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Merge tag 'amd-drm-next-6.4-2023-03-31' of https://gitlab.freedesktop.org/agd5f/linux...
[linux-block.git] / net / ieee802154 / nl802154.c
CommitLineData
1802d0be
TG		 1// SPDX-License-Identifier: GPL-2.0-only
2/*
79fe1a2a
AA		 3 *
4 * Authors:
5 * Alexander Aring <aar@pengutronix.de>
6 *
7 * Based on: net/wireless/nl80211.c
8 */
9
10#include <linux/rtnetlink.h>
11
12#include <net/cfg802154.h>
13#include <net/genetlink.h>
14#include <net/mac802154.h>
15#include <net/netlink.h>
16#include <net/nl802154.h>
17#include <net/sock.h>
18
19#include "nl802154.h"
ab0bd561 20#include "rdev-ops.h"
79fe1a2a
AA		 21#include "core.h"
22
79fe1a2a 23/* the netlink family */
489111e5 24static struct genl_family nl802154_fam;
79fe1a2a
AA		 25
26/* multicast groups */
27enum nl802154_multicast_groups {
28 NL802154_MCGRP_CONFIG,
51147284 29 NL802154_MCGRP_SCAN,
79fe1a2a
AA		 30};
31
32static const struct genl_multicast_group nl802154_mcgrps[] = {
33 [NL802154_MCGRP_CONFIG] = { .name = "config", },
51147284 34 [NL802154_MCGRP_SCAN] = { .name = "scan", },
79fe1a2a
AA		 35};
36
37/* returns ERR_PTR values */
38static struct wpan_dev *
39__cfg802154_wpan_dev_from_attrs(struct net *netns, struct nlattr **attrs)
40{
41 struct cfg802154_registered_device *rdev;
42 struct wpan_dev *result = NULL;
43 bool have_ifidx = attrs[NL802154_ATTR_IFINDEX];
44 bool have_wpan_dev_id = attrs[NL802154_ATTR_WPAN_DEV];
45 u64 wpan_dev_id;
46 int wpan_phy_idx = -1;
47 int ifidx = -1;
48
49 ASSERT_RTNL();
50
51 if (!have_ifidx && !have_wpan_dev_id)
52 return ERR_PTR(-EINVAL);
53
54 if (have_ifidx)
55 ifidx = nla_get_u32(attrs[NL802154_ATTR_IFINDEX]);
56 if (have_wpan_dev_id) {
57 wpan_dev_id = nla_get_u64(attrs[NL802154_ATTR_WPAN_DEV]);
58 wpan_phy_idx = wpan_dev_id >> 32;
59 }
60
61 list_for_each_entry(rdev, &cfg802154_rdev_list, list) {
62 struct wpan_dev *wpan_dev;
63
66e5c267
AA		 64 if (wpan_phy_net(&rdev->wpan_phy) != netns)
65 continue;
79fe1a2a
AA		 66
67 if (have_wpan_dev_id && rdev->wpan_phy_idx != wpan_phy_idx)
68 continue;
69
70 list_for_each_entry(wpan_dev, &rdev->wpan_dev_list, list) {
71 if (have_ifidx && wpan_dev->netdev &&
72 wpan_dev->netdev->ifindex == ifidx) {
73 result = wpan_dev;
74 break;
75 }
76 if (have_wpan_dev_id &&
77 wpan_dev->identifier == (u32)wpan_dev_id) {
78 result = wpan_dev;
79 break;
80 }
81 }
82
83 if (result)
84 break;
85 }
86
87 if (result)
88 return result;
89
90 return ERR_PTR(-ENODEV);
91}
92
93static struct cfg802154_registered_device *
94__cfg802154_rdev_from_attrs(struct net *netns, struct nlattr **attrs)
95{
96 struct cfg802154_registered_device *rdev = NULL, *tmp;
97 struct net_device *netdev;
98
99 ASSERT_RTNL();
100
101 if (!attrs[NL802154_ATTR_WPAN_PHY] &&
102 !attrs[NL802154_ATTR_IFINDEX] &&
103 !attrs[NL802154_ATTR_WPAN_DEV])
104 return ERR_PTR(-EINVAL);
105
106 if (attrs[NL802154_ATTR_WPAN_PHY])
107 rdev = cfg802154_rdev_by_wpan_phy_idx(
108 nla_get_u32(attrs[NL802154_ATTR_WPAN_PHY]));
109
110 if (attrs[NL802154_ATTR_WPAN_DEV]) {
111 u64 wpan_dev_id = nla_get_u64(attrs[NL802154_ATTR_WPAN_DEV]);
112 struct wpan_dev *wpan_dev;
113 bool found = false;
114
115 tmp = cfg802154_rdev_by_wpan_phy_idx(wpan_dev_id >> 32);
116 if (tmp) {
117 /* make sure wpan_dev exists */
118 list_for_each_entry(wpan_dev, &tmp->wpan_dev_list, list) {
119 if (wpan_dev->identifier != (u32)wpan_dev_id)
120 continue;
121 found = true;
122 break;
123 }
124
125 if (!found)
126 tmp = NULL;
127
128 if (rdev && tmp != rdev)
129 return ERR_PTR(-EINVAL);
130 rdev = tmp;
131 }
132 }
133
134 if (attrs[NL802154_ATTR_IFINDEX]) {
135 int ifindex = nla_get_u32(attrs[NL802154_ATTR_IFINDEX]);
136
137 netdev = __dev_get_by_index(netns, ifindex);
138 if (netdev) {
139 if (netdev->ieee802154_ptr)
140 tmp = wpan_phy_to_rdev(
141 netdev->ieee802154_ptr->wpan_phy);
142 else
143 tmp = NULL;
144
145 /* not wireless device -- return error */
146 if (!tmp)
147 return ERR_PTR(-EINVAL);
148
149 /* mismatch -- return error */
150 if (rdev && tmp != rdev)
151 return ERR_PTR(-EINVAL);
152
153 rdev = tmp;
154 }
155 }
156
157 if (!rdev)
158 return ERR_PTR(-ENODEV);
159
66e5c267
AA		 160 if (netns != wpan_phy_net(&rdev->wpan_phy))
161 return ERR_PTR(-ENODEV);
79fe1a2a
AA		 162
163 return rdev;
164}
165
166/* This function returns a pointer to the driver
167 * that the genl_info item that is passed refers to.
168 *
169 * The result of this can be a PTR_ERR and hence must
170 * be checked with IS_ERR() for errors.
171 */
172static struct cfg802154_registered_device *
173cfg802154_get_dev_from_info(struct net *netns, struct genl_info *info)
174{
175 return __cfg802154_rdev_from_attrs(netns, info->attrs);
176}
177
178/* policy for the attributes */
179static const struct nla_policy nl802154_policy[NL802154_ATTR_MAX+1] = {
ca20ce20
AA		 180 [NL802154_ATTR_WPAN_PHY] = { .type = NLA_U32 },
181 [NL802154_ATTR_WPAN_PHY_NAME] = { .type = NLA_NUL_STRING,
182 .len = 20-1 },
183
184 [NL802154_ATTR_IFINDEX] = { .type = NLA_U32 },
4b96aea0
AA		 185 [NL802154_ATTR_IFTYPE] = { .type = NLA_U32 },
186 [NL802154_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 },
ca20ce20
AA		 187
188 [NL802154_ATTR_WPAN_DEV] = { .type = NLA_U64 },
189
648324c9
MR		 190 [NL802154_ATTR_PAGE] = NLA_POLICY_MAX(NLA_U8, IEEE802154_MAX_PAGE),
191 [NL802154_ATTR_CHANNEL] = NLA_POLICY_MAX(NLA_U8, IEEE802154_MAX_CHANNEL),
ca20ce20 192
1a19cb68 193 [NL802154_ATTR_TX_POWER] = { .type = NLA_S32, },
ca20ce20 194
ba2a9506
AA		 195 [NL802154_ATTR_CCA_MODE] = { .type = NLA_U32, },
196 [NL802154_ATTR_CCA_OPT] = { .type = NLA_U32, },
e4390592 197 [NL802154_ATTR_CCA_ED_LEVEL] = { .type = NLA_S32, },
ca20ce20
AA		 198
199 [NL802154_ATTR_SUPPORTED_CHANNEL] = { .type = NLA_U32, },
4b96aea0
AA		 200
201 [NL802154_ATTR_PAN_ID] = { .type = NLA_U16, },
202 [NL802154_ATTR_EXTENDED_ADDR] = { .type = NLA_U64 },
203 [NL802154_ATTR_SHORT_ADDR] = { .type = NLA_U16, },
204
205 [NL802154_ATTR_MIN_BE] = { .type = NLA_U8, },
206 [NL802154_ATTR_MAX_BE] = { .type = NLA_U8, },
207 [NL802154_ATTR_MAX_CSMA_BACKOFFS] = { .type = NLA_U8, },
208
209 [NL802154_ATTR_MAX_FRAME_RETRIES] = { .type = NLA_S8, },
210
211 [NL802154_ATTR_LBT_MODE] = { .type = NLA_U8, },
0e665457
AA		 212
213 [NL802154_ATTR_WPAN_PHY_CAPS] = { .type = NLA_NESTED },
133be026
VB		 214
215 [NL802154_ATTR_SUPPORTED_COMMANDS] = { .type = NLA_NESTED },
c91208d8
AA		 216
217 [NL802154_ATTR_ACKREQ_DEFAULT] = { .type = NLA_U8 },
a26c5fd7 218
66e5c267
AA		 219 [NL802154_ATTR_PID] = { .type = NLA_U32 },
220 [NL802154_ATTR_NETNS_FD] = { .type = NLA_U32 },
51147284
MR		 221
222 [NL802154_ATTR_COORDINATOR] = { .type = NLA_NESTED },
223
648324c9
MR		 224 [NL802154_ATTR_SCAN_TYPE] =
225 NLA_POLICY_RANGE(NLA_U8, NL802154_SCAN_ED, NL802154_SCAN_RIT_PASSIVE),
226 [NL802154_ATTR_SCAN_CHANNELS] =
227 NLA_POLICY_MASK(NLA_U32, GENMASK(IEEE802154_MAX_CHANNEL, 0)),
228 [NL802154_ATTR_SCAN_PREAMBLE_CODES] = { .type = NLA_REJECT },
229 [NL802154_ATTR_SCAN_MEAN_PRF] = { .type = NLA_REJECT },
230 [NL802154_ATTR_SCAN_DURATION] =
231 NLA_POLICY_MAX(NLA_U8, IEEE802154_MAX_SCAN_DURATION),
232 [NL802154_ATTR_SCAN_DONE_REASON] =
233 NLA_POLICY_RANGE(NLA_U8, NL802154_SCAN_DONE_REASON_FINISHED,
234 NL802154_SCAN_DONE_REASON_ABORTED),
235 [NL802154_ATTR_BEACON_INTERVAL] =
236 NLA_POLICY_MAX(NLA_U8, IEEE802154_MAX_SCAN_DURATION),
ed3557c9 237
a26c5fd7
AA		 238#ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL
239 [NL802154_ATTR_SEC_ENABLED] = { .type = NLA_U8, },
240 [NL802154_ATTR_SEC_OUT_LEVEL] = { .type = NLA_U32, },
241 [NL802154_ATTR_SEC_OUT_KEY_ID] = { .type = NLA_NESTED, },
242 [NL802154_ATTR_SEC_FRAME_COUNTER] = { .type = NLA_U32 },
243
244 [NL802154_ATTR_SEC_LEVEL] = { .type = NLA_NESTED },
245 [NL802154_ATTR_SEC_DEVICE] = { .type = NLA_NESTED },
246 [NL802154_ATTR_SEC_DEVKEY] = { .type = NLA_NESTED },
247 [NL802154_ATTR_SEC_KEY] = { .type = NLA_NESTED },
248#endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */
79fe1a2a
AA		 249};
250
a26c5fd7
AA		 251#ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL
252static int
253nl802154_prepare_wpan_dev_dump(struct sk_buff *skb,
254 struct netlink_callback *cb,
255 struct cfg802154_registered_device **rdev,
256 struct wpan_dev **wpan_dev)
257{
75cdbdd0 258 const struct genl_dumpit_info *info = genl_dumpit_info(cb);
a26c5fd7
AA		 259 int err;
260
261 rtnl_lock();
262
263 if (!cb->args[0]) {
a26c5fd7 264 *wpan_dev = __cfg802154_wpan_dev_from_attrs(sock_net(skb->sk),
75cdbdd0 265 info->attrs);
a26c5fd7
AA		 266 if (IS_ERR(*wpan_dev)) {
267 err = PTR_ERR(*wpan_dev);
268 goto out_unlock;
269 }
270 *rdev = wpan_phy_to_rdev((*wpan_dev)->wpan_phy);
271 /* 0 is the first index - add 1 to parse only once */
272 cb->args[0] = (*rdev)->wpan_phy_idx + 1;
273 cb->args[1] = (*wpan_dev)->identifier;
274 } else {
275 /* subtract the 1 again here */
276 struct wpan_phy *wpan_phy = wpan_phy_idx_to_wpan_phy(cb->args[0] - 1);
277 struct wpan_dev *tmp;
278
279 if (!wpan_phy) {
280 err = -ENODEV;
281 goto out_unlock;
282 }
283 *rdev = wpan_phy_to_rdev(wpan_phy);
284 *wpan_dev = NULL;
285
286 list_for_each_entry(tmp, &(*rdev)->wpan_dev_list, list) {
287 if (tmp->identifier == cb->args[1]) {
288 *wpan_dev = tmp;
289 break;
290 }
291 }
292
293 if (!*wpan_dev) {
294 err = -ENODEV;
295 goto out_unlock;
296 }
297 }
298
299 return 0;
300 out_unlock:
301 rtnl_unlock();
302 return err;
303}
304
305static void
306nl802154_finish_wpan_dev_dump(struct cfg802154_registered_device *rdev)
307{
308 rtnl_unlock();
309}
310#endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */
311
79fe1a2a
AA		 312/* message building helper */
313static inline void *nl802154hdr_put(struct sk_buff *skb, u32 portid, u32 seq,
314 int flags, u8 cmd)
315{
316 /* since there is no private header just add the generic one */
317 return genlmsg_put(skb, portid, seq, &nl802154_fam, flags, cmd);
318}
319
0e665457
AA		 320static int
321nl802154_put_flags(struct sk_buff *msg, int attr, u32 mask)
322{
ae0be8de 323 struct nlattr *nl_flags = nla_nest_start_noflag(msg, attr);
0e665457
AA		 324 int i;
325
326 if (!nl_flags)
327 return -ENOBUFS;
328
329 i = 0;
330 while (mask) {
331 if ((mask & 1) && nla_put_flag(msg, i))
332 return -ENOBUFS;
333
334 mask >>= 1;
335 i++;
336 }
337
338 nla_nest_end(msg, nl_flags);
339 return 0;
340}
341
ca20ce20
AA		 342static int
343nl802154_send_wpan_phy_channels(struct cfg802154_registered_device *rdev,
344 struct sk_buff *msg)
345{
346 struct nlattr *nl_page;
347 unsigned long page;
348
ae0be8de 349 nl_page = nla_nest_start_noflag(msg, NL802154_ATTR_CHANNELS_SUPPORTED);
ca20ce20
AA		 350 if (!nl_page)
351 return -ENOBUFS;
352
cb41c8dd 353 for (page = 0; page <= IEEE802154_MAX_PAGE; page++) {
ca20ce20 354 if (nla_put_u32(msg, NL802154_ATTR_SUPPORTED_CHANNEL,
72f655e4 355 rdev->wpan_phy.supported.channels[page]))
ca20ce20
AA		 356 return -ENOBUFS;
357 }
358 nla_nest_end(msg, nl_page);
359
360 return 0;
361}
362
0e665457
AA		 363static int
364nl802154_put_capabilities(struct sk_buff *msg,
365 struct cfg802154_registered_device *rdev)
366{
367 const struct wpan_phy_supported *caps = &rdev->wpan_phy.supported;
368 struct nlattr *nl_caps, *nl_channels;
369 int i;
370
ae0be8de 371 nl_caps = nla_nest_start_noflag(msg, NL802154_ATTR_WPAN_PHY_CAPS);
0e665457
AA		 372 if (!nl_caps)
373 return -ENOBUFS;
374
ae0be8de 375 nl_channels = nla_nest_start_noflag(msg, NL802154_CAP_ATTR_CHANNELS);
0e665457
AA		 376 if (!nl_channels)
377 return -ENOBUFS;
378
379 for (i = 0; i <= IEEE802154_MAX_PAGE; i++) {
380 if (caps->channels[i]) {
381 if (nl802154_put_flags(msg, i, caps->channels[i]))
382 return -ENOBUFS;
383 }
384 }
385
386 nla_nest_end(msg, nl_channels);
387
388 if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_ED_LEVEL) {
389 struct nlattr *nl_ed_lvls;
390
ae0be8de
MK		 391 nl_ed_lvls = nla_nest_start_noflag(msg,
392 NL802154_CAP_ATTR_CCA_ED_LEVELS);
0e665457
AA		 393 if (!nl_ed_lvls)
394 return -ENOBUFS;
395
396 for (i = 0; i < caps->cca_ed_levels_size; i++) {
397 if (nla_put_s32(msg, i, caps->cca_ed_levels[i]))
398 return -ENOBUFS;
399 }
400
401 nla_nest_end(msg, nl_ed_lvls);
402 }
403
404 if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_TXPOWER) {
405 struct nlattr *nl_tx_pwrs;
406
ae0be8de
MK		 407 nl_tx_pwrs = nla_nest_start_noflag(msg,
408 NL802154_CAP_ATTR_TX_POWERS);
0e665457
AA		 409 if (!nl_tx_pwrs)
410 return -ENOBUFS;
411
412 for (i = 0; i < caps->tx_powers_size; i++) {
413 if (nla_put_s32(msg, i, caps->tx_powers[i]))
414 return -ENOBUFS;
415 }
416
417 nla_nest_end(msg, nl_tx_pwrs);
418 }
419
420 if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_MODE) {
421 if (nl802154_put_flags(msg, NL802154_CAP_ATTR_CCA_MODES,
422 caps->cca_modes) ||
423 nl802154_put_flags(msg, NL802154_CAP_ATTR_CCA_OPTS,
424 caps->cca_opts))
425 return -ENOBUFS;
426 }
427
428 if (nla_put_u8(msg, NL802154_CAP_ATTR_MIN_MINBE, caps->min_minbe) ||
429 nla_put_u8(msg, NL802154_CAP_ATTR_MAX_MINBE, caps->max_minbe) ||
430 nla_put_u8(msg, NL802154_CAP_ATTR_MIN_MAXBE, caps->min_maxbe) ||
431 nla_put_u8(msg, NL802154_CAP_ATTR_MAX_MAXBE, caps->max_maxbe) ||
432 nla_put_u8(msg, NL802154_CAP_ATTR_MIN_CSMA_BACKOFFS,
433 caps->min_csma_backoffs) ||
434 nla_put_u8(msg, NL802154_CAP_ATTR_MAX_CSMA_BACKOFFS,
435 caps->max_csma_backoffs) ||
436 nla_put_s8(msg, NL802154_CAP_ATTR_MIN_FRAME_RETRIES,
437 caps->min_frame_retries) ||
438 nla_put_s8(msg, NL802154_CAP_ATTR_MAX_FRAME_RETRIES,
439 caps->max_frame_retries) ||
440 nl802154_put_flags(msg, NL802154_CAP_ATTR_IFTYPES,
441 caps->iftypes) ||
442 nla_put_u32(msg, NL802154_CAP_ATTR_LBT, caps->lbt))
443 return -ENOBUFS;
444
445 nla_nest_end(msg, nl_caps);
446
447 return 0;
448}
449
ca20ce20
AA		 450static int nl802154_send_wpan_phy(struct cfg802154_registered_device *rdev,
451 enum nl802154_commands cmd,
452 struct sk_buff *msg, u32 portid, u32 seq,
453 int flags)
454{
133be026 455 struct nlattr *nl_cmds;
ca20ce20 456 void *hdr;
133be026 457 int i;
ca20ce20
AA		 458
459 hdr = nl802154hdr_put(msg, portid, seq, flags, cmd);
460 if (!hdr)
461 return -ENOBUFS;
462
463 if (nla_put_u32(msg, NL802154_ATTR_WPAN_PHY, rdev->wpan_phy_idx) ||
464 nla_put_string(msg, NL802154_ATTR_WPAN_PHY_NAME,
465 wpan_phy_name(&rdev->wpan_phy)) ||
466 nla_put_u32(msg, NL802154_ATTR_GENERATION,
467 cfg802154_rdev_list_generation))
468 goto nla_put_failure;
469
470 if (cmd != NL802154_CMD_NEW_WPAN_PHY)
471 goto finish;
472
473 /* DUMP PHY PIB */
474
475 /* current channel settings */
476 if (nla_put_u8(msg, NL802154_ATTR_PAGE,
477 rdev->wpan_phy.current_page) ||
478 nla_put_u8(msg, NL802154_ATTR_CHANNEL,
479 rdev->wpan_phy.current_channel))
480 goto nla_put_failure;
481
0e665457
AA		 482 /* TODO remove this behaviour, we still keep support it for a while
483 * so users can change the behaviour to the new one.
