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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, | |
29 | }; | |
30 | ||
31 | static const struct genl_multicast_group nl802154_mcgrps[] = { | |
32 | [NL802154_MCGRP_CONFIG] = { .name = "config", }, | |
33 | }; | |
34 | ||
35 | /* returns ERR_PTR values */ | |
36 | static struct wpan_dev * | |
37 | __cfg802154_wpan_dev_from_attrs(struct net *netns, struct nlattr **attrs) | |
38 | { | |
39 | struct cfg802154_registered_device *rdev; | |
40 | struct wpan_dev *result = NULL; | |
41 | bool have_ifidx = attrs[NL802154_ATTR_IFINDEX]; | |
42 | bool have_wpan_dev_id = attrs[NL802154_ATTR_WPAN_DEV]; | |
43 | u64 wpan_dev_id; | |
44 | int wpan_phy_idx = -1; | |
45 | int ifidx = -1; | |
46 | ||
47 | ASSERT_RTNL(); | |
48 | ||
49 | if (!have_ifidx && !have_wpan_dev_id) | |
50 | return ERR_PTR(-EINVAL); | |
51 | ||
52 | if (have_ifidx) | |
53 | ifidx = nla_get_u32(attrs[NL802154_ATTR_IFINDEX]); | |
54 | if (have_wpan_dev_id) { | |
55 | wpan_dev_id = nla_get_u64(attrs[NL802154_ATTR_WPAN_DEV]); | |
56 | wpan_phy_idx = wpan_dev_id >> 32; | |
57 | } | |
58 | ||
59 | list_for_each_entry(rdev, &cfg802154_rdev_list, list) { | |
60 | struct wpan_dev *wpan_dev; | |
61 | ||
66e5c267 AA |
62 | if (wpan_phy_net(&rdev->wpan_phy) != netns) |
63 | continue; | |
79fe1a2a AA |
64 | |
65 | if (have_wpan_dev_id && rdev->wpan_phy_idx != wpan_phy_idx) | |
66 | continue; | |
67 | ||
68 | list_for_each_entry(wpan_dev, &rdev->wpan_dev_list, list) { | |
69 | if (have_ifidx && wpan_dev->netdev && | |
70 | wpan_dev->netdev->ifindex == ifidx) { | |
71 | result = wpan_dev; | |
72 | break; | |
73 | } | |
74 | if (have_wpan_dev_id && | |
75 | wpan_dev->identifier == (u32)wpan_dev_id) { | |
76 | result = wpan_dev; | |
77 | break; | |
78 | } | |
79 | } | |
80 | ||
81 | if (result) | |
82 | break; | |
83 | } | |
84 | ||
85 | if (result) | |
86 | return result; | |
87 | ||
88 | return ERR_PTR(-ENODEV); | |
89 | } | |
90 | ||
91 | static struct cfg802154_registered_device * | |
92 | __cfg802154_rdev_from_attrs(struct net *netns, struct nlattr **attrs) | |
93 | { | |
94 | struct cfg802154_registered_device *rdev = NULL, *tmp; | |
95 | struct net_device *netdev; | |
96 | ||
97 | ASSERT_RTNL(); | |
98 | ||
99 | if (!attrs[NL802154_ATTR_WPAN_PHY] && | |
100 | !attrs[NL802154_ATTR_IFINDEX] && | |
101 | !attrs[NL802154_ATTR_WPAN_DEV]) | |
102 | return ERR_PTR(-EINVAL); | |
103 | ||
104 | if (attrs[NL802154_ATTR_WPAN_PHY]) | |
105 | rdev = cfg802154_rdev_by_wpan_phy_idx( | |
106 | nla_get_u32(attrs[NL802154_ATTR_WPAN_PHY])); | |
107 | ||
108 | if (attrs[NL802154_ATTR_WPAN_DEV]) { | |
109 | u64 wpan_dev_id = nla_get_u64(attrs[NL802154_ATTR_WPAN_DEV]); | |
110 | struct wpan_dev *wpan_dev; | |
111 | bool found = false; | |
112 | ||
113 | tmp = cfg802154_rdev_by_wpan_phy_idx(wpan_dev_id >> 32); | |
114 | if (tmp) { | |
115 | /* make sure wpan_dev exists */ | |
116 | list_for_each_entry(wpan_dev, &tmp->wpan_dev_list, list) { | |
117 | if (wpan_dev->identifier != (u32)wpan_dev_id) | |
118 | continue; | |
119 | found = true; | |
120 | break; | |
121 | } | |
122 | ||
123 | if (!found) | |
124 | tmp = NULL; | |
125 | ||
126 | if (rdev && tmp != rdev) | |
127 | return ERR_PTR(-EINVAL); | |
128 | rdev = tmp; | |
129 | } | |
130 | } | |
131 | ||
132 | if (attrs[NL802154_ATTR_IFINDEX]) { | |
133 | int ifindex = nla_get_u32(attrs[NL802154_ATTR_IFINDEX]); | |
134 | ||
135 | netdev = __dev_get_by_index(netns, ifindex); | |
136 | if (netdev) { | |
137 | if (netdev->ieee802154_ptr) | |
138 | tmp = wpan_phy_to_rdev( | |
139 | netdev->ieee802154_ptr->wpan_phy); | |
140 | else | |
141 | tmp = NULL; | |
142 | ||
143 | /* not wireless device -- return error */ | |
144 | if (!tmp) | |
145 | return ERR_PTR(-EINVAL); | |
146 | ||
147 | /* mismatch -- return error */ | |
148 | if (rdev && tmp != rdev) | |
149 | return ERR_PTR(-EINVAL); | |
150 | ||
151 | rdev = tmp; | |
152 | } | |
153 | } | |
154 | ||
155 | if (!rdev) | |
156 | return ERR_PTR(-ENODEV); | |
157 | ||
66e5c267 AA |
158 | if (netns != wpan_phy_net(&rdev->wpan_phy)) |
159 | return ERR_PTR(-ENODEV); | |
79fe1a2a AA |
160 | |
161 | return rdev; | |
162 | } | |
163 | ||
164 | /* This function returns a pointer to the driver | |
165 | * that the genl_info item that is passed refers to. | |
166 | * | |
167 | * The result of this can be a PTR_ERR and hence must | |
168 | * be checked with IS_ERR() for errors. | |
169 | */ | |
170 | static struct cfg802154_registered_device * | |
171 | cfg802154_get_dev_from_info(struct net *netns, struct genl_info *info) | |
172 | { | |
173 | return __cfg802154_rdev_from_attrs(netns, info->attrs); | |
174 | } | |
175 | ||
176 | /* policy for the attributes */ | |
177 | static const struct nla_policy nl802154_policy[NL802154_ATTR_MAX+1] = { | |
ca20ce20 AA |
178 | [NL802154_ATTR_WPAN_PHY] = { .type = NLA_U32 }, |
179 | [NL802154_ATTR_WPAN_PHY_NAME] = { .type = NLA_NUL_STRING, | |
180 | .len = 20-1 }, | |
181 | ||
182 | [NL802154_ATTR_IFINDEX] = { .type = NLA_U32 }, | |
4b96aea0 AA |
183 | [NL802154_ATTR_IFTYPE] = { .type = NLA_U32 }, |
184 | [NL802154_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 }, | |
ca20ce20 AA |
185 | |
186 | [NL802154_ATTR_WPAN_DEV] = { .type = NLA_U64 }, | |
187 | ||
188 | [NL802154_ATTR_PAGE] = { .type = NLA_U8, }, | |
189 | [NL802154_ATTR_CHANNEL] = { .type = NLA_U8, }, | |
190 | ||
1a19cb68 | 191 | [NL802154_ATTR_TX_POWER] = { .type = NLA_S32, }, |
ca20ce20 | 192 | |
ba2a9506 AA |
193 | [NL802154_ATTR_CCA_MODE] = { .type = NLA_U32, }, |
194 | [NL802154_ATTR_CCA_OPT] = { .type = NLA_U32, }, | |
e4390592 | 195 | [NL802154_ATTR_CCA_ED_LEVEL] = { .type = NLA_S32, }, |
ca20ce20 AA |
196 | |
197 | [NL802154_ATTR_SUPPORTED_CHANNEL] = { .type = NLA_U32, }, | |
4b96aea0 AA |
198 | |
199 | [NL802154_ATTR_PAN_ID] = { .type = NLA_U16, }, | |
200 | [NL802154_ATTR_EXTENDED_ADDR] = { .type = NLA_U64 }, | |
201 | [NL802154_ATTR_SHORT_ADDR] = { .type = NLA_U16, }, | |
202 | ||
203 | [NL802154_ATTR_MIN_BE] = { .type = NLA_U8, }, | |
204 | [NL802154_ATTR_MAX_BE] = { .type = NLA_U8, }, | |
205 | [NL802154_ATTR_MAX_CSMA_BACKOFFS] = { .type = NLA_U8, }, | |
206 | ||
207 | [NL802154_ATTR_MAX_FRAME_RETRIES] = { .type = NLA_S8, }, | |
208 | ||
209 | [NL802154_ATTR_LBT_MODE] = { .type = NLA_U8, }, | |
0e665457 AA |
210 | |
211 | [NL802154_ATTR_WPAN_PHY_CAPS] = { .type = NLA_NESTED }, | |
133be026 VB |
212 | |
213 | [NL802154_ATTR_SUPPORTED_COMMANDS] = { .type = NLA_NESTED }, | |
c91208d8 AA |
214 | |
215 | [NL802154_ATTR_ACKREQ_DEFAULT] = { .type = NLA_U8 }, | |
a26c5fd7 | 216 | |
66e5c267 AA |
217 | [NL802154_ATTR_PID] = { .type = NLA_U32 }, |
218 | [NL802154_ATTR_NETNS_FD] = { .type = NLA_U32 }, | |
a26c5fd7 AA |
219 | #ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL |
220 | [NL802154_ATTR_SEC_ENABLED] = { .type = NLA_U8, }, | |
221 | [NL802154_ATTR_SEC_OUT_LEVEL] = { .type = NLA_U32, }, | |
222 | [NL802154_ATTR_SEC_OUT_KEY_ID] = { .type = NLA_NESTED, }, | |
223 | [NL802154_ATTR_SEC_FRAME_COUNTER] = { .type = NLA_U32 }, | |
224 | ||
225 | [NL802154_ATTR_SEC_LEVEL] = { .type = NLA_NESTED }, | |
226 | [NL802154_ATTR_SEC_DEVICE] = { .type = NLA_NESTED }, | |
227 | [NL802154_ATTR_SEC_DEVKEY] = { .type = NLA_NESTED }, | |
228 | [NL802154_ATTR_SEC_KEY] = { .type = NLA_NESTED }, | |
229 | #endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */ | |
79fe1a2a AA |
230 | }; |
231 | ||
a26c5fd7 AA |
232 | #ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL |
233 | static int | |
234 | nl802154_prepare_wpan_dev_dump(struct sk_buff *skb, | |
235 | struct netlink_callback *cb, | |
236 | struct cfg802154_registered_device **rdev, | |
237 | struct wpan_dev **wpan_dev) | |
238 | { | |
75cdbdd0 | 239 | const struct genl_dumpit_info *info = genl_dumpit_info(cb); |
a26c5fd7 AA |
240 | int err; |
241 | ||
242 | rtnl_lock(); | |
243 | ||
244 | if (!cb->args[0]) { | |
a26c5fd7 | 245 | *wpan_dev = __cfg802154_wpan_dev_from_attrs(sock_net(skb->sk), |
75cdbdd0 | 246 | info->attrs); |
a26c5fd7 AA |
247 | if (IS_ERR(*wpan_dev)) { |
248 | err = PTR_ERR(*wpan_dev); | |
249 | goto out_unlock; | |
250 | } | |
251 | *rdev = wpan_phy_to_rdev((*wpan_dev)->wpan_phy); | |
252 | /* 0 is the first index - add 1 to parse only once */ | |
253 | cb->args[0] = (*rdev)->wpan_phy_idx + 1; | |
254 | cb->args[1] = (*wpan_dev)->identifier; | |
255 | } else { | |
256 | /* subtract the 1 again here */ | |
257 | struct wpan_phy *wpan_phy = wpan_phy_idx_to_wpan_phy(cb->args[0] - 1); | |
258 | struct wpan_dev *tmp; | |
259 | ||
260 | if (!wpan_phy) { | |
261 | err = -ENODEV; | |
262 | goto out_unlock; | |
263 | } | |
264 | *rdev = wpan_phy_to_rdev(wpan_phy); | |
265 | *wpan_dev = NULL; | |
266 | ||
267 | list_for_each_entry(tmp, &(*rdev)->wpan_dev_list, list) { | |
268 | if (tmp->identifier == cb->args[1]) { | |
269 | *wpan_dev = tmp; | |
270 | break; | |
271 | } | |
272 | } | |
273 | ||
274 | if (!*wpan_dev) { | |
275 | err = -ENODEV; | |
276 | goto out_unlock; | |
277 | } | |
278 | } | |
279 | ||
280 | return 0; | |
281 | out_unlock: | |
282 | rtnl_unlock(); | |
283 | return err; | |
284 | } | |
285 | ||
286 | static void | |
287 | nl802154_finish_wpan_dev_dump(struct cfg802154_registered_device *rdev) | |
288 | { | |
289 | rtnl_unlock(); | |
290 | } | |
291 | #endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */ | |
292 | ||
79fe1a2a AA |
293 | /* message building helper */ |
294 | static inline void *nl802154hdr_put(struct sk_buff *skb, u32 portid, u32 seq, | |
295 | int flags, u8 cmd) | |
296 | { | |
297 | /* since there is no private header just add the generic one */ | |
298 | return genlmsg_put(skb, portid, seq, &nl802154_fam, flags, cmd); | |
299 | } | |
300 | ||
0e665457 AA |
301 | static int |
302 | nl802154_put_flags(struct sk_buff *msg, int attr, u32 mask) | |
303 | { | |
ae0be8de | 304 | struct nlattr *nl_flags = nla_nest_start_noflag(msg, attr); |
0e665457 AA |
305 | int i; |
306 | ||
307 | if (!nl_flags) | |
308 | return -ENOBUFS; | |
309 | ||
310 | i = 0; | |
311 | while (mask) { | |
312 | if ((mask & 1) && nla_put_flag(msg, i)) | |
313 | return -ENOBUFS; | |
314 | ||
315 | mask >>= 1; | |
316 | i++; | |
317 | } | |
318 | ||
319 | nla_nest_end(msg, nl_flags); | |
320 | return 0; | |
321 | } | |
322 | ||
ca20ce20 AA |
323 | static int |
324 | nl802154_send_wpan_phy_channels(struct cfg802154_registered_device *rdev, | |
325 | struct sk_buff *msg) | |
326 | { | |
327 | struct nlattr *nl_page; | |
328 | unsigned long page; | |
329 | ||
ae0be8de | 330 | nl_page = nla_nest_start_noflag(msg, NL802154_ATTR_CHANNELS_SUPPORTED); |
ca20ce20 AA |
331 | if (!nl_page) |
332 | return -ENOBUFS; | |
333 | ||
cb41c8dd | 334 | for (page = 0; page <= IEEE802154_MAX_PAGE; page++) { |
ca20ce20 | 335 | if (nla_put_u32(msg, NL802154_ATTR_SUPPORTED_CHANNEL, |
72f655e4 | 336 | rdev->wpan_phy.supported.channels[page])) |
ca20ce20 AA |
337 | return -ENOBUFS; |
338 | } | |
339 | nla_nest_end(msg, nl_page); | |
340 | ||
341 | return 0; | |
342 | } | |
343 | ||
0e665457 AA |
344 | static int |
345 | nl802154_put_capabilities(struct sk_buff *msg, | |
346 | struct cfg802154_registered_device *rdev) | |
347 | { | |
