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devlink: Add devlink notifications support for port params

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Add notification call for devlink port param set, register and unregister
functions.
Add devlink_port_param_value_changed() function to enable the driver notify
devlink on value change. Driver should use this function after value was
changed on any configuration mode part to driverinit.

v7->v8:
Order devlink_port_param_value_changed() definitions followed by
devlink_param_value_changed()

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 18:00:25 +05:30
committed by David S. Miller
parent 5473a7bdad
commit c1e5786d67
3 changed files with 94 additions and 27 deletions
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8
include/net/devlink.h
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@ -586,6 +586,8 @@ 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_port_param_value_changed(struct devlink_port *devlink_port,
u32 param_id);
void devlink_param_value_str_fill(union devlink_param_value *dst_val,
const char *src);
struct devlink_region *devlink_region_create(struct devlink *devlink,
@ -855,6 +857,12 @@ devlink_param_value_changed(struct devlink *devlink, u32 param_id)
{
}
static inline void
devlink_port_param_value_changed(struct devlink_port *devlink_port,
u32 param_id)
{
}
static inline void
devlink_param_value_str_fill(union devlink_param_value *dst_val,
const char *src)