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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 | 24 | static struct genl_family nl802154_fam; |
79fe1a2a AA |
25 | |
26 | /* multicast groups */ | |
27 | enum nl802154_multicast_groups { | |
28 | NL802154_MCGRP_CONFIG, | |
51147284 | 29 | NL802154_MCGRP_SCAN, |
79fe1a2a AA |
30 | }; |
31 | ||
32 | static 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 */ | |
38 | static 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 | ||
93 | static 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 | */ | |
172 | static struct cfg802154_registered_device * | |
173 | cfg802154_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 */ | |
179 | static 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 |
252 | static int | |
253 | nl802154_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 | ||
305 | static void | |
306 | nl802154_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 */ |
313 | static 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 |
320 | static int |
321 | nl802154_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 |
342 | static int |
343 | nl802154_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 |
363 | static int |
364 | nl802154_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 |
450 | static 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 | 553 | finish: |
053c095a JB |
554 | genlmsg_end(msg, hdr); |
555 | return 0; | |
ca20ce20 AA |
556 | |
557 | nla_put_failure: | |
558 | genlmsg_cancel(msg, hdr); | |
559 | return -EMSGSIZE; | |
560 | } | |
561 | ||
562 | struct nl802154_dump_wpan_phy_state { | |
563 | s64 filter_wpan_phy; | |
564 | long start; | |
565 | ||
566 | }; | |
567 | ||
568 | static 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 | ||
597 | static int | |
598 | nl802154_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 | ||
654 | static int nl802154_dump_wpan_phy_done(struct netlink_callback *cb) | |
655 | { | |
656 | kfree((void *)cb->args[0]); | |
657 | return 0; | |
658 | } | |
659 | ||
660 | static 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 |
678 | static 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 | ||
687 | static int | |
688 | ieee802154_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 | ||
756 | static 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, ¶ms); | |
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, ¶ms.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 |
788 | static int |
789 | nl802154_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 | |
848 | out: | |
a26c5fd7 AA |
849 | #endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */ |
850 | ||
053c095a JB |
851 | genlmsg_end(msg, hdr); |
852 | return 0; | |
4b96aea0 AA |
853 | |
854 | nla_put_failure: | |
855 | genlmsg_cancel(msg, hdr); | |
856 | return -EMSGSIZE; | |
857 | } | |
858 | ||
859 | static int | |
860 | nl802154_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 | } | |
894 | out: | |
895 | rtnl_unlock(); | |
896 | ||
897 | cb->args[0] = wp_idx; | |
898 | cb->args[1] = if_idx; | |
899 | ||
900 | return skb->len; | |
901 | } | |
902 | ||
903 | static 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 |
922 | static 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 |
953 | static 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 |
973 | static 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 |
992 | static 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 |
1023 | static 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 |
1045 | static 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 |
1067 | static 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 |
1103 | static 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 |
1144 | static int |
1145 | nl802154_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 |
1174 | static int |
1175 | nl802154_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 |
1200 | static int |
1201 | nl802154_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 |
1225 | static 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 |
1249 | static int |
1250 | nl802154_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 |
1271 | static 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 |
1302 | static 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 | ||
1376 | int 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 | } | |
1398 | EXPORT_SYMBOL_GPL(nl802154_scan_event); | |
1399 | ||
ed3557c9 MR |
1400 | static 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 |
1464 | free_request: |
1465 | kfree(request); | |
1466 | ||
1467 | return err; | |
1468 | } | |
1469 | ||
1470 | static 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 | ||
1500 | nla_put_failure: | |
1501 | genlmsg_cancel(msg, hdr); | |
1502 | ||
1503 | return -EMSGSIZE; | |
1504 | } | |
1505 | ||
1506 | static 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 | ||
