diff options
Diffstat (limited to 'net')
-rw-r--r-- | net/devlink/Makefile | 2 | ||||
-rw-r--r-- | net/devlink/devl_internal.h | 28 | ||||
-rw-r--r-- | net/devlink/health.c | 196 | ||||
-rw-r--r-- | net/devlink/leftover.c | 209 |
4 files changed, 226 insertions, 209 deletions
diff --git a/net/devlink/Makefile b/net/devlink/Makefile index daad4521c61e..ef91a76646a3 100644 --- a/net/devlink/Makefile +++ b/net/devlink/Makefile @@ -1,3 +1,3 @@ # SPDX-License-Identifier: GPL-2.0 -obj-y := leftover.o core.o netlink.o dev.o +obj-y := leftover.o core.o netlink.o dev.o health.o diff --git a/net/devlink/devl_internal.h b/net/devlink/devl_internal.h index 2f4820e40d27..49fe9e2dae34 100644 --- a/net/devlink/devl_internal.h +++ b/net/devlink/devl_internal.h @@ -198,6 +198,34 @@ int devlink_resources_validate(struct devlink *devlink, struct devlink_resource *resource, struct genl_info *info); +/* Health */ +struct devlink_health_reporter { + struct list_head list; + void *priv; + const struct devlink_health_reporter_ops *ops; + struct devlink *devlink; + struct devlink_port *devlink_port; + struct devlink_fmsg *dump_fmsg; + struct mutex dump_lock; /* lock parallel read/write from dump buffers */ + u64 graceful_period; + bool auto_recover; + bool auto_dump; + u8 health_state; + u64 dump_ts; + u64 dump_real_ts; + u64 error_count; + u64 recovery_count; + u64 last_recovery_ts; +}; + +struct devlink_health_reporter * +devlink_health_reporter_find_by_name(struct devlink *devlink, + const char *reporter_name); +struct devlink_health_reporter * +devlink_port_health_reporter_find_by_name(struct devlink_port *devlink_port, + const char *reporter_name); +void devlink_fmsg_free(struct devlink_fmsg *fmsg); + /* Line cards */ struct devlink_linecard; diff --git a/net/devlink/health.c b/net/devlink/health.c new file mode 100644 index 000000000000..18d1f38380b3 --- /dev/null +++ b/net/devlink/health.c @@ -0,0 +1,196 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (c) 2016 Mellanox Technologies. All rights reserved. + * Copyright (c) 2016 Jiri Pirko <jiri@mellanox.com> + */ + +#include <net/genetlink.h> +#include "devl_internal.h" + +void * +devlink_health_reporter_priv(struct devlink_health_reporter *reporter) +{ + return reporter->priv; +} +EXPORT_SYMBOL_GPL(devlink_health_reporter_priv); + +static struct devlink_health_reporter * +__devlink_health_reporter_find_by_name(struct list_head *reporter_list, + const char *reporter_name) +{ + struct devlink_health_reporter *reporter; + + list_for_each_entry(reporter, reporter_list, list) + if (!strcmp(reporter->ops->name, reporter_name)) + return reporter; + return NULL; +} + +struct devlink_health_reporter * +devlink_health_reporter_find_by_name(struct devlink *devlink, + const char *reporter_name) +{ + return __devlink_health_reporter_find_by_name(&devlink->reporter_list, + reporter_name); +} + +struct devlink_health_reporter * +devlink_port_health_reporter_find_by_name(struct devlink_port *devlink_port, + const char *reporter_name) +{ + return __devlink_health_reporter_find_by_name(&devlink_port->reporter_list, + reporter_name); +} + +static 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 *reporter; + + if (WARN_ON(graceful_period && !ops->recover)) + return ERR_PTR(-EINVAL); + + reporter = kzalloc(sizeof(*reporter), GFP_KERNEL); + if (!reporter) + return ERR_PTR(-ENOMEM); + + reporter->priv = priv; + reporter->ops = ops; + reporter->devlink = devlink; + reporter->graceful_period = graceful_period; + reporter->auto_recover = !!ops->recover; + reporter->auto_dump = !!ops->dump; + mutex_init(&reporter->dump_lock); + return reporter; +} + +/** + * devl_port_health_reporter_create() - create devlink health reporter for + * specified port instance + * + * @port: devlink_port to which health reports will relate + * @ops: devlink health reporter ops + * @graceful_period: min time (in msec) between recovery attempts + * @priv: driver priv pointer + */ +struct devlink_health_reporter * +devl_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; + + devl_assert_locked(port->devlink); + + if (__devlink_health_reporter_find_by_name(&port->reporter_list, + ops->name)) + return ERR_PTR(-EEXIST); + + reporter = __devlink_health_reporter_create(port->devlink, ops, + graceful_period, priv); + if (IS_ERR(reporter)) + return reporter; + + reporter->devlink_port = port; + list_add_tail(&reporter->list, &port->reporter_list); + return reporter; +} +EXPORT_SYMBOL_GPL(devl_port_health_reporter_create); + +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; + struct devlink *devlink = port->devlink; + + devl_lock(devlink); + reporter = devl_port_health_reporter_create(port, ops, + graceful_period, priv); + devl_unlock(devlink); + return reporter; +} +EXPORT_SYMBOL_GPL(devlink_port_health_reporter_create); + +/** + * devl_health_reporter_create - create devlink health reporter + * + * @devlink: devlink instance which the health reports will relate + * @ops: devlink health reporter ops + * @graceful_period: min time (in msec) between recovery attempts + * @priv: driver priv pointer + */ +struct devlink_health_reporter * +devl_health_reporter_create(struct devlink *devlink, + const struct devlink_health_reporter_ops *ops, + u64 graceful_period, void *priv) +{ + struct devlink_health_reporter *reporter; + + devl_assert_locked(devlink); + + if (devlink_health_reporter_find_by_name(devlink, ops->name)) + return ERR_PTR(-EEXIST); + + reporter = __devlink_health_reporter_create(devlink, ops, + graceful_period, priv); + if (IS_ERR(reporter)) + return reporter; + + list_add_tail(&reporter->list, &devlink->reporter_list); + return reporter; +} +EXPORT_SYMBOL_GPL(devl_health_reporter_create); + +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 *reporter; + + devl_lock(devlink); + reporter = devl_health_reporter_create(devlink, ops, + graceful_period, priv); + devl_unlock(devlink); + return reporter; +} +EXPORT_SYMBOL_GPL(devlink_health_reporter_create); + +static void +devlink_health_reporter_free(struct devlink_health_reporter *reporter) +{ + mutex_destroy(&reporter->dump_lock); + if (reporter->dump_fmsg) + devlink_fmsg_free(reporter->dump_fmsg); + kfree(reporter); +} + +/** + * devl_health_reporter_destroy() - destroy devlink health reporter + * + * @reporter: devlink health reporter to destroy + */ +void +devl_health_reporter_destroy(struct devlink_health_reporter *reporter) +{ + devl_assert_locked(reporter->devlink); + + list_del(&reporter->list); + devlink_health_reporter_free(reporter); +} +EXPORT_SYMBOL_GPL(devl_health_reporter_destroy); + +void +devlink_health_reporter_destroy(struct devlink_health_reporter *reporter) +{ + struct devlink *devlink = reporter->devlink; + + devl_lock(devlink); + devl_health_reporter_destroy(reporter); + devl_unlock(devlink); +} +EXPORT_SYMBOL_GPL(devlink_health_reporter_destroy); diff --git a/net/devlink/leftover.c b/net/devlink/leftover.c index 3569706c49e1..cfd1b90a0fc1 100644 --- a/net/devlink/leftover.c +++ b/net/devlink/leftover.c @@ -5403,7 +5403,7 @@ static struct devlink_fmsg *devlink_fmsg_alloc(void) return fmsg; } -static void devlink_fmsg_free(struct devlink_fmsg *fmsg) +void devlink_fmsg_free(struct devlink_fmsg *fmsg) { struct devlink_fmsg_item *item, *tmp; @@ -5963,213 +5963,6 @@ nla_put_failure: return err; } -struct devlink_health_reporter { - struct list_head list; - void *priv; - const struct devlink_health_reporter_ops *ops; - struct devlink *devlink; - struct devlink_port *devlink_port; - struct devlink_fmsg *dump_fmsg; - struct mutex dump_lock; /* lock parallel read/write from dump buffers */ - u64 graceful_period; - bool auto_recover; - bool auto_dump; - u8 health_state; - u64 dump_ts; - u64 dump_real_ts; - u64 error_count; - u64 recovery_count; - u64 last_recovery_ts; -}; - -void * -devlink_health_reporter_priv(struct devlink_health_reporter *reporter) -{ - return reporter->priv; -} -EXPORT_SYMBOL_GPL(devlink_health_reporter_priv); - -static struct devlink_health_reporter * -__devlink_health_reporter_find_by_name(struct list_head *reporter_list, - const char *reporter_name) -{ - struct devlink_health_reporter *reporter; - - list_for_each_entry(reporter, reporter_list, list) - if (!strcmp(reporter->ops->name, reporter_name)) - return reporter; - return NULL; -} - -static struct devlink_health_reporter * -devlink_health_reporter_find_by_name(struct devlink *devlink, - const char *reporter_name) -{ - return __devlink_health_reporter_find_by_name(&devlink->reporter_list, - reporter_name); -} - -static struct devlink_health_reporter * -devlink_port_health_reporter_find_by_name(struct devlink_port *devlink_port, - const char *reporter_name) -{ - return __devlink_health_reporter_find_by_name(&devlink_port->reporter_list, - reporter_name); -} - -static 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 *reporter; - - if (WARN_ON(graceful_period && !ops->recover)) - return ERR_PTR(-EINVAL); - - reporter = kzalloc(sizeof(*reporter), GFP_KERNEL); - if (!reporter) - return ERR_PTR(-ENOMEM); - - reporter->priv = priv; - reporter->ops = ops; - reporter->devlink = devlink; - reporter->graceful_period = graceful_period; - reporter->auto_recover = !!ops->recover; - reporter->auto_dump = !!ops->dump; - mutex_init(&reporter->dump_lock); - return reporter; -} - -/** - * devl_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 * -devl_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; - - devl_assert_locked(port->devlink); - - if (__devlink_health_reporter_find_by_name(&port->reporter_list, - ops->name)) - return ERR_PTR(-EEXIST); - - reporter = __devlink_health_reporter_create(port->devlink, ops, - graceful_period, priv); - if (IS_ERR(reporter)) - return reporter; - - reporter->devlink_port = port; - list_add_tail(&reporter->list, &port->reporter_list); - return reporter; -} -EXPORT_SYMBOL_GPL(devl_port_health_reporter_create); - -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; - struct devlink *devlink = port->devlink; - - devl_lock(devlink); - reporter = devl_port_health_reporter_create(port, ops, - graceful_period, priv); - devl_unlock(devlink); - return reporter; -} -EXPORT_SYMBOL_GPL(devlink_port_health_reporter_create); - -/** - * devl_health_reporter_create - create devlink health reporter - * - * @devlink: devlink - * @ops: ops - * @graceful_period: to avoid recovery loops, in msecs - * @priv: priv - */ -struct devlink_health_reporter * -devl_health_reporter_create(struct devlink *devlink, - const struct devlink_health_reporter_ops *ops, - u64 graceful_period, void *priv) -{ - struct devlink_health_reporter *reporter; - - devl_assert_locked(devlink); - - if (devlink_health_reporter_find_by_name(devlink, ops->name)) - return ERR_PTR(-EEXIST); - - reporter = __devlink_health_reporter_create(devlink, ops, - graceful_period, priv); - if (IS_ERR(reporter)) - return reporter; - - list_add_tail(&reporter->list, &devlink->reporter_list); - return reporter; -} -EXPORT_SYMBOL_GPL(devl_health_reporter_create); - -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 *reporter; - - devl_lock(devlink); - reporter = devl_health_reporter_create(devlink, ops, - graceful_period, priv); - devl_unlock(devlink); - return reporter; -} -EXPORT_SYMBOL_GPL(devlink_health_reporter_create); - -static void -devlink_health_reporter_free(struct devlink_health_reporter *reporter) -{ - mutex_destroy(&reporter->dump_lock); - if (reporter->dump_fmsg) - devlink_fmsg_free(reporter->dump_fmsg); - kfree(reporter); -} - -/** - * devl_health_reporter_destroy - destroy devlink health reporter - * - * @reporter: devlink health reporter to destroy - */ -void -devl_health_reporter_destroy(struct devlink_health_reporter *reporter) -{ - devl_assert_locked(reporter->devlink); - - list_del(&reporter->list); - devlink_health_reporter_free(reporter); -} -EXPORT_SYMBOL_GPL(devl_health_reporter_destroy); - -void -devlink_health_reporter_destroy(struct devlink_health_reporter *reporter) -{ - struct devlink *devlink = reporter->devlink; - - devl_lock(devlink); - devl_health_reporter_destroy(reporter); - devl_unlock(devlink); -} -EXPORT_SYMBOL_GPL(devlink_health_reporter_destroy); - static int devlink_nl_health_reporter_fill(struct sk_buff *msg, struct devlink_health_reporter *reporter, |