9 struct inet_frag_queue
{
10 struct hlist_node list
;
11 struct netns_frags
*net
;
12 struct list_head lru_list
; /* lru list member */
15 struct timer_list timer
; /* when will this queue expire? */
16 struct sk_buff
*fragments
; /* list of received fragments */
18 int len
; /* total length of orig datagram */
20 __u8 last_in
; /* first/last segment arrived? */
27 #define INETFRAGS_HASHSZ 64
29 struct inet_frags_ctl
{
37 struct list_head lru_list
;
38 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_frags_init_net(struct netns_frags
*nf
);
60 void inet_frag_kill(struct inet_frag_queue
*q
, struct inet_frags
*f
);
61 void inet_frag_destroy(struct inet_frag_queue
*q
,
62 struct inet_frags
*f
, int *work
);
63 int inet_frag_evictor(struct netns_frags
*nf
, struct inet_frags
*f
);
64 struct inet_frag_queue
*inet_frag_find(struct netns_frags
*nf
,
65 struct inet_frags
*f
, void *key
, unsigned int hash
);
67 static inline void inet_frag_put(struct inet_frag_queue
*q
, struct inet_frags
*f
)
69 if (atomic_dec_and_test(&q
->refcnt
))
70 inet_frag_destroy(q
, f
, NULL
);