diff --git a/drivers/net/ethernet/cavium/liquidio/lio_main.c b/drivers/net/ethernet/cavium/liquidio/lio_main.c index afc6f9dc8119630bae6ad8877443f98b2f5e74da..71d01a77896d427cc0faa12af5eba24562eeffb9 100644 --- a/drivers/net/ethernet/cavium/liquidio/lio_main.c +++ b/drivers/net/ethernet/cavium/liquidio/lio_main.c @@ -2868,17 +2868,6 @@ static int liquidio_change_mtu(struct net_device *netdev, int new_mtu) struct octnic_ctrl_pkt nctrl; int ret = 0; - /* Limit the MTU to make sure the ethernet packets are between 68 bytes - * and 16000 bytes - */ - if ((new_mtu < LIO_MIN_MTU_SIZE) || - (new_mtu > LIO_MAX_MTU_SIZE)) { - dev_err(&oct->pci_dev->dev, "Invalid MTU: %d\n", new_mtu); - dev_err(&oct->pci_dev->dev, "Valid range %d and %d\n", - LIO_MIN_MTU_SIZE, LIO_MAX_MTU_SIZE); - return -EINVAL; - } - memset(&nctrl, 0, sizeof(struct octnic_ctrl_pkt)); nctrl.ncmd.u64 = 0; @@ -3891,6 +3880,10 @@ static int setup_nic_devices(struct octeon_device *octeon_dev) netdev->hw_features = netdev->hw_features & ~NETIF_F_HW_VLAN_CTAG_RX; + /* MTU range: 68 - 16000 */ + netdev->min_mtu = LIO_MIN_MTU_SIZE; + netdev->max_mtu = LIO_MAX_MTU_SIZE; + /* Point to the properties for octeon device to which this * interface belongs. */ diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_network.h b/drivers/net/ethernet/cavium/liquidio/octeon_network.h index e5d1debd05add28a0a91e8880db929cb2e7a19db..54b9665963235b0631cf3d87f0c5264e9685e101 100644 --- a/drivers/net/ethernet/cavium/liquidio/octeon_network.h +++ b/drivers/net/ethernet/cavium/liquidio/octeon_network.h @@ -29,7 +29,7 @@ #include #define LIO_MAX_MTU_SIZE (OCTNET_MAX_FRM_SIZE - OCTNET_FRM_HEADER_SIZE) -#define LIO_MIN_MTU_SIZE 68 +#define LIO_MIN_MTU_SIZE ETH_MIN_MTU struct oct_nic_stats_resp { u64 rh; diff --git a/drivers/net/ethernet/cavium/octeon/octeon_mgmt.c b/drivers/net/ethernet/cavium/octeon/octeon_mgmt.c index 4ab404f45b215820245ed9f9ad478c7c3961d752..16e12c45904be6d4a24b858d5f4265a78adbc3d9 100644 --- a/drivers/net/ethernet/cavium/octeon/octeon_mgmt.c +++ b/drivers/net/ethernet/cavium/octeon/octeon_mgmt.c @@ -645,16 +645,6 @@ static int octeon_mgmt_change_mtu(struct net_device *netdev, int new_mtu) struct octeon_mgmt *p = netdev_priv(netdev); int size_without_fcs = new_mtu + OCTEON_MGMT_RX_HEADROOM; - /* Limit the MTU to make sure the ethernet packets are between - * 64 bytes and 16383 bytes. - */ - if (size_without_fcs < 64 || size_without_fcs > 16383) { - dev_warn(p->dev, "MTU must be between %d and %d.\n", - 64 - OCTEON_MGMT_RX_HEADROOM, - 16383 - OCTEON_MGMT_RX_HEADROOM); - return -EINVAL; - } - netdev->mtu = new_mtu; cvmx_write_csr(p->agl + AGL_GMX_RX_FRM_MAX, size_without_fcs); @@ -1491,6 +1481,9 @@ static int octeon_mgmt_probe(struct platform_device *pdev) netdev->netdev_ops = &octeon_mgmt_ops; netdev->ethtool_ops = &octeon_mgmt_ethtool_ops; + netdev->min_mtu = 64 - OCTEON_MGMT_RX_HEADROOM; + netdev->max_mtu = 16383 - OCTEON_MGMT_RX_HEADROOM; + mac = of_get_mac_address(pdev->dev.of_node); if (mac) diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_main.c b/drivers/net/ethernet/cavium/thunder/nicvf_main.c index 45a13f718863f33a6ccc7f14a37f2f2fc117be84..b192712c93b7bd6bf39b1dd5cf394fbaba8da62b 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_main.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_main.c @@ -1312,12 +1312,6 @@ static int nicvf_change_mtu(struct net_device *netdev, int new_mtu) { struct nicvf *nic = netdev_priv(netdev); - if (new_mtu > NIC_HW_MAX_FRS) - return -EINVAL; - - if (new_mtu < NIC_HW_MIN_FRS) - return -EINVAL; - if (nicvf_update_hw_max_frs(nic, new_mtu)) return -EINVAL; netdev->mtu = new_mtu; @@ -1630,6 +1624,10 @@ static int nicvf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) netdev->netdev_ops = &nicvf_netdev_ops; netdev->watchdog_timeo = NICVF_TX_TIMEOUT; + /* MTU range: 64 - 9200 */ + netdev->min_mtu = NIC_HW_MIN_FRS; + netdev->max_mtu = NIC_HW_MAX_FRS; + INIT_WORK(&nic->reset_task, nicvf_reset_task); err = register_netdev(netdev);