rapidio: add relation links between RIO device structures

[pandora-kernel.git] / include / linux / netdevice.h

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 4160db3..fcd3dda 100644 (file)
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -942,7 +942,10 @@ struct net_device {
 
 
        /* 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
@@ -1026,7 +1029,7 @@ struct net_device {
        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;
@@ -1330,6 +1333,7 @@ static inline void unregister_netdevice(struct net_device *dev)
        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);
@@ -1695,8 +1699,8 @@ static inline int netif_is_multiqueue(const struct net_device *dev)
        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,
@@ -1744,8 +1748,6 @@ extern gro_result_t       napi_skb_finish(gro_result_t ret, struct sk_buff *skb);
 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,
@@ -1764,7 +1766,6 @@ extern int netdev_rx_handler_register(struct net_device *dev,
                                      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 *);
@@ -1798,7 +1799,7 @@ extern void netdev_run_todo(void);
  */
 static inline void dev_put(struct net_device *dev)
 {
-       atomic_dec(&dev->refcnt);
+       irqsafe_cpu_dec(*dev->pcpu_refcnt);
 }
 
 /**
@@ -1809,7 +1810,7 @@ static inline void dev_put(struct net_device *dev)
  */
 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
@@ -2247,9 +2248,17 @@ static inline int skb_gso_ok(struct sk_buff *skb, int features)
 
 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,