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Linux kernel mirror (for testing)
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1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright (C) 2007-2012 Siemens AG
4 *
5 * Written by:
6 * Pavel Smolenskiy <pavel.smolenskiy@gmail.com>
7 * Maxim Gorbachyov <maxim.gorbachev@siemens.com>
8 * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
9 * Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
10 */
11#ifndef __IEEE802154_I_H
12#define __IEEE802154_I_H
13
14#include <linux/interrupt.h>
15#include <linux/mutex.h>
16#include <linux/hrtimer.h>
17#include <net/cfg802154.h>
18#include <net/mac802154.h>
19#include <net/nl802154.h>
20#include <net/ieee802154_netdev.h>
21
22#include "llsec.h"
23
24/* mac802154 device private data */
25struct ieee802154_local {
26 struct ieee802154_hw hw;
27 const struct ieee802154_ops *ops;
28
29 /* ieee802154 phy */
30 struct wpan_phy *phy;
31
32 int open_count;
33
34 /* As in mac80211 slaves list is modified:
35 * 1) under the RTNL
36 * 2) protected by slaves_mtx;
37 * 3) in an RCU manner
38 *
39 * So atomic readers can use any of this protection methods.
40 */
41 struct list_head interfaces;
42 struct mutex iflist_mtx;
43
44 /* This one is used for scanning and other jobs not to be interfered
45 * with serial driver.
46 */
47 struct workqueue_struct *workqueue;
48
49 struct hrtimer ifs_timer;
50
51 bool started;
52 bool suspended;
53
54 struct tasklet_struct tasklet;
55 struct sk_buff_head skb_queue;
56
57 struct sk_buff *tx_skb;
58 struct work_struct tx_work;
59 /* A negative Linux error code or a null/positive MLME error status */
60 int tx_result;
61};
62
63enum {
64 IEEE802154_RX_MSG = 1,
65};
66
67enum ieee802154_sdata_state_bits {
68 SDATA_STATE_RUNNING,
69};
70
71/* Slave interface definition.
72 *
73 * Slaves represent typical network interfaces available from userspace.
74 * Each ieee802154 device/transceiver may have several slaves and able
75 * to be associated with several networks at the same time.
76 */
77struct ieee802154_sub_if_data {
78 struct list_head list; /* the ieee802154_priv->slaves list */
79
80 struct wpan_dev wpan_dev;
81
82 struct ieee802154_local *local;
83 struct net_device *dev;
84
85 unsigned long state;
86 char name[IFNAMSIZ];
87
88 /* protects sec from concurrent access by netlink. access by
89 * encrypt/decrypt/header_create safe without additional protection.
90 */
91 struct mutex sec_mtx;
92
93 struct mac802154_llsec sec;
94};
95
96/* utility functions/constants */
97extern const void *const mac802154_wpan_phy_privid; /* for wpan_phy privid */
98
99static inline struct ieee802154_local *
100hw_to_local(struct ieee802154_hw *hw)
101{
102 return container_of(hw, struct ieee802154_local, hw);
103}
104
105static inline struct ieee802154_sub_if_data *
106IEEE802154_DEV_TO_SUB_IF(const struct net_device *dev)
107{
108 return netdev_priv(dev);
109}
110
111static inline struct ieee802154_sub_if_data *
112IEEE802154_WPAN_DEV_TO_SUB_IF(struct wpan_dev *wpan_dev)
113{
114 return container_of(wpan_dev, struct ieee802154_sub_if_data, wpan_dev);
115}
116
117static inline bool
118ieee802154_sdata_running(struct ieee802154_sub_if_data *sdata)
119{
120 return test_bit(SDATA_STATE_RUNNING, &sdata->state);
121}
122
123extern struct ieee802154_mlme_ops mac802154_mlme_wpan;
124
125void ieee802154_rx(struct ieee802154_local *local, struct sk_buff *skb);
126void ieee802154_xmit_worker(struct work_struct *work);
127netdev_tx_t
128ieee802154_monitor_start_xmit(struct sk_buff *skb, struct net_device *dev);
129netdev_tx_t
130ieee802154_subif_start_xmit(struct sk_buff *skb, struct net_device *dev);
131enum hrtimer_restart ieee802154_xmit_ifs_timer(struct hrtimer *timer);
132
133/* MIB callbacks */
134void mac802154_dev_set_page_channel(struct net_device *dev, u8 page, u8 chan);
135
136int mac802154_get_params(struct net_device *dev,
137 struct ieee802154_llsec_params *params);
138int mac802154_set_params(struct net_device *dev,
139 const struct ieee802154_llsec_params *params,
140 int changed);
141
142int mac802154_add_key(struct net_device *dev,
143 const struct ieee802154_llsec_key_id *id,
144 const struct ieee802154_llsec_key *key);
145int mac802154_del_key(struct net_device *dev,
146 const struct ieee802154_llsec_key_id *id);
147
148int mac802154_add_dev(struct net_device *dev,
149 const struct ieee802154_llsec_device *llsec_dev);
150int mac802154_del_dev(struct net_device *dev, __le64 dev_addr);
151
152int mac802154_add_devkey(struct net_device *dev,
153 __le64 device_addr,
154 const struct ieee802154_llsec_device_key *key);
155int mac802154_del_devkey(struct net_device *dev,
156 __le64 device_addr,
157 const struct ieee802154_llsec_device_key *key);
158
159int mac802154_add_seclevel(struct net_device *dev,
160 const struct ieee802154_llsec_seclevel *sl);
161int mac802154_del_seclevel(struct net_device *dev,
162 const struct ieee802154_llsec_seclevel *sl);
163
164void mac802154_lock_table(struct net_device *dev);
165void mac802154_get_table(struct net_device *dev,
166 struct ieee802154_llsec_table **t);
167void mac802154_unlock_table(struct net_device *dev);
168
169int mac802154_wpan_update_llsec(struct net_device *dev);
170
171/* interface handling */
172int ieee802154_iface_init(void);
173void ieee802154_iface_exit(void);
174void ieee802154_if_remove(struct ieee802154_sub_if_data *sdata);
175struct net_device *
176ieee802154_if_add(struct ieee802154_local *local, const char *name,
177 unsigned char name_assign_type, enum nl802154_iftype type,
178 __le64 extended_addr);
179void ieee802154_remove_interfaces(struct ieee802154_local *local);
180void ieee802154_stop_device(struct ieee802154_local *local);
181
182#endif /* __IEEE802154_I_H */