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devlink: Add devlink health port reporters API 

In order to use new devlink port health reporters infrastructure, add
corresponding constructor and destructor functions.

Signed-off-by: Vladyslav Tarasiuk <vladyslavt@mellanox.com>
Reviewed-by: Moshe Shemesh <moshe@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vladyslav Tarasiuk 2020-07-10 15:25:11 +03:00 committed by David S. Miller
parent f4f5416601
commit 15c724b997
2 changed files with 59 additions and 0 deletions
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9
include/net/devlink.h
View File

@ -1338,9 +1338,18 @@ struct devlink_health_reporter *
devlink_health_reporter_create(struct devlink *devlink,
const struct devlink_health_reporter_ops *ops,
u64 graceful_period, void *priv);
struct devlink_health_reporter *
devlink_port_health_reporter_create(struct devlink_port *port,
const struct devlink_health_reporter_ops *ops,
u64 graceful_period, void *priv);
void
devlink_health_reporter_destroy(struct devlink_health_reporter *reporter);
void
devlink_port_health_reporter_destroy(struct devlink_health_reporter *reporter);
void *
devlink_health_reporter_priv(struct devlink_health_reporter *reporter);
int devlink_health_report(struct devlink_health_reporter *reporter,

50
net/core/devlink.c
View File

@ -5371,6 +5371,42 @@ __devlink_health_reporter_create(struct devlink *devlink,
return reporter;
}
/**
* devlink_port_health_reporter_create - create devlink health reporter for
* specified port instance
*
* @port: devlink_port which should contain the new reporter
* @ops: ops
* @graceful_period: to avoid recovery loops, in msecs
* @priv: priv
*/
struct devlink_health_reporter *
devlink_port_health_reporter_create(struct devlink_port *port,
const struct devlink_health_reporter_ops *ops,
u64 graceful_period, void *priv)
{
struct devlink_health_reporter *reporter;
mutex_lock(&port->reporters_lock);
if (__devlink_health_reporter_find_by_name(&port->reporter_list,
&port->reporters_lock, ops->name)) {
reporter = ERR_PTR(-EEXIST);
goto unlock;
}
reporter = __devlink_health_reporter_create(port->devlink, ops,
graceful_period, priv);
if (IS_ERR(reporter))
goto unlock;
reporter->devlink_port = port;
list_add_tail(&reporter->list, &port->reporter_list);
unlock:
mutex_unlock(&port->reporters_lock);
return reporter;
}
EXPORT_SYMBOL_GPL(devlink_port_health_reporter_create);
/**
* devlink_health_reporter_create - create devlink health reporter
*
@ -5441,6 +5477,20 @@ devlink_health_reporter_destroy(struct devlink_health_reporter *reporter)
}
EXPORT_SYMBOL_GPL(devlink_health_reporter_destroy);
/**
* devlink_port_health_reporter_destroy - destroy devlink port health reporter
*
* @reporter: devlink health reporter to destroy
*/
void
devlink_port_health_reporter_destroy(struct devlink_health_reporter *reporter)
{
mutex_lock(&reporter->devlink_port->reporters_lock);
__devlink_health_reporter_destroy(reporter);
mutex_unlock(&reporter->devlink_port->reporters_lock);
}
EXPORT_SYMBOL_GPL(devlink_port_health_reporter_destroy);
static int
devlink_nl_health_reporter_fill(struct sk_buff *msg,
struct devlink *devlink,