X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=examples%2Fipv4_multicast%2Fmain.c;fp=examples%2Fipv4_multicast%2Fmain.c;h=96a4ab6e7ce1bffbdcd23ba29264329d4a5fd80c;hb=7595afa4d30097c1177b69257118d8ad89a539be;hp=708d76e9af6dc3790b6ed68f0174da9a8bbf0e64;hpb=ce3d555e43e3795b5d9507fcfc76b7a0a92fd0d6;p=deb_dpdk.git

diff --git a/examples/ipv4_multicast/main.c b/examples/ipv4_multicast/main.c
index 708d76e9..96a4ab6e 100644
--- a/examples/ipv4_multicast/main.c
+++ b/examples/ipv4_multicast/main.c
@@ -137,7 +137,7 @@ struct lcore_queue_conf {
 } __rte_cache_aligned;
 static struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
 
-static const struct rte_eth_conf port_conf = {
+static struct rte_eth_conf port_conf = {
 	.rxmode = {
 		.max_rx_pkt_len = JUMBO_FRAME_MAX_SIZE,
 		.split_hdr_size = 0,
@@ -145,7 +145,7 @@ static const struct rte_eth_conf port_conf = {
 		.hw_ip_checksum = 0, /**< IP checksum offload disabled */
 		.hw_vlan_filter = 0, /**< VLAN filtering disabled */
 		.jumbo_frame    = 1, /**< Jumbo Frame Support enabled */
-		.hw_strip_crc   = 0, /**< CRC stripped by hardware */
+		.hw_strip_crc   = 1, /**< CRC stripped by hardware */
 	},
 	.txmode = {
 		.mq_mode = ETH_MQ_TX_NONE,
@@ -575,7 +575,7 @@ parse_args(int argc, char **argv)
 		argv[optind-1] = prgname;
 
 	ret = optind-1;
-	optind = 0; /* reset getopt lib */
+	optind = 1; /* reset getopt lib */
 	return ret;
 }
 
@@ -725,6 +725,11 @@ main(int argc, char **argv)
 
 		qconf = &lcore_queue_conf[rx_lcore_id];
 
+		/* limit the frame size to the maximum supported by NIC */
+		rte_eth_dev_info_get(portid, &dev_info);
+		port_conf.rxmode.max_rx_pkt_len = RTE_MIN(
+		    dev_info.max_rx_pktlen, port_conf.rxmode.max_rx_pkt_len);
+
 		/* get the lcore_id for this port */
 		while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
 		       qconf->n_rx_queue == (unsigned)rx_queue_per_lcore) {
@@ -777,7 +782,6 @@ main(int argc, char **argv)
 			printf("txq=%u,%hu ", lcore_id, queueid);
 			fflush(stdout);
 
-			rte_eth_dev_info_get(portid, &dev_info);
 			txconf = &dev_info.default_txconf;
 			txconf->txq_flags = 0;
 			ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,