]>
git.proxmox.com Git - mirror_ubuntu-zesty-kernel.git/blob - include/net/inet_frag.h
7 struct list_head lru_list
;
15 struct inet_frag_queue
{
16 struct hlist_node list
;
17 struct netns_frags
*net
;
18 struct list_head lru_list
; /* lru list member */
21 struct timer_list timer
; /* when will this queue expire? */
22 struct sk_buff
*fragments
; /* list of received fragments */
24 int len
; /* total length of orig datagram */
26 __u8 last_in
; /* first/last segment arrived? */
28 #define INET_FRAG_COMPLETE 4
29 #define INET_FRAG_FIRST_IN 2
30 #define INET_FRAG_LAST_IN 1
33 #define INETFRAGS_HASHSZ 64
36 struct hlist_head hash
[INETFRAGS_HASHSZ
];
41 struct timer_list secret_timer
;
43 unsigned int (*hashfn
)(struct inet_frag_queue
*);
44 void (*constructor
)(struct inet_frag_queue
*q
,
46 void (*destructor
)(struct inet_frag_queue
*);
47 void (*skb_free
)(struct sk_buff
*);
48 int (*match
)(struct inet_frag_queue
*q
,
50 void (*frag_expire
)(unsigned long data
);
53 void inet_frags_init(struct inet_frags
*);
54 void inet_frags_fini(struct inet_frags
*);
56 void inet_frags_init_net(struct netns_frags
*nf
);
57 void inet_frags_exit_net(struct netns_frags
*nf
, struct inet_frags
*f
);
59 void inet_frag_kill(struct inet_frag_queue
*q
, struct inet_frags
*f
);
60 void inet_frag_destroy(struct inet_frag_queue
*q
,
61 struct inet_frags
*f
, int *work
);
62 int inet_frag_evictor(struct netns_frags
*nf
, struct inet_frags
*f
);
63 struct inet_frag_queue
*inet_frag_find(struct netns_frags
*nf
,
64 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
);