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
);
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