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79fe1a2a AA |
1 | /* This program is free software; you can redistribute it and/or modify |
2 | * it under the terms of the GNU General Public License version 2 | |
3 | * as published by the Free Software Foundation. | |
4 | * | |
5 | * This program is distributed in the hope that it will be useful, | |
6 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
7 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
8 | * GNU General Public License for more details. | |
9 | * | |
10 | * Authors: | |
11 | * Alexander Aring <aar@pengutronix.de> | |
12 | * | |
13 | * Based on: net/wireless/nl80211.c | |
14 | */ | |
15 | ||
16 | #include <linux/rtnetlink.h> | |
17 | ||
18 | #include <net/cfg802154.h> | |
19 | #include <net/genetlink.h> | |
20 | #include <net/mac802154.h> | |
21 | #include <net/netlink.h> | |
22 | #include <net/nl802154.h> | |
23 | #include <net/sock.h> | |
24 | ||
25 | #include "nl802154.h" | |
ab0bd561 | 26 | #include "rdev-ops.h" |
79fe1a2a AA |
27 | #include "core.h" |
28 | ||
29 | static int nl802154_pre_doit(const struct genl_ops *ops, struct sk_buff *skb, | |
30 | struct genl_info *info); | |
31 | ||
32 | static void nl802154_post_doit(const struct genl_ops *ops, struct sk_buff *skb, | |
33 | struct genl_info *info); | |
34 | ||
35 | /* the netlink family */ | |
36 | static struct genl_family nl802154_fam = { | |
37 | .id = GENL_ID_GENERATE, /* don't bother with a hardcoded ID */ | |
38 | .name = NL802154_GENL_NAME, /* have users key off the name instead */ | |
39 | .hdrsize = 0, /* no private header */ | |
40 | .version = 1, /* no particular meaning now */ | |
41 | .maxattr = NL802154_ATTR_MAX, | |
42 | .netnsok = true, | |
43 | .pre_doit = nl802154_pre_doit, | |
44 | .post_doit = nl802154_post_doit, | |
45 | }; | |
46 | ||
47 | /* multicast groups */ | |
48 | enum nl802154_multicast_groups { | |
49 | NL802154_MCGRP_CONFIG, | |
50 | }; | |
51 | ||
52 | static const struct genl_multicast_group nl802154_mcgrps[] = { | |
53 | [NL802154_MCGRP_CONFIG] = { .name = "config", }, | |
54 | }; | |
55 | ||
56 | /* returns ERR_PTR values */ | |
57 | static struct wpan_dev * | |
58 | __cfg802154_wpan_dev_from_attrs(struct net *netns, struct nlattr **attrs) | |
59 | { | |
60 | struct cfg802154_registered_device *rdev; | |
61 | struct wpan_dev *result = NULL; | |
62 | bool have_ifidx = attrs[NL802154_ATTR_IFINDEX]; | |
63 | bool have_wpan_dev_id = attrs[NL802154_ATTR_WPAN_DEV]; | |
64 | u64 wpan_dev_id; | |
65 | int wpan_phy_idx = -1; | |
66 | int ifidx = -1; | |
67 | ||
68 | ASSERT_RTNL(); | |
69 | ||
70 | if (!have_ifidx && !have_wpan_dev_id) | |
71 | return ERR_PTR(-EINVAL); | |
72 | ||
73 | if (have_ifidx) | |
74 | ifidx = nla_get_u32(attrs[NL802154_ATTR_IFINDEX]); | |
75 | if (have_wpan_dev_id) { | |
76 | wpan_dev_id = nla_get_u64(attrs[NL802154_ATTR_WPAN_DEV]); | |
77 | wpan_phy_idx = wpan_dev_id >> 32; | |
78 | } | |
79 | ||
80 | list_for_each_entry(rdev, &cfg802154_rdev_list, list) { | |
81 | struct wpan_dev *wpan_dev; | |
82 | ||
83 | /* TODO netns compare */ | |
84 | ||
85 | if (have_wpan_dev_id && rdev->wpan_phy_idx != wpan_phy_idx) | |
86 | continue; | |
87 | ||
88 | list_for_each_entry(wpan_dev, &rdev->wpan_dev_list, list) { | |
89 | if (have_ifidx && wpan_dev->netdev && | |
90 | wpan_dev->netdev->ifindex == ifidx) { | |
91 | result = wpan_dev; | |
92 | break; | |
93 | } | |
94 | if (have_wpan_dev_id && | |
95 | wpan_dev->identifier == (u32)wpan_dev_id) { | |
96 | result = wpan_dev; | |
97 | break; | |
98 | } | |
99 | } | |
100 | ||
101 | if (result) | |
102 | break; | |
103 | } | |
104 | ||
105 | if (result) | |
106 | return result; | |
107 | ||
108 | return ERR_PTR(-ENODEV); | |
109 | } | |
110 | ||
111 | static struct cfg802154_registered_device * | |
112 | __cfg802154_rdev_from_attrs(struct net *netns, struct nlattr **attrs) | |
113 | { | |
114 | struct cfg802154_registered_device *rdev = NULL, *tmp; | |
115 | struct net_device *netdev; | |
116 | ||
117 | ASSERT_RTNL(); | |
118 | ||
119 | if (!attrs[NL802154_ATTR_WPAN_PHY] && | |
120 | !attrs[NL802154_ATTR_IFINDEX] && | |
121 | !attrs[NL802154_ATTR_WPAN_DEV]) | |
122 | return ERR_PTR(-EINVAL); | |
123 | ||
124 | if (attrs[NL802154_ATTR_WPAN_PHY]) | |
125 | rdev = cfg802154_rdev_by_wpan_phy_idx( | |
126 | nla_get_u32(attrs[NL802154_ATTR_WPAN_PHY])); | |
127 | ||
128 | if (attrs[NL802154_ATTR_WPAN_DEV]) { | |
129 | u64 wpan_dev_id = nla_get_u64(attrs[NL802154_ATTR_WPAN_DEV]); | |
130 | struct wpan_dev *wpan_dev; | |
131 | bool found = false; | |
132 | ||
133 | tmp = cfg802154_rdev_by_wpan_phy_idx(wpan_dev_id >> 32); | |
134 | if (tmp) { | |
135 | /* make sure wpan_dev exists */ | |
136 | list_for_each_entry(wpan_dev, &tmp->wpan_dev_list, list) { | |
137 | if (wpan_dev->identifier != (u32)wpan_dev_id) | |
138 | continue; | |
139 | found = true; | |
140 | break; | |
141 | } | |
142 | ||
143 | if (!found) | |
144 | tmp = NULL; | |
145 | ||
146 | if (rdev && tmp != rdev) | |
147 | return ERR_PTR(-EINVAL); | |
148 | rdev = tmp; | |
149 | } | |
150 | } | |
151 | ||
152 | if (attrs[NL802154_ATTR_IFINDEX]) { | |
153 | int ifindex = nla_get_u32(attrs[NL802154_ATTR_IFINDEX]); | |
154 | ||
155 | netdev = __dev_get_by_index(netns, ifindex); | |
156 | if (netdev) { | |
157 | if (netdev->ieee802154_ptr) | |
158 | tmp = wpan_phy_to_rdev( | |
159 | netdev->ieee802154_ptr->wpan_phy); | |
160 | else | |
161 | tmp = NULL; | |
162 | ||
163 | /* not wireless device -- return error */ | |
164 | if (!tmp) | |
165 | return ERR_PTR(-EINVAL); | |
166 | ||
167 | /* mismatch -- return error */ | |
168 | if (rdev && tmp != rdev) | |
169 | return ERR_PTR(-EINVAL); | |
170 | ||
171 | rdev = tmp; | |
172 | } | |
173 | } | |
174 | ||
175 | if (!rdev) | |
176 | return ERR_PTR(-ENODEV); | |
177 | ||
178 | /* TODO netns compare */ | |
179 | ||
180 | return rdev; | |
181 | } | |
182 | ||
183 | /* This function returns a pointer to the driver | |
184 | * that the genl_info item that is passed refers to. | |
185 | * | |
186 | * The result of this can be a PTR_ERR and hence must | |
187 | * be checked with IS_ERR() for errors. | |
188 | */ | |
189 | static struct cfg802154_registered_device * | |
190 | cfg802154_get_dev_from_info(struct net *netns, struct genl_info *info) | |
191 | { | |
192 | return __cfg802154_rdev_from_attrs(netns, info->attrs); | |
193 | } | |
194 | ||
195 | /* policy for the attributes */ | |
196 | static const struct nla_policy nl802154_policy[NL802154_ATTR_MAX+1] = { | |
ca20ce20 AA |
197 | [NL802154_ATTR_WPAN_PHY] = { .type = NLA_U32 }, |
198 | [NL802154_ATTR_WPAN_PHY_NAME] = { .type = NLA_NUL_STRING, | |
199 | .len = 20-1 }, | |
200 | ||
201 | [NL802154_ATTR_IFINDEX] = { .type = NLA_U32 }, | |
4b96aea0 AA |
202 | [NL802154_ATTR_IFTYPE] = { .type = NLA_U32 }, |
203 | [NL802154_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 }, | |
ca20ce20 AA |
204 | |
205 | [NL802154_ATTR_WPAN_DEV] = { .type = NLA_U64 }, | |
206 | ||
207 | [NL802154_ATTR_PAGE] = { .type = NLA_U8, }, | |
208 | [NL802154_ATTR_CHANNEL] = { .type = NLA_U8, }, | |
209 | ||
1a19cb68 | 210 | [NL802154_ATTR_TX_POWER] = { .type = NLA_S32, }, |
ca20ce20 | 211 | |
ba2a9506 AA |
212 | [NL802154_ATTR_CCA_MODE] = { .type = NLA_U32, }, |
213 | [NL802154_ATTR_CCA_OPT] = { .type = NLA_U32, }, | |
e4390592 | 214 | [NL802154_ATTR_CCA_ED_LEVEL] = { .type = NLA_S32, }, |
ca20ce20 AA |
215 | |
216 | [NL802154_ATTR_SUPPORTED_CHANNEL] = { .type = NLA_U32, }, | |
4b96aea0 AA |
217 | |
218 | [NL802154_ATTR_PAN_ID] = { .type = NLA_U16, }, | |
219 | [NL802154_ATTR_EXTENDED_ADDR] = { .type = NLA_U64 }, | |
220 | [NL802154_ATTR_SHORT_ADDR] = { .type = NLA_U16, }, | |
221 | ||
222 | [NL802154_ATTR_MIN_BE] = { .type = NLA_U8, }, | |
223 | [NL802154_ATTR_MAX_BE] = { .type = NLA_U8, }, | |
224 | [NL802154_ATTR_MAX_CSMA_BACKOFFS] = { .type = NLA_U8, }, | |
225 | ||
226 | [NL802154_ATTR_MAX_FRAME_RETRIES] = { .type = NLA_S8, }, | |
227 | ||
228 | [NL802154_ATTR_LBT_MODE] = { .type = NLA_U8, }, | |
0e665457 AA |
229 | |
230 | [NL802154_ATTR_WPAN_PHY_CAPS] = { .type = NLA_NESTED }, | |
133be026 VB |
231 | |
232 | [NL802154_ATTR_SUPPORTED_COMMANDS] = { .type = NLA_NESTED }, | |
c91208d8 AA |
233 | |
234 | [NL802154_ATTR_ACKREQ_DEFAULT] = { .type = NLA_U8 }, | |
a26c5fd7 AA |
235 | |
236 | #ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL | |
237 | [NL802154_ATTR_SEC_ENABLED] = { .type = NLA_U8, }, | |
238 | [NL802154_ATTR_SEC_OUT_LEVEL] = { .type = NLA_U32, }, | |
239 | [NL802154_ATTR_SEC_OUT_KEY_ID] = { .type = NLA_NESTED, }, | |
240 | [NL802154_ATTR_SEC_FRAME_COUNTER] = { .type = NLA_U32 }, | |
241 | ||
242 | [NL802154_ATTR_SEC_LEVEL] = { .type = NLA_NESTED }, | |
243 | [NL802154_ATTR_SEC_DEVICE] = { .type = NLA_NESTED }, | |
244 | [NL802154_ATTR_SEC_DEVKEY] = { .type = NLA_NESTED }, | |
245 | [NL802154_ATTR_SEC_KEY] = { .type = NLA_NESTED }, | |
246 | #endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */ | |
79fe1a2a AA |
247 | }; |
248 | ||
a26c5fd7 AA |
249 | #ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL |
250 | static int | |
251 | nl802154_prepare_wpan_dev_dump(struct sk_buff *skb, | |
252 | struct netlink_callback *cb, | |
253 | struct cfg802154_registered_device **rdev, | |
254 | struct wpan_dev **wpan_dev) | |
255 | { | |
256 | int err; | |
257 | ||
258 | rtnl_lock(); | |
259 | ||
260 | if (!cb->args[0]) { | |
261 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl802154_fam.hdrsize, | |
262 | nl802154_fam.attrbuf, nl802154_fam.maxattr, | |
263 | nl802154_policy); | |
264 | if (err) | |
265 | goto out_unlock; | |
266 | ||
267 | *wpan_dev = __cfg802154_wpan_dev_from_attrs(sock_net(skb->sk), | |
268 | nl802154_fam.attrbuf); | |
269 | if (IS_ERR(*wpan_dev)) { | |
270 | err = PTR_ERR(*wpan_dev); | |
271 | goto out_unlock; | |
272 | } | |
273 | *rdev = wpan_phy_to_rdev((*wpan_dev)->wpan_phy); | |
274 | /* 0 is the first index - add 1 to parse only once */ | |
275 | cb->args[0] = (*rdev)->wpan_phy_idx + 1; | |
276 | cb->args[1] = (*wpan_dev)->identifier; | |
277 | } else { | |
278 | /* subtract the 1 again here */ | |
279 | struct wpan_phy *wpan_phy = wpan_phy_idx_to_wpan_phy(cb->args[0] - 1); | |
280 | struct wpan_dev *tmp; | |
281 | ||
282 | if (!wpan_phy) { | |
283 | err = -ENODEV; | |
284 | goto out_unlock; | |
285 | } | |
286 | *rdev = wpan_phy_to_rdev(wpan_phy); | |
287 | *wpan_dev = NULL; | |
288 | ||
289 | list_for_each_entry(tmp, &(*rdev)->wpan_dev_list, list) { | |
290 | if (tmp->identifier == cb->args[1]) { | |
291 | *wpan_dev = tmp; | |
292 | break; | |
293 | } | |
294 | } | |
295 | ||
296 | if (!*wpan_dev) { | |
297 | err = -ENODEV; | |
298 | goto out_unlock; | |
299 | } | |
300 | } | |
301 | ||
302 | return 0; | |
303 | out_unlock: | |
304 | rtnl_unlock(); | |
305 | return err; | |
306 | } | |
307 | ||
308 | static void | |
309 | nl802154_finish_wpan_dev_dump(struct cfg802154_registered_device *rdev) | |
310 | { | |
311 | rtnl_unlock(); | |
312 | } | |
313 | #endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */ | |
314 | ||
79fe1a2a AA |
315 | /* message building helper */ |
316 | static inline void *nl802154hdr_put(struct sk_buff *skb, u32 portid, u32 seq, | |
317 | int flags, u8 cmd) | |
318 | { | |
319 | /* since there is no private header just add the generic one */ | |
