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devlink: add devink notification when reporter update health state

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add a devlink notification when reporter update the health
state.

Signed-off-by: Vikas Gupta <vikas.gupta@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vikas Gupta 2020-01-02 21:18:10 +05:30 committed by David S. Miller
parent 6181e5cb75
commit 97ff3bd37f
1 changed files with 42 additions and 17 deletions
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59
net/core/devlink.c
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@ -4843,23 +4843,6 @@ devlink_health_reporter_destroy(struct devlink_health_reporter *reporter)
}
EXPORT_SYMBOL_GPL(devlink_health_reporter_destroy);
void
devlink_health_reporter_state_update(struct devlink_health_reporter *reporter,
enum devlink_health_reporter_state state)
{
if (WARN_ON(state != DEVLINK_HEALTH_REPORTER_STATE_HEALTHY &&
state != DEVLINK_HEALTH_REPORTER_STATE_ERROR))
return;
if (reporter->health_state == state)
return;
reporter->health_state = state;
trace_devlink_health_reporter_state_update(reporter->devlink,
reporter->ops->name, state);
}
EXPORT_SYMBOL_GPL(devlink_health_reporter_state_update);
void
devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter)
{
@ -5097,6 +5080,48 @@ devlink_nl_health_reporter_fill(struct sk_buff *msg,
return -EMSGSIZE;
}
static void devlink_recover_notify(struct devlink_health_reporter *reporter,
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_health_reporter_fill(msg, reporter->devlink,
reporter, cmd, 0, 0, 0);
if (err) {
nlmsg_free(msg);
return;
}
genlmsg_multicast_netns(&devlink_nl_family,
devlink_net(reporter->devlink),
msg, 0, DEVLINK_MCGRP_CONFIG, GFP_KERNEL);
}
void
devlink_health_reporter_state_update(struct devlink_health_reporter *reporter,
enum devlink_health_reporter_state state)
{
if (WARN_ON(state != DEVLINK_HEALTH_REPORTER_STATE_HEALTHY &&
state != DEVLINK_HEALTH_REPORTER_STATE_ERROR))
return;
if (reporter->health_state == state)
return;
reporter->health_state = state;
trace_devlink_health_reporter_state_update(reporter->devlink,
reporter->ops->name, state);
devlink_recover_notify(reporter, DEVLINK_CMD_HEALTH_REPORTER_RECOVER);
}
EXPORT_SYMBOL_GPL(devlink_health_reporter_state_update);
static int devlink_nl_cmd_health_reporter_get_doit(struct sk_buff *skb,
struct genl_info *info)
{