484 */
ca20ce20
AA		 485 if (nl802154_send_wpan_phy_channels(rdev, msg))
486 goto nla_put_failure;
487
488 /* cca mode */
edea8f7c
AA		 489 if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_MODE) {
490 if (nla_put_u32(msg, NL802154_ATTR_CCA_MODE,
491 rdev->wpan_phy.cca.mode))
ba2a9506 492 goto nla_put_failure;
edea8f7c
AA		 493
494 if (rdev->wpan_phy.cca.mode == NL802154_CCA_ENERGY_CARRIER) {
495 if (nla_put_u32(msg, NL802154_ATTR_CCA_OPT,
496 rdev->wpan_phy.cca.opt))
497 goto nla_put_failure;
498 }
ba2a9506
AA		 499 }
500
edea8f7c
AA		 501 if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_TXPOWER) {
502 if (nla_put_s32(msg, NL802154_ATTR_TX_POWER,
503 rdev->wpan_phy.transmit_power))
504 goto nla_put_failure;
505 }
ca20ce20 506
e4390592
AA		 507 if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_ED_LEVEL) {
508 if (nla_put_s32(msg, NL802154_ATTR_CCA_ED_LEVEL,
509 rdev->wpan_phy.cca_ed_level))
510 goto nla_put_failure;
511 }
512
0e665457
AA		 513 if (nl802154_put_capabilities(msg, rdev))
514 goto nla_put_failure;
515
ae0be8de 516 nl_cmds = nla_nest_start_noflag(msg, NL802154_ATTR_SUPPORTED_COMMANDS);
133be026
VB		 517 if (!nl_cmds)
518 goto nla_put_failure;
519
520 i = 0;
521#define CMD(op, n) \
522 do { \
523 if (rdev->ops->op) { \
524 i++; \
525 if (nla_put_u32(msg, i, NL802154_CMD_ ## n)) \
526 goto nla_put_failure; \
527 } \
528 } while (0)
529
530 CMD(add_virtual_intf, NEW_INTERFACE);
531 CMD(del_virtual_intf, DEL_INTERFACE);
532 CMD(set_channel, SET_CHANNEL);
533 CMD(set_pan_id, SET_PAN_ID);
534 CMD(set_short_addr, SET_SHORT_ADDR);
535 CMD(set_backoff_exponent, SET_BACKOFF_EXPONENT);
536 CMD(set_max_csma_backoffs, SET_MAX_CSMA_BACKOFFS);
537 CMD(set_max_frame_retries, SET_MAX_FRAME_RETRIES);
538 CMD(set_lbt_mode, SET_LBT_MODE);
c91208d8 539 CMD(set_ackreq_default, SET_ACKREQ_DEFAULT);
133be026
VB		 540
541 if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_TXPOWER)
542 CMD(set_tx_power, SET_TX_POWER);
543
544 if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_ED_LEVEL)
545 CMD(set_cca_ed_level, SET_CCA_ED_LEVEL);
546
547 if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_MODE)
548 CMD(set_cca_mode, SET_CCA_MODE);
549
550#undef CMD
551 nla_nest_end(msg, nl_cmds);
552
ca20ce20 553finish:
053c095a
JB		 554 genlmsg_end(msg, hdr);
555 return 0;
ca20ce20
AA		 556
557nla_put_failure:
558 genlmsg_cancel(msg, hdr);
559 return -EMSGSIZE;
560}
561
562struct nl802154_dump_wpan_phy_state {
563 s64 filter_wpan_phy;
564 long start;
565
566};
567
568static int nl802154_dump_wpan_phy_parse(struct sk_buff *skb,
569 struct netlink_callback *cb,
570 struct nl802154_dump_wpan_phy_state *state)
571{
75cdbdd0
JP		 572 const struct genl_dumpit_info *info = genl_dumpit_info(cb);
573 struct nlattr **tb = info->attrs;
ca20ce20
AA		 574
575 if (tb[NL802154_ATTR_WPAN_PHY])
576 state->filter_wpan_phy = nla_get_u32(tb[NL802154_ATTR_WPAN_PHY]);
577 if (tb[NL802154_ATTR_WPAN_DEV])
578 state->filter_wpan_phy = nla_get_u64(tb[NL802154_ATTR_WPAN_DEV]) >> 32;
579 if (tb[NL802154_ATTR_IFINDEX]) {
580 struct net_device *netdev;
581 struct cfg802154_registered_device *rdev;
582 int ifidx = nla_get_u32(tb[NL802154_ATTR_IFINDEX]);
583
ca20ce20
AA		 584 netdev = __dev_get_by_index(&init_net, ifidx);
585 if (!netdev)
586 return -ENODEV;
587 if (netdev->ieee802154_ptr) {
588 rdev = wpan_phy_to_rdev(
589 netdev->ieee802154_ptr->wpan_phy);
590 state->filter_wpan_phy = rdev->wpan_phy_idx;
591 }
592 }
593
594 return 0;
595}
596
597static int
598nl802154_dump_wpan_phy(struct sk_buff *skb, struct netlink_callback *cb)
599{
600 int idx = 0, ret;
601 struct nl802154_dump_wpan_phy_state *state = (void *)cb->args[0];
602 struct cfg802154_registered_device *rdev;
603
604 rtnl_lock();
605 if (!state) {
606 state = kzalloc(sizeof(*state), GFP_KERNEL);
607 if (!state) {
608 rtnl_unlock();
609 return -ENOMEM;
610 }
611 state->filter_wpan_phy = -1;
612 ret = nl802154_dump_wpan_phy_parse(skb, cb, state);
613 if (ret) {
614 kfree(state);
615 rtnl_unlock();
616 return ret;
617 }
618 cb->args[0] = (long)state;
619 }
620
621 list_for_each_entry(rdev, &cfg802154_rdev_list, list) {
66e5c267
AA		 622 if (!net_eq(wpan_phy_net(&rdev->wpan_phy), sock_net(skb->sk)))
623 continue;
ca20ce20
AA		 624 if (++idx <= state->start)
625 continue;
626 if (state->filter_wpan_phy != -1 &&
627 state->filter_wpan_phy != rdev->wpan_phy_idx)
628 continue;
629 /* attempt to fit multiple wpan_phy data chunks into the skb */
630 ret = nl802154_send_wpan_phy(rdev,
631 NL802154_CMD_NEW_WPAN_PHY,
632 skb,
633 NETLINK_CB(cb->skb).portid,
634 cb->nlh->nlmsg_seq, NLM_F_MULTI);
635 if (ret < 0) {
636 if ((ret == -ENOBUFS || ret == -EMSGSIZE) &&
637 !skb->len && cb->min_dump_alloc < 4096) {
638 cb->min_dump_alloc = 4096;
639 rtnl_unlock();
640 return 1;
641 }
642 idx--;
643 break;
644 }
645 break;
646 }
647 rtnl_unlock();
648
649 state->start = idx;
650
651 return skb->len;
652}
653
654static int nl802154_dump_wpan_phy_done(struct netlink_callback *cb)
655{
656 kfree((void *)cb->args[0]);
657 return 0;
658}
659
660static int nl802154_get_wpan_phy(struct sk_buff *skb, struct genl_info *info)
661{
662 struct sk_buff *msg;
663 struct cfg802154_registered_device *rdev = info->user_ptr[0];
664
665 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
666 if (!msg)
667 return -ENOMEM;
668
669 if (nl802154_send_wpan_phy(rdev, NL802154_CMD_NEW_WPAN_PHY, msg,
670 info->snd_portid, info->snd_seq, 0) < 0) {
671 nlmsg_free(msg);
672 return -ENOBUFS;
673 }
674
675 return genlmsg_reply(msg, info);
676}
677
4b96aea0
AA		 678static inline u64 wpan_dev_id(struct wpan_dev *wpan_dev)
679{
680 return (u64)wpan_dev->identifier |
681 ((u64)wpan_phy_to_rdev(wpan_dev->wpan_phy)->wpan_phy_idx << 32);
682}
683
a26c5fd7
AA		 684#ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL
685#include <net/ieee802154_netdev.h>
686
687static int
688ieee802154_llsec_send_key_id(struct sk_buff *msg,
689 const struct ieee802154_llsec_key_id *desc)
690{
691 struct nlattr *nl_dev_addr;
692
693 if (nla_put_u32(msg, NL802154_KEY_ID_ATTR_MODE, desc->mode))
694 return -ENOBUFS;
695
696 switch (desc->mode) {
697 case NL802154_KEY_ID_MODE_IMPLICIT:
ae0be8de
MK		 698 nl_dev_addr = nla_nest_start_noflag(msg,
699 NL802154_KEY_ID_ATTR_IMPLICIT);
a26c5fd7
AA		 700 if (!nl_dev_addr)
701 return -ENOBUFS;
702
703 if (nla_put_le16(msg, NL802154_DEV_ADDR_ATTR_PAN_ID,
704 desc->device_addr.pan_id) ||
705 nla_put_u32(msg, NL802154_DEV_ADDR_ATTR_MODE,
706 desc->device_addr.mode))
707 return -ENOBUFS;
708
709 switch (desc->device_addr.mode) {
710 case NL802154_DEV_ADDR_SHORT:
711 if (nla_put_le16(msg, NL802154_DEV_ADDR_ATTR_SHORT,
712 desc->device_addr.short_addr))
713 return -ENOBUFS;
714 break;
715 case NL802154_DEV_ADDR_EXTENDED:
716 if (nla_put_le64(msg, NL802154_DEV_ADDR_ATTR_EXTENDED,
e7479122
ND		 717 desc->device_addr.extended_addr,
718 NL802154_DEV_ADDR_ATTR_PAD))
a26c5fd7
AA		 719 return -ENOBUFS;
720 break;
721 default:
722 /* userspace should handle unknown */
723 break;
724 }
725
726 nla_nest_end(msg, nl_dev_addr);
727 break;
728 case NL802154_KEY_ID_MODE_INDEX:
729 break;
730 case NL802154_KEY_ID_MODE_INDEX_SHORT:
731 /* TODO renmae short_source? */
732 if (nla_put_le32(msg, NL802154_KEY_ID_ATTR_SOURCE_SHORT,
733 desc->short_source))
734 return -ENOBUFS;
735 break;
736 case NL802154_KEY_ID_MODE_INDEX_EXTENDED:
737 if (nla_put_le64(msg, NL802154_KEY_ID_ATTR_SOURCE_EXTENDED,
e7479122
ND		 738 desc->extended_source,
739 NL802154_KEY_ID_ATTR_PAD))
a26c5fd7
AA		 740 return -ENOBUFS;
741 break;
742 default:
743 /* userspace should handle unknown */
744 break;
745 }
746
747 /* TODO key_id to key_idx ? Check naming */
748 if (desc->mode != NL802154_KEY_ID_MODE_IMPLICIT) {
749 if (nla_put_u8(msg, NL802154_KEY_ID_ATTR_INDEX, desc->id))
750 return -ENOBUFS;
751 }
752
753 return 0;
754}
755
756static int nl802154_get_llsec_params(struct sk_buff *msg,
757 struct cfg802154_registered_device *rdev,
758 struct wpan_dev *wpan_dev)
759{
760 struct nlattr *nl_key_id;
761 struct ieee802154_llsec_params params;
762 int ret;
763
764 ret = rdev_get_llsec_params(rdev, wpan_dev, &params);
765 if (ret < 0)
766 return ret;
767
768 if (nla_put_u8(msg, NL802154_ATTR_SEC_ENABLED, params.enabled) ||
769 nla_put_u32(msg, NL802154_ATTR_SEC_OUT_LEVEL, params.out_level) ||
770 nla_put_be32(msg, NL802154_ATTR_SEC_FRAME_COUNTER,
771 params.frame_counter))
772 return -ENOBUFS;
773
ae0be8de 774 nl_key_id = nla_nest_start_noflag(msg, NL802154_ATTR_SEC_OUT_KEY_ID);
a26c5fd7
AA		 775 if (!nl_key_id)
776 return -ENOBUFS;
777
778 ret = ieee802154_llsec_send_key_id(msg, &params.out_key);
779 if (ret < 0)
780 return ret;
781
782 nla_nest_end(msg, nl_key_id);
783
784 return 0;
785}
786#endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */
787
4b96aea0
AA		 788static int
789nl802154_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags,
790 struct cfg802154_registered_device *rdev,
791 struct wpan_dev *wpan_dev)
792{
793 struct net_device *dev = wpan_dev->netdev;
794 void *hdr;
795
796 hdr = nl802154hdr_put(msg, portid, seq, flags,
797 NL802154_CMD_NEW_INTERFACE);
798 if (!hdr)
799 return -1;
800
801 if (dev &&
802 (nla_put_u32(msg, NL802154_ATTR_IFINDEX, dev->ifindex) ||
803 nla_put_string(msg, NL802154_ATTR_IFNAME, dev->name)))
804 goto nla_put_failure;
805
806 if (nla_put_u32(msg, NL802154_ATTR_WPAN_PHY, rdev->wpan_phy_idx) ||
807 nla_put_u32(msg, NL802154_ATTR_IFTYPE, wpan_dev->iftype) ||
a558da09
ND		 808 nla_put_u64_64bit(msg, NL802154_ATTR_WPAN_DEV,
809 wpan_dev_id(wpan_dev), NL802154_ATTR_PAD) ||
4b96aea0
AA		 810 nla_put_u32(msg, NL802154_ATTR_GENERATION,
811 rdev->devlist_generation ^
812 (cfg802154_rdev_list_generation << 2)))
813 goto nla_put_failure;
814
815 /* address settings */
816 if (nla_put_le64(msg, NL802154_ATTR_EXTENDED_ADDR,
e7479122
ND		 817 wpan_dev->extended_addr,
818 NL802154_ATTR_PAD) ||
4b96aea0
AA		 819 nla_put_le16(msg, NL802154_ATTR_SHORT_ADDR,
820 wpan_dev->short_addr) ||
821 nla_put_le16(msg, NL802154_ATTR_PAN_ID, wpan_dev->pan_id))
822 goto nla_put_failure;
823
824 /* ARET handling */
825 if (nla_put_s8(msg, NL802154_ATTR_MAX_FRAME_RETRIES,
826 wpan_dev->frame_retries) ||
