diff options
Diffstat (limited to 'include/net/inetpeer.h')
| -rw-r--r-- | include/net/inetpeer.h | 24 |
1 files changed, 6 insertions, 18 deletions
diff --git a/include/net/inetpeer.h b/include/net/inetpeer.h index 925573fd2aed..aa10a8178e70 100644 --- a/include/net/inetpeer.h +++ b/include/net/inetpeer.h | |||
| @@ -17,14 +17,15 @@ | |||
| 17 | 17 | ||
| 18 | struct inet_peer | 18 | struct inet_peer |
| 19 | { | 19 | { |
| 20 | /* group together avl_left,avl_right,v4daddr to speedup lookups */ | ||
| 20 | struct inet_peer *avl_left, *avl_right; | 21 | struct inet_peer *avl_left, *avl_right; |
| 21 | struct inet_peer *unused_next, **unused_prevp; | ||
| 22 | unsigned long dtime; /* the time of last use of not | ||
| 23 | * referenced entries */ | ||
| 24 | atomic_t refcnt; | ||
| 25 | __be32 v4daddr; /* peer's address */ | 22 | __be32 v4daddr; /* peer's address */ |
| 26 | __u16 avl_height; | 23 | __u16 avl_height; |
| 27 | __u16 ip_id_count; /* IP ID for the next packet */ | 24 | __u16 ip_id_count; /* IP ID for the next packet */ |
| 25 | struct inet_peer *unused_next, **unused_prevp; | ||
| 26 | __u32 dtime; /* the time of last use of not | ||
| 27 | * referenced entries */ | ||
| 28 | atomic_t refcnt; | ||
| 28 | atomic_t rid; /* Frag reception counter */ | 29 | atomic_t rid; /* Frag reception counter */ |
| 29 | __u32 tcp_ts; | 30 | __u32 tcp_ts; |
| 30 | unsigned long tcp_ts_stamp; | 31 | unsigned long tcp_ts_stamp; |
| @@ -35,21 +36,8 @@ void inet_initpeers(void) __init; | |||
| 35 | /* can be called with or without local BH being disabled */ | 36 | /* can be called with or without local BH being disabled */ |
| 36 | struct inet_peer *inet_getpeer(__be32 daddr, int create); | 37 | struct inet_peer *inet_getpeer(__be32 daddr, int create); |
| 37 | 38 | ||
| 38 | extern spinlock_t inet_peer_unused_lock; | ||
| 39 | extern struct inet_peer **inet_peer_unused_tailp; | ||
| 40 | /* can be called from BH context or outside */ | 39 | /* can be called from BH context or outside */ |
| 41 | static inline void inet_putpeer(struct inet_peer *p) | 40 | extern void inet_putpeer(struct inet_peer *p); |
| 42 | { | ||
| 43 | spin_lock_bh(&inet_peer_unused_lock); | ||
| 44 | if (atomic_dec_and_test(&p->refcnt)) { | ||
| 45 | p->unused_prevp = inet_peer_unused_tailp; | ||
| 46 | p->unused_next = NULL; | ||
| 47 | *inet_peer_unused_tailp = p; | ||
| 48 | inet_peer_unused_tailp = &p->unused_next; | ||
| 49 | p->dtime = jiffies; | ||
| 50 | } | ||
| 51 | spin_unlock_bh(&inet_peer_unused_lock); | ||
| 52 | } | ||
| 53 | 41 | ||
| 54 | extern spinlock_t inet_peer_idlock; | 42 | extern spinlock_t inet_peer_idlock; |
| 55 | /* can be called with or without local BH being disabled */ | 43 | /* can be called with or without local BH being disabled */ |
