ieee802154_netdev.h (376b7bd3558eaf12d3e5c24aa71d0c162d2701fd) ieee802154_netdev.h (46ef0eb3ea65e7043aac17cb92982be879c65366)
1/*
2 * An interface between IEEE802.15.4 device and rest of the kernel.
3 *
4 * Copyright (C) 2007-2012 Siemens AG
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2
8 * as published by the Free Software Foundation.

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24 * Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
25 */
26
27#ifndef IEEE802154_NETDEVICE_H
28#define IEEE802154_NETDEVICE_H
29
30#include <net/af_ieee802154.h>
31
1/*
2 * An interface between IEEE802.15.4 device and rest of the kernel.
3 *
4 * Copyright (C) 2007-2012 Siemens AG
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2
8 * as published by the Free Software Foundation.

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24 * Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
25 */
26
27#ifndef IEEE802154_NETDEVICE_H
28#define IEEE802154_NETDEVICE_H
29
30#include <net/af_ieee802154.h>
31
32struct ieee802154_addr {
33 u8 mode;
34 __le16 pan_id;
35 union {
36 __le16 short_addr;
37 __le64 extended_addr;
38 };
39};
40
41static inline bool ieee802154_addr_equal(const struct ieee802154_addr *a1,
42 const struct ieee802154_addr *a2)
43{
44 if (a1->pan_id != a2->pan_id || a1->mode != a2->mode)
45 return false;
46
47 if ((a1->mode == IEEE802154_ADDR_LONG &&
48 a1->extended_addr != a2->extended_addr) ||
49 (a1->mode == IEEE802154_ADDR_SHORT &&
50 a1->short_addr != a2->short_addr))
51 return false;
52
53 return true;
54}
55
56static inline __le64 ieee802154_devaddr_from_raw(const void *raw)
57{
58 u64 temp;
59
60 memcpy(&temp, raw, IEEE802154_ADDR_LEN);
61 return (__force __le64)swab64(temp);
62}
63
64static inline void ieee802154_devaddr_to_raw(void *raw, __le64 addr)
65{
66 u64 temp = swab64((__force u64)addr);
67
68 memcpy(raw, &temp, IEEE802154_ADDR_LEN);
69}
70
71static inline void ieee802154_addr_from_sa(struct ieee802154_addr *a,
72 const struct ieee802154_addr_sa *sa)
73{
74 a->mode = sa->addr_type;
75 a->pan_id = cpu_to_le16(sa->pan_id);
76
77 switch (a->mode) {
78 case IEEE802154_ADDR_SHORT:
79 a->short_addr = cpu_to_le16(sa->short_addr);
80 break;
81 case IEEE802154_ADDR_LONG:
82 a->extended_addr = ieee802154_devaddr_from_raw(sa->hwaddr);
83 break;
84 }
85}
86
87static inline void ieee802154_addr_to_sa(struct ieee802154_addr_sa *sa,
88 const struct ieee802154_addr *a)
89{
90 sa->addr_type = a->mode;
91 sa->pan_id = le16_to_cpu(a->pan_id);
92
93 switch (a->mode) {
94 case IEEE802154_ADDR_SHORT:
95 sa->short_addr = le16_to_cpu(a->short_addr);
96 break;
97 case IEEE802154_ADDR_LONG:
98 ieee802154_devaddr_to_raw(sa->hwaddr, a->extended_addr);
99 break;
100 }
101}
102
103
32struct ieee802154_frag_info {
33 __be16 d_tag;
34 u16 d_size;
35 u8 d_offset;
36};
37
38/*
39 * A control block of skb passed between the ARPHRD_IEEE802154 device

--- 109 unchanged lines hidden --- 		104struct ieee802154_frag_info {
105 __be16 d_tag;
106 u16 d_size;
107 u8 d_offset;
108};
109
110/*
111 * A control block of skb passed between the ARPHRD_IEEE802154 device

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