[PATCH] devlink: add devlink notification for recovery

[Sheetal Tigadoli]

From: Vikas Gupta <vikas.gupta@xxxxxxxxxxxx>

Add a devlink notification for reporter recovery

Signed-off-by: Vikas Gupta <vikas.gupta@xxxxxxxxxxxx>
Signed-off-by: Sheetal Tigadoli <sheetal.tigadoli@xxxxxxxxxxxx>
---
 net/core/devlink.c | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/net/core/devlink.c b/net/core/devlink.c
index e48680e..42909fb 100644
--- a/net/core/devlink.c
+++ b/net/core/devlink.c
@@ -4730,6 +4730,28 @@ struct devlink_health_reporter *
 }
 EXPORT_SYMBOL_GPL(devlink_health_reporter_state_update);
 
+static void __devlink_recover_notify(struct devlink *devlink,
+				     enum devlink_command cmd)
+{
+	struct sk_buff *msg;
+	int err;
+
+	WARN_ON(cmd != DEVLINK_CMD_HEALTH_REPORTER_RECOVER);
+
+	msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+	if (!msg)
+		return;
+
+	err = devlink_nl_fill(msg, devlink, cmd, 0, 0, 0);
+	if (err) {
+		nlmsg_free(msg);
+		return;
+	}
+
+	genlmsg_multicast_netns(&devlink_nl_family, devlink_net(devlink),
+				msg, 0, DEVLINK_MCGRP_CONFIG, GFP_KERNEL);
+}
+
 static int
 devlink_health_reporter_recover(struct devlink_health_reporter *reporter,
 				void *priv_ctx)
@@ -4747,6 +4769,9 @@ struct devlink_health_reporter *
 	reporter->health_state = DEVLINK_HEALTH_REPORTER_STATE_HEALTHY;
 	reporter->last_recovery_ts = jiffies;
 
+	__devlink_recover_notify(reporter->devlink,
+				 DEVLINK_CMD_HEALTH_REPORTER_RECOVER);
+
 	return 0;
 }
 
-- 
1.9.1