net: Add init_dummy_netdev() and fix EMAC driver using it

[net-next-2.6.git] / include / linux / netdevice.h

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 41e1224651cf98dacc97acf74d999a7c89233ec4..ec54785d34f90904224afe17a2713a8f32ed05ba 100644 (file)
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -313,10 +313,11 @@ struct napi_struct {
 #ifdef CONFIG_NETPOLL
        spinlock_t              poll_lock;
        int                     poll_owner;
-       struct net_device       *dev;
 #endif
+       struct net_device       *dev;
        struct list_head        dev_list;
        struct sk_buff          *gro_list;
+       struct sk_buff          *skb;
 };
 
 enum
@@ -466,7 +467,7 @@ struct netdev_queue {
  *     This function is called when network device transistions to the down
  *     state.
  *
- * int (*ndo_hard_start_xmit)(struct sk_buff *skb, struct net_device *dev);
+ * int (*ndo_start_xmit)(struct sk_buff *skb, struct net_device *dev);
  *     Called when a packet needs to be transmitted.
  *     Must return NETDEV_TX_OK , NETDEV_TX_BUSY, or NETDEV_TX_LOCKED,
  *     Required can not be NULL.
@@ -794,6 +795,7 @@ struct net_device
               NETREG_UNREGISTERING,    /* called unregister_netdevice */
               NETREG_UNREGISTERED,     /* completed unregister todo */
               NETREG_RELEASED,         /* called free_netdev */
+              NETREG_DUMMY,            /* dummy device for NAPI poll */
        } reg_state;
 
        /* Called from unregister, can be used to call free_netdev */
@@ -990,6 +992,9 @@ struct napi_gro_cb {
 
        /* Number of segments aggregated. */
        int count;
+
+       /* Free the skb? */
+       int free;
 };
 
 #define NAPI_GRO_CB(skb) ((struct napi_gro_cb *)(skb)->cb)
@@ -1011,6 +1016,14 @@ struct packet_type {
        struct list_head        list;
 };
 
+struct napi_gro_fraginfo {
+       skb_frag_t frags[MAX_SKB_FRAGS];
+       unsigned int nr_frags;
+       unsigned int ip_summed;
+       unsigned int len;
+       __wsum csum;
+};
+
 #include <linux/interrupt.h>
 #include <linux/notifier.h>
 
@@ -1065,6 +1078,8 @@ extern void               free_netdev(struct net_device *dev);
 extern void            synchronize_net(void);
 extern int             register_netdevice_notifier(struct notifier_block *nb);
 extern int             unregister_netdevice_notifier(struct notifier_block *nb);
+extern int             init_dummy_netdev(struct net_device *dev);
+
 extern int call_netdevice_notifiers(unsigned long val, struct net_device *dev);
 extern struct net_device       *dev_get_by_index(struct net *net, int ifindex);
 extern struct net_device       *__dev_get_by_index(struct net *net, int ifindex);
@@ -1113,9 +1128,6 @@ struct softnet_data
        struct sk_buff          *completion_queue;
 
        struct napi_struct      backlog;
-#ifdef CONFIG_NET_DMA
-       struct dma_chan         *net_dma;
-#endif
 };
 
 DECLARE_PER_CPU(struct softnet_data,softnet_data);
@@ -1361,8 +1373,16 @@ extern int               netif_rx_ni(struct sk_buff *skb);
 #define HAVE_NETIF_RECEIVE_SKB 1
 extern int             netif_receive_skb(struct sk_buff *skb);
 extern void            napi_gro_flush(struct napi_struct *napi);
+extern int             dev_gro_receive(struct napi_struct *napi,
+                                       struct sk_buff *skb);
 extern int             napi_gro_receive(struct napi_struct *napi,
                                         struct sk_buff *skb);
+extern void            napi_reuse_skb(struct napi_struct *napi,
+                                      struct sk_buff *skb);
+extern struct sk_buff *        napi_fraginfo_skb(struct napi_struct *napi,
+                                         struct napi_gro_fraginfo *info);
+extern int             napi_gro_frags(struct napi_struct *napi,
+                                      struct napi_gro_fraginfo *info);
 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 *);