linux-kernel - [PATCH net-next 1/4] net: Add cable test netdevice operations

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Date:   Wed,  1 Jul 2020 21:29:39 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     netdev@...r.kernel.org
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Michal Kubecek <mkubecek@...e.cz>,
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH net-next 1/4] net: Add cable test netdevice operations

In preparation for decoupling the ethtool cable test from the PHY
library, add definitions for two new network device operations:

* ndo_cable_test_start
* ndo_cable_test_tdr_start

In a subsequent patch we will start making use of those.

Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
---
 include/linux/netdevice.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 39e28e11863c..43f640579973 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -936,6 +936,8 @@ struct dev_ifalias {
 
 struct devlink;
 struct tlsdev_ops;
+struct phy_tdr_config;
+struct netlink_ext_ack;
 
 struct netdev_name_node {
 	struct hlist_node hlist;
@@ -1278,6 +1280,13 @@ struct netdev_net_notifier {
  * int (*ndo_tunnel_ctl)(struct net_device *dev, struct ip_tunnel_parm *p,
  *			 int cmd);
  *	Add, change, delete or get information on an IPv4 tunnel.
+ * int (*ndo_cable_test_start)(struct net_device *dev,
+ *			       struct netlink_ext_ack *extack);
+ *	Start a cable test.
+ * int (*ndo_cable_test_tdr_start)(struct net_device *dev,
+ *				   struct netlink_ext_ack *extack,
+ *				   const struct phy_tdr_config *config);
+ *	Start a raw TDR (Time Domain Reflectometry) cable test.
  */
 struct net_device_ops {
 	int			(*ndo_init)(struct net_device *dev);
@@ -1485,6 +1494,11 @@ struct net_device_ops {
 	struct devlink_port *	(*ndo_get_devlink_port)(struct net_device *dev);
 	int			(*ndo_tunnel_ctl)(struct net_device *dev,
 						  struct ip_tunnel_parm *p, int cmd);
+	int			(*ndo_cable_test_start)(struct net_device *dev,
+							struct netlink_ext_ack *exact);
+	int			(*ndo_cable_test_tdr_start)(struct net_device *dev,
+							    struct netlink_ext_ack *exact,
+							    const struct phy_tdr_config *config);
 };
 
 /**
-- 
2.25.1