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nl802154: avoid address change while running lowpan
[deliverable/linux.git] / net / ieee802154 / nl802154.c
CommitLineData
79fe1a2a
AA		 1/* This program is free software; you can redistribute it and/or modify
2 * it under the terms of the GNU General Public License version 2
3 * as published by the Free Software Foundation.
4 *
5 * This program is distributed in the hope that it will be useful,
6 * but WITHOUT ANY WARRANTY; without even the implied warranty of
7 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8 * GNU General Public License for more details.
9 *
10 * Authors:
11 * Alexander Aring <aar@pengutronix.de>
12 *
13 * Based on: net/wireless/nl80211.c
14 */
15
16#include <linux/rtnetlink.h>
17
18#include <net/cfg802154.h>
19#include <net/genetlink.h>
20#include <net/mac802154.h>
21#include <net/netlink.h>
22#include <net/nl802154.h>
23#include <net/sock.h>
24
25#include "nl802154.h"
ab0bd561 26#include "rdev-ops.h"
79fe1a2a
AA		 27#include "core.h"
28
29static int nl802154_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
30 struct genl_info *info);
31
32static void nl802154_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
33 struct genl_info *info);
34
35/* the netlink family */
36static struct genl_family nl802154_fam = {
37 .id = GENL_ID_GENERATE, /* don't bother with a hardcoded ID */
38 .name = NL802154_GENL_NAME, /* have users key off the name instead */
39 .hdrsize = 0, /* no private header */
40 .version = 1, /* no particular meaning now */
41 .maxattr = NL802154_ATTR_MAX,
42 .netnsok = true,
43 .pre_doit = nl802154_pre_doit,
44 .post_doit = nl802154_post_doit,
45};
46
47/* multicast groups */
48enum nl802154_multicast_groups {
49 NL802154_MCGRP_CONFIG,
50};
51
52static const struct genl_multicast_group nl802154_mcgrps[] = {
53 [NL802154_MCGRP_CONFIG] = { .name = "config", },
54};
55
56/* returns ERR_PTR values */
57static struct wpan_dev *
58__cfg802154_wpan_dev_from_attrs(struct net *netns, struct nlattr **attrs)
59{
60 struct cfg802154_registered_device *rdev;
61 struct wpan_dev *result = NULL;
62 bool have_ifidx = attrs[NL802154_ATTR_IFINDEX];
63 bool have_wpan_dev_id = attrs[NL802154_ATTR_WPAN_DEV];
64 u64 wpan_dev_id;
65 int wpan_phy_idx = -1;
66 int ifidx = -1;
67
68 ASSERT_RTNL();
69
70 if (!have_ifidx && !have_wpan_dev_id)
71 return ERR_PTR(-EINVAL);
72
73 if (have_ifidx)
74 ifidx = nla_get_u32(attrs[NL802154_ATTR_IFINDEX]);
75 if (have_wpan_dev_id) {
76 wpan_dev_id = nla_get_u64(attrs[NL802154_ATTR_WPAN_DEV]);
77 wpan_phy_idx = wpan_dev_id >> 32;
78 }
79
80 list_for_each_entry(rdev, &cfg802154_rdev_list, list) {
81 struct wpan_dev *wpan_dev;
82
83 /* TODO netns compare */
84
85 if (have_wpan_dev_id && rdev->wpan_phy_idx != wpan_phy_idx)
86 continue;
87
88 list_for_each_entry(wpan_dev, &rdev->wpan_dev_list, list) {
89 if (have_ifidx && wpan_dev->netdev &&
90 wpan_dev->netdev->ifindex == ifidx) {
91 result = wpan_dev;
92 break;
93 }
94 if (have_wpan_dev_id &&
95 wpan_dev->identifier == (u32)wpan_dev_id) {
96 result = wpan_dev;
97 break;
98 }
99 }
100
101 if (result)
102 break;
103 }
104
105 if (result)
106 return result;
107
108 return ERR_PTR(-ENODEV);
109}
110
111static struct cfg802154_registered_device *
112__cfg802154_rdev_from_attrs(struct net *netns, struct nlattr **attrs)
113{
114 struct cfg802154_registered_device *rdev = NULL, *tmp;
115 struct net_device *netdev;
116
117 ASSERT_RTNL();
118
119 if (!attrs[NL802154_ATTR_WPAN_PHY] &&
120 !attrs[NL802154_ATTR_IFINDEX] &&
121 !attrs[NL802154_ATTR_WPAN_DEV])
122 return ERR_PTR(-EINVAL);
123
124 if (attrs[NL802154_ATTR_WPAN_PHY])
125 rdev = cfg802154_rdev_by_wpan_phy_idx(
126 nla_get_u32(attrs[NL802154_ATTR_WPAN_PHY]));
127
128 if (attrs[NL802154_ATTR_WPAN_DEV]) {
129 u64 wpan_dev_id = nla_get_u64(attrs[NL802154_ATTR_WPAN_DEV]);
130 struct wpan_dev *wpan_dev;
131 bool found = false;
132
133 tmp = cfg802154_rdev_by_wpan_phy_idx(wpan_dev_id >> 32);
134 if (tmp) {
135 /* make sure wpan_dev exists */
136 list_for_each_entry(wpan_dev, &tmp->wpan_dev_list, list) {
137 if (wpan_dev->identifier != (u32)wpan_dev_id)
138 continue;
139 found = true;
140 break;
141 }
142
143 if (!found)
144 tmp = NULL;
145
146 if (rdev && tmp != rdev)
147 return ERR_PTR(-EINVAL);
148 rdev = tmp;
149 }
150 }
151
152 if (attrs[NL802154_ATTR_IFINDEX]) {
153 int ifindex = nla_get_u32(attrs[NL802154_ATTR_IFINDEX]);
154
155 netdev = __dev_get_by_index(netns, ifindex);
156 if (netdev) {
157 if (netdev->ieee802154_ptr)
158 tmp = wpan_phy_to_rdev(
159 netdev->ieee802154_ptr->wpan_phy);
160 else
161 tmp = NULL;
162
163 /* not wireless device -- return error */
164 if (!tmp)
165 return ERR_PTR(-EINVAL);
166
167 /* mismatch -- return error */
168 if (rdev && tmp != rdev)
169 return ERR_PTR(-EINVAL);
170
171 rdev = tmp;
172 }
173 }
174
175 if (!rdev)
176 return ERR_PTR(-ENODEV);
177
178 /* TODO netns compare */
179
180 return rdev;
181}
182
183/* This function returns a pointer to the driver
184 * that the genl_info item that is passed refers to.
185 *
186 * The result of this can be a PTR_ERR and hence must
187 * be checked with IS_ERR() for errors.
188 */
189static struct cfg802154_registered_device *
190cfg802154_get_dev_from_info(struct net *netns, struct genl_info *info)
191{
192 return __cfg802154_rdev_from_attrs(netns, info->attrs);
193}
194
195/* policy for the attributes */
196static const struct nla_policy nl802154_policy[NL802154_ATTR_MAX+1] = {
ca20ce20
AA		 197 [NL802154_ATTR_WPAN_PHY] = { .type = NLA_U32 },
198 [NL802154_ATTR_WPAN_PHY_NAME] = { .type = NLA_NUL_STRING,
199 .len = 20-1 },
200
201 [NL802154_ATTR_IFINDEX] = { .type = NLA_U32 },
4b96aea0
AA		 202 [NL802154_ATTR_IFTYPE] = { .type = NLA_U32 },
203 [NL802154_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 },
ca20ce20
AA		 204
205 [NL802154_ATTR_WPAN_DEV] = { .type = NLA_U64 },
206
207 [NL802154_ATTR_PAGE] = { .type = NLA_U8, },
208 [NL802154_ATTR_CHANNEL] = { .type = NLA_U8, },
209
1a19cb68 210 [NL802154_ATTR_TX_POWER] = { .type = NLA_S32, },
ca20ce20 211
ba2a9506
AA		 212 [NL802154_ATTR_CCA_MODE] = { .type = NLA_U32, },
213 [NL802154_ATTR_CCA_OPT] = { .type = NLA_U32, },
e4390592 214 [NL802154_ATTR_CCA_ED_LEVEL] = { .type = NLA_S32, },
ca20ce20
AA		 215
216 [NL802154_ATTR_SUPPORTED_CHANNEL] = { .type = NLA_U32, },
4b96aea0
AA		 217
218 [NL802154_ATTR_PAN_ID] = { .type = NLA_U16, },
219 [NL802154_ATTR_EXTENDED_ADDR] = { .type = NLA_U64 },
220 [NL802154_ATTR_SHORT_ADDR] = { .type = NLA_U16, },
221
222 [NL802154_ATTR_MIN_BE] = { .type = NLA_U8, },
223 [NL802154_ATTR_MAX_BE] = { .type = NLA_U8, },
224 [NL802154_ATTR_MAX_CSMA_BACKOFFS] = { .type = NLA_U8, },
225
226 [NL802154_ATTR_MAX_FRAME_RETRIES] = { .type = NLA_S8, },
227
228 [NL802154_ATTR_LBT_MODE] = { .type = NLA_U8, },
0e665457
AA		 229
230 [NL802154_ATTR_WPAN_PHY_CAPS] = { .type = NLA_NESTED },
133be026
VB		 231
232 [NL802154_ATTR_SUPPORTED_COMMANDS] = { .type = NLA_NESTED },
c91208d8
AA		 233
234 [NL802154_ATTR_ACKREQ_DEFAULT] = { .type = NLA_U8 },
a26c5fd7
AA		 235
236#ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL
237 [NL802154_ATTR_SEC_ENABLED] = { .type = NLA_U8, },
238 [NL802154_ATTR_SEC_OUT_LEVEL] = { .type = NLA_U32, },
239 [NL802154_ATTR_SEC_OUT_KEY_ID] = { .type = NLA_NESTED, },
240 [NL802154_ATTR_SEC_FRAME_COUNTER] = { .type = NLA_U32 },
241
242 [NL802154_ATTR_SEC_LEVEL] = { .type = NLA_NESTED },
243 [NL802154_ATTR_SEC_DEVICE] = { .type = NLA_NESTED },
244 [NL802154_ATTR_SEC_DEVKEY] = { .type = NLA_NESTED },
245 [NL802154_ATTR_SEC_KEY] = { .type = NLA_NESTED },
246#endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */
79fe1a2a
AA		 247};
248
a26c5fd7
AA		 249#ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL
250static int
251nl802154_prepare_wpan_dev_dump(struct sk_buff *skb,
252 struct netlink_callback *cb,
253 struct cfg802154_registered_device **rdev,
254 struct wpan_dev **wpan_dev)
255{
256 int err;
257
258 rtnl_lock();
259
260 if (!cb->args[0]) {
261 err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl802154_fam.hdrsize,
262 nl802154_fam.attrbuf, nl802154_fam.maxattr,
263 nl802154_policy);
264 if (err)
265 goto out_unlock;
266
267 *wpan_dev = __cfg802154_wpan_dev_from_attrs(sock_net(skb->sk),
268 nl802154_fam.attrbuf);
269 if (IS_ERR(*wpan_dev)) {
270 err = PTR_ERR(*wpan_dev);
271 goto out_unlock;
272 }
273 *rdev = wpan_phy_to_rdev((*wpan_dev)->wpan_phy);
274 /* 0 is the first index - add 1 to parse only once */
275 cb->args[0] = (*rdev)->wpan_phy_idx + 1;
276 cb->args[1] = (*wpan_dev)->identifier;
277 } else {
278 /* subtract the 1 again here */
279 struct wpan_phy *wpan_phy = wpan_phy_idx_to_wpan_phy(cb->args[0] - 1);
280 struct wpan_dev *tmp;
281
282 if (!wpan_phy) {
283 err = -ENODEV;
284 goto out_unlock;
285 }
286 *rdev = wpan_phy_to_rdev(wpan_phy);
287 *wpan_dev = NULL;
288
289 list_for_each_entry(tmp, &(*rdev)->wpan_dev_list, list) {
290 if (tmp->identifier == cb->args[1]) {
291 *wpan_dev = tmp;
292 break;
293 }
294 }
295
296 if (!*wpan_dev) {
297 err = -ENODEV;
298 goto out_unlock;
299 }
300 }
301
302 return 0;
303 out_unlock:
304 rtnl_unlock();
305 return err;
306}
307
308static void
309nl802154_finish_wpan_dev_dump(struct cfg802154_registered_device *rdev)
310{
311 rtnl_unlock();
312}
313#endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */
314
79fe1a2a
AA		 315/* message building helper */
316static inline void *nl802154hdr_put(struct sk_buff *skb, u32 portid, u32 seq,