348 | const struct wpan_phy_supported *caps = &rdev->wpan_phy.supported; | |
349 | struct nlattr *nl_caps, *nl_channels; | |
350 | int i; | |
351 | ||
ae0be8de | 352 | nl_caps = nla_nest_start_noflag(msg, NL802154_ATTR_WPAN_PHY_CAPS); |
0e665457 AA |
353 | if (!nl_caps) |
354 | return -ENOBUFS; | |
355 | ||
ae0be8de | 356 | nl_channels = nla_nest_start_noflag(msg, NL802154_CAP_ATTR_CHANNELS); |
0e665457 AA |
357 | if (!nl_channels) |
358 | return -ENOBUFS; | |
359 | ||
360 | for (i = 0; i <= IEEE802154_MAX_PAGE; i++) { | |
361 | if (caps->channels[i]) { | |
362 | if (nl802154_put_flags(msg, i, caps->channels[i])) | |
363 | return -ENOBUFS; | |
364 | } | |
365 | } | |
366 | ||
367 | nla_nest_end(msg, nl_channels); | |
368 | ||
369 | if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_ED_LEVEL) { | |
370 | struct nlattr *nl_ed_lvls; | |
371 | ||
ae0be8de MK |
372 | nl_ed_lvls = nla_nest_start_noflag(msg, |
373 | NL802154_CAP_ATTR_CCA_ED_LEVELS); | |
0e665457 AA |
374 | if (!nl_ed_lvls) |
375 | return -ENOBUFS; | |
376 | ||
377 | for (i = 0; i < caps->cca_ed_levels_size; i++) { | |
378 | if (nla_put_s32(msg, i, caps->cca_ed_levels[i])) | |
379 | return -ENOBUFS; | |
380 | } | |
381 | ||
382 | nla_nest_end(msg, nl_ed_lvls); | |
383 | } | |
384 | ||
385 | if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_TXPOWER) { | |
386 | struct nlattr *nl_tx_pwrs; | |
387 | ||
ae0be8de MK |
388 | nl_tx_pwrs = nla_nest_start_noflag(msg, |
389 | NL802154_CAP_ATTR_TX_POWERS); | |
0e665457 AA |
390 | if (!nl_tx_pwrs) |
391 | return -ENOBUFS; | |
392 | ||
393 | for (i = 0; i < caps->tx_powers_size; i++) { | |
394 | if (nla_put_s32(msg, i, caps->tx_powers[i])) | |
395 | return -ENOBUFS; | |
396 | } | |
397 | ||
398 | nla_nest_end(msg, nl_tx_pwrs); | |
399 | } | |
400 | ||
401 | if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_MODE) { | |
402 | if (nl802154_put_flags(msg, NL802154_CAP_ATTR_CCA_MODES, | |
403 | caps->cca_modes) || | |
404 | nl802154_put_flags(msg, NL802154_CAP_ATTR_CCA_OPTS, | |
405 | caps->cca_opts)) | |
406 | return -ENOBUFS; | |
407 | } | |
408 | ||
409 | if (nla_put_u8(msg, NL802154_CAP_ATTR_MIN_MINBE, caps->min_minbe) || | |
410 | nla_put_u8(msg, NL802154_CAP_ATTR_MAX_MINBE, caps->max_minbe) || | |
411 | nla_put_u8(msg, NL802154_CAP_ATTR_MIN_MAXBE, caps->min_maxbe) || | |
412 | nla_put_u8(msg, NL802154_CAP_ATTR_MAX_MAXBE, caps->max_maxbe) || | |
413 | nla_put_u8(msg, NL802154_CAP_ATTR_MIN_CSMA_BACKOFFS, | |
414 | caps->min_csma_backoffs) || | |
415 | nla_put_u8(msg, NL802154_CAP_ATTR_MAX_CSMA_BACKOFFS, | |
416 | caps->max_csma_backoffs) || | |
417 | nla_put_s8(msg, NL802154_CAP_ATTR_MIN_FRAME_RETRIES, | |
418 | caps->min_frame_retries) || | |
419 | nla_put_s8(msg, NL802154_CAP_ATTR_MAX_FRAME_RETRIES, | |
420 | caps->max_frame_retries) || | |
421 | nl802154_put_flags(msg, NL802154_CAP_ATTR_IFTYPES, | |
422 | caps->iftypes) || | |
423 | nla_put_u32(msg, NL802154_CAP_ATTR_LBT, caps->lbt)) | |
424 | return -ENOBUFS; | |
425 | ||
426 | nla_nest_end(msg, nl_caps); | |
427 | ||
428 | return 0; | |
429 | } | |
430 | ||
ca20ce20 AA |
431 | static int nl802154_send_wpan_phy(struct cfg802154_registered_device *rdev, |
432 | enum nl802154_commands cmd, | |
433 | struct sk_buff *msg, u32 portid, u32 seq, | |
434 | int flags) | |
435 | { | |
133be026 | 436 | struct nlattr *nl_cmds; |
ca20ce20 | 437 | void *hdr; |
133be026 | 438 | int i; |
ca20ce20 AA |
439 | |
440 | hdr = nl802154hdr_put(msg, portid, seq, flags, cmd); | |
441 | if (!hdr) | |
442 | return -ENOBUFS; | |
443 | ||
444 | if (nla_put_u32(msg, NL802154_ATTR_WPAN_PHY, rdev->wpan_phy_idx) || | |
445 | nla_put_string(msg, NL802154_ATTR_WPAN_PHY_NAME, | |
446 | wpan_phy_name(&rdev->wpan_phy)) || | |
447 | nla_put_u32(msg, NL802154_ATTR_GENERATION, | |
448 | cfg802154_rdev_list_generation)) | |
449 | goto nla_put_failure; | |
450 | ||
451 | if (cmd != NL802154_CMD_NEW_WPAN_PHY) | |
452 | goto finish; | |
453 | ||
454 | /* DUMP PHY PIB */ | |
455 | ||
456 | /* current channel settings */ | |
457 | if (nla_put_u8(msg, NL802154_ATTR_PAGE, | |
458 | rdev->wpan_phy.current_page) || | |
459 | nla_put_u8(msg, NL802154_ATTR_CHANNEL, | |
460 | rdev->wpan_phy.current_channel)) | |
461 | goto nla_put_failure; | |
462 | ||
0e665457 AA |
463 | /* TODO remove this behaviour, we still keep support it for a while |
464 | * so users can change the behaviour to the new one. | |
465 | */ | |
ca20ce20 AA |
466 | if (nl802154_send_wpan_phy_channels(rdev, msg)) |
467 | goto nla_put_failure; | |
468 | ||
469 | /* cca mode */ | |
edea8f7c AA |
470 | if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_MODE) { |
471 | if (nla_put_u32(msg, NL802154_ATTR_CCA_MODE, | |
472 | rdev->wpan_phy.cca.mode)) | |
ba2a9506 | 473 | goto nla_put_failure; |
edea8f7c AA |
474 | |
475 | if (rdev->wpan_phy.cca.mode == NL802154_CCA_ENERGY_CARRIER) { | |
476 | if (nla_put_u32(msg, NL802154_ATTR_CCA_OPT, | |
477 | rdev->wpan_phy.cca.opt)) | |
478 | goto nla_put_failure; | |
479 | } | |
ba2a9506 AA |
480 | } |
481 | ||
edea8f7c AA |
482 | if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_TXPOWER) { |
483 | if (nla_put_s32(msg, NL802154_ATTR_TX_POWER, | |
484 | rdev->wpan_phy.transmit_power)) | |
485 | goto nla_put_failure; | |
486 | } | |
ca20ce20 | 487 | |
e4390592 AA |
488 | if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_ED_LEVEL) { |
489 | if (nla_put_s32(msg, NL802154_ATTR_CCA_ED_LEVEL, | |
490 | rdev->wpan_phy.cca_ed_level)) | |
491 | goto nla_put_failure; | |
492 | } | |
493 | ||
0e665457 AA |
494 | if (nl802154_put_capabilities(msg, rdev)) |
495 | goto nla_put_failure; | |
496 | ||
ae0be8de | 497 | nl_cmds = nla_nest_start_noflag(msg, NL802154_ATTR_SUPPORTED_COMMANDS); |
133be026 VB |
498 | if (!nl_cmds) |
499 | goto nla_put_failure; | |
500 | ||
501 | i = 0; | |
502 | #define CMD(op, n) \ | |
503 | do { \ | |
504 | if (rdev->ops->op) { \ | |
505 | i++; \ | |
506 | if (nla_put_u32(msg, i, NL802154_CMD_ ## n)) \ | |
507 | goto nla_put_failure; \ | |
508 | } \ | |
509 | } while (0) | |
510 | ||
511 | CMD(add_virtual_intf, NEW_INTERFACE); | |
512 | CMD(del_virtual_intf, DEL_INTERFACE); | |
513 | CMD(set_channel, SET_CHANNEL); | |
514 | CMD(set_pan_id, SET_PAN_ID); | |
515 | CMD(set_short_addr, SET_SHORT_ADDR); | |
516 | CMD(set_backoff_exponent, SET_BACKOFF_EXPONENT); | |
517 | CMD(set_max_csma_backoffs, SET_MAX_CSMA_BACKOFFS); | |
518 | CMD(set_max_frame_retries, SET_MAX_FRAME_RETRIES); | |
519 | CMD(set_lbt_mode, SET_LBT_MODE); | |
c91208d8 | 520 | CMD(set_ackreq_default, SET_ACKREQ_DEFAULT); |
133be026 VB |
521 | |
522 | if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_TXPOWER) | |
523 | CMD(set_tx_power, SET_TX_POWER); | |
524 | ||
525 | if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_ED_LEVEL) | |
526 | CMD(set_cca_ed_level, SET_CCA_ED_LEVEL); | |
527 | ||
528 | if (rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_MODE) | |
529 | CMD(set_cca_mode, SET_CCA_MODE); | |
530 | ||
531 | #undef CMD | |
532 | nla_nest_end(msg, nl_cmds); | |
533 | ||
ca20ce20 | 534 | finish: |
053c095a JB |
535 | genlmsg_end(msg, hdr); |
536 | return 0; | |
ca20ce20 AA |
537 | |
538 | nla_put_failure: | |
539 | genlmsg_cancel(msg, hdr); | |
540 | return -EMSGSIZE; | |
541 | } | |
542 | ||
543 | struct nl802154_dump_wpan_phy_state { | |
544 | s64 filter_wpan_phy; | |
545 | long start; | |
546 | ||
547 | }; | |
548 | ||
549 | static int nl802154_dump_wpan_phy_parse(struct sk_buff *skb, | |
550 | struct netlink_callback *cb, | |
551 | struct nl802154_dump_wpan_phy_state *state) | |
552 | { | |
75cdbdd0 JP |
553 | const struct genl_dumpit_info *info = genl_dumpit_info(cb); |
554 | struct nlattr **tb = info->attrs; | |
ca20ce20 AA |
555 | |
556 | if (tb[NL802154_ATTR_WPAN_PHY]) | |
557 | state->filter_wpan_phy = nla_get_u32(tb[NL802154_ATTR_WPAN_PHY]); | |
558 | if (tb[NL802154_ATTR_WPAN_DEV]) | |
559 | state->filter_wpan_phy = nla_get_u64(tb[NL802154_ATTR_WPAN_DEV]) >> 32; | |
560 | if (tb[NL802154_ATTR_IFINDEX]) { | |
561 | struct net_device *netdev; | |
562 | struct cfg802154_registered_device *rdev; | |
563 | int ifidx = nla_get_u32(tb[NL802154_ATTR_IFINDEX]); | |
564 | ||
ca20ce20 AA |
565 | netdev = __dev_get_by_index(&init_net, ifidx); |
566 | if (!netdev) | |
567 | return -ENODEV; | |
568 | if (netdev->ieee802154_ptr) { | |
569 | rdev = wpan_phy_to_rdev( | |
570 | netdev->ieee802154_ptr->wpan_phy); | |
571 | state->filter_wpan_phy = rdev->wpan_phy_idx; | |
572 | } | |
573 | } | |
574 | ||
575 | return 0; | |
576 | } | |
577 | ||
578 | static int | |
579 | nl802154_dump_wpan_phy(struct sk_buff *skb, struct netlink_callback *cb) | |
580 | { | |
581 | int idx = 0, ret; | |
582 | struct nl802154_dump_wpan_phy_state *state = (void *)cb->args[0]; | |
583 | struct cfg802154_registered_device *rdev; | |
584 | ||
585 | rtnl_lock(); | |
586 | if (!state) { | |
587 | state = kzalloc(sizeof(*state), GFP_KERNEL); | |
588 | if (!state) { | |
589 | rtnl_unlock(); | |
590 | return -ENOMEM; | |
591 | } | |
592 | state->filter_wpan_phy = -1; | |
593 | ret = nl802154_dump_wpan_phy_parse(skb, cb, state); | |
594 | if (ret) { | |
595 | kfree(state); | |
596 | rtnl_unlock(); | |
597 | return ret; | |
598 | } | |
599 | cb->args[0] = (long)state; | |
600 | } | |
601 | ||
602 | list_for_each_entry(rdev, &cfg802154_rdev_list, list) { | |
66e5c267 AA |
603 | if (!net_eq(wpan_phy_net(&rdev->wpan_phy), sock_net(skb->sk))) |
604 | continue; | |
ca20ce20 AA |
605 | if (++idx <= state->start) |
606 | continue; | |
607 | if (state->filter_wpan_phy != -1 && | |
608 | state->filter_wpan_phy != rdev->wpan_phy_idx) | |
609 | continue; | |
610 | /* attempt to fit multiple wpan_phy data chunks into the skb */ | |
611 | ret = nl802154_send_wpan_phy(rdev, | |
612 | NL802154_CMD_NEW_WPAN_PHY, | |
613 | skb, | |
614 | NETLINK_CB(cb->skb).portid, | |
615 | cb->nlh->nlmsg_seq, NLM_F_MULTI); | |
616 | if (ret < 0) { | |
617 | if ((ret == -ENOBUFS || ret == -EMSGSIZE) && | |
618 | !skb->len && cb->min_dump_alloc < 4096) { | |
619 | cb->min_dump_alloc = 4096; | |
620 | rtnl_unlock(); | |
621 | return 1; | |
622 | } | |
623 | idx--; | |
624 | break; | |
625 | } | |
626 | break; | |
627 | } | |
628 | rtnl_unlock(); | |
629 | ||
630 | state->start = idx; | |
631 | ||
632 | return skb->len; | |
633 | } | |
634 | ||
635 | static int nl802154_dump_wpan_phy_done(struct netlink_callback *cb) | |
636 | { | |
637 | kfree((void *)cb->args[0]); | |
638 | return 0; | |
639 | } | |
640 | ||
641 | static int nl802154_get_wpan_phy(struct sk_buff *skb, struct genl_info *info) | |
642 | { | |
643 | struct sk_buff *msg; | |
644 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
645 | ||
646 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
647 | if (!msg) | |
648 | return -ENOMEM; | |
649 | ||
650 | if (nl802154_send_wpan_phy(rdev, NL802154_CMD_NEW_WPAN_PHY, msg, | |
651 | info->snd_portid, info->snd_seq, 0) < 0) { | |
652 | nlmsg_free(msg); | |
653 | return -ENOBUFS; | |
654 | } | |
655 | ||
656 | return genlmsg_reply(msg, info); | |
657 | } | |
658 | ||
4b96aea0 AA |
659 | static inline u64 wpan_dev_id(struct wpan_dev *wpan_dev) |
660 | { | |
661 | return (u64)wpan_dev->identifier | | |
