static struct vport *netdev_create(const struct vport_parms *parms)
{
struct vport *vport;
struct netdev_vport *netdev_vport;
int err;
vport = vport_alloc(sizeof(struct netdev_vport), &netdev_vport_ops, parms);
if (IS_ERR(vport)) {
err = PTR_ERR(vport);
goto error;
}
netdev_vport = netdev_vport_priv(vport);
netdev_vport->dev = dev_get_by_name(&init_net, parms->name);
if (!netdev_vport->dev) {
err = -ENODEV;
goto error_free_vport;
}
if (netdev_vport->dev->flags & IFF_LOOPBACK ||
netdev_vport->dev->type != ARPHRD_ETHER ||
is_internal_dev(netdev_vport->dev)) {
err = -EINVAL;
goto error_put;
}
err = netdev_rx_handler_register(netdev_vport->dev, netdev_frame_hook,
vport);
if (err)
goto error_put;
dev_set_promiscuity(netdev_vport->dev, 1);
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
dev_disable_lro(netdev_vport->dev);
#endif
netdev_vport->dev->priv_flags |= IFF_OVS_DATAPATH;
return vport;
error_put:
dev_put(netdev_vport->dev);
error_free_vport:
vport_free(vport);
error:
return ERR_PTR(err);
}
static struct vport *netdev_create(const char *name, const void __user *config)
{
struct vport *vport;
struct netdev_vport *netdev_vport;
int err;
vport = vport_alloc(sizeof(struct netdev_vport), &netdev_vport_ops);
if (IS_ERR(vport)) {
err = PTR_ERR(vport);
goto error;
}
netdev_vport = netdev_vport_priv(vport);
netdev_vport->dev = dev_get_by_name(&init_net, name);
if (!netdev_vport->dev) {
err = -ENODEV;
goto error_free_vport;
}
if (netdev_vport->dev->flags & IFF_LOOPBACK ||
netdev_vport->dev->type != ARPHRD_ETHER ||
is_internal_dev(netdev_vport->dev)) {
err = -EINVAL;
goto error_put;
}
/* If we are using the vport stats layer initialize it to the current
* values so we are roughly consistent with the device stats. */
if (USE_VPORT_STATS) {
struct odp_vport_stats stats;
err = netdev_get_stats(vport, &stats);
if (!err)
vport_set_stats(vport, &stats);
}
return vport;
error_put:
dev_put(netdev_vport->dev);
error_free_vport:
vport_free(vport);
error:
return ERR_PTR(err);
}
