Commit 4383cfcc authored by Michael Guralnik's avatar Michael Guralnik Committed by Saeed Mahameed
Browse files

net/mlx5: Add devlink reload 



Implement devlink reload for mlx5.

Usage example:
devlink dev reload pci/0000:06:00.0

Signed-off-by: default avatarMichael Guralnik <michaelgur@mellanox.com>
Acked-by: default avatarJiri Pirko <jiri@mellanox.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@mellanox.com>
parent 71c6eaeb

drivers/net/ethernet/mellanox/mlx5/core/devlink.c

+20 −0
Original line number Diff line number Diff line
@@ -85,6 +85,22 @@ mlx5_devlink_info_get(struct devlink *devlink, struct devlink_info_req *req, 
	return 0;

}



static int mlx5_devlink_reload_down(struct devlink *devlink, bool netns_change,

				    struct netlink_ext_ack *extack)

{

	struct mlx5_core_dev *dev = devlink_priv(devlink);



	return mlx5_unload_one(dev, false);

}



static int mlx5_devlink_reload_up(struct devlink *devlink,

				  struct netlink_ext_ack *extack)

{

	struct mlx5_core_dev *dev = devlink_priv(devlink);



	return mlx5_load_one(dev, false);

}



static const struct devlink_ops mlx5_devlink_ops = {

#ifdef CONFIG_MLX5_ESWITCH

	.eswitch_mode_set = mlx5_devlink_eswitch_mode_set,
@@ -96,6 +112,8 @@ static const struct devlink_ops mlx5_devlink_ops = { 
#endif

	.flash_update = mlx5_devlink_flash_update,

	.info_get = mlx5_devlink_info_get,

	.reload_down = mlx5_devlink_reload_down,

	.reload_up = mlx5_devlink_reload_up,

};



struct devlink *mlx5_devlink_alloc(void)
@@ -235,6 +253,7 @@ int mlx5_devlink_register(struct devlink *devlink, struct device *dev) 
		goto params_reg_err;

	mlx5_devlink_set_params_init_values(devlink);

	devlink_params_publish(devlink);

	devlink_reload_enable(devlink);

	return 0;



params_reg_err:
@@ -244,6 +263,7 @@ params_reg_err: 


void mlx5_devlink_unregister(struct devlink *devlink)

{

	devlink_reload_disable(devlink);

	devlink_params_unregister(devlink, mlx5_devlink_params,

				  ARRAY_SIZE(mlx5_devlink_params));

	devlink_unregister(devlink);

drivers/net/ethernet/mellanox/mlx5/core/main.c

+2 −2
Original line number Diff line number Diff line
@@ -1168,7 +1168,7 @@ static void mlx5_unload(struct mlx5_core_dev *dev) 
	mlx5_put_uars_page(dev, dev->priv.uar);

}



static int mlx5_load_one(struct mlx5_core_dev *dev, bool boot)

int mlx5_load_one(struct mlx5_core_dev *dev, bool boot)

{

	int err = 0;
@@ -1226,7 +1226,7 @@ function_teardown: 
	return err;

}



static int mlx5_unload_one(struct mlx5_core_dev *dev, bool cleanup)

int mlx5_unload_one(struct mlx5_core_dev *dev, bool cleanup)

{

	if (cleanup) {

		mlx5_unregister_device(dev);

drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h

+3 −0
Original line number Diff line number Diff line
@@ -243,4 +243,7 @@ enum { 


u8 mlx5_get_nic_state(struct mlx5_core_dev *dev);

void mlx5_set_nic_state(struct mlx5_core_dev *dev, u8 state);



int mlx5_unload_one(struct mlx5_core_dev *dev, bool cleanup);

int mlx5_load_one(struct mlx5_core_dev *dev, bool boot);

#endif /* __MLX5_CORE_H__ */

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