text: /* SPDX-License-Identifier: GPL-2.0 */
  #ifndef __IEEE802154_6LOWPAN_I_H__
  #define __IEEE802154_6LOWPAN_I_H__
  
  #include <linux/list.h>
  
  #include <net/ieee802154_netdev.h>
  #include <net/inet_frag.h>
  #include <net/6lowpan.h>
  
  typedef unsigned __bitwise lowpan_rx_result;
  #define RX_CONTINUE		((__force lowpan_rx_result) 0u)
  #define RX_DROP_UNUSABLE	((__force lowpan_rx_result) 1u)
  #define RX_DROP			((__force lowpan_rx_result) 2u)
  #define RX_QUEUED		((__force lowpan_rx_result) 3u)
  
  #define LOWPAN_DISPATCH_FRAG1           0xc0
  #define LOWPAN_DISPATCH_FRAGN           0xe0
  
  struct frag_lowpan_compare_key {
  	u16 tag;
  	u16 d_size;
  	struct ieee802154_addr src;
  	struct ieee802154_addr dst;
  };
  
  /* Equivalent of ipv4 struct ipq
   */
  struct lowpan_frag_queue {
  	struct inet_frag_queue	q;
  };
  
  int lowpan_frag_rcv(struct sk_buff *skb, const u8 frag_type);
  void lowpan_net_frag_exit(void);
  int lowpan_net_frag_init(void);
  
  void lowpan_rx_init(void);
  void lowpan_rx_exit(void);
  
  int lowpan_header_create(struct sk_buff *skb, struct net_device *dev,
  			 unsigned short type, const void *_daddr,
  			 const void *_saddr, unsigned int len);
  netdev_tx_t lowpan_xmit(struct sk_buff *skb, struct net_device *dev);
  
  int lowpan_iphc_decompress(struct sk_buff *skb);
  lowpan_rx_result lowpan_rx_h_ipv6(struct sk_buff *skb);
  
  #endif /* __IEEE802154_6LOWPAN_I_H__ */
  