/**
* @brief This function adds mshX interface
*
* @param priv A pointer to the struct lbs_private structure
* @return 0 if successful, -X otherwise
*/
int lbs_add_mesh(struct lbs_private *priv)
{
struct net_device *mesh_dev = NULL;
int ret = 0;
lbs_deb_enter(LBS_DEB_MESH);
/* Allocate a virtual mesh device */
mesh_dev = alloc_netdev(0, "msh%d", ether_setup);
if (!mesh_dev) {
lbs_deb_mesh("init mshX device failed\n");
ret = -ENOMEM;
goto done;
}
mesh_dev->ml_priv = priv;
priv->mesh_dev = mesh_dev;
mesh_dev->netdev_ops = &mesh_netdev_ops;
mesh_dev->ethtool_ops = &lbs_ethtool_ops;
memcpy(mesh_dev->dev_addr, priv->dev->dev_addr, ETH_ALEN);
SET_NETDEV_DEV(priv->mesh_dev, priv->dev->dev.parent);
#ifdef WIRELESS_EXT
mesh_dev->wireless_handlers = &mesh_handler_def;
#endif
mesh_dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
/* Register virtual mesh interface */
ret = register_netdev(mesh_dev);
if (ret) {
lbs_pr_err("cannot register mshX virtual interface\n");
goto err_free;
}
ret = sysfs_create_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group);
if (ret)
goto err_unregister;
lbs_persist_config_init(mesh_dev);
/* Everything successful */
ret = 0;
goto done;
err_unregister:
unregister_netdev(mesh_dev);
err_free:
free_netdev(mesh_dev);
done:
lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret);
return ret;
}
/**
* lbs_add_mesh - add mshX interface
*
* @priv: A pointer to the &struct lbs_private structure
* returns: 0 if successful, -X otherwise
*/
static int lbs_add_mesh(struct lbs_private *priv)
{
struct net_device *mesh_dev = NULL;
struct wireless_dev *mesh_wdev;
int ret = 0;
lbs_deb_enter(LBS_DEB_MESH);
/* Allocate a virtual mesh device */
mesh_wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
if (!mesh_wdev) {
lbs_deb_mesh("init mshX wireless device failed\n");
ret = -ENOMEM;
goto done;
}
mesh_dev = alloc_netdev(0, "msh%d", ether_setup);
if (!mesh_dev) {
lbs_deb_mesh("init mshX device failed\n");
ret = -ENOMEM;
goto err_free_wdev;
}
mesh_wdev->iftype = NL80211_IFTYPE_MESH_POINT;
mesh_wdev->wiphy = priv->wdev->wiphy;
mesh_wdev->netdev = mesh_dev;
mesh_dev->ml_priv = priv;
mesh_dev->ieee80211_ptr = mesh_wdev;
priv->mesh_dev = mesh_dev;
netdev_attach_ops(mesh_dev, &mesh_netdev_ops);
mesh_dev->ethtool_ops = &lbs_ethtool_ops;
memcpy(mesh_dev->dev_addr, priv->dev->dev_addr, ETH_ALEN);
SET_NETDEV_DEV(priv->mesh_dev, priv->dev->dev.parent);
mesh_dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
/* Register virtual mesh interface */
ret = register_netdev(mesh_dev);
if (ret) {
pr_err("cannot register mshX virtual interface\n");
goto err_free_netdev;
}
ret = sysfs_create_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group);
if (ret)
goto err_unregister;
lbs_persist_config_init(mesh_dev);
/* Everything successful */
ret = 0;
goto done;
err_unregister:
unregister_netdev(mesh_dev);
err_free_netdev:
free_netdev(mesh_dev);
err_free_wdev:
kfree(mesh_wdev);
done:
lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret);
return ret;
}