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 struct ieee802154_addr src;
24 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
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