827 nla_put_u8(msg, NL802154_ATTR_MAX_BE, wpan_dev->max_be) ||
828 nla_put_u8(msg, NL802154_ATTR_MAX_CSMA_BACKOFFS,
829 wpan_dev->csma_retries) ||
830 nla_put_u8(msg, NL802154_ATTR_MIN_BE, wpan_dev->min_be))
831 goto nla_put_failure;
832
833 /* listen before transmit */
834 if (nla_put_u8(msg, NL802154_ATTR_LBT_MODE, wpan_dev->lbt))
835 goto nla_put_failure;
836
c91208d8
AA		 837 /* ackreq default behaviour */
838 if (nla_put_u8(msg, NL802154_ATTR_ACKREQ_DEFAULT, wpan_dev->ackreq))
839 goto nla_put_failure;
840
a26c5fd7 841#ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL
1534efc7
AA		 842 if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
843 goto out;
844
a26c5fd7
AA		 845 if (nl802154_get_llsec_params(msg, rdev, wpan_dev) < 0)
846 goto nla_put_failure;
1534efc7
AA		 847
848out:
a26c5fd7
AA		 849#endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */
850
053c095a
JB		 851 genlmsg_end(msg, hdr);
852 return 0;
4b96aea0
AA		 853
854nla_put_failure:
855 genlmsg_cancel(msg, hdr);
856 return -EMSGSIZE;
857}
858
859static int
860nl802154_dump_interface(struct sk_buff *skb, struct netlink_callback *cb)
861{
862 int wp_idx = 0;
863 int if_idx = 0;
864 int wp_start = cb->args[0];
865 int if_start = cb->args[1];
866 struct cfg802154_registered_device *rdev;
867 struct wpan_dev *wpan_dev;
868
869 rtnl_lock();
870 list_for_each_entry(rdev, &cfg802154_rdev_list, list) {
66e5c267
AA		 871 if (!net_eq(wpan_phy_net(&rdev->wpan_phy), sock_net(skb->sk)))
872 continue;
4b96aea0
AA		 873 if (wp_idx < wp_start) {
874 wp_idx++;
875 continue;
876 }
877 if_idx = 0;
878
879 list_for_each_entry(wpan_dev, &rdev->wpan_dev_list, list) {
880 if (if_idx < if_start) {
881 if_idx++;
882 continue;
883 }
884 if (nl802154_send_iface(skb, NETLINK_CB(cb->skb).portid,
885 cb->nlh->nlmsg_seq, NLM_F_MULTI,
886 rdev, wpan_dev) < 0) {
887 goto out;
888 }
889 if_idx++;
890 }
891
892 wp_idx++;
893 }
894out:
895 rtnl_unlock();
896
897 cb->args[0] = wp_idx;
898 cb->args[1] = if_idx;
899
900 return skb->len;
901}
902
903static int nl802154_get_interface(struct sk_buff *skb, struct genl_info *info)
904{
905 struct sk_buff *msg;
906 struct cfg802154_registered_device *rdev = info->user_ptr[0];
907 struct wpan_dev *wdev = info->user_ptr[1];
908
909 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
910 if (!msg)
911 return -ENOMEM;
912
913 if (nl802154_send_iface(msg, info->snd_portid, info->snd_seq, 0,
914 rdev, wdev) < 0) {
915 nlmsg_free(msg);
916 return -ENOBUFS;
917 }
918
919 return genlmsg_reply(msg, info);
920}
921
f3ea5e44
AA		 922static int nl802154_new_interface(struct sk_buff *skb, struct genl_info *info)
923{
924 struct cfg802154_registered_device *rdev = info->user_ptr[0];
925 enum nl802154_iftype type = NL802154_IFTYPE_UNSPEC;
0e57547e 926 __le64 extended_addr = cpu_to_le64(0x0000000000000000ULL);
f3ea5e44
AA		 927
928 /* TODO avoid failing a new interface
929 * creation due to pending removal?
930 */
931
932 if (!info->attrs[NL802154_ATTR_IFNAME])
933 return -EINVAL;
934
935 if (info->attrs[NL802154_ATTR_IFTYPE]) {
936 type = nla_get_u32(info->attrs[NL802154_ATTR_IFTYPE]);
65318680
AA		 937 if (type > NL802154_IFTYPE_MAX ||
938 !(rdev->wpan_phy.supported.iftypes & BIT(type)))
f3ea5e44
AA		 939 return -EINVAL;
940 }
941
0e57547e 942 if (info->attrs[NL802154_ATTR_EXTENDED_ADDR])
1ee06ef1 943 extended_addr = nla_get_le64(info->attrs[NL802154_ATTR_EXTENDED_ADDR]);
0e57547e 944
f3ea5e44
AA		 945 if (!rdev->ops->add_virtual_intf)
946 return -EOPNOTSUPP;
947
948 return rdev_add_virtual_intf(rdev,
949 nla_data(info->attrs[NL802154_ATTR_IFNAME]),
5b4a1039 950 NET_NAME_USER, type, extended_addr);
f3ea5e44
AA		 951}
952
b821ecd4
AA		 953static int nl802154_del_interface(struct sk_buff *skb, struct genl_info *info)
954{
955 struct cfg802154_registered_device *rdev = info->user_ptr[0];
956 struct wpan_dev *wpan_dev = info->user_ptr[1];
957
958 if (!rdev->ops->del_virtual_intf)
959 return -EOPNOTSUPP;
960
961 /* If we remove a wpan device without a netdev then clear
962 * user_ptr[1] so that nl802154_post_doit won't dereference it
963 * to check if it needs to do dev_put(). Otherwise it crashes
964 * since the wpan_dev has been freed, unlike with a netdev where
965 * we need the dev_put() for the netdev to really be freed.
966 */
967 if (!wpan_dev->netdev)
968 info->user_ptr[1] = NULL;
969
970 return rdev_del_virtual_intf(rdev, wpan_dev);
971}
972
ab0bd561
AA		 973static int nl802154_set_channel(struct sk_buff *skb, struct genl_info *info)
974{
975 struct cfg802154_registered_device *rdev = info->user_ptr[0];
976 u8 channel, page;
977
978 if (!info->attrs[NL802154_ATTR_PAGE] ||
979 !info->attrs[NL802154_ATTR_CHANNEL])
980 return -EINVAL;
981
982 page = nla_get_u8(info->attrs[NL802154_ATTR_PAGE]);
983 channel = nla_get_u8(info->attrs[NL802154_ATTR_CHANNEL]);
984
985 /* check 802.15.4 constraints */
d2aaf2a0 986 if (!ieee802154_chan_is_valid(&rdev->wpan_phy, page, channel))
ab0bd561
AA		 987 return -EINVAL;
988
989 return rdev_set_channel(rdev, page, channel);
990}
991
ba2a9506
AA		 992static int nl802154_set_cca_mode(struct sk_buff *skb, struct genl_info *info)
993{
994 struct cfg802154_registered_device *rdev = info->user_ptr[0];
995 struct wpan_phy_cca cca;
996
fc4f8052 997 if (!(rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_MODE))
edea8f7c
AA		 998 return -EOPNOTSUPP;
999
ba2a9506
AA		 1000 if (!info->attrs[NL802154_ATTR_CCA_MODE])
1001 return -EINVAL;
1002
1003 cca.mode = nla_get_u32(info->attrs[NL802154_ATTR_CCA_MODE]);
1004 /* checking 802.15.4 constraints */
fea3318d
AA		 1005 if (cca.mode < NL802154_CCA_ENERGY ||
1006 cca.mode > NL802154_CCA_ATTR_MAX ||
1007 !(rdev->wpan_phy.supported.cca_modes & BIT(cca.mode)))
ba2a9506
AA		 1008 return -EINVAL;
1009
1010 if (cca.mode == NL802154_CCA_ENERGY_CARRIER) {
1011 if (!info->attrs[NL802154_ATTR_CCA_OPT])
1012 return -EINVAL;
1013
1014 cca.opt = nla_get_u32(info->attrs[NL802154_ATTR_CCA_OPT]);
fea3318d
AA		 1015 if (cca.opt > NL802154_CCA_OPT_ATTR_MAX ||
1016 !(rdev->wpan_phy.supported.cca_opts & BIT(cca.opt)))
ba2a9506
AA		 1017 return -EINVAL;
1018 }
1019
1020 return rdev_set_cca_mode(rdev, &cca);
1021}
1022
b69644c1
AA		 1023static int nl802154_set_cca_ed_level(struct sk_buff *skb, struct genl_info *info)
1024{
1025 struct cfg802154_registered_device *rdev = info->user_ptr[0];
1026 s32 ed_level;
1027 int i;
1028
1029 if (!(rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_ED_LEVEL))
1030 return -EOPNOTSUPP;
1031
1032 if (!info->attrs[NL802154_ATTR_CCA_ED_LEVEL])
1033 return -EINVAL;
1034
1035 ed_level = nla_get_s32(info->attrs[NL802154_ATTR_CCA_ED_LEVEL]);
1036
1037 for (i = 0; i < rdev->wpan_phy.supported.cca_ed_levels_size; i++) {
1038 if (ed_level == rdev->wpan_phy.supported.cca_ed_levels[i])
1039 return rdev_set_cca_ed_level(rdev, ed_level);
1040 }
1041
1042 return -EINVAL;
1043}
1044
0f999b09
VB		 1045static int nl802154_set_tx_power(struct sk_buff *skb, struct genl_info *info)
1046{
1047 struct cfg802154_registered_device *rdev = info->user_ptr[0];
1048 s32 power;
1049 int i;
1050
1051 if (!(rdev->wpan_phy.flags & WPAN_PHY_FLAG_TXPOWER))
1052 return -EOPNOTSUPP;
1053
1054 if (!info->attrs[NL802154_ATTR_TX_POWER])
1055 return -EINVAL;
1056
1057 power = nla_get_s32(info->attrs[NL802154_ATTR_TX_POWER]);
1058
1059 for (i = 0; i < rdev->wpan_phy.supported.tx_powers_size; i++) {
1060 if (power == rdev->wpan_phy.supported.tx_powers[i])
1061 return rdev_set_tx_power(rdev, power);
1062 }
1063
1064 return -EINVAL;
1065}
1066
702bf371
AA		 1067static int nl802154_set_pan_id(struct sk_buff *skb, struct genl_info *info)
1068{
1069 struct cfg802154_registered_device *rdev = info->user_ptr[0];
1070 struct net_device *dev = info->user_ptr[1];
1071 struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
ee7b9053 1072 __le16 pan_id;
702bf371
AA		 1073
1074 /* conflict here while tx/rx calls */
1075 if (netif_running(dev))
1076 return -EBUSY;
1077
9e3b71f3
AA		 1078 if (wpan_dev->lowpan_dev) {
1079 if (netif_running(wpan_dev->lowpan_dev))
1080 return -EBUSY;
1081 }
1082
702bf371 1083 /* don't change address fields on monitor */
0cf0879a
AA		 1084 if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR ||
1085 !info->attrs[NL802154_ATTR_PAN_ID])
702bf371
AA		 1086 return -EINVAL;
1087
ee7b9053 1088 pan_id = nla_get_le16(info->attrs[NL802154_ATTR_PAN_ID]);
702bf371 1089
673692fa
AA		 1090 /* TODO
1091 * I am not sure about to check here on broadcast pan_id.
1092 * Broadcast is a valid setting, comment from 802.15.4:
1093 * If this value is 0xffff, the device is not associated.
1094 *
1095 * This could useful to simple deassociate an device.
1096 */
1097 if (pan_id == cpu_to_le16(IEEE802154_PAN_ID_BROADCAST))
1098 return -EINVAL;
1099
702bf371
AA		 1100 return rdev_set_pan_id(rdev, wpan_dev, pan_id);
1101}
1102
9830c62a
AA		 1103static int nl802154_set_short_addr(struct sk_buff *skb, struct genl_info *info)
1104{
1105 struct cfg802154_registered_device *rdev = info->user_ptr[0];
1106 struct net_device *dev = info->user_ptr[1];
1107 struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
ee7b9053 1108 __le16 short_addr;
9830c62a
AA		 1109
1110 /* conflict here while tx/rx calls */
1111 if (netif_running(dev))
1112 return -EBUSY;
1113
9e3b71f3
AA		 1114 if (wpan_dev->lowpan_dev) {
1115 if (netif_running(wpan_dev->lowpan_dev))
1116 return -EBUSY;
1117 }
1118
9830c62a 1119 /* don't change address fields on monitor */
0cf0879a
AA		 1120 if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR ||
1121 !info->attrs[NL802154_ATTR_SHORT_ADDR])
9830c62a
AA		 1122 return -EINVAL;
1123
ee7b9053 1124 short_addr = nla_get_le16(info->attrs[NL802154_ATTR_SHORT_ADDR]);
9830c62a 1125
673692fa
AA		 1126 /* TODO
1127 * I am not sure about to check here on broadcast short_addr.
1128 * Broadcast is a valid setting, comment from 802.15.4:
1129 * A value of 0xfffe indicates that the device has
1130 * associated but has not been allocated an address. A
1131 * value of 0xffff indicates that the device does not
1132 * have a short address.
1133 *
1134 * I think we should allow to set these settings but
1135 * don't allow to allow socket communication with it.
