net: switchdev: Add extack to switchdev_handle_port_obj_add() callback

Drivers use switchdev_handle_port_obj_add() to handle recursive descent
through lower devices. Change this function prototype to take add_cb
that itself takes an extack argument. Decode extack from
switchdev_notifier_port_obj_info and pass it to add_cb.

Update mlxsw and ocelot drivers which use this helper.

Signed-off-by: Petr Machata <petrm@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Acked-by: Ivan Vecera <ivecera@redhat.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 9 insertions, 3 deletions

diff --git a/net/switchdev/switchdev.c b/net/switchdev/switchdev.c
index aa84acfb6632..5df9d1138ac9 100644
--- a/net/switchdev/switchdev.c
+++ b/net/switchdev/switchdev.c
@@ -616,16 +616,21 @@ static int __switchdev_handle_port_obj_add(struct net_device *dev,
                         bool (*check_cb)(const struct net_device *dev),
                         int (*add_cb)(struct net_device *dev,
                                       const struct switchdev_obj *obj,
-                                      struct switchdev_trans *trans))
+                                      struct switchdev_trans *trans,
+                                      struct netlink_ext_ack *extack))
 {
+        struct netlink_ext_ack *extack;
         struct net_device *lower_dev;
         struct list_head *iter;
         int err = -EOPNOTSUPP;
 
+        extack = switchdev_notifier_info_to_extack(&port_obj_info->info);
+
         if (check_cb(dev)) {
                 /* This flag is only checked if the return value is success. */
                 port_obj_info->handled = true;
-                return add_cb(dev, port_obj_info->obj, port_obj_info->trans);
+                return add_cb(dev, port_obj_info->obj, port_obj_info->trans,
+                              extack);
         }
 
         /* Switch ports might be stacked under e.g. a LAG. Ignore the
@@ -650,7 +655,8 @@ int switchdev_handle_port_obj_add(struct net_device *dev,
                         bool (*check_cb)(const struct net_device *dev),
                         int (*add_cb)(struct net_device *dev,
                                       const struct switchdev_obj *obj,
-                                      struct switchdev_trans *trans))
+                                      struct switchdev_trans *trans,
+                                      struct netlink_ext_ack *extack))
 {
         int err;