+static inline int
+app_link_rss_enabled(struct app_link_params *cp)
+{
+ return (cp->n_rss_qs) ? 1 : 0;
+}
+
+static void
+app_link_rss_setup(struct app_link_params *cp)
+{
+ struct rte_eth_dev_info dev_info;
+ struct rte_eth_rss_reta_entry64 reta_conf[APP_RETA_SIZE_MAX];
+ uint32_t i;
+ int status;
+
+ /* Get RETA size */
+ memset(&dev_info, 0, sizeof(dev_info));
+ rte_eth_dev_info_get(cp->pmd_id, &dev_info);
+
+ if (dev_info.reta_size == 0)
+ rte_panic("%s (%u): RSS setup error (null RETA size)\n",
+ cp->name, cp->pmd_id);
+
+ if (dev_info.reta_size > ETH_RSS_RETA_SIZE_512)
+ rte_panic("%s (%u): RSS setup error (RETA size too big)\n",
+ cp->name, cp->pmd_id);
+
+ /* Setup RETA contents */
+ memset(reta_conf, 0, sizeof(reta_conf));
+
+ for (i = 0; i < dev_info.reta_size; i++)
+ reta_conf[i / RTE_RETA_GROUP_SIZE].mask = UINT64_MAX;
+
+ for (i = 0; i < dev_info.reta_size; i++) {
+ uint32_t reta_id = i / RTE_RETA_GROUP_SIZE;
+ uint32_t reta_pos = i % RTE_RETA_GROUP_SIZE;
+ uint32_t rss_qs_pos = i % cp->n_rss_qs;
+
+ reta_conf[reta_id].reta[reta_pos] =
+ (uint16_t) cp->rss_qs[rss_qs_pos];
+ }
+
+ /* RETA update */
+ status = rte_eth_dev_rss_reta_update(cp->pmd_id,
+ reta_conf,
+ dev_info.reta_size);
+ if (status != 0)
+ rte_panic("%s (%u): RSS setup error (RETA update failed)\n",
+ cp->name, cp->pmd_id);
+}
+
+static void
+app_init_link_set_config(struct app_link_params *p)
+{
+ if (p->n_rss_qs) {
+ p->conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
+ p->conf.rx_adv_conf.rss_conf.rss_hf = p->rss_proto_ipv4 |
+ p->rss_proto_ipv6 |
+ p->rss_proto_l2;
+ }
+}
+