1136 */
1137 if (short_addr == cpu_to_le16(IEEE802154_ADDR_SHORT_UNSPEC) ||
1138 short_addr == cpu_to_le16(IEEE802154_ADDR_SHORT_BROADCAST))
1139 return -EINVAL;
1140
9830c62a
AA		 1141 return rdev_set_short_addr(rdev, wpan_dev, short_addr);
1142}
1143
656a999e
AA		 1144static int
1145nl802154_set_backoff_exponent(struct sk_buff *skb, struct genl_info *info)
1146{
1147 struct cfg802154_registered_device *rdev = info->user_ptr[0];
1148 struct net_device *dev = info->user_ptr[1];
1149 struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
1150 u8 min_be, max_be;
1151
1152 /* should be set on netif open inside phy settings */
1153 if (netif_running(dev))
1154 return -EBUSY;
1155
1156 if (!info->attrs[NL802154_ATTR_MIN_BE] ||
1157 !info->attrs[NL802154_ATTR_MAX_BE])
1158 return -EINVAL;
1159
1160 min_be = nla_get_u8(info->attrs[NL802154_ATTR_MIN_BE]);
1161 max_be = nla_get_u8(info->attrs[NL802154_ATTR_MAX_BE]);
1162
1163 /* check 802.15.4 constraints */
fea3318d
AA		 1164 if (min_be < rdev->wpan_phy.supported.min_minbe ||
1165 min_be > rdev->wpan_phy.supported.max_minbe ||
1166 max_be < rdev->wpan_phy.supported.min_maxbe ||
1167 max_be > rdev->wpan_phy.supported.max_maxbe ||
1168 min_be > max_be)
656a999e
AA		 1169 return -EINVAL;
1170
1171 return rdev_set_backoff_exponent(rdev, wpan_dev, min_be, max_be);
1172}
1173
a01ba765
AA		 1174static int
1175nl802154_set_max_csma_backoffs(struct sk_buff *skb, struct genl_info *info)
1176{
1177 struct cfg802154_registered_device *rdev = info->user_ptr[0];
1178 struct net_device *dev = info->user_ptr[1];
1179 struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
1180 u8 max_csma_backoffs;
1181
1182 /* conflict here while other running iface settings */
1183 if (netif_running(dev))
1184 return -EBUSY;
1185
1186 if (!info->attrs[NL802154_ATTR_MAX_CSMA_BACKOFFS])
1187 return -EINVAL;
1188
1189 max_csma_backoffs = nla_get_u8(
1190 info->attrs[NL802154_ATTR_MAX_CSMA_BACKOFFS]);
1191
1192 /* check 802.15.4 constraints */
fea3318d
AA		 1193 if (max_csma_backoffs < rdev->wpan_phy.supported.min_csma_backoffs ||
1194 max_csma_backoffs > rdev->wpan_phy.supported.max_csma_backoffs)
a01ba765
AA		 1195 return -EINVAL;
1196
1197 return rdev_set_max_csma_backoffs(rdev, wpan_dev, max_csma_backoffs);
1198}
1199
17a3a46b
AA		 1200static int
1201nl802154_set_max_frame_retries(struct sk_buff *skb, struct genl_info *info)
1202{
1203 struct cfg802154_registered_device *rdev = info->user_ptr[0];
1204 struct net_device *dev = info->user_ptr[1];
1205 struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
1206 s8 max_frame_retries;
1207
1208 if (netif_running(dev))
1209 return -EBUSY;
1210
1211 if (!info->attrs[NL802154_ATTR_MAX_FRAME_RETRIES])
1212 return -EINVAL;
1213
1214 max_frame_retries = nla_get_s8(
1215 info->attrs[NL802154_ATTR_MAX_FRAME_RETRIES]);
1216
1217 /* check 802.15.4 constraints */
fea3318d
AA		 1218 if (max_frame_retries < rdev->wpan_phy.supported.min_frame_retries ||
1219 max_frame_retries > rdev->wpan_phy.supported.max_frame_retries)
17a3a46b
AA		 1220 return -EINVAL;
1221
1222 return rdev_set_max_frame_retries(rdev, wpan_dev, max_frame_retries);
1223}
1224
c8937a1d
AA		 1225static int nl802154_set_lbt_mode(struct sk_buff *skb, struct genl_info *info)
1226{
1227 struct cfg802154_registered_device *rdev = info->user_ptr[0];
1228 struct net_device *dev = info->user_ptr[1];
1229 struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
4e1795de 1230 int mode;
c8937a1d
AA		 1231
1232 if (netif_running(dev))
1233 return -EBUSY;
1234
1235 if (!info->attrs[NL802154_ATTR_LBT_MODE])
1236 return -EINVAL;
1237
4e1795de
SS		 1238 mode = nla_get_u8(info->attrs[NL802154_ATTR_LBT_MODE]);
1239
1240 if (mode != 0 && mode != 1)
1241 return -EINVAL;
1242
fea3318d
AA		 1243 if (!wpan_phy_supported_bool(mode, rdev->wpan_phy.supported.lbt))
1244 return -EINVAL;
1245
c8937a1d
AA		 1246 return rdev_set_lbt_mode(rdev, wpan_dev, mode);
1247}
1248
c91208d8
AA		 1249static int
1250nl802154_set_ackreq_default(struct sk_buff *skb, struct genl_info *info)
1251{
1252 struct cfg802154_registered_device *rdev = info->user_ptr[0];
1253 struct net_device *dev = info->user_ptr[1];
1254 struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
4e1795de 1255 int ackreq;
c91208d8
AA		 1256
1257 if (netif_running(dev))
1258 return -EBUSY;
1259
1260 if (!info->attrs[NL802154_ATTR_ACKREQ_DEFAULT])
1261 return -EINVAL;
1262
4e1795de
SS		 1263 ackreq = nla_get_u8(info->attrs[NL802154_ATTR_ACKREQ_DEFAULT]);
1264
1265 if (ackreq != 0 && ackreq != 1)
1266 return -EINVAL;
1267
c91208d8
AA		 1268 return rdev_set_ackreq_default(rdev, wpan_dev, ackreq);
1269}
1270
66e5c267
AA		 1271static int nl802154_wpan_phy_netns(struct sk_buff *skb, struct genl_info *info)
1272{
1273 struct cfg802154_registered_device *rdev = info->user_ptr[0];
1274 struct net *net;
1275 int err;
1276
1277 if (info->attrs[NL802154_ATTR_PID]) {
1278 u32 pid = nla_get_u32(info->attrs[NL802154_ATTR_PID]);
1279
1280 net = get_net_ns_by_pid(pid);
1281 } else if (info->attrs[NL802154_ATTR_NETNS_FD]) {
1282 u32 fd = nla_get_u32(info->attrs[NL802154_ATTR_NETNS_FD]);
1283
1284 net = get_net_ns_by_fd(fd);
1285 } else {
1286 return -EINVAL;
1287 }
1288
1289 if (IS_ERR(net))
1290 return PTR_ERR(net);
1291
1292 err = 0;
1293
1294 /* check if anything to do */
1295 if (!net_eq(wpan_phy_net(&rdev->wpan_phy), net))
1296 err = cfg802154_switch_netns(rdev, net);
1297
1298 put_net(net);
1299 return err;
1300}
1301
51147284
MR		 1302static int nl802154_prep_scan_event_msg(struct sk_buff *msg,
1303 struct cfg802154_registered_device *rdev,
1304 struct wpan_dev *wpan_dev,
1305 u32 portid, u32 seq, int flags, u8 cmd,
1306 struct ieee802154_coord_desc *desc)
1307{
1308 struct nlattr *nla;
1309 void *hdr;
1310
1311 hdr = nl802154hdr_put(msg, portid, seq, flags, cmd);
1312 if (!hdr)
1313 return -ENOBUFS;
1314
1315 if (nla_put_u32(msg, NL802154_ATTR_WPAN_PHY, rdev->wpan_phy_idx))
1316 goto nla_put_failure;
1317
1318 if (wpan_dev->netdev &&
1319 nla_put_u32(msg, NL802154_ATTR_IFINDEX, wpan_dev->netdev->ifindex))
1320 goto nla_put_failure;
1321
1322 if (nla_put_u64_64bit(msg, NL802154_ATTR_WPAN_DEV,
1323 wpan_dev_id(wpan_dev), NL802154_ATTR_PAD))
1324 goto nla_put_failure;
1325
1326 nla = nla_nest_start_noflag(msg, NL802154_ATTR_COORDINATOR);
1327 if (!nla)
1328 goto nla_put_failure;
1329
1330 if (nla_put(msg, NL802154_COORD_PANID, IEEE802154_PAN_ID_LEN,
1331 &desc->addr.pan_id))
1332 goto nla_put_failure;
1333
1334 if (desc->addr.mode == IEEE802154_ADDR_SHORT) {
1335 if (nla_put(msg, NL802154_COORD_ADDR,
1336 IEEE802154_SHORT_ADDR_LEN,
1337 &desc->addr.short_addr))
1338 goto nla_put_failure;
1339 } else {
1340 if (nla_put(msg, NL802154_COORD_ADDR,
1341 IEEE802154_EXTENDED_ADDR_LEN,
1342 &desc->addr.extended_addr))
1343 goto nla_put_failure;
1344 }
1345
1346 if (nla_put_u8(msg, NL802154_COORD_CHANNEL, desc->channel))
1347 goto nla_put_failure;
1348
1349 if (nla_put_u8(msg, NL802154_COORD_PAGE, desc->page))
1350 goto nla_put_failure;
1351
1352 if (nla_put_u16(msg, NL802154_COORD_SUPERFRAME_SPEC,
1353 desc->superframe_spec))
1354 goto nla_put_failure;
1355
1356 if (nla_put_u8(msg, NL802154_COORD_LINK_QUALITY, desc->link_quality))
1357 goto nla_put_failure;
1358
1359 if (desc->gts_permit && nla_put_flag(msg, NL802154_COORD_GTS_PERMIT))
1360 goto nla_put_failure;
1361
1362 /* TODO: NL802154_COORD_PAYLOAD_DATA if any */
1363
1364 nla_nest_end(msg, nla);
1365
1366 genlmsg_end(msg, hdr);
1367
1368 return 0;
1369
1370 nla_put_failure:
1371 genlmsg_cancel(msg, hdr);
1372
1373 return -EMSGSIZE;
1374}
1375
1376int nl802154_scan_event(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev,
1377 struct ieee802154_coord_desc *desc)
1378{
1379 struct cfg802154_registered_device *rdev = wpan_phy_to_rdev(wpan_phy);
1380 struct sk_buff *msg;
1381 int ret;
1382
1383 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
1384 if (!msg)
1385 return -ENOMEM;
1386
1387 ret = nl802154_prep_scan_event_msg(msg, rdev, wpan_dev, 0, 0, 0,
1388 NL802154_CMD_SCAN_EVENT,
1389 desc);
1390 if (ret < 0) {
1391 nlmsg_free(msg);
1392 return ret;
1393 }
1394
1395 return genlmsg_multicast_netns(&nl802154_fam, wpan_phy_net(wpan_phy),
1396 msg, 0, NL802154_MCGRP_SCAN, GFP_ATOMIC);
1397}
1398EXPORT_SYMBOL_GPL(nl802154_scan_event);
1399
ed3557c9
MR		 1400static int nl802154_trigger_scan(struct sk_buff *skb, struct genl_info *info)
1401{
1402 struct cfg802154_registered_device *rdev = info->user_ptr[0];
1403 struct net_device *dev = info->user_ptr[1];
1404 struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
1405 struct wpan_phy *wpan_phy = &rdev->wpan_phy;
1406 struct cfg802154_scan_request *request;
1407 u8 type;
1408 int err;
1409
a0b61066
MR		 1410 if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR) {
1411 NL_SET_ERR_MSG(info->extack, "Monitors are not allowed to perform scans");
1edecbd0 1412 return -EOPNOTSUPP;
a0b61066
MR		 1413 }
1414
02f18662 1415 if (!info->attrs[NL802154_ATTR_SCAN_TYPE]) {
a0b61066
MR		 1416 NL_SET_ERR_MSG(info->extack, "Malformed request, missing scan type");
1417 return -EINVAL;
1418 }
ed3557c9
MR		 1419
1420 request = kzalloc(sizeof(*request), GFP_KERNEL);
1421 if (!request)
1422 return -ENOMEM;
1423
1424 request->wpan_dev = wpan_dev;
1425 request->wpan_phy = wpan_phy;
1426
1427 type = nla_get_u8(info->attrs[NL802154_ATTR_SCAN_TYPE]);
1428 switch (type) {
1429 case NL802154_SCAN_PASSIVE:
1430 request->type = type;
1431 break;
1432 default:
a0b61066 1433 NL_SET_ERR_MSG_FMT(info->extack, "Unsupported scan type: %d", type);
ed3557c9
MR		 1434 err = -EINVAL;
1435 goto free_request;
1436 }
1437
648324c9
MR		 1438 /* Use current page by default */
1439 if (info->attrs[NL802154_ATTR_PAGE])
ed3557c9 1440 request->page = nla_get_u8(info->attrs[NL802154_ATTR_PAGE]);
648324c9 1441 else
ed3557c9 1442 request->page = wpan_phy->current_page;
ed3557c9 1443
648324c9
MR		 1444 /* Scan all supported channels by default */
1445 if (info->attrs[NL802154_ATTR_SCAN_CHANNELS])
ed3557c9 1446 request->channels = nla_get_u32(info->attrs[NL802154_ATTR_SCAN_CHANNELS]);
648324c9 1447 else
ed3557c9 1448 request->channels = wpan_phy->supported.channels[request->page];
ed3557c9 1449
648324c9
MR		 1450 /* Use maximum duration order by default */
1451 if (info->attrs[NL802154_ATTR_SCAN_DURATION])
ed3557c9 1452 request->duration = nla_get_u8(info->attrs[NL802154_ATTR_SCAN_DURATION]);
648324c9 1453 else
ed3557c9 1454 request->duration = IEEE802154_MAX_SCAN_DURATION;
ed3557c9 1455
ed3557c9
MR		 1456 err = rdev_trigger_scan(rdev, request);
1457 if (err) {
1458 pr_err("Failure starting scanning (%d)\n", err);
ed9a8ad7 1459 goto free_request;
ed3557c9
MR		 1460 }
1461
1462 return 0;
1463
ed3557c9
MR		 1464free_request:
1465 kfree(request);
1466
1467 return err;
1468}
1469
1470static int nl802154_prep_scan_msg(struct sk_buff *msg,
1471 struct cfg802154_registered_device *rdev,
1472 struct wpan_dev *wpan_dev, u32 portid,
1473 u32 seq, int flags, u8 cmd, u8 arg)
1474{
1475 void *hdr;
1476
1477 hdr = nl802154hdr_put(msg, portid, seq, flags, cmd);
1478 if (!hdr)
1479 return -ENOBUFS;
1480
1481 if (nla_put_u32(msg, NL802154_ATTR_WPAN_PHY, rdev->wpan_phy_idx))
1482 goto nla_put_failure;
1483
1484 if (wpan_dev->netdev &&
1485 nla_put_u32(msg, NL802154_ATTR_IFINDEX, wpan_dev->netdev->ifindex))
1486 goto nla_put_failure;
1487
1488 if (nla_put_u64_64bit(msg, NL802154_ATTR_WPAN_DEV,
1489 wpan_dev_id(wpan_dev), NL802154_ATTR_PAD))
1490 goto nla_put_failure;
1491
1492 if (cmd == NL802154_CMD_SCAN_DONE &&
1493 nla_put_u8(msg, NL802154_ATTR_SCAN_DONE_REASON, arg))
1494 goto nla_put_failure;
1495
1496 genlmsg_end(msg, hdr);
1497
1498 return 0;
1499
1500nla_put_failure:
1501 genlmsg_cancel(msg, hdr);
1502
1503 return -EMSGSIZE;
1504}
1505
1506static int nl802154_send_scan_msg(struct cfg802154_registered_device *rdev,
1507 struct wpan_dev *wpan_dev, u8 cmd, u8 arg)
1508{
