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1/*
2 * Copyright (C) 2007-2012 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 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
16 *
17 * Written by:
18 * Pavel Smolenskiy <pavel.smolenskiy@gmail.com>
19 * Maxim Gorbachyov <maxim.gorbachev@siemens.com>
20 * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
21 * Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
22 */
23#ifndef MAC802154_H
24#define MAC802154_H
25
26/* mac802154 device private data */
27struct mac802154_priv {
28 struct ieee802154_dev hw;
29 struct ieee802154_ops *ops;
30
31 /* ieee802154 phy */
32 struct wpan_phy *phy;
33
34 int open_count;
35
36 /* As in mac80211 slaves list is modified:
37 * 1) under the RTNL
38 * 2) protected by slaves_mtx;
39 * 3) in an RCU manner
40 *
41 * So atomic readers can use any of this protection methods.
42 */
43 struct list_head slaves;
44 struct mutex slaves_mtx;
45
46 /* This one is used for scanning and other jobs not to be interfered
47 * with serial driver.
48 */
49 struct workqueue_struct *dev_workqueue;
50
51 /* SoftMAC device is registered and running. One can add subinterfaces.
52 * This flag should be modified under slaves_mtx and RTNL, so you can
53 * read them using any of protection methods.
54 */
55 bool running;
56};
57
58#define MAC802154_DEVICE_STOPPED 0x00
59#define MAC802154_DEVICE_RUN 0x01
60
61/* Slave interface definition.
62 *
63 * Slaves represent typical network interfaces available from userspace.
64 * Each ieee802154 device/transceiver may have several slaves and able
65 * to be associated with several networks at the same time.
66 */
67struct mac802154_sub_if_data {
68 struct list_head list; /* the ieee802154_priv->slaves list */
69
70 struct mac802154_priv *hw;
71 struct net_device *dev;
72
73 int type;
74
75 spinlock_t mib_lock;
76
77 __le16 pan_id;
78 __le16 short_addr;
79
80 u8 chan;
81 u8 page;
82
83 /* MAC BSN field */
84 u8 bsn;
85 /* MAC DSN field */
86 u8 dsn;
87};
88
89#define mac802154_to_priv(_hw) container_of(_hw, struct mac802154_priv, hw)
90
91#define MAC802154_MAX_XMIT_ATTEMPTS 3
92
93#define MAC802154_CHAN_NONE (~(u8)0) /* No channel is assigned */
94
95extern struct ieee802154_reduced_mlme_ops mac802154_mlme_reduced;
96extern struct ieee802154_mlme_ops mac802154_mlme_wpan;
97
98int mac802154_slave_open(struct net_device *dev);
99int mac802154_slave_close(struct net_device *dev);
100
101void mac802154_monitors_rx(struct mac802154_priv *priv, struct sk_buff *skb);
102void mac802154_monitor_setup(struct net_device *dev);
103
104void mac802154_wpans_rx(struct mac802154_priv *priv, struct sk_buff *skb);
105void mac802154_wpan_setup(struct net_device *dev);
106
107netdev_tx_t mac802154_tx(struct mac802154_priv *priv, struct sk_buff *skb,
108 u8 page, u8 chan);
109
110/* MIB callbacks */
111void mac802154_dev_set_short_addr(struct net_device *dev, u16 val);
112u16 mac802154_dev_get_short_addr(const struct net_device *dev);
113void mac802154_dev_set_ieee_addr(struct net_device *dev);
114u16 mac802154_dev_get_pan_id(const struct net_device *dev);
115void mac802154_dev_set_pan_id(struct net_device *dev, u16 val);
116void mac802154_dev_set_page_channel(struct net_device *dev, u8 page, u8 chan);
117
118#endif /* MAC802154_H */