317 int flags, u8 cmd)
318{
319 /* since there is no private header just add the generic one */
320 return genlmsg_put(skb, portid, seq, &nl802154_fam, flags, cmd);
321}
322
0e665457
AA		 323static int
324nl802154_put_flags(struct sk_buff *msg, int attr, u32 mask)
325{
326 struct nlattr *nl_flags = nla_nest_start(msg, attr);
327 int i;
328
329 if (!nl_flags)
330 return -ENOBUFS;
331
332 i = 0;
333 while (mask) {
334 if ((mask & 1) && nla_put_flag(msg, i))
335 return -ENOBUFS;
336
337 mask >>= 1;
338 i++;
339 }
340
341 nla_nest_end(msg, nl_flags);
342 return 0;
343}
344
ca20ce20
AA		 345static int
346nl802154_send_wpan_phy_channels(struct cfg802154_registered_device *rdev,
347 struct sk_buff *msg)
348{
349 struct nlattr *nl_page;
350 unsigned long page;
351
352 nl_page = nla_nest_start(msg, NL802154_ATTR_CHANNELS_SUPPORTED);
353 if (!nl_page)
354 return -ENOBUFS;
355
cb41c8dd 356 for (page = 0; page <= IEEE802154_MAX_PAGE; page++) {
ca20ce20 357 if (nla_put_u32(msg, NL802154_ATTR_SUPPORTED_CHANNEL,
72f655e4 358 rdev->wpan_phy.supported.channels[page]))
ca20ce20
AA		 359 return -ENOBUFS;
360 }
361 nla_nest_end(msg, nl_page);
362
363 return 0;
364}
365
0e665457
AA		 366static int
367nl802154_put_capabilities(struct sk_buff *msg,
368 struct cfg802154_registered_device *rdev)
369{
370 const struct wpan_phy_supported *caps = &rdev->wpan_phy.supported;
371 struct nlattr *nl_caps, *nl_channels;
372 int i;
373
374 nl_caps = nla_nest_start(msg, NL802154_ATTR_WPAN_PHY_CAPS);
375 if (!nl_caps)
376 return -ENOBUFS;
377
378 nl_channels = nla_nest_start(msg, NL802154_CAP_ATTR_CHANNELS);
379 if (!nl_channels)
380 return -ENOBUFS;
381
382 for (i = 0; i <= IEEE802154_MAX_PAGE; i++) {
383 if (caps->channels[i]) {
384 if (nl802154_put_flags(msg, i, caps->channels[i]))
385 return -ENOBUFS;
386 }
387 }
388
389 nla_nest_end(msg, nl_channels);
390
391 if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_ED_LEVEL) {
392 struct nlattr *nl_ed_lvls;
393
394 nl_ed_lvls = nla_nest_start(msg,
395 NL802154_CAP_ATTR_CCA_ED_LEVELS);
396 if (!nl_ed_lvls)
397 return -ENOBUFS;
398
399 for (i = 0; i < caps->cca_ed_levels_size; i++) {
400 if (nla_put_s32(msg, i, caps->cca_ed_levels[i]))
401 return -ENOBUFS;
402 }
403
404 nla_nest_end(msg, nl_ed_lvls);
405 }
406
407 if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_TXPOWER) {
408 struct nlattr *nl_tx_pwrs;
409
410 nl_tx_pwrs = nla_nest_start(msg, NL802154_CAP_ATTR_TX_POWERS);
411 if (!nl_tx_pwrs)
412 return -ENOBUFS;
413
414 for (i = 0; i < caps->tx_powers_size; i++) {
415 if (nla_put_s32(msg, i, caps->tx_powers[i]))
416 return -ENOBUFS;
417 }
418
419 nla_nest_end(msg, nl_tx_pwrs);
420 }
421
422 if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_MODE) {
423 if (nl802154_put_flags(msg, NL802154_CAP_ATTR_CCA_MODES,
424 caps->cca_modes) ||
425 nl802154_put_flags(msg, NL802154_CAP_ATTR_CCA_OPTS,
426 caps->cca_opts))
427 return -ENOBUFS;
428 }
429
430 if (nla_put_u8(msg, NL802154_CAP_ATTR_MIN_MINBE, caps->min_minbe) ||
431 nla_put_u8(msg, NL802154_CAP_ATTR_MAX_MINBE, caps->max_minbe) ||
432 nla_put_u8(msg, NL802154_CAP_ATTR_MIN_MAXBE, caps->min_maxbe) ||
433 nla_put_u8(msg, NL802154_CAP_ATTR_MAX_MAXBE, caps->max_maxbe) ||
434 nla_put_u8(msg, NL802154_CAP_ATTR_MIN_CSMA_BACKOFFS,
435 caps->min_csma_backoffs) ||
436 nla_put_u8(msg, NL802154_CAP_ATTR_MAX_CSMA_BACKOFFS,
437 caps->max_csma_backoffs) ||
438 nla_put_s8(msg, NL802154_CAP_ATTR_MIN_FRAME_RETRIES,
439 caps->min_frame_retries) ||
440 nla_put_s8(msg, NL802154_CAP_ATTR_MAX_FRAME_RETRIES,
441 caps->max_frame_retries) ||
442 nl802154_put_flags(msg, NL802154_CAP_ATTR_IFTYPES,
443 caps->iftypes) ||
444 nla_put_u32(msg, NL802154_CAP_ATTR_LBT, caps->lbt))
445 return -ENOBUFS;
446
447 nla_nest_end(msg, nl_caps);
448
449 return 0;
450}
451
ca20ce20
AA		 452static int nl802154_send_wpan_phy(struct cfg802154_registered_device *rdev,
453 enum nl802154_commands cmd,
454 struct sk_buff *msg, u32 portid, u32 seq,
455 int flags)
456{
133be026 457 struct nlattr *nl_cmds;
ca20ce20 458 void *hdr;
133be026 459 int i;
ca20ce20
AA		 460
461 hdr = nl802154hdr_put(msg, portid, seq, flags, cmd);
462 if (!hdr)
463 return -ENOBUFS;
464
465 if (nla_put_u32(msg, NL802154_ATTR_WPAN_PHY, rdev->wpan_phy_idx) ||
466 nla_put_string(msg, NL802154_ATTR_WPAN_PHY_NAME,
467 wpan_phy_name(&rdev->wpan_phy)) ||
468 nla_put_u32(msg, NL802154_ATTR_GENERATION,
469 cfg802154_rdev_list_generation))
470 goto nla_put_failure;
471
472 if (cmd != NL802154_CMD_NEW_WPAN_PHY)
473 goto finish;
474
475 /* DUMP PHY PIB */
476
477 /* current channel settings */
478 if (nla_put_u8(msg, NL802154_ATTR_PAGE,
479 rdev->wpan_phy.current_page) ||
480 nla_put_u8(msg, NL802154_ATTR_CHANNEL,
481 rdev->wpan_phy.current_channel))
482 goto nla_put_failure;
483
0e665457
AA		 484 /* TODO remove this behaviour, we still keep support it for a while
485 * so users can change the behaviour to the new one.
486 */
ca20ce20
AA		 487 if (nl802154_send_wpan_phy_channels(rdev, msg))
488 goto nla_put_failure;
489
490 /* cca mode */
edea8f7c
AA		 491 if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_MODE) {
492 if (nla_put_u32(msg, NL802154_ATTR_CCA_MODE,
493 rdev->wpan_phy.cca.mode))
ba2a9506 494 goto nla_put_failure;
edea8f7c
AA		 495
496 if (rdev->wpan_phy.cca.mode == NL802154_CCA_ENERGY_CARRIER) {
497 if (nla_put_u32(msg, NL802154_ATTR_CCA_OPT,
498 rdev->wpan_phy.cca.opt))
499 goto nla_put_failure;
500 }
ba2a9506
AA		 501 }
502
edea8f7c
AA		 503 if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_TXPOWER) {
504 if (nla_put_s32(msg, NL802154_ATTR_TX_POWER,
505 rdev->wpan_phy.transmit_power))
506 goto nla_put_failure;
507 }
ca20ce20 508
e4390592
AA		 509 if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_ED_LEVEL) {
510 if (nla_put_s32(msg, NL802154_ATTR_CCA_ED_LEVEL,
511 rdev->wpan_phy.cca_ed_level))
512 goto nla_put_failure;
513 }
514
0e665457
AA		 515 if (nl802154_put_capabilities(msg, rdev))
516 goto nla_put_failure;
517
133be026
VB		 518 nl_cmds = nla_nest_start(msg, NL802154_ATTR_SUPPORTED_COMMANDS);
519 if (!nl_cmds)
520 goto nla_put_failure;
521
522 i = 0;
523#define CMD(op, n) \
524 do { \
525 if (rdev->ops->op) { \
526 i++; \
527 if (nla_put_u32(msg, i, NL802154_CMD_ ## n)) \
528 goto nla_put_failure; \
529 } \
530 } while (0)
531
532 CMD(add_virtual_intf, NEW_INTERFACE);
533 CMD(del_virtual_intf, DEL_INTERFACE);
534 CMD(set_channel, SET_CHANNEL);
535 CMD(set_pan_id, SET_PAN_ID);
536 CMD(set_short_addr, SET_SHORT_ADDR);
537 CMD(set_backoff_exponent, SET_BACKOFF_EXPONENT);
538 CMD(set_max_csma_backoffs, SET_MAX_CSMA_BACKOFFS);
539 CMD(set_max_frame_retries, SET_MAX_FRAME_RETRIES);
540 CMD(set_lbt_mode, SET_LBT_MODE);
c91208d8 541 CMD(set_ackreq_default, SET_ACKREQ_DEFAULT);
133be026
VB		 542
543 if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_TXPOWER)
544 CMD(set_tx_power, SET_TX_POWER);
545
546 if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_ED_LEVEL)
547 CMD(set_cca_ed_level, SET_CCA_ED_LEVEL);
548
549 if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_MODE)
550 CMD(set_cca_mode, SET_CCA_MODE);
551
552#undef CMD
553 nla_nest_end(msg, nl_cmds);
554
ca20ce20 555finish:
053c095a
JB		 556 genlmsg_end(msg, hdr);
557 return 0;
ca20ce20
AA		 558
559nla_put_failure:
560 genlmsg_cancel(msg, hdr);
561 return -EMSGSIZE;
562}
563
564struct nl802154_dump_wpan_phy_state {
565 s64 filter_wpan_phy;
566 long start;
567
568};
569
570static int nl802154_dump_wpan_phy_parse(struct sk_buff *skb,
571 struct netlink_callback *cb,
572 struct nl802154_dump_wpan_phy_state *state)
573{
574 struct nlattr **tb = nl802154_fam.attrbuf;
575 int ret = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl802154_fam.hdrsize,
576 tb, nl802154_fam.maxattr, nl802154_policy);
577
578 /* TODO check if we can handle error here,
579 * we have no backward compatibility
580 */
581 if (ret)
582 return 0;
583
584 if (tb[NL802154_ATTR_WPAN_PHY])
585 state->filter_wpan_phy = nla_get_u32(tb[NL802154_ATTR_WPAN_PHY]);
586 if (tb[NL802154_ATTR_WPAN_DEV])
587 state->filter_wpan_phy = nla_get_u64(tb[NL802154_ATTR_WPAN_DEV]) >> 32;
588 if (tb[NL802154_ATTR_IFINDEX]) {
589 struct net_device *netdev;
590 struct cfg802154_registered_device *rdev;
591 int ifidx = nla_get_u32(tb[NL802154_ATTR_IFINDEX]);
592
593 /* TODO netns */
594 netdev = __dev_get_by_index(&init_net, ifidx);
595 if (!netdev)
596 return -ENODEV;
597 if (netdev->ieee802154_ptr) {
598 rdev = wpan_phy_to_rdev(
599 netdev->ieee802154_ptr->wpan_phy);
600 state->filter_wpan_phy = rdev->wpan_phy_idx;
601 }
602 }
603
604 return 0;
605}
606
607static int
608nl802154_dump_wpan_phy(struct sk_buff *skb, struct netlink_callback *cb)
609{
610 int idx = 0, ret;
611 struct nl802154_dump_wpan_phy_state *state = (void *)cb->args[0];
612 struct cfg802154_registered_device *rdev;
613
614 rtnl_lock();
615 if (!state) {
616 state = kzalloc(sizeof(*state), GFP_KERNEL);
617 if (!state) {
618 rtnl_unlock();
619 return -ENOMEM;
620 }
621 state->filter_wpan_phy = -1;
622 ret = nl802154_dump_wpan_phy_parse(skb, cb, state);
623 if (ret) {
624 kfree(state);
625 rtnl_unlock();
626 return ret;
627 }
628 cb->args[0] = (long)state;
629 }
630
631 list_for_each_entry(rdev, &cfg802154_rdev_list, list) {
632 /* TODO net ns compare */
633 if (++idx <= state->start)
634 continue;
635 if (state->filter_wpan_phy != -1 &&
636 state->filter_wpan_phy != rdev->wpan_phy_idx)
637 continue;
638 /* attempt to fit multiple wpan_phy data chunks into the skb */