662 | ((u64)wpan_phy_to_rdev(wpan_dev->wpan_phy)->wpan_phy_idx << 32); | |
663 | } | |
664 | ||
a26c5fd7 AA |
665 | #ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL |
666 | #include <net/ieee802154_netdev.h> | |
667 | ||
668 | static int | |
669 | ieee802154_llsec_send_key_id(struct sk_buff *msg, | |
670 | const struct ieee802154_llsec_key_id *desc) | |
671 | { | |
672 | struct nlattr *nl_dev_addr; | |
673 | ||
674 | if (nla_put_u32(msg, NL802154_KEY_ID_ATTR_MODE, desc->mode)) | |
675 | return -ENOBUFS; | |
676 | ||
677 | switch (desc->mode) { | |
678 | case NL802154_KEY_ID_MODE_IMPLICIT: | |
ae0be8de MK |
679 | nl_dev_addr = nla_nest_start_noflag(msg, |
680 | NL802154_KEY_ID_ATTR_IMPLICIT); | |
a26c5fd7 AA |
681 | if (!nl_dev_addr) |
682 | return -ENOBUFS; | |
683 | ||
684 | if (nla_put_le16(msg, NL802154_DEV_ADDR_ATTR_PAN_ID, | |
685 | desc->device_addr.pan_id) || | |
686 | nla_put_u32(msg, NL802154_DEV_ADDR_ATTR_MODE, | |
687 | desc->device_addr.mode)) | |
688 | return -ENOBUFS; | |
689 | ||
690 | switch (desc->device_addr.mode) { | |
691 | case NL802154_DEV_ADDR_SHORT: | |
692 | if (nla_put_le16(msg, NL802154_DEV_ADDR_ATTR_SHORT, | |
693 | desc->device_addr.short_addr)) | |
694 | return -ENOBUFS; | |
695 | break; | |
696 | case NL802154_DEV_ADDR_EXTENDED: | |
697 | if (nla_put_le64(msg, NL802154_DEV_ADDR_ATTR_EXTENDED, | |
e7479122 ND |
698 | desc->device_addr.extended_addr, |
699 | NL802154_DEV_ADDR_ATTR_PAD)) | |
a26c5fd7 AA |
700 | return -ENOBUFS; |
701 | break; | |
702 | default: | |
703 | /* userspace should handle unknown */ | |
704 | break; | |
705 | } | |
706 | ||
707 | nla_nest_end(msg, nl_dev_addr); | |
708 | break; | |
709 | case NL802154_KEY_ID_MODE_INDEX: | |
710 | break; | |
711 | case NL802154_KEY_ID_MODE_INDEX_SHORT: | |
712 | /* TODO renmae short_source? */ | |
713 | if (nla_put_le32(msg, NL802154_KEY_ID_ATTR_SOURCE_SHORT, | |
714 | desc->short_source)) | |
715 | return -ENOBUFS; | |
716 | break; | |
717 | case NL802154_KEY_ID_MODE_INDEX_EXTENDED: | |
718 | if (nla_put_le64(msg, NL802154_KEY_ID_ATTR_SOURCE_EXTENDED, | |
e7479122 ND |
719 | desc->extended_source, |
720 | NL802154_KEY_ID_ATTR_PAD)) | |
a26c5fd7 AA |
721 | return -ENOBUFS; |
722 | break; | |
723 | default: | |
724 | /* userspace should handle unknown */ | |
725 | break; | |
726 | } | |
727 | ||
728 | /* TODO key_id to key_idx ? Check naming */ | |
729 | if (desc->mode != NL802154_KEY_ID_MODE_IMPLICIT) { | |
730 | if (nla_put_u8(msg, NL802154_KEY_ID_ATTR_INDEX, desc->id)) | |
731 | return -ENOBUFS; | |
732 | } | |
733 | ||
734 | return 0; | |
735 | } | |
736 | ||
737 | static int nl802154_get_llsec_params(struct sk_buff *msg, | |
738 | struct cfg802154_registered_device *rdev, | |
739 | struct wpan_dev *wpan_dev) | |
740 | { | |
741 | struct nlattr *nl_key_id; | |
742 | struct ieee802154_llsec_params params; | |
743 | int ret; | |
744 | ||
745 | ret = rdev_get_llsec_params(rdev, wpan_dev, ¶ms); | |
746 | if (ret < 0) | |
747 | return ret; | |
748 | ||
749 | if (nla_put_u8(msg, NL802154_ATTR_SEC_ENABLED, params.enabled) || | |
750 | nla_put_u32(msg, NL802154_ATTR_SEC_OUT_LEVEL, params.out_level) || | |
751 | nla_put_be32(msg, NL802154_ATTR_SEC_FRAME_COUNTER, | |
752 | params.frame_counter)) | |
753 | return -ENOBUFS; | |
754 | ||
ae0be8de | 755 | nl_key_id = nla_nest_start_noflag(msg, NL802154_ATTR_SEC_OUT_KEY_ID); |
a26c5fd7 AA |
756 | if (!nl_key_id) |
757 | return -ENOBUFS; | |
758 | ||
759 | ret = ieee802154_llsec_send_key_id(msg, ¶ms.out_key); | |
760 | if (ret < 0) | |
761 | return ret; | |
762 | ||
763 | nla_nest_end(msg, nl_key_id); | |
764 | ||
765 | return 0; | |
766 | } | |
767 | #endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */ | |
768 | ||
4b96aea0 AA |
769 | static int |
770 | nl802154_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags, | |
771 | struct cfg802154_registered_device *rdev, | |
772 | struct wpan_dev *wpan_dev) | |
773 | { | |
774 | struct net_device *dev = wpan_dev->netdev; | |
775 | void *hdr; | |
776 | ||
777 | hdr = nl802154hdr_put(msg, portid, seq, flags, | |
778 | NL802154_CMD_NEW_INTERFACE); | |
779 | if (!hdr) | |
780 | return -1; | |
781 | ||
782 | if (dev && | |
783 | (nla_put_u32(msg, NL802154_ATTR_IFINDEX, dev->ifindex) || | |
784 | nla_put_string(msg, NL802154_ATTR_IFNAME, dev->name))) | |
785 | goto nla_put_failure; | |
786 | ||
787 | if (nla_put_u32(msg, NL802154_ATTR_WPAN_PHY, rdev->wpan_phy_idx) || | |
788 | nla_put_u32(msg, NL802154_ATTR_IFTYPE, wpan_dev->iftype) || | |
a558da09 ND |
789 | nla_put_u64_64bit(msg, NL802154_ATTR_WPAN_DEV, |
790 | wpan_dev_id(wpan_dev), NL802154_ATTR_PAD) || | |
4b96aea0 AA |
791 | nla_put_u32(msg, NL802154_ATTR_GENERATION, |
792 | rdev->devlist_generation ^ | |
793 | (cfg802154_rdev_list_generation << 2))) | |
794 | goto nla_put_failure; | |
795 | ||
796 | /* address settings */ | |
797 | if (nla_put_le64(msg, NL802154_ATTR_EXTENDED_ADDR, | |
e7479122 ND |
798 | wpan_dev->extended_addr, |
799 | NL802154_ATTR_PAD) || | |
4b96aea0 AA |
800 | nla_put_le16(msg, NL802154_ATTR_SHORT_ADDR, |
801 | wpan_dev->short_addr) || | |
802 | nla_put_le16(msg, NL802154_ATTR_PAN_ID, wpan_dev->pan_id)) | |
803 | goto nla_put_failure; | |
804 | ||
805 | /* ARET handling */ | |
806 | if (nla_put_s8(msg, NL802154_ATTR_MAX_FRAME_RETRIES, | |
807 | wpan_dev->frame_retries) || | |
808 | nla_put_u8(msg, NL802154_ATTR_MAX_BE, wpan_dev->max_be) || | |
809 | nla_put_u8(msg, NL802154_ATTR_MAX_CSMA_BACKOFFS, | |
810 | wpan_dev->csma_retries) || | |
811 | nla_put_u8(msg, NL802154_ATTR_MIN_BE, wpan_dev->min_be)) | |
812 | goto nla_put_failure; | |
813 | ||
814 | /* listen before transmit */ | |
815 | if (nla_put_u8(msg, NL802154_ATTR_LBT_MODE, wpan_dev->lbt)) | |
816 | goto nla_put_failure; | |
817 | ||
c91208d8 AA |
818 | /* ackreq default behaviour */ |
819 | if (nla_put_u8(msg, NL802154_ATTR_ACKREQ_DEFAULT, wpan_dev->ackreq)) | |
820 | goto nla_put_failure; | |
821 | ||
a26c5fd7 AA |
822 | #ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL |
823 | if (nl802154_get_llsec_params(msg, rdev, wpan_dev) < 0) | |
824 | goto nla_put_failure; | |
825 | #endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */ | |
826 | ||
053c095a JB |
827 | genlmsg_end(msg, hdr); |
828 | return 0; | |
4b96aea0 AA |
829 | |
830 | nla_put_failure: | |
831 | genlmsg_cancel(msg, hdr); | |
832 | return -EMSGSIZE; | |
833 | } | |
834 | ||
835 | static int | |
836 | nl802154_dump_interface(struct sk_buff *skb, struct netlink_callback *cb) | |
837 | { | |
838 | int wp_idx = 0; | |
839 | int if_idx = 0; | |
840 | int wp_start = cb->args[0]; | |
841 | int if_start = cb->args[1]; | |
842 | struct cfg802154_registered_device *rdev; | |
843 | struct wpan_dev *wpan_dev; | |
844 | ||
845 | rtnl_lock(); | |
846 | list_for_each_entry(rdev, &cfg802154_rdev_list, list) { | |
66e5c267 AA |
847 | if (!net_eq(wpan_phy_net(&rdev->wpan_phy), sock_net(skb->sk))) |
848 | continue; | |
4b96aea0 AA |
849 | if (wp_idx < wp_start) { |
850 | wp_idx++; | |
851 | continue; | |
852 | } | |
853 | if_idx = 0; | |
854 | ||
855 | list_for_each_entry(wpan_dev, &rdev->wpan_dev_list, list) { | |
856 | if (if_idx < if_start) { | |
857 | if_idx++; | |
858 | continue; | |
859 | } | |
860 | if (nl802154_send_iface(skb, NETLINK_CB(cb->skb).portid, | |
861 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
862 | rdev, wpan_dev) < 0) { | |
863 | goto out; | |
864 | } | |
865 | if_idx++; | |
866 | } | |
867 | ||
868 | wp_idx++; | |
869 | } | |
870 | out: | |
871 | rtnl_unlock(); | |
872 | ||
873 | cb->args[0] = wp_idx; | |
874 | cb->args[1] = if_idx; | |
875 | ||
876 | return skb->len; | |
877 | } | |
878 | ||
879 | static int nl802154_get_interface(struct sk_buff *skb, struct genl_info *info) | |
880 | { | |
881 | struct sk_buff *msg; | |
882 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
883 | struct wpan_dev *wdev = info->user_ptr[1]; | |
884 | ||
885 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
886 | if (!msg) | |
887 | return -ENOMEM; | |
888 | ||
889 | if (nl802154_send_iface(msg, info->snd_portid, info->snd_seq, 0, | |
890 | rdev, wdev) < 0) { | |
891 | nlmsg_free(msg); | |
892 | return -ENOBUFS; | |
893 | } | |
894 | ||
895 | return genlmsg_reply(msg, info); | |
896 | } | |
897 | ||
f3ea5e44 AA |
898 | static int nl802154_new_interface(struct sk_buff *skb, struct genl_info *info) |
899 | { | |
900 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
901 | enum nl802154_iftype type = NL802154_IFTYPE_UNSPEC; | |
0e57547e | 902 | __le64 extended_addr = cpu_to_le64(0x0000000000000000ULL); |
f3ea5e44 AA |
903 | |
904 | /* TODO avoid failing a new interface | |
905 | * creation due to pending removal? | |
906 | */ | |
907 | ||
908 | if (!info->attrs[NL802154_ATTR_IFNAME]) | |
909 | return -EINVAL; | |
910 | ||
911 | if (info->attrs[NL802154_ATTR_IFTYPE]) { | |
912 | type = nla_get_u32(info->attrs[NL802154_ATTR_IFTYPE]); | |
65318680 AA |
913 | if (type > NL802154_IFTYPE_MAX || |
914 | !(rdev->wpan_phy.supported.iftypes & BIT(type))) | |
f3ea5e44 AA |
915 | return -EINVAL; |
916 | } | |
917 | ||
0e57547e | 918 | if (info->attrs[NL802154_ATTR_EXTENDED_ADDR]) |
1ee06ef1 | 919 | extended_addr = nla_get_le64(info->attrs[NL802154_ATTR_EXTENDED_ADDR]); |
0e57547e | 920 | |
f3ea5e44 AA |
921 | if (!rdev->ops->add_virtual_intf) |
922 | return -EOPNOTSUPP; | |
923 | ||
924 | return rdev_add_virtual_intf(rdev, | |
925 | nla_data(info->attrs[NL802154_ATTR_IFNAME]), | |
5b4a1039 | 926 | NET_NAME_USER, type, extended_addr); |
f3ea5e44 AA |
927 | } |
928 | ||
b821ecd4 AA |
929 | static int nl802154_del_interface(struct sk_buff *skb, struct genl_info *info) |
930 | { | |
931 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
932 | struct wpan_dev *wpan_dev = info->user_ptr[1]; | |
933 | ||
934 | if (!rdev->ops->del_virtual_intf) | |
935 | return -EOPNOTSUPP; | |
936 | ||
937 | /* If we remove a wpan device without a netdev then clear | |
938 | * user_ptr[1] so that nl802154_post_doit won't dereference it | |
939 | * to check if it needs to do dev_put(). Otherwise it crashes | |
940 | * since the wpan_dev has been freed, unlike with a netdev where | |
941 | * we need the dev_put() for the netdev to really be freed. | |
942 | */ | |
943 | if (!wpan_dev->netdev) | |
944 | info->user_ptr[1] = NULL; | |
945 | ||
946 | return rdev_del_virtual_intf(rdev, wpan_dev); | |
947 | } | |
948 | ||
ab0bd561 AA |
949 | static int nl802154_set_channel(struct sk_buff *skb, struct genl_info *info) |
950 | { | |
951 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
952 | u8 channel, page; | |
953 | ||
954 | if (!info->attrs[NL802154_ATTR_PAGE] || | |
955 | !info->attrs[NL802154_ATTR_CHANNEL]) | |
956 | return -EINVAL; | |
957 | ||
958 | page = nla_get_u8(info->attrs[NL802154_ATTR_PAGE]); | |
959 | channel = nla_get_u8(info->attrs[NL802154_ATTR_CHANNEL]); | |
960 | ||
961 | /* check 802.15.4 constraints */ | |
673692fa | 962 | if (page > IEEE802154_MAX_PAGE || channel > IEEE802154_MAX_CHANNEL || |
72f655e4 | 963 | !(rdev->wpan_phy.supported.channels[page] & BIT(channel))) |
ab0bd561 AA |
964 | return -EINVAL; |
965 | ||
966 | return rdev_set_channel(rdev, page, channel); | |
967 | } | |
968 | ||
ba2a9506 AA |