320 | return genlmsg_put(skb, portid, seq, &nl802154_fam, flags, cmd); | |
321 | } | |
322 | ||
0e665457 AA |
323 | static int |
324 | nl802154_put_flags(struct sk_buff *msg, int attr, u32 mask) | |
325 | { | |
326 | struct nlattr *nl_flags = nla_nest_start(msg, attr); | |
327 | int i; | |
328 | ||
329 | if (!nl_flags) | |
330 | return -ENOBUFS; | |
331 | ||
332 | i = 0; | |
333 | while (mask) { | |
334 | if ((mask & 1) && nla_put_flag(msg, i)) | |
335 | return -ENOBUFS; | |
336 | ||
337 | mask >>= 1; | |
338 | i++; | |
339 | } | |
340 | ||
341 | nla_nest_end(msg, nl_flags); | |
342 | return 0; | |
343 | } | |
344 | ||
ca20ce20 AA |
345 | static int |
346 | nl802154_send_wpan_phy_channels(struct cfg802154_registered_device *rdev, | |
347 | struct sk_buff *msg) | |
348 | { | |
349 | struct nlattr *nl_page; | |
350 | unsigned long page; | |
351 | ||
352 | nl_page = nla_nest_start(msg, NL802154_ATTR_CHANNELS_SUPPORTED); | |
353 | if (!nl_page) | |
354 | return -ENOBUFS; | |
355 | ||
cb41c8dd | 356 | for (page = 0; page <= IEEE802154_MAX_PAGE; page++) { |
ca20ce20 | 357 | if (nla_put_u32(msg, NL802154_ATTR_SUPPORTED_CHANNEL, |
72f655e4 | 358 | rdev->wpan_phy.supported.channels[page])) |
ca20ce20 AA |
359 | return -ENOBUFS; |
360 | } | |
361 | nla_nest_end(msg, nl_page); | |
362 | ||
363 | return 0; | |
364 | } | |
365 | ||
0e665457 AA |
366 | static int |
367 | nl802154_put_capabilities(struct sk_buff *msg, | |
368 | struct cfg802154_registered_device *rdev) | |
369 | { | |
370 | const struct wpan_phy_supported *caps = &rdev->wpan_phy.supported; | |
371 | struct nlattr *nl_caps, *nl_channels; | |
372 | int i; | |
373 | ||
374 | nl_caps = nla_nest_start(msg, NL802154_ATTR_WPAN_PHY_CAPS); | |
375 | if (!nl_caps) | |
376 | return -ENOBUFS; | |
377 | ||
378 | nl_channels = nla_nest_start(msg, NL802154_CAP_ATTR_CHANNELS); | |
379 | if (!nl_channels) | |
380 | return -ENOBUFS; | |
381 | ||
382 | for (i = 0; i <= IEEE802154_MAX_PAGE; i++) { | |
383 | if (caps->channels[i]) { | |
384 | if (nl802154_put_flags(msg, i, caps->channels[i])) | |
385 | return -ENOBUFS; | |
386 | } | |
387 | } | |
388 | ||
389 | nla_nest_end(msg, nl_channels); | |
390 | ||
391 | if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_ED_LEVEL) { | |
392 | struct nlattr *nl_ed_lvls; | |
393 | ||
394 | nl_ed_lvls = nla_nest_start(msg, | |
395 | NL802154_CAP_ATTR_CCA_ED_LEVELS); | |
396 | if (!nl_ed_lvls) | |
397 | return -ENOBUFS; | |
398 | ||
399 | for (i = 0; i < caps->cca_ed_levels_size; i++) { | |
400 | if (nla_put_s32(msg, i, caps->cca_ed_levels[i])) | |
401 | return -ENOBUFS; | |
402 | } | |
403 | ||
404 | nla_nest_end(msg, nl_ed_lvls); | |
405 | } | |
406 | ||
407 | if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_TXPOWER) { | |
408 | struct nlattr *nl_tx_pwrs; | |
409 | ||
410 | nl_tx_pwrs = nla_nest_start(msg, NL802154_CAP_ATTR_TX_POWERS); | |
411 | if (!nl_tx_pwrs) | |
412 | return -ENOBUFS; | |
413 | ||
414 | for (i = 0; i < caps->tx_powers_size; i++) { | |
415 | if (nla_put_s32(msg, i, caps->tx_powers[i])) | |
416 | return -ENOBUFS; | |
417 | } | |
418 | ||
419 | nla_nest_end(msg, nl_tx_pwrs); | |
420 | } | |
421 | ||
422 | if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_MODE) { | |
423 | if (nl802154_put_flags(msg, NL802154_CAP_ATTR_CCA_MODES, | |
424 | caps->cca_modes) || | |
425 | nl802154_put_flags(msg, NL802154_CAP_ATTR_CCA_OPTS, | |
426 | caps->cca_opts)) | |
427 | return -ENOBUFS; | |
428 | } | |
429 | ||
430 | if (nla_put_u8(msg, NL802154_CAP_ATTR_MIN_MINBE, caps->min_minbe) || | |
431 | nla_put_u8(msg, NL802154_CAP_ATTR_MAX_MINBE, caps->max_minbe) || | |
432 | nla_put_u8(msg, NL802154_CAP_ATTR_MIN_MAXBE, caps->min_maxbe) || | |
433 | nla_put_u8(msg, NL802154_CAP_ATTR_MAX_MAXBE, caps->max_maxbe) || | |
434 | nla_put_u8(msg, NL802154_CAP_ATTR_MIN_CSMA_BACKOFFS, | |
435 | caps->min_csma_backoffs) || | |
436 | nla_put_u8(msg, NL802154_CAP_ATTR_MAX_CSMA_BACKOFFS, | |
437 | caps->max_csma_backoffs) || | |
438 | nla_put_s8(msg, NL802154_CAP_ATTR_MIN_FRAME_RETRIES, | |
439 | caps->min_frame_retries) || | |
440 | nla_put_s8(msg, NL802154_CAP_ATTR_MAX_FRAME_RETRIES, | |
441 | caps->max_frame_retries) || | |
442 | nl802154_put_flags(msg, NL802154_CAP_ATTR_IFTYPES, | |
443 | caps->iftypes) || | |
444 | nla_put_u32(msg, NL802154_CAP_ATTR_LBT, caps->lbt)) | |
445 | return -ENOBUFS; | |
446 | ||
447 | nla_nest_end(msg, nl_caps); | |
448 | ||
449 | return 0; | |
450 | } | |
451 | ||
ca20ce20 AA |
452 | static int nl802154_send_wpan_phy(struct cfg802154_registered_device *rdev, |
453 | enum nl802154_commands cmd, | |
454 | struct sk_buff *msg, u32 portid, u32 seq, | |
455 | int flags) | |
456 | { | |
133be026 | 457 | struct nlattr *nl_cmds; |
ca20ce20 | 458 | void *hdr; |
133be026 | 459 | int i; |
ca20ce20 AA |
460 | |
461 | hdr = nl802154hdr_put(msg, portid, seq, flags, cmd); | |
462 | if (!hdr) | |
463 | return -ENOBUFS; | |
464 | ||
465 | if (nla_put_u32(msg, NL802154_ATTR_WPAN_PHY, rdev->wpan_phy_idx) || | |
466 | nla_put_string(msg, NL802154_ATTR_WPAN_PHY_NAME, | |
467 | wpan_phy_name(&rdev->wpan_phy)) || | |
468 | nla_put_u32(msg, NL802154_ATTR_GENERATION, | |
469 | cfg802154_rdev_list_generation)) | |
470 | goto nla_put_failure; | |
471 | ||
472 | if (cmd != NL802154_CMD_NEW_WPAN_PHY) | |
473 | goto finish; | |
474 | ||
475 | /* DUMP PHY PIB */ | |
476 | ||
477 | /* current channel settings */ | |
478 | if (nla_put_u8(msg, NL802154_ATTR_PAGE, | |
479 | rdev->wpan_phy.current_page) || | |
480 | nla_put_u8(msg, NL802154_ATTR_CHANNEL, | |
481 | rdev->wpan_phy.current_channel)) | |
482 | goto nla_put_failure; | |
483 | ||
0e665457 AA |
484 | /* TODO remove this behaviour, we still keep support it for a while |
485 | * so users can change the behaviour to the new one. | |
486 | */ | |
ca20ce20 AA |
487 | if (nl802154_send_wpan_phy_channels(rdev, msg)) |
488 | goto nla_put_failure; | |
489 | ||
490 | /* cca mode */ | |
edea8f7c AA |
491 | if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_MODE) { |
492 | if (nla_put_u32(msg, NL802154_ATTR_CCA_MODE, | |
493 | rdev->wpan_phy.cca.mode)) | |
ba2a9506 | 494 | goto nla_put_failure; |
edea8f7c AA |
495 | |
496 | if (rdev->wpan_phy.cca.mode == NL802154_CCA_ENERGY_CARRIER) { | |
497 | if (nla_put_u32(msg, NL802154_ATTR_CCA_OPT, | |
498 | rdev->wpan_phy.cca.opt)) | |
499 | goto nla_put_failure; | |
500 | } | |
ba2a9506 AA |
501 | } |
502 | ||
edea8f7c AA |
503 | if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_TXPOWER) { |
504 | if (nla_put_s32(msg, NL802154_ATTR_TX_POWER, | |
505 | rdev->wpan_phy.transmit_power)) | |
506 | goto nla_put_failure; | |
507 | } | |
ca20ce20 | 508 | |
e4390592 AA |
509 | if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_ED_LEVEL) { |
510 | if (nla_put_s32(msg, NL802154_ATTR_CCA_ED_LEVEL, | |
511 | rdev->wpan_phy.cca_ed_level)) | |
512 | goto nla_put_failure; | |
513 | } | |
514 | ||
0e665457 AA |
515 | if (nl802154_put_capabilities(msg, rdev)) |
516 | goto nla_put_failure; | |
517 | ||
133be026 VB |
518 | nl_cmds = nla_nest_start(msg, NL802154_ATTR_SUPPORTED_COMMANDS); |
519 | if (!nl_cmds) | |
520 | goto nla_put_failure; | |
521 | ||
522 | i = 0; | |
523 | #define CMD(op, n) \ | |
524 | do { \ | |
525 | if (rdev->ops->op) { \ | |
526 | i++; \ | |
527 | if (nla_put_u32(msg, i, NL802154_CMD_ ## n)) \ | |
528 | goto nla_put_failure; \ | |
529 | } \ | |
530 | } while (0) | |
531 | ||
532 | CMD(add_virtual_intf, NEW_INTERFACE); | |
533 | CMD(del_virtual_intf, DEL_INTERFACE); | |
534 | CMD(set_channel, SET_CHANNEL); | |
535 | CMD(set_pan_id, SET_PAN_ID); | |
536 | CMD(set_short_addr, SET_SHORT_ADDR); | |
537 | CMD(set_backoff_exponent, SET_BACKOFF_EXPONENT); | |
538 | CMD(set_max_csma_backoffs, SET_MAX_CSMA_BACKOFFS); | |
539 | CMD(set_max_frame_retries, SET_MAX_FRAME_RETRIES); | |
540 | CMD(set_lbt_mode, SET_LBT_MODE); | |
c91208d8 | 541 | CMD(set_ackreq_default, SET_ACKREQ_DEFAULT); |
133be026 VB |
542 | |
543 | if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_TXPOWER) | |
544 | CMD(set_tx_power, SET_TX_POWER); | |
545 | ||
546 | if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_ED_LEVEL) | |
547 | CMD(set_cca_ed_level, SET_CCA_ED_LEVEL); | |
548 | ||
549 | if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_MODE) | |
550 | CMD(set_cca_mode, SET_CCA_MODE); | |
551 | ||
552 | #undef CMD | |
553 | nla_nest_end(msg, nl_cmds); | |
554 | ||
ca20ce20 | 555 | finish: |
053c095a JB |
556 | genlmsg_end(msg, hdr); |
557 | return 0; | |
ca20ce20 AA |
558 | |
559 | nla_put_failure: | |
560 | genlmsg_cancel(msg, hdr); | |
561 | return -EMSGSIZE; | |
562 | } | |
563 | ||
564 | struct nl802154_dump_wpan_phy_state { | |
565 | s64 filter_wpan_phy; | |
566 | long start; | |
567 | ||
568 | }; | |
569 | ||
570 | static int nl802154_dump_wpan_phy_parse(struct sk_buff *skb, | |
571 | struct netlink_callback *cb, | |
572 | struct nl802154_dump_wpan_phy_state *state) | |
573 | { | |
574 | struct nlattr **tb = nl802154_fam.attrbuf; | |
575 | int ret = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl802154_fam.hdrsize, | |
576 | tb, nl802154_fam.maxattr, nl802154_policy); | |
577 | ||
578 | /* TODO check if we can handle error here, | |
579 | * we have no backward compatibility | |
580 | */ | |
581 | if (ret) | |
582 | return 0; | |
583 | ||
584 | if (tb[NL802154_ATTR_WPAN_PHY]) | |
585 | state->filter_wpan_phy = nla_get_u32(tb[NL802154_ATTR_WPAN_PHY]); | |
586 | if (tb[NL802154_ATTR_WPAN_DEV]) | |
587 | state->filter_wpan_phy = nla_get_u64(tb[NL802154_ATTR_WPAN_DEV]) >> 32; | |
588 | if (tb[NL802154_ATTR_IFINDEX]) { | |
589 | struct net_device *netdev; | |
590 | struct cfg802154_registered_device *rdev; | |
591 | int ifidx = nla_get_u32(tb[NL802154_ATTR_IFINDEX]); | |
592 | ||
593 | /* TODO netns */ | |
594 | netdev = __dev_get_by_index(&init_net, ifidx); | |
595 | if (!netdev) | |
596 | return -ENODEV; | |
597 | if (netdev->ieee802154_ptr) { | |
598 | rdev = wpan_phy_to_rdev( | |
599 | netdev->ieee802154_ptr->wpan_phy); | |
600 | state->filter_wpan_phy = rdev->wpan_phy_idx; | |
601 | } | |
602 | } | |
603 | ||
604 | return 0; | |
605 | } | |
606 | ||
607 | static int | |
608 | nl802154_dump_wpan_phy(struct sk_buff *skb, struct netlink_callback *cb) | |
609 | { | |
610 | int idx = 0, ret; | |
611 | struct nl802154_dump_wpan_phy_state *state = (void *)cb->args[0]; | |
612 | struct cfg802154_registered_device *rdev; | |
613 | ||
614 | rtnl_lock(); | |
615 | if (!state) { | |
616 | state = kzalloc(sizeof(*state), GFP_KERNEL); | |
617 | if (!state) { | |
618 | rtnl_unlock(); | |
619 | return -ENOMEM; | |
620 | } | |
621 | state->filter_wpan_phy = -1; | |
622 | ret = nl802154_dump_wpan_phy_parse(skb, cb, state); | |
623 | if (ret) { | |
624 | kfree(state); | |
625 | rtnl_unlock(); | |
626 | return ret; | |
627 | } | |
628 | cb->args[0] = (long)state; | |
629 | } | |
630 | ||
631 | list_for_each_entry(rdev, &cfg802154_rdev_list, list) { | |
632 | /* TODO net ns compare */ | |
633 | if (++idx <= state->start) | |
634 | continue; | |
635 | if (state->filter_wpan_phy != -1 && | |
636 | state->filter_wpan_phy != rdev->wpan_phy_idx) | |
637 | continue; | |
638 | /* attempt to fit multiple wpan_phy data chunks into the skb */ | |
639 | ret = nl802154_send_wpan_phy(rdev, | |
640 | NL802154_CMD_NEW_WPAN_PHY, | |
