1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Copyright 2007-2012 Siemens AG
4 *
5 * Written by:
6 * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
7 * Sergey Lapin <slapin@ossfans.org>
8 * Maxim Gorbachyov <maxim.gorbachev@siemens.com>
9 * Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
10 */
11
12 #include <linux/if_arp.h>
13
14 #include <net/mac802154.h>
15 #include <net/ieee802154_netdev.h>
16 #include <net/cfg802154.h>
17
18 #include "ieee802154_i.h"
19 #include "driver-ops.h"
20
21 void mac802154_dev_set_page_channel(struct net_device *dev, u8 page, u8 chan)
22 {
23 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
24 struct ieee802154_local *local = sdata->local;
25 int res;
26
27 ASSERT_RTNL();
28
29 BUG_ON(dev->type != ARPHRD_IEEE802154);
30
31 res = drv_set_channel(local, page, chan);
32 if (res) {
33 pr_debug("set_channel failed\n");
34 } else {
35 local->phy->current_channel = chan;
36 local->phy->current_page = page;
37 }
38 }
39
40 int mac802154_get_params(struct net_device *dev,
41 struct ieee802154_llsec_params *params)
42 {
43 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
44 int res;
45
46 BUG_ON(dev->type != ARPHRD_IEEE802154);
47
48 mutex_lock(&sdata->sec_mtx);
49 res = mac802154_llsec_get_params(&sdata->sec, params);
50 mutex_unlock(&sdata->sec_mtx);
51
52 return res;
53 }
54
55 int mac802154_set_params(struct net_device *dev,
56 const struct ieee802154_llsec_params *params,
57 int changed)
58 {
59 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
60 int res;
61
62 BUG_ON(dev->type != ARPHRD_IEEE802154);
63
64 mutex_lock(&sdata->sec_mtx);
65 res = mac802154_llsec_set_params(&sdata->sec, params, changed);
66 mutex_unlock(&sdata->sec_mtx);
67
68 return res;
69 }
70
71 int mac802154_add_key(struct net_device *dev,
72 const struct ieee802154_llsec_key_id *id,
73 const struct ieee802154_llsec_key *key)
74 {
75 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
76 int res;
77
78 BUG_ON(dev->type != ARPHRD_IEEE802154);
79
80 mutex_lock(&sdata->sec_mtx);
81 res = mac802154_llsec_key_add(&sdata->sec, id, key);
82 mutex_unlock(&sdata->sec_mtx);
83
84 return res;
85 }
86
87 int mac802154_del_key(struct net_device *dev,
88 const struct ieee802154_llsec_key_id *id)
89 {
90 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
91 int res;
92
93 BUG_ON(dev->type != ARPHRD_IEEE802154);
94
95 mutex_lock(&sdata->sec_mtx);
96 res = mac802154_llsec_key_del(&sdata->sec, id);
97 mutex_unlock(&sdata->sec_mtx);
98
99 return res;
100 }
101
102 int mac802154_add_dev(struct net_device *dev,
103 const struct ieee802154_llsec_device *llsec_dev)
104 {
105 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
106 int res;
107
108 BUG_ON(dev->type != ARPHRD_IEEE802154);
109
110 mutex_lock(&sdata->sec_mtx);
111 res = mac802154_llsec_dev_add(&sdata->sec, llsec_dev);
112 mutex_unlock(&sdata->sec_mtx);
113
114 return res;
115 }
116
117 int mac802154_del_dev(struct net_device *dev, __le64 dev_addr)
118 {
119 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
120 int res;
121
122 BUG_ON(dev->type != ARPHRD_IEEE802154);
123
124 mutex_lock(&sdata->sec_mtx);
125 res = mac802154_llsec_dev_del(&sdata->sec, dev_addr);
126 mutex_unlock(&sdata->sec_mtx);
127
128 return res;
129 }
130
131 int mac802154_add_devkey(struct net_device *dev,
132 __le64 device_addr,
133 const struct ieee802154_llsec_device_key *key)
134 {
135 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
136 int res;
137
138 BUG_ON(dev->type != ARPHRD_IEEE802154);
139
140 mutex_lock(&sdata->sec_mtx);
141 res = mac802154_llsec_devkey_add(&sdata->sec, device_addr, key);
142 mutex_unlock(&sdata->sec_mtx);
143
144 return res;
145 }
146
147 int mac802154_del_devkey(struct net_device *dev,
148 __le64 device_addr,
149 const struct ieee802154_llsec_device_key *key)
150 {
151 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
152 int res;
153
154 BUG_ON(dev->type != ARPHRD_IEEE802154);
155
156 mutex_lock(&sdata->sec_mtx);
157 res = mac802154_llsec_devkey_del(&sdata->sec, device_addr, key);
158 mutex_unlock(&sdata->sec_mtx);
159
160 return res;
161 }
162
163 int mac802154_add_seclevel(struct net_device *dev,
164 const struct ieee802154_llsec_seclevel *sl)
165 {
166 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
167 int res;
168
169 BUG_ON(dev->type != ARPHRD_IEEE802154);
170
171 mutex_lock(&sdata->sec_mtx);
172 res = mac802154_llsec_seclevel_add(&sdata->sec, sl);
173 mutex_unlock(&sdata->sec_mtx);
174
175 return res;
176 }
177
178 int mac802154_del_seclevel(struct net_device *dev,
179 const struct ieee802154_llsec_seclevel *sl)
180 {
181 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
182 int res;
183
184 BUG_ON(dev->type != ARPHRD_IEEE802154);
185
186 mutex_lock(&sdata->sec_mtx);
187 res = mac802154_llsec_seclevel_del(&sdata->sec, sl);
188 mutex_unlock(&sdata->sec_mtx);
189
190 return res;
191 }
192
193 void mac802154_lock_table(struct net_device *dev)
194 {
195 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
196
197 BUG_ON(dev->type != ARPHRD_IEEE802154);
198
199 mutex_lock(&sdata->sec_mtx);
200 }
201
202 void mac802154_get_table(struct net_device *dev,
203 struct ieee802154_llsec_table **t)
204 {
205 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
206
207 BUG_ON(dev->type != ARPHRD_IEEE802154);
208
209 *t = &sdata->sec.table;
210 }
211
212 void mac802154_unlock_table(struct net_device *dev)
213 {
214 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
215
216 BUG_ON(dev->type != ARPHRD_IEEE802154);
217
218 mutex_unlock(&sdata->sec_mtx);
219 }
220
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