+/**
+ * Check whether a given flow type is allowed.
+ *
+ * @param priv
+ * Pointer to private structure.
+ * @param type
+ * Flow type to check.
+ *
+ * @return
+ * Nonzero if the given flow type is allowed.
+ */
+int
+priv_allow_flow_type(struct priv *priv, enum hash_rxq_flow_type type)
+{
+ /* Only FLOW_TYPE_PROMISC is allowed when promiscuous mode
+ * has been requested. */
+ if (priv->promisc_req)
+ return type == HASH_RXQ_FLOW_TYPE_PROMISC;
+ switch (type) {
+ case HASH_RXQ_FLOW_TYPE_PROMISC:
+ return !!priv->promisc_req;
+ case HASH_RXQ_FLOW_TYPE_ALLMULTI:
+ return !!priv->allmulti_req;
+ case HASH_RXQ_FLOW_TYPE_BROADCAST:
+#ifdef HAVE_FLOW_SPEC_IPV6
+ case HASH_RXQ_FLOW_TYPE_IPV6MULTI:
+#endif /* HAVE_FLOW_SPEC_IPV6 */
+ /* If allmulti is enabled, broadcast and ipv6multi
+ * are unnecessary. */
+ return !priv->allmulti_req;
+ case HASH_RXQ_FLOW_TYPE_MAC:
+ return 1;
+ default:
+ /* Unsupported flow type is not allowed. */
+ return 0;
+ }
+ return 0;
+}
+
+/**
+ * Automatically enable/disable flows according to configuration.
+ *
+ * @param priv
+ * Private structure.
+ *
+ * @return
+ * 0 on success, errno value on failure.
+ */
+int
+priv_rehash_flows(struct priv *priv)
+{
+ unsigned int i;
+
+ for (i = 0; (i != RTE_DIM((*priv->hash_rxqs)[0].special_flow)); ++i)
+ if (!priv_allow_flow_type(priv, i)) {
+ priv_special_flow_disable(priv, i);
+ } else {
+ int ret = priv_special_flow_enable(priv, i);
+
+ if (ret)
+ return ret;
+ }
+ if (priv_allow_flow_type(priv, HASH_RXQ_FLOW_TYPE_MAC))
+ return priv_mac_addrs_enable(priv);
+ priv_mac_addrs_disable(priv);
+ return 0;
+}
+