1
2
3
4
5
6
7
8
9
10#include <net/rtnetlink.h>
11#include <net/cfg802154.h>
12
13#include "ieee802154_i.h"
14#include "driver-ops.h"
15#include "cfg.h"
16
17static struct net_device *
18ieee802154_add_iface_deprecated(struct wpan_phy *wpan_phy,
19 const char *name,
20 unsigned char name_assign_type, int type)
21{
22 struct ieee802154_local *local = wpan_phy_priv(wpan_phy);
23 struct net_device *dev;
24
25 rtnl_lock();
26 dev = ieee802154_if_add(local, name, name_assign_type, type,
27 cpu_to_le64(0x0000000000000000ULL));
28 rtnl_unlock();
29
30 return dev;
31}
32
33static void ieee802154_del_iface_deprecated(struct wpan_phy *wpan_phy,
34 struct net_device *dev)
35{
36 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
37
38 ieee802154_if_remove(sdata);
39}
40
41#ifdef CONFIG_PM
42static int ieee802154_suspend(struct wpan_phy *wpan_phy)
43{
44 struct ieee802154_local *local = wpan_phy_priv(wpan_phy);
45
46 if (!local->open_count)
47 goto suspend;
48
49 ieee802154_stop_queue(&local->hw);
50 synchronize_net();
51
52
53 ieee802154_stop_device(local);
54
55suspend:
56 local->suspended = true;
57 return 0;
58}
59
60static int ieee802154_resume(struct wpan_phy *wpan_phy)
61{
62 struct ieee802154_local *local = wpan_phy_priv(wpan_phy);
63 int ret;
64
65
66 if (!local->open_count)
67 goto wake_up;
68
69
70 ret = drv_start(local);
71 if (ret)
72 return ret;
73
74wake_up:
75 ieee802154_wake_queue(&local->hw);
76 local->suspended = false;
77 return 0;
78}
79#else
80#define ieee802154_suspend NULL
81#define ieee802154_resume NULL
82#endif
83
84static int
85ieee802154_add_iface(struct wpan_phy *phy, const char *name,
86 unsigned char name_assign_type,
87 enum nl802154_iftype type, __le64 extended_addr)
88{
89 struct ieee802154_local *local = wpan_phy_priv(phy);
90 struct net_device *err;
91
92 err = ieee802154_if_add(local, name, name_assign_type, type,
93 extended_addr);
94 return PTR_ERR_OR_ZERO(err);
95}
96
97static int
98ieee802154_del_iface(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev)
99{
100 ieee802154_if_remove(IEEE802154_WPAN_DEV_TO_SUB_IF(wpan_dev));
101
102 return 0;
103}
104
105static int
106ieee802154_set_channel(struct wpan_phy *wpan_phy, u8 page, u8 channel)
107{
108 struct ieee802154_local *local = wpan_phy_priv(wpan_phy);
109 int ret;
110
111 ASSERT_RTNL();
112
113 if (wpan_phy->current_page == page &&
114 wpan_phy->current_channel == channel)
115 return 0;
116
117 ret = drv_set_channel(local, page, channel);
118 if (!ret) {
119 wpan_phy->current_page = page;
120 wpan_phy->current_channel = channel;
121 }
122
123 return ret;
124}
125
126static int
127ieee802154_set_cca_mode(struct wpan_phy *wpan_phy,
128 const struct wpan_phy_cca *cca)
129{
130 struct ieee802154_local *local = wpan_phy_priv(wpan_phy);
131 int ret;
132
133 ASSERT_RTNL();
134
135 if (wpan_phy_cca_cmp(&wpan_phy->cca, cca))
136 return 0;
137
138 ret = drv_set_cca_mode(local, cca);
139 if (!ret)
140 wpan_phy->cca = *cca;
141
142 return ret;
143}
144
145static int
146ieee802154_set_cca_ed_level(struct wpan_phy *wpan_phy, s32 ed_level)
147{
148 struct ieee802154_local *local = wpan_phy_priv(wpan_phy);
149 int ret;
150
151 ASSERT_RTNL();
152
153 if (wpan_phy->cca_ed_level == ed_level)
154 return 0;
155
156 ret = drv_set_cca_ed_level(local, ed_level);
157 if (!ret)
158 wpan_phy->cca_ed_level = ed_level;
159
160 return ret;
161}
162
163static int
164ieee802154_set_tx_power(struct wpan_phy *wpan_phy, s32 power)
165{
166 struct ieee802154_local *local = wpan_phy_priv(wpan_phy);
167 int ret;
168
169 ASSERT_RTNL();
170
171 if (wpan_phy->transmit_power == power)
172 return 0;
173
174 ret = drv_set_tx_power(local, power);
175 if (!ret)
176 wpan_phy->transmit_power = power;
177
178 return ret;
179}
180
181static int
182ieee802154_set_pan_id(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev,
183 __le16 pan_id)
184{
185 int ret;
186
187 ASSERT_RTNL();
188
189 if (wpan_dev->pan_id == pan_id)
190 return 0;
191
192 ret = mac802154_wpan_update_llsec(wpan_dev->netdev);
193 if (!ret)
194 wpan_dev->pan_id = pan_id;
195
196 return ret;
197}
198
199static int
