7 struct inet_frag_queue {
8 struct hlist_node list;
9 struct netns_frags *net;
10 struct list_head lru_list; /* lru list member */
13 struct timer_list timer; /* when will this queue expire? */
14 struct sk_buff *fragments; /* list of received fragments */
16 int len; /* total length of orig datagram */
18 __u8 last_in; /* first/last segment arrived? */
25 #define INETFRAGS_HASHSZ 64
27 struct inet_frags_ctl {
35 struct list_head lru_list;
36 struct hlist_head hash[INETFRAGS_HASHSZ];
42 struct timer_list secret_timer;
43 struct inet_frags_ctl *ctl;
45 unsigned int (*hashfn)(struct inet_frag_queue *);
46 void (*constructor)(struct inet_frag_queue *q,
48 void (*destructor)(struct inet_frag_queue *);
49 void (*skb_free)(struct sk_buff *);
50 int (*match)(struct inet_frag_queue *q,
52 void (*frag_expire)(unsigned long data);
55 void inet_frags_init(struct inet_frags *);
56 void inet_frags_fini(struct inet_frags *);
58 void inet_frag_kill(struct inet_frag_queue *q, struct inet_frags *f);
59 void inet_frag_destroy(struct inet_frag_queue *q,
60 struct inet_frags *f, int *work);
61 int inet_frag_evictor(struct inet_frags *f);
62 struct inet_frag_queue *inet_frag_find(struct netns_frags *nf,
63 struct inet_frags *f, void *key, unsigned int hash);
65 static inline void inet_frag_put(struct inet_frag_queue *q, struct inet_frags *f)
67 if (atomic_dec_and_test(&q->refcnt))
68 inet_frag_destroy(q, f, NULL);