639 ret = nl802154_send_wpan_phy(rdev,
640 NL802154_CMD_NEW_WPAN_PHY,
641 skb,
642 NETLINK_CB(cb->skb).portid,
643 cb->nlh->nlmsg_seq, NLM_F_MULTI);
644 if (ret < 0) {
645 if ((ret == -ENOBUFS || ret == -EMSGSIZE) &&
646 !skb->len && cb->min_dump_alloc < 4096) {
647 cb->min_dump_alloc = 4096;
648 rtnl_unlock();
649 return 1;
650 }
651 idx--;
652 break;
653 }
654 break;
655 }
656 rtnl_unlock();
657
658 state->start = idx;
659
660 return skb->len;
661}
662
663static int nl802154_dump_wpan_phy_done(struct netlink_callback *cb)
664{
665 kfree((void *)cb->args[0]);
666 return 0;
667}
668
669static int nl802154_get_wpan_phy(struct sk_buff *skb, struct genl_info *info)
670{
671 struct sk_buff *msg;
672 struct cfg802154_registered_device *rdev = info->user_ptr[0];
673
674 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
675 if (!msg)
676 return -ENOMEM;
677
678 if (nl802154_send_wpan_phy(rdev, NL802154_CMD_NEW_WPAN_PHY, msg,
679 info->snd_portid, info->snd_seq, 0) < 0) {
680 nlmsg_free(msg);
681 return -ENOBUFS;
682 }
683
684 return genlmsg_reply(msg, info);
685}
686
4b96aea0
AA		 687static inline u64 wpan_dev_id(struct wpan_dev *wpan_dev)
688{
689 return (u64)wpan_dev->identifier |
690 ((u64)wpan_phy_to_rdev(wpan_dev->wpan_phy)->wpan_phy_idx << 32);
691}
692
a26c5fd7
AA		 693#ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL
694#include <net/ieee802154_netdev.h>
695
696static int
697ieee802154_llsec_send_key_id(struct sk_buff *msg,
698 const struct ieee802154_llsec_key_id *desc)
699{
700 struct nlattr *nl_dev_addr;
701
702 if (nla_put_u32(msg, NL802154_KEY_ID_ATTR_MODE, desc->mode))
703 return -ENOBUFS;
704
705 switch (desc->mode) {
706 case NL802154_KEY_ID_MODE_IMPLICIT:
707 nl_dev_addr = nla_nest_start(msg, NL802154_KEY_ID_ATTR_IMPLICIT);
708 if (!nl_dev_addr)
709 return -ENOBUFS;
710
711 if (nla_put_le16(msg, NL802154_DEV_ADDR_ATTR_PAN_ID,
712 desc->device_addr.pan_id) ||
713 nla_put_u32(msg, NL802154_DEV_ADDR_ATTR_MODE,
714 desc->device_addr.mode))
715 return -ENOBUFS;
716
717 switch (desc->device_addr.mode) {
718 case NL802154_DEV_ADDR_SHORT:
719 if (nla_put_le16(msg, NL802154_DEV_ADDR_ATTR_SHORT,
720 desc->device_addr.short_addr))
721 return -ENOBUFS;
722 break;
723 case NL802154_DEV_ADDR_EXTENDED:
724 if (nla_put_le64(msg, NL802154_DEV_ADDR_ATTR_EXTENDED,
725 desc->device_addr.extended_addr))
726 return -ENOBUFS;
727 break;
728 default:
729 /* userspace should handle unknown */
730 break;
731 }
732
733 nla_nest_end(msg, nl_dev_addr);
734 break;
735 case NL802154_KEY_ID_MODE_INDEX:
736 break;
737 case NL802154_KEY_ID_MODE_INDEX_SHORT:
738 /* TODO renmae short_source? */
739 if (nla_put_le32(msg, NL802154_KEY_ID_ATTR_SOURCE_SHORT,
740 desc->short_source))
741 return -ENOBUFS;
742 break;
743 case NL802154_KEY_ID_MODE_INDEX_EXTENDED:
744 if (nla_put_le64(msg, NL802154_KEY_ID_ATTR_SOURCE_EXTENDED,
745 desc->extended_source))
746 return -ENOBUFS;
747 break;
748 default:
749 /* userspace should handle unknown */
750 break;
751 }
752
753 /* TODO key_id to key_idx ? Check naming */
754 if (desc->mode != NL802154_KEY_ID_MODE_IMPLICIT) {
755 if (nla_put_u8(msg, NL802154_KEY_ID_ATTR_INDEX, desc->id))
756 return -ENOBUFS;
757 }
758
759 return 0;
760}
761
762static int nl802154_get_llsec_params(struct sk_buff *msg,
763 struct cfg802154_registered_device *rdev,
764 struct wpan_dev *wpan_dev)
765{
766 struct nlattr *nl_key_id;
767 struct ieee802154_llsec_params params;
768 int ret;
769
770 ret = rdev_get_llsec_params(rdev, wpan_dev, &params);
771 if (ret < 0)
772 return ret;
773
774 if (nla_put_u8(msg, NL802154_ATTR_SEC_ENABLED, params.enabled) ||
775 nla_put_u32(msg, NL802154_ATTR_SEC_OUT_LEVEL, params.out_level) ||
776 nla_put_be32(msg, NL802154_ATTR_SEC_FRAME_COUNTER,
777 params.frame_counter))
778 return -ENOBUFS;
779
780 nl_key_id = nla_nest_start(msg, NL802154_ATTR_SEC_OUT_KEY_ID);
781 if (!nl_key_id)
782 return -ENOBUFS;
783
784 ret = ieee802154_llsec_send_key_id(msg, &params.out_key);
785 if (ret < 0)
786 return ret;
787
788 nla_nest_end(msg, nl_key_id);
789
790 return 0;
791}
792#endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */
793
4b96aea0
AA		 794static int
795nl802154_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags,
796 struct cfg802154_registered_device *rdev,
797 struct wpan_dev *wpan_dev)
798{
799 struct net_device *dev = wpan_dev->netdev;
800 void *hdr;
801
802 hdr = nl802154hdr_put(msg, portid, seq, flags,
803 NL802154_CMD_NEW_INTERFACE);
804 if (!hdr)
805 return -1;
806
807 if (dev &&
808 (nla_put_u32(msg, NL802154_ATTR_IFINDEX, dev->ifindex) ||
809 nla_put_string(msg, NL802154_ATTR_IFNAME, dev->name)))
810 goto nla_put_failure;
811
812 if (nla_put_u32(msg, NL802154_ATTR_WPAN_PHY, rdev->wpan_phy_idx) ||
813 nla_put_u32(msg, NL802154_ATTR_IFTYPE, wpan_dev->iftype) ||
814 nla_put_u64(msg, NL802154_ATTR_WPAN_DEV, wpan_dev_id(wpan_dev)) ||
815 nla_put_u32(msg, NL802154_ATTR_GENERATION,
816 rdev->devlist_generation ^
817 (cfg802154_rdev_list_generation << 2)))
818 goto nla_put_failure;
819
820 /* address settings */
821 if (nla_put_le64(msg, NL802154_ATTR_EXTENDED_ADDR,
822 wpan_dev->extended_addr) ||
823 nla_put_le16(msg, NL802154_ATTR_SHORT_ADDR,
824 wpan_dev->short_addr) ||
825 nla_put_le16(msg, NL802154_ATTR_PAN_ID, wpan_dev->pan_id))
826 goto nla_put_failure;
827
828 /* ARET handling */
829 if (nla_put_s8(msg, NL802154_ATTR_MAX_FRAME_RETRIES,
830 wpan_dev->frame_retries) ||
831 nla_put_u8(msg, NL802154_ATTR_MAX_BE, wpan_dev->max_be) ||
832 nla_put_u8(msg, NL802154_ATTR_MAX_CSMA_BACKOFFS,
833 wpan_dev->csma_retries) ||
834 nla_put_u8(msg, NL802154_ATTR_MIN_BE, wpan_dev->min_be))
835 goto nla_put_failure;
836
837 /* listen before transmit */
838 if (nla_put_u8(msg, NL802154_ATTR_LBT_MODE, wpan_dev->lbt))
839 goto nla_put_failure;
840
c91208d8
AA		 841 /* ackreq default behaviour */
842 if (nla_put_u8(msg, NL802154_ATTR_ACKREQ_DEFAULT, wpan_dev->ackreq))
843 goto nla_put_failure;
844
a26c5fd7
AA		 845#ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL
846 if (nl802154_get_llsec_params(msg, rdev, wpan_dev) < 0)
847 goto nla_put_failure;
848#endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */
849
053c095a
JB		 850 genlmsg_end(msg, hdr);
851 return 0;
4b96aea0
AA		 852
853nla_put_failure:
854 genlmsg_cancel(msg, hdr);
855 return -EMSGSIZE;
856}
857
858static int
859nl802154_dump_interface(struct sk_buff *skb, struct netlink_callback *cb)
860{
861 int wp_idx = 0;
862 int if_idx = 0;
863 int wp_start = cb->args[0];
864 int if_start = cb->args[1];
865 struct cfg802154_registered_device *rdev;
866 struct wpan_dev *wpan_dev;
867
868 rtnl_lock();
869 list_for_each_entry(rdev, &cfg802154_rdev_list, list) {
870 /* TODO netns compare */
871 if (wp_idx < wp_start) {
872 wp_idx++;
873 continue;
874 }
875 if_idx = 0;
876
877 list_for_each_entry(wpan_dev, &rdev->wpan_dev_list, list) {
878 if (if_idx < if_start) {
879 if_idx++;
880 continue;
881 }
882 if (nl802154_send_iface(skb, NETLINK_CB(cb->skb).portid,
883 cb->nlh->nlmsg_seq, NLM_F_MULTI,
884 rdev, wpan_dev) < 0) {
885 goto out;
886 }
887 if_idx++;
888 }
889
890 wp_idx++;
891 }
892out:
893 rtnl_unlock();
894
895 cb->args[0] = wp_idx;
896 cb->args[1] = if_idx;
897
898 return skb->len;
899}
900
901static int nl802154_get_interface(struct sk_buff *skb, struct genl_info *info)
902{
903 struct sk_buff *msg;
904 struct cfg802154_registered_device *rdev = info->user_ptr[0];
905 struct wpan_dev *wdev = info->user_ptr[1];
906
907 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
908 if (!msg)
909 return -ENOMEM;
910
911 if (nl802154_send_iface(msg, info->snd_portid, info->snd_seq, 0,
912 rdev, wdev) < 0) {
913 nlmsg_free(msg);
914 return -ENOBUFS;
915 }
916
917 return genlmsg_reply(msg, info);
918}
919
f3ea5e44
AA		 920static int nl802154_new_interface(struct sk_buff *skb, struct genl_info *info)
921{
922 struct cfg802154_registered_device *rdev = info->user_ptr[0];
923 enum nl802154_iftype type = NL802154_IFTYPE_UNSPEC;
0e57547e 924 __le64 extended_addr = cpu_to_le64(0x0000000000000000ULL);
f3ea5e44
AA		 925
926 /* TODO avoid failing a new interface
927 * creation due to pending removal?
928 */
929
930 if (!info->attrs[NL802154_ATTR_IFNAME])
931 return -EINVAL;
932
933 if (info->attrs[NL802154_ATTR_IFTYPE]) {
934 type = nla_get_u32(info->attrs[NL802154_ATTR_IFTYPE]);
65318680
AA		 935 if (type > NL802154_IFTYPE_MAX ||
936 !(rdev->wpan_phy.supported.iftypes & BIT(type)))
f3ea5e44
AA		 937 return -EINVAL;
938 }
939
0e57547e 940 if (info->attrs[NL802154_ATTR_EXTENDED_ADDR])
1ee06ef1 941 extended_addr = nla_get_le64(info->attrs[NL802154_ATTR_EXTENDED_ADDR]);
0e57547e 942
f3ea5e44
AA		 943 if (!rdev->ops->add_virtual_intf)
944 return -EOPNOTSUPP;
945
946 return rdev_add_virtual_intf(rdev,
947 nla_data(info->attrs[NL802154_ATTR_IFNAME]),
5b4a1039 948 NET_NAME_USER, type, extended_addr);
f3ea5e44
AA		 949}
950
b821ecd4
AA		 951static int nl802154_del_interface(struct sk_buff *skb, struct genl_info *info)
952{
953 struct cfg802154_registered_device *rdev = info->user_ptr[0];
954 struct wpan_dev *wpan_dev = info->user_ptr[1];
955
956 if (!rdev->ops->del_virtual_intf)
957 return -EOPNOTSUPP;
958
959 /* If we remove a wpan device without a netdev then clear
960 * user_ptr[1] so that nl802154_post_doit won't dereference it
961 * to check if it needs to do dev_put(). Otherwise it crashes
962 * since the wpan_dev has been freed, unlike with a netdev where
963 * we need the dev_put() for the netdev to really be freed.