969 | static int nl802154_set_cca_mode(struct sk_buff *skb, struct genl_info *info) |
970 | { | |
971 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
972 | struct wpan_phy_cca cca; | |
973 | ||
fc4f8052 | 974 | if (!(rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_MODE)) |
edea8f7c AA |
975 | return -EOPNOTSUPP; |
976 | ||
ba2a9506 AA |
977 | if (!info->attrs[NL802154_ATTR_CCA_MODE]) |
978 | return -EINVAL; | |
979 | ||
980 | cca.mode = nla_get_u32(info->attrs[NL802154_ATTR_CCA_MODE]); | |
981 | /* checking 802.15.4 constraints */ | |
fea3318d AA |
982 | if (cca.mode < NL802154_CCA_ENERGY || |
983 | cca.mode > NL802154_CCA_ATTR_MAX || | |
984 | !(rdev->wpan_phy.supported.cca_modes & BIT(cca.mode))) | |
ba2a9506 AA |
985 | return -EINVAL; |
986 | ||
987 | if (cca.mode == NL802154_CCA_ENERGY_CARRIER) { | |
988 | if (!info->attrs[NL802154_ATTR_CCA_OPT]) | |
989 | return -EINVAL; | |
990 | ||
991 | cca.opt = nla_get_u32(info->attrs[NL802154_ATTR_CCA_OPT]); | |
fea3318d AA |
992 | if (cca.opt > NL802154_CCA_OPT_ATTR_MAX || |
993 | !(rdev->wpan_phy.supported.cca_opts & BIT(cca.opt))) | |
ba2a9506 AA |
994 | return -EINVAL; |
995 | } | |
996 | ||
997 | return rdev_set_cca_mode(rdev, &cca); | |
998 | } | |
999 | ||
b69644c1 AA |
1000 | static int nl802154_set_cca_ed_level(struct sk_buff *skb, struct genl_info *info) |
1001 | { | |
1002 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
1003 | s32 ed_level; | |
1004 | int i; | |
1005 | ||
1006 | if (!(rdev->wpan_phy.flags & WPAN_PHY_FLAG_CCA_ED_LEVEL)) | |
1007 | return -EOPNOTSUPP; | |
1008 | ||
1009 | if (!info->attrs[NL802154_ATTR_CCA_ED_LEVEL]) | |
1010 | return -EINVAL; | |
1011 | ||
1012 | ed_level = nla_get_s32(info->attrs[NL802154_ATTR_CCA_ED_LEVEL]); | |
1013 | ||
1014 | for (i = 0; i < rdev->wpan_phy.supported.cca_ed_levels_size; i++) { | |
1015 | if (ed_level == rdev->wpan_phy.supported.cca_ed_levels[i]) | |
1016 | return rdev_set_cca_ed_level(rdev, ed_level); | |
1017 | } | |
1018 | ||
1019 | return -EINVAL; | |
1020 | } | |
1021 | ||
0f999b09 VB |
1022 | static int nl802154_set_tx_power(struct sk_buff *skb, struct genl_info *info) |
1023 | { | |
1024 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
1025 | s32 power; | |
1026 | int i; | |
1027 | ||
1028 | if (!(rdev->wpan_phy.flags & WPAN_PHY_FLAG_TXPOWER)) | |
1029 | return -EOPNOTSUPP; | |
1030 | ||
1031 | if (!info->attrs[NL802154_ATTR_TX_POWER]) | |
1032 | return -EINVAL; | |
1033 | ||
1034 | power = nla_get_s32(info->attrs[NL802154_ATTR_TX_POWER]); | |
1035 | ||
1036 | for (i = 0; i < rdev->wpan_phy.supported.tx_powers_size; i++) { | |
1037 | if (power == rdev->wpan_phy.supported.tx_powers[i]) | |
1038 | return rdev_set_tx_power(rdev, power); | |
1039 | } | |
1040 | ||
1041 | return -EINVAL; | |
1042 | } | |
1043 | ||
702bf371 AA |
1044 | static int nl802154_set_pan_id(struct sk_buff *skb, struct genl_info *info) |
1045 | { | |
1046 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
1047 | struct net_device *dev = info->user_ptr[1]; | |
1048 | struct wpan_dev *wpan_dev = dev->ieee802154_ptr; | |
ee7b9053 | 1049 | __le16 pan_id; |
702bf371 AA |
1050 | |
1051 | /* conflict here while tx/rx calls */ | |
1052 | if (netif_running(dev)) | |
1053 | return -EBUSY; | |
1054 | ||
9e3b71f3 AA |
1055 | if (wpan_dev->lowpan_dev) { |
1056 | if (netif_running(wpan_dev->lowpan_dev)) | |
1057 | return -EBUSY; | |
1058 | } | |
1059 | ||
702bf371 | 1060 | /* don't change address fields on monitor */ |
0cf0879a AA |
1061 | if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR || |
1062 | !info->attrs[NL802154_ATTR_PAN_ID]) | |
702bf371 AA |
1063 | return -EINVAL; |
1064 | ||
ee7b9053 | 1065 | pan_id = nla_get_le16(info->attrs[NL802154_ATTR_PAN_ID]); |
702bf371 | 1066 | |
673692fa AA |
1067 | /* TODO |
1068 | * I am not sure about to check here on broadcast pan_id. | |
1069 | * Broadcast is a valid setting, comment from 802.15.4: | |
1070 | * If this value is 0xffff, the device is not associated. | |
1071 | * | |
1072 | * This could useful to simple deassociate an device. | |
1073 | */ | |
1074 | if (pan_id == cpu_to_le16(IEEE802154_PAN_ID_BROADCAST)) | |
1075 | return -EINVAL; | |
1076 | ||
702bf371 AA |
1077 | return rdev_set_pan_id(rdev, wpan_dev, pan_id); |
1078 | } | |
1079 | ||
9830c62a AA |
1080 | static int nl802154_set_short_addr(struct sk_buff *skb, struct genl_info *info) |
1081 | { | |
1082 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
1083 | struct net_device *dev = info->user_ptr[1]; | |
1084 | struct wpan_dev *wpan_dev = dev->ieee802154_ptr; | |
ee7b9053 | 1085 | __le16 short_addr; |
9830c62a AA |
1086 | |
1087 | /* conflict here while tx/rx calls */ | |
1088 | if (netif_running(dev)) | |
1089 | return -EBUSY; | |
1090 | ||
9e3b71f3 AA |
1091 | if (wpan_dev->lowpan_dev) { |
1092 | if (netif_running(wpan_dev->lowpan_dev)) | |
1093 | return -EBUSY; | |
1094 | } | |
1095 | ||
9830c62a | 1096 | /* don't change address fields on monitor */ |
0cf0879a AA |
1097 | if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR || |
1098 | !info->attrs[NL802154_ATTR_SHORT_ADDR]) | |
9830c62a AA |
1099 | return -EINVAL; |
1100 | ||
ee7b9053 | 1101 | short_addr = nla_get_le16(info->attrs[NL802154_ATTR_SHORT_ADDR]); |
9830c62a | 1102 | |
673692fa AA |
1103 | /* TODO |
1104 | * I am not sure about to check here on broadcast short_addr. | |
1105 | * Broadcast is a valid setting, comment from 802.15.4: | |
1106 | * A value of 0xfffe indicates that the device has | |
1107 | * associated but has not been allocated an address. A | |
1108 | * value of 0xffff indicates that the device does not | |
1109 | * have a short address. | |
1110 | * | |
1111 | * I think we should allow to set these settings but | |
1112 | * don't allow to allow socket communication with it. | |
1113 | */ | |
1114 | if (short_addr == cpu_to_le16(IEEE802154_ADDR_SHORT_UNSPEC) || | |
1115 | short_addr == cpu_to_le16(IEEE802154_ADDR_SHORT_BROADCAST)) | |
1116 | return -EINVAL; | |
1117 | ||
9830c62a AA |
1118 | return rdev_set_short_addr(rdev, wpan_dev, short_addr); |
1119 | } | |
1120 | ||
656a999e AA |
1121 | static int |
1122 | nl802154_set_backoff_exponent(struct sk_buff *skb, struct genl_info *info) | |
1123 | { | |
1124 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
1125 | struct net_device *dev = info->user_ptr[1]; | |
1126 | struct wpan_dev *wpan_dev = dev->ieee802154_ptr; | |
1127 | u8 min_be, max_be; | |
1128 | ||
1129 | /* should be set on netif open inside phy settings */ | |
1130 | if (netif_running(dev)) | |
1131 | return -EBUSY; | |
1132 | ||
1133 | if (!info->attrs[NL802154_ATTR_MIN_BE] || | |
1134 | !info->attrs[NL802154_ATTR_MAX_BE]) | |
1135 | return -EINVAL; | |
1136 | ||
1137 | min_be = nla_get_u8(info->attrs[NL802154_ATTR_MIN_BE]); | |
1138 | max_be = nla_get_u8(info->attrs[NL802154_ATTR_MAX_BE]); | |
1139 | ||
1140 | /* check 802.15.4 constraints */ | |
fea3318d AA |
1141 | if (min_be < rdev->wpan_phy.supported.min_minbe || |
1142 | min_be > rdev->wpan_phy.supported.max_minbe || | |
1143 | max_be < rdev->wpan_phy.supported.min_maxbe || | |
1144 | max_be > rdev->wpan_phy.supported.max_maxbe || | |
1145 | min_be > max_be) | |
656a999e AA |
1146 | return -EINVAL; |
1147 | ||
1148 | return rdev_set_backoff_exponent(rdev, wpan_dev, min_be, max_be); | |
1149 | } | |
1150 | ||
a01ba765 AA |
1151 | static int |
1152 | nl802154_set_max_csma_backoffs(struct sk_buff *skb, struct genl_info *info) | |
1153 | { | |
1154 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
1155 | struct net_device *dev = info->user_ptr[1]; | |
1156 | struct wpan_dev *wpan_dev = dev->ieee802154_ptr; | |
1157 | u8 max_csma_backoffs; | |
1158 | ||
1159 | /* conflict here while other running iface settings */ | |
1160 | if (netif_running(dev)) | |
1161 | return -EBUSY; | |
1162 | ||
1163 | if (!info->attrs[NL802154_ATTR_MAX_CSMA_BACKOFFS]) | |
1164 | return -EINVAL; | |
1165 | ||
1166 | max_csma_backoffs = nla_get_u8( | |
1167 | info->attrs[NL802154_ATTR_MAX_CSMA_BACKOFFS]); | |
1168 | ||
1169 | /* check 802.15.4 constraints */ | |
fea3318d AA |
1170 | if (max_csma_backoffs < rdev->wpan_phy.supported.min_csma_backoffs || |
1171 | max_csma_backoffs > rdev->wpan_phy.supported.max_csma_backoffs) | |
a01ba765 AA |
1172 | return -EINVAL; |
1173 | ||
1174 | return rdev_set_max_csma_backoffs(rdev, wpan_dev, max_csma_backoffs); | |
1175 | } | |
1176 | ||
17a3a46b AA |
1177 | static int |
1178 | nl802154_set_max_frame_retries(struct sk_buff *skb, struct genl_info *info) | |
1179 | { | |
1180 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
1181 | struct net_device *dev = info->user_ptr[1]; | |
1182 | struct wpan_dev *wpan_dev = dev->ieee802154_ptr; | |
1183 | s8 max_frame_retries; | |
1184 | ||
1185 | if (netif_running(dev)) | |
1186 | return -EBUSY; | |
1187 | ||
1188 | if (!info->attrs[NL802154_ATTR_MAX_FRAME_RETRIES]) | |
1189 | return -EINVAL; | |
1190 | ||
1191 | max_frame_retries = nla_get_s8( | |
1192 | info->attrs[NL802154_ATTR_MAX_FRAME_RETRIES]); | |
1193 | ||
1194 | /* check 802.15.4 constraints */ | |
fea3318d AA |
1195 | if (max_frame_retries < rdev->wpan_phy.supported.min_frame_retries || |
1196 | max_frame_retries > rdev->wpan_phy.supported.max_frame_retries) | |
17a3a46b AA |
1197 | return -EINVAL; |
1198 | ||
1199 | return rdev_set_max_frame_retries(rdev, wpan_dev, max_frame_retries); | |
1200 | } | |
1201 | ||
c8937a1d AA |
1202 | static int nl802154_set_lbt_mode(struct sk_buff *skb, struct genl_info *info) |
1203 | { | |
1204 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
1205 | struct net_device *dev = info->user_ptr[1]; | |
1206 | struct wpan_dev *wpan_dev = dev->ieee802154_ptr; | |
4e1795de | 1207 | int mode; |
c8937a1d AA |
1208 | |
1209 | if (netif_running(dev)) | |
1210 | return -EBUSY; | |
1211 | ||
1212 | if (!info->attrs[NL802154_ATTR_LBT_MODE]) | |
1213 | return -EINVAL; | |
1214 | ||
4e1795de SS |
1215 | mode = nla_get_u8(info->attrs[NL802154_ATTR_LBT_MODE]); |
1216 | ||
1217 | if (mode != 0 && mode != 1) | |
1218 | return -EINVAL; | |
1219 | ||
fea3318d AA |
1220 | if (!wpan_phy_supported_bool(mode, rdev->wpan_phy.supported.lbt)) |
1221 | return -EINVAL; | |
1222 | ||
c8937a1d AA |
1223 | return rdev_set_lbt_mode(rdev, wpan_dev, mode); |
1224 | } | |
1225 | ||
c91208d8 AA |
1226 | static int |
1227 | nl802154_set_ackreq_default(struct sk_buff *skb, struct genl_info *info) | |
1228 | { | |
1229 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
1230 | struct net_device *dev = info->user_ptr[1]; | |
1231 | struct wpan_dev *wpan_dev = dev->ieee802154_ptr; | |
4e1795de | 1232 | int ackreq; |
c91208d8 AA |
1233 | |
1234 | if (netif_running(dev)) | |
1235 | return -EBUSY; | |
1236 | ||
1237 | if (!info->attrs[NL802154_ATTR_ACKREQ_DEFAULT]) | |
1238 | return -EINVAL; | |
1239 | ||
4e1795de SS |
1240 | ackreq = nla_get_u8(info->attrs[NL802154_ATTR_ACKREQ_DEFAULT]); |
1241 | ||
1242 | if (ackreq != 0 && ackreq != 1) | |
1243 | return -EINVAL; | |
1244 | ||
c91208d8 AA |
1245 | return rdev_set_ackreq_default(rdev, wpan_dev, ackreq); |
1246 | } | |
1247 | ||
66e5c267 AA |
1248 | static int nl802154_wpan_phy_netns(struct sk_buff *skb, struct genl_info *info) |
1249 | { | |
