devlink: Move devlink health get and set code to health file

Move devlink health get and set callbacks and related code from
leftover.c to health.c. No functional change in this patch.

Signed-off-by: Moshe Shemesh <moshe@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

3 files changed, 234 insertions, 217 deletions

diff --git a/net/devlink/devl_internal.h b/net/devlink/devl_internal.h
index 49fe9e2dae34..085f80b5feb8 100644
--- a/net/devlink/devl_internal.h
+++ b/net/devlink/devl_internal.h
@@ -176,6 +176,8 @@ int devlink_port_netdevice_event(struct notifier_block *nb,
 
 struct devlink_port *
 devlink_port_get_from_info(struct devlink *devlink, struct genl_info *info);
+struct devlink_port *devlink_port_get_from_attrs(struct devlink *devlink,
+						 struct nlattr **attrs);
 
 /* Reload */
 bool devlink_reload_actions_valid(const struct devlink_ops *ops);
@@ -224,6 +226,18 @@ devlink_health_reporter_find_by_name(struct devlink *devlink,
 struct devlink_health_reporter *
 devlink_port_health_reporter_find_by_name(struct devlink_port *devlink_port,
 					  const char *reporter_name);
+struct devlink_health_reporter *
+devlink_health_reporter_get_from_attrs(struct devlink *devlink,
+				       struct nlattr **attrs);
+struct devlink_health_reporter *
+devlink_health_reporter_get_from_info(struct devlink *devlink,
+				      struct genl_info *info);
+int
+devlink_nl_health_reporter_fill(struct sk_buff *msg,
+				struct devlink_health_reporter *reporter,
+				enum devlink_command cmd, u32 portid,
+				u32 seq, int flags);
+
 void devlink_fmsg_free(struct devlink_fmsg *fmsg);
 
