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struct packet_type {	__be16			type;	/* This is really htons(ether_type). */	struct net_device	*dev;	/* NULL is wildcarded here	     */	int			(*func) (struct sk_buff *,					 struct net_device *,					 struct packet_type *,					 struct net_device *);	bool			(*id_match)(struct packet_type *ptype,					    struct sock *sk);	void			*af_packet_priv;	struct list_head	list;};

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