ethdev: fix max Rx packet length

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

diff --git a/examples/ip_reassembly/main.c b/examples/ip_reassembly/main.c
index f513e2f..f1ea3a7 100644 (file)
--- a/examples/ip_reassembly/main.c
+++ b/examples/ip_reassembly/main.c
@@ -161,7 +161,8 @@ static struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
 static struct rte_eth_conf port_conf = {
        .rxmode = {
                .mq_mode        = ETH_MQ_RX_RSS,
-               .max_rx_pkt_len = JUMBO_FRAME_MAX_SIZE,
+               .mtu = JUMBO_FRAME_MAX_SIZE - RTE_ETHER_HDR_LEN -
+                       RTE_ETHER_CRC_LEN,
                .split_hdr_size = 0,
                .offloads = (DEV_RX_OFFLOAD_CHECKSUM |
                             DEV_RX_OFFLOAD_JUMBO_FRAME),
@@ -881,7 +882,8 @@ setup_queue_tbl(struct rx_queue *rxq, uint32_t lcore, uint32_t queue)
 
        /* mbufs stored int the gragment table. 8< */
        nb_mbuf = RTE_MAX(max_flow_num, 2UL * MAX_PKT_BURST) * MAX_FRAG_NUM;
-       nb_mbuf *= (port_conf.rxmode.max_rx_pkt_len + BUF_SIZE - 1) / BUF_SIZE;
+       nb_mbuf *= (port_conf.rxmode.mtu + RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN
+                       + BUF_SIZE - 1) / BUF_SIZE;
        nb_mbuf *= 2; /* ipv4 and ipv6 */
        nb_mbuf += nb_rxd + nb_txd;
 
@@ -1053,9 +1055,9 @@ main(int argc, char **argv)
                                "Error during getting device (port %u) info: %s\n",
                                portid, strerror(-ret));
 
-               local_port_conf.rxmode.max_rx_pkt_len = RTE_MIN(
-                   dev_info.max_rx_pktlen,
-                   local_port_conf.rxmode.max_rx_pkt_len);
+               local_port_conf.rxmode.mtu = RTE_MIN(
+                   dev_info.max_mtu,
+                   local_port_conf.rxmode.mtu);
 
                /* get the lcore_id for this port */
                while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||