200ieee802154_set_backoff_exponent(struct wpan_phy *wpan_phy,
201 struct wpan_dev *wpan_dev,
202 u8 min_be, u8 max_be)
203{
204 ASSERT_RTNL();
205
206 wpan_dev->min_be = min_be;
207 wpan_dev->max_be = max_be;
208 return 0;
209}
210
211static int
212ieee802154_set_short_addr(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev,
213 __le16 short_addr)
214{
215 ASSERT_RTNL();
216
217 wpan_dev->short_addr = short_addr;
218 return 0;
219}
220
221static int
222ieee802154_set_max_csma_backoffs(struct wpan_phy *wpan_phy,
223 struct wpan_dev *wpan_dev,
224 u8 max_csma_backoffs)
225{
226 ASSERT_RTNL();
227
228 wpan_dev->csma_retries = max_csma_backoffs;
229 return 0;
230}
231
232static int
233ieee802154_set_max_frame_retries(struct wpan_phy *wpan_phy,
234 struct wpan_dev *wpan_dev,
235 s8 max_frame_retries)
236{
237 ASSERT_RTNL();
238
239 wpan_dev->frame_retries = max_frame_retries;
240 return 0;
241}
242
243static int
244ieee802154_set_lbt_mode(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev,
245 bool mode)
246{
247 ASSERT_RTNL();
248
249 wpan_dev->lbt = mode;
250 return 0;
251}
252
253static int
254ieee802154_set_ackreq_default(struct wpan_phy *wpan_phy,
255 struct wpan_dev *wpan_dev, bool ackreq)
256{
257 ASSERT_RTNL();
258
259 wpan_dev->ackreq = ackreq;
260 return 0;
261}
262
263#ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL
264static void
265ieee802154_get_llsec_table(struct wpan_phy *wpan_phy,
266 struct wpan_dev *wpan_dev,
267 struct ieee802154_llsec_table **table)
268{
269 struct net_device *dev = wpan_dev->netdev;
270 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
271
272 *table = &sdata->sec.table;
273}
274
275static void
276ieee802154_lock_llsec_table(struct wpan_phy *wpan_phy,
277 struct wpan_dev *wpan_dev)
278{
279 struct net_device *dev = wpan_dev->netdev;
280 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
281
282 mutex_lock(&sdata->sec_mtx);
283}
284
285static void
286ieee802154_unlock_llsec_table(struct wpan_phy *wpan_phy,
287 struct wpan_dev *wpan_dev)
288{
289 struct net_device *dev = wpan_dev->netdev;
290 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
291
292 mutex_unlock(&sdata->sec_mtx);
293}
294
295static int
296ieee802154_set_llsec_params(struct wpan_phy *wpan_phy,
297 struct wpan_dev *wpan_dev,
298 const struct ieee802154_llsec_params *params,
299 int changed)
300{
301 struct net_device *dev = wpan_dev->netdev;
302 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
303 int res;
304
305 mutex_lock(&sdata->sec_mtx);
306 res = mac802154_llsec_set_params(&sdata->sec, params, changed);
307 mutex_unlock(&sdata->sec_mtx);
308
309 return res;
310}
311
312static int
313ieee802154_get_llsec_params(struct wpan_phy *wpan_phy,
314 struct wpan_dev *wpan_dev,
315 struct ieee802154_llsec_params *params)
316{
317 struct net_device *dev = wpan_dev->netdev;
318 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
319 int res;
320
321 mutex_lock(&sdata->sec_mtx);
322 res = mac802154_llsec_get_params(&sdata->sec, params);
323 mutex_unlock(&sdata->sec_mtx);
324
325 return res;
326}
327
328static int
329ieee802154_add_llsec_key(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev,
330 const struct ieee802154_llsec_key_id *id,
331 const struct ieee802154_llsec_key *key)
332{
333 struct net_device *dev = wpan_dev->netdev;
334 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
335 int res;
336
337 mutex_lock(&sdata->sec_mtx);
338 res = mac802154_llsec_key_add(&sdata->sec, id, key);
339 mutex_unlock(&sdata->sec_mtx);
340
341 return res;
342}
343
344static int
345ieee802154_del_llsec_key(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev,
346 const struct ieee802154_llsec_key_id *id)
347{
348 struct net_device *dev = wpan_dev->netdev;
349 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
350 int res;
351
352 mutex_lock(&sdata->sec_mtx);
353 res = mac802154_llsec_key_del(&sdata->sec, id);
354 mutex_unlock(&sdata->sec_mtx);
355
356 return res;
357}
358
359static int
360ieee802154_add_seclevel(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev,
361 const struct ieee802154_llsec_seclevel *sl)
362{