1509 struct sk_buff *msg;
1510 int ret;
1511
1512 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
1513 if (!msg)
1514 return -ENOMEM;
1515
1516 ret = nl802154_prep_scan_msg(msg, rdev, wpan_dev, 0, 0, 0, cmd, arg);
1517 if (ret < 0) {
1518 nlmsg_free(msg);
1519 return ret;
1520 }
1521
1522 return genlmsg_multicast_netns(&nl802154_fam,
1523 wpan_phy_net(&rdev->wpan_phy), msg, 0,
1524 NL802154_MCGRP_SCAN, GFP_KERNEL);
1525}
1526
1527int nl802154_scan_started(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev)
1528{
1529 struct cfg802154_registered_device *rdev = wpan_phy_to_rdev(wpan_phy);
1530 int err;
1531
1532 /* Ignore errors when there are no listeners */
1533 err = nl802154_send_scan_msg(rdev, wpan_dev, NL802154_CMD_TRIGGER_SCAN, 0);
1534 if (err == -ESRCH)
1535 err = 0;
1536
1537 return err;
1538}
1539EXPORT_SYMBOL_GPL(nl802154_scan_started);
1540
1541int nl802154_scan_done(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev,
1542 enum nl802154_scan_done_reasons reason)
1543{
1544 struct cfg802154_registered_device *rdev = wpan_phy_to_rdev(wpan_phy);
1545 int err;
1546
1547 /* Ignore errors when there are no listeners */
1548 err = nl802154_send_scan_msg(rdev, wpan_dev, NL802154_CMD_SCAN_DONE, reason);
1549 if (err == -ESRCH)
1550 err = 0;
1551
ed3557c9
MR		 1552 return err;
1553}
1554EXPORT_SYMBOL_GPL(nl802154_scan_done);
1555
1556static int nl802154_abort_scan(struct sk_buff *skb, struct genl_info *info)
1557{
1558 struct cfg802154_registered_device *rdev = info->user_ptr[0];
1559 struct net_device *dev = info->user_ptr[1];
1560 struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
1561
1562 /* Resources are released in the notification helper above */
1563 return rdev_abort_scan(rdev, wpan_dev);
1564}
1565
9bc11450
MR		 1566static int
1567nl802154_send_beacons(struct sk_buff *skb, struct genl_info *info)
1568{
1569 struct cfg802154_registered_device *rdev = info->user_ptr[0];
1570 struct net_device *dev = info->user_ptr[1];
1571 struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
1572 struct wpan_phy *wpan_phy = &rdev->wpan_phy;
1573 struct cfg802154_beacon_request *request;
1574 int err;
1575
a0b61066
MR		 1576 if (wpan_dev->iftype != NL802154_IFTYPE_COORD) {
1577 NL_SET_ERR_MSG(info->extack, "Only coordinators can send beacons");
9bc11450 1578 return -EOPNOTSUPP;
a0b61066 1579 }
9bc11450
MR		 1580
1581 if (wpan_dev->pan_id == cpu_to_le16(IEEE802154_PANID_BROADCAST)) {
a0b61066 1582 NL_SET_ERR_MSG(info->extack, "Device is not part of any PAN");
9bc11450
MR		 1583 return -EPERM;
1584 }
1585
1586 request = kzalloc(sizeof(*request), GFP_KERNEL);
1587 if (!request)
1588 return -ENOMEM;
1589
1590 request->wpan_dev = wpan_dev;
1591 request->wpan_phy = wpan_phy;
1592
648324c9
MR		 1593 /* Use maximum duration order by default */
1594 if (info->attrs[NL802154_ATTR_BEACON_INTERVAL])
9bc11450 1595 request->interval = nla_get_u8(info->attrs[NL802154_ATTR_BEACON_INTERVAL]);
648324c9 1596 else
9bc11450 1597 request->interval = IEEE802154_MAX_SCAN_DURATION;
9bc11450 1598
9bc11450
MR		 1599 err = rdev_send_beacons(rdev, request);
1600 if (err) {
1601 pr_err("Failure starting sending beacons (%d)\n", err);
ed9a8ad7 1602 goto free_request;
9bc11450
MR		 1603 }
1604
1605 return 0;
1606
ed9a8ad7 1607free_request:
9bc11450
MR		 1608 kfree(request);
1609
1610 return err;
1611}
1612
1613void nl802154_beaconing_done(struct wpan_dev *wpan_dev)
1614{
ed9a8ad7 1615 /* NOP */
9bc11450
MR		 1616}
1617EXPORT_SYMBOL_GPL(nl802154_beaconing_done);
1618
1619static int
1620nl802154_stop_beacons(struct sk_buff *skb, struct genl_info *info)
1621{
1622 struct cfg802154_registered_device *rdev = info->user_ptr[0];
1623 struct net_device *dev = info->user_ptr[1];
1624 struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
1625
1626 /* Resources are released in the notification helper above */
1627 return rdev_stop_beacons(rdev, wpan_dev);
1628}
1629
a26c5fd7
AA		 1630#ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL
1631static const struct nla_policy nl802154_dev_addr_policy[NL802154_DEV_ADDR_ATTR_MAX + 1] = {
1632 [NL802154_DEV_ADDR_ATTR_PAN_ID] = { .type = NLA_U16 },
1633 [NL802154_DEV_ADDR_ATTR_MODE] = { .type = NLA_U32 },
1634 [NL802154_DEV_ADDR_ATTR_SHORT] = { .type = NLA_U16 },
1635 [NL802154_DEV_ADDR_ATTR_EXTENDED] = { .type = NLA_U64 },
1636};
79fe1a2a 1637
a26c5fd7
AA		 1638static int
1639ieee802154_llsec_parse_dev_addr(struct nlattr *nla,
1640 struct ieee802154_addr *addr)
79fe1a2a 1641{
a26c5fd7 1642 struct nlattr *attrs[NL802154_DEV_ADDR_ATTR_MAX + 1];
79fe1a2a 1643
8cb08174 1644 if (!nla || nla_parse_nested_deprecated(attrs, NL802154_DEV_ADDR_ATTR_MAX, nla, nl802154_dev_addr_policy, NULL))
a26c5fd7 1645 return -EINVAL;
79fe1a2a 1646
9fdd0491 1647 if (!attrs[NL802154_DEV_ADDR_ATTR_PAN_ID] || !attrs[NL802154_DEV_ADDR_ATTR_MODE])
a26c5fd7 1648 return -EINVAL;
79fe1a2a 1649
a26c5fd7
AA		 1650 addr->pan_id = nla_get_le16(attrs[NL802154_DEV_ADDR_ATTR_PAN_ID]);
1651 addr->mode = nla_get_u32(attrs[NL802154_DEV_ADDR_ATTR_MODE]);
1652 switch (addr->mode) {
1653 case NL802154_DEV_ADDR_SHORT:
9fdd0491
DR		 1654 if (!attrs[NL802154_DEV_ADDR_ATTR_SHORT])
1655 return -EINVAL;
a26c5fd7
AA		 1656 addr->short_addr = nla_get_le16(attrs[NL802154_DEV_ADDR_ATTR_SHORT]);
1657 break;
1658 case NL802154_DEV_ADDR_EXTENDED:
9fdd0491
DR		 1659 if (!attrs[NL802154_DEV_ADDR_ATTR_EXTENDED])
1660 return -EINVAL;
a26c5fd7
AA		 1661 addr->extended_addr = nla_get_le64(attrs[NL802154_DEV_ADDR_ATTR_EXTENDED]);
1662 break;
1663 default:
1664 return -EINVAL;
1665 }
79fe1a2a 1666
a26c5fd7
AA		 1667 return 0;
1668}
79fe1a2a 1669
a26c5fd7
AA		 1670static const struct nla_policy nl802154_key_id_policy[NL802154_KEY_ID_ATTR_MAX + 1] = {
1671 [NL802154_KEY_ID_ATTR_MODE] = { .type = NLA_U32 },
1672 [NL802154_KEY_ID_ATTR_INDEX] = { .type = NLA_U8 },
1673 [NL802154_KEY_ID_ATTR_IMPLICIT] = { .type = NLA_NESTED },
1674 [NL802154_KEY_ID_ATTR_SOURCE_SHORT] = { .type = NLA_U32 },
1675 [NL802154_KEY_ID_ATTR_SOURCE_EXTENDED] = { .type = NLA_U64 },
1676};
79fe1a2a 1677
a26c5fd7
AA		 1678static int
1679ieee802154_llsec_parse_key_id(struct nlattr *nla,
1680 struct ieee802154_llsec_key_id *desc)
1681{
1682 struct nlattr *attrs[NL802154_KEY_ID_ATTR_MAX + 1];
79fe1a2a 1683
8cb08174 1684 if (!nla || nla_parse_nested_deprecated(attrs, NL802154_KEY_ID_ATTR_MAX, nla, nl802154_key_id_policy, NULL))
a26c5fd7 1685 return -EINVAL;
79fe1a2a 1686
a26c5fd7
AA		 1687 if (!attrs[NL802154_KEY_ID_ATTR_MODE])
1688 return -EINVAL;
1689
1690 desc->mode = nla_get_u32(attrs[NL802154_KEY_ID_ATTR_MODE]);
1691 switch (desc->mode) {
1692 case NL802154_KEY_ID_MODE_IMPLICIT:
1693 if (!attrs[NL802154_KEY_ID_ATTR_IMPLICIT])
1694 return -EINVAL;
1695
1696 if (ieee802154_llsec_parse_dev_addr(attrs[NL802154_KEY_ID_ATTR_IMPLICIT],
1697 &desc->device_addr) < 0)
1698 return -EINVAL;
1699 break;
1700 case NL802154_KEY_ID_MODE_INDEX:
1701 break;
1702 case NL802154_KEY_ID_MODE_INDEX_SHORT:
1703 if (!attrs[NL802154_KEY_ID_ATTR_SOURCE_SHORT])
1704 return -EINVAL;
1705
1706 desc->short_source = nla_get_le32(attrs[NL802154_KEY_ID_ATTR_SOURCE_SHORT]);
1707 break;
1708 case NL802154_KEY_ID_MODE_INDEX_EXTENDED:
1709 if (!attrs[NL802154_KEY_ID_ATTR_SOURCE_EXTENDED])
1710 return -EINVAL;
1711
1712 desc->extended_source = nla_get_le64(attrs[NL802154_KEY_ID_ATTR_SOURCE_EXTENDED]);
1713 break;
1714 default:
1715 return -EINVAL;
1716 }
1717
1718 if (desc->mode != NL802154_KEY_ID_MODE_IMPLICIT) {
1719 if (!attrs[NL802154_KEY_ID_ATTR_INDEX])
1720 return -EINVAL;
1721
1722 /* TODO change id to idx */
1723 desc->id = nla_get_u8(attrs[NL802154_KEY_ID_ATTR_INDEX]);
79fe1a2a
AA		 1724 }
1725
1726 return 0;
1727}
1728
a26c5fd7
AA		 1729static int nl802154_set_llsec_params(struct sk_buff *skb,
1730 struct genl_info *info)
79fe1a2a 1731{
a26c5fd7
AA		 1732 struct cfg802154_registered_device *rdev = info->user_ptr[0];
1733 struct net_device *dev = info->user_ptr[1];
1734 struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
1735 struct ieee802154_llsec_params params;
1736 u32 changed = 0;
1737 int ret;
79fe1a2a 1738
88c17855
AA		 1739 if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
1740 return -EOPNOTSUPP;
1741
a26c5fd7
AA		 1742 if (info->attrs[NL802154_ATTR_SEC_ENABLED]) {
1743 u8 enabled;
1744
1745 enabled = nla_get_u8(info->attrs[NL802154_ATTR_SEC_ENABLED]);
1746 if (enabled != 0 && enabled != 1)
1747 return -EINVAL;
1748
1749 params.enabled = nla_get_u8(info->attrs[NL802154_ATTR_SEC_ENABLED]);
1750 changed |= IEEE802154_LLSEC_PARAM_ENABLED;
1751 }
1752
1753 if (info->attrs[NL802154_ATTR_SEC_OUT_KEY_ID]) {
1754 ret = ieee802154_llsec_parse_key_id(info->attrs[NL802154_ATTR_SEC_OUT_KEY_ID],
1755 &params.out_key);
1756 if (ret < 0)
1757 return ret;
1758
1759 changed |= IEEE802154_LLSEC_PARAM_OUT_KEY;
1760 }
1761
1762 if (info->attrs[NL802154_ATTR_SEC_OUT_LEVEL]) {
1763 params.out_level = nla_get_u32(info->attrs[NL802154_ATTR_SEC_OUT_LEVEL]);
1764 if (params.out_level > NL802154_SECLEVEL_MAX)
1765 return -EINVAL;
1766
1767 changed |= IEEE802154_LLSEC_PARAM_OUT_LEVEL;
1768 }
1769
1770 if (info->attrs[NL802154_ATTR_SEC_FRAME_COUNTER]) {
1771 params.frame_counter = nla_get_be32(info->attrs[NL802154_ATTR_SEC_FRAME_COUNTER]);
1772 changed |= IEEE802154_LLSEC_PARAM_FRAME_COUNTER;
1773 }
1774
1775 return rdev_set_llsec_params(rdev, wpan_dev, &params, changed);
1776}
1777
1778static int nl802154_send_key(struct sk_buff *msg, u32 cmd, u32 portid,
1779 u32 seq, int flags,
1780 struct cfg802154_registered_device *rdev,
1781 struct net_device *dev,
1782 const struct ieee802154_llsec_key_entry *key)
1783{
1784 void *hdr;
1785 u32 commands[NL802154_CMD_FRAME_NR_IDS / 32];
1786 struct nlattr *nl_key, *nl_key_id;
1787
1788 hdr = nl802154hdr_put(msg, portid, seq, flags, cmd);
1789 if (!hdr)
79c37ca7 1790 return -ENOBUFS;
a26c5fd7
AA		 1791
1792 if (nla_put_u32(msg, NL802154_ATTR_IFINDEX, dev->ifindex))
1793 goto nla_put_failure;
1794
ae0be8de 1795 nl_key = nla_nest_start_noflag(msg, NL802154_ATTR_SEC_KEY);
a26c5fd7
AA		 1796 if (!nl_key)
1797 goto nla_put_failure;
1798
ae0be8de 1799 nl_key_id = nla_nest_start_noflag(msg, NL802154_KEY_ATTR_ID);
a26c5fd7
AA		 1800 if (!nl_key_id)
1801 goto nla_put_failure;
1802
1803 if (ieee802154_llsec_send_key_id(msg, &key->id) < 0)
1804 goto nla_put_failure;
1805
1806 nla_nest_end(msg, nl_key_id);
1807
1808 if (nla_put_u8(msg, NL802154_KEY_ATTR_USAGE_FRAMES,
1809 key->key->frame_types))
1810 goto nla_put_failure;
1811
1812 if (key->key->frame_types & BIT(NL802154_FRAME_CMD)) {
1813 /* TODO for each nested */
1814 memset(commands, 0, sizeof(commands));
1815 commands[7] = key->key->cmd_frame_ids;
1816 if (nla_put(msg, NL802154_KEY_ATTR_USAGE_CMDS,
1817 sizeof(commands), commands))
1818 goto nla_put_failure;
1819 }
1820
1821 if (nla_put(msg, NL802154_KEY_ATTR_BYTES, NL802154_KEY_SIZE,
1822 key->key->key))
1823 goto nla_put_failure;
1824
1825 nla_nest_end(msg, nl_key);
1826 genlmsg_end(msg, hdr);
1827
1828 return 0;
1829
1830nla_put_failure:
1831 genlmsg_cancel(msg, hdr);
1832 return -EMSGSIZE;
1833}
1834
1835static int
1836nl802154_dump_llsec_key(struct sk_buff *skb, struct netlink_callback *cb)
1837{
1838 struct cfg802154_registered_device *rdev = NULL;
1839 struct ieee802154_llsec_key_entry *key;
1840 struct ieee802154_llsec_table *table;
1841 struct wpan_dev *wpan_dev;
1842 int err;
1843
1844 err = nl802154_prepare_wpan_dev_dump(skb, cb, &rdev, &wpan_dev);
1845 if (err)
1846 return err;
1847
fb3c5cdf
AA		 1848 if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR) {
1849 err = skb->len;
1850 goto out_err;
1851 }
1852
a26c5fd7
AA		 1853 if (!wpan_dev->netdev) {
1854 err = -EINVAL;
1855 goto out_err;
1856 }
1857
1858 rdev_lock_llsec_table(rdev, wpan_dev);
1859 rdev_get_llsec_table(rdev, wpan_dev, &table);
1860
1861 /* TODO make it like station dump */
1862 if (cb->args[2])
1863 goto out;
1864