1250 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
1251 | struct net *net; | |
1252 | int err; | |
1253 | ||
1254 | if (info->attrs[NL802154_ATTR_PID]) { | |
1255 | u32 pid = nla_get_u32(info->attrs[NL802154_ATTR_PID]); | |
1256 | ||
1257 | net = get_net_ns_by_pid(pid); | |
1258 | } else if (info->attrs[NL802154_ATTR_NETNS_FD]) { | |
1259 | u32 fd = nla_get_u32(info->attrs[NL802154_ATTR_NETNS_FD]); | |
1260 | ||
1261 | net = get_net_ns_by_fd(fd); | |
1262 | } else { | |
1263 | return -EINVAL; | |
1264 | } | |
1265 | ||
1266 | if (IS_ERR(net)) | |
1267 | return PTR_ERR(net); | |
1268 | ||
1269 | err = 0; | |
1270 | ||
1271 | /* check if anything to do */ | |
1272 | if (!net_eq(wpan_phy_net(&rdev->wpan_phy), net)) | |
1273 | err = cfg802154_switch_netns(rdev, net); | |
1274 | ||
1275 | put_net(net); | |
1276 | return err; | |
1277 | } | |
1278 | ||
a26c5fd7 AA |
1279 | #ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL |
1280 | static const struct nla_policy nl802154_dev_addr_policy[NL802154_DEV_ADDR_ATTR_MAX + 1] = { | |
1281 | [NL802154_DEV_ADDR_ATTR_PAN_ID] = { .type = NLA_U16 }, | |
1282 | [NL802154_DEV_ADDR_ATTR_MODE] = { .type = NLA_U32 }, | |
1283 | [NL802154_DEV_ADDR_ATTR_SHORT] = { .type = NLA_U16 }, | |
1284 | [NL802154_DEV_ADDR_ATTR_EXTENDED] = { .type = NLA_U64 }, | |
1285 | }; | |
79fe1a2a | 1286 | |
a26c5fd7 AA |
1287 | static int |
1288 | ieee802154_llsec_parse_dev_addr(struct nlattr *nla, | |
1289 | struct ieee802154_addr *addr) | |
79fe1a2a | 1290 | { |
a26c5fd7 | 1291 | struct nlattr *attrs[NL802154_DEV_ADDR_ATTR_MAX + 1]; |
79fe1a2a | 1292 | |
8cb08174 | 1293 | if (!nla || nla_parse_nested_deprecated(attrs, NL802154_DEV_ADDR_ATTR_MAX, nla, nl802154_dev_addr_policy, NULL)) |
a26c5fd7 | 1294 | return -EINVAL; |
79fe1a2a | 1295 | |
421eeea1 BD |
1296 | if (!attrs[NL802154_DEV_ADDR_ATTR_PAN_ID] || |
1297 | !attrs[NL802154_DEV_ADDR_ATTR_MODE] || | |
a26c5fd7 AA |
1298 | !(attrs[NL802154_DEV_ADDR_ATTR_SHORT] || |
1299 | attrs[NL802154_DEV_ADDR_ATTR_EXTENDED])) | |
1300 | return -EINVAL; | |
79fe1a2a | 1301 | |
a26c5fd7 AA |
1302 | addr->pan_id = nla_get_le16(attrs[NL802154_DEV_ADDR_ATTR_PAN_ID]); |
1303 | addr->mode = nla_get_u32(attrs[NL802154_DEV_ADDR_ATTR_MODE]); | |
1304 | switch (addr->mode) { | |
1305 | case NL802154_DEV_ADDR_SHORT: | |
1306 | addr->short_addr = nla_get_le16(attrs[NL802154_DEV_ADDR_ATTR_SHORT]); | |
1307 | break; | |
1308 | case NL802154_DEV_ADDR_EXTENDED: | |
1309 | addr->extended_addr = nla_get_le64(attrs[NL802154_DEV_ADDR_ATTR_EXTENDED]); | |
1310 | break; | |
1311 | default: | |
1312 | return -EINVAL; | |
1313 | } | |
79fe1a2a | 1314 | |
a26c5fd7 AA |
1315 | return 0; |
1316 | } | |
79fe1a2a | 1317 | |
a26c5fd7 AA |
1318 | static const struct nla_policy nl802154_key_id_policy[NL802154_KEY_ID_ATTR_MAX + 1] = { |
1319 | [NL802154_KEY_ID_ATTR_MODE] = { .type = NLA_U32 }, | |
1320 | [NL802154_KEY_ID_ATTR_INDEX] = { .type = NLA_U8 }, | |
1321 | [NL802154_KEY_ID_ATTR_IMPLICIT] = { .type = NLA_NESTED }, | |
1322 | [NL802154_KEY_ID_ATTR_SOURCE_SHORT] = { .type = NLA_U32 }, | |
1323 | [NL802154_KEY_ID_ATTR_SOURCE_EXTENDED] = { .type = NLA_U64 }, | |
1324 | }; | |
79fe1a2a | 1325 | |
a26c5fd7 AA |
1326 | static int |
1327 | ieee802154_llsec_parse_key_id(struct nlattr *nla, | |
1328 | struct ieee802154_llsec_key_id *desc) | |
1329 | { | |
1330 | struct nlattr *attrs[NL802154_KEY_ID_ATTR_MAX + 1]; | |
79fe1a2a | 1331 | |
8cb08174 | 1332 | if (!nla || nla_parse_nested_deprecated(attrs, NL802154_KEY_ID_ATTR_MAX, nla, nl802154_key_id_policy, NULL)) |
a26c5fd7 | 1333 | return -EINVAL; |
79fe1a2a | 1334 | |
a26c5fd7 AA |
1335 | if (!attrs[NL802154_KEY_ID_ATTR_MODE]) |
1336 | return -EINVAL; | |
1337 | ||
1338 | desc->mode = nla_get_u32(attrs[NL802154_KEY_ID_ATTR_MODE]); | |
1339 | switch (desc->mode) { | |
1340 | case NL802154_KEY_ID_MODE_IMPLICIT: | |
1341 | if (!attrs[NL802154_KEY_ID_ATTR_IMPLICIT]) | |
1342 | return -EINVAL; | |
1343 | ||
1344 | if (ieee802154_llsec_parse_dev_addr(attrs[NL802154_KEY_ID_ATTR_IMPLICIT], | |
1345 | &desc->device_addr) < 0) | |
1346 | return -EINVAL; | |
1347 | break; | |
1348 | case NL802154_KEY_ID_MODE_INDEX: | |
1349 | break; | |
1350 | case NL802154_KEY_ID_MODE_INDEX_SHORT: | |
1351 | if (!attrs[NL802154_KEY_ID_ATTR_SOURCE_SHORT]) | |
1352 | return -EINVAL; | |
1353 | ||
1354 | desc->short_source = nla_get_le32(attrs[NL802154_KEY_ID_ATTR_SOURCE_SHORT]); | |
1355 | break; | |
1356 | case NL802154_KEY_ID_MODE_INDEX_EXTENDED: | |
1357 | if (!attrs[NL802154_KEY_ID_ATTR_SOURCE_EXTENDED]) | |
1358 | return -EINVAL; | |
1359 | ||
1360 | desc->extended_source = nla_get_le64(attrs[NL802154_KEY_ID_ATTR_SOURCE_EXTENDED]); | |
1361 | break; | |
1362 | default: | |
1363 | return -EINVAL; | |
1364 | } | |
1365 | ||
1366 | if (desc->mode != NL802154_KEY_ID_MODE_IMPLICIT) { | |
1367 | if (!attrs[NL802154_KEY_ID_ATTR_INDEX]) | |
1368 | return -EINVAL; | |
1369 | ||
1370 | /* TODO change id to idx */ | |
1371 | desc->id = nla_get_u8(attrs[NL802154_KEY_ID_ATTR_INDEX]); | |
79fe1a2a AA |
1372 | } |
1373 | ||
1374 | return 0; | |
1375 | } | |
1376 | ||
a26c5fd7 AA |
1377 | static int nl802154_set_llsec_params(struct sk_buff *skb, |
1378 | struct genl_info *info) | |
79fe1a2a | 1379 | { |
a26c5fd7 AA |
1380 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; |
1381 | struct net_device *dev = info->user_ptr[1]; | |
1382 | struct wpan_dev *wpan_dev = dev->ieee802154_ptr; | |
1383 | struct ieee802154_llsec_params params; | |
1384 | u32 changed = 0; | |
1385 | int ret; | |
79fe1a2a | 1386 | |
a26c5fd7 AA |
1387 | if (info->attrs[NL802154_ATTR_SEC_ENABLED]) { |
1388 | u8 enabled; | |
1389 | ||
1390 | enabled = nla_get_u8(info->attrs[NL802154_ATTR_SEC_ENABLED]); | |
1391 | if (enabled != 0 && enabled != 1) | |
1392 | return -EINVAL; | |
1393 | ||
1394 | params.enabled = nla_get_u8(info->attrs[NL802154_ATTR_SEC_ENABLED]); | |
1395 | changed |= IEEE802154_LLSEC_PARAM_ENABLED; | |
1396 | } | |
1397 | ||
1398 | if (info->attrs[NL802154_ATTR_SEC_OUT_KEY_ID]) { | |
1399 | ret = ieee802154_llsec_parse_key_id(info->attrs[NL802154_ATTR_SEC_OUT_KEY_ID], | |
1400 | ¶ms.out_key); | |
1401 | if (ret < 0) | |
1402 | return ret; | |
1403 | ||
1404 | changed |= IEEE802154_LLSEC_PARAM_OUT_KEY; | |
1405 | } | |
1406 | ||
1407 | if (info->attrs[NL802154_ATTR_SEC_OUT_LEVEL]) { | |
1408 | params.out_level = nla_get_u32(info->attrs[NL802154_ATTR_SEC_OUT_LEVEL]); | |
1409 | if (params.out_level > NL802154_SECLEVEL_MAX) | |
1410 | return -EINVAL; | |
1411 | ||
1412 | changed |= IEEE802154_LLSEC_PARAM_OUT_LEVEL; | |
1413 | } | |
1414 | ||
1415 | if (info->attrs[NL802154_ATTR_SEC_FRAME_COUNTER]) { | |
1416 | params.frame_counter = nla_get_be32(info->attrs[NL802154_ATTR_SEC_FRAME_COUNTER]); | |
1417 | changed |= IEEE802154_LLSEC_PARAM_FRAME_COUNTER; | |
1418 | } | |
1419 | ||
1420 | return rdev_set_llsec_params(rdev, wpan_dev, ¶ms, changed); | |
1421 | } | |
1422 | ||
1423 | static int nl802154_send_key(struct sk_buff *msg, u32 cmd, u32 portid, | |
1424 | u32 seq, int flags, | |
1425 | struct cfg802154_registered_device *rdev, | |
1426 | struct net_device *dev, | |
1427 | const struct ieee802154_llsec_key_entry *key) | |
1428 | { | |
1429 | void *hdr; | |
1430 | u32 commands[NL802154_CMD_FRAME_NR_IDS / 32]; | |
1431 | struct nlattr *nl_key, *nl_key_id; | |
1432 | ||
1433 | hdr = nl802154hdr_put(msg, portid, seq, flags, cmd); | |
1434 | if (!hdr) | |
1435 | return -1; | |
1436 | ||
1437 | if (nla_put_u32(msg, NL802154_ATTR_IFINDEX, dev->ifindex)) | |
1438 | goto nla_put_failure; | |
1439 | ||
ae0be8de | 1440 | nl_key = nla_nest_start_noflag(msg, NL802154_ATTR_SEC_KEY); |
a26c5fd7 AA |
1441 | if (!nl_key) |
1442 | goto nla_put_failure; | |
1443 | ||
ae0be8de | 1444 | nl_key_id = nla_nest_start_noflag(msg, NL802154_KEY_ATTR_ID); |
a26c5fd7 AA |
1445 | if (!nl_key_id) |
1446 | goto nla_put_failure; | |
1447 | ||
1448 | if (ieee802154_llsec_send_key_id(msg, &key->id) < 0) | |
1449 | goto nla_put_failure; | |
1450 | ||
1451 | nla_nest_end(msg, nl_key_id); | |
1452 | ||
1453 | if (nla_put_u8(msg, NL802154_KEY_ATTR_USAGE_FRAMES, | |
1454 | key->key->frame_types)) | |
1455 | goto nla_put_failure; | |
1456 | ||
1457 | if (key->key->frame_types & BIT(NL802154_FRAME_CMD)) { | |
1458 | /* TODO for each nested */ | |
1459 | memset(commands, 0, sizeof(commands)); | |
1460 | commands[7] = key->key->cmd_frame_ids; | |
1461 | if (nla_put(msg, NL802154_KEY_ATTR_USAGE_CMDS, | |
1462 | sizeof(commands), commands)) | |
1463 | goto nla_put_failure; | |
1464 | } | |
1465 | ||
1466 | if (nla_put(msg, NL802154_KEY_ATTR_BYTES, NL802154_KEY_SIZE, | |
1467 | key->key->key)) | |
1468 | goto nla_put_failure; | |
1469 | ||
1470 | nla_nest_end(msg, nl_key); | |
1471 | genlmsg_end(msg, hdr); | |
1472 | ||
1473 | return 0; | |
1474 | ||
1475 | nla_put_failure: | |
1476 | genlmsg_cancel(msg, hdr); | |
1477 | return -EMSGSIZE; | |
1478 | } | |
1479 | ||
1480 | static int | |
1481 | nl802154_dump_llsec_key(struct sk_buff *skb, struct netlink_callback *cb) | |
1482 | { | |
1483 | struct cfg802154_registered_device *rdev = NULL; | |
1484 | struct ieee802154_llsec_key_entry *key; | |
1485 | struct ieee802154_llsec_table *table; | |
1486 | struct wpan_dev *wpan_dev; | |
1487 | int err; | |
1488 | ||
1489 | err = nl802154_prepare_wpan_dev_dump(skb, cb, &rdev, &wpan_dev); | |
1490 | if (err) | |
1491 | return err; | |
1492 | ||
1493 | if (!wpan_dev->netdev) { | |
1494 | err = -EINVAL; | |
1495 | goto out_err; | |
1496 | } | |
1497 | ||
1498 | rdev_lock_llsec_table(rdev, wpan_dev); | |
1499 | rdev_get_llsec_table(rdev, wpan_dev, &table); | |
1500 | ||
1501 | /* TODO make it like station dump */ | |
1502 | if (cb->args[2]) | |
1503 | goto out; | |
1504 | ||
1505 | list_for_each_entry(key, &table->keys, list) { | |
1506 | if (nl802154_send_key(skb, NL802154_CMD_NEW_SEC_KEY, | |
1507 | NETLINK_CB(cb->skb).portid, | |
1508 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
1509 | rdev, wpan_dev->netdev, key) < 0) { | |
1510 | /* TODO */ | |
1511 | err = -EIO; | |
1512 | rdev_unlock_llsec_table(rdev, wpan_dev); | |
1513 | goto out_err; | |
79fe1a2a AA |
1514 | } |
1515 | } | |
1516 | ||
a26c5fd7 AA |
1517 | cb->args[2] = 1; |
1518 | ||
1519 | out: | |
1520 | rdev_unlock_llsec_table(rdev, wpan_dev); | |
1521 | err = skb->len; | |
1522 | out_err: | |
1523 | nl802154_finish_wpan_dev_dump(rdev); | |
1524 | ||
1525 | return err; | |
79fe1a2a AA |
1526 | } |
1527 | ||
a26c5fd7 AA |
1528 | static const struct nla_policy nl802154_key_policy[NL802154_KEY_ATTR_MAX + 1] = { |
1529 | [NL802154_KEY_ATTR_ID] = { NLA_NESTED }, | |
1530 | /* TODO handle it as for_each_nested and NLA_FLAG? */ | |
1531 | [NL802154_KEY_ATTR_USAGE_FRAMES] = { NLA_U8 }, | |
1532 | /* TODO handle it as for_each_nested, not static array? */ | |
1533 | [NL802154_KEY_ATTR_USAGE_CMDS] = { .len = NL802154_CMD_FRAME_NR_IDS / 8 }, | |
1534 | [NL802154_KEY_ATTR_BYTES] = { .len = NL802154_KEY_SIZE }, | |
1535 | }; | |
1536 | ||
1537 | static int nl802154_add_llsec_key(struct sk_buff *skb, struct genl_info *info) | |
1538 | { | |
1539 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
1540 | struct net_device *dev = info->user_ptr[1]; | |
