diff options
Diffstat (limited to 'include/net/inetpeer.h')
| -rw-r--r-- | include/net/inetpeer.h | 19 |
1 files changed, 6 insertions, 13 deletions
diff --git a/include/net/inetpeer.h b/include/net/inetpeer.h index 15e1f8fe4c1f..87b1df0d4d8c 100644 --- a/include/net/inetpeer.h +++ b/include/net/inetpeer.h @@ -13,20 +13,19 @@ #include <linux/spinlock.h> #include <asm/atomic.h> -struct inet_peer -{ +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 */ + __u32 avl_height; struct list_head unused; __u32 dtime; /* the time of last use of not * referenced entries */ atomic_t refcnt; atomic_t rid; /* Frag reception counter */ + atomic_t ip_id_count; /* IP ID for the next packet */ __u32 tcp_ts; - unsigned long tcp_ts_stamp; + __u32 tcp_ts_stamp; }; void inet_initpeers(void) __init; @@ -37,17 +36,11 @@ 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; + more++; + return atomic_add_return(more, &p->ip_id_count) - more; } #endif /* _NET_INETPEER_H */ |