mlxsw: spectrum: Introduce support for Data Center Bridging (DCB)
Introduce basic infrastructure for DCB and add the missing ops in
following patches.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
index 1243c74..baaa9ea 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
@@ -1681,6 +1681,14 @@
goto err_port_ets_init;
}
+ /* ETS and buffers must be initialized before DCB. */
+ err = mlxsw_sp_port_dcb_init(mlxsw_sp_port);
+ if (err) {
+ dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize DCB\n",
+ mlxsw_sp_port->local_port);
+ goto err_port_dcb_init;
+ }
+
mlxsw_sp_port_switchdev_init(mlxsw_sp_port);
err = register_netdev(dev);
if (err) {
@@ -1701,6 +1709,7 @@
err_port_vlan_init:
unregister_netdev(dev);
err_register_netdev:
+err_port_dcb_init:
err_port_ets_init:
err_port_buffers_init:
err_port_admin_status_set:
@@ -1771,6 +1780,7 @@
devlink_port = &mlxsw_sp_port->devlink_port;
devlink_port_type_clear(devlink_port);
unregister_netdev(mlxsw_sp_port->dev); /* This calls ndo_stop */
+ mlxsw_sp_port_dcb_fini(mlxsw_sp_port);
devlink_port_unregister(devlink_port);
mlxsw_sp_port_vports_fini(mlxsw_sp_port);
mlxsw_sp_port_switchdev_fini(mlxsw_sp_port);