#include <linux/if_tr.h>
#ifdef __KERNEL__
-extern int tr_header(struct sk_buff *skb, struct net_device *dev,
- unsigned short type, void *daddr,
- void *saddr, unsigned len);
-extern int tr_rebuild_header(struct sk_buff *skb);
extern unsigned short tr_type_trans(struct sk_buff *skb, struct net_device *dev);
extern void tr_source_route(struct sk_buff *skb, struct trh_hdr *trh, struct net_device *dev);
extern struct net_device *alloc_trdev(int sizeof_priv);