|
@@ -65,71 +65,12 @@ struct inet_peer_base {
|
|
|
int total;
|
|
|
};
|
|
|
|
|
|
-#define INETPEER_BASE_BIT 0x1UL
|
|
|
-
|
|
|
-static inline struct inet_peer *inetpeer_ptr(unsigned long val)
|
|
|
-{
|
|
|
- BUG_ON(val & INETPEER_BASE_BIT);
|
|
|
- return (struct inet_peer *) val;
|
|
|
-}
|
|
|
-
|
|
|
-static inline struct inet_peer_base *inetpeer_base_ptr(unsigned long val)
|
|
|
-{
|
|
|
- if (!(val & INETPEER_BASE_BIT))
|
|
|
- return NULL;
|
|
|
- val &= ~INETPEER_BASE_BIT;
|
|
|
- return (struct inet_peer_base *) val;
|
|
|
-}
|
|
|
-
|
|
|
-static inline bool inetpeer_ptr_is_peer(unsigned long val)
|
|
|
-{
|
|
|
- return !(val & INETPEER_BASE_BIT);
|
|
|
-}
|
|
|
-
|
|
|
-static inline void __inetpeer_ptr_set_peer(unsigned long *val, struct inet_peer *peer)
|
|
|
-{
|
|
|
- /* This implicitly clears INETPEER_BASE_BIT */
|
|
|
- *val = (unsigned long) peer;
|
|
|
-}
|
|
|
-
|
|
|
-static inline bool inetpeer_ptr_set_peer(unsigned long *ptr, struct inet_peer *peer)
|
|
|
-{
|
|
|
- unsigned long val = (unsigned long) peer;
|
|
|
- unsigned long orig = *ptr;
|
|
|
-
|
|
|
- if (!(orig & INETPEER_BASE_BIT) ||
|
|
|
- cmpxchg(ptr, orig, val) != orig)
|
|
|
- return false;
|
|
|
- return true;
|
|
|
-}
|
|
|
-
|
|
|
-static inline void inetpeer_init_ptr(unsigned long *ptr, struct inet_peer_base *base)
|
|
|
-{
|
|
|
- *ptr = (unsigned long) base | INETPEER_BASE_BIT;
|
|
|
-}
|
|
|
-
|
|
|
-static inline void inetpeer_transfer_peer(unsigned long *to, unsigned long *from)
|
|
|
-{
|
|
|
- unsigned long val = *from;
|
|
|
-
|
|
|
- *to = val;
|
|
|
- if (inetpeer_ptr_is_peer(val)) {
|
|
|
- struct inet_peer *peer = inetpeer_ptr(val);
|
|
|
- atomic_inc(&peer->refcnt);
|
|
|
- }
|
|
|
-}
|
|
|
-
|
|
|
void inet_peer_base_init(struct inet_peer_base *);
|
|
|
|
|
|
void inet_initpeers(void) __init;
|
|
|
|
|
|
#define INETPEER_METRICS_NEW (~(u32) 0)
|
|
|
|
|
|
-static inline bool inet_metrics_new(const struct inet_peer *p)
|
|
|
-{
|
|
|
- return p->metrics[RTAX_LOCK-1] == INETPEER_METRICS_NEW;
|
|
|
-}
|
|
|
-
|
|
|
/* can be called with or without local BH being disabled */
|
|
|
struct inet_peer *inet_getpeer(struct inet_peer_base *base,
|
|
|
const struct inetpeer_addr *daddr,
|
|
@@ -163,12 +104,4 @@ bool inet_peer_xrlim_allow(struct inet_peer *peer, int timeout);
|
|
|
|
|
|
void inetpeer_invalidate_tree(struct inet_peer_base *);
|
|
|
|
|
|
-/*
|
|
|
- * temporary check to make sure we dont access rid, tcp_ts,
|
|
|
- * tcp_ts_stamp if no refcount is taken on inet_peer
|
|
|
- */
|
|
|
-static inline void inet_peer_refcheck(const struct inet_peer *p)
|
|
|
-{
|
|
|
- WARN_ON_ONCE(atomic_read(&p->refcnt) <= 0);
|
|
|
-}
|
|
|
#endif /* _NET_INETPEER_H */
|