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
11typedef 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
20struct frag_lowpan_compare_key {
21	u16 tag;
22	u16 d_size;
23	struct ieee802154_addr src;
24	struct ieee802154_addr dst;
25};
26
27/* Equivalent of ipv4 struct ipq
28 */
29struct lowpan_frag_queue {
30	struct inet_frag_queue	q;
31};
32
33int lowpan_frag_rcv(struct sk_buff *skb, const u8 frag_type);
34void lowpan_net_frag_exit(void);
35int lowpan_net_frag_init(void);
36
37void lowpan_rx_init(void);
38void lowpan_rx_exit(void);
39
40int 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);
43netdev_tx_t lowpan_xmit(struct sk_buff *skb, struct net_device *dev);
44
45int lowpan_iphc_decompress(struct sk_buff *skb);
46lowpan_rx_result lowpan_rx_h_ipv6(struct sk_buff *skb);
47
48#endif /* __IEEE802154_6LOWPAN_I_H__ */
49