964 */
965 if (!wpan_dev->netdev)
966 info->user_ptr[1] = NULL;
967
968 return rdev_del_virtual_intf(rdev, wpan_dev);
969}
970
ab0bd561
AA		 971static int nl802154_set_channel(struct sk_buff *skb, struct genl_info *info)
972{
973 struct cfg802154_registered_device *rdev = info->user_ptr[0];
974 u8 channel, page;
975
976 if (!info->attrs[NL802154_ATTR_PAGE] ||
977 !info->attrs[NL802154_ATTR_CHANNEL])
978 return -EINVAL;
979
980 page = nla_get_u8(info->attrs[NL802154_ATTR_PAGE]);
981 channel = nla_get_u8(info->attrs[NL802154_ATTR_CHANNEL]);
982
983 /* check 802.15.4 constraints */
673692fa 984 if (page > IEEE802154_MAX_PAGE || channel > IEEE802154_MAX_CHANNEL ||
72f655e4 985 !(rdev->wpan_phy.supported.channels[page] & BIT(channel)))
ab0bd561
AA		 986 return -EINVAL;
987
988 return rdev_set_channel(rdev, page, channel);
989}
990
ba2a9506
AA		 991static int nl802154_set_cca_mode(struct sk_buff *skb, struct genl_info *info)
992{
993 struct cfg802154_registered_device *rdev = info->user_ptr[0];
994 struct wpan_phy_cca cca;
995
fc4f8052 996 if (!(rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_MODE))
edea8f7c
AA		 997 return -EOPNOTSUPP;
998
ba2a9506
AA		 999 if (!info->attrs[NL802154_ATTR_CCA_MODE])
1000 return -EINVAL;
1001
1002 cca.mode = nla_get_u32(info->attrs[NL802154_ATTR_CCA_MODE]);
1003 /* checking 802.15.4 constraints */
fea3318d
AA		 1004 if (cca.mode < NL802154_CCA_ENERGY ||
1005 cca.mode > NL802154_CCA_ATTR_MAX ||
1006 !(rdev->wpan_phy.supported.cca_modes & BIT(cca.mode)))
ba2a9506
AA		 1007 return -EINVAL;
1008
1009 if (cca.mode == NL802154_CCA_ENERGY_CARRIER) {
1010 if (!info->attrs[NL802154_ATTR_CCA_OPT])
1011 return -EINVAL;
1012
1013 cca.opt = nla_get_u32(info->attrs[NL802154_ATTR_CCA_OPT]);
fea3318d
AA		 1014 if (cca.opt > NL802154_CCA_OPT_ATTR_MAX ||
1015 !(rdev->wpan_phy.supported.cca_opts & BIT(cca.opt)))
ba2a9506
AA		 1016 return -EINVAL;
1017 }
1018
1019 return rdev_set_cca_mode(rdev, &cca);
1020}
1021
b69644c1
AA		 1022static int nl802154_set_cca_ed_level(struct sk_buff *skb, struct genl_info *info)
1023{
1024 struct cfg802154_registered_device *rdev = info->user_ptr[0];
1025 s32 ed_level;
1026 int i;
1027
1028 if (!(rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_ED_LEVEL))
1029 return -EOPNOTSUPP;
1030
1031 if (!info->attrs[NL802154_ATTR_CCA_ED_LEVEL])
1032 return -EINVAL;
1033
1034 ed_level = nla_get_s32(info->attrs[NL802154_ATTR_CCA_ED_LEVEL]);
1035
1036 for (i = 0; i < rdev->wpan_phy.supported.cca_ed_levels_size; i++) {
1037 if (ed_level == rdev->wpan_phy.supported.cca_ed_levels[i])
1038 return rdev_set_cca_ed_level(rdev, ed_level);
1039 }
1040
1041 return -EINVAL;
1042}
1043
0f999b09
VB		 1044static int nl802154_set_tx_power(struct sk_buff *skb, struct genl_info *info)
1045{
1046 struct cfg802154_registered_device *rdev = info->user_ptr[0];
1047 s32 power;
1048 int i;
1049
1050 if (!(rdev->wpan_phy.flags & WPAN_PHY_FLAG_TXPOWER))
1051 return -EOPNOTSUPP;
1052
1053 if (!info->attrs[NL802154_ATTR_TX_POWER])
1054 return -EINVAL;
1055
1056 power = nla_get_s32(info->attrs[NL802154_ATTR_TX_POWER]);
1057
1058 for (i = 0; i < rdev->wpan_phy.supported.tx_powers_size; i++) {
1059 if (power == rdev->wpan_phy.supported.tx_powers[i])
1060 return rdev_set_tx_power(rdev, power);
1061 }
1062
1063 return -EINVAL;
1064}
1065
702bf371
AA		 1066static int nl802154_set_pan_id(struct sk_buff *skb, struct genl_info *info)
1067{
1068 struct cfg802154_registered_device *rdev = info->user_ptr[0];
1069 struct net_device *dev = info->user_ptr[1];
1070 struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
ee7b9053 1071 __le16 pan_id;
702bf371
AA		 1072
1073 /* conflict here while tx/rx calls */
1074 if (netif_running(dev))
1075 return -EBUSY;
1076
9e3b71f3
AA		 1077 if (wpan_dev->lowpan_dev) {
1078 if (netif_running(wpan_dev->lowpan_dev))
1079 return -EBUSY;
1080 }
1081
702bf371 1082 /* don't change address fields on monitor */
0cf0879a
AA		 1083 if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR ||
1084 !info->attrs[NL802154_ATTR_PAN_ID])
702bf371
AA		 1085 return -EINVAL;
1086
ee7b9053 1087 pan_id = nla_get_le16(info->attrs[NL802154_ATTR_PAN_ID]);
702bf371 1088
673692fa
AA		 1089 /* TODO
1090 * I am not sure about to check here on broadcast pan_id.
1091 * Broadcast is a valid setting, comment from 802.15.4:
1092 * If this value is 0xffff, the device is not associated.
1093 *
1094 * This could useful to simple deassociate an device.
1095 */
1096 if (pan_id == cpu_to_le16(IEEE802154_PAN_ID_BROADCAST))
1097 return -EINVAL;
1098
702bf371
AA		 1099 return rdev_set_pan_id(rdev, wpan_dev, pan_id);
1100}
1101
9830c62a
AA		 1102static int nl802154_set_short_addr(struct sk_buff *skb, struct genl_info *info)
1103{
1104 struct cfg802154_registered_device *rdev = info->user_ptr[0];
1105 struct net_device *dev = info->user_ptr[1];
1106 struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
ee7b9053 1107 __le16 short_addr;
9830c62a
AA		 1108
1109 /* conflict here while tx/rx calls */
1110 if (netif_running(dev))
1111 return -EBUSY;
1112
9e3b71f3
AA		 1113 if (wpan_dev->lowpan_dev) {
1114 if (netif_running(wpan_dev->lowpan_dev))
1115 return -EBUSY;
1116 }
1117
9830c62a 1118 /* don't change address fields on monitor */
0cf0879a
AA		 1119 if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR ||
1120 !info->attrs[NL802154_ATTR_SHORT_ADDR])
9830c62a
AA		 1121 return -EINVAL;
1122
ee7b9053 1123 short_addr = nla_get_le16(info->attrs[NL802154_ATTR_SHORT_ADDR]);
9830c62a 1124
673692fa
AA		 1125 /* TODO
1126 * I am not sure about to check here on broadcast short_addr.
1127 * Broadcast is a valid setting, comment from 802.15.4:
1128 * A value of 0xfffe indicates that the device has
1129 * associated but has not been allocated an address. A
1130 * value of 0xffff indicates that the device does not
1131 * have a short address.
1132 *
1133 * I think we should allow to set these settings but
1134 * don't allow to allow socket communication with it.
1135 */
1136 if (short_addr == cpu_to_le16(IEEE802154_ADDR_SHORT_UNSPEC) ||
1137 short_addr == cpu_to_le16(IEEE802154_ADDR_SHORT_BROADCAST))
1138 return -EINVAL;
1139
9830c62a
AA		 1140 return rdev_set_short_addr(rdev, wpan_dev, short_addr);
1141}
1142
656a999e
AA		 1143static int
1144nl802154_set_backoff_exponent(struct sk_buff *skb, struct genl_info *info)
1145{
1146 struct cfg802154_registered_device *rdev = info->user_ptr[0];
1147 struct net_device *dev = info->user_ptr[1];
1148 struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
1149 u8 min_be, max_be;
1150
1151 /* should be set on netif open inside phy settings */
1152 if (netif_running(dev))
1153 return -EBUSY;
1154
1155 if (!info->attrs[NL802154_ATTR_MIN_BE] ||
1156 !info->attrs[NL802154_ATTR_MAX_BE])
1157 return -EINVAL;
1158
1159 min_be = nla_get_u8(info->attrs[NL802154_ATTR_MIN_BE]);
1160 max_be = nla_get_u8(info->attrs[NL802154_ATTR_MAX_BE]);
1161
1162 /* check 802.15.4 constraints */
fea3318d
AA		 1163 if (min_be < rdev->wpan_phy.supported.min_minbe ||
1164 min_be > rdev->wpan_phy.supported.max_minbe ||
1165 max_be < rdev->wpan_phy.supported.min_maxbe ||
1166 max_be > rdev->wpan_phy.supported.max_maxbe ||
1167 min_be > max_be)
656a999e
AA		 1168 return -EINVAL;
1169
1170 return rdev_set_backoff_exponent(rdev, wpan_dev, min_be, max_be);
1171}
1172
a01ba765
AA		 1173static int
1174nl802154_set_max_csma_backoffs(struct sk_buff *skb, struct genl_info *info)
1175{
1176 struct cfg802154_registered_device *rdev = info->user_ptr[0];
1177 struct net_device *dev = info->user_ptr[1];
1178 struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
1179 u8 max_csma_backoffs;
1180
1181 /* conflict here while other running iface settings */
1182 if (netif_running(dev))
1183 return -EBUSY;
1184
1185 if (!info->attrs[NL802154_ATTR_MAX_CSMA_BACKOFFS])
1186 return -EINVAL;
1187
1188 max_csma_backoffs = nla_get_u8(
1189 info->attrs[NL802154_ATTR_MAX_CSMA_BACKOFFS]);
1190
1191 /* check 802.15.4 constraints */
fea3318d
AA		 1192 if (max_csma_backoffs < rdev->wpan_phy.supported.min_csma_backoffs ||
1193 max_csma_backoffs > rdev->wpan_phy.supported.max_csma_backoffs)
a01ba765
AA		 1194 return -EINVAL;
1195
1196 return rdev_set_max_csma_backoffs(rdev, wpan_dev, max_csma_backoffs);
1197}
1198
17a3a46b
AA		 1199static int
1200nl802154_set_max_frame_retries(struct sk_buff *skb, struct genl_info *info)
1201{
1202 struct cfg802154_registered_device *rdev = info->user_ptr[0];
1203 struct net_device *dev = info->user_ptr[1];
1204 struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
1205 s8 max_frame_retries;
1206
1207 if (netif_running(dev))
1208 return -EBUSY;
1209
1210 if (!info->attrs[NL802154_ATTR_MAX_FRAME_RETRIES])
1211 return -EINVAL;
1212
1213 max_frame_retries = nla_get_s8(
1214 info->attrs[NL802154_ATTR_MAX_FRAME_RETRIES]);
1215
1216 /* check 802.15.4 constraints */
fea3318d
AA		 1217 if (max_frame_retries < rdev->wpan_phy.supported.min_frame_retries ||
1218 max_frame_retries > rdev->wpan_phy.supported.max_frame_retries)
17a3a46b
AA		 1219 return -EINVAL;
1220
1221 return rdev_set_max_frame_retries(rdev, wpan_dev, max_frame_retries);
1222}
1223
c8937a1d
AA		 1224static int nl802154_set_lbt_mode(struct sk_buff *skb, struct genl_info *info)
1225{
1226 struct cfg802154_registered_device *rdev = info->user_ptr[0];
1227 struct net_device *dev = info->user_ptr[1];
1228 struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
4e1795de 1229 int mode;
c8937a1d
AA		 1230
1231 if (netif_running(dev))
1232 return -EBUSY;
1233
1234 if (!info->attrs[NL802154_ATTR_LBT_MODE])
1235 return -EINVAL;
1236
4e1795de