 /* Line cards */
@@ -249,3 +263,7 @@ int devlink_nl_cmd_info_get_doit(struct sk_buff *skb, struct genl_info *info);
 int devlink_nl_cmd_flash_update(struct sk_buff *skb, struct genl_info *info);
 int devlink_nl_cmd_selftests_get_doit(struct sk_buff *skb, struct genl_info *info);
 int devlink_nl_cmd_selftests_run(struct sk_buff *skb, struct genl_info *info);
+int devlink_nl_cmd_health_reporter_get_doit(struct sk_buff *skb,
+					    struct genl_info *info);
+int devlink_nl_cmd_health_reporter_set_doit(struct sk_buff *skb,
+					    struct genl_info *info);
diff --git a/net/devlink/health.c b/net/devlink/health.c
index 18d1f38380b3..1c92f369c918 100644
--- a/net/devlink/health.c
+++ b/net/devlink/health.c
@@ -194,3 +194,217 @@ devlink_health_reporter_destroy(struct devlink_health_reporter *reporter)
 	devl_unlock(devlink);
 }
 EXPORT_SYMBOL_GPL(devlink_health_reporter_destroy);
+
+int
+devlink_nl_health_reporter_fill(struct sk_buff *msg,
+				struct devlink_health_reporter *reporter,
+				enum devlink_command cmd, u32 portid,
+				u32 seq, int flags)
+{
+	struct devlink *devlink = reporter->devlink;
+	struct nlattr *reporter_attr;
+	void *hdr;
+
+	hdr = genlmsg_put(msg, portid, seq, &devlink_nl_family, flags, cmd);
+	if (!hdr)
+		return -EMSGSIZE;
+
+	if (devlink_nl_put_handle(msg, devlink))
+		goto genlmsg_cancel;
+
+	if (reporter->devlink_port) {
+		if (nla_put_u32(msg, DEVLINK_ATTR_PORT_INDEX, reporter->devlink_port->index))
+			goto genlmsg_cancel;
+	}
+	reporter_attr = nla_nest_start_noflag(msg,
+					      DEVLINK_ATTR_HEALTH_REPORTER);
+	if (!reporter_attr)
+		goto genlmsg_cancel;
+	if (nla_put_string(msg, DEVLINK_ATTR_HEALTH_REPORTER_NAME,
+			   reporter->ops->name))
+		goto reporter_nest_cancel;
+	if (nla_put_u8(msg, DEVLINK_ATTR_HEALTH_REPORTER_STATE,
+		       reporter->health_state))
+		goto reporter_nest_cancel;
+	if (nla_put_u64_64bit(msg, DEVLINK_ATTR_HEALTH_REPORTER_ERR_COUNT,
+			      reporter->error_count, DEVLINK_ATTR_PAD))
+		goto reporter_nest_cancel;
+	if (nla_put_u64_64bit(msg, DEVLINK_ATTR_HEALTH_REPORTER_RECOVER_COUNT,
+			      reporter->recovery_count, DEVLINK_ATTR_PAD))
+		goto reporter_nest_cancel;
+	if (reporter->ops->recover &&
+	    nla_put_u64_64bit(msg, DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD,
+			      reporter->graceful_period,
+			      DEVLINK_ATTR_PAD))
+		goto reporter_nest_cancel;
+	if (reporter->ops->recover &&
+	    nla_put_u8(msg, DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER,
+		       reporter->auto_recover))
+		goto reporter_nest_cancel;
+	if (reporter->dump_fmsg &&
+	    nla_put_u64_64bit(msg, DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS,
+			      jiffies_to_msecs(reporter->dump_ts),
+			      DEVLINK_ATTR_PAD))
+		goto reporter_nest_cancel;
+	if (reporter->dump_fmsg &&
+	    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);
+	return 0;
+
+reporter_nest_cancel:
+	nla_nest_cancel(msg, reporter_attr);
+genlmsg_cancel:
+	genlmsg_cancel(msg, hdr);
+	return -EMSGSIZE;
+}
+
+struct devlink_health_reporter *
+devlink_health_reporter_get_from_attrs(struct devlink *devlink,
+				       struct nlattr **attrs)
+{
+	struct devlink_port *devlink_port;
+	char *reporter_name;
+
+	if (!attrs[DEVLINK_ATTR_HEALTH_REPORTER_NAME])
+		return NULL;
+
+	reporter_name = nla_data(attrs[DEVLINK_ATTR_HEALTH_REPORTER_NAME]);
+	devlink_port = devlink_port_get_from_attrs(devlink, attrs);
+	if (IS_ERR(devlink_port))
+		return devlink_health_reporter_find_by_name(devlink,
+							    reporter_name);
+	else
+		return devlink_port_health_reporter_find_by_name(devlink_port,