1865 list_for_each_entry(key, &table->keys, list) {
1866 if (nl802154_send_key(skb, NL802154_CMD_NEW_SEC_KEY,
1867 NETLINK_CB(cb->skb).portid,
1868 cb->nlh->nlmsg_seq, NLM_F_MULTI,
1869 rdev, wpan_dev->netdev, key) < 0) {
1870 /* TODO */
1871 err = -EIO;
1872 rdev_unlock_llsec_table(rdev, wpan_dev);
1873 goto out_err;
79fe1a2a
AA		 1874 }
1875 }
1876
a26c5fd7
AA		 1877 cb->args[2] = 1;
1878
1879out:
1880 rdev_unlock_llsec_table(rdev, wpan_dev);
1881 err = skb->len;
1882out_err:
1883 nl802154_finish_wpan_dev_dump(rdev);
1884
1885 return err;
79fe1a2a
AA		 1886}
1887
a26c5fd7
AA		 1888static const struct nla_policy nl802154_key_policy[NL802154_KEY_ATTR_MAX + 1] = {
1889 [NL802154_KEY_ATTR_ID] = { NLA_NESTED },
1890 /* TODO handle it as for_each_nested and NLA_FLAG? */
1891 [NL802154_KEY_ATTR_USAGE_FRAMES] = { NLA_U8 },
1892 /* TODO handle it as for_each_nested, not static array? */
1893 [NL802154_KEY_ATTR_USAGE_CMDS] = { .len = NL802154_CMD_FRAME_NR_IDS / 8 },
1894 [NL802154_KEY_ATTR_BYTES] = { .len = NL802154_KEY_SIZE },
1895};
1896
1897static int nl802154_add_llsec_key(struct sk_buff *skb, struct genl_info *info)
1898{
1899 struct cfg802154_registered_device *rdev = info->user_ptr[0];
1900 struct net_device *dev = info->user_ptr[1];
1901 struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
1902 struct nlattr *attrs[NL802154_KEY_ATTR_MAX + 1];
1903 struct ieee802154_llsec_key key = { };
1904 struct ieee802154_llsec_key_id id = { };
1905 u32 commands[NL802154_CMD_FRAME_NR_IDS / 32] = { };
1906
08470c54
AA		 1907 if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
1908 return -EOPNOTSUPP;
1909
20d5fe2d
AA		 1910 if (!info->attrs[NL802154_ATTR_SEC_KEY] ||
1911 nla_parse_nested_deprecated(attrs, NL802154_KEY_ATTR_MAX, info->attrs[NL802154_ATTR_SEC_KEY], nl802154_key_policy, info->extack))
a26c5fd7
AA		 1912 return -EINVAL;
1913
1914 if (!attrs[NL802154_KEY_ATTR_USAGE_FRAMES] ||
1915 !attrs[NL802154_KEY_ATTR_BYTES])
aa655562 1916 return -EINVAL;
a26c5fd7
AA		 1917
1918 if (ieee802154_llsec_parse_key_id(attrs[NL802154_KEY_ATTR_ID], &id) < 0)
1919 return -ENOBUFS;
1920
1921 key.frame_types = nla_get_u8(attrs[NL802154_KEY_ATTR_USAGE_FRAMES]);
1922 if (key.frame_types > BIT(NL802154_FRAME_MAX) ||
1923 ((key.frame_types & BIT(NL802154_FRAME_CMD)) &&
1924 !attrs[NL802154_KEY_ATTR_USAGE_CMDS]))
1925 return -EINVAL;
1926
1927 if (attrs[NL802154_KEY_ATTR_USAGE_CMDS]) {
1928 /* TODO for each nested */
1929 nla_memcpy(commands, attrs[NL802154_KEY_ATTR_USAGE_CMDS],
1930 NL802154_CMD_FRAME_NR_IDS / 8);
1931
1932 /* TODO understand the -EINVAL logic here? last condition */
1933 if (commands[0] || commands[1] || commands[2] || commands[3] ||
1934 commands[4] || commands[5] || commands[6] ||
1935 commands[7] > BIT(NL802154_CMD_FRAME_MAX))
1936 return -EINVAL;
1937
1938 key.cmd_frame_ids = commands[7];
1939 } else {
1940 key.cmd_frame_ids = 0;
1941 }
1942
1943 nla_memcpy(key.key, attrs[NL802154_KEY_ATTR_BYTES], NL802154_KEY_SIZE);
1944
1945 if (ieee802154_llsec_parse_key_id(attrs[NL802154_KEY_ATTR_ID], &id) < 0)
1946 return -ENOBUFS;
1947
1948 return rdev_add_llsec_key(rdev, wpan_dev, &id, &key);
1949}
1950
1951static int nl802154_del_llsec_key(struct sk_buff *skb, struct genl_info *info)
1952{
1953 struct cfg802154_registered_device *rdev = info->user_ptr[0];
1954 struct net_device *dev = info->user_ptr[1];
1955 struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
1956 struct nlattr *attrs[NL802154_KEY_ATTR_MAX + 1];
1957 struct ieee802154_llsec_key_id id;
1958
b6e29495
AA		 1959 if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
1960 return -EOPNOTSUPP;
1961
37feaaf5
AA		 1962 if (!info->attrs[NL802154_ATTR_SEC_KEY] ||
1963 nla_parse_nested_deprecated(attrs, NL802154_KEY_ATTR_MAX, info->attrs[NL802154_ATTR_SEC_KEY], nl802154_key_policy, info->extack))
a26c5fd7
AA		 1964 return -EINVAL;
1965
1966 if (ieee802154_llsec_parse_key_id(attrs[NL802154_KEY_ATTR_ID], &id) < 0)
1967 return -ENOBUFS;
1968
1969 return rdev_del_llsec_key(rdev, wpan_dev, &id);
1970}
1971
1972static int nl802154_send_device(struct sk_buff *msg, u32 cmd, u32 portid,
1973 u32 seq, int flags,
1974 struct cfg802154_registered_device *rdev,
1975 struct net_device *dev,
1976 const struct ieee802154_llsec_device *dev_desc)
1977{
1978 void *hdr;
1979 struct nlattr *nl_device;
1980
1981 hdr = nl802154hdr_put(msg, portid, seq, flags, cmd);
1982 if (!hdr)
79c37ca7 1983 return -ENOBUFS;
a26c5fd7
AA		 1984
1985 if (nla_put_u32(msg, NL802154_ATTR_IFINDEX, dev->ifindex))
1986 goto nla_put_failure;
1987
ae0be8de 1988 nl_device = nla_nest_start_noflag(msg, NL802154_ATTR_SEC_DEVICE);
a26c5fd7
AA		 1989 if (!nl_device)
1990 goto nla_put_failure;
1991
1992 if (nla_put_u32(msg, NL802154_DEV_ATTR_FRAME_COUNTER,
1993 dev_desc->frame_counter) ||
1994 nla_put_le16(msg, NL802154_DEV_ATTR_PAN_ID, dev_desc->pan_id) ||
1995 nla_put_le16(msg, NL802154_DEV_ATTR_SHORT_ADDR,
1996 dev_desc->short_addr) ||
1997 nla_put_le64(msg, NL802154_DEV_ATTR_EXTENDED_ADDR,
e7479122 1998 dev_desc->hwaddr, NL802154_DEV_ATTR_PAD) ||
a26c5fd7
AA		 1999 nla_put_u8(msg, NL802154_DEV_ATTR_SECLEVEL_EXEMPT,
2000 dev_desc->seclevel_exempt) ||
2001 nla_put_u32(msg, NL802154_DEV_ATTR_KEY_MODE, dev_desc->key_mode))
2002 goto nla_put_failure;
2003
2004 nla_nest_end(msg, nl_device);
2005 genlmsg_end(msg, hdr);
2006
2007 return 0;
2008
2009nla_put_failure:
2010 genlmsg_cancel(msg, hdr);
2011 return -EMSGSIZE;
2012}
2013
2014static int
2015nl802154_dump_llsec_dev(struct sk_buff *skb, struct netlink_callback *cb)
2016{
2017 struct cfg802154_registered_device *rdev = NULL;
2018 struct ieee802154_llsec_device *dev;
2019 struct ieee802154_llsec_table *table;
2020 struct wpan_dev *wpan_dev;
2021 int err;
2022
2023 err = nl802154_prepare_wpan_dev_dump(skb, cb, &rdev, &wpan_dev);
2024 if (err)
2025 return err;
2026
5582d641
AA		 2027 if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR) {
2028 err = skb->len;
2029 goto out_err;
2030 }
2031
a26c5fd7
AA		 2032 if (!wpan_dev->netdev) {
2033 err = -EINVAL;
2034 goto out_err;
2035 }
2036
2037 rdev_lock_llsec_table(rdev, wpan_dev);
2038 rdev_get_llsec_table(rdev, wpan_dev, &table);
2039
2040 /* TODO make it like station dump */
2041 if (cb->args[2])
2042 goto out;
2043
2044 list_for_each_entry(dev, &table->devices, list) {
2045 if (nl802154_send_device(skb, NL802154_CMD_NEW_SEC_LEVEL,
2046 NETLINK_CB(cb->skb).portid,
2047 cb->nlh->nlmsg_seq, NLM_F_MULTI,
2048 rdev, wpan_dev->netdev, dev) < 0) {
2049 /* TODO */
2050 err = -EIO;
2051 rdev_unlock_llsec_table(rdev, wpan_dev);
2052 goto out_err;
2053 }
2054 }
2055
2056 cb->args[2] = 1;
2057
2058out:
2059 rdev_unlock_llsec_table(rdev, wpan_dev);
2060 err = skb->len;
2061out_err:
2062 nl802154_finish_wpan_dev_dump(rdev);
2063
2064 return err;
2065}
2066
2067static const struct nla_policy nl802154_dev_policy[NL802154_DEV_ATTR_MAX + 1] = {
2068 [NL802154_DEV_ATTR_FRAME_COUNTER] = { NLA_U32 },
2069 [NL802154_DEV_ATTR_PAN_ID] = { .type = NLA_U16 },
2070 [NL802154_DEV_ATTR_SHORT_ADDR] = { .type = NLA_U16 },
2071 [NL802154_DEV_ATTR_EXTENDED_ADDR] = { .type = NLA_U64 },
2072 [NL802154_DEV_ATTR_SECLEVEL_EXEMPT] = { NLA_U8 },
2073 [NL802154_DEV_ATTR_KEY_MODE] = { NLA_U32 },
2074};
2075
2076static int
2077ieee802154_llsec_parse_device(struct nlattr *nla,
2078 struct ieee802154_llsec_device *dev)
2079{
2080 struct nlattr *attrs[NL802154_DEV_ATTR_MAX + 1];
2081
8cb08174 2082 if (!nla || nla_parse_nested_deprecated(attrs, NL802154_DEV_ATTR_MAX, nla, nl802154_dev_policy, NULL))
a26c5fd7
AA		 2083 return -EINVAL;
2084
2085 memset(dev, 0, sizeof(*dev));
2086
2087 if (!attrs[NL802154_DEV_ATTR_FRAME_COUNTER] ||
2088 !attrs[NL802154_DEV_ATTR_PAN_ID] ||
2089 !attrs[NL802154_DEV_ATTR_SHORT_ADDR] ||
2090 !attrs[NL802154_DEV_ATTR_EXTENDED_ADDR] ||
2091 !attrs[NL802154_DEV_ATTR_SECLEVEL_EXEMPT] ||
2092 !attrs[NL802154_DEV_ATTR_KEY_MODE])
2093 return -EINVAL;
2094
2095 /* TODO be32 */
2096 dev->frame_counter = nla_get_u32(attrs[NL802154_DEV_ATTR_FRAME_COUNTER]);
2097 dev->pan_id = nla_get_le16(attrs[NL802154_DEV_ATTR_PAN_ID]);
2098 dev->short_addr = nla_get_le16(attrs[NL802154_DEV_ATTR_SHORT_ADDR]);
2099 /* TODO rename hwaddr to extended_addr */
2100 dev->hwaddr = nla_get_le64(attrs[NL802154_DEV_ATTR_EXTENDED_ADDR]);
2101 dev->seclevel_exempt = nla_get_u8(attrs[NL802154_DEV_ATTR_SECLEVEL_EXEMPT]);
2102 dev->key_mode = nla_get_u32(attrs[NL802154_DEV_ATTR_KEY_MODE]);
2103
2104 if (dev->key_mode > NL802154_DEVKEY_MAX ||
2105 (dev->seclevel_exempt != 0 && dev->seclevel_exempt != 1))
2106 return -EINVAL;
2107
2108 return 0;
2109}
2110
2111static int nl802154_add_llsec_dev(struct sk_buff *skb, struct genl_info *info)
2112{
2113 struct cfg802154_registered_device *rdev = info->user_ptr[0];
2114 struct net_device *dev = info->user_ptr[1];
2115 struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
2116 struct ieee802154_llsec_device dev_desc;
2117
5303f956
AA		 2118 if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
2119 return -EOPNOTSUPP;
2120
a26c5fd7
AA		 2121 if (ieee802154_llsec_parse_device(info->attrs[NL802154_ATTR_SEC_DEVICE],
2122 &dev_desc) < 0)
2123 return -EINVAL;
2124
2125 return rdev_add_device(rdev, wpan_dev, &dev_desc);
2126}
2127
2128static int nl802154_del_llsec_dev(struct sk_buff *skb, struct genl_info *info)
2129{
2130 struct cfg802154_registered_device *rdev = info->user_ptr[0];
2131 struct net_device *dev = info->user_ptr[1];
2132 struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
2133 struct nlattr *attrs[NL802154_DEV_ATTR_MAX + 1];
2134 __le64 extended_addr;
2135
ad8f9de1
AA		 2136 if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
2137 return -EOPNOTSUPP;
2138
3d1eac2f
AA		 2139 if (!info->attrs[NL802154_ATTR_SEC_DEVICE] ||
2140 nla_parse_nested_deprecated(attrs, NL802154_DEV_ATTR_MAX, info->attrs[NL802154_ATTR_SEC_DEVICE], nl802154_dev_policy, info->extack))
a26c5fd7
AA		 2141 return -EINVAL;
2142
2143 if (!attrs[NL802154_DEV_ATTR_EXTENDED_ADDR])
2144 return -EINVAL;
2145
2146 extended_addr = nla_get_le64(attrs[NL802154_DEV_ATTR_EXTENDED_ADDR]);
2147 return rdev_del_device(rdev, wpan_dev, extended_addr);
2148}
2149
2150static int nl802154_send_devkey(struct sk_buff *msg, u32 cmd, u32 portid,
2151 u32 seq, int flags,
2152 struct cfg802154_registered_device *rdev,
2153 struct net_device *dev, __le64 extended_addr,
2154 const struct ieee802154_llsec_device_key *devkey)
2155{
2156 void *hdr;
2157 struct nlattr *nl_devkey, *nl_key_id;
2158
2159 hdr = nl802154hdr_put(msg, portid, seq, flags, cmd);
2160 if (!hdr)
79c37ca7 2161 return -ENOBUFS;
a26c5fd7
AA		 2162
2163 if (nla_put_u32(msg, NL802154_ATTR_IFINDEX, dev->ifindex))
2164 goto nla_put_failure;
2165
ae0be8de 2166 nl_devkey = nla_nest_start_noflag(msg, NL802154_ATTR_SEC_DEVKEY);
a26c5fd7
AA		 2167 if (!nl_devkey)
2168 goto nla_put_failure;
2169
2170 if (nla_put_le64(msg, NL802154_DEVKEY_ATTR_EXTENDED_ADDR,
e7479122 2171 extended_addr, NL802154_DEVKEY_ATTR_PAD) ||
a26c5fd7
AA		 2172 nla_put_u32(msg, NL802154_DEVKEY_ATTR_FRAME_COUNTER,
2173 devkey->frame_counter))
2174 goto nla_put_failure;
2175
ae0be8de 2176 nl_key_id = nla_nest_start_noflag(msg, NL802154_DEVKEY_ATTR_ID);
a26c5fd7
AA		 2177 if (!nl_key_id)
2178 goto nla_put_failure;
2179
2180 if (ieee802154_llsec_send_key_id(msg, &devkey->key_id) < 0)
2181 goto nla_put_failure;
2182
2183 nla_nest_end(msg, nl_key_id);
2184 nla_nest_end(msg, nl_devkey);
2185 genlmsg_end(msg, hdr);
2186
2187 return 0;
2188
2189nla_put_failure:
2190 genlmsg_cancel(msg, hdr);
2191 return -EMSGSIZE;
2192}
2193
2194static int
2195nl802154_dump_llsec_devkey(struct sk_buff *skb, struct netlink_callback *cb)
2196{
2197 struct cfg802154_registered_device *rdev = NULL;
2198 struct ieee802154_llsec_device_key *kpos;
2199 struct ieee802154_llsec_device *dpos;
2200 struct ieee802154_llsec_table *table;
2201 struct wpan_dev *wpan_dev;
2202 int err;
2203
2204 err = nl802154_prepare_wpan_dev_dump(skb, cb, &rdev, &wpan_dev);