SS		 1237 mode = nla_get_u8(info->attrs[NL802154_ATTR_LBT_MODE]);
1238
1239 if (mode != 0 && mode != 1)
1240 return -EINVAL;
1241
fea3318d
AA		 1242 if (!wpan_phy_supported_bool(mode, rdev->wpan_phy.supported.lbt))
1243 return -EINVAL;
1244
c8937a1d
AA		 1245 return rdev_set_lbt_mode(rdev, wpan_dev, mode);
1246}
1247
c91208d8
AA		 1248static int
1249nl802154_set_ackreq_default(struct sk_buff *skb, struct genl_info *info)
1250{
1251 struct cfg802154_registered_device *rdev = info->user_ptr[0];
1252 struct net_device *dev = info->user_ptr[1];
1253 struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
4e1795de 1254 int ackreq;
c91208d8
AA		 1255
1256 if (netif_running(dev))
1257 return -EBUSY;
1258
1259 if (!info->attrs[NL802154_ATTR_ACKREQ_DEFAULT])
1260 return -EINVAL;
1261
4e1795de
SS		 1262 ackreq = nla_get_u8(info->attrs[NL802154_ATTR_ACKREQ_DEFAULT]);
1263
1264 if (ackreq != 0 && ackreq != 1)
1265 return -EINVAL;
1266
c91208d8
AA		 1267 return rdev_set_ackreq_default(rdev, wpan_dev, ackreq);
1268}
1269
a26c5fd7
AA		 1270#ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL
1271static const struct nla_policy nl802154_dev_addr_policy[NL802154_DEV_ADDR_ATTR_MAX + 1] = {
1272 [NL802154_DEV_ADDR_ATTR_PAN_ID] = { .type = NLA_U16 },
1273 [NL802154_DEV_ADDR_ATTR_MODE] = { .type = NLA_U32 },
1274 [NL802154_DEV_ADDR_ATTR_SHORT] = { .type = NLA_U16 },
1275 [NL802154_DEV_ADDR_ATTR_EXTENDED] = { .type = NLA_U64 },
1276};
79fe1a2a 1277
a26c5fd7
AA		 1278static int
1279ieee802154_llsec_parse_dev_addr(struct nlattr *nla,
1280 struct ieee802154_addr *addr)
79fe1a2a 1281{
a26c5fd7 1282 struct nlattr *attrs[NL802154_DEV_ADDR_ATTR_MAX + 1];
79fe1a2a 1283
a26c5fd7
AA		 1284 if (!nla || nla_parse_nested(attrs, NL802154_DEV_ADDR_ATTR_MAX, nla,
1285 nl802154_dev_addr_policy))
1286 return -EINVAL;
79fe1a2a 1287
a26c5fd7
AA		 1288 if (!attrs[NL802154_DEV_ADDR_ATTR_PAN_ID] &&
1289 !attrs[NL802154_DEV_ADDR_ATTR_MODE] &&
1290 !(attrs[NL802154_DEV_ADDR_ATTR_SHORT] ||
1291 attrs[NL802154_DEV_ADDR_ATTR_EXTENDED]))
1292 return -EINVAL;
79fe1a2a 1293
a26c5fd7
AA		 1294 addr->pan_id = nla_get_le16(attrs[NL802154_DEV_ADDR_ATTR_PAN_ID]);
1295 addr->mode = nla_get_u32(attrs[NL802154_DEV_ADDR_ATTR_MODE]);
1296 switch (addr->mode) {
1297 case NL802154_DEV_ADDR_SHORT:
1298 addr->short_addr = nla_get_le16(attrs[NL802154_DEV_ADDR_ATTR_SHORT]);
1299 break;
1300 case NL802154_DEV_ADDR_EXTENDED:
1301 addr->extended_addr = nla_get_le64(attrs[NL802154_DEV_ADDR_ATTR_EXTENDED]);
1302 break;
1303 default:
1304 return -EINVAL;
1305 }
79fe1a2a 1306
a26c5fd7
AA		 1307 return 0;
1308}
79fe1a2a 1309
a26c5fd7
AA		 1310static const struct nla_policy nl802154_key_id_policy[NL802154_KEY_ID_ATTR_MAX + 1] = {
1311 [NL802154_KEY_ID_ATTR_MODE] = { .type = NLA_U32 },
1312 [NL802154_KEY_ID_ATTR_INDEX] = { .type = NLA_U8 },
1313 [NL802154_KEY_ID_ATTR_IMPLICIT] = { .type = NLA_NESTED },
1314 [NL802154_KEY_ID_ATTR_SOURCE_SHORT] = { .type = NLA_U32 },
1315 [NL802154_KEY_ID_ATTR_SOURCE_EXTENDED] = { .type = NLA_U64 },
1316};
79fe1a2a 1317
a26c5fd7
AA		 1318static int
1319ieee802154_llsec_parse_key_id(struct nlattr *nla,
1320 struct ieee802154_llsec_key_id *desc)
1321{
1322 struct nlattr *attrs[NL802154_KEY_ID_ATTR_MAX + 1];
79fe1a2a 1323
a26c5fd7
AA		 1324 if (!nla || nla_parse_nested(attrs, NL802154_KEY_ID_ATTR_MAX, nla,
1325 nl802154_key_id_policy))
1326 return -EINVAL;
79fe1a2a 1327
a26c5fd7
AA		 1328 if (!attrs[NL802154_KEY_ID_ATTR_MODE])
1329 return -EINVAL;
1330
1331 desc->mode = nla_get_u32(attrs[NL802154_KEY_ID_ATTR_MODE]);
1332 switch (desc->mode) {
1333 case NL802154_KEY_ID_MODE_IMPLICIT:
1334 if (!attrs[NL802154_KEY_ID_ATTR_IMPLICIT])
1335 return -EINVAL;
1336
1337 if (ieee802154_llsec_parse_dev_addr(attrs[NL802154_KEY_ID_ATTR_IMPLICIT],
1338 &desc->device_addr) < 0)
1339 return -EINVAL;
1340 break;
1341 case NL802154_KEY_ID_MODE_INDEX:
1342 break;
1343 case NL802154_KEY_ID_MODE_INDEX_SHORT:
1344 if (!attrs[NL802154_KEY_ID_ATTR_SOURCE_SHORT])
1345 return -EINVAL;
1346
1347 desc->short_source = nla_get_le32(attrs[NL802154_KEY_ID_ATTR_SOURCE_SHORT]);
1348 break;
1349 case NL802154_KEY_ID_MODE_INDEX_EXTENDED:
1350 if (!attrs[NL802154_KEY_ID_ATTR_SOURCE_EXTENDED])
1351 return -EINVAL;
1352
1353 desc->extended_source = nla_get_le64(attrs[NL802154_KEY_ID_ATTR_SOURCE_EXTENDED]);
1354 break;
1355 default:
1356 return -EINVAL;
1357 }
1358
1359 if (desc->mode != NL802154_KEY_ID_MODE_IMPLICIT) {
1360 if (!attrs[NL802154_KEY_ID_ATTR_INDEX])
1361 return -EINVAL;
1362
1363 /* TODO change id to idx */
1364 desc->id = nla_get_u8(attrs[NL802154_KEY_ID_ATTR_INDEX]);
79fe1a2a
AA		 1365 }
1366
1367 return 0;
1368}
1369
a26c5fd7
AA		 1370static int nl802154_set_llsec_params(struct sk_buff *skb,
1371 struct genl_info *info)
79fe1a2a 1372{
a26c5fd7
AA		 1373 struct cfg802154_registered_device *rdev = info->user_ptr[0];
1374 struct net_device *dev = info->user_ptr[1];
1375 struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
1376 struct ieee802154_llsec_params params;
1377 u32 changed = 0;
1378 int ret;
79fe1a2a 1379
a26c5fd7
AA		 1380 if (info->attrs[NL802154_ATTR_SEC_ENABLED]) {
1381 u8 enabled;
1382
1383 enabled = nla_get_u8(info->attrs[NL802154_ATTR_SEC_ENABLED]);
1384 if (enabled != 0 && enabled != 1)
1385 return -EINVAL;
1386
1387 params.enabled = nla_get_u8(info->attrs[NL802154_ATTR_SEC_ENABLED]);
1388 changed |= IEEE802154_LLSEC_PARAM_ENABLED;
1389 }
1390
1391 if (info->attrs[NL802154_ATTR_SEC_OUT_KEY_ID]) {
1392 ret = ieee802154_llsec_parse_key_id(info->attrs[NL802154_ATTR_SEC_OUT_KEY_ID],
1393 &params.out_key);
1394 if (ret < 0)
1395 return ret;
1396
1397 changed |= IEEE802154_LLSEC_PARAM_OUT_KEY;
1398 }
1399
1400 if (info->attrs[NL802154_ATTR_SEC_OUT_LEVEL]) {
1401 params.out_level = nla_get_u32(info->attrs[NL802154_ATTR_SEC_OUT_LEVEL]);
1402 if (params.out_level > NL802154_SECLEVEL_MAX)
1403 return -EINVAL;
1404
1405 changed |= IEEE802154_LLSEC_PARAM_OUT_LEVEL;
1406 }
1407
1408 if (info->attrs[NL802154_ATTR_SEC_FRAME_COUNTER]) {
1409 params.frame_counter = nla_get_be32(info->attrs[NL802154_ATTR_SEC_FRAME_COUNTER]);
1410 changed |= IEEE802154_LLSEC_PARAM_FRAME_COUNTER;
1411 }
1412
1413 return rdev_set_llsec_params(rdev, wpan_dev, &params, changed);
1414}
1415
1416static int nl802154_send_key(struct sk_buff *msg, u32 cmd, u32 portid,
1417 u32 seq, int flags,
1418 struct cfg802154_registered_device *rdev,
1419 struct net_device *dev,
1420 const struct ieee802154_llsec_key_entry *key)
1421{
1422 void *hdr;
1423 u32 commands[NL802154_CMD_FRAME_NR_IDS / 32];
1424 struct nlattr *nl_key, *nl_key_id;
1425
1426 hdr = nl802154hdr_put(msg, portid, seq, flags, cmd);
1427 if (!hdr)
1428 return -1;
1429
1430 if (nla_put_u32(msg, NL802154_ATTR_IFINDEX, dev->ifindex))
1431 goto nla_put_failure;
1432
1433 nl_key = nla_nest_start(msg, NL802154_ATTR_SEC_KEY);
1434 if (!nl_key)
1435 goto nla_put_failure;
1436
1437 nl_key_id = nla_nest_start(msg, NL802154_KEY_ATTR_ID);
1438 if (!nl_key_id)
1439 goto nla_put_failure;
1440
1441 if (ieee802154_llsec_send_key_id(msg, &key->id) < 0)
1442 goto nla_put_failure;
1443
1444 nla_nest_end(msg, nl_key_id);
1445
1446 if (nla_put_u8(msg, NL802154_KEY_ATTR_USAGE_FRAMES,
1447 key->key->frame_types))
1448 goto nla_put_failure;
1449
1450 if (key->key->frame_types & BIT(NL802154_FRAME_CMD)) {
1451 /* TODO for each nested */
1452 memset(commands, 0, sizeof(commands));
1453 commands[7] = key->key->cmd_frame_ids;
1454 if (nla_put(msg, NL802154_KEY_ATTR_USAGE_CMDS,
1455 sizeof(commands), commands))
1456 goto nla_put_failure;
1457 }
1458
1459 if (nla_put(msg, NL802154_KEY_ATTR_BYTES, NL802154_KEY_SIZE,
1460 key->key->key))
1461 goto nla_put_failure;
1462
1463 nla_nest_end(msg, nl_key);
1464 genlmsg_end(msg, hdr);
1465
1466 return 0;
1467
1468nla_put_failure:
1469 genlmsg_cancel(msg, hdr);
1470 return -EMSGSIZE;
1471}
1472
1473static int
1474nl802154_dump_llsec_key(struct sk_buff *skb, struct netlink_callback *cb)
1475{
1476 struct cfg802154_registered_device *rdev = NULL;
1477 struct ieee802154_llsec_key_entry *key;
1478 struct ieee802154_llsec_table *table;
1479 struct wpan_dev *wpan_dev;
1480 int err;
1481
1482 err = nl802154_prepare_wpan_dev_dump(skb, cb, &rdev, &wpan_dev);
1483 if (err)
1484 return err;
1485
1486 if (!wpan_dev->netdev) {
1487 err = -EINVAL;
1488 goto out_err;
1489 }
1490
1491 rdev_lock_llsec_table(rdev, wpan_dev);
1492 rdev_get_llsec_table(rdev, wpan_dev, &table);
1493
1494 /* TODO make it like station dump */
1495 if (cb->args[2])
1496 goto out;
1497
1498 list_for_each_entry(key, &table->keys, list) {
1499 if (nl802154_send_key(skb, NL802154_CMD_NEW_SEC_KEY,
1500 NETLINK_CB(cb->skb).portid,
1501 cb->nlh->nlmsg_seq, NLM_F_MULTI,
1502 rdev, wpan_dev->netdev, key) < 0) {
1503 /* TODO */
1504 err = -EIO;
1505 rdev_unlock_llsec_table(rdev, wpan_dev);
1506 goto out_err;
79fe1a2a
AA		 1507 }
1508 }
1509
a26c5fd7
AA		 1510 cb->args[2] = 1;
1511
1512out:
1513 rdev_unlock_llsec_table(rdev, wpan_dev);
1514 err = skb->len;
1515out_err:
1516 nl802154_finish_wpan_dev_dump(rdev);
1517
1518 return err;
79fe1a2a
AA		 1519}
1520
a26c5fd7
AA		 1521static const struct nla_policy nl802154_key_policy[NL802154_KEY_ATTR_MAX + 1] = {
1522 [NL802154_KEY_ATTR_ID] = { NLA_NESTED },
1523 /* TODO handle it as for_each_nested and NLA_FLAG? */
1524 [NL802154_KEY_ATTR_USAGE_FRAMES] = { NLA_U8 },
1525 /* TODO handle it as for_each_nested, not static array? */
1526 [NL802154_KEY_ATTR_USAGE_CMDS] = { .len = NL802154_CMD_FRAME_NR_IDS / 8 },
1527 [NL802154_KEY_ATTR_BYTES] = { .len = NL802154_KEY_SIZE },
1528};
1529
1530static int nl802154_add_llsec_key(struct sk_buff *skb, struct genl_info *info)
