net/mlx: enhance Rx scatter mode detection

[dpdk.git] / drivers / net / mlx5 / mlx5_ethdev.c

diff --git a/drivers/net/mlx5/mlx5_ethdev.c b/drivers/net/mlx5/mlx5_ethdev.c
index dd5fe5c..766fb72 100644 (file)
--- a/drivers/net/mlx5/mlx5_ethdev.c
+++ b/drivers/net/mlx5/mlx5_ethdev.c
@@ -995,7 +995,6 @@ recover:
                struct rxq *rxq = (*priv->rxqs)[i];
                struct rxq_ctrl *rxq_ctrl =
                        container_of(rxq, struct rxq_ctrl, rxq);
-               int sp;
                unsigned int mb_len;
                unsigned int tmp;
 
@@ -1003,10 +1002,9 @@ recover:
                        continue;
                mb_len = rte_pktmbuf_data_room_size(rxq->mp);
                assert(mb_len >= RTE_PKTMBUF_HEADROOM);
-               /* Toggle scattered support (sp) if necessary. */
-               sp = (max_frame_len > (mb_len - RTE_PKTMBUF_HEADROOM));
                /* Provide new values to rxq_setup(). */
-               dev->data->dev_conf.rxmode.jumbo_frame = sp;
+               dev->data->dev_conf.rxmode.jumbo_frame =
+                       (max_frame_len > ETHER_MAX_LEN);
                dev->data->dev_conf.rxmode.max_rx_pkt_len = max_frame_len;
                if (rehash)
                        ret = rxq_rehash(dev, rxq_ctrl);