<div dir="ltr">I pointed where the error is occurring on the code below : <div><div style="color:rgb(204,204,204);background-color:rgb(31,31,31);font-family:"Droid Sans Mono","monospace",monospace;font-weight:normal;font-size:14px;line-height:19px;white-space:pre"><div>#include "../include/flow.h"</div><div>#include <stdio.h></div><div>#include <string.h></div> <div>int flow_filtering(uint16_t port_id, uint32_t ip_addr, uint16_t udp_port) {</div><div> struct rte_flow_error error;</div><div> struct rte_flow_attr attr = { .ingress = 1, .priority = 0 };</div><div> struct rte_flow_item pattern[4];</div><div> struct rte_flow_action action[2];</div><div> struct rte_flow *flow;</div> <div> // Définir le motif Ethernet</div><div> memset(pattern, 0, sizeof(pattern));</div><div> pattern[0].type = RTE_FLOW_ITEM_TYPE_ETH;</div> <div> // Définir le motif IPv4</div><div> struct rte_flow_item_ipv4 ipv4_spec = { .hdr.dst_addr = RTE_BE32(ip_addr) };</div><div> struct rte_flow_item_ipv4 ipv4_mask = { .hdr.dst_addr = RTE_BE32(0xFFFFFFFF) };</div><div> pattern[1].type = RTE_FLOW_ITEM_TYPE_IPV4;</div><div> pattern[1].spec = &ipv4_spec;</div><div> pattern[1].mask = &ipv4_mask;</div> <div> // Définir le motif UDP</div><div> struct rte_flow_item_udp udp_spec = { .hdr.dst_port = RTE_BE16(udp_port) };</div><div> struct rte_flow_item_udp udp_mask = { .hdr.dst_port = RTE_BE16(0xFFFF) };</div><div> pattern[2].type = RTE_FLOW_ITEM_TYPE_UDP;</div><div> pattern[2].spec = &udp_spec;</div><div> pattern[2].mask = &udp_mask;</div> <div> // Terminer le motif</div><div> pattern[3].type = RTE_FLOW_ITEM_TYPE_END;</div> <div> // Définir l'action</div><div> action[0].type = RTE_FLOW_ACTION_TYPE_QUEUE;</div><div> struct rte_flow_action_queue queue_action = { .index = 0 };</div><div> action[0].conf = &queue_action;</div><div> action[1].type = RTE_FLOW_ACTION_TYPE_END;</div> <div> // Créer la règle de flux</div><div> flow = rte_flow_create(port_id, &attr, pattern, action, &error);</div><div> if (!flow) {</div><div> printf("Erreur lors de la création de la règle de flux : %s\n", error.message);</div><div> return -1;</div><div> }</div> <div> printf("Règle de flux créée avec succès pour IP %u.%u.%u.%u et port UDP %u\n",</div><div> (ip_addr >> 24) & 0xFF, (ip_addr >> 16) & 0xFF,</div><div> (ip_addr >> 8) & 0xFF, ip_addr & 0xFF, udp_port);</div> <div> return 0;</div><div>}</div> <div>int create_drop_all_rule(uint16_t port_id) {</div><div> struct rte_flow_attr attr = { .ingress = 1, .priority = 1};</div><div> struct rte_flow_item pattern[2];</div><div> struct rte_flow_action actions[2];</div><div> struct rte_flow *flow;</div><div> struct rte_flow_error error;</div> <div> pattern[0].type = RTE_FLOW_ITEM_TYPE_ETH;</div><div> pattern[1].type = RTE_FLOW_ITEM_TYPE_END;</div> <div> actions[0].type = RTE_FLOW_ACTION_TYPE_DROP;</div><div> actions[1].type = RTE_FLOW_ACTION_TYPE_END;</div> <div> if (!rte_flow_validate(port_id, &attr, pattern, actions, &error)){</div><div> flow = rte_flow_create(port_id, &attr, pattern, actions, &error);</div><div> }</div> <div> if (flow != 0) { // Its happening Here <--- !!! ---></div><div> printf("Erreur création règle DROP: %s (Type: %d, Cause: %p)\n", </div><div> error.message, error.type, error.cause);</div><div> return -1;</div><div> }</div> <div> printf("Default drop rule created successfully.\n");</div><div> return 0;</div><div>}</div></div></div><div> </div><div>Here is what it returns : <blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">EAL: Detected CPU lcores: 6 EAL: Detected NUMA nodes: 1 EAL: Detected shared linkage of DPDK EAL: Multi-process socket /var/run/dpdk/rte/mp_socket EAL: Selected IOVA mode 'VA' EAL: VFIO support initialized EAL: Using IOMMU type 1 (Type 1) Port 0 initialisé avec succès Capacités de la NIC (port 0): - Groupes supportés : 232756 - Actions supportées : 9a69f Règle de flux créée avec succès pour IP 10.81.16.111 et port UDP 1234 Erreur création règle DROP: Not supported action. (Type: 16, Cause: 0x7ffe87ef63e0) EAL: Error - exiting with code: 1 Erreur création règle drop-all </blockquote></div></div> <div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">Le lun. 3 févr. 2025 à 16:00, Dmitry Kozlyuk <<a href="mailto:dmitry.kozliuk@gmail.com">dmitry.kozliuk@gmail.com</a>> a écrit : </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">2025-02-03 14:51 (UTC+0100), Sid ali cherrati: > [...] > if (!rte_flow_validate(port_id, &attr, pattern, actions, &error)){ > flow = rte_flow_create(port_id, &attr, pattern, actions, &error); > } > > if(flow != 0){ > printf("Filed to create drop flow filter \n"); > return -1; > } > [...] > The issue is that when I implement this, I get an error on the drop filter: > "Failed to create rule." Do you have any idea why this might be happening? There is no this exact error text in your code or DPDK, I assume we're talking about the quoted fragment. `flow` is a pointer, the correct error condition is `if (flow == NULL)`, so your code probably misinterprets success as error. Also `flow` is not assigned if `rte_flow_validate()` returns non-0. </blockquote></div>