diff --git a/Documentation/devicetree/bindings/net/marvell-armada-370-neta.txt b/Documentation/devicetree/bindings/net/marvell-armada-370-neta.txt index 750d577e8083ee3f96c8bf823c986c162d4ac5b3..f5a8ca29aff06e84d49e3c75caf125b35c660055 100644 --- a/Documentation/devicetree/bindings/net/marvell-armada-370-neta.txt +++ b/Documentation/devicetree/bindings/net/marvell-armada-370-neta.txt @@ -1,7 +1,7 @@ * Marvell Armada 370 / Armada XP Ethernet Controller (NETA) Required properties: -- compatible: should be "marvell,armada-370-neta". +- compatible: "marvell,armada-370-neta" or "marvell,armada-xp-neta". - reg: address and length of the register set for the device. - interrupts: interrupt for the device - phy: See ethernet.txt file in the same directory. diff --git a/arch/arm/boot/dts/armada-370-xp.dtsi b/arch/arm/boot/dts/armada-370-xp.dtsi index ec96f0b3634653a5976739688eca9fd791eaba0b..06a2f2ae9d1e4005acae33283dd18fd6a855d4e2 100644 --- a/arch/arm/boot/dts/armada-370-xp.dtsi +++ b/arch/arm/boot/dts/armada-370-xp.dtsi @@ -270,7 +270,6 @@ }; eth0: ethernet@70000 { - compatible = "marvell,armada-370-neta"; reg = <0x70000 0x4000>; interrupts = <8>; clocks = <&gateclk 4>; @@ -286,7 +285,6 @@ }; eth1: ethernet@74000 { - compatible = "marvell,armada-370-neta"; reg = <0x74000 0x4000>; interrupts = <10>; clocks = <&gateclk 3>; diff --git a/arch/arm/boot/dts/armada-370.dtsi b/arch/arm/boot/dts/armada-370.dtsi index 00b50db57c9c0f7ab4111bbdba06d3fd0bdc93ad..ca4257b2f77dc3c64eee76acf5dff63a33978bcb 100644 --- a/arch/arm/boot/dts/armada-370.dtsi +++ b/arch/arm/boot/dts/armada-370.dtsi @@ -307,6 +307,14 @@ dmacap,memset; }; }; + + ethernet@70000 { + compatible = "marvell,armada-370-neta"; + }; + + ethernet@74000 { + compatible = "marvell,armada-370-neta"; + }; }; }; }; diff --git a/arch/arm/boot/dts/armada-xp-mv78260.dtsi b/arch/arm/boot/dts/armada-xp-mv78260.dtsi index 8479fdc9e9c2468e072c3592528a263610c2acc1..c5fdc99f0dbebb47f88e135a4013fdfb9d732772 100644 --- a/arch/arm/boot/dts/armada-xp-mv78260.dtsi +++ b/arch/arm/boot/dts/armada-xp-mv78260.dtsi @@ -318,7 +318,7 @@ }; eth3: ethernet@34000 { - compatible = "marvell,armada-370-neta"; + compatible = "marvell,armada-xp-neta"; reg = <0x34000 0x4000>; interrupts = <14>; clocks = <&gateclk 1>; diff --git a/arch/arm/boot/dts/armada-xp-mv78460.dtsi b/arch/arm/boot/dts/armada-xp-mv78460.dtsi index 661d54c815802d1bb1d2e1fa31cb255d90caf12e..0e24f1a38540e30ccc257972537c8982074f4c75 100644 --- a/arch/arm/boot/dts/armada-xp-mv78460.dtsi +++ b/arch/arm/boot/dts/armada-xp-mv78460.dtsi @@ -356,7 +356,7 @@ }; eth3: ethernet@34000 { - compatible = "marvell,armada-370-neta"; + compatible = "marvell,armada-xp-neta"; reg = <0x34000 0x4000>; interrupts = <14>; clocks = <&gateclk 1>; diff --git a/arch/arm/boot/dts/armada-xp.dtsi b/arch/arm/boot/dts/armada-xp.dtsi index 013d63f69e361e60bbe96466bec1883388155889..8fdd6d7c0ab12c3aa08697ade1a87518565cefc9 100644 --- a/arch/arm/boot/dts/armada-xp.dtsi +++ b/arch/arm/boot/dts/armada-xp.dtsi @@ -177,7 +177,7 @@ }; eth2: ethernet@30000 { - compatible = "marvell,armada-370-neta"; + compatible = "marvell,armada-xp-neta"; reg = <0x30000 0x4000>; interrupts = <12>; clocks = <&gateclk 2>; @@ -220,6 +220,14 @@ }; }; + ethernet@70000 { + compatible = "marvell,armada-xp-neta"; + }; + + ethernet@74000 { + compatible = "marvell,armada-xp-neta"; + }; + xor@f0900 { compatible = "marvell,orion-xor"; reg = <0xF0900 0x100 diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index 5bdf78231a4e78f09c360e4a2e5c0c7c5f82482b..370e20ed224c5c76eaca92954be5800d09d81ada 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -310,6 +310,7 @@ struct mvneta_port { unsigned int link; unsigned int duplex; unsigned int speed; + unsigned int tx_csum_limit; int use_inband_status:1; }; @@ -2508,8 +2509,10 @@ static int mvneta_change_mtu(struct net_device *dev, int mtu) dev->mtu = mtu; - if (!netif_running(dev)) + if (!netif_running(dev)) { + netdev_update_features(dev); return 0; + } /* The interface is running, so we have to force a * reallocation of the queues @@ -2538,9 +2541,26 @@ static int mvneta_change_mtu(struct net_device *dev, int mtu) mvneta_start_dev(pp); mvneta_port_up(pp); + netdev_update_features(dev); + return 0; } +static netdev_features_t mvneta_fix_features(struct net_device *dev, + netdev_features_t features) +{ + struct mvneta_port *pp = netdev_priv(dev); + + if (pp->tx_csum_limit && dev->mtu > pp->tx_csum_limit) { + features &= ~(NETIF_F_IP_CSUM | NETIF_F_TSO); + netdev_info(dev, + "Disable IP checksum for MTU greater than %dB\n", + pp->tx_csum_limit); + } + + return features; +} + /* Get mac address */ static void mvneta_get_mac_addr(struct mvneta_port *pp, unsigned char *addr) { @@ -2862,6 +2882,7 @@ static const struct net_device_ops mvneta_netdev_ops = { .ndo_set_rx_mode = mvneta_set_rx_mode, .ndo_set_mac_address = mvneta_set_mac_addr, .ndo_change_mtu = mvneta_change_mtu, + .ndo_fix_features = mvneta_fix_features, .ndo_get_stats64 = mvneta_get_stats64, .ndo_do_ioctl = mvneta_ioctl, }; @@ -3107,6 +3128,9 @@ static int mvneta_probe(struct platform_device *pdev) } } + if (of_device_is_compatible(dn, "marvell,armada-370-neta")) + pp->tx_csum_limit = 1600; + pp->tx_ring_size = MVNETA_MAX_TXD; pp->rx_ring_size = MVNETA_MAX_RXD; @@ -3185,6 +3209,7 @@ static int mvneta_remove(struct platform_device *pdev) static const struct of_device_id mvneta_match[] = { { .compatible = "marvell,armada-370-neta" }, + { .compatible = "marvell,armada-xp-neta" }, { } }; MODULE_DEVICE_TABLE(of, mvneta_match);