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 10 typedef 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 19 struct 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 */ 28 struct 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 37 static 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 50 int lowpan_frag_rcv(struct sk_buff *skb, const u8 frag_type); 51 void lowpan_net_frag_exit(void); 52 int lowpan_net_frag_init(void); 53 54 void lowpan_rx_init(void); 55 void lowpan_rx_exit(void); 56 57 int 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); 60 netdev_tx_t lowpan_xmit(struct sk_buff *skb, struct net_device *dev); 61 62 int lowpan_iphc_decompress(struct sk_buff *skb); 63 lowpan_rx_result lowpan_rx_h_ipv6(struct sk_buff *skb); 64 65 #endif /* __IEEE802154_6LOWPAN_I_H__ */ 66