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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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2
include/uapi/linux/devlink.h
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@@ -91,6 +91,8 @@ enum devlink_command {
DEVLINK_CMD_PORT_PARAM_GET, /* can dump */
DEVLINK_CMD_PORT_PARAM_SET,
DEVLINK_CMD_PORT_PARAM_NEW,
DEVLINK_CMD_PORT_PARAM_DEL,
/* add new commands above here */
__DEVLINK_CMD_MAX,