#ifndef _NET_DST_OPS_H #define _NET_DST_OPS_H #include <linux/types.h> struct dst_entry; struct kmem_cachep; struct net_device; struct sk_buff; struct dst_ops { unsigned short family; __be16 protocol; unsigned gc_thresh; int (*gc)(struct dst_ops *ops); struct dst_entry * (*check)(struct dst_entry *, __u32 cookie); void (*destroy)(struct dst_entry *); void (*ifdown)(struct dst_entry *, struct net_device *dev, int how); struct dst_entry * (*negative_advice)(struct dst_entry *); void (*link_failure)(struct sk_buff *); void (*update_pmtu)(struct dst_entry *dst, u32 mtu); int (*local_out)(struct sk_buff *skb); atomic_t entries; struct kmem_cache *kmem_cachep; }; #endif