1541 | struct wpan_dev *wpan_dev = dev->ieee802154_ptr; | |
1542 | struct nlattr *attrs[NL802154_KEY_ATTR_MAX + 1]; | |
1543 | struct ieee802154_llsec_key key = { }; | |
1544 | struct ieee802154_llsec_key_id id = { }; | |
1545 | u32 commands[NL802154_CMD_FRAME_NR_IDS / 32] = { }; | |
1546 | ||
8cb08174 | 1547 | if (nla_parse_nested_deprecated(attrs, NL802154_KEY_ATTR_MAX, info->attrs[NL802154_ATTR_SEC_KEY], nl802154_key_policy, info->extack)) |
a26c5fd7 AA |
1548 | return -EINVAL; |
1549 | ||
1550 | if (!attrs[NL802154_KEY_ATTR_USAGE_FRAMES] || | |
1551 | !attrs[NL802154_KEY_ATTR_BYTES]) | |
aa655562 | 1552 | return -EINVAL; |
a26c5fd7 AA |
1553 | |
1554 | if (ieee802154_llsec_parse_key_id(attrs[NL802154_KEY_ATTR_ID], &id) < 0) | |
1555 | return -ENOBUFS; | |
1556 | ||
1557 | key.frame_types = nla_get_u8(attrs[NL802154_KEY_ATTR_USAGE_FRAMES]); | |
1558 | if (key.frame_types > BIT(NL802154_FRAME_MAX) || | |
1559 | ((key.frame_types & BIT(NL802154_FRAME_CMD)) && | |
1560 | !attrs[NL802154_KEY_ATTR_USAGE_CMDS])) | |
1561 | return -EINVAL; | |
1562 | ||
1563 | if (attrs[NL802154_KEY_ATTR_USAGE_CMDS]) { | |
1564 | /* TODO for each nested */ | |
1565 | nla_memcpy(commands, attrs[NL802154_KEY_ATTR_USAGE_CMDS], | |
1566 | NL802154_CMD_FRAME_NR_IDS / 8); | |
1567 | ||
1568 | /* TODO understand the -EINVAL logic here? last condition */ | |
1569 | if (commands[0] || commands[1] || commands[2] || commands[3] || | |
1570 | commands[4] || commands[5] || commands[6] || | |
1571 | commands[7] > BIT(NL802154_CMD_FRAME_MAX)) | |
1572 | return -EINVAL; | |
1573 | ||
1574 | key.cmd_frame_ids = commands[7]; | |
1575 | } else { | |
1576 | key.cmd_frame_ids = 0; | |
1577 | } | |
1578 | ||
1579 | nla_memcpy(key.key, attrs[NL802154_KEY_ATTR_BYTES], NL802154_KEY_SIZE); | |
1580 | ||
1581 | if (ieee802154_llsec_parse_key_id(attrs[NL802154_KEY_ATTR_ID], &id) < 0) | |
1582 | return -ENOBUFS; | |
1583 | ||
1584 | return rdev_add_llsec_key(rdev, wpan_dev, &id, &key); | |
1585 | } | |
1586 | ||
1587 | static int nl802154_del_llsec_key(struct sk_buff *skb, struct genl_info *info) | |
1588 | { | |
1589 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
1590 | struct net_device *dev = info->user_ptr[1]; | |
1591 | struct wpan_dev *wpan_dev = dev->ieee802154_ptr; | |
1592 | struct nlattr *attrs[NL802154_KEY_ATTR_MAX + 1]; | |
1593 | struct ieee802154_llsec_key_id id; | |
1594 | ||
8cb08174 | 1595 | if (nla_parse_nested_deprecated(attrs, NL802154_KEY_ATTR_MAX, info->attrs[NL802154_ATTR_SEC_KEY], nl802154_key_policy, info->extack)) |
a26c5fd7 AA |
1596 | return -EINVAL; |
1597 | ||
1598 | if (ieee802154_llsec_parse_key_id(attrs[NL802154_KEY_ATTR_ID], &id) < 0) | |
1599 | return -ENOBUFS; | |
1600 | ||
1601 | return rdev_del_llsec_key(rdev, wpan_dev, &id); | |
1602 | } | |
1603 | ||
1604 | static int nl802154_send_device(struct sk_buff *msg, u32 cmd, u32 portid, | |
1605 | u32 seq, int flags, | |
1606 | struct cfg802154_registered_device *rdev, | |
1607 | struct net_device *dev, | |
1608 | const struct ieee802154_llsec_device *dev_desc) | |
1609 | { | |
1610 | void *hdr; | |
1611 | struct nlattr *nl_device; | |
1612 | ||
1613 | hdr = nl802154hdr_put(msg, portid, seq, flags, cmd); | |
1614 | if (!hdr) | |
1615 | return -1; | |
1616 | ||
1617 | if (nla_put_u32(msg, NL802154_ATTR_IFINDEX, dev->ifindex)) | |
1618 | goto nla_put_failure; | |
1619 | ||
ae0be8de | 1620 | nl_device = nla_nest_start_noflag(msg, NL802154_ATTR_SEC_DEVICE); |
a26c5fd7 AA |
1621 | if (!nl_device) |
1622 | goto nla_put_failure; | |
1623 | ||
1624 | if (nla_put_u32(msg, NL802154_DEV_ATTR_FRAME_COUNTER, | |
1625 | dev_desc->frame_counter) || | |
1626 | nla_put_le16(msg, NL802154_DEV_ATTR_PAN_ID, dev_desc->pan_id) || | |
1627 | nla_put_le16(msg, NL802154_DEV_ATTR_SHORT_ADDR, | |
1628 | dev_desc->short_addr) || | |
1629 | nla_put_le64(msg, NL802154_DEV_ATTR_EXTENDED_ADDR, | |
e7479122 | 1630 | dev_desc->hwaddr, NL802154_DEV_ATTR_PAD) || |
a26c5fd7 AA |
1631 | nla_put_u8(msg, NL802154_DEV_ATTR_SECLEVEL_EXEMPT, |
1632 | dev_desc->seclevel_exempt) || | |
1633 | nla_put_u32(msg, NL802154_DEV_ATTR_KEY_MODE, dev_desc->key_mode)) | |
1634 | goto nla_put_failure; | |
1635 | ||
1636 | nla_nest_end(msg, nl_device); | |
1637 | genlmsg_end(msg, hdr); | |
1638 | ||
1639 | return 0; | |
1640 | ||
1641 | nla_put_failure: | |
1642 | genlmsg_cancel(msg, hdr); | |
1643 | return -EMSGSIZE; | |
1644 | } | |
1645 | ||
1646 | static int | |
1647 | nl802154_dump_llsec_dev(struct sk_buff *skb, struct netlink_callback *cb) | |
1648 | { | |
1649 | struct cfg802154_registered_device *rdev = NULL; | |
1650 | struct ieee802154_llsec_device *dev; | |
1651 | struct ieee802154_llsec_table *table; | |
1652 | struct wpan_dev *wpan_dev; | |
1653 | int err; | |
1654 | ||
1655 | err = nl802154_prepare_wpan_dev_dump(skb, cb, &rdev, &wpan_dev); | |
1656 | if (err) | |
1657 | return err; | |
1658 | ||
1659 | if (!wpan_dev->netdev) { | |
1660 | err = -EINVAL; | |
1661 | goto out_err; | |
1662 | } | |
1663 | ||
1664 | rdev_lock_llsec_table(rdev, wpan_dev); | |
1665 | rdev_get_llsec_table(rdev, wpan_dev, &table); | |
1666 | ||
1667 | /* TODO make it like station dump */ | |
1668 | if (cb->args[2]) | |
1669 | goto out; | |
1670 | ||
1671 | list_for_each_entry(dev, &table->devices, list) { | |
1672 | if (nl802154_send_device(skb, NL802154_CMD_NEW_SEC_LEVEL, | |
1673 | NETLINK_CB(cb->skb).portid, | |
1674 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
1675 | rdev, wpan_dev->netdev, dev) < 0) { | |
1676 | /* TODO */ | |
1677 | err = -EIO; | |
1678 | rdev_unlock_llsec_table(rdev, wpan_dev); | |
1679 | goto out_err; | |
1680 | } | |
1681 | } | |
1682 | ||
1683 | cb->args[2] = 1; | |
1684 | ||
1685 | out: | |
1686 | rdev_unlock_llsec_table(rdev, wpan_dev); | |
1687 | err = skb->len; | |
1688 | out_err: | |
1689 | nl802154_finish_wpan_dev_dump(rdev); | |
1690 | ||
1691 | return err; | |
1692 | } | |
1693 | ||
1694 | static const struct nla_policy nl802154_dev_policy[NL802154_DEV_ATTR_MAX + 1] = { | |
1695 | [NL802154_DEV_ATTR_FRAME_COUNTER] = { NLA_U32 }, | |
1696 | [NL802154_DEV_ATTR_PAN_ID] = { .type = NLA_U16 }, | |
1697 | [NL802154_DEV_ATTR_SHORT_ADDR] = { .type = NLA_U16 }, | |
1698 | [NL802154_DEV_ATTR_EXTENDED_ADDR] = { .type = NLA_U64 }, | |
1699 | [NL802154_DEV_ATTR_SECLEVEL_EXEMPT] = { NLA_U8 }, | |
1700 | [NL802154_DEV_ATTR_KEY_MODE] = { NLA_U32 }, | |
1701 | }; | |
1702 | ||
1703 | static int | |
1704 | ieee802154_llsec_parse_device(struct nlattr *nla, | |
1705 | struct ieee802154_llsec_device *dev) | |
1706 | { | |
1707 | struct nlattr *attrs[NL802154_DEV_ATTR_MAX + 1]; | |
1708 | ||
8cb08174 | 1709 | if (!nla || nla_parse_nested_deprecated(attrs, NL802154_DEV_ATTR_MAX, nla, nl802154_dev_policy, NULL)) |
a26c5fd7 AA |
1710 | return -EINVAL; |
1711 | ||
1712 | memset(dev, 0, sizeof(*dev)); | |
1713 | ||
1714 | if (!attrs[NL802154_DEV_ATTR_FRAME_COUNTER] || | |
1715 | !attrs[NL802154_DEV_ATTR_PAN_ID] || | |
1716 | !attrs[NL802154_DEV_ATTR_SHORT_ADDR] || | |
1717 | !attrs[NL802154_DEV_ATTR_EXTENDED_ADDR] || | |
1718 | !attrs[NL802154_DEV_ATTR_SECLEVEL_EXEMPT] || | |
1719 | !attrs[NL802154_DEV_ATTR_KEY_MODE]) | |
1720 | return -EINVAL; | |
1721 | ||
1722 | /* TODO be32 */ | |
1723 | dev->frame_counter = nla_get_u32(attrs[NL802154_DEV_ATTR_FRAME_COUNTER]); | |
1724 | dev->pan_id = nla_get_le16(attrs[NL802154_DEV_ATTR_PAN_ID]); | |
1725 | dev->short_addr = nla_get_le16(attrs[NL802154_DEV_ATTR_SHORT_ADDR]); | |
1726 | /* TODO rename hwaddr to extended_addr */ | |
1727 | dev->hwaddr = nla_get_le64(attrs[NL802154_DEV_ATTR_EXTENDED_ADDR]); | |
1728 | dev->seclevel_exempt = nla_get_u8(attrs[NL802154_DEV_ATTR_SECLEVEL_EXEMPT]); | |
1729 | dev->key_mode = nla_get_u32(attrs[NL802154_DEV_ATTR_KEY_MODE]); | |
1730 | ||
1731 | if (dev->key_mode > NL802154_DEVKEY_MAX || | |
1732 | (dev->seclevel_exempt != 0 && dev->seclevel_exempt != 1)) | |
1733 | return -EINVAL; | |
1734 | ||
1735 | return 0; | |
1736 | } | |
1737 | ||
1738 | static int nl802154_add_llsec_dev(struct sk_buff *skb, struct genl_info *info) | |
1739 | { | |
1740 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
1741 | struct net_device *dev = info->user_ptr[1]; | |
1742 | struct wpan_dev *wpan_dev = dev->ieee802154_ptr; | |
1743 | struct ieee802154_llsec_device dev_desc; | |
1744 | ||
1745 | if (ieee802154_llsec_parse_device(info->attrs[NL802154_ATTR_SEC_DEVICE], | |
1746 | &dev_desc) < 0) | |
1747 | return -EINVAL; | |
1748 | ||
1749 | return rdev_add_device(rdev, wpan_dev, &dev_desc); | |
1750 | } | |
1751 | ||
1752 | static int nl802154_del_llsec_dev(struct sk_buff *skb, struct genl_info *info) | |
1753 | { | |
1754 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
1755 | struct net_device *dev = info->user_ptr[1]; | |
1756 | struct wpan_dev *wpan_dev = dev->ieee802154_ptr; | |
1757 | struct nlattr *attrs[NL802154_DEV_ATTR_MAX + 1]; | |
1758 | __le64 extended_addr; | |
1759 | ||
8cb08174 | 1760 | if (nla_parse_nested_deprecated(attrs, NL802154_DEV_ATTR_MAX, info->attrs[NL802154_ATTR_SEC_DEVICE], nl802154_dev_policy, info->extack)) |
a26c5fd7 AA |
1761 | return -EINVAL; |
1762 | ||
1763 | if (!attrs[NL802154_DEV_ATTR_EXTENDED_ADDR]) | |
1764 | return -EINVAL; | |
1765 | ||
1766 | extended_addr = nla_get_le64(attrs[NL802154_DEV_ATTR_EXTENDED_ADDR]); | |
1767 | return rdev_del_device(rdev, wpan_dev, extended_addr); | |
1768 | } | |
1769 | ||
1770 | static int nl802154_send_devkey(struct sk_buff *msg, u32 cmd, u32 portid, | |
1771 | u32 seq, int flags, | |
1772 | struct cfg802154_registered_device *rdev, | |
1773 | struct net_device *dev, __le64 extended_addr, | |
1774 | const struct ieee802154_llsec_device_key *devkey) | |
1775 | { | |
1776 | void *hdr; | |
1777 | struct nlattr *nl_devkey, *nl_key_id; | |
1778 | ||
1779 | hdr = nl802154hdr_put(msg, portid, seq, flags, cmd); | |
1780 | if (!hdr) | |
1781 | return -1; | |
1782 | ||
1783 | if (nla_put_u32(msg, NL802154_ATTR_IFINDEX, dev->ifindex)) | |
1784 | goto nla_put_failure; | |
1785 | ||
ae0be8de | 1786 | nl_devkey = nla_nest_start_noflag(msg, NL802154_ATTR_SEC_DEVKEY); |
a26c5fd7 AA |
1787 | if (!nl_devkey) |
1788 | goto nla_put_failure; | |
1789 | ||
1790 | if (nla_put_le64(msg, NL802154_DEVKEY_ATTR_EXTENDED_ADDR, | |
e7479122 | 1791 | extended_addr, NL802154_DEVKEY_ATTR_PAD) || |
a26c5fd7 AA |
1792 | nla_put_u32(msg, NL802154_DEVKEY_ATTR_FRAME_COUNTER, |
1793 | devkey->frame_counter)) | |
1794 | goto nla_put_failure; | |
1795 | ||
ae0be8de | 1796 | nl_key_id = nla_nest_start_noflag(msg, NL802154_DEVKEY_ATTR_ID); |
a26c5fd7 AA |
1797 | if (!nl_key_id) |
1798 | goto nla_put_failure; | |
1799 | ||
1800 | if (ieee802154_llsec_send_key_id(msg, &devkey->key_id) < 0) | |
1801 | goto nla_put_failure; | |
1802 | ||
1803 | nla_nest_end(msg, nl_key_id); | |
1804 | nla_nest_end(msg, nl_devkey); | |
1805 | genlmsg_end(msg, hdr); | |
1806 | ||
1807 | return 0; | |
1808 | ||
1809 | nla_put_failure: | |
1810 | genlmsg_cancel(msg, hdr); | |
1811 | return -EMSGSIZE; | |
1812 | } | |
1813 | ||
1814 | static int | |
1815 | nl802154_dump_llsec_devkey(struct sk_buff *skb, struct netlink_callback *cb) | |
1816 | { | |
1817 | struct cfg802154_registered_device *rdev = NULL; | |
