net/mlx5: E-switch, Supporting setting devlink port function mac address

Enable user to set mac address of the PCI PF and VF port function.

Signed-off-by: Parav Pandit <parav@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/devlink.c b/drivers/net/ethernet/mellanox/mlx5/core/devlink.c
index 3177d24..c709e9a 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/devlink.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/devlink.c
@@ -114,6 +114,7 @@ static const struct devlink_ops mlx5_devlink_ops = {
        .eswitch_encap_mode_set = mlx5_devlink_eswitch_encap_mode_set,
        .eswitch_encap_mode_get = mlx5_devlink_eswitch_encap_mode_get,
        .port_function_hw_addr_get = mlx5_devlink_port_function_hw_addr_get,
+       .port_function_hw_addr_set = mlx5_devlink_port_function_hw_addr_set,
 #endif
        .flash_update = mlx5_devlink_flash_update,
        .info_get = mlx5_devlink_info_get,

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
index 2c08411..c656c9f 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
@@ -1898,6 +1898,42 @@ int mlx5_devlink_port_function_hw_addr_get(struct devlink *devlink,
        return err;
 }
 
+int mlx5_devlink_port_function_hw_addr_set(struct devlink *devlink,
+                                          struct devlink_port *port,
+                                          const u8 *hw_addr, int hw_addr_len,
+                                          struct netlink_ext_ack *extack)
+{
+       struct mlx5_eswitch *esw;
+       struct mlx5_vport *vport;
+       int err = -EOPNOTSUPP;
+       u16 vport_num;
+
+       esw = mlx5_devlink_eswitch_get(devlink);
+       if (IS_ERR(esw)) {
+               NL_SET_ERR_MSG_MOD(extack, "Eswitch doesn't support set hw_addr");
+               return PTR_ERR(esw);
+       }
+
+       vport_num = mlx5_esw_devlink_port_index_to_vport_num(port->index);
+       if (!is_port_function_supported(esw, vport_num)) {
+               NL_SET_ERR_MSG_MOD(extack, "Port doesn't support set hw_addr");
+               return -EINVAL;
+       }
+       vport = mlx5_eswitch_get_vport(esw, vport_num);
+       if (IS_ERR(vport)) {
+               NL_SET_ERR_MSG_MOD(extack, "Invalid port");
+               return PTR_ERR(vport);
+       }
+
+       mutex_lock(&esw->state_lock);
+       if (vport->enabled)
+               err = mlx5_esw_set_vport_mac_locked(esw, vport, hw_addr);
+       else
+               NL_SET_ERR_MSG_MOD(extack, "Eswitch vport is disabled");
+       mutex_unlock(&esw->state_lock);
+       return err;
+}
+
 int mlx5_eswitch_set_vport_state(struct mlx5_eswitch *esw,
                                 u16 vport, int link_state)
 {

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
index 19cd0af..67e0990 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
@@ -454,6 +454,10 @@ int mlx5_devlink_port_function_hw_addr_get(struct devlink *devlink,
                                           struct devlink_port *port,
                                           u8 *hw_addr, int *hw_addr_len,
                                           struct netlink_ext_ack *extack);
+int mlx5_devlink_port_function_hw_addr_set(struct devlink *devlink,
+                                          struct devlink_port *port,
+                                          const u8 *hw_addr, int hw_addr_len,
+                                          struct netlink_ext_ack *extack);
 
 void *mlx5_eswitch_get_uplink_priv(struct mlx5_eswitch *esw, u8 rep_type);