+								 reporter_name);
+}
+
+struct devlink_health_reporter *
+devlink_health_reporter_get_from_info(struct devlink *devlink,
+				      struct genl_info *info)
+{
+	return devlink_health_reporter_get_from_attrs(devlink, info->attrs);
+}
+
+int devlink_nl_cmd_health_reporter_get_doit(struct sk_buff *skb,
+					    struct genl_info *info)
+{
+	struct devlink *devlink = info->user_ptr[0];
+	struct devlink_health_reporter *reporter;
+	struct sk_buff *msg;
+	int err;
+
+	reporter = devlink_health_reporter_get_from_info(devlink, info);
+	if (!reporter)
+		return -EINVAL;
+
+	msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+	if (!msg)
+		return -ENOMEM;
+
+	err = devlink_nl_health_reporter_fill(msg, reporter,
+					      DEVLINK_CMD_HEALTH_REPORTER_GET,
+					      info->snd_portid, info->snd_seq,
+					      0);
+	if (err) {
+		nlmsg_free(msg);
+		return err;
+	}
+
+	return genlmsg_reply(msg, info);
+}
+
+static int
+devlink_nl_cmd_health_reporter_get_dump_one(struct sk_buff *msg,
+					    struct devlink *devlink,
+					    struct netlink_callback *cb)
+{
+	struct devlink_nl_dump_state *state = devlink_dump_state(cb);
+	struct devlink_health_reporter *reporter;
+	struct devlink_port *port;
+	unsigned long port_index;
+	int idx = 0;
+	int err;
+
+	list_for_each_entry(reporter, &devlink->reporter_list, list) {
+		if (idx < state->idx) {
+			idx++;
+			continue;
+		}
+		err = devlink_nl_health_reporter_fill(msg, reporter,
+						      DEVLINK_CMD_HEALTH_REPORTER_GET,
+						      NETLINK_CB(cb->skb).portid,
+						      cb->nlh->nlmsg_seq,
+						      NLM_F_MULTI);
+		if (err) {
+			state->idx = idx;
+			return err;
+		}
+		idx++;
+	}
+	xa_for_each(&devlink->ports, port_index, port) {
+		list_for_each_entry(reporter, &port->reporter_list, list) {
+			if (idx < state->idx) {
+				idx++;
+				continue;
+			}
+			err = devlink_nl_health_reporter_fill(msg, reporter,
+							      DEVLINK_CMD_HEALTH_REPORTER_GET,
+							      NETLINK_CB(cb->skb).portid,
+							      cb->nlh->nlmsg_seq,
+							      NLM_F_MULTI);
+			if (err) {
+				state->idx = idx;
+				return err;
+			}
+			idx++;
+		}
+	}
+
+	return 0;
+}
+
+const struct devlink_cmd devl_cmd_health_reporter_get = {
+	.dump_one		= devlink_nl_cmd_health_reporter_get_dump_one,
+};
+
+int devlink_nl_cmd_health_reporter_set_doit(struct sk_buff *skb,
+					    struct genl_info *info)
+{
+	struct devlink *devlink = info->user_ptr[0];
+	struct devlink_health_reporter *reporter;
+
+	reporter = devlink_health_reporter_get_from_info(devlink, info);
+	if (!reporter)
+		return -EINVAL;
+
+	if (!reporter->ops->recover &&
+	    (info->attrs[DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD] ||
+	     info->attrs[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER]))
+		return -EOPNOTSUPP;
+
+	if (!reporter->ops->dump &&
+	    info->attrs[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_DUMP])
+		return -EOPNOTSUPP;
+
+	if (info->attrs[DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD])
+		reporter->graceful_period =
+			nla_get_u64(info->attrs[DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD]);
+
+	if (info->attrs[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER])
+		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]);
+
+	return 0;
+}
diff --git a/net/devlink/leftover.c b/net/devlink/leftover.c
index 90f95f06de28..0b1c5e0122f3 100644
--- a/net/devlink/leftover.c
+++ b/net/devlink/leftover.c
@@ -156,8 +156,8 @@ static struct devlink_port *devlink_port_get_by_index(struct devlink *devlink,
 	return xa_load(&devlink->ports, port_index);
 }
 
