aboutsummaryrefslogtreecommitdiffstats
path: root/net/mac802154/mac802154.h
blob: 762a6f849c6b7d3edf3e8677ee6f2081c10c8fac (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
/*
 * Copyright (C) 2007-2012 Siemens AG
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Written by:
 * Pavel Smolenskiy <pavel.smolenskiy@gmail.com>
 * Maxim Gorbachyov <maxim.gorbachev@siemens.com>
 * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
 * Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
 */
#ifndef MAC802154_H
#define MAC802154_H

#include <linux/mutex.h>
#include <net/mac802154.h>
#include <net/ieee802154_netdev.h>

#include "llsec.h"

/* mac802154 device private data */
struct mac802154_priv {
	struct ieee802154_dev hw;
	struct ieee802154_ops *ops;

	/* ieee802154 phy */
	struct wpan_phy *phy;

	int open_count;

	/* As in mac80211 slaves list is modified:
	 * 1) under the RTNL
	 * 2) protected by slaves_mtx;
	 * 3) in an RCU manner
	 *
	 * So atomic readers can use any of this protection methods.
	 */
	struct list_head	slaves;
	struct mutex		slaves_mtx;

	/* This one is used for scanning and other jobs not to be interfered
	 * with serial driver.
	 */
	struct workqueue_struct	*dev_workqueue;

	/* SoftMAC device is registered and running. One can add subinterfaces.
	 * This flag should be modified under slaves_mtx and RTNL, so you can
	 * read them using any of protection methods.
	 */
	bool running;
};

#define	MAC802154_DEVICE_STOPPED	0x00
#define MAC802154_DEVICE_RUN		0x01

/* Slave interface definition.
 *
 * Slaves represent typical network interfaces available from userspace.
 * Each ieee802154 device/transceiver may have several slaves and able
 * to be associated with several networks at the same time.
 */
struct mac802154_sub_if_data {
	struct list_head list; /* the ieee802154_priv->slaves list */

	struct mac802154_priv *hw;
	struct net_device *dev;

	int type;
	bool running;

	spinlock_t mib_lock;

	__le16 pan_id;
	__le16 short_addr;
	__le64 extended_addr;

	u8 chan;
	u8 page;

	struct ieee802154_mac_params mac_params;

	/* MAC BSN field */
	u8 bsn;
	/* MAC DSN field */
	u8 dsn;

	/* protects sec from concurrent access by netlink. access by
	 * encrypt/decrypt/header_create safe without additional protection.
	 */
	struct mutex sec_mtx;

	struct mac802154_llsec sec;
};

#define mac802154_to_priv(_hw)	container_of(_hw, struct mac802154_priv, hw)

#define MAC802154_CHAN_NONE		0xff /* No channel is assigned */

extern struct ieee802154_reduced_mlme_ops mac802154_mlme_reduced;
extern struct ieee802154_mlme_ops mac802154_mlme_wpan;

int mac802154_slave_open(struct net_device *dev);
int mac802154_slave_close(struct net_device *dev);

void mac802154_monitors_rx(struct mac802154_priv *priv, struct sk_buff *skb);
void mac802154_monitor_setup(struct net_device *dev);

void mac802154_wpans_rx(struct mac802154_priv *priv, struct sk_buff *skb);
void mac802154_wpan_setup(struct net_device *dev);

netdev_tx_t mac802154_tx(struct mac802154_priv *priv, struct sk_buff *skb,
			 u8 page, u8 chan);

/* MIB callbacks */
void mac802154_dev_set_short_addr(struct net_device *dev, __le16 val);
__le16 mac802154_dev_get_short_addr(const struct net_device *dev);
void mac802154_dev_set_ieee_addr(struct net_device *dev);
__le16 mac802154_dev_get_pan_id(const struct net_device *dev);
void mac802154_dev_set_pan_id(struct net_device *dev, __le16 val);
void mac802154_dev_set_page_channel(struct net_device *dev, u8 page, u8 chan);
u8 mac802154_dev_get_dsn(const struct net_device *dev);

int mac802154_set_mac_params(struct net_device *dev,
			     const struct ieee802154_mac_params *params);
void mac802154_get_mac_params(struct net_device *dev,
			      struct ieee802154_mac_params *params);

int mac802154_get_params(struct net_device *dev,
			 struct ieee802154_llsec_params *params);
int mac802154_set_params(struct net_device *dev,
			 const struct ieee802154_llsec_params *params,
			 int changed);

int mac802154_add_key(struct net_device *dev,
		      const struct ieee802154_llsec_key_id *id,
		      const struct ieee802154_llsec_key *key);
int mac802154_del_key(struct net_device *dev,
		      const struct ieee802154_llsec_key_id *id);

int mac802154_add_dev(struct net_device *dev,
		      const struct ieee802154_llsec_device *llsec_dev);
int mac802154_del_dev(struct net_device *dev, __le64 dev_addr);

int mac802154_add_devkey(struct net_device *dev,
			 __le64 device_addr,
			 const struct ieee802154_llsec_device_key *key);
int mac802154_del_devkey(struct net_device *dev,
			 __le64 device_addr,
			 const struct ieee802154_llsec_device_key *key);

int mac802154_add_seclevel(struct net_device *dev,
			   const struct ieee802154_llsec_seclevel *sl);
int mac802154_del_seclevel(struct net_device *dev,
			   const struct ieee802154_llsec_seclevel *sl);

void mac802154_lock_table(struct net_device *dev);
void mac802154_get_table(struct net_device *dev,
			 struct ieee802154_llsec_table **t);
void mac802154_unlock_table(struct net_device *dev);

#endif /* MAC802154_H */