ethdev: fix max Rx packet length

[dpdk.git] / drivers / net / octeontx2 / otx2_ethdev_ops.c

diff --git a/drivers/net/octeontx2/otx2_ethdev_ops.c b/drivers/net/octeontx2/otx2_ethdev_ops.c
index 3a763f6..3c591c8 100644 (file)
--- a/drivers/net/octeontx2/otx2_ethdev_ops.c
+++ b/drivers/net/octeontx2/otx2_ethdev_ops.c
@@ -59,14 +59,11 @@ otx2_nix_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
        if (rc)
                return rc;
 
-       if (frame_size > NIX_L2_MAX_LEN)
+       if (mtu > RTE_ETHER_MTU)
                dev->rx_offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
        else
                dev->rx_offloads &= ~DEV_RX_OFFLOAD_JUMBO_FRAME;
 
-       /* Update max_rx_pkt_len */
-       data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
-
        return rc;
 }
 
@@ -75,7 +72,6 @@ otx2_nix_recalc_mtu(struct rte_eth_dev *eth_dev)
 {
        struct rte_eth_dev_data *data = eth_dev->data;
        struct otx2_eth_rxq *rxq;
-       uint16_t mtu;
        int rc;
 
        rxq = data->rx_queues[0];
@@ -83,10 +79,7 @@ otx2_nix_recalc_mtu(struct rte_eth_dev *eth_dev)
        /* Setup scatter mode if needed by jumbo */
        otx2_nix_enable_mseg_on_jumbo(rxq);
 
-       /* Setup MTU based on max_rx_pkt_len */
-       mtu = data->dev_conf.rxmode.max_rx_pkt_len - NIX_L2_OVERHEAD;
-
-       rc = otx2_nix_mtu_set(eth_dev, mtu);
+       rc = otx2_nix_mtu_set(eth_dev, data->mtu);
        if (rc)
                otx2_err("Failed to set default MTU size %d", rc);