1531{
1532 struct cfg802154_registered_device *rdev = info->user_ptr[0];
1533 struct net_device *dev = info->user_ptr[1];
1534 struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
1535 struct nlattr *attrs[NL802154_KEY_ATTR_MAX + 1];
1536 struct ieee802154_llsec_key key = { };
1537 struct ieee802154_llsec_key_id id = { };
1538 u32 commands[NL802154_CMD_FRAME_NR_IDS / 32] = { };
1539
1540 if (nla_parse_nested(attrs, NL802154_KEY_ATTR_MAX,
1541 info->attrs[NL802154_ATTR_SEC_KEY],
1542 nl802154_key_policy))
1543 return -EINVAL;
1544
1545 if (!attrs[NL802154_KEY_ATTR_USAGE_FRAMES] ||
1546 !attrs[NL802154_KEY_ATTR_BYTES])
aa655562 1547 return -EINVAL;
a26c5fd7
AA		 1548
1549 if (ieee802154_llsec_parse_key_id(attrs[NL802154_KEY_ATTR_ID], &id) < 0)
1550 return -ENOBUFS;
1551
1552 key.frame_types = nla_get_u8(attrs[NL802154_KEY_ATTR_USAGE_FRAMES]);
1553 if (key.frame_types > BIT(NL802154_FRAME_MAX) ||
1554 ((key.frame_types & BIT(NL802154_FRAME_CMD)) &&
1555 !attrs[NL802154_KEY_ATTR_USAGE_CMDS]))
1556 return -EINVAL;
1557
1558 if (attrs[NL802154_KEY_ATTR_USAGE_CMDS]) {
1559 /* TODO for each nested */
1560 nla_memcpy(commands, attrs[NL802154_KEY_ATTR_USAGE_CMDS],
1561 NL802154_CMD_FRAME_NR_IDS / 8);
1562
1563 /* TODO understand the -EINVAL logic here? last condition */
1564 if (commands[0] || commands[1] || commands[2] || commands[3] ||
1565 commands[4] || commands[5] || commands[6] ||
1566 commands[7] > BIT(NL802154_CMD_FRAME_MAX))
1567 return -EINVAL;
1568
1569 key.cmd_frame_ids = commands[7];
1570 } else {
1571 key.cmd_frame_ids = 0;
1572 }
1573
1574 nla_memcpy(key.key, attrs[NL802154_KEY_ATTR_BYTES], NL802154_KEY_SIZE);
1575
1576 if (ieee802154_llsec_parse_key_id(attrs[NL802154_KEY_ATTR_ID], &id) < 0)
1577 return -ENOBUFS;
1578
1579 return rdev_add_llsec_key(rdev, wpan_dev, &id, &key);
1580}
1581
1582static int nl802154_del_llsec_key(struct sk_buff *skb, struct genl_info *info)
1583{
1584 struct cfg802154_registered_device *rdev = info->user_ptr[0];
1585 struct net_device *dev = info->user_ptr[1];
1586 struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
1587 struct nlattr *attrs[NL802154_KEY_ATTR_MAX + 1];
1588 struct ieee802154_llsec_key_id id;
1589
1590 if (nla_parse_nested(attrs, NL802154_KEY_ATTR_MAX,
1591 info->attrs[NL802154_ATTR_SEC_KEY],
1592 nl802154_key_policy))
1593 return -EINVAL;
1594
1595 if (ieee802154_llsec_parse_key_id(attrs[NL802154_KEY_ATTR_ID], &id) < 0)
1596 return -ENOBUFS;
1597
1598 return rdev_del_llsec_key(rdev, wpan_dev, &id);
1599}
1600
1601static int nl802154_send_device(struct sk_buff *msg, u32 cmd, u32 portid,
1602 u32 seq, int flags,
1603 struct cfg802154_registered_device *rdev,
1604 struct net_device *dev,
1605 const struct ieee802154_llsec_device *dev_desc)
1606{
1607 void *hdr;
1608 struct nlattr *nl_device;
1609
1610 hdr = nl802154hdr_put(msg, portid, seq, flags, cmd);
1611 if (!hdr)
1612 return -1;
1613
1614 if (nla_put_u32(msg, NL802154_ATTR_IFINDEX, dev->ifindex))
1615 goto nla_put_failure;
1616
1617 nl_device = nla_nest_start(msg, NL802154_ATTR_SEC_DEVICE);
1618 if (!nl_device)
1619 goto nla_put_failure;
1620
1621 if (nla_put_u32(msg, NL802154_DEV_ATTR_FRAME_COUNTER,
1622 dev_desc->frame_counter) ||
1623 nla_put_le16(msg, NL802154_DEV_ATTR_PAN_ID, dev_desc->pan_id) ||
1624 nla_put_le16(msg, NL802154_DEV_ATTR_SHORT_ADDR,
1625 dev_desc->short_addr) ||
1626 nla_put_le64(msg, NL802154_DEV_ATTR_EXTENDED_ADDR,
1627 dev_desc->hwaddr) ||
1628 nla_put_u8(msg, NL802154_DEV_ATTR_SECLEVEL_EXEMPT,
1629 dev_desc->seclevel_exempt) ||
1630 nla_put_u32(msg, NL802154_DEV_ATTR_KEY_MODE, dev_desc->key_mode))
1631 goto nla_put_failure;
1632
1633 nla_nest_end(msg, nl_device);
1634 genlmsg_end(msg, hdr);
1635
1636 return 0;
1637
1638nla_put_failure:
1639 genlmsg_cancel(msg, hdr);
1640 return -EMSGSIZE;
1641}
1642
1643static int
1644nl802154_dump_llsec_dev(struct sk_buff *skb, struct netlink_callback *cb)
1645{
1646 struct cfg802154_registered_device *rdev = NULL;
1647 struct ieee802154_llsec_device *dev;
1648 struct ieee802154_llsec_table *table;
1649 struct wpan_dev *wpan_dev;
1650 int err;
1651
1652 err = nl802154_prepare_wpan_dev_dump(skb, cb, &rdev, &wpan_dev);
1653 if (err)
1654 return err;
1655
1656 if (!wpan_dev->netdev) {
1657 err = -EINVAL;
1658 goto out_err;
1659 }
1660
1661 rdev_lock_llsec_table(rdev, wpan_dev);
1662 rdev_get_llsec_table(rdev, wpan_dev, &table);
1663
1664 /* TODO make it like station dump */
1665 if (cb->args[2])
1666 goto out;
1667
1668 list_for_each_entry(dev, &table->devices, list) {
1669 if (nl802154_send_device(skb, NL802154_CMD_NEW_SEC_LEVEL,
1670 NETLINK_CB(cb->skb).portid,
1671 cb->nlh->nlmsg_seq, NLM_F_MULTI,
1672 rdev, wpan_dev->netdev, dev) < 0) {
1673 /* TODO */
1674 err = -EIO;
1675 rdev_unlock_llsec_table(rdev, wpan_dev);
1676 goto out_err;
1677 }
1678 }
1679
1680 cb->args[2] = 1;
1681
1682out:
1683 rdev_unlock_llsec_table(rdev, wpan_dev);
1684 err = skb->len;
1685out_err:
1686 nl802154_finish_wpan_dev_dump(rdev);
1687
1688 return err;
1689}
1690
1691static const struct nla_policy nl802154_dev_policy[NL802154_DEV_ATTR_MAX + 1] = {
1692 [NL802154_DEV_ATTR_FRAME_COUNTER] = { NLA_U32 },
1693 [NL802154_DEV_ATTR_PAN_ID] = { .type = NLA_U16 },
1694 [NL802154_DEV_ATTR_SHORT_ADDR] = { .type = NLA_U16 },
1695 [NL802154_DEV_ATTR_EXTENDED_ADDR] = { .type = NLA_U64 },
1696 [NL802154_DEV_ATTR_SECLEVEL_EXEMPT] = { NLA_U8 },
1697 [NL802154_DEV_ATTR_KEY_MODE] = { NLA_U32 },
1698};
1699
1700static int
1701ieee802154_llsec_parse_device(struct nlattr *nla,
1702 struct ieee802154_llsec_device *dev)
1703{
1704 struct nlattr *attrs[NL802154_DEV_ATTR_MAX + 1];
1705
1706 if (!nla || nla_parse_nested(attrs, NL802154_DEV_ATTR_MAX, nla,
1707 nl802154_dev_policy))
1708 return -EINVAL;
1709
1710 memset(dev, 0, sizeof(*dev));
1711
1712 if (!attrs[NL802154_DEV_ATTR_FRAME_COUNTER] ||
1713 !attrs[NL802154_DEV_ATTR_PAN_ID] ||
1714 !attrs[NL802154_DEV_ATTR_SHORT_ADDR] ||
1715 !attrs[NL802154_DEV_ATTR_EXTENDED_ADDR] ||
1716 !attrs[NL802154_DEV_ATTR_SECLEVEL_EXEMPT] ||
1717 !attrs[NL802154_DEV_ATTR_KEY_MODE])
1718 return -EINVAL;
1719
1720 /* TODO be32 */
1721 dev->frame_counter = nla_get_u32(attrs[NL802154_DEV_ATTR_FRAME_COUNTER]);
1722 dev->pan_id = nla_get_le16(attrs[NL802154_DEV_ATTR_PAN_ID]);
1723 dev->short_addr = nla_get_le16(attrs[NL802154_DEV_ATTR_SHORT_ADDR]);
1724 /* TODO rename hwaddr to extended_addr */
1725 dev->hwaddr = nla_get_le64(attrs[NL802154_DEV_ATTR_EXTENDED_ADDR]);
1726 dev->seclevel_exempt = nla_get_u8(attrs[NL802154_DEV_ATTR_SECLEVEL_EXEMPT]);
1727 dev->key_mode = nla_get_u32(attrs[NL802154_DEV_ATTR_KEY_MODE]);
1728
1729 if (dev->key_mode > NL802154_DEVKEY_MAX ||
1730 (dev->seclevel_exempt != 0 && dev->seclevel_exempt != 1))
1731 return -EINVAL;
1732
1733 return 0;
1734}
1735
1736static int nl802154_add_llsec_dev(struct sk_buff *skb, struct genl_info *info)
1737{
1738 struct cfg802154_registered_device *rdev = info->user_ptr[0];
1739 struct net_device *dev = info->user_ptr[1];
1740 struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
1741 struct ieee802154_llsec_device dev_desc;
1742
1743 if (ieee802154_llsec_parse_device(info->attrs[NL802154_ATTR_SEC_DEVICE],
1744 &dev_desc) < 0)
1745 return -EINVAL;
1746
1747 return rdev_add_device(rdev, wpan_dev, &dev_desc);
1748}
1749
1750static int nl802154_del_llsec_dev(struct sk_buff *skb, struct genl_info *info)
1751{
1752 struct cfg802154_registered_device *rdev = info->user_ptr[0];
1753 struct net_device *dev = info->user_ptr[1];
1754 struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
1755 struct nlattr *attrs[NL802154_DEV_ATTR_MAX + 1];
1756 __le64 extended_addr;
1757
1758 if (nla_parse_nested(attrs, NL802154_DEV_ATTR_MAX,
1759 info->attrs[NL802154_ATTR_SEC_DEVICE],
1760 nl802154_dev_policy))
1761 return -EINVAL;
1762
1763 if (!attrs[NL802154_DEV_ATTR_EXTENDED_ADDR])
1764 return -EINVAL;
1765
1766 extended_addr = nla_get_le64(attrs[NL802154_DEV_ATTR_EXTENDED_ADDR]);
1767 return rdev_del_device(rdev, wpan_dev, extended_addr);
1768}
1769
1770static int nl802154_send_devkey(struct sk_buff *msg, u32 cmd, u32 portid,
1771 u32 seq, int flags,
1772 struct cfg802154_registered_device *rdev,
1773 struct net_device *dev, __le64 extended_addr,
1774 const struct ieee802154_llsec_device_key *devkey)
1775{
1776 void *hdr;
1777 struct nlattr *nl_devkey, *nl_key_id;
1778
1779 hdr = nl802154hdr_put(msg, portid, seq, flags, cmd);
1780 if (!hdr)
1781 return -1;
1782
1783 if (nla_put_u32(msg, NL802154_ATTR_IFINDEX, dev->ifindex))
1784 goto nla_put_failure;
1785
1786 nl_devkey = nla_nest_start(msg, NL802154_ATTR_SEC_DEVKEY);
1787 if (!nl_devkey)
1788 goto nla_put_failure;
1789
1790 if (nla_put_le64(msg, NL802154_DEVKEY_ATTR_EXTENDED_ADDR,
1791 extended_addr) ||
1792 nla_put_u32(msg, NL802154_DEVKEY_ATTR_FRAME_COUNTER,
1793 devkey->frame_counter))
1794 goto nla_put_failure;
1795
1796 nl_key_id = nla_nest_start(msg, NL802154_DEVKEY_ATTR_ID);
1797 if (!nl_key_id)
1798 goto nla_put_failure;
1799
1800 if (ieee802154_llsec_send_key_id(msg, &devkey->key_id) < 0)
1801 goto nla_put_failure;
1802
1803 nla_nest_end(msg, nl_key_id);
1804 nla_nest_end(msg, nl_devkey);
1805 genlmsg_end(msg, hdr);
1806
1807 return 0;
1808
1809nla_put_failure:
1810 genlmsg_cancel(msg, hdr);
1811 return -EMSGSIZE;
1812}
1813
1814static int
1815nl802154_dump_llsec_devkey(struct sk_buff *skb, struct netlink_callback *cb)
1816{
1817 struct cfg802154_registered_device *rdev = NULL;
1818 struct ieee802154_llsec_device_key *kpos;
1819 struct ieee802154_llsec_device *dpos;
1820 struct ieee802154_llsec_table *table;
1821 struct wpan_dev *wpan_dev;
