diff options
| -rw-r--r-- | include/uapi/linux/devlink.h | 2 | ||||
| -rw-r--r-- | net/core/devlink.c | 26 |
2 files changed, 24 insertions, 4 deletions
diff --git a/include/uapi/linux/devlink.h b/include/uapi/linux/devlink.h index dfdffc42e87d..e7891d1d2ebd 100644 --- a/include/uapi/linux/devlink.h +++ b/include/uapi/linux/devlink.h @@ -429,6 +429,8 @@ enum devlink_attr { DEVLINK_ATTR_NETNS_FD, /* u32 */ DEVLINK_ATTR_NETNS_PID, /* u32 */ DEVLINK_ATTR_NETNS_ID, /* u32 */ + + DEVLINK_ATTR_HEALTH_REPORTER_AUTO_DUMP, /* u8 */ /* add new attributes above here, update the policy in devlink.c */ __DEVLINK_ATTR_MAX, diff --git a/net/core/devlink.c b/net/core/devlink.c index 963d0daea10a..85c7887356f6 100644 --- a/net/core/devlink.c +++ b/net/core/devlink.c @@ -5089,6 +5089,7 @@ struct devlink_health_reporter { 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; @@ -5155,6 +5156,7 @@ devlink_health_reporter_create(struct devlink *devlink, reporter->devlink = devlink; reporter->graceful_period = graceful_period; reporter->auto_recover = !!ops->recover; + reporter->auto_dump = !!ops->dump; mutex_init(&reporter->dump_lock); refcount_set(&reporter->refcount, 1); list_add_tail(&reporter->list, &devlink->reporter_list); @@ -5235,6 +5237,10 @@ devlink_nl_health_reporter_fill(struct sk_buff *msg, nla_put_u64_64bit(msg, DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS_NS, reporter->dump_real_ts, DEVLINK_ATTR_PAD)) goto reporter_nest_cancel; + if (reporter->ops->dump && + nla_put_u8(msg, DEVLINK_ATTR_HEALTH_REPORTER_AUTO_DUMP, + reporter->auto_dump)) + goto reporter_nest_cancel; nla_nest_end(msg, reporter_attr); genlmsg_end(msg, hdr); @@ -5381,10 +5387,12 @@ int devlink_health_report(struct devlink_health_reporter *reporter, reporter->health_state = DEVLINK_HEALTH_REPORTER_STATE_ERROR; - mutex_lock(&reporter->dump_lock); - /* store current dump of current error, for later analysis */ - devlink_health_do_dump(reporter, priv_ctx, NULL); - mutex_unlock(&reporter->dump_lock); + if (reporter->auto_dump) { + mutex_lock(&reporter->dump_lock); + /* store current dump of current error, for later analysis */ + devlink_health_do_dump(reporter, priv_ctx, NULL); + mutex_unlock(&reporter->dump_lock); + } if (reporter->auto_recover) return devlink_health_reporter_recover(reporter, @@ -5558,6 +5566,11 @@ devlink_nl_cmd_health_reporter_set_doit(struct sk_buff *skb, err = -EOPNOTSUPP; goto out; } + if (!reporter->ops->dump && + info->attrs[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_DUMP]) { + err = -EOPNOTSUPP; + goto out; + } if (info->attrs[DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD]) reporter->graceful_period = @@ -5567,6 +5580,10 @@ devlink_nl_cmd_health_reporter_set_doit(struct sk_buff *skb, reporter->auto_recover = nla_get_u8(info->attrs[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER]); + if (info->attrs[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_DUMP]) + reporter->auto_dump = + nla_get_u8(info->attrs[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_DUMP]); + devlink_health_reporter_put(reporter); return 0; out: @@ -6313,6 +6330,7 @@ static const struct nla_policy devlink_nl_policy[DEVLINK_ATTR_MAX + 1] = { [DEVLINK_ATTR_NETNS_PID] = { .type = NLA_U32 }, [DEVLINK_ATTR_NETNS_FD] = { .type = NLA_U32 }, [DEVLINK_ATTR_NETNS_ID] = { .type = NLA_U32 }, + [DEVLINK_ATTR_HEALTH_REPORTER_AUTO_DUMP] = { .type = NLA_U8 }, }; static const struct genl_ops devlink_nl_ops[] = { |