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alex.bluesman.smirnov@gmail.com1010f542012-05-15 20:50:20 +00001/*
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 *
alex.bluesman.smirnov@gmail.com1010f542012-05-15 20:50:20 +000013 * Written by:
14 * Pavel Smolenskiy <pavel.smolenskiy@gmail.com>
15 * Maxim Gorbachyov <maxim.gorbachev@siemens.com>
16 * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
17 * Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
18 */
Alexander Aring0f1556b2014-10-25 09:41:00 +020019#ifndef __IEEE802154_I_H
20#define __IEEE802154_I_H
alex.bluesman.smirnov@gmail.com1010f542012-05-15 20:50:20 +000021
Phoebe Buckheisterf30be4d2014-05-16 17:46:40 +020022#include <linux/mutex.h>
Alexander Aring61f2dcb2014-11-12 19:51:56 +010023#include <linux/hrtimer.h>
Alexander Aringd5ae67b2014-11-05 20:51:17 +010024#include <net/cfg802154.h>
Phoebe Buckheister5d637d52014-05-16 17:46:37 +020025#include <net/mac802154.h>
Alexander Aring944742a2014-11-17 08:20:49 +010026#include <net/nl802154.h>
Phoebe Buckheistere462ded2014-03-31 21:37:46 +020027#include <net/ieee802154_netdev.h>
28
Phoebe Buckheisterf30be4d2014-05-16 17:46:40 +020029#include "llsec.h"
30
alex.bluesman.smirnov@gmail.com1010f542012-05-15 20:50:20 +000031/* mac802154 device private data */
Alexander Aringa5e1ec52014-10-25 17:16:35 +020032struct ieee802154_local {
Alexander Aring5a504392014-10-25 17:16:34 +020033 struct ieee802154_hw hw;
Alexander Aring16301862014-10-28 18:21:18 +010034 const struct ieee802154_ops *ops;
alex.bluesman.smirnov@gmail.com1010f542012-05-15 20:50:20 +000035
36 /* ieee802154 phy */
37 struct wpan_phy *phy;
38
39 int open_count;
40
41 /* As in mac80211 slaves list is modified:
42 * 1) under the RTNL
43 * 2) protected by slaves_mtx;
44 * 3) in an RCU manner
45 *
46 * So atomic readers can use any of this protection methods.
47 */
Alexander Aringd98be452014-10-25 17:16:38 +020048 struct list_head interfaces;
49 struct mutex iflist_mtx;
alex.bluesman.smirnov@gmail.com1010f542012-05-15 20:50:20 +000050
51 /* This one is used for scanning and other jobs not to be interfered
52 * with serial driver.
53 */
Alexander Aringf7730542014-10-25 17:16:41 +020054 struct workqueue_struct *workqueue;
alex.bluesman.smirnov@gmail.com1010f542012-05-15 20:50:20 +000055
Alexander Aring61f2dcb2014-11-12 19:51:56 +010056 struct hrtimer ifs_timer;
57
Alexander Aring5d65cae2014-10-28 18:21:25 +010058 bool started;
Alexander Aringc5c47e62014-10-27 17:13:30 +010059
60 struct tasklet_struct tasklet;
61 struct sk_buff_head skb_queue;
alex.bluesman.smirnov@gmail.com1010f542012-05-15 20:50:20 +000062};
63
Alexander Aringc5c47e62014-10-27 17:13:30 +010064enum {
65 IEEE802154_RX_MSG = 1,
66};
67
Alexander Aring0ea3da62014-10-28 18:21:24 +010068enum ieee802154_sdata_state_bits {
69 SDATA_STATE_RUNNING,
70};
71
alex.bluesman.smirnov@gmail.com4d23c9c2012-05-15 20:50:24 +000072/* Slave interface definition.
73 *
74 * Slaves represent typical network interfaces available from userspace.
75 * Each ieee802154 device/transceiver may have several slaves and able
76 * to be associated with several networks at the same time.
77 */
Alexander Aring036562f2014-10-25 17:16:36 +020078struct ieee802154_sub_if_data {
alex.bluesman.smirnov@gmail.com4d23c9c2012-05-15 20:50:24 +000079 struct list_head list; /* the ieee802154_priv->slaves list */
80
Alexander Aringd5ae67b2014-11-05 20:51:17 +010081 struct wpan_dev wpan_dev;
82
Alexander Aring04e850f2014-10-25 17:16:37 +020083 struct ieee802154_local *local;
alex.bluesman.smirnov@gmail.com4d23c9c2012-05-15 20:50:24 +000084 struct net_device *dev;
85
Alexander Aring0ea3da62014-10-28 18:21:24 +010086 unsigned long state;
Alexander Aringd5ae67b2014-11-05 20:51:17 +010087 char name[IFNAMSIZ];
alex.bluesman.smirnov@gmail.com4d23c9c2012-05-15 20:50:24 +000088
89 spinlock_t mib_lock;
90
Phoebe Buckheisterf30be4d2014-05-16 17:46:40 +020091 /* protects sec from concurrent access by netlink. access by
92 * encrypt/decrypt/header_create safe without additional protection.
