1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __IEEE802154_6LOWPAN_I_H__ 3 #define __IEEE802154_6LOWPAN_I_H__ 4 5 #include <linux/list.h> 6 7 #include <net/ieee802154_netdev.h> 8 #include <net/inet_frag.h> 9 #include <net/6lowpan.h> 10 11 typedef unsigned __bitwise lowpan_rx_result; 12 #define RX_CONTINUE ((__force lowpan_rx_result) 0u) 13 #define RX_DROP_UNUSABLE ((__force lowpan_rx_result) 1u) 14 #define RX_DROP ((__force lowpan_rx_result) 2u) 15 #define RX_QUEUED ((__force lowpan_rx_result) 3u) 16 17 #define LOWPAN_DISPATCH_FRAG1 0xc0 18 #define LOWPAN_DISPATCH_FRAGN 0xe0 19 20 struct frag_lowpan_compare_key { 21 u16 tag; 22 u16 d_size; 23 const struct ieee802154_addr src; 24 const struct ieee802154_addr dst; 25 }; 26 27 /* Equivalent of ipv4 struct ipq 28 */ 29 struct lowpan_frag_queue { 30 struct inet_frag_queue q; 31 }; 32 33 int lowpan_frag_rcv(struct sk_buff *skb, const u8 frag_type); 34 void lowpan_net_frag_exit(void); 35 int lowpan_net_frag_init(void); 36 37 void lowpan_rx_init(void); 38 void lowpan_rx_exit(void); 39 40 int lowpan_header_create(struct sk_buff *skb, struct net_device *dev, 41 unsigned short type, const void *_daddr, 42 const void *_saddr, unsigned int len); 43 netdev_tx_t lowpan_xmit(struct sk_buff *skb, struct net_device *dev); 44 45 int lowpan_iphc_decompress(struct sk_buff *skb); 46 lowpan_rx_result lowpan_rx_h_ipv6(struct sk_buff *skb); 47 48 #endif /* __IEEE802154_6LOWPAN_I_H__ */ 49