tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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#include <linux/mutex.h>
27#include <net/mac802154.h>
28#include <net/ieee802154_netdev.h>
29
30#include "llsec.h"
31
32/* mac802154 device private data */
33struct mac802154_priv {
34 struct ieee802154_dev hw;
35 struct ieee802154_ops *ops;
36
37 /* ieee802154 phy */
38 struct wpan_phy *phy;
39
40 int open_count;
41
42 /* As in mac80211 slaves list is modified:
43 * 1) under the RTNL
44 * 2) protected by slaves_mtx;
45 * 3) in an RCU manner
46 *
47 * So atomic readers can use any of this protection methods.
48 */
49 struct list_head slaves;
50 struct mutex slaves_mtx;
51
52 /* This one is used for scanning and other jobs not to be interfered
53 * with serial driver.
54 */
55 struct workqueue_struct *dev_workqueue;
56
57 /* SoftMAC device is registered and running. One can add subinterfaces.
58 * This flag should be modified under slaves_mtx and RTNL, so you can
59 * read them using any of protection methods.
60 */
61 bool running;
62};
63
64#define MAC802154_DEVICE_STOPPED 0x00
65#define MAC802154_DEVICE_RUN 0x01
66
67/* Slave interface definition.
68 *
69 * Slaves represent typical network interfaces available from userspace.
70 * Each ieee802154 device/transceiver may have several slaves and able
71 * to be associated with several networks at the same time.
72 */
73struct mac802154_sub_if_data {
74 struct list_head list; /* the ieee802154_priv->slaves list */
75
76 struct mac802154_priv *hw;
77 struct net_device *dev;
78
79 int type;
80 bool running;
81
82 spinlock_t mib_lock;
83
84 __le16 pan_id;
85 __le16 short_addr;
86 __le64 extended_addr;
87
88 u8 chan;
89 u8 page;
90
91 struct ieee802154_mac_params mac_params;
92
93 /* MAC BSN field */
94 u8 bsn;
95 /* MAC DSN field */
96 u8 dsn;
97
98 /* protects sec from concurrent access by netlink. access by
99 * encrypt/decrypt/header_create safe without additional protection.
100 */
101 struct mutex sec_mtx;
102
103 struct mac802154_llsec sec;
104};
105
106#define mac802154_to_priv(_hw) container_of(_hw, struct mac802154_priv, hw)
107
108#define MAC802154_CHAN_NONE 0xff /* No channel is assigned */
109
110extern struct ieee802154_reduced_mlme_ops mac802154_mlme_reduced;
111extern struct ieee802154_mlme_ops mac802154_mlme_wpan;
112
113int mac802154_slave_open(struct net_device *dev);
114int mac802154_slave_close(struct net_device *dev);
115
116void mac802154_monitors_rx(struct mac802154_priv *priv, struct sk_buff *skb);
117void mac802154_monitor_setup(struct net_device *dev);
118
119void mac802154_wpans_rx(struct mac802154_priv *priv, struct sk_buff *skb);
120void mac802154_wpan_setup(struct net_device *dev);
121
122netdev_tx_t mac802154_tx(struct mac802154_priv *priv, struct sk_buff *skb,
123 u8 page, u8 chan);
124
125/* MIB callbacks */
126void mac802154_dev_set_short_addr(struct net_device *dev, __le16 val);
127__le16 mac802154_dev_get_short_addr(const struct net_device *dev);
128void mac802154_dev_set_ieee_addr(struct net_device *dev);
129__le16 mac802154_dev_get_pan_id(const struct net_device *dev);
130void mac802154_dev_set_pan_id(struct net_device *dev, __le16 val);
131void mac802154_dev_set_page_channel(struct net_device *dev, u8 page, u8 chan);
132u8 mac802154_dev_get_dsn(const struct net_device *dev);
133
134int mac802154_set_mac_params(struct net_device *dev,
135 const struct ieee802154_mac_params *params);
136void mac802154_get_mac_params(struct net_device *dev,
137 struct ieee802154_mac_params *params);
138
139int mac802154_get_params(struct net_device *dev,
140 struct ieee802154_llsec_params *params);
141int mac802154_set_params(struct net_device *dev,
142 const struct ieee802154_llsec_params *params,
143 int changed);
144
145int mac802154_add_key(struct net_device *dev,
146 const struct ieee802154_llsec_key_id *id,
147 const struct ieee802154_llsec_key *key);
148int mac802154_del_key(struct net_device *dev,
149 const struct ieee802154_llsec_key_id *id);
150
151int mac802154_add_dev(struct net_device *dev,
152 const struct ieee802154_llsec_device *llsec_dev);
153int mac802154_del_dev(struct net_device *dev, __le64 dev_addr);
154
155int mac802154_add_devkey(struct net_device *dev,
156 __le64 device_addr,
157 const struct ieee802154_llsec_device_key *key);
158int mac802154_del_devkey(struct net_device *dev,
159 __le64 device_addr,
160 const struct ieee802154_llsec_device_key *key);
161
162int mac802154_add_seclevel(struct net_device *dev,
163 const struct ieee802154_llsec_seclevel *sl);
164int mac802154_del_seclevel(struct net_device *dev,
165 const struct ieee802154_llsec_seclevel *sl);
166
167void mac802154_lock_table(struct net_device *dev);
168void mac802154_get_table(struct net_device *dev,
169 struct ieee802154_llsec_table **t);
170void mac802154_unlock_table(struct net_device *dev);
171
172#endif /* MAC802154_H */