/* Protocol specific pointers */
-
+
+#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
+ struct vlan_group *vlgrp; /* VLAN group */
+#endif
#ifdef CONFIG_NET_DSA
void *dsa_ptr; /* dsa specific data */
#endif
struct timer_list watchdog_timer;
/* Number of references to this device */
- atomic_t refcnt ____cacheline_aligned_in_smp;
+ int __percpu *pcpu_refcnt;
/* delayed register/unregister */
struct list_head todo_list;
unregister_netdevice_queue(dev, NULL);
}
+extern int netdev_refcnt_read(const struct net_device *dev);
extern void free_netdev(struct net_device *dev);
extern void synchronize_net(void);
extern int register_netdevice_notifier(struct notifier_block *nb);
return dev->num_tx_queues > 1;
}
-extern void netif_set_real_num_tx_queues(struct net_device *dev,
- unsigned int txq);
+extern int netif_set_real_num_tx_queues(struct net_device *dev,
+ unsigned int txq);
#ifdef CONFIG_RPS
extern int netif_set_real_num_rx_queues(struct net_device *dev,
extern gro_result_t napi_gro_receive(struct napi_struct *napi,
struct sk_buff *skb);
extern void napi_gro_flush(struct napi_struct *napi);
-extern void napi_reuse_skb(struct napi_struct *napi,
- struct sk_buff *skb);
extern struct sk_buff * napi_get_frags(struct napi_struct *napi);
extern gro_result_t napi_frags_finish(struct napi_struct *napi,
struct sk_buff *skb,
void *rx_handler_data);
extern void netdev_rx_handler_unregister(struct net_device *dev);
-extern void netif_nit_deliver(struct sk_buff *skb);
extern int dev_valid_name(const char *name);
extern int dev_ioctl(struct net *net, unsigned int cmd, void __user *);
extern int dev_ethtool(struct net *net, struct ifreq *);
*/
static inline void dev_put(struct net_device *dev)
{
- atomic_dec(&dev->refcnt);
+ irqsafe_cpu_dec(*dev->pcpu_refcnt);
}
/**
*/
static inline void dev_hold(struct net_device *dev)
{
- atomic_inc(&dev->refcnt);
+ irqsafe_cpu_inc(*dev->pcpu_refcnt);
}
/* Carrier loss detection, dial on demand. The functions netif_carrier_on
static inline int netif_needs_gso(struct net_device *dev, struct sk_buff *skb)
{
- return skb_is_gso(skb) &&
- (!skb_gso_ok(skb, dev->features) ||
- unlikely(skb->ip_summed != CHECKSUM_PARTIAL));
+ if (skb_is_gso(skb)) {
+ int features = dev->features;
+
+ if (skb->protocol == htons(ETH_P_8021Q) || skb->vlan_tci)
+ features &= dev->vlan_features;
+
+ return (!skb_gso_ok(skb, features) ||
+ unlikely(skb->ip_summed != CHECKSUM_PARTIAL));
+ }
+
+ return 0;
}
static inline void netif_set_gso_max_size(struct net_device *dev,