67 lines
1.4 KiB
C
67 lines
1.4 KiB
C
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#ifndef __IEEE802154_6LOWPAN_REASSEMBLY_H__
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#define __IEEE802154_6LOWPAN_REASSEMBLY_H__
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#include <net/inet_frag.h>
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struct lowpan_create_arg {
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__be16 tag;
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u16 d_size;
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const struct ieee802154_addr *src;
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const struct ieee802154_addr *dst;
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};
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/* Equivalent of ipv4 struct ip
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*/
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struct lowpan_frag_queue {
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struct inet_frag_queue q;
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__be16 tag;
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u16 d_size;
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struct ieee802154_addr saddr;
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struct ieee802154_addr daddr;
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};
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static inline u32 ieee802154_addr_hash(const struct ieee802154_addr *a)
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{
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switch (a->addr_type) {
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case IEEE802154_ADDR_LONG:
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return (__force u32)((((u32 *)a->hwaddr))[0] ^
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((u32 *)(a->hwaddr))[1]);
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case IEEE802154_ADDR_SHORT:
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return (__force u32)(a->short_addr);
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default:
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return 0;
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}
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}
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static inline bool ieee802154_addr_addr_equal(const struct ieee802154_addr *a1,
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const struct ieee802154_addr *a2)
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{
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if (a1->pan_id != a2->pan_id)
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return false;
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if (a1->addr_type != a2->addr_type)
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return false;
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switch (a1->addr_type) {
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case IEEE802154_ADDR_LONG:
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if (memcmp(a1->hwaddr, a2->hwaddr, IEEE802154_ADDR_LEN))
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return false;
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break;
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case IEEE802154_ADDR_SHORT:
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if (a1->short_addr != a2->short_addr)
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return false;
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break;
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default:
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return false;
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}
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return true;
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}
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int lowpan_frag_rcv(struct sk_buff *skb, const u8 frag_type);
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void lowpan_net_frag_exit(void);
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int lowpan_net_frag_init(void);
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#endif /* __IEEE802154_6LOWPAN_REASSEMBLY_H__ */
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