netdev - [PATCH net-next v4 5/8] net/funeth: devlink support

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Message-Id: <20220104064657.2095041-6-dmichail@fungible.com>
Date:   Mon,  3 Jan 2022 22:46:54 -0800
From:   Dimitris Michailidis <d.michailidis@...gible.com>
To:     davem@...emloft.net, kuba@...nel.org, netdev@...r.kernel.org,
        andrew@...n.ch, d.michailidis@...gible.com
Subject: [PATCH net-next v4 5/8] net/funeth: devlink support

The devlink part, which is minimal at this time giving just the driver
name.

Signed-off-by: Dimitris Michailidis <dmichail@...gible.com>
---
 .../ethernet/fungible/funeth/funeth_devlink.c | 40 +++++++++++++++++++
 .../ethernet/fungible/funeth/funeth_devlink.h | 13 ++++++
 2 files changed, 53 insertions(+)
 create mode 100644 drivers/net/ethernet/fungible/funeth/funeth_devlink.c
 create mode 100644 drivers/net/ethernet/fungible/funeth/funeth_devlink.h

diff --git a/drivers/net/ethernet/fungible/funeth/funeth_devlink.c b/drivers/net/ethernet/fungible/funeth/funeth_devlink.c
new file mode 100644
index 000000000000..a849b3c6b01f
--- /dev/null
+++ b/drivers/net/ethernet/fungible/funeth/funeth_devlink.c
@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
+
+#include "funeth.h"
+#include "funeth_devlink.h"
+
+static int fun_dl_info_get(struct devlink *dl, struct devlink_info_req *req,
+			   struct netlink_ext_ack *extack)
+{
+	int err;
+
+	err = devlink_info_driver_name_put(req, KBUILD_MODNAME);
+	if (err)
+		return err;
+
+	return 0;
+}
+
+static const struct devlink_ops fun_dl_ops = {
+	.info_get = fun_dl_info_get,
+};
+
+struct devlink *fun_devlink_alloc(struct device *dev)
+{
+	return devlink_alloc(&fun_dl_ops, sizeof(struct fun_ethdev), dev);
+}
+
+void fun_devlink_free(struct devlink *devlink)
+{
+	devlink_free(devlink);
+}
+
+void fun_devlink_register(struct devlink *devlink)
+{
+	devlink_register(devlink);
+}
+
+void fun_devlink_unregister(struct devlink *devlink)
+{
+	devlink_unregister(devlink);
+}
diff --git a/drivers/net/ethernet/fungible/funeth/funeth_devlink.h b/drivers/net/ethernet/fungible/funeth/funeth_devlink.h
new file mode 100644
index 000000000000..e40464d57ff4
--- /dev/null
+++ b/drivers/net/ethernet/fungible/funeth/funeth_devlink.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
+
+#ifndef __FUNETH_DEVLINK_H
+#define __FUNETH_DEVLINK_H
+
+#include <net/devlink.h>
+
+struct devlink *fun_devlink_alloc(struct device *dev);
+void fun_devlink_free(struct devlink *devlink);
+void fun_devlink_register(struct devlink *devlink);
+void fun_devlink_unregister(struct devlink *devlink);
+
+#endif /* __FUNETH_DEVLINK_H */
-- 
2.25.1