363 struct net_device *dev = wpan_dev->netdev;
364 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
365 int res;
366
367 mutex_lock(&sdata->sec_mtx);
368 res = mac802154_llsec_seclevel_add(&sdata->sec, sl);
369 mutex_unlock(&sdata->sec_mtx);
370
371 return res;
372}
373
374static int
375ieee802154_del_seclevel(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev,
376 const struct ieee802154_llsec_seclevel *sl)
377{
378 struct net_device *dev = wpan_dev->netdev;
379 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
380 int res;
381
382 mutex_lock(&sdata->sec_mtx);
383 res = mac802154_llsec_seclevel_del(&sdata->sec, sl);
384 mutex_unlock(&sdata->sec_mtx);
385
386 return res;
387}
388
389static int
390ieee802154_add_device(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev,
391 const struct ieee802154_llsec_device *dev_desc)
392{
393 struct net_device *dev = wpan_dev->netdev;
394 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
395 int res;
396
397 mutex_lock(&sdata->sec_mtx);
398 res = mac802154_llsec_dev_add(&sdata->sec, dev_desc);
399 mutex_unlock(&sdata->sec_mtx);
400
401 return res;
402}
403
404static int
405ieee802154_del_device(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev,
406 __le64 extended_addr)
407{
408 struct net_device *dev = wpan_dev->netdev;
409 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
410 int res;
411
412 mutex_lock(&sdata->sec_mtx);
413 res = mac802154_llsec_dev_del(&sdata->sec, extended_addr);
414 mutex_unlock(&sdata->sec_mtx);
415
416 return res;
417}
418
419static int
420ieee802154_add_devkey(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev,
421 __le64 extended_addr,
422 const struct ieee802154_llsec_device_key *key)
423{
424 struct net_device *dev = wpan_dev->netdev;
425 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
426 int res;
427
428 mutex_lock(&sdata->sec_mtx);
429 res = mac802154_llsec_devkey_add(&sdata->sec, extended_addr, key);
430 mutex_unlock(&sdata->sec_mtx);
431
432 return res;
433}
434
435static int
436ieee802154_del_devkey(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev,
437 __le64 extended_addr,
438 const struct ieee802154_llsec_device_key *key)
439{
440 struct net_device *dev = wpan_dev->netdev;
441 struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
442 int res;
443
444 mutex_lock(&sdata->sec_mtx);
445 res = mac802154_llsec_devkey_del(&sdata->sec, extended_addr, key);
446 mutex_unlock(&sdata->sec_mtx);
447
448 return res;
449}
450#endif
451
452const struct cfg802154_ops mac802154_config_ops = {
453 .add_virtual_intf_deprecated = ieee802154_add_iface_deprecated,
454 .del_virtual_intf_deprecated = ieee802154_del_iface_deprecated,
455 .suspend = ieee802154_suspend,
456 .resume = ieee802154_resume,
457 .add_virtual_intf = ieee802154_add_iface,
458 .del_virtual_intf = ieee802154_del_iface,
459 .set_channel = ieee802154_set_channel,
460 .set_cca_mode = ieee802154_set_cca_mode,
461 .set_cca_ed_level = ieee802154_set_cca_ed_level,
462 .set_tx_power = ieee802154_set_tx_power,
463 .set_pan_id = ieee802154_set_pan_id,
464 .set_short_addr = ieee802154_set_short_addr,
465 .set_backoff_exponent = ieee802154_set_backoff_exponent,
466 .set_max_csma_backoffs = ieee802154_set_max_csma_backoffs,
467 .set_max_frame_retries = ieee802154_set_max_frame_retries,
468 .set_lbt_mode = ieee802154_set_lbt_mode,
469 .set_ackreq_default = ieee802154_set_ackreq_default,
470#ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL
471 .get_llsec_table = ieee802154_get_llsec_table,
472 .lock_llsec_table = ieee802154_lock_llsec_table,
473 .unlock_llsec_table = ieee802154_unlock_llsec_table,
474
475 .set_llsec_params = ieee802154_set_llsec_params,
476 .get_llsec_params = ieee802154_get_llsec_params,
477 .add_llsec_key = ieee802154_add_llsec_key,
478 .del_llsec_key = ieee802154_del_llsec_key,
479 .add_seclevel = ieee802154_add_seclevel,
480 .del_seclevel = ieee802154_del_seclevel,
481 .add_device = ieee802154_add_device,
482 .del_device = ieee802154_del_device,
483 .add_devkey = ieee802154_add_devkey,
484 .del_devkey = ieee802154_del_devkey,
485#endif
486};
487