1818 | struct ieee802154_llsec_device_key *kpos; | |
1819 | struct ieee802154_llsec_device *dpos; | |
1820 | struct ieee802154_llsec_table *table; | |
1821 | struct wpan_dev *wpan_dev; | |
1822 | int err; | |
1823 | ||
1824 | err = nl802154_prepare_wpan_dev_dump(skb, cb, &rdev, &wpan_dev); | |
1825 | if (err) | |
1826 | return err; | |
1827 | ||
1828 | if (!wpan_dev->netdev) { | |
1829 | err = -EINVAL; | |
1830 | goto out_err; | |
1831 | } | |
1832 | ||
1833 | rdev_lock_llsec_table(rdev, wpan_dev); | |
1834 | rdev_get_llsec_table(rdev, wpan_dev, &table); | |
1835 | ||
1836 | /* TODO make it like station dump */ | |
1837 | if (cb->args[2]) | |
1838 | goto out; | |
1839 | ||
1840 | /* TODO look if remove devkey and do some nested attribute */ | |
1841 | list_for_each_entry(dpos, &table->devices, list) { | |
1842 | list_for_each_entry(kpos, &dpos->keys, list) { | |
1843 | if (nl802154_send_devkey(skb, | |
1844 | NL802154_CMD_NEW_SEC_LEVEL, | |
1845 | NETLINK_CB(cb->skb).portid, | |
1846 | cb->nlh->nlmsg_seq, | |
1847 | NLM_F_MULTI, rdev, | |
1848 | wpan_dev->netdev, | |
1849 | dpos->hwaddr, | |
1850 | kpos) < 0) { | |
1851 | /* TODO */ | |
1852 | err = -EIO; | |
1853 | rdev_unlock_llsec_table(rdev, wpan_dev); | |
1854 | goto out_err; | |
1855 | } | |
1856 | } | |
1857 | } | |
1858 | ||
1859 | cb->args[2] = 1; | |
1860 | ||
1861 | out: | |
1862 | rdev_unlock_llsec_table(rdev, wpan_dev); | |
1863 | err = skb->len; | |
1864 | out_err: | |
1865 | nl802154_finish_wpan_dev_dump(rdev); | |
1866 | ||
1867 | return err; | |
1868 | } | |
1869 | ||
1870 | static const struct nla_policy nl802154_devkey_policy[NL802154_DEVKEY_ATTR_MAX + 1] = { | |
1871 | [NL802154_DEVKEY_ATTR_FRAME_COUNTER] = { NLA_U32 }, | |
1872 | [NL802154_DEVKEY_ATTR_EXTENDED_ADDR] = { NLA_U64 }, | |
1873 | [NL802154_DEVKEY_ATTR_ID] = { NLA_NESTED }, | |
1874 | }; | |
1875 | ||
1876 | static int nl802154_add_llsec_devkey(struct sk_buff *skb, struct genl_info *info) | |
1877 | { | |
1878 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
1879 | struct net_device *dev = info->user_ptr[1]; | |
1880 | struct wpan_dev *wpan_dev = dev->ieee802154_ptr; | |
1881 | struct nlattr *attrs[NL802154_DEVKEY_ATTR_MAX + 1]; | |
1882 | struct ieee802154_llsec_device_key key; | |
1883 | __le64 extended_addr; | |
1884 | ||
1885 | if (!info->attrs[NL802154_ATTR_SEC_DEVKEY] || | |
8cb08174 | 1886 | nla_parse_nested_deprecated(attrs, NL802154_DEVKEY_ATTR_MAX, info->attrs[NL802154_ATTR_SEC_DEVKEY], nl802154_devkey_policy, info->extack) < 0) |
a26c5fd7 AA |
1887 | return -EINVAL; |
1888 | ||
1889 | if (!attrs[NL802154_DEVKEY_ATTR_FRAME_COUNTER] || | |
1890 | !attrs[NL802154_DEVKEY_ATTR_EXTENDED_ADDR]) | |
1891 | return -EINVAL; | |
1892 | ||
1893 | /* TODO change key.id ? */ | |
1894 | if (ieee802154_llsec_parse_key_id(attrs[NL802154_DEVKEY_ATTR_ID], | |
1895 | &key.key_id) < 0) | |
1896 | return -ENOBUFS; | |
1897 | ||
1898 | /* TODO be32 */ | |
1899 | key.frame_counter = nla_get_u32(attrs[NL802154_DEVKEY_ATTR_FRAME_COUNTER]); | |
1900 | /* TODO change naming hwaddr -> extended_addr | |
1901 | * check unique identifier short+pan OR extended_addr | |
1902 | */ | |
1903 | extended_addr = nla_get_le64(attrs[NL802154_DEVKEY_ATTR_EXTENDED_ADDR]); | |
1904 | return rdev_add_devkey(rdev, wpan_dev, extended_addr, &key); | |
1905 | } | |
1906 | ||
1907 | static int nl802154_del_llsec_devkey(struct sk_buff *skb, struct genl_info *info) | |
1908 | { | |
1909 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
1910 | struct net_device *dev = info->user_ptr[1]; | |
1911 | struct wpan_dev *wpan_dev = dev->ieee802154_ptr; | |
1912 | struct nlattr *attrs[NL802154_DEVKEY_ATTR_MAX + 1]; | |
1913 | struct ieee802154_llsec_device_key key; | |
1914 | __le64 extended_addr; | |
1915 | ||
8cb08174 | 1916 | if (nla_parse_nested_deprecated(attrs, NL802154_DEVKEY_ATTR_MAX, info->attrs[NL802154_ATTR_SEC_DEVKEY], nl802154_devkey_policy, info->extack)) |
a26c5fd7 AA |
1917 | return -EINVAL; |
1918 | ||
1919 | if (!attrs[NL802154_DEVKEY_ATTR_EXTENDED_ADDR]) | |
1920 | return -EINVAL; | |
1921 | ||
1922 | /* TODO change key.id ? */ | |
1923 | if (ieee802154_llsec_parse_key_id(attrs[NL802154_DEVKEY_ATTR_ID], | |
1924 | &key.key_id) < 0) | |
1925 | return -ENOBUFS; | |
1926 | ||
1927 | /* TODO change naming hwaddr -> extended_addr | |
1928 | * check unique identifier short+pan OR extended_addr | |
1929 | */ | |
1930 | extended_addr = nla_get_le64(attrs[NL802154_DEVKEY_ATTR_EXTENDED_ADDR]); | |
1931 | return rdev_del_devkey(rdev, wpan_dev, extended_addr, &key); | |
1932 | } | |
1933 | ||
1934 | static int nl802154_send_seclevel(struct sk_buff *msg, u32 cmd, u32 portid, | |
1935 | u32 seq, int flags, | |
1936 | struct cfg802154_registered_device *rdev, | |
1937 | struct net_device *dev, | |
1938 | const struct ieee802154_llsec_seclevel *sl) | |
1939 | { | |
1940 | void *hdr; | |
1941 | struct nlattr *nl_seclevel; | |
1942 | ||
1943 | hdr = nl802154hdr_put(msg, portid, seq, flags, cmd); | |
1944 | if (!hdr) | |
1945 | return -1; | |
1946 | ||
1947 | if (nla_put_u32(msg, NL802154_ATTR_IFINDEX, dev->ifindex)) | |
1948 | goto nla_put_failure; | |
1949 | ||
ae0be8de | 1950 | nl_seclevel = nla_nest_start_noflag(msg, NL802154_ATTR_SEC_LEVEL); |
a26c5fd7 AA |
1951 | if (!nl_seclevel) |
1952 | goto nla_put_failure; | |
1953 | ||
1954 | if (nla_put_u32(msg, NL802154_SECLEVEL_ATTR_FRAME, sl->frame_type) || | |
1955 | nla_put_u32(msg, NL802154_SECLEVEL_ATTR_LEVELS, sl->sec_levels) || | |
1956 | nla_put_u8(msg, NL802154_SECLEVEL_ATTR_DEV_OVERRIDE, | |
1957 | sl->device_override)) | |
1958 | goto nla_put_failure; | |
1959 | ||
1960 | if (sl->frame_type == NL802154_FRAME_CMD) { | |
1961 | if (nla_put_u32(msg, NL802154_SECLEVEL_ATTR_CMD_FRAME, | |
1962 | sl->cmd_frame_id)) | |
1963 | goto nla_put_failure; | |
1964 | } | |
1965 | ||
1966 | nla_nest_end(msg, nl_seclevel); | |
1967 | genlmsg_end(msg, hdr); | |
1968 | ||
1969 | return 0; | |
1970 | ||
1971 | nla_put_failure: | |
1972 | genlmsg_cancel(msg, hdr); | |
1973 | return -EMSGSIZE; | |
1974 | } | |
1975 | ||
1976 | static int | |
1977 | nl802154_dump_llsec_seclevel(struct sk_buff *skb, struct netlink_callback *cb) | |
1978 | { | |
1979 | struct cfg802154_registered_device *rdev = NULL; | |
1980 | struct ieee802154_llsec_seclevel *sl; | |
1981 | struct ieee802154_llsec_table *table; | |
1982 | struct wpan_dev *wpan_dev; | |
1983 | int err; | |
1984 | ||
1985 | err = nl802154_prepare_wpan_dev_dump(skb, cb, &rdev, &wpan_dev); | |
1986 | if (err) | |
1987 | return err; | |
1988 | ||
1989 | if (!wpan_dev->netdev) { | |
1990 | err = -EINVAL; | |
1991 | goto out_err; | |
1992 | } | |
1993 | ||
1994 | rdev_lock_llsec_table(rdev, wpan_dev); | |
1995 | rdev_get_llsec_table(rdev, wpan_dev, &table); | |
1996 | ||
1997 | /* TODO make it like station dump */ | |
1998 | if (cb->args[2]) | |
1999 | goto out; | |
2000 | ||
2001 | list_for_each_entry(sl, &table->security_levels, list) { | |
2002 | if (nl802154_send_seclevel(skb, NL802154_CMD_NEW_SEC_LEVEL, | |
2003 | NETLINK_CB(cb->skb).portid, | |
2004 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
2005 | rdev, wpan_dev->netdev, sl) < 0) { | |
2006 | /* TODO */ | |
2007 | err = -EIO; | |
2008 | rdev_unlock_llsec_table(rdev, wpan_dev); | |
2009 | goto out_err; | |
2010 | } | |
2011 | } | |
2012 | ||
2013 | cb->args[2] = 1; | |
2014 | ||
2015 | out: | |
2016 | rdev_unlock_llsec_table(rdev, wpan_dev); | |
2017 | err = skb->len; | |
2018 | out_err: | |
2019 | nl802154_finish_wpan_dev_dump(rdev); | |
2020 | ||
2021 | return err; | |
2022 | } | |
2023 | ||
2024 | static const struct nla_policy nl802154_seclevel_policy[NL802154_SECLEVEL_ATTR_MAX + 1] = { | |
2025 | [NL802154_SECLEVEL_ATTR_LEVELS] = { .type = NLA_U8 }, | |
2026 | [NL802154_SECLEVEL_ATTR_FRAME] = { .type = NLA_U32 }, | |
2027 | [NL802154_SECLEVEL_ATTR_CMD_FRAME] = { .type = NLA_U32 }, | |
2028 | [NL802154_SECLEVEL_ATTR_DEV_OVERRIDE] = { .type = NLA_U8 }, | |
2029 | }; | |
2030 | ||
2031 | static int | |
2032 | llsec_parse_seclevel(struct nlattr *nla, struct ieee802154_llsec_seclevel *sl) | |
2033 | { | |
2034 | struct nlattr *attrs[NL802154_SECLEVEL_ATTR_MAX + 1]; | |
2035 | ||
8cb08174 | 2036 | if (!nla || nla_parse_nested_deprecated(attrs, NL802154_SECLEVEL_ATTR_MAX, nla, nl802154_seclevel_policy, NULL)) |
a26c5fd7 AA |
2037 | return -EINVAL; |
2038 | ||
2039 | memset(sl, 0, sizeof(*sl)); | |
2040 | ||
2041 | if (!attrs[NL802154_SECLEVEL_ATTR_LEVELS] || | |
2042 | !attrs[NL802154_SECLEVEL_ATTR_FRAME] || | |
2043 | !attrs[NL802154_SECLEVEL_ATTR_DEV_OVERRIDE]) | |
2044 | return -EINVAL; | |
2045 | ||
2046 | sl->sec_levels = nla_get_u8(attrs[NL802154_SECLEVEL_ATTR_LEVELS]); | |
2047 | sl->frame_type = nla_get_u32(attrs[NL802154_SECLEVEL_ATTR_FRAME]); | |
2048 | sl->device_override = nla_get_u8(attrs[NL802154_SECLEVEL_ATTR_DEV_OVERRIDE]); | |
2049 | if (sl->frame_type > NL802154_FRAME_MAX || | |
2050 | (sl->device_override != 0 && sl->device_override != 1)) | |
2051 | return -EINVAL; | |
2052 | ||
2053 | if (sl->frame_type == NL802154_FRAME_CMD) { | |
2054 | if (!attrs[NL802154_SECLEVEL_ATTR_CMD_FRAME]) | |
2055 | return -EINVAL; | |
2056 | ||
2057 | sl->cmd_frame_id = nla_get_u32(attrs[NL802154_SECLEVEL_ATTR_CMD_FRAME]); | |
2058 | if (sl->cmd_frame_id > NL802154_CMD_FRAME_MAX) | |
2059 | return -EINVAL; | |
2060 | } | |
2061 | ||
2062 | return 0; | |
2063 | } | |
2064 | ||
2065 | static int nl802154_add_llsec_seclevel(struct sk_buff *skb, | |
2066 | struct genl_info *info) | |
2067 | { | |
2068 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
2069 | struct net_device *dev = info->user_ptr[1]; | |
2070 | struct wpan_dev *wpan_dev = dev->ieee802154_ptr; | |
2071 | struct ieee802154_llsec_seclevel sl; | |
2072 | ||
2073 | if (llsec_parse_seclevel(info->attrs[NL802154_ATTR_SEC_LEVEL], | |
2074 | &sl) < 0) | |
2075 | return -EINVAL; | |
2076 | ||
2077 | return rdev_add_seclevel(rdev, wpan_dev, &sl); | |
2078 | } | |
2079 | ||
2080 | static int nl802154_del_llsec_seclevel(struct sk_buff *skb, | |
2081 | struct genl_info *info) | |
2082 | { | |
2083 | struct cfg802154_registered_device *rdev = info->user_ptr[0]; | |
2084 | struct net_device *dev = info->user_ptr[1]; | |
2085 | struct wpan_dev *wpan_dev = dev->ieee802154_ptr; | |
2086 | struct ieee802154_llsec_seclevel sl; | |
2087 | ||
2088 | if (!info->attrs[NL802154_ATTR_SEC_LEVEL] || | |
2089 | llsec_parse_seclevel(info->attrs[NL802154_ATTR_SEC_LEVEL], | |
2090 | &sl) < 0) | |
2091 | return -EINVAL; | |
2092 | ||
2093 | return rdev_del_seclevel(rdev, wpan_dev, &sl); | |
2094 | } | |
2095 | #endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */ | |
2096 | ||
2097 | #define NL802154_FLAG_NEED_WPAN_PHY 0x01 | |
2098 | #define NL802154_FLAG_NEED_NETDEV 0x02 | |
2099 | #define NL802154_FLAG_NEED_RTNL 0x04 | |
2100 | #define NL802154_FLAG_CHECK_NETDEV_UP 0x08 | |
a26c5fd7 | 2101 | #define NL802154_FLAG_NEED_WPAN_DEV 0x10 |
a26c5fd7 AA |
2102 | |
2103 | static int nl802154_pre_doit(const struct genl_ops *ops, struct sk_buff *skb, | |
2104 | struct genl_info *info) | |
2105 | { | |
2106 | struct cfg802154_registered_device *rdev; | |
2107 | struct wpan_dev *wpan_dev; | |
