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diff --git a/include/net/cfg802154.h b/include/net/cfg802154.h
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1/*
2 * Copyright (C) 2007, 2008, 2009 Siemens AG
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2
6 * as published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * Written by:
14 * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
15 */
16
17#ifndef __NET_CFG802154_H
18#define __NET_CFG802154_H
19
20#include <linux/ieee802154.h>
21#include <linux/netdevice.h>
22#include <linux/mutex.h>
23#include <linux/bug.h>
24
25#include <net/nl802154.h>
26
27struct wpan_phy;
28
29struct cfg802154_ops {
30 struct net_device * (*add_virtual_intf_deprecated)(struct wpan_phy *wpan_phy,
31 const char *name,
32 int type);
33 void (*del_virtual_intf_deprecated)(struct wpan_phy *wpan_phy,
34 struct net_device *dev);
35 int (*add_virtual_intf)(struct wpan_phy *wpan_phy,
36 const char *name,
37 enum nl802154_iftype type,
38 __le64 extended_addr);
39 int (*del_virtual_intf)(struct wpan_phy *wpan_phy,
40 struct wpan_dev *wpan_dev);
41 int (*set_channel)(struct wpan_phy *wpan_phy, u8 page, u8 channel);
42 int (*set_pan_id)(struct wpan_phy *wpan_phy,
43 struct wpan_dev *wpan_dev, __le16 pan_id);
44 int (*set_short_addr)(struct wpan_phy *wpan_phy,
45 struct wpan_dev *wpan_dev, __le16 short_addr);
46 int (*set_backoff_exponent)(struct wpan_phy *wpan_phy,
47 struct wpan_dev *wpan_dev, u8 min_be,
48 u8 max_be);
49 int (*set_max_csma_backoffs)(struct wpan_phy *wpan_phy,
50 struct wpan_dev *wpan_dev,
51 u8 max_csma_backoffs);
52 int (*set_max_frame_retries)(struct wpan_phy *wpan_phy,
53 struct wpan_dev *wpan_dev,
54 s8 max_frame_retries);
55 int (*set_lbt_mode)(struct wpan_phy *wpan_phy,
56 struct wpan_dev *wpan_dev, bool mode);
57};
58
59struct wpan_phy {
60 struct mutex pib_lock;
61
62 /* If multiple wpan_phys are registered and you're handed e.g.
63 * a regular netdev with assigned ieee802154_ptr, you won't
64 * know whether it points to a wpan_phy your driver has registered
65 * or not. Assign this to something global to your driver to
66 * help determine whether you own this wpan_phy or not.
67 */
68 const void *privid;
69
70 /*
71 * This is a PIB according to 802.15.4-2011.
72 * We do not provide timing-related variables, as they
73 * aren't used outside of driver
74 */
75 u8 current_channel;
76 u8 current_page;
77 u32 channels_supported[IEEE802154_MAX_PAGE + 1];
78 s8 transmit_power;
79 u8 cca_mode;
80
81 __le64 perm_extended_addr;
82
83 s32 cca_ed_level;
84
85 /* PHY depended MAC PIB values */
86
87 /* 802.15.4 acronym: Tdsym in usec */
88 u8 symbol_duration;
89 /* lifs and sifs periods timing */
90 u16 lifs_period;
91 u16 sifs_period;
92
93 struct device dev;
94
95 char priv[0] __aligned(NETDEV_ALIGN);
96};
97
98struct wpan_dev {
99 struct wpan_phy *wpan_phy;
100 int iftype;
101
102 /* the remainder of this struct should be private to cfg802154 */
103 struct list_head list;
104 struct net_device *netdev;
105
106 u32 identifier;
107
108 /* MAC PIB */
109 __le16 pan_id;
110 __le16 short_addr;
111 __le64 extended_addr;
112
113 /* MAC BSN field */
114 u8 bsn;
115 /* MAC DSN field */
116 u8 dsn;
117
118 u8 min_be;
119 u8 max_be;
120 u8 csma_retries;
121 s8 frame_retries;
122
123 bool lbt;
124
125 bool promiscuous_mode;
126};
127
128#define to_phy(_dev) container_of(_dev, struct wpan_phy, dev)
129
130struct wpan_phy *
131wpan_phy_new(const struct cfg802154_ops *ops, size_t priv_size);
132static inline void wpan_phy_set_dev(struct wpan_phy *phy, struct device *dev)
133{
134 phy->dev.parent = dev;
135}
136
137int wpan_phy_register(struct wpan_phy *phy);
138void wpan_phy_unregister(struct wpan_phy *phy);
139void wpan_phy_free(struct wpan_phy *phy);
140/* Same semantics as for class_for_each_device */
141int wpan_phy_for_each(int (*fn)(struct wpan_phy *phy, void *data), void *data);
142
143static inline void *wpan_phy_priv(struct wpan_phy *phy)
144{
145 BUG_ON(!phy);
146 return &phy->priv;
147}
148
149struct wpan_phy *wpan_phy_find(const char *str);
150
151static inline void wpan_phy_put(struct wpan_phy *phy)
152{
153 put_device(&phy->dev);
154}
155
156static inline const char *wpan_phy_name(struct wpan_phy *phy)
157{
158 return dev_name(&phy->dev);
159}
160
161#endif /* __NET_CFG802154_H */
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