641 | skb, | |
642 | NETLINK_CB(cb->skb).portid, | |
643 | cb->nlh->nlmsg_seq, NLM_F_MULTI); | |
644 | if (ret < 0) { | |
645 | if ((ret == -ENOBUFS || ret == -EMSGSIZE) && | |
646 | !skb->len && cb->min_dump_alloc < 4096) { | |
647 | cb->min_dump_alloc = 4096; | |
648 | rtnl_unlock(); | |
649 | return 1; | |
650 | } | |
651 | idx--; | |
652 | break; | |
653 | } | |
654 | break; | |
655 | } | |
656 | rtnl_unlock(); | |
657 | ||
658 | state->start = idx; | |
659 | ||
660 | return skb->len; | |
661 | } | |
662 | ||
663 | static int nl802154_dump_wpan_phy_done(struct netlink_callback *cb) | |
664 | { | |
665 | kfree((void *)cb->args[0]); | |
666 | return 0; | |
667 | } | |
668 | ||
669 | static int nl802154_get_wpan_phy(struct sk_buff *skb, struct genl_info *info) | |
670 | { | |
671 | struct sk_buff *msg; | |
672 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
673 | ||
674 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
675 | if (!msg) | |
676 | return -ENOMEM; | |
677 | ||
678 | if (nl802154_send_wpan_phy(rdev, NL802154_CMD_NEW_WPAN_PHY, msg, | |
679 | info->snd_portid, info->snd_seq, 0) < 0) { | |
680 | nlmsg_free(msg); | |
681 | return -ENOBUFS; | |
682 | } | |
683 | ||
684 | return genlmsg_reply(msg, info); | |
685 | } | |
686 | ||
4b96aea0 AA |
687 | static inline u64 wpan_dev_id(struct wpan_dev *wpan_dev) |
688 | { | |
689 | return (u64)wpan_dev->identifier | | |
690 | ((u64)wpan_phy_to_rdev(wpan_dev->wpan_phy)->wpan_phy_idx << 32); | |
691 | } | |
692 | ||
a26c5fd7 AA |
693 | #ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL |
694 | #include <net/ieee802154_netdev.h> | |
695 | ||
696 | static int | |
697 | ieee802154_llsec_send_key_id(struct sk_buff *msg, | |
698 | const struct ieee802154_llsec_key_id *desc) | |
699 | { | |
700 | struct nlattr *nl_dev_addr; | |
701 | ||
702 | if (nla_put_u32(msg, NL802154_KEY_ID_ATTR_MODE, desc->mode)) | |
703 | return -ENOBUFS; | |
704 | ||
705 | switch (desc->mode) { | |
706 | case NL802154_KEY_ID_MODE_IMPLICIT: | |
707 | nl_dev_addr = nla_nest_start(msg, NL802154_KEY_ID_ATTR_IMPLICIT); | |
708 | if (!nl_dev_addr) | |
709 | return -ENOBUFS; | |
710 | ||
711 | if (nla_put_le16(msg, NL802154_DEV_ADDR_ATTR_PAN_ID, | |
712 | desc->device_addr.pan_id) || | |
713 | nla_put_u32(msg, NL802154_DEV_ADDR_ATTR_MODE, | |
714 | desc->device_addr.mode)) | |
715 | return -ENOBUFS; | |
716 | ||
717 | switch (desc->device_addr.mode) { | |
718 | case NL802154_DEV_ADDR_SHORT: | |
719 | if (nla_put_le16(msg, NL802154_DEV_ADDR_ATTR_SHORT, | |
720 | desc->device_addr.short_addr)) | |
721 | return -ENOBUFS; | |
722 | break; | |
723 | case NL802154_DEV_ADDR_EXTENDED: | |
724 | if (nla_put_le64(msg, NL802154_DEV_ADDR_ATTR_EXTENDED, | |
e7479122 ND |
725 | desc->device_addr.extended_addr, |
726 | NL802154_DEV_ADDR_ATTR_PAD)) | |
a26c5fd7 AA |
727 | return -ENOBUFS; |
728 | break; | |
729 | default: | |
730 | /* userspace should handle unknown */ | |
731 | break; | |
732 | } | |
733 | ||
734 | nla_nest_end(msg, nl_dev_addr); | |
735 | break; | |
736 | case NL802154_KEY_ID_MODE_INDEX: | |
737 | break; | |
738 | case NL802154_KEY_ID_MODE_INDEX_SHORT: | |
739 | /* TODO renmae short_source? */ | |
740 | if (nla_put_le32(msg, NL802154_KEY_ID_ATTR_SOURCE_SHORT, | |
741 | desc->short_source)) | |
742 | return -ENOBUFS; | |
743 | break; | |
744 | case NL802154_KEY_ID_MODE_INDEX_EXTENDED: | |
745 | if (nla_put_le64(msg, NL802154_KEY_ID_ATTR_SOURCE_EXTENDED, | |
e7479122 ND |
746 | desc->extended_source, |
747 | NL802154_KEY_ID_ATTR_PAD)) | |
a26c5fd7 AA |
748 | return -ENOBUFS; |
749 | break; | |
750 | default: | |
751 | /* userspace should handle unknown */ | |
752 | break; | |
753 | } | |
754 | ||
755 | /* TODO key_id to key_idx ? Check naming */ | |
756 | if (desc->mode != NL802154_KEY_ID_MODE_IMPLICIT) { | |
757 | if (nla_put_u8(msg, NL802154_KEY_ID_ATTR_INDEX, desc->id)) | |
758 | return -ENOBUFS; | |
759 | } | |
760 | ||
761 | return 0; | |
762 | } | |
763 | ||
764 | static int nl802154_get_llsec_params(struct sk_buff *msg, | |
765 | struct cfg802154_registered_device *rdev, | |
766 | struct wpan_dev *wpan_dev) | |
767 | { | |
768 | struct nlattr *nl_key_id; | |
769 | struct ieee802154_llsec_params params; | |
770 | int ret; | |
771 | ||
772 | ret = rdev_get_llsec_params(rdev, wpan_dev, ¶ms); | |
773 | if (ret < 0) | |
774 | return ret; | |
775 | ||
776 | if (nla_put_u8(msg, NL802154_ATTR_SEC_ENABLED, params.enabled) || | |
777 | nla_put_u32(msg, NL802154_ATTR_SEC_OUT_LEVEL, params.out_level) || | |
778 | nla_put_be32(msg, NL802154_ATTR_SEC_FRAME_COUNTER, | |
779 | params.frame_counter)) | |
780 | return -ENOBUFS; | |
781 | ||
782 | nl_key_id = nla_nest_start(msg, NL802154_ATTR_SEC_OUT_KEY_ID); | |
783 | if (!nl_key_id) | |
784 | return -ENOBUFS; | |
785 | ||
786 | ret = ieee802154_llsec_send_key_id(msg, ¶ms.out_key); | |
787 | if (ret < 0) | |
788 | return ret; | |
789 | ||
790 | nla_nest_end(msg, nl_key_id); | |
791 | ||
792 | return 0; | |
793 | } | |
794 | #endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */ | |
795 | ||
4b96aea0 AA |
796 | static int |
797 | nl802154_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags, | |
798 | struct cfg802154_registered_device *rdev, | |
799 | struct wpan_dev *wpan_dev) | |
800 | { | |
801 | struct net_device *dev = wpan_dev->netdev; | |
802 | void *hdr; | |
803 | ||
804 | hdr = nl802154hdr_put(msg, portid, seq, flags, | |
805 | NL802154_CMD_NEW_INTERFACE); | |
806 | if (!hdr) | |
807 | return -1; | |
808 | ||
809 | if (dev && | |
810 | (nla_put_u32(msg, NL802154_ATTR_IFINDEX, dev->ifindex) || | |
811 | nla_put_string(msg, NL802154_ATTR_IFNAME, dev->name))) | |
812 | goto nla_put_failure; | |
813 | ||
814 | if (nla_put_u32(msg, NL802154_ATTR_WPAN_PHY, rdev->wpan_phy_idx) || | |
815 | nla_put_u32(msg, NL802154_ATTR_IFTYPE, wpan_dev->iftype) || | |
a558da09 ND |
816 | nla_put_u64_64bit(msg, NL802154_ATTR_WPAN_DEV, |
817 | wpan_dev_id(wpan_dev), NL802154_ATTR_PAD) || | |
4b96aea0 AA |
818 | nla_put_u32(msg, NL802154_ATTR_GENERATION, |
819 | rdev->devlist_generation ^ | |
820 | (cfg802154_rdev_list_generation << 2))) | |
821 | goto nla_put_failure; | |
822 | ||
823 | /* address settings */ | |
824 | if (nla_put_le64(msg, NL802154_ATTR_EXTENDED_ADDR, | |
e7479122 ND |
825 | wpan_dev->extended_addr, |
826 | NL802154_ATTR_PAD) || | |
4b96aea0 AA |
827 | nla_put_le16(msg, NL802154_ATTR_SHORT_ADDR, |
828 | wpan_dev->short_addr) || | |
829 | nla_put_le16(msg, NL802154_ATTR_PAN_ID, wpan_dev->pan_id)) | |
830 | goto nla_put_failure; | |
831 | ||
832 | /* ARET handling */ | |
833 | if (nla_put_s8(msg, NL802154_ATTR_MAX_FRAME_RETRIES, | |
834 | wpan_dev->frame_retries) || | |
835 | nla_put_u8(msg, NL802154_ATTR_MAX_BE, wpan_dev->max_be) || | |
836 | nla_put_u8(msg, NL802154_ATTR_MAX_CSMA_BACKOFFS, | |
837 | wpan_dev->csma_retries) || | |
838 | nla_put_u8(msg, NL802154_ATTR_MIN_BE, wpan_dev->min_be)) | |
839 | goto nla_put_failure; | |
840 | ||
841 | /* listen before transmit */ | |
842 | if (nla_put_u8(msg, NL802154_ATTR_LBT_MODE, wpan_dev->lbt)) | |
843 | goto nla_put_failure; | |
844 | ||
c91208d8 AA |
845 | /* ackreq default behaviour */ |
846 | if (nla_put_u8(msg, NL802154_ATTR_ACKREQ_DEFAULT, wpan_dev->ackreq)) | |
847 | goto nla_put_failure; | |
848 | ||
a26c5fd7 AA |
849 | #ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL |
850 | if (nl802154_get_llsec_params(msg, rdev, wpan_dev) < 0) | |
851 | goto nla_put_failure; | |
852 | #endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */ | |
853 | ||
053c095a JB |
854 | genlmsg_end(msg, hdr); |
855 | return 0; | |
4b96aea0 AA |
856 | |
857 | nla_put_failure: | |
858 | genlmsg_cancel(msg, hdr); | |
859 | return -EMSGSIZE; | |
860 | } | |
861 | ||
862 | static int | |
863 | nl802154_dump_interface(struct sk_buff *skb, struct netlink_callback *cb) | |
864 | { | |
865 | int wp_idx = 0; | |
866 | int if_idx = 0; | |
867 | int wp_start = cb->args[0]; | |
868 | int if_start = cb->args[1]; | |
869 | struct cfg802154_registered_device *rdev; | |
870 | struct wpan_dev *wpan_dev; | |
871 | ||
872 | rtnl_lock(); | |
873 | list_for_each_entry(rdev, &cfg802154_rdev_list, list) { | |
874 | /* TODO netns compare */ | |
875 | if (wp_idx < wp_start) { | |
876 | wp_idx++; | |
877 | continue; | |
878 | } | |
879 | if_idx = 0; | |
880 | ||
881 | list_for_each_entry(wpan_dev, &rdev->wpan_dev_list, list) { | |
882 | if (if_idx < if_start) { | |
883 | if_idx++; | |
884 | continue; | |
885 | } | |
886 | if (nl802154_send_iface(skb, NETLINK_CB(cb->skb).portid, | |
887 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
888 | rdev, wpan_dev) < 0) { | |
889 | goto out; | |
890 | } | |
891 | if_idx++; | |
892 | } | |
893 | ||
894 | wp_idx++; | |
895 | } | |
896 | out: | |
897 | rtnl_unlock(); | |
898 | ||
899 | cb->args[0] = wp_idx; | |
900 | cb->args[1] = if_idx; | |
901 | ||
902 | return skb->len; | |
903 | } | |
904 | ||
905 | static int nl802154_get_interface(struct sk_buff *skb, struct genl_info *info) | |
906 | { | |
907 | struct sk_buff *msg; | |
908 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
909 | struct wpan_dev *wdev = info->user_ptr[1]; | |
910 | ||
911 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
912 | if (!msg) | |
913 | return -ENOMEM; | |
914 | ||
915 | if (nl802154_send_iface(msg, info->snd_portid, info->snd_seq, 0, | |
916 | rdev, wdev) < 0) { | |
917 | nlmsg_free(msg); | |
918 | return -ENOBUFS; | |
919 | } | |
920 | ||
921 | return genlmsg_reply(msg, info); | |
922 | } | |
923 | ||
f3ea5e44 AA |
924 | static int nl802154_new_interface(struct sk_buff *skb, struct genl_info *info) |
925 | { | |
926 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
927 | enum nl802154_iftype type = NL802154_IFTYPE_UNSPEC; | |
0e57547e | 928 | __le64 extended_addr = cpu_to_le64(0x0000000000000000ULL); |
f3ea5e44 AA |
929 | |
930 | /* TODO avoid failing a new interface | |
931 | * creation due to pending removal? | |
932 | */ | |
933 | ||
934 | if (!info->attrs[NL802154_ATTR_IFNAME]) | |
935 | return -EINVAL; | |
936 | ||
937 | if (info->attrs[NL802154_ATTR_IFTYPE]) { | |
938 | type = nla_get_u32(info->attrs[NL802154_ATTR_IFTYPE]); | |
65318680 AA |
939 | if (type > NL802154_IFTYPE_MAX || |
940 | !(rdev->wpan_phy.supported.iftypes & BIT(type))) | |
f3ea5e44 AA |
941 | return -EINVAL; |
942 | } | |
943 | ||
0e57547e | 944 | if (info->attrs[NL802154_ATTR_EXTENDED_ADDR]) |
1ee06ef1 | 945 | extended_addr = nla_get_le64(info->attrs[NL802154_ATTR_EXTENDED_ADDR]); |
0e57547e | 946 | |
f3ea5e44 AA |
947 | if (!rdev->ops->add_virtual_intf) |
948 | return -EOPNOTSUPP; | |
949 | ||
950 | return rdev_add_virtual_intf(rdev, | |
951 | nla_data(info->attrs[NL802154_ATTR_IFNAME]), | |
5b4a1039 | 952 | NET_NAME_USER, type, extended_addr); |
f3ea5e44 AA |
953 | } |
954 | ||
b821ecd4 AA |
955 | static int nl802154_del_interface(struct sk_buff *skb, struct genl_info *info) |
956 | { | |
957 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
958 | struct wpan_dev *wpan_dev = info->user_ptr[1]; | |
959 | ||
960 | if (!rdev->ops->del_virtual_intf) | |
961 | return -EOPNOTSUPP; | |
962 | ||
963 | /* If we remove a wpan device without a netdev then clear | |
964 | * user_ptr[1] so that nl802154_post_doit won't dereference it | |
