From: Shalom Toledo <shal...@mellanox.com> Register CPU port with devlink.
Signed-off-by: Shalom Toledo <shal...@mellanox.com> Signed-off-by: Ido Schimmel <ido...@mellanox.com> --- drivers/net/ethernet/mellanox/mlxsw/core.c | 33 +++++++++++++ drivers/net/ethernet/mellanox/mlxsw/core.h | 5 ++ .../net/ethernet/mellanox/mlxsw/spectrum.c | 47 +++++++++++++++++++ 3 files changed, 85 insertions(+) diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.c b/drivers/net/ethernet/mellanox/mlxsw/core.c index 963a2b4b61b1..94f83d2be17e 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core.c +++ b/drivers/net/ethernet/mellanox/mlxsw/core.c @@ -1892,6 +1892,39 @@ void mlxsw_core_port_fini(struct mlxsw_core *mlxsw_core, u8 local_port) } EXPORT_SYMBOL(mlxsw_core_port_fini); +int mlxsw_core_cpu_port_init(struct mlxsw_core *mlxsw_core, + void *port_driver_priv, + const unsigned char *switch_id, + unsigned char switch_id_len) +{ + struct devlink *devlink = priv_to_devlink(mlxsw_core); + struct mlxsw_core_port *mlxsw_core_port = + &mlxsw_core->ports[MLXSW_PORT_CPU_PORT]; + struct devlink_port *devlink_port = &mlxsw_core_port->devlink_port; + int err; + + mlxsw_core_port->local_port = MLXSW_PORT_CPU_PORT; + mlxsw_core_port->port_driver_priv = port_driver_priv; + devlink_port_attrs_set(devlink_port, DEVLINK_PORT_FLAVOUR_CPU, + 0, false, 0, switch_id, switch_id_len); + err = devlink_port_register(devlink, devlink_port, MLXSW_PORT_CPU_PORT); + if (err) + memset(mlxsw_core_port, 0, sizeof(*mlxsw_core_port)); + return err; +} +EXPORT_SYMBOL(mlxsw_core_cpu_port_init); + +void mlxsw_core_cpu_port_fini(struct mlxsw_core *mlxsw_core) +{ + struct mlxsw_core_port *mlxsw_core_port = + &mlxsw_core->ports[MLXSW_PORT_CPU_PORT]; + struct devlink_port *devlink_port = &mlxsw_core_port->devlink_port; + + devlink_port_unregister(devlink_port); + memset(mlxsw_core_port, 0, sizeof(*mlxsw_core_port)); +} +EXPORT_SYMBOL(mlxsw_core_cpu_port_fini); + void mlxsw_core_port_eth_set(struct mlxsw_core *mlxsw_core, u8 local_port, void *port_driver_priv, struct net_device *dev) { diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.h b/drivers/net/ethernet/mellanox/mlxsw/core.h index b65a17d49e43..5d7d2ab6d155 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core.h +++ b/drivers/net/ethernet/mellanox/mlxsw/core.h @@ -177,6 +177,11 @@ int mlxsw_core_port_init(struct mlxsw_core *mlxsw_core, u8 local_port, const unsigned char *switch_id, unsigned char switch_id_len); void mlxsw_core_port_fini(struct mlxsw_core *mlxsw_core, u8 local_port); +int mlxsw_core_cpu_port_init(struct mlxsw_core *mlxsw_core, + void *port_driver_priv, + const unsigned char *switch_id, + unsigned char switch_id_len); +void mlxsw_core_cpu_port_fini(struct mlxsw_core *mlxsw_core); void mlxsw_core_port_eth_set(struct mlxsw_core *mlxsw_core, u8 local_port, void *port_driver_priv, struct net_device *dev); void mlxsw_core_port_ib_set(struct mlxsw_core *mlxsw_core, u8 local_port, diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c index 91e4792bb7e7..1fc73a9ad84d 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c @@ -3872,6 +3872,46 @@ static void mlxsw_sp_port_remove(struct mlxsw_sp *mlxsw_sp, u8 local_port) mlxsw_core_port_fini(mlxsw_sp->core, local_port); } +static int mlxsw_sp_cpu_port_create(struct mlxsw_sp *mlxsw_sp) +{ + struct mlxsw_sp_port *mlxsw_sp_port; + int err; + + mlxsw_sp_port = kzalloc(sizeof(*mlxsw_sp_port), GFP_KERNEL); + if (!mlxsw_sp_port) + return -ENOMEM; + + mlxsw_sp_port->mlxsw_sp = mlxsw_sp; + mlxsw_sp_port->local_port = MLXSW_PORT_CPU_PORT; + + mlxsw_sp->ports[MLXSW_PORT_CPU_PORT] = mlxsw_sp_port; + + err = mlxsw_core_cpu_port_init(mlxsw_sp->core, + mlxsw_sp_port, + mlxsw_sp->base_mac, + sizeof(mlxsw_sp->base_mac)); + if (err) { + dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize core CPU port\n"); + goto err_core_cpu_port_init; + } + + return err; + +err_core_cpu_port_init: + mlxsw_sp->ports[MLXSW_PORT_CPU_PORT] = NULL; + kfree(mlxsw_sp_port); + return err; +} + +static void mlxsw_sp_cpu_port_remove(struct mlxsw_sp *mlxsw_sp) +{ + struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp->ports[0]; + + mlxsw_core_cpu_port_fini(mlxsw_sp->core); + mlxsw_sp->ports[MLXSW_PORT_CPU_PORT] = NULL; + kfree(mlxsw_sp_port); +} + static bool mlxsw_sp_port_created(struct mlxsw_sp *mlxsw_sp, u8 local_port) { return mlxsw_sp->ports[local_port] != NULL; @@ -3884,6 +3924,7 @@ static void mlxsw_sp_ports_remove(struct mlxsw_sp *mlxsw_sp) for (i = 1; i < mlxsw_core_max_ports(mlxsw_sp->core); i++) if (mlxsw_sp_port_created(mlxsw_sp, i)) mlxsw_sp_port_remove(mlxsw_sp, i); + mlxsw_sp_cpu_port_remove(mlxsw_sp); kfree(mlxsw_sp->port_to_module); kfree(mlxsw_sp->ports); } @@ -3908,6 +3949,10 @@ static int mlxsw_sp_ports_create(struct mlxsw_sp *mlxsw_sp) goto err_port_to_module_alloc; } + err = mlxsw_sp_cpu_port_create(mlxsw_sp); + if (err) + goto err_cpu_port_create; + for (i = 1; i < max_ports; i++) { /* Mark as invalid */ mlxsw_sp->port_to_module[i] = -1; @@ -3931,6 +3976,8 @@ static int mlxsw_sp_ports_create(struct mlxsw_sp *mlxsw_sp) for (i--; i >= 1; i--) if (mlxsw_sp_port_created(mlxsw_sp, i)) mlxsw_sp_port_remove(mlxsw_sp, i); + mlxsw_sp_cpu_port_remove(mlxsw_sp); +err_cpu_port_create: kfree(mlxsw_sp->port_to_module); err_port_to_module_alloc: kfree(mlxsw_sp->ports); -- 2.21.0