335 struct napi_struct {  struct
348 	int			(*poll)(struct napi_struct *, int);  argument
350 	int			poll_owner;
352 	struct net_device	*dev;
353 	struct gro_list		gro_hash[GRO_HASH_BUCKETS];
354 	struct sk_buff		*skb;
355 	struct list_head	rx_list; /* Pending GRO_NORMAL skbs */
356 	int			rx_count; /* length of rx_list */
357 	struct hrtimer		timer;
358 	struct list_head	dev_list;
359 	struct hlist_node	napi_hash_node;
360 	unsigned int		napi_id;
361 	struct task_struct	*thread;
2563 	       int (*poll)(struct napi_struct *, int))  in netif_napi_add()  argument
2571 			 int (*poll)(struct napi_struct *, int),  in netif_napi_add_tx_weight()  argument
2590 				     int (*poll)(struct napi_struct *, int))  in netif_napi_add_tx()  argument