-static struct devlink_port *devlink_port_get_from_attrs(struct devlink *devlink,
-							struct nlattr **attrs)
+struct devlink_port *devlink_port_get_from_attrs(struct devlink *devlink,
+						 struct nlattr **attrs)
 {
 	if (attrs[DEVLINK_ATTR_PORT_INDEX]) {
 		u32 port_index = nla_get_u32(attrs[DEVLINK_ATTR_PORT_INDEX]);
@@ -5963,77 +5963,6 @@ nla_put_failure:
 	return err;
 }
 
-static int
-devlink_nl_health_reporter_fill(struct sk_buff *msg,
-				struct devlink_health_reporter *reporter,
-				enum devlink_command cmd, u32 portid,
-				u32 seq, int flags)
-{
-	struct devlink *devlink = reporter->devlink;
-	struct nlattr *reporter_attr;
-	void *hdr;
-
-	hdr = genlmsg_put(msg, portid, seq, &devlink_nl_family, flags, cmd);
-	if (!hdr)
-		return -EMSGSIZE;
-
-	if (devlink_nl_put_handle(msg, devlink))
-		goto genlmsg_cancel;
-
-	if (reporter->devlink_port) {
-		if (nla_put_u32(msg, DEVLINK_ATTR_PORT_INDEX, reporter->devlink_port->index))
-			goto genlmsg_cancel;
-	}
-	reporter_attr = nla_nest_start_noflag(msg,
-					      DEVLINK_ATTR_HEALTH_REPORTER);
-	if (!reporter_attr)
-		goto genlmsg_cancel;
-	if (nla_put_string(msg, DEVLINK_ATTR_HEALTH_REPORTER_NAME,
-			   reporter->ops->name))
-		goto reporter_nest_cancel;
-	if (nla_put_u8(msg, DEVLINK_ATTR_HEALTH_REPORTER_STATE,
-		       reporter->health_state))
-		goto reporter_nest_cancel;
-	if (nla_put_u64_64bit(msg, DEVLINK_ATTR_HEALTH_REPORTER_ERR_COUNT,
-			      reporter->error_count, DEVLINK_ATTR_PAD))
-		goto reporter_nest_cancel;
-	if (nla_put_u64_64bit(msg, DEVLINK_ATTR_HEALTH_REPORTER_RECOVER_COUNT,
-			      reporter->recovery_count, DEVLINK_ATTR_PAD))
-		goto reporter_nest_cancel;
-	if (reporter->ops->recover &&
-	    nla_put_u64_64bit(msg, DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD,
-			      reporter->graceful_period,
-			      DEVLINK_ATTR_PAD))
-		goto reporter_nest_cancel;
-	if (reporter->ops->recover &&
-	    nla_put_u8(msg, DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER,
-		       reporter->auto_recover))
-		goto reporter_nest_cancel;
-	if (reporter->dump_fmsg &&
-	    nla_put_u64_64bit(msg, DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS,
-			      jiffies_to_msecs(reporter->dump_ts),
-			      DEVLINK_ATTR_PAD))
-		goto reporter_nest_cancel;
-	if (reporter->dump_fmsg &&
-	    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);
-	return 0;
-
-reporter_nest_cancel:
-	nla_nest_cancel(msg, reporter_attr);
-genlmsg_cancel:
-	genlmsg_cancel(msg, hdr);
-	return -EMSGSIZE;
-}
-
 static void devlink_recover_notify(struct devlink_health_reporter *reporter,
 				   enum devlink_command cmd)
 {
@@ -6189,33 +6118,6 @@ int devlink_health_report(struct devlink_health_reporter *reporter,
 EXPORT_SYMBOL_GPL(devlink_health_report);
 