1527 | int 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 | } | |
1539 | EXPORT_SYMBOL_GPL(nl802154_scan_started); | |
1540 | ||
1541 | int 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 | } | |
1554 | EXPORT_SYMBOL_GPL(nl802154_scan_done); | |
1555 | ||
1556 | static 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 |
1566 | static int |
1567 | nl802154_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 | 1607 | free_request: |
9bc11450 MR |
1608 | kfree(request); |
1609 | ||
1610 | return err; | |
1611 | } | |
1612 | ||
1613 | void nl802154_beaconing_done(struct wpan_dev *wpan_dev) | |
1614 | { | |
ed9a8ad7 | 1615 | /* NOP */ |
9bc11450 MR |
1616 | } |
1617 | EXPORT_SYMBOL_GPL(nl802154_beaconing_done); | |
1618 | ||
1619 | static int | |
1620 | nl802154_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 |
1631 | static 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 |
1638 | static int |
1639 | ieee802154_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 |
1670 | static 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 |
1678 | static int |
1679 | ieee802154_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 |
1729 | static 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 | ¶ms.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, ¶ms, changed); | |
1776 | } | |
1777 | ||
1778 | static 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 | ||
1830 | nla_put_failure: | |
1831 | genlmsg_cancel(msg, hdr); | |
1832 | return -EMSGSIZE; | |
1833 | } | |
1834 | ||
1835 | static int | |
1836 | nl802154_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 | ||
1879 | out: | |
1880 | rdev_unlock_llsec_table(rdev, wpan_dev); | |
1881 | err = skb->len; | |
1882 | out_err: | |
1883 | nl802154_finish_wpan_dev_dump(rdev); | |
1884 | ||
1885 | return err; | |
79fe1a2a AA |
1886 | } |
1887 | ||
a26c5fd7 AA |
1888 | static 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 | ||
1897 | static 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 | ||
1951 | static 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 | ||
1972 | static 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 | ||
2009 | nla_put_failure: | |
2010 | genlmsg_cancel(msg, hdr); | |
2011 | return -EMSGSIZE; | |
2012 | } | |
2013 | ||
2014 | static int | |
2015 | nl802154_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 | ||
2058 | out: | |
2059 | rdev_unlock_llsec_table(rdev, wpan_dev); | |
2060 | err = skb->len; | |
2061 | out_err: | |
2062 | nl802154_finish_wpan_dev_dump(rdev); | |
2063 | ||
2064 | return err; | |
2065 | } | |
2066 | ||
2067 | static 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 | ||
2076 | static int | |
2077 | ieee802154_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 | ||
2111 | static 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 | ||
2128 | static 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 | ||
2150 | static 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 | ||
2189 | nla_put_failure: | |
2190 | genlmsg_cancel(msg, hdr); | |
2191 | return -EMSGSIZE; | |
2192 | } | |
2193 | ||
2194 | static int | |
2195 | nl802154_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 | ||
2246 | out: | |
2247 | rdev_unlock_llsec_table(rdev, wpan_dev); | |
2248 | err = skb->len; | |
2249 | out_err: | |
2250 | nl802154_finish_wpan_dev_dump(rdev); | |
2251 | ||
2252 | return err; | |
2253 | } | |
2254 | ||
2255 | static 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 | ||
2261 | static 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 | ||
2295 | static 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 | ||
2326 | static 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 | ||
2363 | nla_put_failure: | |
2364 | genlmsg_cancel(msg, hdr); | |
2365 | return -EMSGSIZE; | |
2366 | } | |
2367 | ||
2368 | static int | |
2369 | nl802154_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 | ||
2412 | out: | |
2413 | rdev_unlock_llsec_table(rdev, wpan_dev); | |
2414 | err = skb->len; | |
2415 | out_err: | |
2416 | nl802154_finish_wpan_dev_dump(rdev); | |
2417 | ||
2418 | return err; | |
2419 | } | |
2420 | ||
2421 | static 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 | ||
2428 | static int | |
2429 | llsec_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 | ||
2462 | static 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 | ||
2480 | static 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 |
2506 | static 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 |
2569 | static 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 | ||
2587 | static 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 | 2871 | static 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 | 2889 | int __init nl802154_init(void) |
79fe1a2a | 2890 | { |
489111e5 | 2891 | return genl_register_family(&nl802154_fam); |
79fe1a2a AA |
2892 | } |
2893 | ||
2894 | void nl802154_exit(void) | |
2895 | { | |
2896 | genl_unregister_family(&nl802154_fam); | |
2897 | } |