1#ifndef __IEEE802154_6LOWPAN_I_H__ 2#define __IEEE802154_6LOWPAN_I_H__ 3 4#include <linux/list.h> 5 6#include <net/ieee802154_netdev.h> 7#include <net/inet_frag.h> 8#include <net/6lowpan.h> 9 10typedef unsigned __bitwise__ lowpan_rx_result; 11#define RX_CONTINUE ((__force lowpan_rx_result) 0u) 12#define RX_DROP_UNUSABLE ((__force lowpan_rx_result) 1u) 13#define RX_DROP ((__force lowpan_rx_result) 2u) 14#define RX_QUEUED ((__force lowpan_rx_result) 3u) 15 16#define LOWPAN_DISPATCH_FRAG1 0xc0 17#define LOWPAN_DISPATCH_FRAGN 0xe0 18 19struct lowpan_create_arg { 20 u16 tag; 21 u16 d_size; 22 const struct ieee802154_addr *src; 23 const struct ieee802154_addr *dst; 24}; 25 26/* Equivalent of ipv4 struct ip 27 */ 28struct lowpan_frag_queue { 29 struct inet_frag_queue q; 30 31 u16 tag; 32 u16 d_size; 33 struct ieee802154_addr saddr; 34 struct ieee802154_addr daddr; 35}; 36 37static inline u32 ieee802154_addr_hash(const struct ieee802154_addr *a) 38{ 39 switch (a->mode) { 40 case IEEE802154_ADDR_LONG: 41 return (((__force u64)a->extended_addr) >> 32) ^ 42 (((__force u64)a->extended_addr) & 0xffffffff); 43 case IEEE802154_ADDR_SHORT: 44 return (__force u32)(a->short_addr + (a->pan_id << 16)); 45 default: 46 return 0; 47 } 48} 49 50int lowpan_frag_rcv(struct sk_buff *skb, const u8 frag_type); 51void lowpan_net_frag_exit(void); 52int lowpan_net_frag_init(void); 53 54void lowpan_rx_init(void); 55void lowpan_rx_exit(void); 56 57int lowpan_header_create(struct sk_buff *skb, struct net_device *dev, 58 unsigned short type, const void *_daddr, 59 const void *_saddr, unsigned int len); 60netdev_tx_t lowpan_xmit(struct sk_buff *skb, struct net_device *dev); 61 62int lowpan_iphc_decompress(struct sk_buff *skb); 63lowpan_rx_result lowpan_rx_h_ipv6(struct sk_buff *skb); 64 65#endif /* __IEEE802154_6LOWPAN_I_H__ */ 66