extern int xfrm4_output(struct sk_buff **pskb);
extern int xfrm4_tunnel_register(struct xfrm_tunnel *handler);
extern int xfrm4_tunnel_deregister(struct xfrm_tunnel *handler);
+extern int xfrm4_tunnel_check_size(struct sk_buff *skb);
extern int xfrm6_rcv(struct sk_buff **pskb, unsigned int *nhoffp);
extern int xfrm6_tunnel_register(struct xfrm6_tunnel *handler);
extern int xfrm6_tunnel_deregister(struct xfrm6_tunnel *handler);
+extern int xfrm6_tunnel_check_size(struct sk_buff *skb);
extern u32 xfrm6_tunnel_alloc_spi(xfrm_address_t *saddr);
extern void xfrm6_tunnel_free_spi(xfrm_address_t *saddr);
extern u32 xfrm6_tunnel_spi_lookup(xfrm_address_t *saddr);
-extern int xfrm6_output(struct sk_buff **pskb);
#ifdef CONFIG_XFRM
extern int xfrm4_rcv_encap(struct sk_buff *skb, __u16 encap_type);