ethdev: make default behavior CRC strip on Rx

[dpdk.git] / examples / l3fwd / main.c

diff --git a/examples/l3fwd/main.c b/examples/l3fwd/main.c
index faef9f1..e4b99ef 100644 (file)
--- a/examples/l3fwd/main.c
+++ b/examples/l3fwd/main.c
@@ -120,8 +120,7 @@ static struct rte_eth_conf port_conf = {
                .mq_mode = ETH_MQ_RX_RSS,
                .max_rx_pkt_len = ETHER_MAX_LEN,
                .split_hdr_size = 0,
-               .offloads = (DEV_RX_OFFLOAD_CRC_STRIP |
-                            DEV_RX_OFFLOAD_CHECKSUM),
+               .offloads = DEV_RX_OFFLOAD_CHECKSUM,
        },
        .rx_adv_conf = {
                .rss_conf = {
@@ -860,6 +859,18 @@ main(int argc, char **argv)
                if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
                        local_port_conf.txmode.offloads |=
                                DEV_TX_OFFLOAD_MBUF_FAST_FREE;
+
+               local_port_conf.rx_adv_conf.rss_conf.rss_hf &=
+                       dev_info.flow_type_rss_offloads;
+               if (local_port_conf.rx_adv_conf.rss_conf.rss_hf !=
+                               port_conf.rx_adv_conf.rss_conf.rss_hf) {
+                       printf("Port %u modified RSS hash function based on hardware support,"
+                               "requested:%#"PRIx64" configured:%#"PRIx64"\n",
+                               portid,
+                               port_conf.rx_adv_conf.rss_conf.rss_hf,
+                               local_port_conf.rx_adv_conf.rss_conf.rss_hf);
+               }
+
                ret = rte_eth_dev_configure(portid, nb_rx_queue,
                                        (uint16_t)n_tx_queue, &local_port_conf);
                if (ret < 0)