Commit ffd19b9a authored by Vasundhara Volam's avatar Vasundhara Volam Committed by David S. Miller
Browse files

devlink: Add support for driverinit get value for devlink_port 



Add support for "driverinit" configuration mode value for devlink_port
configuration parameters. Add devlink_port_param_driverinit_value_get()
function to help the driver get the value from devlink_port.

Also, move the common code to __devlink_param_driverinit_value_get()
to be used by both device and port params.

v7->v8:
-Add the missing devlink_port_param_driverinit_value_get() declaration.
-Also, order devlink_port_param_driverinit_value_get() after
devlink_param_driverinit_value_get/set() calls

Cc: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: default avatarVasundhara Volam <vasundhara-v.volam@broadcom.com>
Acked-by: default avatarJiri Pirko <jiri@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 9c54873b

include/net/devlink.h

+12 −0
Original line number Original line Diff line number Diff line
@@ -578,6 +578,10 @@ int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id, 
				       union devlink_param_value *init_val);

				       union devlink_param_value *init_val);

int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id,

int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id,

				       union devlink_param_value init_val);

				       union devlink_param_value init_val);

int

devlink_port_param_driverinit_value_get(struct devlink_port *devlink_port,

					u32 param_id,

					union devlink_param_value *init_val);

void devlink_param_value_changed(struct devlink *devlink, u32 param_id);

void devlink_param_value_changed(struct devlink *devlink, u32 param_id);

void devlink_param_value_str_fill(union devlink_param_value *dst_val,

void devlink_param_value_str_fill(union devlink_param_value *dst_val,

				  const char *src);

				  const char *src);
@@ -827,6 +831,14 @@ devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id, 
	return -EOPNOTSUPP;

	return -EOPNOTSUPP;

}

}





static inline int

devlink_port_param_driverinit_value_get(struct devlink_port *devlink_port,

					u32 param_id,

					union devlink_param_value *init_val)

{

	return -EOPNOTSUPP;

}



static inline void

static inline void

devlink_param_value_changed(struct devlink *devlink, u32 param_id)

devlink_param_value_changed(struct devlink *devlink, u32 param_id)

{

{

net/core/devlink.c

+50 −17
Original line number Original line Diff line number Diff line
@@ -4714,26 +4714,13 @@ void devlink_port_params_unregister(struct devlink_port *devlink_port, 
}

}

EXPORT_SYMBOL_GPL(devlink_port_params_unregister);

EXPORT_SYMBOL_GPL(devlink_port_params_unregister);





/**

static int

 *	devlink_param_driverinit_value_get - get configuration parameter

__devlink_param_driverinit_value_get(struct list_head *param_list, u32 param_id,

 *					     value for driver initializing

 *

 *	@devlink: devlink

 *	@param_id: parameter ID

 *	@init_val: value of parameter in driverinit configuration mode

 *

 *	This function should be used by the driver to get driverinit

 *	configuration for initialization after reload command.

 */

int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id,

				     union devlink_param_value *init_val)

				     union devlink_param_value *init_val)

{

{

	struct devlink_param_item *param_item;

	struct devlink_param_item *param_item;





	if (!devlink->ops || !devlink->ops->reload)

	param_item = devlink_param_find_by_id(param_list, param_id);

		return -EOPNOTSUPP;



	param_item = devlink_param_find_by_id(&devlink->param_list, param_id);

	if (!param_item)

	if (!param_item)

		return -EINVAL;

		return -EINVAL;
@@ -4749,6 +4736,27 @@ int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id, 




	return 0;

	return 0;

}

}



/**

 *	devlink_param_driverinit_value_get - get configuration parameter

 *					     value for driver initializing

 *

 *	@devlink: devlink

 *	@param_id: parameter ID

 *	@init_val: value of parameter in driverinit configuration mode

 *

 *	This function should be used by the driver to get driverinit

 *	configuration for initialization after reload command.

 */

int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id,

				       union devlink_param_value *init_val)

{

	if (!devlink->ops || !devlink->ops->reload)

		return -EOPNOTSUPP;



	return __devlink_param_driverinit_value_get(&devlink->param_list,

						    param_id, init_val);

}

EXPORT_SYMBOL_GPL(devlink_param_driverinit_value_get);

EXPORT_SYMBOL_GPL(devlink_param_driverinit_value_get);





/**

/**
@@ -4787,6 +4795,31 @@ int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id, 
}

}

EXPORT_SYMBOL_GPL(devlink_param_driverinit_value_set);

EXPORT_SYMBOL_GPL(devlink_param_driverinit_value_set);





/**

 *	devlink_port_param_driverinit_value_get - get configuration parameter

 *						value for driver initializing

 *

 *	@devlink_port: devlink_port

 *	@param_id: parameter ID

 *	@init_val: value of parameter in driverinit configuration mode

 *

 *	This function should be used by the driver to get driverinit

 *	configuration for initialization after reload command.

 */

int devlink_port_param_driverinit_value_get(struct devlink_port *devlink_port,

					    u32 param_id,

					    union devlink_param_value *init_val)

{

	struct devlink *devlink = devlink_port->devlink;



	if (!devlink->ops || !devlink->ops->reload)

		return -EOPNOTSUPP;



	return __devlink_param_driverinit_value_get(&devlink_port->param_list,

						    param_id, init_val);

}

EXPORT_SYMBOL_GPL(devlink_port_param_driverinit_value_get);



/**

/**

 *	devlink_param_value_changed - notify devlink on a parameter's value

 *	devlink_param_value_changed - notify devlink on a parameter's value

 *				      change. Should be called by the driver

 *				      change. Should be called by the driver

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