* The higher levels take care of making this non-reentrant (it's
* called with bh's disabled).
*/
-static int loopback_xmit(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t loopback_xmit(struct sk_buff *skb,
+ struct net_device *dev)
{
- struct pcpu_lstats *pcpu_lstats, *lb_stats;
+ struct pcpu_lstats __percpu *pcpu_lstats;
+ struct pcpu_lstats *lb_stats;
int len;
skb_orphan(skb);
skb->protocol = eth_type_trans(skb, dev);
/* it's OK to use per_cpu_ptr() because BHs are off */
- pcpu_lstats = dev->ml_priv;
- lb_stats = per_cpu_ptr(pcpu_lstats, smp_processor_id());
+ pcpu_lstats = (void __percpu __force *)dev->ml_priv;
+ lb_stats = this_cpu_ptr(pcpu_lstats);
len = skb->len;
if (likely(netif_rx(skb) == NET_RX_SUCCESS)) {
} else
lb_stats->drops++;
- return 0;
+ return NETDEV_TX_OK;
}
static struct net_device_stats *loopback_get_stats(struct net_device *dev)
{
- const struct pcpu_lstats *pcpu_lstats;
+ const struct pcpu_lstats __percpu *pcpu_lstats;
struct net_device_stats *stats = &dev->stats;
unsigned long bytes = 0;
unsigned long packets = 0;
unsigned long drops = 0;
int i;
- pcpu_lstats = dev->ml_priv;
+ pcpu_lstats = (void __percpu __force *)dev->ml_priv;
for_each_possible_cpu(i) {
const struct pcpu_lstats *lb_stats;
static int loopback_dev_init(struct net_device *dev)
{
- struct pcpu_lstats *lstats;
+ struct pcpu_lstats __percpu *lstats;
lstats = alloc_percpu(struct pcpu_lstats);
if (!lstats)
return -ENOMEM;
- dev->ml_priv = lstats;
+ dev->ml_priv = (void __force *)lstats;
return 0;
}
static void loopback_dev_free(struct net_device *dev)
{
- struct pcpu_lstats *lstats = dev->ml_priv;
+ struct pcpu_lstats __percpu *lstats =
+ (void __percpu __force *)dev->ml_priv;
free_percpu(lstats);
free_netdev(dev);
dev->tx_queue_len = 0;
dev->type = ARPHRD_LOOPBACK; /* 0x0001*/
dev->flags = IFF_LOOPBACK;
+ dev->priv_flags &= ~IFF_XMIT_DST_RELEASE;
dev->features = NETIF_F_SG | NETIF_F_FRAGLIST
| NETIF_F_TSO
| NETIF_F_NO_CSUM
out_free_netdev:
free_netdev(dev);
out:
- if (net == &init_net)
+ if (net_eq(net, &init_net))
panic("loopback: Failed to register netdevice: %d\n", err);
return err;
}
-static __net_exit void loopback_net_exit(struct net *net)
-{
- struct net_device *dev = net->loopback_dev;
-
- unregister_netdev(dev);
-}
-
/* Registered in net/core/dev.c */
struct pernet_operations __net_initdata loopback_net_ops = {
.init = loopback_net_init,
- .exit = loopback_net_exit,
};