net: replace hooks in __netif_receive_skb V5
What this patch does is it removes two receive frame hooks (for bridge and for
macvlan) from __netif_receive_skb. These are replaced them with a single
hook for both. It only supports one hook per device because it makes no
sense to do bridging and macvlan on the same device.
Then a network driver (of virtual netdev like macvlan or bridge) can register
an rx_handler for needed net device.
Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index bd6b753..5156b80 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -381,6 +381,8 @@
};
typedef enum gro_result gro_result_t;
+typedef struct sk_buff *rx_handler_func_t(struct sk_buff *skb);
+
extern void __napi_schedule(struct napi_struct *n);
static inline int napi_disable_pending(struct napi_struct *n)
@@ -957,6 +959,7 @@
#endif
struct netdev_queue rx_queue;
+ rx_handler_func_t *rx_handler;
struct netdev_queue *_tx ____cacheline_aligned_in_smp;
@@ -1689,6 +1692,10 @@
napi->skb = NULL;
}
+extern int netdev_rx_handler_register(struct net_device *dev,
+ rx_handler_func_t *rx_handler);
+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 *);