965 | * to check if it needs to do dev_put(). Otherwise it crashes | |
966 | * since the wpan_dev has been freed, unlike with a netdev where | |
967 | * we need the dev_put() for the netdev to really be freed. | |
968 | */ | |
969 | if (!wpan_dev->netdev) | |
970 | info->user_ptr[1] = NULL; | |
971 | ||
972 | return rdev_del_virtual_intf(rdev, wpan_dev); | |
973 | } | |
974 | ||
ab0bd561 AA |
975 | static int nl802154_set_channel(struct sk_buff *skb, struct genl_info *info) |
976 | { | |
977 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
978 | u8 channel, page; | |
979 | ||
980 | if (!info->attrs[NL802154_ATTR_PAGE] || | |
981 | !info->attrs[NL802154_ATTR_CHANNEL]) | |
982 | return -EINVAL; | |
983 | ||
984 | page = nla_get_u8(info->attrs[NL802154_ATTR_PAGE]); | |
985 | channel = nla_get_u8(info->attrs[NL802154_ATTR_CHANNEL]); | |
986 | ||
987 | /* check 802.15.4 constraints */ | |
673692fa | 988 | if (page > IEEE802154_MAX_PAGE || channel > IEEE802154_MAX_CHANNEL || |
72f655e4 | 989 | !(rdev->wpan_phy.supported.channels[page] & BIT(channel))) |
ab0bd561 AA |
990 | return -EINVAL; |
991 | ||
992 | return rdev_set_channel(rdev, page, channel); | |
993 | } | |
994 | ||
ba2a9506 AA |
995 | static int nl802154_set_cca_mode(struct sk_buff *skb, struct genl_info *info) |
996 | { | |
997 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
998 | struct wpan_phy_cca cca; | |
999 | ||
fc4f8052 | 1000 | if (!(rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_MODE)) |
edea8f7c AA |
1001 | return -EOPNOTSUPP; |
1002 | ||
ba2a9506 AA |
1003 | if (!info->attrs[NL802154_ATTR_CCA_MODE]) |
1004 | return -EINVAL; | |
1005 | ||
1006 | cca.mode = nla_get_u32(info->attrs[NL802154_ATTR_CCA_MODE]); | |
1007 | /* checking 802.15.4 constraints */ | |
fea3318d AA |
1008 | if (cca.mode < NL802154_CCA_ENERGY || |
1009 | cca.mode > NL802154_CCA_ATTR_MAX || | |
1010 | !(rdev->wpan_phy.supported.cca_modes & BIT(cca.mode))) | |
ba2a9506 AA |
1011 | return -EINVAL; |
1012 | ||
1013 | if (cca.mode == NL802154_CCA_ENERGY_CARRIER) { | |
1014 | if (!info->attrs[NL802154_ATTR_CCA_OPT]) | |
1015 | return -EINVAL; | |
1016 | ||
1017 | cca.opt = nla_get_u32(info->attrs[NL802154_ATTR_CCA_OPT]); | |
fea3318d AA |
1018 | if (cca.opt > NL802154_CCA_OPT_ATTR_MAX || |
1019 | !(rdev->wpan_phy.supported.cca_opts & BIT(cca.opt))) | |
ba2a9506 AA |
1020 | return -EINVAL; |
1021 | } | |
1022 | ||
1023 | return rdev_set_cca_mode(rdev, &cca); | |
1024 | } | |
1025 | ||
b69644c1 AA |
1026 | static int nl802154_set_cca_ed_level(struct sk_buff *skb, struct genl_info *info) |
1027 | { | |
1028 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
1029 | s32 ed_level; | |
1030 | int i; | |
1031 | ||
1032 | if (!(rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_ED_LEVEL)) | |
1033 | return -EOPNOTSUPP; | |
1034 | ||
1035 | if (!info->attrs[NL802154_ATTR_CCA_ED_LEVEL]) | |
1036 | return -EINVAL; | |
1037 | ||
1038 | ed_level = nla_get_s32(info->attrs[NL802154_ATTR_CCA_ED_LEVEL]); | |
1039 | ||
1040 | for (i = 0; i < rdev->wpan_phy.supported.cca_ed_levels_size; i++) { | |
1041 | if (ed_level == rdev->wpan_phy.supported.cca_ed_levels[i]) | |
1042 | return rdev_set_cca_ed_level(rdev, ed_level); | |
1043 | } | |
1044 | ||
1045 | return -EINVAL; | |
1046 | } | |
1047 | ||
0f999b09 VB |
1048 | static int nl802154_set_tx_power(struct sk_buff *skb, struct genl_info *info) |
1049 | { | |
1050 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
1051 | s32 power; | |
1052 | int i; | |
1053 | ||
1054 | if (!(rdev->wpan_phy.flags & WPAN_PHY_FLAG_TXPOWER)) | |
1055 | return -EOPNOTSUPP; | |
1056 | ||
1057 | if (!info->attrs[NL802154_ATTR_TX_POWER]) | |
1058 | return -EINVAL; | |
1059 | ||
1060 | power = nla_get_s32(info->attrs[NL802154_ATTR_TX_POWER]); | |
1061 | ||
1062 | for (i = 0; i < rdev->wpan_phy.supported.tx_powers_size; i++) { | |
1063 | if (power == rdev->wpan_phy.supported.tx_powers[i]) | |
1064 | return rdev_set_tx_power(rdev, power); | |
1065 | } | |
1066 | ||
1067 | return -EINVAL; | |
1068 | } | |
1069 | ||
702bf371 AA |
1070 | static int nl802154_set_pan_id(struct sk_buff *skb, struct genl_info *info) |
1071 | { | |
1072 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
1073 | struct net_device *dev = info->user_ptr[1]; | |
1074 | struct wpan_dev *wpan_dev = dev->ieee802154_ptr; | |
ee7b9053 | 1075 | __le16 pan_id; |
702bf371 AA |
1076 | |
1077 | /* conflict here while tx/rx calls */ | |
1078 | if (netif_running(dev)) | |
1079 | return -EBUSY; | |
1080 | ||
9e3b71f3 AA |
1081 | if (wpan_dev->lowpan_dev) { |
1082 | if (netif_running(wpan_dev->lowpan_dev)) | |
1083 | return -EBUSY; | |
1084 | } | |
1085 | ||
702bf371 | 1086 | /* don't change address fields on monitor */ |
0cf0879a AA |
1087 | if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR || |
1088 | !info->attrs[NL802154_ATTR_PAN_ID]) | |
702bf371 AA |
1089 | return -EINVAL; |
1090 | ||
ee7b9053 | 1091 | pan_id = nla_get_le16(info->attrs[NL802154_ATTR_PAN_ID]); |
702bf371 | 1092 | |
673692fa AA |
1093 | /* TODO |
1094 | * I am not sure about to check here on broadcast pan_id. | |
1095 | * Broadcast is a valid setting, comment from 802.15.4: | |
1096 | * If this value is 0xffff, the device is not associated. | |
1097 | * | |
1098 | * This could useful to simple deassociate an device. | |
1099 | */ | |
1100 | if (pan_id == cpu_to_le16(IEEE802154_PAN_ID_BROADCAST)) | |
1101 | return -EINVAL; | |
1102 | ||
702bf371 AA |
1103 | return rdev_set_pan_id(rdev, wpan_dev, pan_id); |
1104 | } | |
1105 | ||
9830c62a AA |
1106 | static int nl802154_set_short_addr(struct sk_buff *skb, struct genl_info *info) |
1107 | { | |
1108 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
1109 | struct net_device *dev = info->user_ptr[1]; | |
1110 | struct wpan_dev *wpan_dev = dev->ieee802154_ptr; | |
ee7b9053 | 1111 | __le16 short_addr; |
9830c62a AA |
1112 | |
1113 | /* conflict here while tx/rx calls */ | |
1114 | if (netif_running(dev)) | |
1115 | return -EBUSY; | |
1116 | ||
9e3b71f3 AA |
1117 | if (wpan_dev->lowpan_dev) { |
1118 | if (netif_running(wpan_dev->lowpan_dev)) | |
1119 | return -EBUSY; | |
1120 | } | |
1121 | ||
9830c62a | 1122 | /* don't change address fields on monitor */ |
0cf0879a AA |
1123 | if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR || |
1124 | !info->attrs[NL802154_ATTR_SHORT_ADDR]) | |
9830c62a AA |
1125 | return -EINVAL; |
1126 | ||
ee7b9053 | 1127 | short_addr = nla_get_le16(info->attrs[NL802154_ATTR_SHORT_ADDR]); |
9830c62a | 1128 | |
673692fa AA |
1129 | /* TODO |
1130 | * I am not sure about to check here on broadcast short_addr. | |
1131 | * Broadcast is a valid setting, comment from 802.15.4: | |
1132 | * A value of 0xfffe indicates that the device has | |
1133 | * associated but has not been allocated an address. A | |
1134 | * value of 0xffff indicates that the device does not | |
1135 | * have a short address. | |
1136 | * | |
1137 | * I think we should allow to set these settings but | |
1138 | * don't allow to allow socket communication with it. | |
1139 | */ | |
1140 | if (short_addr == cpu_to_le16(IEEE802154_ADDR_SHORT_UNSPEC) || | |
1141 | short_addr == cpu_to_le16(IEEE802154_ADDR_SHORT_BROADCAST)) | |
1142 | return -EINVAL; | |
1143 | ||
9830c62a AA |
1144 | return rdev_set_short_addr(rdev, wpan_dev, short_addr); |
1145 | } | |
1146 | ||
656a999e AA |
1147 | static int |
1148 | nl802154_set_backoff_exponent(struct sk_buff *skb, struct genl_info *info) | |
1149 | { | |
1150 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
1151 | struct net_device *dev = info->user_ptr[1]; | |
1152 | struct wpan_dev *wpan_dev = dev->ieee802154_ptr; | |
1153 | u8 min_be, max_be; | |
1154 | ||
1155 | /* should be set on netif open inside phy settings */ | |
1156 | if (netif_running(dev)) | |
1157 | return -EBUSY; | |
1158 | ||
1159 | if (!info->attrs[NL802154_ATTR_MIN_BE] || | |
1160 | !info->attrs[NL802154_ATTR_MAX_BE]) | |
1161 | return -EINVAL; | |
1162 | ||
1163 | min_be = nla_get_u8(info->attrs[NL802154_ATTR_MIN_BE]); | |
1164 | max_be = nla_get_u8(info->attrs[NL802154_ATTR_MAX_BE]); | |
1165 | ||
1166 | /* check 802.15.4 constraints */ | |
fea3318d AA |
1167 | if (min_be < rdev->wpan_phy.supported.min_minbe || |
1168 | min_be > rdev->wpan_phy.supported.max_minbe || | |
1169 | max_be < rdev->wpan_phy.supported.min_maxbe || | |
1170 | max_be > rdev->wpan_phy.supported.max_maxbe || | |
1171 | min_be > max_be) | |
656a999e AA |
1172 | return -EINVAL; |
1173 | ||
1174 | return rdev_set_backoff_exponent(rdev, wpan_dev, min_be, max_be); | |
1175 | } | |
1176 | ||
a01ba765 AA |
1177 | static int |
1178 | nl802154_set_max_csma_backoffs(struct sk_buff *skb, struct genl_info *info) | |
1179 | { | |
1180 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
1181 | struct net_device *dev = info->user_ptr[1]; | |
1182 | struct wpan_dev *wpan_dev = dev->ieee802154_ptr; | |
1183 | u8 max_csma_backoffs; | |
1184 | ||
1185 | /* conflict here while other running iface settings */ | |
1186 | if (netif_running(dev)) | |
1187 | return -EBUSY; | |
1188 | ||
1189 | if (!info->attrs[NL802154_ATTR_MAX_CSMA_BACKOFFS]) | |
1190 | return -EINVAL; | |
1191 | ||
1192 | max_csma_backoffs = nla_get_u8( | |
1193 | info->attrs[NL802154_ATTR_MAX_CSMA_BACKOFFS]); | |
1194 | ||
1195 | /* check 802.15.4 constraints */ | |
fea3318d AA |
1196 | if (max_csma_backoffs < rdev->wpan_phy.supported.min_csma_backoffs || |
1197 | max_csma_backoffs > rdev->wpan_phy.supported.max_csma_backoffs) | |
a01ba765 AA |
1198 | return -EINVAL; |
1199 | ||
1200 | return rdev_set_max_csma_backoffs(rdev, wpan_dev, max_csma_backoffs); | |
1201 | } | |
1202 | ||
17a3a46b AA |
1203 | static int |
1204 | nl802154_set_max_frame_retries(struct sk_buff *skb, struct genl_info *info) | |
1205 | { | |
1206 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
1207 | struct net_device *dev = info->user_ptr[1]; | |
1208 | struct wpan_dev *wpan_dev = dev->ieee802154_ptr; | |
1209 | s8 max_frame_retries; | |
1210 | ||
1211 | if (netif_running(dev)) | |
1212 | return -EBUSY; | |
1213 | ||
1214 | if (!info->attrs[NL802154_ATTR_MAX_FRAME_RETRIES]) | |
1215 | return -EINVAL; | |
1216 | ||
1217 | max_frame_retries = nla_get_s8( | |
1218 | info->attrs[NL802154_ATTR_MAX_FRAME_RETRIES]); | |
1219 | ||
1220 | /* check 802.15.4 constraints */ | |
fea3318d AA |
1221 | if (max_frame_retries < rdev->wpan_phy.supported.min_frame_retries || |
1222 | max_frame_retries > rdev->wpan_phy.supported.max_frame_retries) | |
17a3a46b AA |
1223 | return -EINVAL; |
1224 | ||
1225 | return rdev_set_max_frame_retries(rdev, wpan_dev, max_frame_retries); | |
1226 | } | |
1227 | ||
c8937a1d AA |
1228 | static int nl802154_set_lbt_mode(struct sk_buff *skb, struct genl_info *info) |
1229 | { | |
1230 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
1231 | struct net_device *dev = info->user_ptr[1]; | |
1232 | struct wpan_dev *wpan_dev = dev->ieee802154_ptr; | |
4e1795de | 1233 | int mode; |
c8937a1d AA |
1234 | |
1235 | if (netif_running(dev)) | |
1236 | return -EBUSY; | |
1237 | ||
1238 | if (!info->attrs[NL802154_ATTR_LBT_MODE]) | |
1239 | return -EINVAL; | |
1240 | ||
4e1795de SS |
1241 | mode = nla_get_u8(info->attrs[NL802154_ATTR_LBT_MODE]); |
1242 | ||
1243 | if (mode != 0 && mode != 1) | |
1244 | return -EINVAL; | |
1245 | ||
fea3318d AA |
