+ memset(&dev_info, 0, sizeof(dev_info));
+ rte_eth_dev_info_get(res->port_id, &dev_info);
+ if (dev_info.hash_key_size > 0 &&
+ dev_info.hash_key_size <= sizeof(hash_key))
+ hash_key_size = dev_info.hash_key_size;
+ else {
+ printf("dev_info did not provide a valid hash key size\n");
+ return;
+ }