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1 #ifndef __IEEE802154_6LOWPAN_REASSEMBLY_H__
2 #define __IEEE802154_6LOWPAN_REASSEMBLY_H__
3 
4 #include <net/inet_frag.h>
5 
6 struct lowpan_create_arg {
7 	__be16 tag;
8 	u16 d_size;
9 	const struct ieee802154_addr *src;
10 	const struct ieee802154_addr *dst;
11 };
12 
13 /* Equivalent of ipv4 struct ip
14  */
15 struct lowpan_frag_queue {
16 	struct inet_frag_queue	q;
17 
18 	__be16			tag;
19 	u16			d_size;
20 	struct ieee802154_addr	saddr;
21 	struct ieee802154_addr	daddr;
22 };
23 
ieee802154_addr_hash(const struct ieee802154_addr * a)24 static inline u32 ieee802154_addr_hash(const struct ieee802154_addr *a)
25 {
26 	switch (a->mode) {
27 	case IEEE802154_ADDR_LONG:
28 		return (((__force u64)a->extended_addr) >> 32) ^
29 			(((__force u64)a->extended_addr) & 0xffffffff);
30 	case IEEE802154_ADDR_SHORT:
31 		return (__force u32)(a->short_addr);
32 	default:
33 		return 0;
34 	}
35 }
36 
37 int lowpan_frag_rcv(struct sk_buff *skb, const u8 frag_type);
38 void lowpan_net_frag_exit(void);
39 int lowpan_net_frag_init(void);
40 
41 #endif /* __IEEE802154_6LOWPAN_REASSEMBLY_H__ */
42