1246 | if (!wpan_phy_supported_bool(mode, rdev->wpan_phy.supported.lbt)) |
1247 | return -EINVAL; | |
1248 | ||
c8937a1d AA |
1249 | return rdev_set_lbt_mode(rdev, wpan_dev, mode); |
1250 | } | |
1251 | ||
c91208d8 AA |
1252 | static int |
1253 | nl802154_set_ackreq_default(struct sk_buff *skb, struct genl_info *info) | |
1254 | { | |
1255 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
1256 | struct net_device *dev = info->user_ptr[1]; | |
1257 | struct wpan_dev *wpan_dev = dev->ieee802154_ptr; | |
4e1795de | 1258 | int ackreq; |
c91208d8 AA |
1259 | |
1260 | if (netif_running(dev)) | |
1261 | return -EBUSY; | |
1262 | ||
1263 | if (!info->attrs[NL802154_ATTR_ACKREQ_DEFAULT]) | |
1264 | return -EINVAL; | |
1265 | ||
4e1795de SS |
1266 | ackreq = nla_get_u8(info->attrs[NL802154_ATTR_ACKREQ_DEFAULT]); |
1267 | ||
1268 | if (ackreq != 0 && ackreq != 1) | |
1269 | return -EINVAL; | |
1270 | ||
c91208d8 AA |
1271 | return rdev_set_ackreq_default(rdev, wpan_dev, ackreq); |
1272 | } | |
1273 | ||
a26c5fd7 AA |
1274 | #ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL |
1275 | static const struct nla_policy nl802154_dev_addr_policy[NL802154_DEV_ADDR_ATTR_MAX + 1] = { | |
1276 | [NL802154_DEV_ADDR_ATTR_PAN_ID] = { .type = NLA_U16 }, | |
1277 | [NL802154_DEV_ADDR_ATTR_MODE] = { .type = NLA_U32 }, | |
1278 | [NL802154_DEV_ADDR_ATTR_SHORT] = { .type = NLA_U16 }, | |
1279 | [NL802154_DEV_ADDR_ATTR_EXTENDED] = { .type = NLA_U64 }, | |
1280 | }; | |
79fe1a2a | 1281 | |
a26c5fd7 AA |
1282 | static int |
1283 | ieee802154_llsec_parse_dev_addr(struct nlattr *nla, | |
1284 | struct ieee802154_addr *addr) | |
79fe1a2a | 1285 | { |
a26c5fd7 | 1286 | struct nlattr *attrs[NL802154_DEV_ADDR_ATTR_MAX + 1]; |
79fe1a2a | 1287 | |
a26c5fd7 AA |
1288 | if (!nla || nla_parse_nested(attrs, NL802154_DEV_ADDR_ATTR_MAX, nla, |
1289 | nl802154_dev_addr_policy)) | |
1290 | return -EINVAL; | |
79fe1a2a | 1291 | |
a26c5fd7 AA |
1292 | if (!attrs[NL802154_DEV_ADDR_ATTR_PAN_ID] && |
1293 | !attrs[NL802154_DEV_ADDR_ATTR_MODE] && | |
1294 | !(attrs[NL802154_DEV_ADDR_ATTR_SHORT] || | |
1295 | attrs[NL802154_DEV_ADDR_ATTR_EXTENDED])) | |
1296 | return -EINVAL; | |
79fe1a2a | 1297 | |
a26c5fd7 AA |
1298 | addr->pan_id = nla_get_le16(attrs[NL802154_DEV_ADDR_ATTR_PAN_ID]); |
1299 | addr->mode = nla_get_u32(attrs[NL802154_DEV_ADDR_ATTR_MODE]); | |
1300 | switch (addr->mode) { | |
1301 | case NL802154_DEV_ADDR_SHORT: | |
1302 | addr->short_addr = nla_get_le16(attrs[NL802154_DEV_ADDR_ATTR_SHORT]); | |
1303 | break; | |
1304 | case NL802154_DEV_ADDR_EXTENDED: | |
1305 | addr->extended_addr = nla_get_le64(attrs[NL802154_DEV_ADDR_ATTR_EXTENDED]); | |
1306 | break; | |
1307 | default: | |
1308 | return -EINVAL; | |
1309 | } | |
79fe1a2a | 1310 | |
a26c5fd7 AA |
1311 | return 0; |
1312 | } | |
79fe1a2a | 1313 | |
a26c5fd7 AA |
1314 | static const struct nla_policy nl802154_key_id_policy[NL802154_KEY_ID_ATTR_MAX + 1] = { |
1315 | [NL802154_KEY_ID_ATTR_MODE] = { .type = NLA_U32 }, | |
1316 | [NL802154_KEY_ID_ATTR_INDEX] = { .type = NLA_U8 }, | |
1317 | [NL802154_KEY_ID_ATTR_IMPLICIT] = { .type = NLA_NESTED }, | |
1318 | [NL802154_KEY_ID_ATTR_SOURCE_SHORT] = { .type = NLA_U32 }, | |
1319 | [NL802154_KEY_ID_ATTR_SOURCE_EXTENDED] = { .type = NLA_U64 }, | |
1320 | }; | |
79fe1a2a | 1321 | |
a26c5fd7 AA |
1322 | static int |
1323 | ieee802154_llsec_parse_key_id(struct nlattr *nla, | |
1324 | struct ieee802154_llsec_key_id *desc) | |
1325 | { | |
1326 | struct nlattr *attrs[NL802154_KEY_ID_ATTR_MAX + 1]; | |
79fe1a2a | 1327 | |
a26c5fd7 AA |
1328 | if (!nla || nla_parse_nested(attrs, NL802154_KEY_ID_ATTR_MAX, nla, |
1329 | nl802154_key_id_policy)) | |
1330 | return -EINVAL; | |
79fe1a2a | 1331 | |
a26c5fd7 AA |
1332 | if (!attrs[NL802154_KEY_ID_ATTR_MODE]) |
1333 | return -EINVAL; | |
1334 | ||
1335 | desc->mode = nla_get_u32(attrs[NL802154_KEY_ID_ATTR_MODE]); | |
1336 | switch (desc->mode) { | |
1337 | case NL802154_KEY_ID_MODE_IMPLICIT: | |
1338 | if (!attrs[NL802154_KEY_ID_ATTR_IMPLICIT]) | |
1339 | return -EINVAL; | |
1340 | ||
1341 | if (ieee802154_llsec_parse_dev_addr(attrs[NL802154_KEY_ID_ATTR_IMPLICIT], | |
1342 | &desc->device_addr) < 0) | |
1343 | return -EINVAL; | |
1344 | break; | |
1345 | case NL802154_KEY_ID_MODE_INDEX: | |
1346 | break; | |
1347 | case NL802154_KEY_ID_MODE_INDEX_SHORT: | |
1348 | if (!attrs[NL802154_KEY_ID_ATTR_SOURCE_SHORT]) | |
1349 | return -EINVAL; | |
1350 | ||
1351 | desc->short_source = nla_get_le32(attrs[NL802154_KEY_ID_ATTR_SOURCE_SHORT]); | |
1352 | break; | |
1353 | case NL802154_KEY_ID_MODE_INDEX_EXTENDED: | |
1354 | if (!attrs[NL802154_KEY_ID_ATTR_SOURCE_EXTENDED]) | |
1355 | return -EINVAL; | |
1356 | ||
1357 | desc->extended_source = nla_get_le64(attrs[NL802154_KEY_ID_ATTR_SOURCE_EXTENDED]); | |
1358 | break; | |
1359 | default: | |
1360 | return -EINVAL; | |
1361 | } | |
1362 | ||
1363 | if (desc->mode != NL802154_KEY_ID_MODE_IMPLICIT) { | |
1364 | if (!attrs[NL802154_KEY_ID_ATTR_INDEX]) | |
1365 | return -EINVAL; | |
1366 | ||
1367 | /* TODO change id to idx */ | |
1368 | desc->id = nla_get_u8(attrs[NL802154_KEY_ID_ATTR_INDEX]); | |
79fe1a2a AA |
1369 | } |
1370 | ||
1371 | return 0; | |
1372 | } | |
1373 | ||
a26c5fd7 AA |
1374 | static int nl802154_set_llsec_params(struct sk_buff *skb, |
1375 | struct genl_info *info) | |
79fe1a2a | 1376 | { |
a26c5fd7 AA |
1377 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; |
1378 | struct net_device *dev = info->user_ptr[1]; | |
1379 | struct wpan_dev *wpan_dev = dev->ieee802154_ptr; | |
1380 | struct ieee802154_llsec_params params; | |
1381 | u32 changed = 0; | |
1382 | int ret; | |
79fe1a2a | 1383 | |
a26c5fd7 AA |
1384 | if (info->attrs[NL802154_ATTR_SEC_ENABLED]) { |
1385 | u8 enabled; | |
1386 | ||
1387 | enabled = nla_get_u8(info->attrs[NL802154_ATTR_SEC_ENABLED]); | |
1388 | if (enabled != 0 && enabled != 1) | |
1389 | return -EINVAL; | |
1390 | ||
1391 | params.enabled = nla_get_u8(info->attrs[NL802154_ATTR_SEC_ENABLED]); | |
1392 | changed |= IEEE802154_LLSEC_PARAM_ENABLED; | |
1393 | } | |
1394 | ||
1395 | if (info->attrs[NL802154_ATTR_SEC_OUT_KEY_ID]) { | |
1396 | ret = ieee802154_llsec_parse_key_id(info->attrs[NL802154_ATTR_SEC_OUT_KEY_ID], | |
1397 | ¶ms.out_key); | |
1398 | if (ret < 0) | |
1399 | return ret; | |
1400 | ||
1401 | changed |= IEEE802154_LLSEC_PARAM_OUT_KEY; | |
1402 | } | |
1403 | ||
1404 | if (info->attrs[NL802154_ATTR_SEC_OUT_LEVEL]) { | |
1405 | params.out_level = nla_get_u32(info->attrs[NL802154_ATTR_SEC_OUT_LEVEL]); | |
1406 | if (params.out_level > NL802154_SECLEVEL_MAX) | |
1407 | return -EINVAL; | |
1408 | ||
1409 | changed |= IEEE802154_LLSEC_PARAM_OUT_LEVEL; | |
1410 | } | |
1411 | ||
1412 | if (info->attrs[NL802154_ATTR_SEC_FRAME_COUNTER]) { | |
1413 | params.frame_counter = nla_get_be32(info->attrs[NL802154_ATTR_SEC_FRAME_COUNTER]); | |
1414 | changed |= IEEE802154_LLSEC_PARAM_FRAME_COUNTER; | |
1415 | } | |
1416 | ||
1417 | return rdev_set_llsec_params(rdev, wpan_dev, ¶ms, changed); | |
1418 | } | |
1419 | ||
1420 | static int nl802154_send_key(struct sk_buff *msg, u32 cmd, u32 portid, | |
1421 | u32 seq, int flags, | |
1422 | struct cfg802154_registered_device *rdev, | |
1423 | struct net_device *dev, | |
1424 | const struct ieee802154_llsec_key_entry *key) | |
1425 | { | |
1426 | void *hdr; | |
1427 | u32 commands[NL802154_CMD_FRAME_NR_IDS / 32]; | |
1428 | struct nlattr *nl_key, *nl_key_id; | |
1429 | ||
1430 | hdr = nl802154hdr_put(msg, portid, seq, flags, cmd); | |
1431 | if (!hdr) | |
1432 | return -1; | |
1433 | ||
1434 | if (nla_put_u32(msg, NL802154_ATTR_IFINDEX, dev->ifindex)) | |
1435 | goto nla_put_failure; | |
1436 | ||
1437 | nl_key = nla_nest_start(msg, NL802154_ATTR_SEC_KEY); | |
1438 | if (!nl_key) | |
1439 | goto nla_put_failure; | |
1440 | ||
1441 | nl_key_id = nla_nest_start(msg, NL802154_KEY_ATTR_ID); | |
1442 | if (!nl_key_id) | |
1443 | goto nla_put_failure; | |
1444 | ||
1445 | if (ieee802154_llsec_send_key_id(msg, &key->id) < 0) | |
1446 | goto nla_put_failure; | |
1447 | ||
1448 | nla_nest_end(msg, nl_key_id); | |
1449 | ||
1450 | if (nla_put_u8(msg, NL802154_KEY_ATTR_USAGE_FRAMES, | |
1451 | key->key->frame_types)) | |
1452 | goto nla_put_failure; | |
1453 | ||
1454 | if (key->key->frame_types & BIT(NL802154_FRAME_CMD)) { | |
1455 | /* TODO for each nested */ | |
1456 | memset(commands, 0, sizeof(commands)); | |
1457 | commands[7] = key->key->cmd_frame_ids; | |
1458 | if (nla_put(msg, NL802154_KEY_ATTR_USAGE_CMDS, | |
1459 | sizeof(commands), commands)) | |
1460 | goto nla_put_failure; | |
1461 | } | |
1462 | ||
1463 | if (nla_put(msg, NL802154_KEY_ATTR_BYTES, NL802154_KEY_SIZE, | |
1464 | key->key->key)) | |
1465 | goto nla_put_failure; | |
1466 | ||
1467 | nla_nest_end(msg, nl_key); | |
1468 | genlmsg_end(msg, hdr); | |
1469 | ||
1470 | return 0; | |
1471 | ||
1472 | nla_put_failure: | |
1473 | genlmsg_cancel(msg, hdr); | |
1474 | return -EMSGSIZE; | |
1475 | } | |
1476 | ||
1477 | static int | |
1478 | nl802154_dump_llsec_key(struct sk_buff *skb, struct netlink_callback *cb) | |
1479 | { | |
1480 | struct cfg802154_registered_device *rdev = NULL; | |
1481 | struct ieee802154_llsec_key_entry *key; | |
1482 | struct ieee802154_llsec_table *table; | |
1483 | struct wpan_dev *wpan_dev; | |
1484 | int err; | |
1485 | ||
1486 | err = nl802154_prepare_wpan_dev_dump(skb, cb, &rdev, &wpan_dev); | |
1487 | if (err) | |
1488 | return err; | |
1489 | ||
1490 | if (!wpan_dev->netdev) { | |
1491 | err = -EINVAL; | |
1492 | goto out_err; | |
1493 | } | |
1494 | ||
1495 | rdev_lock_llsec_table(rdev, wpan_dev); | |
1496 | rdev_get_llsec_table(rdev, wpan_dev, &table); | |
1497 | ||
1498 | /* TODO make it like station dump */ | |
1499 | if (cb->args[2]) | |
1500 | goto out; | |
1501 | ||
1502 | list_for_each_entry(key, &table->keys, list) { | |
1503 | if (nl802154_send_key(skb, NL802154_CMD_NEW_SEC_KEY, | |
1504 | NETLINK_CB(cb->skb).portid, | |
1505 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
1506 | rdev, wpan_dev->netdev, key) < 0) { | |
1507 | /* TODO */ | |
1508 | err = -EIO; | |
1509 | rdev_unlock_llsec_table(rdev, wpan_dev); | |
1510 | goto out_err; | |
79fe1a2a AA |
1511 | } |
1512 | } | |
1513 | ||
a26c5fd7 AA |
1514 | cb->args[2] = 1; |
1515 | ||
1516 | out: | |
1517 | rdev_unlock_llsec_table(rdev, wpan_dev); | |
1518 | err = skb->len; | |
1519 | out_err: | |
1520 | nl802154_finish_wpan_dev_dump(rdev); | |
1521 | ||
1522 | return err; | |
79fe1a2a AA |
1523 | } |
1524 | ||
a26c5fd7 AA |
1525 | static const struct nla_policy nl802154_key_policy[NL802154_KEY_ATTR_MAX + 1] = { |
1526 | [NL802154_KEY_ATTR_ID] = { NLA_NESTED }, | |
1527 | /* TODO handle it as for_each_nested and NLA_FLAG? */ | |
1528 | [NL802154_KEY_ATTR_USAGE_FRAMES] = { NLA_U8 }, | |
1529 | /* TODO handle it as for_each_nested, not static array? */ | |
1530 | [NL802154_KEY_ATTR_USAGE_CMDS] = { .len = NL802154_CMD_FRAME_NR_IDS / 8 }, | |
1531 | [NL802154_KEY_ATTR_BYTES] = { .len = NL802154_KEY_SIZE }, | |
1532 | }; | |
1533 | ||
1534 | static int nl802154_add_llsec_key(struct sk_buff *skb, struct genl_info *info) | |
1535 | { | |
1536 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
1537 | struct net_device *dev = info->user_ptr[1]; | |
1538 | struct wpan_dev *wpan_dev = dev->ieee802154_ptr; | |
