examples: fix RSS hash function configuration

[dpdk.git] / examples / multi_process / symmetric_mp / main.c

diff --git a/examples/multi_process/symmetric_mp/main.c b/examples/multi_process/symmetric_mp/main.c
index c363269..c6c6a53 100644 (file)
--- a/examples/multi_process/symmetric_mp/main.c
+++ b/examples/multi_process/symmetric_mp/main.c
@@ -199,6 +199,7 @@ smp_port_init(uint16_t port, struct rte_mempool *mbuf_pool,
        uint16_t q;
        uint16_t nb_rxd = RX_RING_SIZE;
        uint16_t nb_txd = TX_RING_SIZE;
+       uint64_t rss_hf_tmp;
 
        if (rte_eal_process_type() == RTE_PROC_SECONDARY)
                return 0;
@@ -215,6 +216,17 @@ smp_port_init(uint16_t port, struct rte_mempool *mbuf_pool,
        if (info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
                port_conf.txmode.offloads |=
                        DEV_TX_OFFLOAD_MBUF_FAST_FREE;
+
+       rss_hf_tmp = port_conf.rx_adv_conf.rss_conf.rss_hf;
+       port_conf.rx_adv_conf.rss_conf.rss_hf &= info.flow_type_rss_offloads;
+       if (port_conf.rx_adv_conf.rss_conf.rss_hf != rss_hf_tmp) {
+               printf("Port %u modified RSS hash function based on hardware support,"
+                       "requested:%#"PRIx64" configured:%#"PRIx64"\n",
+                       port,
+                       rss_hf_tmp,
+                       port_conf.rx_adv_conf.rss_conf.rss_hf);
+       }
+
        retval = rte_eth_dev_configure(port, rx_rings, tx_rings, &port_conf);
        if (retval < 0)
                return retval;