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Commit 3a66ee38 authored by Ido Schimmel's avatar Ido Schimmel Committed by David S. Miller
Browse files

mlxsw: spectrum: Add support for port identification 



Allow a user to flash the port's LED in order to identify it. This is
achieved by setting the Management LED Control Register (MLCR).

Signed-off-by: default avatarIdo Schimmel <idosch@mellanox.com>
Signed-off-by: default avatarJiri Pirko <jiri@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 3161c159

drivers/net/ethernet/mellanox/mlxsw/spectrum.c

+24 −0
Original line number Diff line number Diff line
@@ -859,6 +859,29 @@ static void mlxsw_sp_port_get_strings(struct net_device *dev, 
	}

}



static int mlxsw_sp_port_set_phys_id(struct net_device *dev,

				     enum ethtool_phys_id_state state)

{

	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);

	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;

	char mlcr_pl[MLXSW_REG_MLCR_LEN];

	bool active;



	switch (state) {

	case ETHTOOL_ID_ACTIVE:

		active = true;

		break;

	case ETHTOOL_ID_INACTIVE:

		active = false;

		break;

	default:

		return -EOPNOTSUPP;

	}



	mlxsw_reg_mlcr_pack(mlcr_pl, mlxsw_sp_port->local_port, active);

	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mlcr), mlcr_pl);

}



static void mlxsw_sp_port_get_stats(struct net_device *dev,

				    struct ethtool_stats *stats, u64 *data)

{
@@ -1205,6 +1228,7 @@ static const struct ethtool_ops mlxsw_sp_port_ethtool_ops = { 
	.get_drvinfo		= mlxsw_sp_port_get_drvinfo,

	.get_link		= ethtool_op_get_link,

	.get_strings		= mlxsw_sp_port_get_strings,

	.set_phys_id		= mlxsw_sp_port_set_phys_id,

	.get_ethtool_stats	= mlxsw_sp_port_get_stats,

	.get_sset_count		= mlxsw_sp_port_get_sset_count,

	.get_settings		= mlxsw_sp_port_get_settings,