From 3a66ee38dcde2e7befcd1563151615644a560072 Mon Sep 17 00:00:00 2001 From: Ido Schimmel Date: Fri, 27 Nov 2015 13:45:55 +0100 Subject: [PATCH] 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: Ido Schimmel Signed-off-by: Jiri Pirko Signed-off-by: David S. Miller --- .../net/ethernet/mellanox/mlxsw/spectrum.c | 24 +++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c index 3be4a2355ead..14a9a9ff89ed 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c @@ -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, -- 2.30.2