2205 if (err)
2206 return err;
2207
080d1a57
AA		 2208 if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR) {
2209 err = skb->len;
2210 goto out_err;
2211 }
2212
a26c5fd7
AA		 2213 if (!wpan_dev->netdev) {
2214 err = -EINVAL;
2215 goto out_err;
2216 }
2217
2218 rdev_lock_llsec_table(rdev, wpan_dev);
2219 rdev_get_llsec_table(rdev, wpan_dev, &table);
2220
2221 /* TODO make it like station dump */
2222 if (cb->args[2])
2223 goto out;
2224
2225 /* TODO look if remove devkey and do some nested attribute */
2226 list_for_each_entry(dpos, &table->devices, list) {
2227 list_for_each_entry(kpos, &dpos->keys, list) {
2228 if (nl802154_send_devkey(skb,
2229 NL802154_CMD_NEW_SEC_LEVEL,
2230 NETLINK_CB(cb->skb).portid,
2231 cb->nlh->nlmsg_seq,
2232 NLM_F_MULTI, rdev,
2233 wpan_dev->netdev,
2234 dpos->hwaddr,
2235 kpos) < 0) {
2236 /* TODO */
2237 err = -EIO;
2238 rdev_unlock_llsec_table(rdev, wpan_dev);
2239 goto out_err;
2240 }
2241 }
2242 }
2243
2244 cb->args[2] = 1;
2245
2246out:
2247 rdev_unlock_llsec_table(rdev, wpan_dev);
2248 err = skb->len;
2249out_err:
2250 nl802154_finish_wpan_dev_dump(rdev);
2251
2252 return err;
2253}
2254
2255static const struct nla_policy nl802154_devkey_policy[NL802154_DEVKEY_ATTR_MAX + 1] = {
2256 [NL802154_DEVKEY_ATTR_FRAME_COUNTER] = { NLA_U32 },
2257 [NL802154_DEVKEY_ATTR_EXTENDED_ADDR] = { NLA_U64 },
2258 [NL802154_DEVKEY_ATTR_ID] = { NLA_NESTED },
2259};
2260
2261static int nl802154_add_llsec_devkey(struct sk_buff *skb, struct genl_info *info)
2262{
2263 struct cfg802154_registered_device *rdev = info->user_ptr[0];
2264 struct net_device *dev = info->user_ptr[1];
2265 struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
2266 struct nlattr *attrs[NL802154_DEVKEY_ATTR_MAX + 1];
2267 struct ieee802154_llsec_device_key key;
2268 __le64 extended_addr;
2269
a347b3b3
AA		 2270 if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
2271 return -EOPNOTSUPP;
2272
a26c5fd7 2273 if (!info->attrs[NL802154_ATTR_SEC_DEVKEY] ||
8cb08174 2274 nla_parse_nested_deprecated(attrs, NL802154_DEVKEY_ATTR_MAX, info->attrs[NL802154_ATTR_SEC_DEVKEY], nl802154_devkey_policy, info->extack) < 0)
a26c5fd7
AA		 2275 return -EINVAL;
2276
2277 if (!attrs[NL802154_DEVKEY_ATTR_FRAME_COUNTER] ||
2278 !attrs[NL802154_DEVKEY_ATTR_EXTENDED_ADDR])
2279 return -EINVAL;
2280
2281 /* TODO change key.id ? */
2282 if (ieee802154_llsec_parse_key_id(attrs[NL802154_DEVKEY_ATTR_ID],
2283 &key.key_id) < 0)
2284 return -ENOBUFS;
2285
2286 /* TODO be32 */
2287 key.frame_counter = nla_get_u32(attrs[NL802154_DEVKEY_ATTR_FRAME_COUNTER]);
2288 /* TODO change naming hwaddr -> extended_addr
2289 * check unique identifier short+pan OR extended_addr
2290 */
2291 extended_addr = nla_get_le64(attrs[NL802154_DEVKEY_ATTR_EXTENDED_ADDR]);
2292 return rdev_add_devkey(rdev, wpan_dev, extended_addr, &key);
2293}
2294
2295static int nl802154_del_llsec_devkey(struct sk_buff *skb, struct genl_info *info)
2296{
2297 struct cfg802154_registered_device *rdev = info->user_ptr[0];
2298 struct net_device *dev = info->user_ptr[1];
2299 struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
2300 struct nlattr *attrs[NL802154_DEVKEY_ATTR_MAX + 1];
2301 struct ieee802154_llsec_device_key key;
2302 __le64 extended_addr;
2303
6fb80453
AA		 2304 if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
2305 return -EOPNOTSUPP;
2306
27c74686
AA		 2307 if (!info->attrs[NL802154_ATTR_SEC_DEVKEY] ||
2308 nla_parse_nested_deprecated(attrs, NL802154_DEVKEY_ATTR_MAX, info->attrs[NL802154_ATTR_SEC_DEVKEY], nl802154_devkey_policy, info->extack))
a26c5fd7
AA		 2309 return -EINVAL;
2310
2311 if (!attrs[NL802154_DEVKEY_ATTR_EXTENDED_ADDR])
2312 return -EINVAL;
2313
2314 /* TODO change key.id ? */
2315 if (ieee802154_llsec_parse_key_id(attrs[NL802154_DEVKEY_ATTR_ID],
2316 &key.key_id) < 0)
2317 return -ENOBUFS;
2318
2319 /* TODO change naming hwaddr -> extended_addr
2320 * check unique identifier short+pan OR extended_addr
2321 */
2322 extended_addr = nla_get_le64(attrs[NL802154_DEVKEY_ATTR_EXTENDED_ADDR]);
2323 return rdev_del_devkey(rdev, wpan_dev, extended_addr, &key);
2324}
2325
2326static int nl802154_send_seclevel(struct sk_buff *msg, u32 cmd, u32 portid,
2327 u32 seq, int flags,
2328 struct cfg802154_registered_device *rdev,
2329 struct net_device *dev,
2330 const struct ieee802154_llsec_seclevel *sl)
2331{
2332 void *hdr;
2333 struct nlattr *nl_seclevel;
2334
2335 hdr = nl802154hdr_put(msg, portid, seq, flags, cmd);
2336 if (!hdr)
79c37ca7 2337 return -ENOBUFS;
a26c5fd7
AA		 2338
2339 if (nla_put_u32(msg, NL802154_ATTR_IFINDEX, dev->ifindex))
2340 goto nla_put_failure;
2341
ae0be8de 2342 nl_seclevel = nla_nest_start_noflag(msg, NL802154_ATTR_SEC_LEVEL);
a26c5fd7
AA		 2343 if (!nl_seclevel)
2344 goto nla_put_failure;
2345
2346 if (nla_put_u32(msg, NL802154_SECLEVEL_ATTR_FRAME, sl->frame_type) ||
2347 nla_put_u32(msg, NL802154_SECLEVEL_ATTR_LEVELS, sl->sec_levels) ||
2348 nla_put_u8(msg, NL802154_SECLEVEL_ATTR_DEV_OVERRIDE,
2349 sl->device_override))
2350 goto nla_put_failure;
2351
2352 if (sl->frame_type == NL802154_FRAME_CMD) {
2353 if (nla_put_u32(msg, NL802154_SECLEVEL_ATTR_CMD_FRAME,
2354 sl->cmd_frame_id))
2355 goto nla_put_failure;
2356 }
2357
2358 nla_nest_end(msg, nl_seclevel);
2359 genlmsg_end(msg, hdr);
2360
2361 return 0;
2362
2363nla_put_failure:
2364 genlmsg_cancel(msg, hdr);
2365 return -EMSGSIZE;
2366}
2367
2368static int
2369nl802154_dump_llsec_seclevel(struct sk_buff *skb, struct netlink_callback *cb)
2370{
2371 struct cfg802154_registered_device *rdev = NULL;
2372 struct ieee802154_llsec_seclevel *sl;
2373 struct ieee802154_llsec_table *table;
2374 struct wpan_dev *wpan_dev;
2375 int err;
2376
2377 err = nl802154_prepare_wpan_dev_dump(skb, cb, &rdev, &wpan_dev);
2378 if (err)
2379 return err;
2380
4c9b4f55
AA		 2381 if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR) {
2382 err = skb->len;
2383 goto out_err;
2384 }
2385
a26c5fd7
AA		 2386 if (!wpan_dev->netdev) {
2387 err = -EINVAL;
2388 goto out_err;
2389 }
2390
2391 rdev_lock_llsec_table(rdev, wpan_dev);
2392 rdev_get_llsec_table(rdev, wpan_dev, &table);
2393
2394 /* TODO make it like station dump */
2395 if (cb->args[2])
2396 goto out;
2397
2398 list_for_each_entry(sl, &table->security_levels, list) {
2399 if (nl802154_send_seclevel(skb, NL802154_CMD_NEW_SEC_LEVEL,
2400 NETLINK_CB(cb->skb).portid,
2401 cb->nlh->nlmsg_seq, NLM_F_MULTI,
2402 rdev, wpan_dev->netdev, sl) < 0) {
2403 /* TODO */
2404 err = -EIO;
2405 rdev_unlock_llsec_table(rdev, wpan_dev);
2406 goto out_err;
2407 }
2408 }
2409
2410 cb->args[2] = 1;
2411
2412out:
2413 rdev_unlock_llsec_table(rdev, wpan_dev);
2414 err = skb->len;
2415out_err:
2416 nl802154_finish_wpan_dev_dump(rdev);
2417
2418 return err;
2419}
2420
2421static const struct nla_policy nl802154_seclevel_policy[NL802154_SECLEVEL_ATTR_MAX + 1] = {
2422 [NL802154_SECLEVEL_ATTR_LEVELS] = { .type = NLA_U8 },
2423 [NL802154_SECLEVEL_ATTR_FRAME] = { .type = NLA_U32 },
2424 [NL802154_SECLEVEL_ATTR_CMD_FRAME] = { .type = NLA_U32 },
2425 [NL802154_SECLEVEL_ATTR_DEV_OVERRIDE] = { .type = NLA_U8 },
2426};
2427
2428static int
2429llsec_parse_seclevel(struct nlattr *nla, struct ieee802154_llsec_seclevel *sl)
2430{
2431 struct nlattr *attrs[NL802154_SECLEVEL_ATTR_MAX + 1];
2432
8cb08174 2433 if (!nla || nla_parse_nested_deprecated(attrs, NL802154_SECLEVEL_ATTR_MAX, nla, nl802154_seclevel_policy, NULL))
a26c5fd7
AA		 2434 return -EINVAL;
2435
2436 memset(sl, 0, sizeof(*sl));
2437
2438 if (!attrs[NL802154_SECLEVEL_ATTR_LEVELS] ||
2439 !attrs[NL802154_SECLEVEL_ATTR_FRAME] ||
2440 !attrs[NL802154_SECLEVEL_ATTR_DEV_OVERRIDE])
2441 return -EINVAL;
2442
2443 sl->sec_levels = nla_get_u8(attrs[NL802154_SECLEVEL_ATTR_LEVELS]);
2444 sl->frame_type = nla_get_u32(attrs[NL802154_SECLEVEL_ATTR_FRAME]);
2445 sl->device_override = nla_get_u8(attrs[NL802154_SECLEVEL_ATTR_DEV_OVERRIDE]);
2446 if (sl->frame_type > NL802154_FRAME_MAX ||
2447 (sl->device_override != 0 && sl->device_override != 1))
2448 return -EINVAL;
2449
2450 if (sl->frame_type == NL802154_FRAME_CMD) {
2451 if (!attrs[NL802154_SECLEVEL_ATTR_CMD_FRAME])
2452 return -EINVAL;
2453
2454 sl->cmd_frame_id = nla_get_u32(attrs[NL802154_SECLEVEL_ATTR_CMD_FRAME]);
2455 if (sl->cmd_frame_id > NL802154_CMD_FRAME_MAX)
2456 return -EINVAL;
2457 }
2458
2459 return 0;
2460}
2461
2462static int nl802154_add_llsec_seclevel(struct sk_buff *skb,
2463 struct genl_info *info)
2464{
2465 struct cfg802154_registered_device *rdev = info->user_ptr[0];
2466 struct net_device *dev = info->user_ptr[1];
2467 struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
2468 struct ieee802154_llsec_seclevel sl;
2469
9ec87e32
AA		 2470 if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
2471 return -EOPNOTSUPP;
2472
a26c5fd7
AA		 2473 if (llsec_parse_seclevel(info->attrs[NL802154_ATTR_SEC_LEVEL],
2474 &sl) < 0)
2475 return -EINVAL;
2476
2477 return rdev_add_seclevel(rdev, wpan_dev, &sl);
2478}
2479
2480static int nl802154_del_llsec_seclevel(struct sk_buff *skb,
2481 struct genl_info *info)
2482{
2483 struct cfg802154_registered_device *rdev = info->user_ptr[0];
2484 struct net_device *dev = info->user_ptr[1];
2485 struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
2486 struct ieee802154_llsec_seclevel sl;
2487
9dde1309
AA		 2488 if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
2489 return -EOPNOTSUPP;
2490
a26c5fd7
AA		 2491 if (!info->attrs[NL802154_ATTR_SEC_LEVEL] ||
2492 llsec_parse_seclevel(info->attrs[NL802154_ATTR_SEC_LEVEL],
2493 &sl) < 0)
2494 return -EINVAL;
2495
2496 return rdev_del_seclevel(rdev, wpan_dev, &sl);
2497}
2498#endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */
2499
2500#define NL802154_FLAG_NEED_WPAN_PHY 0x01
2501#define NL802154_FLAG_NEED_NETDEV 0x02
2502#define NL802154_FLAG_NEED_RTNL 0x04
2503#define NL802154_FLAG_CHECK_NETDEV_UP 0x08
a26c5fd7 2504#define NL802154_FLAG_NEED_WPAN_DEV 0x10
a26c5fd7 2505
20b0b53a
JK		 2506static int nl802154_pre_doit(const struct genl_split_ops *ops,
2507 struct sk_buff *skb,
a26c5fd7
AA		 2508 struct genl_info *info)
2509{
2510 struct cfg802154_registered_device *rdev;
2511 struct wpan_dev *wpan_dev;
2512 struct net_device *dev;
2513 bool rtnl = ops->internal_flags & NL802154_FLAG_NEED_RTNL;
2514
2515 if (rtnl)
2516 rtnl_lock();
2517
2518 if (ops->internal_flags & NL802154_FLAG_NEED_WPAN_PHY) {
2519 rdev = cfg802154_get_dev_from_info(genl_info_net(info), info);
2520 if (IS_ERR(rdev)) {
2521 if (rtnl)
2522 rtnl_unlock();
2523 return PTR_ERR(rdev);
2524 }
2525 info->user_ptr[0] = rdev;
2526 } else if (ops->internal_flags & NL802154_FLAG_NEED_NETDEV ||
2527 ops->internal_flags & NL802154_FLAG_NEED_WPAN_DEV) {
2528 ASSERT_RTNL();
2529 wpan_dev = __cfg802154_wpan_dev_from_attrs(genl_info_net(info),
2530 info->attrs);
2531 if (IS_ERR(wpan_dev)) {
2532 if (rtnl)
2533 rtnl_unlock();
2534 return PTR_ERR(wpan_dev);
2535 }
2536
2537 dev = wpan_dev->netdev;
2538 rdev = wpan_phy_to_rdev(wpan_dev->wpan_phy);
2539
2540 if (ops->internal_flags & NL802154_FLAG_NEED_NETDEV) {
2541 if (!dev) {
2542 if (rtnl)
2543 rtnl_unlock();
2544 return -EINVAL;
2545 }
2546
2547 info->user_ptr[1] = dev;
2548 } else {
2549 info->user_ptr[1] = wpan_dev;
2550 }
2551
2552 if (dev) {
2553 if (ops->internal_flags & NL802154_FLAG_CHECK_NETDEV_UP &&
2554 !netif_running(dev)) {
2555 if (rtnl)
2556 rtnl_unlock();
2557 return -ENETDOWN;
2558 }
2559
2560 dev_hold(dev);
2561 }
2562
2563 info->user_ptr[0] = rdev;
2564 }
2565
2566 return 0;
2567}
2568
20b0b53a
JK		 2569static void nl802154_post_doit(const struct genl_split_ops *ops,
2570 struct sk_buff *skb,
a26c5fd7
AA		 2571 struct genl_info *info)
2572{
2573 if (info->user_ptr[1]) {
2574 if (ops->internal_flags & NL802154_FLAG_NEED_WPAN_DEV) {
2575 struct wpan_dev *wpan_dev = info->user_ptr[1];
2576
1160dfa1 2577 dev_put(wpan_dev->netdev);
a26c5fd7
AA		 2578 } else {
