From 15c724b997a8fe1a677cf11797fb29c0bdecc63f Mon Sep 17 00:00:00 2001 From: Vladyslav Tarasiuk Date: Fri, 10 Jul 2020 15:25:11 +0300 Subject: [PATCH] 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 Reviewed-by: Moshe Shemesh Reviewed-by: Jiri Pirko Signed-off-by: David S. Miller --- include/net/devlink.h | 9 ++++++++ net/core/devlink.c | 50 +++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 59 insertions(+) diff --git a/include/net/devlink.h b/include/net/devlink.h index bb1139752405..913e8679ae35 100644 --- a/include/net/devlink.h +++ b/include/net/devlink.h @@ -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, diff --git a/net/core/devlink.c b/net/core/devlink.c index b4a231ca7135..20a83aace642 100644 --- a/net/core/devlink.c +++ b/net/core/devlink.c @@ -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,