93 */
94 struct mutex sec_mtx;
95
96 struct mac802154_llsec sec;
Alexander Aring7c118c12014-11-05 20:51:20 +010097 /* must be last, dynamically sized area in this! */
98 struct ieee802154_vif vif;
alex.bluesman.smirnov@gmail.com4d23c9c2012-05-15 20:50:24 +000099};
100
Chen Gang2c1bbbf2013-04-25 00:49:55 +0000101#define MAC802154_CHAN_NONE 0xff /* No channel is assigned */
alex.bluesman.smirnov@gmail.com06060692012-05-15 20:50:29 +0000102
Alexander Aring6322d502014-11-12 03:36:51 +0100103/* utility functions/constants */
104extern const void *const mac802154_wpan_phy_privid; /* for wpan_phy privid */
105
Alexander Aring60741362014-10-25 17:16:39 +0200106static inline struct ieee802154_local *
107hw_to_local(struct ieee802154_hw *hw)
108{
109 return container_of(hw, struct ieee802154_local, hw);
110}
111
Alexander Aring59d19cd2014-10-25 17:16:40 +0200112static inline struct ieee802154_sub_if_data *
113IEEE802154_DEV_TO_SUB_IF(const struct net_device *dev)
114{
115 return netdev_priv(dev);
116}
117
Alexander Aringb821ecd2014-11-17 08:20:53 +0100118static inline struct ieee802154_sub_if_data *
119IEEE802154_WPAN_DEV_TO_SUB_IF(struct wpan_dev *wpan_dev)
120{
121 return container_of(wpan_dev, struct ieee802154_sub_if_data, wpan_dev);
122}
123
Alexander Aring0ea3da62014-10-28 18:21:24 +0100124static inline bool
125ieee802154_sdata_running(struct ieee802154_sub_if_data *sdata)
126{
127 return test_bit(SDATA_STATE_RUNNING, &sdata->state);
128}
129
alex.bluesman.smirnov@gmail.com32bad7e2012-06-25 23:24:48 +0000130extern struct ieee802154_mlme_ops mac802154_mlme_wpan;
alex.bluesman.smirnov@gmail.com6e2128d2012-05-15 20:50:25 +0000131
Alexander Aringe5e584f2014-10-26 09:37:13 +0100132netdev_tx_t
133ieee802154_monitor_start_xmit(struct sk_buff *skb, struct net_device *dev);
Alexander Aringe5e584f2014-10-26 09:37:13 +0100134netdev_tx_t
135ieee802154_subif_start_xmit(struct sk_buff *skb, struct net_device *dev);
Alexander Aring61f2dcb2014-11-12 19:51:56 +0100136enum hrtimer_restart ieee802154_xmit_ifs_timer(struct hrtimer *timer);
alex.bluesman.smirnov@gmail.com5b641eb2012-05-15 20:50:22 +0000137
alex.bluesman.smirnov@gmail.comef2486f2012-05-15 20:50:26 +0000138/* MIB callbacks */
Phoebe Buckheisterb70ab2e2014-03-14 21:23:59 +0100139void mac802154_dev_set_short_addr(struct net_device *dev, __le16 val);
140__le16 mac802154_dev_get_short_addr(const struct net_device *dev);
Phoebe Buckheisterb70ab2e2014-03-14 21:23:59 +0100141__le16 mac802154_dev_get_pan_id(const struct net_device *dev);
142void mac802154_dev_set_pan_id(struct net_device *dev, __le16 val);
alex.bluesman.smirnov@gmail.com66b69d42012-06-25 23:24:51 +0000143void mac802154_dev_set_page_channel(struct net_device *dev, u8 page, u8 chan);
Tony Cheneau04835462013-03-25 17:59:29 +0000144u8 mac802154_dev_get_dsn(const struct net_device *dev);
alex.bluesman.smirnov@gmail.comef2486f2012-05-15 20:50:26 +0000145
Phoebe Buckheister29e02372014-05-16 17:46:42 +0200146int mac802154_get_params(struct net_device *dev,
147 struct ieee802154_llsec_params *params);
148int mac802154_set_params(struct net_device *dev,
149 const struct ieee802154_llsec_params *params,
150 int changed);
151
152int mac802154_add_key(struct net_device *dev,
153 const struct ieee802154_llsec_key_id *id,
154 const struct ieee802154_llsec_key *key);
155int mac802154_del_key(struct net_device *dev,
156 const struct ieee802154_llsec_key_id *id);
157
158int mac802154_add_dev(struct net_device *dev,
159 const struct ieee802154_llsec_device *llsec_dev);
160int mac802154_del_dev(struct net_device *dev, __le64 dev_addr);
161
162int mac802154_add_devkey(struct net_device *dev,
163 __le64 device_addr,
164 const struct ieee802154_llsec_device_key *key);
165int mac802154_del_devkey(struct net_device *dev,
166 __le64 device_addr,
167 const struct ieee802154_llsec_device_key *key);
168
169int mac802154_add_seclevel(struct net_device *dev,
170 const struct ieee802154_llsec_seclevel *sl);
171int mac802154_del_seclevel(struct net_device *dev,
172 const struct ieee802154_llsec_seclevel *sl);
173
174void mac802154_lock_table(struct net_device *dev);
175void mac802154_get_table(struct net_device *dev,
176 struct ieee802154_llsec_table **t);
177void mac802154_unlock_table(struct net_device *dev);
178
Alexander Aringbe4fd8e2014-11-12 03:36:53 +0100179/* interface handling */
180int ieee802154_iface_init(void);
181void ieee802154_iface_exit(void);
Alexander Aringb210b182014-11-05 20:51:14 +0100182void ieee802154_if_remove(struct ieee802154_sub_if_data *sdata);
Alexander Aring986a8ab2014-11-05 20:51:15 +0100183struct net_device *
184ieee802154_if_add(struct ieee802154_local *local, const char *name,
Alexander Aring0e575472014-11-17 08:20:52 +0100185 enum nl802154_iftype type, __le64 extended_addr);
Alexander Aring592dfbf2014-11-12 03:36:48 +0100186void ieee802154_remove_interfaces(struct ieee802154_local *local);
Alexander Aring4a9a8162014-11-02 04:18:38 +0100187
Alexander Aring0f1556b2014-10-25 09:41:00 +0200188#endif /* __IEEE802154_I_H */