1539 | struct nlattr *attrs[NL802154_KEY_ATTR_MAX + 1]; | |
1540 | struct ieee802154_llsec_key key = { }; | |
1541 | struct ieee802154_llsec_key_id id = { }; | |
1542 | u32 commands[NL802154_CMD_FRAME_NR_IDS / 32] = { }; | |
1543 | ||
1544 | if (nla_parse_nested(attrs, NL802154_KEY_ATTR_MAX, | |
1545 | info->attrs[NL802154_ATTR_SEC_KEY], | |
1546 | nl802154_key_policy)) | |
1547 | return -EINVAL; | |
1548 | ||
1549 | if (!attrs[NL802154_KEY_ATTR_USAGE_FRAMES] || | |
1550 | !attrs[NL802154_KEY_ATTR_BYTES]) | |
aa655562 | 1551 | return -EINVAL; |
a26c5fd7 AA |
1552 | |
1553 | if (ieee802154_llsec_parse_key_id(attrs[NL802154_KEY_ATTR_ID], &id) < 0) | |
1554 | return -ENOBUFS; | |
1555 | ||
1556 | key.frame_types = nla_get_u8(attrs[NL802154_KEY_ATTR_USAGE_FRAMES]); | |
1557 | if (key.frame_types > BIT(NL802154_FRAME_MAX) || | |
1558 | ((key.frame_types & BIT(NL802154_FRAME_CMD)) && | |
1559 | !attrs[NL802154_KEY_ATTR_USAGE_CMDS])) | |
1560 | return -EINVAL; | |
1561 | ||
1562 | if (attrs[NL802154_KEY_ATTR_USAGE_CMDS]) { | |
1563 | /* TODO for each nested */ | |
1564 | nla_memcpy(commands, attrs[NL802154_KEY_ATTR_USAGE_CMDS], | |
1565 | NL802154_CMD_FRAME_NR_IDS / 8); | |
1566 | ||
1567 | /* TODO understand the -EINVAL logic here? last condition */ | |
1568 | if (commands[0] || commands[1] || commands[2] || commands[3] || | |
1569 | commands[4] || commands[5] || commands[6] || | |
1570 | commands[7] > BIT(NL802154_CMD_FRAME_MAX)) | |
1571 | return -EINVAL; | |
1572 | ||
1573 | key.cmd_frame_ids = commands[7]; | |
1574 | } else { | |
1575 | key.cmd_frame_ids = 0; | |
1576 | } | |
1577 | ||
1578 | nla_memcpy(key.key, attrs[NL802154_KEY_ATTR_BYTES], NL802154_KEY_SIZE); | |
1579 | ||
1580 | if (ieee802154_llsec_parse_key_id(attrs[NL802154_KEY_ATTR_ID], &id) < 0) | |
1581 | return -ENOBUFS; | |
1582 | ||
1583 | return rdev_add_llsec_key(rdev, wpan_dev, &id, &key); | |
1584 | } | |
1585 | ||
1586 | static int nl802154_del_llsec_key(struct sk_buff *skb, struct genl_info *info) | |
1587 | { | |
1588 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
1589 | struct net_device *dev = info->user_ptr[1]; | |
1590 | struct wpan_dev *wpan_dev = dev->ieee802154_ptr; | |
1591 | struct nlattr *attrs[NL802154_KEY_ATTR_MAX + 1]; | |
1592 | struct ieee802154_llsec_key_id id; | |
1593 | ||
1594 | if (nla_parse_nested(attrs, NL802154_KEY_ATTR_MAX, | |
1595 | info->attrs[NL802154_ATTR_SEC_KEY], | |
1596 | nl802154_key_policy)) | |
1597 | return -EINVAL; | |
1598 | ||
1599 | if (ieee802154_llsec_parse_key_id(attrs[NL802154_KEY_ATTR_ID], &id) < 0) | |
1600 | return -ENOBUFS; | |
1601 | ||
1602 | return rdev_del_llsec_key(rdev, wpan_dev, &id); | |
1603 | } | |
1604 | ||
1605 | static int nl802154_send_device(struct sk_buff *msg, u32 cmd, u32 portid, | |
1606 | u32 seq, int flags, | |
1607 | struct cfg802154_registered_device *rdev, | |
1608 | struct net_device *dev, | |
1609 | const struct ieee802154_llsec_device *dev_desc) | |
1610 | { | |
1611 | void *hdr; | |
1612 | struct nlattr *nl_device; | |
1613 | ||
1614 | hdr = nl802154hdr_put(msg, portid, seq, flags, cmd); | |
1615 | if (!hdr) | |
1616 | return -1; | |
1617 | ||
1618 | if (nla_put_u32(msg, NL802154_ATTR_IFINDEX, dev->ifindex)) | |
1619 | goto nla_put_failure; | |
1620 | ||
1621 | nl_device = nla_nest_start(msg, NL802154_ATTR_SEC_DEVICE); | |
1622 | if (!nl_device) | |
1623 | goto nla_put_failure; | |
1624 | ||
1625 | if (nla_put_u32(msg, NL802154_DEV_ATTR_FRAME_COUNTER, | |
1626 | dev_desc->frame_counter) || | |
1627 | nla_put_le16(msg, NL802154_DEV_ATTR_PAN_ID, dev_desc->pan_id) || | |
1628 | nla_put_le16(msg, NL802154_DEV_ATTR_SHORT_ADDR, | |
1629 | dev_desc->short_addr) || | |
1630 | nla_put_le64(msg, NL802154_DEV_ATTR_EXTENDED_ADDR, | |
e7479122 | 1631 | dev_desc->hwaddr, NL802154_DEV_ATTR_PAD) || |
a26c5fd7 AA |
1632 | nla_put_u8(msg, NL802154_DEV_ATTR_SECLEVEL_EXEMPT, |
1633 | dev_desc->seclevel_exempt) || | |
1634 | nla_put_u32(msg, NL802154_DEV_ATTR_KEY_MODE, dev_desc->key_mode)) | |
1635 | goto nla_put_failure; | |
1636 | ||
1637 | nla_nest_end(msg, nl_device); | |
1638 | genlmsg_end(msg, hdr); | |
1639 | ||
1640 | return 0; | |
1641 | ||
1642 | nla_put_failure: | |
1643 | genlmsg_cancel(msg, hdr); | |
1644 | return -EMSGSIZE; | |
1645 | } | |
1646 | ||
1647 | static int | |
1648 | nl802154_dump_llsec_dev(struct sk_buff *skb, struct netlink_callback *cb) | |
1649 | { | |
1650 | struct cfg802154_registered_device *rdev = NULL; | |
1651 | struct ieee802154_llsec_device *dev; | |
1652 | struct ieee802154_llsec_table *table; | |
1653 | struct wpan_dev *wpan_dev; | |
1654 | int err; | |
1655 | ||
1656 | err = nl802154_prepare_wpan_dev_dump(skb, cb, &rdev, &wpan_dev); | |
1657 | if (err) | |
1658 | return err; | |
1659 | ||
1660 | if (!wpan_dev->netdev) { | |
1661 | err = -EINVAL; | |
1662 | goto out_err; | |
1663 | } | |
1664 | ||
1665 | rdev_lock_llsec_table(rdev, wpan_dev); | |
1666 | rdev_get_llsec_table(rdev, wpan_dev, &table); | |
1667 | ||
1668 | /* TODO make it like station dump */ | |
1669 | if (cb->args[2]) | |
1670 | goto out; | |
1671 | ||
1672 | list_for_each_entry(dev, &table->devices, list) { | |
1673 | if (nl802154_send_device(skb, NL802154_CMD_NEW_SEC_LEVEL, | |
1674 | NETLINK_CB(cb->skb).portid, | |
1675 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
1676 | rdev, wpan_dev->netdev, dev) < 0) { | |
1677 | /* TODO */ | |
1678 | err = -EIO; | |
1679 | rdev_unlock_llsec_table(rdev, wpan_dev); | |
1680 | goto out_err; | |
1681 | } | |
1682 | } | |
1683 | ||
1684 | cb->args[2] = 1; | |
1685 | ||
1686 | out: | |
1687 | rdev_unlock_llsec_table(rdev, wpan_dev); | |
1688 | err = skb->len; | |
1689 | out_err: | |
1690 | nl802154_finish_wpan_dev_dump(rdev); | |
1691 | ||
1692 | return err; | |
1693 | } | |
1694 | ||
1695 | static const struct nla_policy nl802154_dev_policy[NL802154_DEV_ATTR_MAX + 1] = { | |
1696 | [NL802154_DEV_ATTR_FRAME_COUNTER] = { NLA_U32 }, | |
1697 | [NL802154_DEV_ATTR_PAN_ID] = { .type = NLA_U16 }, | |
1698 | [NL802154_DEV_ATTR_SHORT_ADDR] = { .type = NLA_U16 }, | |
1699 | [NL802154_DEV_ATTR_EXTENDED_ADDR] = { .type = NLA_U64 }, | |
1700 | [NL802154_DEV_ATTR_SECLEVEL_EXEMPT] = { NLA_U8 }, | |
1701 | [NL802154_DEV_ATTR_KEY_MODE] = { NLA_U32 }, | |
1702 | }; | |
1703 | ||
1704 | static int | |
1705 | ieee802154_llsec_parse_device(struct nlattr *nla, | |
1706 | struct ieee802154_llsec_device *dev) | |
1707 | { | |
1708 | struct nlattr *attrs[NL802154_DEV_ATTR_MAX + 1]; | |
1709 | ||
1710 | if (!nla || nla_parse_nested(attrs, NL802154_DEV_ATTR_MAX, nla, | |
1711 | nl802154_dev_policy)) | |
1712 | return -EINVAL; | |
1713 | ||
1714 | memset(dev, 0, sizeof(*dev)); | |
1715 | ||
1716 | if (!attrs[NL802154_DEV_ATTR_FRAME_COUNTER] || | |
1717 | !attrs[NL802154_DEV_ATTR_PAN_ID] || | |
1718 | !attrs[NL802154_DEV_ATTR_SHORT_ADDR] || | |
1719 | !attrs[NL802154_DEV_ATTR_EXTENDED_ADDR] || | |
1720 | !attrs[NL802154_DEV_ATTR_SECLEVEL_EXEMPT] || | |
1721 | !attrs[NL802154_DEV_ATTR_KEY_MODE]) | |
1722 | return -EINVAL; | |
1723 | ||
1724 | /* TODO be32 */ | |
1725 | dev->frame_counter = nla_get_u32(attrs[NL802154_DEV_ATTR_FRAME_COUNTER]); | |
1726 | dev->pan_id = nla_get_le16(attrs[NL802154_DEV_ATTR_PAN_ID]); | |
1727 | dev->short_addr = nla_get_le16(attrs[NL802154_DEV_ATTR_SHORT_ADDR]); | |
1728 | /* TODO rename hwaddr to extended_addr */ | |
1729 | dev->hwaddr = nla_get_le64(attrs[NL802154_DEV_ATTR_EXTENDED_ADDR]); | |
1730 | dev->seclevel_exempt = nla_get_u8(attrs[NL802154_DEV_ATTR_SECLEVEL_EXEMPT]); | |
1731 | dev->key_mode = nla_get_u32(attrs[NL802154_DEV_ATTR_KEY_MODE]); | |
1732 | ||
1733 | if (dev->key_mode > NL802154_DEVKEY_MAX || | |
1734 | (dev->seclevel_exempt != 0 && dev->seclevel_exempt != 1)) | |
1735 | return -EINVAL; | |
1736 | ||
1737 | return 0; | |
1738 | } | |
1739 | ||
1740 | static int nl802154_add_llsec_dev(struct sk_buff *skb, struct genl_info *info) | |
1741 | { | |
1742 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
1743 | struct net_device *dev = info->user_ptr[1]; | |
1744 | struct wpan_dev *wpan_dev = dev->ieee802154_ptr; | |
1745 | struct ieee802154_llsec_device dev_desc; | |
1746 | ||
1747 | if (ieee802154_llsec_parse_device(info->attrs[NL802154_ATTR_SEC_DEVICE], | |
1748 | &dev_desc) < 0) | |
1749 | return -EINVAL; | |
1750 | ||
1751 | return rdev_add_device(rdev, wpan_dev, &dev_desc); | |
1752 | } | |
1753 | ||
1754 | static int nl802154_del_llsec_dev(struct sk_buff *skb, struct genl_info *info) | |
1755 | { | |
1756 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
1757 | struct net_device *dev = info->user_ptr[1]; | |
1758 | struct wpan_dev *wpan_dev = dev->ieee802154_ptr; | |
1759 | struct nlattr *attrs[NL802154_DEV_ATTR_MAX + 1]; | |
1760 | __le64 extended_addr; | |
1761 | ||
1762 | if (nla_parse_nested(attrs, NL802154_DEV_ATTR_MAX, | |
1763 | info->attrs[NL802154_ATTR_SEC_DEVICE], | |
1764 | nl802154_dev_policy)) | |
1765 | return -EINVAL; | |
1766 | ||
1767 | if (!attrs[NL802154_DEV_ATTR_EXTENDED_ADDR]) | |
1768 | return -EINVAL; | |
1769 | ||
1770 | extended_addr = nla_get_le64(attrs[NL802154_DEV_ATTR_EXTENDED_ADDR]); | |
1771 | return rdev_del_device(rdev, wpan_dev, extended_addr); | |
1772 | } | |
1773 | ||
1774 | static int nl802154_send_devkey(struct sk_buff *msg, u32 cmd, u32 portid, | |
1775 | u32 seq, int flags, | |
1776 | struct cfg802154_registered_device *rdev, | |
1777 | struct net_device *dev, __le64 extended_addr, | |
1778 | const struct ieee802154_llsec_device_key *devkey) | |
1779 | { | |
1780 | void *hdr; | |
1781 | struct nlattr *nl_devkey, *nl_key_id; | |
1782 | ||
1783 | hdr = nl802154hdr_put(msg, portid, seq, flags, cmd); | |
1784 | if (!hdr) | |
1785 | return -1; | |
1786 | ||
1787 | if (nla_put_u32(msg, NL802154_ATTR_IFINDEX, dev->ifindex)) | |
1788 | goto nla_put_failure; | |
1789 | ||
1790 | nl_devkey = nla_nest_start(msg, NL802154_ATTR_SEC_DEVKEY); | |
1791 | if (!nl_devkey) | |
1792 | goto nla_put_failure; | |
1793 | ||
1794 | if (nla_put_le64(msg, NL802154_DEVKEY_ATTR_EXTENDED_ADDR, | |
e7479122 | 1795 | extended_addr, NL802154_DEVKEY_ATTR_PAD) || |
a26c5fd7 AA |
1796 | nla_put_u32(msg, NL802154_DEVKEY_ATTR_FRAME_COUNTER, |
1797 | devkey->frame_counter)) | |
1798 | goto nla_put_failure; | |
1799 | ||
1800 | nl_key_id = nla_nest_start(msg, NL802154_DEVKEY_ATTR_ID); | |
1801 | if (!nl_key_id) | |
1802 | goto nla_put_failure; | |
1803 | ||
1804 | if (ieee802154_llsec_send_key_id(msg, &devkey->key_id) < 0) | |
1805 | goto nla_put_failure; | |
1806 | ||
1807 | nla_nest_end(msg, nl_key_id); | |
1808 | nla_nest_end(msg, nl_devkey); | |
1809 | genlmsg_end(msg, hdr); | |
1810 | ||
1811 | return 0; | |
1812 | ||
1813 | nla_put_failure: | |
1814 | genlmsg_cancel(msg, hdr); | |
1815 | return -EMSGSIZE; | |
1816 | } | |
1817 | ||
1818 | static int | |
1819 | nl802154_dump_llsec_devkey(struct sk_buff *skb, struct netlink_callback *cb) | |
1820 | { | |
1821 | struct cfg802154_registered_device *rdev = NULL; | |
1822 | struct ieee802154_llsec_device_key *kpos; | |
1823 | struct ieee802154_llsec_device *dpos; | |
1824 | struct ieee802154_llsec_table *table; | |
1825 | struct wpan_dev *wpan_dev; | |
1826 | int err; | |
1827 | ||
1828 | err = nl802154_prepare_wpan_dev_dump(skb, cb, &rdev, &wpan_dev); | |
1829 | if (err) | |
