netdev - [PATCH net-next v3 5/7] net: dsa: Add devlink port regions support to DSA

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Date:   Sun,  4 Oct 2020 18:12:55 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     David Miller <davem@...emloft.net>
Cc:     netdev <netdev@...r.kernel.org>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <vladimir.oltean@....com>,
        Jiri Pirko <jiri@...dia.com>, Jakub Kicinski <kuba@...nel.org>,
        Andrew Lunn <andrew@...n.ch>,
        Vladimir Oltean <olteanv@...il.com>
Subject: [PATCH net-next v3 5/7] net: dsa: Add devlink port regions support to DSA

Allow DSA drivers to make use of devlink port regions, via simple
wrappers.

Reviewed-by: Vladimir Oltean <olteanv@...il.com>
Tested-by: Vladimir Oltean <olteanv@...il.com>
Signed-off-by: Andrew Lunn <andrew@...n.ch>
---
 include/net/dsa.h |  5 +++++
 net/dsa/dsa.c     | 14 ++++++++++++++
 2 files changed, 19 insertions(+)

diff --git a/include/net/dsa.h b/include/net/dsa.h
index 049140b2f593..ca426cf9927b 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -681,6 +681,11 @@ struct devlink_region *
 dsa_devlink_region_create(struct dsa_switch *ds,
 			  const struct devlink_region_ops *ops,
 			  u32 region_max_snapshots, u64 region_size);
+struct devlink_region *
+dsa_devlink_port_region_create(struct dsa_switch *ds,
+			       int port,
+			       const struct devlink_port_region_ops *ops,
+			       u32 region_max_snapshots, u64 region_size);
 void dsa_devlink_region_destroy(struct devlink_region *region);
 
 struct dsa_port *dsa_port_from_netdev(struct net_device *netdev);
diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
index dec4ab59b7c4..2131bf2b3a67 100644
--- a/net/dsa/dsa.c
+++ b/net/dsa/dsa.c
@@ -423,6 +423,20 @@ dsa_devlink_region_create(struct dsa_switch *ds,
 }
 EXPORT_SYMBOL_GPL(dsa_devlink_region_create);
 
+struct devlink_region *
+dsa_devlink_port_region_create(struct dsa_switch *ds,
+			       int port,
+			       const struct devlink_port_region_ops *ops,
+			       u32 region_max_snapshots, u64 region_size)
+{
+	struct dsa_port *dp = dsa_to_port(ds, port);
+
+	return devlink_port_region_create(&dp->devlink_port, ops,
+					  region_max_snapshots,
+					  region_size);
+}
+EXPORT_SYMBOL_GPL(dsa_devlink_port_region_create);
+
 void dsa_devlink_region_destroy(struct devlink_region *region)
 {
 	devlink_region_destroy(region);
-- 
2.28.0