 static struct devlink_health_reporter *
-devlink_health_reporter_get_from_attrs(struct devlink *devlink,
-				       struct nlattr **attrs)
-{
-	struct devlink_port *devlink_port;
-	char *reporter_name;
-
-	if (!attrs[DEVLINK_ATTR_HEALTH_REPORTER_NAME])
-		return NULL;
-
-	reporter_name = nla_data(attrs[DEVLINK_ATTR_HEALTH_REPORTER_NAME]);
-	devlink_port = devlink_port_get_from_attrs(devlink, attrs);
-	if (IS_ERR(devlink_port))
-		return devlink_health_reporter_find_by_name(devlink,
-							    reporter_name);
-	else
-		return devlink_port_health_reporter_find_by_name(devlink_port,
-								 reporter_name);
-}
-
-static struct devlink_health_reporter *
-devlink_health_reporter_get_from_info(struct devlink *devlink,
-				      struct genl_info *info)
-{
-	return devlink_health_reporter_get_from_attrs(devlink, info->attrs);
-}
-
-static struct devlink_health_reporter *
 devlink_health_reporter_get_from_cb(struct netlink_callback *cb)
 {
 	const struct genl_dumpit_info *info = genl_dumpit_info(cb);
@@ -6251,123 +6153,6 @@ devlink_health_reporter_state_update(struct devlink_health_reporter *reporter,
 }
 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)
-{
-	struct devlink *devlink = info->user_ptr[0];
-	struct devlink_health_reporter *reporter;
-	struct sk_buff *msg;
-	int err;
-
-	reporter = devlink_health_reporter_get_from_info(devlink, info);
-	if (!reporter)
-		return -EINVAL;
-
-	msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
-	if (!msg)
-		return -ENOMEM;
-
-	err = devlink_nl_health_reporter_fill(msg, reporter,
-					      DEVLINK_CMD_HEALTH_REPORTER_GET,
-					      info->snd_portid, info->snd_seq,
-					      0);
-	if (err) {
-		nlmsg_free(msg);
-		return err;
-	}
-
-	return genlmsg_reply(msg, info);
-}
-
-static int
-devlink_nl_cmd_health_reporter_get_dump_one(struct sk_buff *msg,
-					    struct devlink *devlink,
-					    struct netlink_callback *cb)
-{
-	struct devlink_nl_dump_state *state = devlink_dump_state(cb);
-	struct devlink_health_reporter *reporter;
-	struct devlink_port *port;
-	unsigned long port_index;
-	int idx = 0;
-	int err;
-
-	list_for_each_entry(reporter, &devlink->reporter_list, list) {
-		if (idx < state->idx) {
-			idx++;
-			continue;
-		}
-		err = devlink_nl_health_reporter_fill(msg, reporter,
-						      DEVLINK_CMD_HEALTH_REPORTER_GET,
-						      NETLINK_CB(cb->skb).portid,
-						      cb->nlh->nlmsg_seq,
-						      NLM_F_MULTI);
-		if (err) {
-			state->idx = idx;
-			return err;
-		}
-		idx++;
-	}
-	xa_for_each(&devlink->ports, port_index, port) {
-		list_for_each_entry(reporter, &port->reporter_list, list) {
-			if (idx < state->idx) {
-				idx++;
-				continue;
-			}
-			err = devlink_nl_health_reporter_fill(msg, reporter,
-							      DEVLINK_CMD_HEALTH_REPORTER_GET,
-							      NETLINK_CB(cb->skb).portid,
-							      cb->nlh->nlmsg_seq,
-							      NLM_F_MULTI);
-			if (err) {
-				state->idx = idx;
-				return err;
-			}
-			idx++;
-		}
-	}
-
-	return 0;
-}
-
-const struct devlink_cmd devl_cmd_health_reporter_get = {
-	.dump_one		= devlink_nl_cmd_health_reporter_get_dump_one,
-};
-
-static int
-devlink_nl_cmd_health_reporter_set_doit(struct sk_buff *skb,
-					struct genl_info *info)
-{
-	struct devlink *devlink = info->user_ptr[0];
-	struct devlink_health_reporter *reporter;
-
-	reporter = devlink_health_reporter_get_from_info(devlink, info);
-	if (!reporter)
-		return -EINVAL;
-
-	if (!reporter->ops->recover &&
-	    (info->attrs[DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD] ||
-	     info->attrs[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER]))
-		return -EOPNOTSUPP;
-
-	if (!reporter->ops->dump &&
-	    info->attrs[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_DUMP])
-		return -EOPNOTSUPP;
-
-	if (info->attrs[DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD])
-		reporter->graceful_period =
-			nla_get_u64(info->attrs[DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD]);
-
-	if (info->attrs[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER])
-		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]);
-
-	return 0;
-}
-
 static int devlink_nl_cmd_health_reporter_recover_doit(struct sk_buff *skb,
 						       struct genl_info *info)
 {