ethdev: allow to get RSS hash functions and key

[dpdk.git] / app / test-pmd / config.c

diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c
index 20ad0a8..d12f46c 100644 (file)
--- a/app/test-pmd/config.c
+++ b/app/test-pmd/config.c
@@ -681,6 +681,71 @@ port_rss_reta_info(portid_t port_id,struct rte_eth_rss_reta *reta_conf)
        }
 }
 
+/*
+ * Displays the RSS hash functions of a port, and, optionaly, the RSS hash
+ * key of the port.
+ */
+void
+port_rss_hash_conf_show(portid_t port_id, int show_rss_key)
+{
+       struct rte_eth_rss_conf rss_conf;
+       uint8_t rss_key[10 * 4];
+       uint16_t rss_hf;
+       uint8_t i;
+       int diag;
+
+       if (port_id_is_invalid(port_id))
+               return;
+       /* Get RSS hash key if asked to display it */
+       rss_conf.rss_key = (show_rss_key) ? rss_key : NULL;
+       diag = rte_eth_dev_rss_hash_conf_get(port_id, &rss_conf);
+       if (diag != 0) {
+               switch (diag) {
+               case -ENODEV:
+                       printf("port index %d invalid\n", port_id);
+                       break;
+               case -ENOTSUP:
+                       printf("operation not supported by device\n");
+                       break;
+               default:
+                       printf("operation failed - diag=%d\n", diag);
+                       break;
+               }
+               return;
+       }
+       rss_hf = rss_conf.rss_hf;
+       if (rss_hf == 0) {
+               printf("RSS disabled\n");
+               return;
+       }
+       printf("RSS functions:\n ");
+       if (rss_hf & ETH_RSS_IPV4)
+               printf("ip4");
+       if (rss_hf & ETH_RSS_IPV4_TCP)
+               printf(" tcp4");
+       if (rss_hf & ETH_RSS_IPV4_UDP)
+               printf(" udp4");
+       if (rss_hf & ETH_RSS_IPV6)
+               printf(" ip6");
+       if (rss_hf & ETH_RSS_IPV6_EX)
+               printf(" ip6-ex");
+       if (rss_hf & ETH_RSS_IPV6_TCP)
+               printf(" tcp6");
+       if (rss_hf & ETH_RSS_IPV6_TCP_EX)
+               printf(" tcp6-ex");
+       if (rss_hf & ETH_RSS_IPV6_UDP)
+               printf(" udp6");
+       if (rss_hf & ETH_RSS_IPV6_UDP_EX)
+               printf(" udp6-ex");
+       printf("\n");
+       if (!show_rss_key)
+               return;
+       printf("RSS key:\n");
+       for (i = 0; i < sizeof(rss_key); i++)
+               printf("%02X", rss_key[i]);
+       printf("\n");
+}
+
 /*
  * Setup forwarding configuration for each logical core.
  */