1830 | return err; | |
1831 | ||
1832 | if (!wpan_dev->netdev) { | |
1833 | err = -EINVAL; | |
1834 | goto out_err; | |
1835 | } | |
1836 | ||
1837 | rdev_lock_llsec_table(rdev, wpan_dev); | |
1838 | rdev_get_llsec_table(rdev, wpan_dev, &table); | |
1839 | ||
1840 | /* TODO make it like station dump */ | |
1841 | if (cb->args[2]) | |
1842 | goto out; | |
1843 | ||
1844 | /* TODO look if remove devkey and do some nested attribute */ | |
1845 | list_for_each_entry(dpos, &table->devices, list) { | |
1846 | list_for_each_entry(kpos, &dpos->keys, list) { | |
1847 | if (nl802154_send_devkey(skb, | |
1848 | NL802154_CMD_NEW_SEC_LEVEL, | |
1849 | NETLINK_CB(cb->skb).portid, | |
1850 | cb->nlh->nlmsg_seq, | |
1851 | NLM_F_MULTI, rdev, | |
1852 | wpan_dev->netdev, | |
1853 | dpos->hwaddr, | |
1854 | kpos) < 0) { | |
1855 | /* TODO */ | |
1856 | err = -EIO; | |
1857 | rdev_unlock_llsec_table(rdev, wpan_dev); | |
1858 | goto out_err; | |
1859 | } | |
1860 | } | |
1861 | } | |
1862 | ||
1863 | cb->args[2] = 1; | |
1864 | ||
1865 | out: | |
1866 | rdev_unlock_llsec_table(rdev, wpan_dev); | |
1867 | err = skb->len; | |
1868 | out_err: | |
1869 | nl802154_finish_wpan_dev_dump(rdev); | |
1870 | ||
1871 | return err; | |
1872 | } | |
1873 | ||
1874 | static const struct nla_policy nl802154_devkey_policy[NL802154_DEVKEY_ATTR_MAX + 1] = { | |
1875 | [NL802154_DEVKEY_ATTR_FRAME_COUNTER] = { NLA_U32 }, | |
1876 | [NL802154_DEVKEY_ATTR_EXTENDED_ADDR] = { NLA_U64 }, | |
1877 | [NL802154_DEVKEY_ATTR_ID] = { NLA_NESTED }, | |
1878 | }; | |
1879 | ||
1880 | static int nl802154_add_llsec_devkey(struct sk_buff *skb, struct genl_info *info) | |
1881 | { | |
1882 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
1883 | struct net_device *dev = info->user_ptr[1]; | |
1884 | struct wpan_dev *wpan_dev = dev->ieee802154_ptr; | |
1885 | struct nlattr *attrs[NL802154_DEVKEY_ATTR_MAX + 1]; | |
1886 | struct ieee802154_llsec_device_key key; | |
1887 | __le64 extended_addr; | |
1888 | ||
1889 | if (!info->attrs[NL802154_ATTR_SEC_DEVKEY] || | |
1890 | nla_parse_nested(attrs, NL802154_DEVKEY_ATTR_MAX, | |
1891 | info->attrs[NL802154_ATTR_SEC_DEVKEY], | |
1892 | nl802154_devkey_policy) < 0) | |
1893 | return -EINVAL; | |
1894 | ||
1895 | if (!attrs[NL802154_DEVKEY_ATTR_FRAME_COUNTER] || | |
1896 | !attrs[NL802154_DEVKEY_ATTR_EXTENDED_ADDR]) | |
1897 | return -EINVAL; | |
1898 | ||
1899 | /* TODO change key.id ? */ | |
1900 | if (ieee802154_llsec_parse_key_id(attrs[NL802154_DEVKEY_ATTR_ID], | |
1901 | &key.key_id) < 0) | |
1902 | return -ENOBUFS; | |
1903 | ||
1904 | /* TODO be32 */ | |
1905 | key.frame_counter = nla_get_u32(attrs[NL802154_DEVKEY_ATTR_FRAME_COUNTER]); | |
1906 | /* TODO change naming hwaddr -> extended_addr | |
1907 | * check unique identifier short+pan OR extended_addr | |
1908 | */ | |
1909 | extended_addr = nla_get_le64(attrs[NL802154_DEVKEY_ATTR_EXTENDED_ADDR]); | |
1910 | return rdev_add_devkey(rdev, wpan_dev, extended_addr, &key); | |
1911 | } | |
1912 | ||
1913 | static int nl802154_del_llsec_devkey(struct sk_buff *skb, struct genl_info *info) | |
1914 | { | |
1915 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
1916 | struct net_device *dev = info->user_ptr[1]; | |
1917 | struct wpan_dev *wpan_dev = dev->ieee802154_ptr; | |
1918 | struct nlattr *attrs[NL802154_DEVKEY_ATTR_MAX + 1]; | |
1919 | struct ieee802154_llsec_device_key key; | |
1920 | __le64 extended_addr; | |
1921 | ||
1922 | if (nla_parse_nested(attrs, NL802154_DEVKEY_ATTR_MAX, | |
1923 | info->attrs[NL802154_ATTR_SEC_DEVKEY], | |
1924 | nl802154_devkey_policy)) | |
1925 | return -EINVAL; | |
1926 | ||
1927 | if (!attrs[NL802154_DEVKEY_ATTR_EXTENDED_ADDR]) | |
1928 | return -EINVAL; | |
1929 | ||
1930 | /* TODO change key.id ? */ | |
1931 | if (ieee802154_llsec_parse_key_id(attrs[NL802154_DEVKEY_ATTR_ID], | |
1932 | &key.key_id) < 0) | |
1933 | return -ENOBUFS; | |
1934 | ||
1935 | /* TODO change naming hwaddr -> extended_addr | |
1936 | * check unique identifier short+pan OR extended_addr | |
1937 | */ | |
1938 | extended_addr = nla_get_le64(attrs[NL802154_DEVKEY_ATTR_EXTENDED_ADDR]); | |
1939 | return rdev_del_devkey(rdev, wpan_dev, extended_addr, &key); | |
1940 | } | |
1941 | ||
1942 | static int nl802154_send_seclevel(struct sk_buff *msg, u32 cmd, u32 portid, | |
1943 | u32 seq, int flags, | |
1944 | struct cfg802154_registered_device *rdev, | |
1945 | struct net_device *dev, | |
1946 | const struct ieee802154_llsec_seclevel *sl) | |
1947 | { | |
1948 | void *hdr; | |
1949 | struct nlattr *nl_seclevel; | |
1950 | ||
1951 | hdr = nl802154hdr_put(msg, portid, seq, flags, cmd); | |
1952 | if (!hdr) | |
1953 | return -1; | |
1954 | ||
1955 | if (nla_put_u32(msg, NL802154_ATTR_IFINDEX, dev->ifindex)) | |
1956 | goto nla_put_failure; | |
1957 | ||
1958 | nl_seclevel = nla_nest_start(msg, NL802154_ATTR_SEC_LEVEL); | |
1959 | if (!nl_seclevel) | |
1960 | goto nla_put_failure; | |
1961 | ||
1962 | if (nla_put_u32(msg, NL802154_SECLEVEL_ATTR_FRAME, sl->frame_type) || | |
1963 | nla_put_u32(msg, NL802154_SECLEVEL_ATTR_LEVELS, sl->sec_levels) || | |
1964 | nla_put_u8(msg, NL802154_SECLEVEL_ATTR_DEV_OVERRIDE, | |
1965 | sl->device_override)) | |
1966 | goto nla_put_failure; | |
1967 | ||
1968 | if (sl->frame_type == NL802154_FRAME_CMD) { | |
1969 | if (nla_put_u32(msg, NL802154_SECLEVEL_ATTR_CMD_FRAME, | |
1970 | sl->cmd_frame_id)) | |
1971 | goto nla_put_failure; | |
1972 | } | |
1973 | ||
1974 | nla_nest_end(msg, nl_seclevel); | |
1975 | genlmsg_end(msg, hdr); | |
1976 | ||
1977 | return 0; | |
1978 | ||
1979 | nla_put_failure: | |
1980 | genlmsg_cancel(msg, hdr); | |
1981 | return -EMSGSIZE; | |
1982 | } | |
1983 | ||
1984 | static int | |
1985 | nl802154_dump_llsec_seclevel(struct sk_buff *skb, struct netlink_callback *cb) | |
1986 | { | |
1987 | struct cfg802154_registered_device *rdev = NULL; | |
1988 | struct ieee802154_llsec_seclevel *sl; | |
1989 | struct ieee802154_llsec_table *table; | |
1990 | struct wpan_dev *wpan_dev; | |
1991 | int err; | |
1992 | ||
1993 | err = nl802154_prepare_wpan_dev_dump(skb, cb, &rdev, &wpan_dev); | |
1994 | if (err) | |
1995 | return err; | |
1996 | ||
1997 | if (!wpan_dev->netdev) { | |
1998 | err = -EINVAL; | |
1999 | goto out_err; | |
2000 | } | |
2001 | ||
2002 | rdev_lock_llsec_table(rdev, wpan_dev); | |
2003 | rdev_get_llsec_table(rdev, wpan_dev, &table); | |
2004 | ||
2005 | /* TODO make it like station dump */ | |
2006 | if (cb->args[2]) | |
2007 | goto out; | |
2008 | ||
2009 | list_for_each_entry(sl, &table->security_levels, list) { | |
2010 | if (nl802154_send_seclevel(skb, NL802154_CMD_NEW_SEC_LEVEL, | |
2011 | NETLINK_CB(cb->skb).portid, | |
2012 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
2013 | rdev, wpan_dev->netdev, sl) < 0) { | |
2014 | /* TODO */ | |
2015 | err = -EIO; | |
2016 | rdev_unlock_llsec_table(rdev, wpan_dev); | |
2017 | goto out_err; | |
2018 | } | |
2019 | } | |
2020 | ||
2021 | cb->args[2] = 1; | |
2022 | ||
2023 | out: | |
2024 | rdev_unlock_llsec_table(rdev, wpan_dev); | |
2025 | err = skb->len; | |
2026 | out_err: | |
2027 | nl802154_finish_wpan_dev_dump(rdev); | |
2028 | ||
2029 | return err; | |
2030 | } | |
2031 | ||
2032 | static const struct nla_policy nl802154_seclevel_policy[NL802154_SECLEVEL_ATTR_MAX + 1] = { | |
2033 | [NL802154_SECLEVEL_ATTR_LEVELS] = { .type = NLA_U8 }, | |
2034 | [NL802154_SECLEVEL_ATTR_FRAME] = { .type = NLA_U32 }, | |
2035 | [NL802154_SECLEVEL_ATTR_CMD_FRAME] = { .type = NLA_U32 }, | |
2036 | [NL802154_SECLEVEL_ATTR_DEV_OVERRIDE] = { .type = NLA_U8 }, | |
2037 | }; | |
2038 | ||
2039 | static int | |
2040 | llsec_parse_seclevel(struct nlattr *nla, struct ieee802154_llsec_seclevel *sl) | |
2041 | { | |
2042 | struct nlattr *attrs[NL802154_SECLEVEL_ATTR_MAX + 1]; | |
2043 | ||
2044 | if (!nla || nla_parse_nested(attrs, NL802154_SECLEVEL_ATTR_MAX, nla, | |
2045 | nl802154_seclevel_policy)) | |
2046 | return -EINVAL; | |
2047 | ||
2048 | memset(sl, 0, sizeof(*sl)); | |
2049 | ||
2050 | if (!attrs[NL802154_SECLEVEL_ATTR_LEVELS] || | |
2051 | !attrs[NL802154_SECLEVEL_ATTR_FRAME] || | |
2052 | !attrs[NL802154_SECLEVEL_ATTR_DEV_OVERRIDE]) | |
2053 | return -EINVAL; | |
2054 | ||
2055 | sl->sec_levels = nla_get_u8(attrs[NL802154_SECLEVEL_ATTR_LEVELS]); | |
2056 | sl->frame_type = nla_get_u32(attrs[NL802154_SECLEVEL_ATTR_FRAME]); | |
2057 | sl->device_override = nla_get_u8(attrs[NL802154_SECLEVEL_ATTR_DEV_OVERRIDE]); | |
2058 | if (sl->frame_type > NL802154_FRAME_MAX || | |
2059 | (sl->device_override != 0 && sl->device_override != 1)) | |
2060 | return -EINVAL; | |
2061 | ||
2062 | if (sl->frame_type == NL802154_FRAME_CMD) { | |
2063 | if (!attrs[NL802154_SECLEVEL_ATTR_CMD_FRAME]) | |
2064 | return -EINVAL; | |
2065 | ||
2066 | sl->cmd_frame_id = nla_get_u32(attrs[NL802154_SECLEVEL_ATTR_CMD_FRAME]); | |
2067 | if (sl->cmd_frame_id > NL802154_CMD_FRAME_MAX) | |
2068 | return -EINVAL; | |
2069 | } | |
2070 | ||
2071 | return 0; | |
2072 | } | |
2073 | ||
2074 | static int nl802154_add_llsec_seclevel(struct sk_buff *skb, | |
2075 | struct genl_info *info) | |
2076 | { | |
2077 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
2078 | struct net_device *dev = info->user_ptr[1]; | |
2079 | struct wpan_dev *wpan_dev = dev->ieee802154_ptr; | |
2080 | struct ieee802154_llsec_seclevel sl; | |
2081 | ||
2082 | if (llsec_parse_seclevel(info->attrs[NL802154_ATTR_SEC_LEVEL], | |
2083 | &sl) < 0) | |
2084 | return -EINVAL; | |
2085 | ||
2086 | return rdev_add_seclevel(rdev, wpan_dev, &sl); | |
2087 | } | |
2088 | ||
2089 | static int nl802154_del_llsec_seclevel(struct sk_buff *skb, | |
2090 | struct genl_info *info) | |
2091 | { | |
2092 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
2093 | struct net_device *dev = info->user_ptr[1]; | |
2094 | struct wpan_dev *wpan_dev = dev->ieee802154_ptr; | |
2095 | struct ieee802154_llsec_seclevel sl; | |
2096 | ||
2097 | if (!info->attrs[NL802154_ATTR_SEC_LEVEL] || | |
2098 | llsec_parse_seclevel(info->attrs[NL802154_ATTR_SEC_LEVEL], | |
2099 | &sl) < 0) | |
2100 | return -EINVAL; | |
2101 | ||
2102 | return rdev_del_seclevel(rdev, wpan_dev, &sl); | |
2103 | } | |
2104 | #endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */ | |
2105 | ||
2106 | #define NL802154_FLAG_NEED_WPAN_PHY 0x01 | |
2107 | #define NL802154_FLAG_NEED_NETDEV 0x02 | |
2108 | #define NL802154_FLAG_NEED_RTNL 0x04 | |
2109 | #define NL802154_FLAG_CHECK_NETDEV_UP 0x08 | |
2110 | #define NL802154_FLAG_NEED_NETDEV_UP (NL802154_FLAG_NEED_NETDEV |\ | |
2111 | NL802154_FLAG_CHECK_NETDEV_UP) | |
2112 | #define NL802154_FLAG_NEED_WPAN_DEV 0x10 | |
2113 | #define NL802154_FLAG_NEED_WPAN_DEV_UP (NL802154_FLAG_NEED_WPAN_DEV |\ | |
2114 | NL802154_FLAG_CHECK_NETDEV_UP) | |
2115 | ||
2116 | static int nl802154_pre_doit(const struct genl_ops *ops, struct sk_buff *skb, | |
2117 | struct genl_info *info) | |
2118 | { | |
2119 | struct cfg802154_registered_device *rdev; | |
2120 | struct wpan_dev *wpan_dev; | |
2121 | struct net_device *dev; | |
2122 | bool rtnl = ops->internal_flags & NL802154_FLAG_NEED_RTNL; | |
2123 | ||
2124 | if (rtnl) | |
2125 | rtnl_lock(); | |
2126 | ||
2127 | if (ops->internal_flags & NL802154_FLAG_NEED_WPAN_PHY) { | |
2128 | rdev = cfg802154_get_dev_from_info(genl_info_net(info), info); | |
