[OpenWrt-Devel] [PATCH] ramips: mt7621: add support for disabling flow control

[John Crispin]

should this not be part of ethtool ? swconfig is aimed at setting switch
configs and not the config of the attached phys. imho ethtool can
already do this with the existing code

	John

On 05/04/2016 16:22, Cristian Morales Vega wrote:
> Signed-off-by: Cristian Morales Vega <cristian at samknows.com>
> ---
>  ...diatek-add-swconfig-driver-for-gsw_mt762x.patch | 54 +++++++++++++++++++++-
>  1 file changed, 53 insertions(+), 1 deletion(-)
> 
> diff --git a/target/linux/ramips/patches-4.4/0513-net-mediatek-add-swconfig-driver-for-gsw_mt762x.patch b/target/linux/ramips/patches-4.4/0513-net-mediatek-add-swconfig-driver-for-gsw_mt762x.patch
> index bbad8cc..d056551 100644
> --- a/target/linux/ramips/patches-4.4/0513-net-mediatek-add-swconfig-driver-for-gsw_mt762x.patch
> +++ b/target/linux/ramips/patches-4.4/0513-net-mediatek-add-swconfig-driver-for-gsw_mt762x.patch
> @@ -28,7 +28,7 @@ Signed-off-by: John Crispin <blogic at openwrt.org>
>   obj-$(CONFIG_NET_MEDIATEK_SOC)			+= mtk-eth-soc.o
>  --- /dev/null
>  +++ b/drivers/net/ethernet/mediatek/mt7530.c
> -@@ -0,0 +1,804 @@
> +@@ -0,0 +1,856 @@
>  +/*
>  + * This program is free software; you can redistribute it and/or
>  + * modify it under the terms of the GNU General Public License
> @@ -709,6 +709,50 @@ Signed-off-by: John Crispin <blogic at openwrt.org>
>  +	return 0;
>  +}
>  +
> ++static int mt7621_sw_get_port_fc(struct switch_dev *dev,
> ++				 const struct switch_attr *attr,
> ++				 struct switch_val *val)
> ++{
> ++	u32 reg;
> ++	struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
> ++
> ++	if (val->port_vlan >= MT7530_NUM_PORTS)
> ++		return -EINVAL;
> ++
> ++	reg = mdiobus_read(priv->bus, val->port_vlan, 4);
> ++	reg &= BIT(10);
> ++
> ++	val->value.i = reg ? 1 : 0;
> ++
> ++	return 0;
> ++}
> ++
> ++static int mt7621_sw_set_port_fc(struct switch_dev *dev,
> ++				 const struct switch_attr *attr,
> ++				 struct switch_val *val)
> ++{
> ++	u32 reg;
> ++	struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
> ++
> ++	if (val->port_vlan >= MT7530_NUM_PORTS)
> ++		return -EINVAL;
> ++
> ++	reg = mdiobus_read(priv->bus, val->port_vlan, 4);
> ++	if(val->value.i) {
> ++		reg |= BIT(10);
> ++	} else {
> ++		reg &= ~BIT(10);
> ++	}
> ++	mdiobus_write(priv->bus, val->port_vlan, 4, reg);
> ++
> ++	/* Restart auto-negotiation */
> ++	reg = mdiobus_read(priv->bus, val->port_vlan, 0);
> ++	reg |= BIT(9);
> ++	mdiobus_write(priv->bus, val->port_vlan, 0, reg);
> ++
> ++	return 0;
> ++}
> ++
>  +static const struct switch_attr mt7621_port[] = {
>  +	{
>  +		.type = SWITCH_TYPE_STRING,
> @@ -717,6 +761,14 @@ Signed-off-by: John Crispin <blogic at openwrt.org>
>  +		.get = mt7621_sw_get_port_mib,
>  +		.set = NULL,
>  +	},
> ++	{
> ++		.type = SWITCH_TYPE_INT,
> ++		.name = "flow_ctl",
> ++		.description = "Flow Control",
> ++		.get = mt7621_sw_get_port_fc,
> ++		.set = mt7621_sw_set_port_fc,
> ++		.max = 1,
> ++	},
>  +};
>  +
>  +static const struct switch_attr mt7530_port[] = {
> 
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