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mlxsw: spectrum: Add debug prints 

For debug purposes, it's useful to know the order in which the driver
responds to changes in the topology of its upper devices.

Add debug prints to signal these events.

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>
This commit is contained in:
Ido Schimmel 2016-06-20 23:04:21 +02:00 committed by David S. Miller
parent 1c80075907
commit 223053783b
2 changed files with 14 additions and 0 deletions
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10
drivers/net/ethernet/mellanox/mlxsw/spectrum.c
View File

@ -2589,6 +2589,9 @@ mlxsw_sp_port_fdb_flush_by_port_fid(const struct mlxsw_sp_port *mlxsw_sp_port,
mlxsw_reg_sfdf_port_fid_system_port_set(sfdf_pl, mlxsw_reg_sfdf_port_fid_system_port_set(sfdf_pl,
mlxsw_sp_port->local_port); mlxsw_sp_port->local_port);
netdev_dbg(mlxsw_sp_port->dev, "FDB flushed using Port=%d, FID=%d\n",
mlxsw_sp_port->local_port, fid);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfdf), sfdf_pl); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfdf), sfdf_pl);
} }
@ -2603,6 +2606,9 @@ mlxsw_sp_port_fdb_flush_by_lag_id_fid(const struct mlxsw_sp_port *mlxsw_sp_port,
mlxsw_reg_sfdf_fid_set(sfdf_pl, fid); mlxsw_reg_sfdf_fid_set(sfdf_pl, fid);
mlxsw_reg_sfdf_lag_fid_lag_id_set(sfdf_pl, mlxsw_sp_port->lag_id); mlxsw_reg_sfdf_lag_fid_lag_id_set(sfdf_pl, mlxsw_sp_port->lag_id);
netdev_dbg(mlxsw_sp_port->dev, "FDB flushed using LAG ID=%d, FID=%d\n",
mlxsw_sp_port->lag_id, fid);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfdf), sfdf_pl); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfdf), sfdf_pl);
} }
@ -3174,6 +3180,8 @@ static int mlxsw_sp_vport_br_vfid_join(struct mlxsw_sp_port *mlxsw_sp_vport,
mlxsw_sp_vport_fid_set(mlxsw_sp_vport, f); mlxsw_sp_vport_fid_set(mlxsw_sp_vport, f);
f->ref_count++; f->ref_count++;
netdev_dbg(mlxsw_sp_vport->dev, "Joined FID=%d\n", f->fid);
return 0; return 0;
err_vport_fid_map: err_vport_fid_map:
@ -3188,6 +3196,8 @@ static void mlxsw_sp_vport_br_vfid_leave(struct mlxsw_sp_port *mlxsw_sp_vport)
{ {
struct mlxsw_sp_fid *f = mlxsw_sp_vport_fid_get(mlxsw_sp_vport); struct mlxsw_sp_fid *f = mlxsw_sp_vport_fid_get(mlxsw_sp_vport);
netdev_dbg(mlxsw_sp_vport->dev, "Left FID=%d\n", f->fid);
mlxsw_sp_vport_fid_map(mlxsw_sp_vport, f->fid, false); mlxsw_sp_vport_fid_map(mlxsw_sp_vport, f->fid, false);
mlxsw_sp_vport_flood_set(mlxsw_sp_vport, f->fid, false); mlxsw_sp_vport_flood_set(mlxsw_sp_vport, f->fid, false);

4
drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
View File

@ -488,6 +488,8 @@ static int __mlxsw_sp_port_fid_join(struct mlxsw_sp_port *mlxsw_sp_port,
f->ref_count++; f->ref_count++;
netdev_dbg(mlxsw_sp_port->dev, "Joined FID=%d\n", fid);
return 0; return 0;
} }
@ -500,6 +502,8 @@ static void __mlxsw_sp_port_fid_leave(struct mlxsw_sp_port *mlxsw_sp_port,
if (WARN_ON(!f)) if (WARN_ON(!f))
return; return;
netdev_dbg(mlxsw_sp_port->dev, "Left FID=%d\n", fid);
mlxsw_sp_port_fdb_flush(mlxsw_sp_port, fid); mlxsw_sp_port_fdb_flush(mlxsw_sp_port, fid);
if (--f->ref_count == 0) if (--f->ref_count == 0)