1822 int err;
1823
1824 err = nl802154_prepare_wpan_dev_dump(skb, cb, &rdev, &wpan_dev);
1825 if (err)
1826 return err;
1827
1828 if (!wpan_dev->netdev) {
1829 err = -EINVAL;
1830 goto out_err;
1831 }
1832
1833 rdev_lock_llsec_table(rdev, wpan_dev);
1834 rdev_get_llsec_table(rdev, wpan_dev, &table);
1835
1836 /* TODO make it like station dump */
1837 if (cb->args[2])
1838 goto out;
1839
1840 /* TODO look if remove devkey and do some nested attribute */
1841 list_for_each_entry(dpos, &table->devices, list) {
1842 list_for_each_entry(kpos, &dpos->keys, list) {
1843 if (nl802154_send_devkey(skb,
1844 NL802154_CMD_NEW_SEC_LEVEL,
1845 NETLINK_CB(cb->skb).portid,
1846 cb->nlh->nlmsg_seq,
1847 NLM_F_MULTI, rdev,
1848 wpan_dev->netdev,
1849 dpos->hwaddr,
1850 kpos) < 0) {
1851 /* TODO */
1852 err = -EIO;
1853 rdev_unlock_llsec_table(rdev, wpan_dev);
1854 goto out_err;
1855 }
1856 }
1857 }
1858
1859 cb->args[2] = 1;
1860
1861out:
1862 rdev_unlock_llsec_table(rdev, wpan_dev);
1863 err = skb->len;
1864out_err:
1865 nl802154_finish_wpan_dev_dump(rdev);
1866
1867 return err;
1868}
1869
1870static const struct nla_policy nl802154_devkey_policy[NL802154_DEVKEY_ATTR_MAX + 1] = {
1871 [NL802154_DEVKEY_ATTR_FRAME_COUNTER] = { NLA_U32 },
1872 [NL802154_DEVKEY_ATTR_EXTENDED_ADDR] = { NLA_U64 },
1873 [NL802154_DEVKEY_ATTR_ID] = { NLA_NESTED },
1874};
1875
1876static int nl802154_add_llsec_devkey(struct sk_buff *skb, struct genl_info *info)
1877{
1878 struct cfg802154_registered_device *rdev = info->user_ptr[0];
1879 struct net_device *dev = info->user_ptr[1];
1880 struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
1881 struct nlattr *attrs[NL802154_DEVKEY_ATTR_MAX + 1];
1882 struct ieee802154_llsec_device_key key;
1883 __le64 extended_addr;
1884
1885 if (!info->attrs[NL802154_ATTR_SEC_DEVKEY] ||
1886 nla_parse_nested(attrs, NL802154_DEVKEY_ATTR_MAX,
1887 info->attrs[NL802154_ATTR_SEC_DEVKEY],
1888 nl802154_devkey_policy) < 0)
1889 return -EINVAL;
1890
1891 if (!attrs[NL802154_DEVKEY_ATTR_FRAME_COUNTER] ||
1892 !attrs[NL802154_DEVKEY_ATTR_EXTENDED_ADDR])
1893 return -EINVAL;
1894
1895 /* TODO change key.id ? */
1896 if (ieee802154_llsec_parse_key_id(attrs[NL802154_DEVKEY_ATTR_ID],
1897 &key.key_id) < 0)
1898 return -ENOBUFS;
1899
1900 /* TODO be32 */
1901 key.frame_counter = nla_get_u32(attrs[NL802154_DEVKEY_ATTR_FRAME_COUNTER]);
1902 /* TODO change naming hwaddr -> extended_addr
1903 * check unique identifier short+pan OR extended_addr
1904 */
1905 extended_addr = nla_get_le64(attrs[NL802154_DEVKEY_ATTR_EXTENDED_ADDR]);
1906 return rdev_add_devkey(rdev, wpan_dev, extended_addr, &key);
1907}
1908
1909static int nl802154_del_llsec_devkey(struct sk_buff *skb, struct genl_info *info)
1910{
1911 struct cfg802154_registered_device *rdev = info->user_ptr[0];
1912 struct net_device *dev = info->user_ptr[1];
1913 struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
1914 struct nlattr *attrs[NL802154_DEVKEY_ATTR_MAX + 1];
1915 struct ieee802154_llsec_device_key key;
1916 __le64 extended_addr;
1917
1918 if (nla_parse_nested(attrs, NL802154_DEVKEY_ATTR_MAX,
1919 info->attrs[NL802154_ATTR_SEC_DEVKEY],
1920 nl802154_devkey_policy))
1921 return -EINVAL;
1922
1923 if (!attrs[NL802154_DEVKEY_ATTR_EXTENDED_ADDR])
1924 return -EINVAL;
1925
1926 /* TODO change key.id ? */
1927 if (ieee802154_llsec_parse_key_id(attrs[NL802154_DEVKEY_ATTR_ID],
1928 &key.key_id) < 0)
1929 return -ENOBUFS;
1930
1931 /* TODO change naming hwaddr -> extended_addr
1932 * check unique identifier short+pan OR extended_addr
1933 */
1934 extended_addr = nla_get_le64(attrs[NL802154_DEVKEY_ATTR_EXTENDED_ADDR]);
1935 return rdev_del_devkey(rdev, wpan_dev, extended_addr, &key);
1936}
1937
1938static int nl802154_send_seclevel(struct sk_buff *msg, u32 cmd, u32 portid,
1939 u32 seq, int flags,
1940 struct cfg802154_registered_device *rdev,
1941 struct net_device *dev,
1942 const struct ieee802154_llsec_seclevel *sl)
1943{
1944 void *hdr;
1945 struct nlattr *nl_seclevel;
1946
1947 hdr = nl802154hdr_put(msg, portid, seq, flags, cmd);
1948 if (!hdr)
1949 return -1;
1950
1951 if (nla_put_u32(msg, NL802154_ATTR_IFINDEX, dev->ifindex))
1952 goto nla_put_failure;
1953
1954 nl_seclevel = nla_nest_start(msg, NL802154_ATTR_SEC_LEVEL);
1955 if (!nl_seclevel)
1956 goto nla_put_failure;
1957
1958 if (nla_put_u32(msg, NL802154_SECLEVEL_ATTR_FRAME, sl->frame_type) ||
1959 nla_put_u32(msg, NL802154_SECLEVEL_ATTR_LEVELS, sl->sec_levels) ||
1960 nla_put_u8(msg, NL802154_SECLEVEL_ATTR_DEV_OVERRIDE,
1961 sl->device_override))
1962 goto nla_put_failure;
1963
1964 if (sl->frame_type == NL802154_FRAME_CMD) {
1965 if (nla_put_u32(msg, NL802154_SECLEVEL_ATTR_CMD_FRAME,
1966 sl->cmd_frame_id))
1967 goto nla_put_failure;
1968 }
1969
1970 nla_nest_end(msg, nl_seclevel);
1971 genlmsg_end(msg, hdr);
1972
1973 return 0;
1974
1975nla_put_failure:
1976 genlmsg_cancel(msg, hdr);
1977 return -EMSGSIZE;
1978}
1979
1980static int
1981nl802154_dump_llsec_seclevel(struct sk_buff *skb, struct netlink_callback *cb)
1982{
1983 struct cfg802154_registered_device *rdev = NULL;
1984 struct ieee802154_llsec_seclevel *sl;
1985 struct ieee802154_llsec_table *table;
1986 struct wpan_dev *wpan_dev;
1987 int err;
1988
1989 err = nl802154_prepare_wpan_dev_dump(skb, cb, &rdev, &wpan_dev);
1990 if (err)
1991 return err;
1992
1993 if (!wpan_dev->netdev) {
1994 err = -EINVAL;
1995 goto out_err;
1996 }
1997
1998 rdev_lock_llsec_table(rdev, wpan_dev);
1999 rdev_get_llsec_table(rdev, wpan_dev, &table);
2000
2001 /* TODO make it like station dump */
2002 if (cb->args[2])
2003 goto out;
2004
2005 list_for_each_entry(sl, &table->security_levels, list) {
2006 if (nl802154_send_seclevel(skb, NL802154_CMD_NEW_SEC_LEVEL,
2007 NETLINK_CB(cb->skb).portid,
2008 cb->nlh->nlmsg_seq, NLM_F_MULTI,
2009 rdev, wpan_dev->netdev, sl) < 0) {
2010 /* TODO */
2011 err = -EIO;
2012 rdev_unlock_llsec_table(rdev, wpan_dev);
2013 goto out_err;
2014 }
2015 }
2016
2017 cb->args[2] = 1;
2018
2019out:
2020 rdev_unlock_llsec_table(rdev, wpan_dev);
2021 err = skb->len;
2022out_err:
2023 nl802154_finish_wpan_dev_dump(rdev);
2024
2025 return err;
2026}
2027
2028static const struct nla_policy nl802154_seclevel_policy[NL802154_SECLEVEL_ATTR_MAX + 1] = {
2029 [NL802154_SECLEVEL_ATTR_LEVELS] = { .type = NLA_U8 },
2030 [NL802154_SECLEVEL_ATTR_FRAME] = { .type = NLA_U32 },
2031 [NL802154_SECLEVEL_ATTR_CMD_FRAME] = { .type = NLA_U32 },
2032 [NL802154_SECLEVEL_ATTR_DEV_OVERRIDE] = { .type = NLA_U8 },
2033};
2034
2035static int
2036llsec_parse_seclevel(struct nlattr *nla, struct ieee802154_llsec_seclevel *sl)
2037{
2038 struct nlattr *attrs[NL802154_SECLEVEL_ATTR_MAX + 1];
2039
2040 if (!nla || nla_parse_nested(attrs, NL802154_SECLEVEL_ATTR_MAX, nla,
2041 nl802154_seclevel_policy))
2042 return -EINVAL;
2043
2044 memset(sl, 0, sizeof(*sl));
2045
2046 if (!attrs[NL802154_SECLEVEL_ATTR_LEVELS] ||
2047 !attrs[NL802154_SECLEVEL_ATTR_FRAME] ||
2048 !attrs[NL802154_SECLEVEL_ATTR_DEV_OVERRIDE])
2049 return -EINVAL;
2050
2051 sl->sec_levels = nla_get_u8(attrs[NL802154_SECLEVEL_ATTR_LEVELS]);
2052 sl->frame_type = nla_get_u32(attrs[NL802154_SECLEVEL_ATTR_FRAME]);
2053 sl->device_override = nla_get_u8(attrs[NL802154_SECLEVEL_ATTR_DEV_OVERRIDE]);
2054 if (sl->frame_type > NL802154_FRAME_MAX ||
2055 (sl->device_override != 0 && sl->device_override != 1))
2056 return -EINVAL;
2057
2058 if (sl->frame_type == NL802154_FRAME_CMD) {
2059 if (!attrs[NL802154_SECLEVEL_ATTR_CMD_FRAME])
2060 return -EINVAL;
2061
2062 sl->cmd_frame_id = nla_get_u32(attrs[NL802154_SECLEVEL_ATTR_CMD_FRAME]);
2063 if (sl->cmd_frame_id > NL802154_CMD_FRAME_MAX)
2064 return -EINVAL;
2065 }
2066
2067 return 0;
2068}
2069
2070static int nl802154_add_llsec_seclevel(struct sk_buff *skb,
2071 struct genl_info *info)
2072{
2073 struct cfg802154_registered_device *rdev = info->user_ptr[0];
2074 struct net_device *dev = info->user_ptr[1];
2075 struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
2076 struct ieee802154_llsec_seclevel sl;
2077
2078 if (llsec_parse_seclevel(info->attrs[NL802154_ATTR_SEC_LEVEL],
2079 &sl) < 0)
2080 return -EINVAL;
2081
2082 return rdev_add_seclevel(rdev, wpan_dev, &sl);
2083}
2084
2085static int nl802154_del_llsec_seclevel(struct sk_buff *skb,
2086 struct genl_info *info)
2087{
2088 struct cfg802154_registered_device *rdev = info->user_ptr[0];
2089 struct net_device *dev = info->user_ptr[1];
2090 struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
2091 struct ieee802154_llsec_seclevel sl;
2092
2093 if (!info->attrs[NL802154_ATTR_SEC_LEVEL] ||
2094 llsec_parse_seclevel(info->attrs[NL802154_ATTR_SEC_LEVEL],
2095 &sl) < 0)
2096 return -EINVAL;
2097
2098 return rdev_del_seclevel(rdev, wpan_dev, &sl);
2099}
2100#endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */
2101
2102#define NL802154_FLAG_NEED_WPAN_PHY 0x01
2103#define NL802154_FLAG_NEED_NETDEV 0x02
2104#define NL802154_FLAG_NEED_RTNL 0x04
2105#define NL802154_FLAG_CHECK_NETDEV_UP 0x08
2106#define NL802154_FLAG_NEED_NETDEV_UP (NL802154_FLAG_NEED_NETDEV |\
2107 NL802154_FLAG_CHECK_NETDEV_UP)
2108#define NL802154_FLAG_NEED_WPAN_DEV 0x10
2109#define NL802154_FLAG_NEED_WPAN_DEV_UP (NL802154_FLAG_NEED_WPAN_DEV |\
2110 NL802154_FLAG_CHECK_NETDEV_UP)
2111
2112static int nl802154_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
2113 struct genl_info *info)
2114{
2115 struct cfg802154_registered_device *rdev;
2116 struct wpan_dev *wpan_dev;
2117 struct net_device *dev;
2118 bool rtnl = ops->internal_flags & NL802154_FLAG_NEED_RTNL;
2119
2120 if (rtnl)
2121 rtnl_lock();
2122
2123 if (ops->internal_flags & NL802154_FLAG_NEED_WPAN_PHY) {
