/* *		INETPEER - A storage for permanent information about peers * *  Version:	$Id: inetpeer.h,v 1.2 2002/01/12 07:54:56 davem Exp $ * *  Authors:	Andrey V. Savochkin <saw@msu.ru> */ #ifndef _NET_INETPEER_H#define _NET_INETPEER_H #include <linux/types.h>#include <linux/init.h>#include <linux/jiffies.h>#include <linux/spinlock.h>#include <asm/atomic.h> struct inet_peer{	/* group together avl_left,avl_right,v4daddr to speedup lookups */	struct inet_peer	*avl_left, *avl_right;	__be32			v4daddr;	/* peer's address */	__u16			avl_height;	__u16			ip_id_count;	/* IP ID for the next packet */	struct inet_peer	*unused_next, **unused_prevp;	__u32			dtime;		/* the time of last use of not						 * referenced entries */	atomic_t		refcnt;	atomic_t		rid;		/* Frag reception counter */	__u32			tcp_ts;	unsigned long		tcp_ts_stamp;}; void			inet_initpeers(void) __init; /* can be called with or without local BH being disabled */struct inet_peer	*inet_getpeer(__be32 daddr, int create); /* can be called from BH context or outside */extern void inet_putpeer(struct inet_peer *p); extern spinlock_t inet_peer_idlock;/* can be called with or without local BH being disabled */static inline __u16	inet_getid(struct inet_peer *p, int more){	__u16 id; 	spin_lock_bh(&inet_peer_idlock);	id = p->ip_id_count;	p->ip_id_count += 1 + more;	spin_unlock_bh(&inet_peer_idlock);	return id;} #endif /* _NET_INETPEER_H */