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net: switchdev: Add extack to switchdev_handle_port_obj_add() callback

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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>
This commit is contained in:
Petr Machata 2018-12-12 17:02:56 +00:00 • committed by David S. Miller
parent 479c86dc55
commit 6921351359
4 changed files with 17 additions and 7 deletions
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12
net/switchdev/switchdev.c
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@ -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;