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devlink: Add support for driverinit set value for devlink_port 

Add support for "driverinit" configuration mode value for devlink_port
configuration parameters. Add devlink_port_param_driverinit_value_set()
function to help the driver set the value to devlink_port.

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

v7->v8:
Re-order the definitions as follows:
__devlink_param_driverinit_value_get
__devlink_param_driverinit_value_set
devlink_param_driverinit_value_get
devlink_param_driverinit_value_set
devlink_port_param_driverinit_value_get
devlink_port_param_driverinit_value_set

Cc: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vasundhara Volam 2019-01-28 18:00:24 +05:30 committed by David S. Miller
parent ffd19b9a49
commit 5473a7bdad
2 changed files with 63 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
include/net/devlink.h
View File

@ -582,6 +582,9 @@ int
devlink_port_param_driverinit_value_get(struct devlink_port *devlink_port,
u32 param_id,
union devlink_param_value *init_val);
int devlink_port_param_driverinit_value_set(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_str_fill(union devlink_param_value *dst_val,
const char *src);
@ -839,6 +842,14 @@ devlink_port_param_driverinit_value_get(struct devlink_port *devlink_port,
return -EOPNOTSUPP;
}
static inline int
devlink_port_param_driverinit_value_set(struct devlink_port *devlink_port,
u32 param_id,
union devlink_param_value init_val)
{
return -EOPNOTSUPP;
}
static inline void
devlink_param_value_changed(struct devlink *devlink, u32 param_id)
{

70
net/core/devlink.c
View File

@ -4737,6 +4737,32 @@ __devlink_param_driverinit_value_get(struct list_head *param_list, u32 param_id,
return 0;
}
static int
__devlink_param_driverinit_value_set(struct devlink *devlink,
struct list_head *param_list, u32 param_id,
union devlink_param_value init_val,
enum devlink_command cmd)
{
struct devlink_param_item *param_item;
param_item = devlink_param_find_by_id(param_list, param_id);
if (!param_item)
return -EINVAL;
if (!devlink_param_cmode_is_supported(param_item->param,
DEVLINK_PARAM_CMODE_DRIVERINIT))
return -EOPNOTSUPP;
if (param_item->param->type == DEVLINK_PARAM_TYPE_STRING)
strcpy(param_item->driverinit_value.vstr, init_val.vstr);
else
param_item->driverinit_value = init_val;
param_item->driverinit_value_valid = true;
devlink_param_notify(devlink, param_item, DEVLINK_CMD_PARAM_NEW);
return 0;
}
/**
* devlink_param_driverinit_value_get - get configuration parameter
* value for driver initializing
@ -4774,24 +4800,10 @@ EXPORT_SYMBOL_GPL(devlink_param_driverinit_value_get);
int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id,
union devlink_param_value init_val)
{
struct devlink_param_item *param_item;
param_item = devlink_param_find_by_id(&devlink->param_list, param_id);
if (!param_item)
return -EINVAL;
if (!devlink_param_cmode_is_supported(param_item->param,
DEVLINK_PARAM_CMODE_DRIVERINIT))
return -EOPNOTSUPP;
if (param_item->param->type == DEVLINK_PARAM_TYPE_STRING)
strcpy(param_item->driverinit_value.vstr, init_val.vstr);
else
param_item->driverinit_value = init_val;
param_item->driverinit_value_valid = true;
devlink_param_notify(devlink, param_item, DEVLINK_CMD_PARAM_NEW);
return 0;
return __devlink_param_driverinit_value_set(devlink,
&devlink->param_list,
param_id, init_val,
DEVLINK_CMD_PARAM_NEW);
}
EXPORT_SYMBOL_GPL(devlink_param_driverinit_value_set);
@ -4820,6 +4832,28 @@ int devlink_port_param_driverinit_value_get(struct devlink_port *devlink_port,
}
EXPORT_SYMBOL_GPL(devlink_port_param_driverinit_value_get);
/**
* devlink_port_param_driverinit_value_set - set value of configuration
* parameter for driverinit
* configuration mode
*
* @devlink_port: devlink_port
* @param_id: parameter ID
* @init_val: value of parameter to set for driverinit configuration mode
*
* This function should be used by the driver to set driverinit
* configuration mode default value.
*/
int devlink_port_param_driverinit_value_set(struct devlink_port *devlink_port,
u32 param_id,
union devlink_param_value init_val)
{
return __devlink_param_driverinit_value_set(devlink_port->devlink,
&devlink_port->param_list,
param_id, init_val, 0);
}
EXPORT_SYMBOL_GPL(devlink_port_param_driverinit_value_set);
/**
* devlink_param_value_changed - notify devlink on a parameter's value
* change. Should be called by the driver