inetpeer: get rid of ip_id_count

[deliverable/linux.git] / include / net / inetpeer.h

diff --git a/include/net/inetpeer.h b/include/net/inetpeer.h
index 6efe73c79c526d5ebb0cddc09cd45df41aee73cb..823ec7bb9c672c594a91699d0681f62efcbb95be 100644 (file)
--- a/include/net/inetpeer.h
+++ b/include/net/inetpeer.h
@@ -41,14 +41,13 @@ struct inet_peer {
                struct rcu_head     gc_rcu;
        };
        /*
-        * Once inet_peer is queued for deletion (refcnt == -1), following fields
-        * are not available: rid, ip_id_count
+        * Once inet_peer is queued for deletion (refcnt == -1), following field
+        * is not available: rid
         * We can share memory with rcu_head to help keep inet_peer small.
         */
        union {
                struct {
                        atomic_t                        rid;            /* Frag reception counter */
-                       atomic_t                        ip_id_count;    /* IP ID for the next packet */
                };
                struct rcu_head         rcu;
                struct inet_peer        *gc_next;
@@ -165,7 +164,7 @@ 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, ip_id_count, tcp_ts,
+ * 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)
@@ -173,20 +172,4 @@ static inline void inet_peer_refcheck(const struct inet_peer *p)
        WARN_ON_ONCE(atomic_read(&p->refcnt) <= 0);
 }
 
-
-/* can be called with or without local BH being disabled */
-static inline int inet_getid(struct inet_peer *p, int more)
-{
-       int old, new;
-       more++;
-       inet_peer_refcheck(p);
-       do {
-               old = atomic_read(&p->ip_id_count);
-               new = old + more;
-               if (!new)
-                       new = 1;
-       } while (atomic_cmpxchg(&p->ip_id_count, old, new) != old);
-       return new;
-}
-
 #endif /* _NET_INETPEER_H */