X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fnet%2Finet_frag.h;h=954def408975a13a11b6e57cbeb3624346f0328c;hb=02f014d88831f73b895c1fe09badb66c88e932d3;hp=74e9cb9b69432a2470117da75d55a5553d9e0504;hpb=5ab11c98d3a950faf6922b6166e5f8fc874590e7;p=linux-2.6

diff --git a/include/net/inet_frag.h b/include/net/inet_frag.h
index 74e9cb9b69..954def4089 100644
--- 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