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switchdev: Adding complete operation to deferred switchdev ops
When using switchdev deferred operation (SWITCHDEV_F_DEFER), the operation is executed in different context and the application doesn't have any way to get the operation real status. Adding a completion callback fixes that. This patch adds fields to switchdev_attr and switchdev_obj "complete_priv" field which is used by the "complete" callback. Application can set a complete function which will be called once the operation executed. Signed-off-by: Elad Raz <eladr@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -54,6 +54,8 @@ struct switchdev_attr {
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struct net_device *orig_dev;
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enum switchdev_attr_id id;
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u32 flags;
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void *complete_priv;
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void (*complete)(struct net_device *dev, int err, void *priv);
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union {
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struct netdev_phys_item_id ppid; /* PORT_PARENT_ID */
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u8 stp_state; /* PORT_STP_STATE */
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@ -75,6 +77,8 @@ struct switchdev_obj {
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struct net_device *orig_dev;
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enum switchdev_obj_id id;
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u32 flags;
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void *complete_priv;
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void (*complete)(struct net_device *dev, int err, void *priv);
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};
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/* SWITCHDEV_OBJ_ID_PORT_VLAN */
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@ -305,6 +305,8 @@ static void switchdev_port_attr_set_deferred(struct net_device *dev,
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if (err && err != -EOPNOTSUPP)
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netdev_err(dev, "failed (err=%d) to set attribute (id=%d)\n",
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err, attr->id);
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if (attr->complete)
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attr->complete(dev, err, attr->complete_priv);
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}
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static int switchdev_port_attr_set_defer(struct net_device *dev,
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@ -434,6 +436,8 @@ static void switchdev_port_obj_add_deferred(struct net_device *dev,
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if (err && err != -EOPNOTSUPP)
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netdev_err(dev, "failed (err=%d) to add object (id=%d)\n",
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err, obj->id);
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if (obj->complete)
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obj->complete(dev, err, obj->complete_priv);
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}
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static int switchdev_port_obj_add_defer(struct net_device *dev,
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@ -502,6 +506,8 @@ static void switchdev_port_obj_del_deferred(struct net_device *dev,
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if (err && err != -EOPNOTSUPP)
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netdev_err(dev, "failed (err=%d) to del object (id=%d)\n",
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err, obj->id);
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if (obj->complete)
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obj->complete(dev, err, obj->complete_priv);
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}
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static int switchdev_port_obj_del_defer(struct net_device *dev,
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