2579 dev_put(info->user_ptr[1]);
2580 }
2581 }
2582
2583 if (ops->internal_flags & NL802154_FLAG_NEED_RTNL)
2584 rtnl_unlock();
2585}
2586
2587static const struct genl_ops nl802154_ops[] = {
2588 {
2589 .cmd = NL802154_CMD_GET_WPAN_PHY,
75cdbdd0
JP		 2590 .validate = GENL_DONT_VALIDATE_STRICT |
2591 GENL_DONT_VALIDATE_DUMP_STRICT,
a26c5fd7
AA		 2592 .doit = nl802154_get_wpan_phy,
2593 .dumpit = nl802154_dump_wpan_phy,
2594 .done = nl802154_dump_wpan_phy_done,
a26c5fd7
AA		 2595 /* can be retrieved by unprivileged users */
2596 .internal_flags = NL802154_FLAG_NEED_WPAN_PHY |
2597 NL802154_FLAG_NEED_RTNL,
2598 },
2599 {
2600 .cmd = NL802154_CMD_GET_INTERFACE,
ef6243ac 2601 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
a26c5fd7
AA		 2602 .doit = nl802154_get_interface,
2603 .dumpit = nl802154_dump_interface,
a26c5fd7
AA		 2604 /* can be retrieved by unprivileged users */
2605 .internal_flags = NL802154_FLAG_NEED_WPAN_DEV |
2606 NL802154_FLAG_NEED_RTNL,
2607 },
2608 {
2609 .cmd = NL802154_CMD_NEW_INTERFACE,
ef6243ac 2610 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
a26c5fd7 2611 .doit = nl802154_new_interface,
a26c5fd7
AA		 2612 .flags = GENL_ADMIN_PERM,
2613 .internal_flags = NL802154_FLAG_NEED_WPAN_PHY |
f3ea5e44
AA		 2614 NL802154_FLAG_NEED_RTNL,
2615 },
b821ecd4
AA		 2616 {
2617 .cmd = NL802154_CMD_DEL_INTERFACE,
ef6243ac 2618 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
b821ecd4 2619 .doit = nl802154_del_interface,
b821ecd4
AA		 2620 .flags = GENL_ADMIN_PERM,
2621 .internal_flags = NL802154_FLAG_NEED_WPAN_DEV |
2622 NL802154_FLAG_NEED_RTNL,
2623 },
ab0bd561
AA		 2624 {
2625 .cmd = NL802154_CMD_SET_CHANNEL,
ef6243ac 2626 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ab0bd561 2627 .doit = nl802154_set_channel,
ab0bd561
AA		 2628 .flags = GENL_ADMIN_PERM,
2629 .internal_flags = NL802154_FLAG_NEED_WPAN_PHY |
2630 NL802154_FLAG_NEED_RTNL,
2631 },
ba2a9506
AA		 2632 {
2633 .cmd = NL802154_CMD_SET_CCA_MODE,
ef6243ac 2634 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ba2a9506 2635 .doit = nl802154_set_cca_mode,
ba2a9506
AA		 2636 .flags = GENL_ADMIN_PERM,
2637 .internal_flags = NL802154_FLAG_NEED_WPAN_PHY |
2638 NL802154_FLAG_NEED_RTNL,
2639 },
b69644c1
AA		 2640 {
2641 .cmd = NL802154_CMD_SET_CCA_ED_LEVEL,
ef6243ac 2642 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
b69644c1 2643 .doit = nl802154_set_cca_ed_level,
b69644c1
AA		 2644 .flags = GENL_ADMIN_PERM,
2645 .internal_flags = NL802154_FLAG_NEED_WPAN_PHY |
2646 NL802154_FLAG_NEED_RTNL,
2647 },
0f999b09
VB		 2648 {
2649 .cmd = NL802154_CMD_SET_TX_POWER,
ef6243ac 2650 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
0f999b09 2651 .doit = nl802154_set_tx_power,
0f999b09 2652 .flags = GENL_ADMIN_PERM,
66e5c267
AA		 2653 .internal_flags = NL802154_FLAG_NEED_WPAN_PHY |
2654 NL802154_FLAG_NEED_RTNL,
2655 },
2656 {
2657 .cmd = NL802154_CMD_SET_WPAN_PHY_NETNS,
ef6243ac 2658 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
66e5c267 2659 .doit = nl802154_wpan_phy_netns,
66e5c267 2660 .flags = GENL_ADMIN_PERM,
0f999b09
VB		 2661 .internal_flags = NL802154_FLAG_NEED_WPAN_PHY |
2662 NL802154_FLAG_NEED_RTNL,
2663 },
702bf371
AA		 2664 {
2665 .cmd = NL802154_CMD_SET_PAN_ID,
ef6243ac 2666 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
702bf371 2667 .doit = nl802154_set_pan_id,
702bf371
AA		 2668 .flags = GENL_ADMIN_PERM,
2669 .internal_flags = NL802154_FLAG_NEED_NETDEV |
2670 NL802154_FLAG_NEED_RTNL,
2671 },
9830c62a
AA		 2672 {
2673 .cmd = NL802154_CMD_SET_SHORT_ADDR,
ef6243ac 2674 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
9830c62a 2675 .doit = nl802154_set_short_addr,
9830c62a
AA		 2676 .flags = GENL_ADMIN_PERM,
2677 .internal_flags = NL802154_FLAG_NEED_NETDEV |
2678 NL802154_FLAG_NEED_RTNL,
2679 },
656a999e
AA		 2680 {
2681 .cmd = NL802154_CMD_SET_BACKOFF_EXPONENT,
ef6243ac 2682 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
656a999e 2683 .doit = nl802154_set_backoff_exponent,
656a999e
AA		 2684 .flags = GENL_ADMIN_PERM,
2685 .internal_flags = NL802154_FLAG_NEED_NETDEV |
2686 NL802154_FLAG_NEED_RTNL,
2687 },
a01ba765
AA		 2688 {
2689 .cmd = NL802154_CMD_SET_MAX_CSMA_BACKOFFS,
ef6243ac 2690 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
a01ba765 2691 .doit = nl802154_set_max_csma_backoffs,
a01ba765
AA		 2692 .flags = GENL_ADMIN_PERM,
2693 .internal_flags = NL802154_FLAG_NEED_NETDEV |
2694 NL802154_FLAG_NEED_RTNL,
2695 },
17a3a46b
AA		 2696 {
2697 .cmd = NL802154_CMD_SET_MAX_FRAME_RETRIES,
ef6243ac 2698 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17a3a46b 2699 .doit = nl802154_set_max_frame_retries,
17a3a46b
AA		 2700 .flags = GENL_ADMIN_PERM,
2701 .internal_flags = NL802154_FLAG_NEED_NETDEV |
2702 NL802154_FLAG_NEED_RTNL,
2703 },
c8937a1d
AA		 2704 {
2705 .cmd = NL802154_CMD_SET_LBT_MODE,
ef6243ac 2706 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
c8937a1d 2707 .doit = nl802154_set_lbt_mode,
c8937a1d
AA		 2708 .flags = GENL_ADMIN_PERM,
2709 .internal_flags = NL802154_FLAG_NEED_NETDEV |
2710 NL802154_FLAG_NEED_RTNL,
2711 },
c91208d8
AA		 2712 {
2713 .cmd = NL802154_CMD_SET_ACKREQ_DEFAULT,
ef6243ac 2714 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
c91208d8 2715 .doit = nl802154_set_ackreq_default,
c91208d8
AA		 2716 .flags = GENL_ADMIN_PERM,
2717 .internal_flags = NL802154_FLAG_NEED_NETDEV |
2718 NL802154_FLAG_NEED_RTNL,
2719 },
ed3557c9
MR		 2720 {
2721 .cmd = NL802154_CMD_TRIGGER_SCAN,
2722 .doit = nl802154_trigger_scan,
2723 .flags = GENL_ADMIN_PERM,
2724 .internal_flags = NL802154_FLAG_NEED_NETDEV |
2725 NL802154_FLAG_CHECK_NETDEV_UP |
2726 NL802154_FLAG_NEED_RTNL,
2727 },
2728 {
2729 .cmd = NL802154_CMD_ABORT_SCAN,
2730 .doit = nl802154_abort_scan,
2731 .flags = GENL_ADMIN_PERM,
2732 .internal_flags = NL802154_FLAG_NEED_NETDEV |
2733 NL802154_FLAG_CHECK_NETDEV_UP |
2734 NL802154_FLAG_NEED_RTNL,
2735 },
9bc11450
MR		 2736 {
2737 .cmd = NL802154_CMD_SEND_BEACONS,
2738 .doit = nl802154_send_beacons,
2739 .flags = GENL_ADMIN_PERM,
2740 .internal_flags = NL802154_FLAG_NEED_NETDEV |
2741 NL802154_FLAG_CHECK_NETDEV_UP |
2742 NL802154_FLAG_NEED_RTNL,
2743 },
2744 {
2745 .cmd = NL802154_CMD_STOP_BEACONS,
2746 .doit = nl802154_stop_beacons,
2747 .flags = GENL_ADMIN_PERM,
2748 .internal_flags = NL802154_FLAG_NEED_NETDEV |
2749 NL802154_FLAG_CHECK_NETDEV_UP |
2750 NL802154_FLAG_NEED_RTNL,
2751 },
a26c5fd7
AA		 2752#ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL
2753 {
2754 .cmd = NL802154_CMD_SET_SEC_PARAMS,
ef6243ac 2755 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
a26c5fd7 2756 .doit = nl802154_set_llsec_params,
a26c5fd7
AA		 2757 .flags = GENL_ADMIN_PERM,
2758 .internal_flags = NL802154_FLAG_NEED_NETDEV |
2759 NL802154_FLAG_NEED_RTNL,
2760 },
2761 {
2762 .cmd = NL802154_CMD_GET_SEC_KEY,
75cdbdd0
JP		 2763 .validate = GENL_DONT_VALIDATE_STRICT |
2764 GENL_DONT_VALIDATE_DUMP_STRICT,
a26c5fd7
AA		 2765 /* TODO .doit by matching key id? */
2766 .dumpit = nl802154_dump_llsec_key,
a26c5fd7
AA		 2767 .flags = GENL_ADMIN_PERM,
2768 .internal_flags = NL802154_FLAG_NEED_NETDEV |
2769 NL802154_FLAG_NEED_RTNL,
2770 },
2771 {
2772 .cmd = NL802154_CMD_NEW_SEC_KEY,
ef6243ac 2773 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
a26c5fd7 2774 .doit = nl802154_add_llsec_key,
a26c5fd7
AA		 2775 .flags = GENL_ADMIN_PERM,
2776 .internal_flags = NL802154_FLAG_NEED_NETDEV |
2777 NL802154_FLAG_NEED_RTNL,
2778 },
2779 {
2780 .cmd = NL802154_CMD_DEL_SEC_KEY,
ef6243ac 2781 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
a26c5fd7 2782 .doit = nl802154_del_llsec_key,
a26c5fd7
AA		 2783 .flags = GENL_ADMIN_PERM,
2784 .internal_flags = NL802154_FLAG_NEED_NETDEV |
2785 NL802154_FLAG_NEED_RTNL,
2786 },
2787 /* TODO unique identifier must short+pan OR extended_addr */
2788 {
2789 .cmd = NL802154_CMD_GET_SEC_DEV,
75cdbdd0
JP		 2790 .validate = GENL_DONT_VALIDATE_STRICT |
2791 GENL_DONT_VALIDATE_DUMP_STRICT,
a26c5fd7
AA		 2792 /* TODO .doit by matching extended_addr? */
2793 .dumpit = nl802154_dump_llsec_dev,
a26c5fd7
AA		 2794 .flags = GENL_ADMIN_PERM,
2795 .internal_flags = NL802154_FLAG_NEED_NETDEV |
2796 NL802154_FLAG_NEED_RTNL,
2797 },
2798 {
2799 .cmd = NL802154_CMD_NEW_SEC_DEV,
ef6243ac 2800 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
a26c5fd7 2801 .doit = nl802154_add_llsec_dev,
a26c5fd7
AA		 2802 .flags = GENL_ADMIN_PERM,
2803 .internal_flags = NL802154_FLAG_NEED_NETDEV |
2804 NL802154_FLAG_NEED_RTNL,
2805 },
2806 {
2807 .cmd = NL802154_CMD_DEL_SEC_DEV,
ef6243ac 2808 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
a26c5fd7 2809 .doit = nl802154_del_llsec_dev,
a26c5fd7
AA		 2810 .flags = GENL_ADMIN_PERM,
2811 .internal_flags = NL802154_FLAG_NEED_NETDEV |
2812 NL802154_FLAG_NEED_RTNL,
2813 },
2814 /* TODO remove complete devkey, put it as nested? */
2815 {
2816 .cmd = NL802154_CMD_GET_SEC_DEVKEY,
75cdbdd0
JP		 2817 .validate = GENL_DONT_VALIDATE_STRICT |
2818 GENL_DONT_VALIDATE_DUMP_STRICT,
a26c5fd7
AA		 2819 /* TODO doit by matching ??? */
2820 .dumpit = nl802154_dump_llsec_devkey,
a26c5fd7
AA		 2821 .flags = GENL_ADMIN_PERM,
2822 .internal_flags = NL802154_FLAG_NEED_NETDEV |
2823 NL802154_FLAG_NEED_RTNL,
2824 },
2825 {
2826 .cmd = NL802154_CMD_NEW_SEC_DEVKEY,
ef6243ac 2827 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
a26c5fd7 2828 .doit = nl802154_add_llsec_devkey,
a26c5fd7
AA		 2829 .flags = GENL_ADMIN_PERM,
2830 .internal_flags = NL802154_FLAG_NEED_NETDEV |
2831 NL802154_FLAG_NEED_RTNL,
2832 },
2833 {
2834 .cmd = NL802154_CMD_DEL_SEC_DEVKEY,
ef6243ac 2835 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
a26c5fd7 2836 .doit = nl802154_del_llsec_devkey,
a26c5fd7
AA		 2837 .flags = GENL_ADMIN_PERM,
2838 .internal_flags = NL802154_FLAG_NEED_NETDEV |
2839 NL802154_FLAG_NEED_RTNL,
2840 },
2841 {
2842 .cmd = NL802154_CMD_GET_SEC_LEVEL,
75cdbdd0
JP		 2843 .validate = GENL_DONT_VALIDATE_STRICT |
2844 GENL_DONT_VALIDATE_DUMP_STRICT,
a26c5fd7
AA		 2845 /* TODO .doit by matching frame_type? */
2846 .dumpit = nl802154_dump_llsec_seclevel,
a26c5fd7
AA		 2847 .flags = GENL_ADMIN_PERM,
2848 .internal_flags = NL802154_FLAG_NEED_NETDEV |
2849 NL802154_FLAG_NEED_RTNL,
2850 },
2851 {
2852 .cmd = NL802154_CMD_NEW_SEC_LEVEL,
ef6243ac 2853 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
a26c5fd7 2854 .doit = nl802154_add_llsec_seclevel,
a26c5fd7
AA		 2855 .flags = GENL_ADMIN_PERM,
2856 .internal_flags = NL802154_FLAG_NEED_NETDEV |
2857 NL802154_FLAG_NEED_RTNL,
2858 },
2859 {
2860 .cmd = NL802154_CMD_DEL_SEC_LEVEL,
ef6243ac 2861 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
a26c5fd7
AA		 2862 /* TODO match frame_type only? */
2863 .doit = nl802154_del_llsec_seclevel,
a26c5fd7
AA		 2864 .flags = GENL_ADMIN_PERM,
2865 .internal_flags = NL802154_FLAG_NEED_NETDEV |
2866 NL802154_FLAG_NEED_RTNL,
2867 },
2868#endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */
79fe1a2a
AA		 2869};
2870
56989f6d 2871static struct genl_family nl802154_fam __ro_after_init = {
489111e5
JB		 2872 .name = NL802154_GENL_NAME, /* have users key off the name instead */
2873 .hdrsize = 0, /* no private header */
2874 .version = 1, /* no particular meaning now */
2875 .maxattr = NL802154_ATTR_MAX,
3b0f31f2 2876 .policy = nl802154_policy,
489111e5
JB		 2877 .netnsok = true,
2878 .pre_doit = nl802154_pre_doit,
2879 .post_doit = nl802154_post_doit,
2880 .module = THIS_MODULE,
2881 .ops = nl802154_ops,
2882 .n_ops = ARRAY_SIZE(nl802154_ops),
9c5d03d3 2883 .resv_start_op = NL802154_CMD_DEL_SEC_LEVEL + 1,
489111e5
JB		 2884 .mcgrps = nl802154_mcgrps,
2885 .n_mcgrps = ARRAY_SIZE(nl802154_mcgrps),
2886};
2887
79fe1a2a 2888/* initialisation/exit functions */
56989f6d 2889int __init nl802154_init(void)
79fe1a2a 2890{
489111e5 2891 return genl_register_family(&nl802154_fam);
79fe1a2a
AA		 2892}
2893
2894void nl802154_exit(void)
2895{
2896 genl_unregister_family(&nl802154_fam);
2897}
Linux 6.x block layer and io_uring tree(s)