netdev - [PATCH RFC net-next v2 07/18] netdevsim: Register devlink rate leaf objects per VF

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Date:   Wed, 12 May 2021 17:48:36 +0300
From:   <dlinkin@...dia.com>
To:     <netdev@...r.kernel.org>
CC:     <davem@...emloft.net>, <kuba@...nel.org>, <jiri@...dia.com>,
        <stephen@...workplumber.org>, <dsahern@...il.com>,
        <vladbu@...dia.com>, <parav@...dia.com>, <huyn@...dia.com>,
        Dmytro Linkin <dlinkin@...dia.com>
Subject: [PATCH RFC net-next v2 07/18] netdevsim: Register devlink rate leaf objects per VF

From: Dmytro Linkin <dlinkin@...dia.com>

Register devlink rate leaf objects per VF.

Co-developed-by: Vlad Buslov <vladbu@...dia.com>
Signed-off-by: Vlad Buslov <vladbu@...dia.com>
Signed-off-by: Dmytro Linkin <dlinkin@...dia.com>
Reviewed-by: Jiri Pirko <jiri@...dia.com>
---
 drivers/net/netdevsim/dev.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/drivers/net/netdevsim/dev.c b/drivers/net/netdevsim/dev.c
index ed9ce08..356287a 100644
--- a/drivers/net/netdevsim/dev.c
+++ b/drivers/net/netdevsim/dev.c
@@ -1055,11 +1055,20 @@ static int __nsim_dev_port_add(struct nsim_dev *nsim_dev, enum nsim_dev_port_typ
 		goto err_port_debugfs_exit;
 	}
 
+	if (nsim_dev_port_is_vf(nsim_dev_port)) {
+		err = devlink_rate_leaf_create(&nsim_dev_port->devlink_port,
+					       nsim_dev_port);
+		if (err)
+			goto err_nsim_destroy;
+	}
+
 	devlink_port_type_eth_set(devlink_port, nsim_dev_port->ns->netdev);
 	list_add(&nsim_dev_port->list, &nsim_dev->port_list);
 
 	return 0;
 
+err_nsim_destroy:
+	nsim_destroy(nsim_dev_port->ns);
 err_port_debugfs_exit:
 	nsim_dev_port_debugfs_exit(nsim_dev_port);
 err_dl_port_unregister:
@@ -1074,6 +1083,8 @@ static void __nsim_dev_port_del(struct nsim_dev_port *nsim_dev_port)
 	struct devlink_port *devlink_port = &nsim_dev_port->devlink_port;
 
 	list_del(&nsim_dev_port->list);
+	if (nsim_dev_port_is_vf(nsim_dev_port))
+		devlink_rate_leaf_destroy(&nsim_dev_port->devlink_port);
 	devlink_port_type_clear(devlink_port);
 	nsim_destroy(nsim_dev_port->ns);
 	nsim_dev_port_debugfs_exit(nsim_dev_port);
-- 
1.8.3.1