[NETFILTER]: nf_queue: move list_head/skb/id to struct nf_info

[linux-2.6] / include / net / inet_frag.h

diff --git a/include/net/inet_frag.h b/include/net/inet_frag.h
index 74e9cb9b69432a2470117da75d55a5553d9e0504..954def408975a13a11b6e57cbeb3624346f0328c 100644 (file)
--- a/include/net/inet_frag.h
+++ b/include/net/inet_frag.h
@@ -18,4 +18,50 @@ struct inet_frag_queue {
 #define LAST_IN                        1
 };
 
+#define INETFRAGS_HASHSZ               64
+
+struct inet_frags_ctl {
+       int high_thresh;
+       int low_thresh;
+       int timeout;
+       int secret_interval;
+};
+
+struct inet_frags {
+       struct list_head        lru_list;
+       struct hlist_head       hash[INETFRAGS_HASHSZ];
+       rwlock_t                lock;
+       u32                     rnd;
+       int                     nqueues;
+       int                     qsize;
+       atomic_t                mem;
+       struct timer_list       secret_timer;
+       struct inet_frags_ctl   *ctl;
+
+       unsigned int            (*hashfn)(struct inet_frag_queue *);
+       void                    (*constructor)(struct inet_frag_queue *q,
+                                               void *arg);
+       void                    (*destructor)(struct inet_frag_queue *);
+       void                    (*skb_free)(struct sk_buff *);
+       int                     (*match)(struct inet_frag_queue *q,
+                                               void *arg);
+       void                    (*frag_expire)(unsigned long data);
+};
+
+void inet_frags_init(struct inet_frags *);
+void inet_frags_fini(struct inet_frags *);
+
+void inet_frag_kill(struct inet_frag_queue *q, struct inet_frags *f);
+void inet_frag_destroy(struct inet_frag_queue *q,
+                               struct inet_frags *f, int *work);
+int inet_frag_evictor(struct inet_frags *f);
+struct inet_frag_queue *inet_frag_find(struct inet_frags *f, void *key,
+               unsigned int hash);
+
+static inline void inet_frag_put(struct inet_frag_queue *q, struct inet_frags *f)
+{
+       if (atomic_dec_and_test(&q->refcnt))
+               inet_frag_destroy(q, f, NULL);
+}
+
 #endif