2129 | if (IS_ERR(rdev)) { | |
2130 | if (rtnl) | |
2131 | rtnl_unlock(); | |
2132 | return PTR_ERR(rdev); | |
2133 | } | |
2134 | info->user_ptr[0] = rdev; | |
2135 | } else if (ops->internal_flags & NL802154_FLAG_NEED_NETDEV || | |
2136 | ops->internal_flags & NL802154_FLAG_NEED_WPAN_DEV) { | |
2137 | ASSERT_RTNL(); | |
2138 | wpan_dev = __cfg802154_wpan_dev_from_attrs(genl_info_net(info), | |
2139 | info->attrs); | |
2140 | if (IS_ERR(wpan_dev)) { | |
2141 | if (rtnl) | |
2142 | rtnl_unlock(); | |
2143 | return PTR_ERR(wpan_dev); | |
2144 | } | |
2145 | ||
2146 | dev = wpan_dev->netdev; | |
2147 | rdev = wpan_phy_to_rdev(wpan_dev->wpan_phy); | |
2148 | ||
2149 | if (ops->internal_flags & NL802154_FLAG_NEED_NETDEV) { | |
2150 | if (!dev) { | |
2151 | if (rtnl) | |
2152 | rtnl_unlock(); | |
2153 | return -EINVAL; | |
2154 | } | |
2155 | ||
2156 | info->user_ptr[1] = dev; | |
2157 | } else { | |
2158 | info->user_ptr[1] = wpan_dev; | |
2159 | } | |
2160 | ||
2161 | if (dev) { | |
2162 | if (ops->internal_flags & NL802154_FLAG_CHECK_NETDEV_UP && | |
2163 | !netif_running(dev)) { | |
2164 | if (rtnl) | |
2165 | rtnl_unlock(); | |
2166 | return -ENETDOWN; | |
2167 | } | |
2168 | ||
2169 | dev_hold(dev); | |
2170 | } | |
2171 | ||
2172 | info->user_ptr[0] = rdev; | |
2173 | } | |
2174 | ||
2175 | return 0; | |
2176 | } | |
2177 | ||
2178 | static void nl802154_post_doit(const struct genl_ops *ops, struct sk_buff *skb, | |
2179 | struct genl_info *info) | |
2180 | { | |
2181 | if (info->user_ptr[1]) { | |
2182 | if (ops->internal_flags & NL802154_FLAG_NEED_WPAN_DEV) { | |
2183 | struct wpan_dev *wpan_dev = info->user_ptr[1]; | |
2184 | ||
2185 | if (wpan_dev->netdev) | |
2186 | dev_put(wpan_dev->netdev); | |
2187 | } else { | |
2188 | dev_put(info->user_ptr[1]); | |
2189 | } | |
2190 | } | |
2191 | ||
2192 | if (ops->internal_flags & NL802154_FLAG_NEED_RTNL) | |
2193 | rtnl_unlock(); | |
2194 | } | |
2195 | ||
2196 | static const struct genl_ops nl802154_ops[] = { | |
2197 | { | |
2198 | .cmd = NL802154_CMD_GET_WPAN_PHY, | |
2199 | .doit = nl802154_get_wpan_phy, | |
2200 | .dumpit = nl802154_dump_wpan_phy, | |
2201 | .done = nl802154_dump_wpan_phy_done, | |
2202 | .policy = nl802154_policy, | |
2203 | /* can be retrieved by unprivileged users */ | |
2204 | .internal_flags = NL802154_FLAG_NEED_WPAN_PHY | | |
2205 | NL802154_FLAG_NEED_RTNL, | |
2206 | }, | |
2207 | { | |
2208 | .cmd = NL802154_CMD_GET_INTERFACE, | |
2209 | .doit = nl802154_get_interface, | |
2210 | .dumpit = nl802154_dump_interface, | |
2211 | .policy = nl802154_policy, | |
2212 | /* can be retrieved by unprivileged users */ | |
2213 | .internal_flags = NL802154_FLAG_NEED_WPAN_DEV | | |
2214 | NL802154_FLAG_NEED_RTNL, | |
2215 | }, | |
2216 | { | |
2217 | .cmd = NL802154_CMD_NEW_INTERFACE, | |
2218 | .doit = nl802154_new_interface, | |
2219 | .policy = nl802154_policy, | |
2220 | .flags = GENL_ADMIN_PERM, | |
2221 | .internal_flags = NL802154_FLAG_NEED_WPAN_PHY | | |
f3ea5e44 AA |
2222 | NL802154_FLAG_NEED_RTNL, |
2223 | }, | |
b821ecd4 AA |
2224 | { |
2225 | .cmd = NL802154_CMD_DEL_INTERFACE, | |
2226 | .doit = nl802154_del_interface, | |
2227 | .policy = nl802154_policy, | |
2228 | .flags = GENL_ADMIN_PERM, | |
2229 | .internal_flags = NL802154_FLAG_NEED_WPAN_DEV | | |
2230 | NL802154_FLAG_NEED_RTNL, | |
2231 | }, | |
ab0bd561 AA |
2232 | { |
2233 | .cmd = NL802154_CMD_SET_CHANNEL, | |
2234 | .doit = nl802154_set_channel, | |
2235 | .policy = nl802154_policy, | |
2236 | .flags = GENL_ADMIN_PERM, | |
2237 | .internal_flags = NL802154_FLAG_NEED_WPAN_PHY | | |
2238 | NL802154_FLAG_NEED_RTNL, | |
2239 | }, | |
ba2a9506 AA |
2240 | { |
2241 | .cmd = NL802154_CMD_SET_CCA_MODE, | |
2242 | .doit = nl802154_set_cca_mode, | |
2243 | .policy = nl802154_policy, | |
2244 | .flags = GENL_ADMIN_PERM, | |
2245 | .internal_flags = NL802154_FLAG_NEED_WPAN_PHY | | |
2246 | NL802154_FLAG_NEED_RTNL, | |
2247 | }, | |
b69644c1 AA |
2248 | { |
2249 | .cmd = NL802154_CMD_SET_CCA_ED_LEVEL, | |
2250 | .doit = nl802154_set_cca_ed_level, | |
2251 | .policy = nl802154_policy, | |
2252 | .flags = GENL_ADMIN_PERM, | |
2253 | .internal_flags = NL802154_FLAG_NEED_WPAN_PHY | | |
2254 | NL802154_FLAG_NEED_RTNL, | |
2255 | }, | |
0f999b09 VB |
2256 | { |
2257 | .cmd = NL802154_CMD_SET_TX_POWER, | |
2258 | .doit = nl802154_set_tx_power, | |
2259 | .policy = nl802154_policy, | |
2260 | .flags = GENL_ADMIN_PERM, | |
2261 | .internal_flags = NL802154_FLAG_NEED_WPAN_PHY | | |
2262 | NL802154_FLAG_NEED_RTNL, | |
2263 | }, | |
702bf371 AA |
2264 | { |
2265 | .cmd = NL802154_CMD_SET_PAN_ID, | |
2266 | .doit = nl802154_set_pan_id, | |
2267 | .policy = nl802154_policy, | |
2268 | .flags = GENL_ADMIN_PERM, | |
2269 | .internal_flags = NL802154_FLAG_NEED_NETDEV | | |
2270 | NL802154_FLAG_NEED_RTNL, | |
2271 | }, | |
9830c62a AA |
2272 | { |
2273 | .cmd = NL802154_CMD_SET_SHORT_ADDR, | |
2274 | .doit = nl802154_set_short_addr, | |
2275 | .policy = nl802154_policy, | |
2276 | .flags = GENL_ADMIN_PERM, | |
2277 | .internal_flags = NL802154_FLAG_NEED_NETDEV | | |
2278 | NL802154_FLAG_NEED_RTNL, | |
2279 | }, | |
656a999e AA |
2280 | { |
2281 | .cmd = NL802154_CMD_SET_BACKOFF_EXPONENT, | |
2282 | .doit = nl802154_set_backoff_exponent, | |
2283 | .policy = nl802154_policy, | |
2284 | .flags = GENL_ADMIN_PERM, | |
2285 | .internal_flags = NL802154_FLAG_NEED_NETDEV | | |
2286 | NL802154_FLAG_NEED_RTNL, | |
2287 | }, | |
a01ba765 AA |
2288 | { |
2289 | .cmd = NL802154_CMD_SET_MAX_CSMA_BACKOFFS, | |
2290 | .doit = nl802154_set_max_csma_backoffs, | |
2291 | .policy = nl802154_policy, | |
2292 | .flags = GENL_ADMIN_PERM, | |
2293 | .internal_flags = NL802154_FLAG_NEED_NETDEV | | |
2294 | NL802154_FLAG_NEED_RTNL, | |
2295 | }, | |
17a3a46b AA |
2296 | { |
2297 | .cmd = NL802154_CMD_SET_MAX_FRAME_RETRIES, | |
2298 | .doit = nl802154_set_max_frame_retries, | |
2299 | .policy = nl802154_policy, | |
2300 | .flags = GENL_ADMIN_PERM, | |
2301 | .internal_flags = NL802154_FLAG_NEED_NETDEV | | |
2302 | NL802154_FLAG_NEED_RTNL, | |
2303 | }, | |
c8937a1d AA |
2304 | { |
2305 | .cmd = NL802154_CMD_SET_LBT_MODE, | |
2306 | .doit = nl802154_set_lbt_mode, | |
2307 | .policy = nl802154_policy, | |
2308 | .flags = GENL_ADMIN_PERM, | |
2309 | .internal_flags = NL802154_FLAG_NEED_NETDEV | | |
2310 | NL802154_FLAG_NEED_RTNL, | |
2311 | }, | |
c91208d8 AA |
2312 | { |
2313 | .cmd = NL802154_CMD_SET_ACKREQ_DEFAULT, | |
2314 | .doit = nl802154_set_ackreq_default, | |
2315 | .policy = nl802154_policy, | |
2316 | .flags = GENL_ADMIN_PERM, | |
2317 | .internal_flags = NL802154_FLAG_NEED_NETDEV | | |
2318 | NL802154_FLAG_NEED_RTNL, | |
2319 | }, | |
a26c5fd7 AA |
2320 | #ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL |
2321 | { | |
2322 | .cmd = NL802154_CMD_SET_SEC_PARAMS, | |
2323 | .doit = nl802154_set_llsec_params, | |
2324 | .policy = nl802154_policy, | |
2325 | .flags = GENL_ADMIN_PERM, | |
2326 | .internal_flags = NL802154_FLAG_NEED_NETDEV | | |
2327 | NL802154_FLAG_NEED_RTNL, | |
2328 | }, | |
2329 | { | |
2330 | .cmd = NL802154_CMD_GET_SEC_KEY, | |
2331 | /* TODO .doit by matching key id? */ | |
2332 | .dumpit = nl802154_dump_llsec_key, | |
2333 | .policy = nl802154_policy, | |
2334 | .flags = GENL_ADMIN_PERM, | |
2335 | .internal_flags = NL802154_FLAG_NEED_NETDEV | | |
2336 | NL802154_FLAG_NEED_RTNL, | |
2337 | }, | |
2338 | { | |
2339 | .cmd = NL802154_CMD_NEW_SEC_KEY, | |
2340 | .doit = nl802154_add_llsec_key, | |
2341 | .policy = nl802154_policy, | |
2342 | .flags = GENL_ADMIN_PERM, | |
2343 | .internal_flags = NL802154_FLAG_NEED_NETDEV | | |
2344 | NL802154_FLAG_NEED_RTNL, | |
2345 | }, | |
2346 | { | |
2347 | .cmd = NL802154_CMD_DEL_SEC_KEY, | |
2348 | .doit = nl802154_del_llsec_key, | |
2349 | .policy = nl802154_policy, | |
2350 | .flags = GENL_ADMIN_PERM, | |
2351 | .internal_flags = NL802154_FLAG_NEED_NETDEV | | |
2352 | NL802154_FLAG_NEED_RTNL, | |
2353 | }, | |
2354 | /* TODO unique identifier must short+pan OR extended_addr */ | |
2355 | { | |
2356 | .cmd = NL802154_CMD_GET_SEC_DEV, | |
2357 | /* TODO .doit by matching extended_addr? */ | |
2358 | .dumpit = nl802154_dump_llsec_dev, | |
2359 | .policy = nl802154_policy, | |
2360 | .flags = GENL_ADMIN_PERM, | |
2361 | .internal_flags = NL802154_FLAG_NEED_NETDEV | | |
2362 | NL802154_FLAG_NEED_RTNL, | |
2363 | }, | |
2364 | { | |
2365 | .cmd = NL802154_CMD_NEW_SEC_DEV, | |
2366 | .doit = nl802154_add_llsec_dev, | |
2367 | .policy = nl802154_policy, | |
2368 | .flags = GENL_ADMIN_PERM, | |
2369 | .internal_flags = NL802154_FLAG_NEED_NETDEV | | |
2370 | NL802154_FLAG_NEED_RTNL, | |
2371 | }, | |
2372 | { | |
2373 | .cmd = NL802154_CMD_DEL_SEC_DEV, | |
2374 | .doit = nl802154_del_llsec_dev, | |
2375 | .policy = nl802154_policy, | |
2376 | .flags = GENL_ADMIN_PERM, | |
2377 | .internal_flags = NL802154_FLAG_NEED_NETDEV | | |
2378 | NL802154_FLAG_NEED_RTNL, | |
2379 | }, | |
2380 | /* TODO remove complete devkey, put it as nested? */ | |
2381 | { | |
2382 | .cmd = NL802154_CMD_GET_SEC_DEVKEY, | |
2383 | /* TODO doit by matching ??? */ | |
2384 | .dumpit = nl802154_dump_llsec_devkey, | |
2385 | .policy = nl802154_policy, | |
2386 | .flags = GENL_ADMIN_PERM, | |
2387 | .internal_flags = NL802154_FLAG_NEED_NETDEV | | |
2388 | NL802154_FLAG_NEED_RTNL, | |
2389 | }, | |
2390 | { | |
2391 | .cmd = NL802154_CMD_NEW_SEC_DEVKEY, | |
2392 | .doit = nl802154_add_llsec_devkey, | |
2393 | .policy = nl802154_policy, | |
2394 | .flags = GENL_ADMIN_PERM, | |
2395 | .internal_flags = NL802154_FLAG_NEED_NETDEV | | |
2396 | NL802154_FLAG_NEED_RTNL, | |
2397 | }, | |
2398 | { | |
2399 | .cmd = NL802154_CMD_DEL_SEC_DEVKEY, | |
2400 | .doit = nl802154_del_llsec_devkey, | |
2401 | .policy = nl802154_policy, | |
2402 | .flags = GENL_ADMIN_PERM, | |
2403 | .internal_flags = NL802154_FLAG_NEED_NETDEV | | |
2404 | NL802154_FLAG_NEED_RTNL, | |
2405 | }, | |
2406 | { | |
2407 | .cmd = NL802154_CMD_GET_SEC_LEVEL, | |
2408 | /* TODO .doit by matching frame_type? */ | |
2409 | .dumpit = nl802154_dump_llsec_seclevel, | |
2410 | .policy = nl802154_policy, | |
2411 | .flags = GENL_ADMIN_PERM, | |
2412 | .internal_flags = NL802154_FLAG_NEED_NETDEV | | |
2413 | NL802154_FLAG_NEED_RTNL, | |
2414 | }, | |
2415 | { | |
2416 | .cmd = NL802154_CMD_NEW_SEC_LEVEL, | |
2417 | .doit = nl802154_add_llsec_seclevel, | |
2418 | .policy = nl802154_policy, | |
2419 | .flags = GENL_ADMIN_PERM, | |
2420 | .internal_flags = NL802154_FLAG_NEED_NETDEV | | |
2421 | NL802154_FLAG_NEED_RTNL, | |
2422 | }, | |
2423 | { | |
2424 | .cmd = NL802154_CMD_DEL_SEC_LEVEL, | |
2425 | /* TODO match frame_type only? */ | |
2426 | .doit = nl802154_del_llsec_seclevel, | |
2427 | .policy = nl802154_policy, | |
2428 | .flags = GENL_ADMIN_PERM, | |
2429 | .internal_flags = NL802154_FLAG_NEED_NETDEV | | |
2430 | NL802154_FLAG_NEED_RTNL, | |
2431 | }, | |
2432 | #endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */ | |
79fe1a2a AA |
2433 | }; |
2434 | ||
2435 | /* initialisation/exit functions */ | |
2436 | int nl802154_init(void) | |
2437 | { | |
2438 | return genl_register_family_with_ops_groups(&nl802154_fam, nl802154_ops, | |
2439 | nl802154_mcgrps); | |
2440 | } | |
2441 | ||
2442 | void nl802154_exit(void) | |
2443 | { | |
2444 | genl_unregister_family(&nl802154_fam); | |
2445 | } |