ethdev: fix max Rx packet length

[dpdk.git] / drivers / net / qede / qede_ethdev.c

diff --git a/drivers/net/qede/qede_ethdev.c b/drivers/net/qede/qede_ethdev.c
index fd8c62a..a1cf913 100644 (file)
--- a/drivers/net/qede/qede_ethdev.c
+++ b/drivers/net/qede/qede_ethdev.c
@@ -1312,12 +1312,6 @@ static int qede_dev_configure(struct rte_eth_dev *eth_dev)
                        return -ENOMEM;
        }
 
-       /* If jumbo enabled adjust MTU */
-       if (rxmode->offloads & DEV_RX_OFFLOAD_JUMBO_FRAME)
-               eth_dev->data->mtu =
-                       eth_dev->data->dev_conf.rxmode.max_rx_pkt_len -
-                       RTE_ETHER_HDR_LEN - QEDE_ETH_OVERHEAD;
-
        if (rxmode->offloads & DEV_RX_OFFLOAD_SCATTER)
                eth_dev->data->scattered_rx = 1;
 
@@ -2315,7 +2309,6 @@ static int qede_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
        struct ecore_dev *edev = QEDE_INIT_EDEV(qdev);
        struct rte_eth_dev_info dev_info = {0};
        struct qede_fastpath *fp;
-       uint32_t max_rx_pkt_len;
        uint32_t frame_size;
        uint16_t bufsz;
        bool restart = false;
@@ -2327,8 +2320,8 @@ static int qede_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
                DP_ERR(edev, "Error during getting ethernet device info\n");
                return rc;
        }
-       max_rx_pkt_len = mtu + QEDE_MAX_ETHER_HDR_LEN;
-       frame_size = max_rx_pkt_len;
+
+       frame_size = mtu + QEDE_MAX_ETHER_HDR_LEN;
        if (mtu < RTE_ETHER_MIN_MTU || frame_size > dev_info.max_rx_pktlen) {
                DP_ERR(edev, "MTU %u out of range, %u is maximum allowable\n",
                       mtu, dev_info.max_rx_pktlen - RTE_ETHER_HDR_LEN -
@@ -2368,7 +2361,7 @@ static int qede_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
                        fp->rxq->rx_buf_size = rc;
                }
        }
-       if (frame_size > QEDE_ETH_MAX_LEN)
+       if (mtu > RTE_ETHER_MTU)
                dev->data->dev_conf.rxmode.offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
        else
                dev->data->dev_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_JUMBO_FRAME;
@@ -2378,9 +2371,6 @@ static int qede_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
                dev->data->dev_started = 1;
        }
 
-       /* update max frame size */
-       dev->data->dev_conf.rxmode.max_rx_pkt_len = max_rx_pkt_len;
-
        return 0;
 }