2124 rdev = cfg802154_get_dev_from_info(genl_info_net(info), info);
2125 if (IS_ERR(rdev)) {
2126 if (rtnl)
2127 rtnl_unlock();
2128 return PTR_ERR(rdev);
2129 }
2130 info->user_ptr[0] = rdev;
2131 } else if (ops->internal_flags & NL802154_FLAG_NEED_NETDEV ||
2132 ops->internal_flags & NL802154_FLAG_NEED_WPAN_DEV) {
2133 ASSERT_RTNL();
2134 wpan_dev = __cfg802154_wpan_dev_from_attrs(genl_info_net(info),
2135 info->attrs);
2136 if (IS_ERR(wpan_dev)) {
2137 if (rtnl)
2138 rtnl_unlock();
2139 return PTR_ERR(wpan_dev);
2140 }
2141
2142 dev = wpan_dev->netdev;
2143 rdev = wpan_phy_to_rdev(wpan_dev->wpan_phy);
2144
2145 if (ops->internal_flags & NL802154_FLAG_NEED_NETDEV) {
2146 if (!dev) {
2147 if (rtnl)
2148 rtnl_unlock();
2149 return -EINVAL;
2150 }
2151
2152 info->user_ptr[1] = dev;
2153 } else {
2154 info->user_ptr[1] = wpan_dev;
2155 }
2156
2157 if (dev) {
2158 if (ops->internal_flags & NL802154_FLAG_CHECK_NETDEV_UP &&
2159 !netif_running(dev)) {
2160 if (rtnl)
2161 rtnl_unlock();
2162 return -ENETDOWN;
2163 }
2164
2165 dev_hold(dev);
2166 }
2167
2168 info->user_ptr[0] = rdev;
2169 }
2170
2171 return 0;
2172}
2173
2174static void nl802154_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
2175 struct genl_info *info)
2176{
2177 if (info->user_ptr[1]) {
2178 if (ops->internal_flags & NL802154_FLAG_NEED_WPAN_DEV) {
2179 struct wpan_dev *wpan_dev = info->user_ptr[1];
2180
2181 if (wpan_dev->netdev)
2182 dev_put(wpan_dev->netdev);
2183 } else {
2184 dev_put(info->user_ptr[1]);
2185 }
2186 }
2187
2188 if (ops->internal_flags & NL802154_FLAG_NEED_RTNL)
2189 rtnl_unlock();
2190}
2191
2192static const struct genl_ops nl802154_ops[] = {
2193 {
2194 .cmd = NL802154_CMD_GET_WPAN_PHY,
2195 .doit = nl802154_get_wpan_phy,
2196 .dumpit = nl802154_dump_wpan_phy,
2197 .done = nl802154_dump_wpan_phy_done,
2198 .policy = nl802154_policy,
2199 /* can be retrieved by unprivileged users */
2200 .internal_flags = NL802154_FLAG_NEED_WPAN_PHY |
2201 NL802154_FLAG_NEED_RTNL,
2202 },
2203 {
2204 .cmd = NL802154_CMD_GET_INTERFACE,
2205 .doit = nl802154_get_interface,
2206 .dumpit = nl802154_dump_interface,
2207 .policy = nl802154_policy,
2208 /* can be retrieved by unprivileged users */
2209 .internal_flags = NL802154_FLAG_NEED_WPAN_DEV |
2210 NL802154_FLAG_NEED_RTNL,
2211 },
2212 {
2213 .cmd = NL802154_CMD_NEW_INTERFACE,
2214 .doit = nl802154_new_interface,
2215 .policy = nl802154_policy,
2216 .flags = GENL_ADMIN_PERM,
2217 .internal_flags = NL802154_FLAG_NEED_WPAN_PHY |
f3ea5e44
AA		 2218 NL802154_FLAG_NEED_RTNL,
2219 },
b821ecd4
AA		 2220 {
2221 .cmd = NL802154_CMD_DEL_INTERFACE,
2222 .doit = nl802154_del_interface,
2223 .policy = nl802154_policy,
2224 .flags = GENL_ADMIN_PERM,
2225 .internal_flags = NL802154_FLAG_NEED_WPAN_DEV |
2226 NL802154_FLAG_NEED_RTNL,
2227 },
ab0bd561
AA		 2228 {
2229 .cmd = NL802154_CMD_SET_CHANNEL,
2230 .doit = nl802154_set_channel,
2231 .policy = nl802154_policy,
2232 .flags = GENL_ADMIN_PERM,
2233 .internal_flags = NL802154_FLAG_NEED_WPAN_PHY |
2234 NL802154_FLAG_NEED_RTNL,
2235 },
ba2a9506
AA		 2236 {
2237 .cmd = NL802154_CMD_SET_CCA_MODE,
2238 .doit = nl802154_set_cca_mode,
2239 .policy = nl802154_policy,
2240 .flags = GENL_ADMIN_PERM,
2241 .internal_flags = NL802154_FLAG_NEED_WPAN_PHY |
2242 NL802154_FLAG_NEED_RTNL,
2243 },
b69644c1
AA		 2244 {
2245 .cmd = NL802154_CMD_SET_CCA_ED_LEVEL,
2246 .doit = nl802154_set_cca_ed_level,
2247 .policy = nl802154_policy,
2248 .flags = GENL_ADMIN_PERM,
2249 .internal_flags = NL802154_FLAG_NEED_WPAN_PHY |
2250 NL802154_FLAG_NEED_RTNL,
2251 },
0f999b09
VB		 2252 {
2253 .cmd = NL802154_CMD_SET_TX_POWER,
2254 .doit = nl802154_set_tx_power,
2255 .policy = nl802154_policy,
2256 .flags = GENL_ADMIN_PERM,
2257 .internal_flags = NL802154_FLAG_NEED_WPAN_PHY |
2258 NL802154_FLAG_NEED_RTNL,
2259 },
702bf371
AA		 2260 {
2261 .cmd = NL802154_CMD_SET_PAN_ID,
2262 .doit = nl802154_set_pan_id,
2263 .policy = nl802154_policy,
2264 .flags = GENL_ADMIN_PERM,
2265 .internal_flags = NL802154_FLAG_NEED_NETDEV |
2266 NL802154_FLAG_NEED_RTNL,
2267 },
9830c62a
AA		 2268 {
2269 .cmd = NL802154_CMD_SET_SHORT_ADDR,
2270 .doit = nl802154_set_short_addr,
2271 .policy = nl802154_policy,
2272 .flags = GENL_ADMIN_PERM,
2273 .internal_flags = NL802154_FLAG_NEED_NETDEV |
2274 NL802154_FLAG_NEED_RTNL,
2275 },
656a999e
AA		 2276 {
2277 .cmd = NL802154_CMD_SET_BACKOFF_EXPONENT,
2278 .doit = nl802154_set_backoff_exponent,
2279 .policy = nl802154_policy,
2280 .flags = GENL_ADMIN_PERM,
2281 .internal_flags = NL802154_FLAG_NEED_NETDEV |
2282 NL802154_FLAG_NEED_RTNL,
2283 },
a01ba765
AA		 2284 {
2285 .cmd = NL802154_CMD_SET_MAX_CSMA_BACKOFFS,
2286 .doit = nl802154_set_max_csma_backoffs,
2287 .policy = nl802154_policy,
2288 .flags = GENL_ADMIN_PERM,
2289 .internal_flags = NL802154_FLAG_NEED_NETDEV |
2290 NL802154_FLAG_NEED_RTNL,
2291 },
17a3a46b
AA		 2292 {
2293 .cmd = NL802154_CMD_SET_MAX_FRAME_RETRIES,
2294 .doit = nl802154_set_max_frame_retries,
2295 .policy = nl802154_policy,
2296 .flags = GENL_ADMIN_PERM,
2297 .internal_flags = NL802154_FLAG_NEED_NETDEV |
2298 NL802154_FLAG_NEED_RTNL,
2299 },
c8937a1d
AA		 2300 {
2301 .cmd = NL802154_CMD_SET_LBT_MODE,
2302 .doit = nl802154_set_lbt_mode,
2303 .policy = nl802154_policy,
2304 .flags = GENL_ADMIN_PERM,
2305 .internal_flags = NL802154_FLAG_NEED_NETDEV |
2306 NL802154_FLAG_NEED_RTNL,
2307 },
c91208d8
AA		 2308 {
2309 .cmd = NL802154_CMD_SET_ACKREQ_DEFAULT,
2310 .doit = nl802154_set_ackreq_default,
2311 .policy = nl802154_policy,
2312 .flags = GENL_ADMIN_PERM,
2313 .internal_flags = NL802154_FLAG_NEED_NETDEV |
2314 NL802154_FLAG_NEED_RTNL,
2315 },
a26c5fd7
AA		 2316#ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL
2317 {
2318 .cmd = NL802154_CMD_SET_SEC_PARAMS,
2319 .doit = nl802154_set_llsec_params,
2320 .policy = nl802154_policy,
2321 .flags = GENL_ADMIN_PERM,
2322 .internal_flags = NL802154_FLAG_NEED_NETDEV |
2323 NL802154_FLAG_NEED_RTNL,
2324 },
2325 {
2326 .cmd = NL802154_CMD_GET_SEC_KEY,
2327 /* TODO .doit by matching key id? */
2328 .dumpit = nl802154_dump_llsec_key,
2329 .policy = nl802154_policy,
2330 .flags = GENL_ADMIN_PERM,
2331 .internal_flags = NL802154_FLAG_NEED_NETDEV |
2332 NL802154_FLAG_NEED_RTNL,
2333 },
2334 {
2335 .cmd = NL802154_CMD_NEW_SEC_KEY,
2336 .doit = nl802154_add_llsec_key,
2337 .policy = nl802154_policy,
2338 .flags = GENL_ADMIN_PERM,
2339 .internal_flags = NL802154_FLAG_NEED_NETDEV |
2340 NL802154_FLAG_NEED_RTNL,
2341 },
2342 {
2343 .cmd = NL802154_CMD_DEL_SEC_KEY,
2344 .doit = nl802154_del_llsec_key,
2345 .policy = nl802154_policy,
2346 .flags = GENL_ADMIN_PERM,
2347 .internal_flags = NL802154_FLAG_NEED_NETDEV |
2348 NL802154_FLAG_NEED_RTNL,
2349 },
2350 /* TODO unique identifier must short+pan OR extended_addr */
2351 {
2352 .cmd = NL802154_CMD_GET_SEC_DEV,
2353 /* TODO .doit by matching extended_addr? */
2354 .dumpit = nl802154_dump_llsec_dev,
2355 .policy = nl802154_policy,
2356 .flags = GENL_ADMIN_PERM,
2357 .internal_flags = NL802154_FLAG_NEED_NETDEV |
2358 NL802154_FLAG_NEED_RTNL,
2359 },
2360 {
2361 .cmd = NL802154_CMD_NEW_SEC_DEV,
2362 .doit = nl802154_add_llsec_dev,
2363 .policy = nl802154_policy,
2364 .flags = GENL_ADMIN_PERM,
2365 .internal_flags = NL802154_FLAG_NEED_NETDEV |
2366 NL802154_FLAG_NEED_RTNL,
2367 },
2368 {
2369 .cmd = NL802154_CMD_DEL_SEC_DEV,
2370 .doit = nl802154_del_llsec_dev,
2371 .policy = nl802154_policy,
2372 .flags = GENL_ADMIN_PERM,
2373 .internal_flags = NL802154_FLAG_NEED_NETDEV |
2374 NL802154_FLAG_NEED_RTNL,
2375 },
2376 /* TODO remove complete devkey, put it as nested? */
2377 {
2378 .cmd = NL802154_CMD_GET_SEC_DEVKEY,
2379 /* TODO doit by matching ??? */
2380 .dumpit = nl802154_dump_llsec_devkey,
2381 .policy = nl802154_policy,
2382 .flags = GENL_ADMIN_PERM,
2383 .internal_flags = NL802154_FLAG_NEED_NETDEV |
2384 NL802154_FLAG_NEED_RTNL,
2385 },
2386 {
2387 .cmd = NL802154_CMD_NEW_SEC_DEVKEY,
2388 .doit = nl802154_add_llsec_devkey,
2389 .policy = nl802154_policy,
2390 .flags = GENL_ADMIN_PERM,
2391 .internal_flags = NL802154_FLAG_NEED_NETDEV |
2392 NL802154_FLAG_NEED_RTNL,
2393 },
2394 {
2395 .cmd = NL802154_CMD_DEL_SEC_DEVKEY,
2396 .doit = nl802154_del_llsec_devkey,
2397 .policy = nl802154_policy,
2398 .flags = GENL_ADMIN_PERM,
2399 .internal_flags = NL802154_FLAG_NEED_NETDEV |
2400 NL802154_FLAG_NEED_RTNL,
2401 },
2402 {
2403 .cmd = NL802154_CMD_GET_SEC_LEVEL,
2404 /* TODO .doit by matching frame_type? */
2405 .dumpit = nl802154_dump_llsec_seclevel,
2406 .policy = nl802154_policy,
2407 .flags = GENL_ADMIN_PERM,
2408 .internal_flags = NL802154_FLAG_NEED_NETDEV |
2409 NL802154_FLAG_NEED_RTNL,
2410 },
2411 {
2412 .cmd = NL802154_CMD_NEW_SEC_LEVEL,
2413 .doit = nl802154_add_llsec_seclevel,
2414 .policy = nl802154_policy,
2415 .flags = GENL_ADMIN_PERM,
2416 .internal_flags = NL802154_FLAG_NEED_NETDEV |
2417 NL802154_FLAG_NEED_RTNL,
2418 },
2419 {
2420 .cmd = NL802154_CMD_DEL_SEC_LEVEL,
2421 /* TODO match frame_type only? */
2422 .doit = nl802154_del_llsec_seclevel,
2423 .policy = nl802154_policy,
2424 .flags = GENL_ADMIN_PERM,
2425 .internal_flags = NL802154_FLAG_NEED_NETDEV |
2426 NL802154_FLAG_NEED_RTNL,
2427 },
2428#endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */
79fe1a2a
AA		 2429};
2430
2431/* initialisation/exit functions */
2432int nl802154_init(void)
2433{
2434 return genl_register_family_with_ops_groups(&nl802154_fam, nl802154_ops,
2435 nl802154_mcgrps);
2436}
2437
2438void nl802154_exit(void)
2439{
2440 genl_unregister_family(&nl802154_fam);
2441}
Linux kernel - Deliverables
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