2108 | struct net_device *dev; | |
2109 | bool rtnl = ops->internal_flags & NL802154_FLAG_NEED_RTNL; | |
2110 | ||
2111 | if (rtnl) | |
2112 | rtnl_lock(); | |
2113 | ||
2114 | if (ops->internal_flags & NL802154_FLAG_NEED_WPAN_PHY) { | |
2115 | rdev = cfg802154_get_dev_from_info(genl_info_net(info), info); | |
2116 | if (IS_ERR(rdev)) { | |
2117 | if (rtnl) | |
2118 | rtnl_unlock(); | |
2119 | return PTR_ERR(rdev); | |
2120 | } | |
2121 | info->user_ptr[0] = rdev; | |
2122 | } else if (ops->internal_flags & NL802154_FLAG_NEED_NETDEV || | |
2123 | ops->internal_flags & NL802154_FLAG_NEED_WPAN_DEV) { | |
2124 | ASSERT_RTNL(); | |
2125 | wpan_dev = __cfg802154_wpan_dev_from_attrs(genl_info_net(info), | |
2126 | info->attrs); | |
2127 | if (IS_ERR(wpan_dev)) { | |
2128 | if (rtnl) | |
2129 | rtnl_unlock(); | |
2130 | return PTR_ERR(wpan_dev); | |
2131 | } | |
2132 | ||
2133 | dev = wpan_dev->netdev; | |
2134 | rdev = wpan_phy_to_rdev(wpan_dev->wpan_phy); | |
2135 | ||
2136 | if (ops->internal_flags & NL802154_FLAG_NEED_NETDEV) { | |
2137 | if (!dev) { | |
2138 | if (rtnl) | |
2139 | rtnl_unlock(); | |
2140 | return -EINVAL; | |
2141 | } | |
2142 | ||
2143 | info->user_ptr[1] = dev; | |
2144 | } else { | |
2145 | info->user_ptr[1] = wpan_dev; | |
2146 | } | |
2147 | ||
2148 | if (dev) { | |
2149 | if (ops->internal_flags & NL802154_FLAG_CHECK_NETDEV_UP && | |
2150 | !netif_running(dev)) { | |
2151 | if (rtnl) | |
2152 | rtnl_unlock(); | |
2153 | return -ENETDOWN; | |
2154 | } | |
2155 | ||
2156 | dev_hold(dev); | |
2157 | } | |
2158 | ||
2159 | info->user_ptr[0] = rdev; | |
2160 | } | |
2161 | ||
2162 | return 0; | |
2163 | } | |
2164 | ||
2165 | static void nl802154_post_doit(const struct genl_ops *ops, struct sk_buff *skb, | |
2166 | struct genl_info *info) | |
2167 | { | |
2168 | if (info->user_ptr[1]) { | |
2169 | if (ops->internal_flags & NL802154_FLAG_NEED_WPAN_DEV) { | |
2170 | struct wpan_dev *wpan_dev = info->user_ptr[1]; | |
2171 | ||
2172 | if (wpan_dev->netdev) | |
2173 | dev_put(wpan_dev->netdev); | |
2174 | } else { | |
2175 | dev_put(info->user_ptr[1]); | |
2176 | } | |
2177 | } | |
2178 | ||
2179 | if (ops->internal_flags & NL802154_FLAG_NEED_RTNL) | |
2180 | rtnl_unlock(); | |
2181 | } | |
2182 | ||
2183 | static const struct genl_ops nl802154_ops[] = { | |
2184 | { | |
2185 | .cmd = NL802154_CMD_GET_WPAN_PHY, | |
75cdbdd0 JP |
2186 | .validate = GENL_DONT_VALIDATE_STRICT | |
2187 | GENL_DONT_VALIDATE_DUMP_STRICT, | |
a26c5fd7 AA |
2188 | .doit = nl802154_get_wpan_phy, |
2189 | .dumpit = nl802154_dump_wpan_phy, | |
2190 | .done = nl802154_dump_wpan_phy_done, | |
a26c5fd7 AA |
2191 | /* can be retrieved by unprivileged users */ |
2192 | .internal_flags = NL802154_FLAG_NEED_WPAN_PHY | | |
2193 | NL802154_FLAG_NEED_RTNL, | |
2194 | }, | |
2195 | { | |
2196 | .cmd = NL802154_CMD_GET_INTERFACE, | |
ef6243ac | 2197 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
a26c5fd7 AA |
2198 | .doit = nl802154_get_interface, |
2199 | .dumpit = nl802154_dump_interface, | |
a26c5fd7 AA |
2200 | /* can be retrieved by unprivileged users */ |
2201 | .internal_flags = NL802154_FLAG_NEED_WPAN_DEV | | |
2202 | NL802154_FLAG_NEED_RTNL, | |
2203 | }, | |
2204 | { | |
2205 | .cmd = NL802154_CMD_NEW_INTERFACE, | |
ef6243ac | 2206 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
a26c5fd7 | 2207 | .doit = nl802154_new_interface, |
a26c5fd7 AA |
2208 | .flags = GENL_ADMIN_PERM, |
2209 | .internal_flags = NL802154_FLAG_NEED_WPAN_PHY | | |
f3ea5e44 AA |
2210 | NL802154_FLAG_NEED_RTNL, |
2211 | }, | |
b821ecd4 AA |
2212 | { |
2213 | .cmd = NL802154_CMD_DEL_INTERFACE, | |
ef6243ac | 2214 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
b821ecd4 | 2215 | .doit = nl802154_del_interface, |
b821ecd4 AA |
2216 | .flags = GENL_ADMIN_PERM, |
2217 | .internal_flags = NL802154_FLAG_NEED_WPAN_DEV | | |
2218 | NL802154_FLAG_NEED_RTNL, | |
2219 | }, | |
ab0bd561 AA |
2220 | { |
2221 | .cmd = NL802154_CMD_SET_CHANNEL, | |
ef6243ac | 2222 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
ab0bd561 | 2223 | .doit = nl802154_set_channel, |
ab0bd561 AA |
2224 | .flags = GENL_ADMIN_PERM, |
2225 | .internal_flags = NL802154_FLAG_NEED_WPAN_PHY | | |
2226 | NL802154_FLAG_NEED_RTNL, | |
2227 | }, | |
ba2a9506 AA |
2228 | { |
2229 | .cmd = NL802154_CMD_SET_CCA_MODE, | |
ef6243ac | 2230 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
ba2a9506 | 2231 | .doit = nl802154_set_cca_mode, |
ba2a9506 AA |
2232 | .flags = GENL_ADMIN_PERM, |
2233 | .internal_flags = NL802154_FLAG_NEED_WPAN_PHY | | |
2234 | NL802154_FLAG_NEED_RTNL, | |
2235 | }, | |
b69644c1 AA |
2236 | { |
2237 | .cmd = NL802154_CMD_SET_CCA_ED_LEVEL, | |
ef6243ac | 2238 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
b69644c1 | 2239 | .doit = nl802154_set_cca_ed_level, |
b69644c1 AA |
2240 | .flags = GENL_ADMIN_PERM, |
2241 | .internal_flags = NL802154_FLAG_NEED_WPAN_PHY | | |
2242 | NL802154_FLAG_NEED_RTNL, | |
2243 | }, | |
0f999b09 VB |
2244 | { |
2245 | .cmd = NL802154_CMD_SET_TX_POWER, | |
ef6243ac | 2246 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
0f999b09 | 2247 | .doit = nl802154_set_tx_power, |
0f999b09 | 2248 | .flags = GENL_ADMIN_PERM, |
66e5c267 AA |
2249 | .internal_flags = NL802154_FLAG_NEED_WPAN_PHY | |
2250 | NL802154_FLAG_NEED_RTNL, | |
2251 | }, | |
2252 | { | |
2253 | .cmd = NL802154_CMD_SET_WPAN_PHY_NETNS, | |
ef6243ac | 2254 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
66e5c267 | 2255 | .doit = nl802154_wpan_phy_netns, |
66e5c267 | 2256 | .flags = GENL_ADMIN_PERM, |
0f999b09 VB |
2257 | .internal_flags = NL802154_FLAG_NEED_WPAN_PHY | |
2258 | NL802154_FLAG_NEED_RTNL, | |
2259 | }, | |
702bf371 AA |
2260 | { |
2261 | .cmd = NL802154_CMD_SET_PAN_ID, | |
ef6243ac | 2262 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
702bf371 | 2263 | .doit = nl802154_set_pan_id, |
702bf371 AA |
2264 | .flags = GENL_ADMIN_PERM, |
2265 | .internal_flags = NL802154_FLAG_NEED_NETDEV | | |
2266 | NL802154_FLAG_NEED_RTNL, | |
2267 | }, | |
9830c62a AA |
2268 | { |
2269 | .cmd = NL802154_CMD_SET_SHORT_ADDR, | |
ef6243ac | 2270 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
9830c62a | 2271 | .doit = nl802154_set_short_addr, |
9830c62a AA |
2272 | .flags = GENL_ADMIN_PERM, |
2273 | .internal_flags = NL802154_FLAG_NEED_NETDEV | | |
2274 | NL802154_FLAG_NEED_RTNL, | |
2275 | }, | |
656a999e AA |
2276 | { |
2277 | .cmd = NL802154_CMD_SET_BACKOFF_EXPONENT, | |
ef6243ac | 2278 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
656a999e | 2279 | .doit = nl802154_set_backoff_exponent, |
656a999e AA |
2280 | .flags = GENL_ADMIN_PERM, |
2281 | .internal_flags = NL802154_FLAG_NEED_NETDEV | | |
2282 | NL802154_FLAG_NEED_RTNL, | |
2283 | }, | |
a01ba765 AA |
2284 | { |
2285 | .cmd = NL802154_CMD_SET_MAX_CSMA_BACKOFFS, | |
ef6243ac | 2286 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
a01ba765 | 2287 | .doit = nl802154_set_max_csma_backoffs, |
a01ba765 AA |
2288 | .flags = GENL_ADMIN_PERM, |
2289 | .internal_flags = NL802154_FLAG_NEED_NETDEV | | |
2290 | NL802154_FLAG_NEED_RTNL, | |
2291 | }, | |
17a3a46b AA |
2292 | { |
2293 | .cmd = NL802154_CMD_SET_MAX_FRAME_RETRIES, | |
ef6243ac | 2294 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
17a3a46b | 2295 | .doit = nl802154_set_max_frame_retries, |
17a3a46b AA |
2296 | .flags = GENL_ADMIN_PERM, |
2297 | .internal_flags = NL802154_FLAG_NEED_NETDEV | | |
2298 | NL802154_FLAG_NEED_RTNL, | |
2299 | }, | |
c8937a1d AA |
2300 | { |
2301 | .cmd = NL802154_CMD_SET_LBT_MODE, | |
ef6243ac | 2302 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
c8937a1d | 2303 | .doit = nl802154_set_lbt_mode, |
c8937a1d AA |
2304 | .flags = GENL_ADMIN_PERM, |
2305 | .internal_flags = NL802154_FLAG_NEED_NETDEV | | |
2306 | NL802154_FLAG_NEED_RTNL, | |
2307 | }, | |
c91208d8 AA |
2308 | { |
2309 | .cmd = NL802154_CMD_SET_ACKREQ_DEFAULT, | |
ef6243ac | 2310 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
c91208d8 | 2311 | .doit = nl802154_set_ackreq_default, |
c91208d8 AA |
2312 | .flags = GENL_ADMIN_PERM, |
2313 | .internal_flags = NL802154_FLAG_NEED_NETDEV | | |
2314 | NL802154_FLAG_NEED_RTNL, | |
2315 | }, | |
a26c5fd7 AA |
2316 | #ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL |
2317 | { | |
2318 | .cmd = NL802154_CMD_SET_SEC_PARAMS, | |
ef6243ac | 2319 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
a26c5fd7 | 2320 | .doit = nl802154_set_llsec_params, |
a26c5fd7 AA |
2321 | .flags = GENL_ADMIN_PERM, |
2322 | .internal_flags = NL802154_FLAG_NEED_NETDEV | | |
2323 | NL802154_FLAG_NEED_RTNL, | |
2324 | }, | |
2325 | { | |
2326 | .cmd = NL802154_CMD_GET_SEC_KEY, | |
75cdbdd0 JP |
2327 | .validate = GENL_DONT_VALIDATE_STRICT | |
2328 | GENL_DONT_VALIDATE_DUMP_STRICT, | |
a26c5fd7 AA |
2329 | /* TODO .doit by matching key id? */ |
2330 | .dumpit = nl802154_dump_llsec_key, | |
a26c5fd7 AA |
2331 | .flags = GENL_ADMIN_PERM, |
2332 | .internal_flags = NL802154_FLAG_NEED_NETDEV | | |
2333 | NL802154_FLAG_NEED_RTNL, | |
2334 | }, | |
2335 | { | |
2336 | .cmd = NL802154_CMD_NEW_SEC_KEY, | |
ef6243ac | 2337 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
a26c5fd7 | 2338 | .doit = nl802154_add_llsec_key, |
a26c5fd7 AA |
2339 | .flags = GENL_ADMIN_PERM, |
2340 | .internal_flags = NL802154_FLAG_NEED_NETDEV | | |
2341 | NL802154_FLAG_NEED_RTNL, | |
2342 | }, | |
2343 | { | |
2344 | .cmd = NL802154_CMD_DEL_SEC_KEY, | |
ef6243ac | 2345 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
a26c5fd7 | 2346 | .doit = nl802154_del_llsec_key, |
a26c5fd7 AA |
2347 | .flags = GENL_ADMIN_PERM, |
2348 | .internal_flags = NL802154_FLAG_NEED_NETDEV | | |
2349 | NL802154_FLAG_NEED_RTNL, | |
2350 | }, | |
2351 | /* TODO unique identifier must short+pan OR extended_addr */ | |
2352 | { | |
2353 | .cmd = NL802154_CMD_GET_SEC_DEV, | |
75cdbdd0 JP |
2354 | .validate = GENL_DONT_VALIDATE_STRICT | |
2355 | GENL_DONT_VALIDATE_DUMP_STRICT, | |
a26c5fd7 AA |
2356 | /* TODO .doit by matching extended_addr? */ |
2357 | .dumpit = nl802154_dump_llsec_dev, | |
a26c5fd7 AA |
2358 | .flags = GENL_ADMIN_PERM, |
2359 | .internal_flags = NL802154_FLAG_NEED_NETDEV | | |
2360 | NL802154_FLAG_NEED_RTNL, | |
2361 | }, | |
2362 | { | |
2363 | .cmd = NL802154_CMD_NEW_SEC_DEV, | |
ef6243ac | 2364 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
a26c5fd7 | 2365 | .doit = nl802154_add_llsec_dev, |
a26c5fd7 AA |
2366 | .flags = GENL_ADMIN_PERM, |
2367 | .internal_flags = NL802154_FLAG_NEED_NETDEV | | |
2368 | NL802154_FLAG_NEED_RTNL, | |
2369 | }, | |
2370 | { | |
2371 | .cmd = NL802154_CMD_DEL_SEC_DEV, | |
ef6243ac | 2372 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
a26c5fd7 | 2373 | .doit = nl802154_del_llsec_dev, |
a26c5fd7 AA |
2374 | .flags = GENL_ADMIN_PERM, |
2375 | .internal_flags = NL802154_FLAG_NEED_NETDEV | | |
2376 | NL802154_FLAG_NEED_RTNL, | |
2377 | }, | |
2378 | /* TODO remove complete devkey, put it as nested? */ | |
2379 | { | |
2380 | .cmd = NL802154_CMD_GET_SEC_DEVKEY, | |
75cdbdd0 JP |
2381 | .validate = GENL_DONT_VALIDATE_STRICT | |
2382 | GENL_DONT_VALIDATE_DUMP_STRICT, | |
a26c5fd7 AA |
2383 | /* TODO doit by matching ??? */ |
2384 | .dumpit = nl802154_dump_llsec_devkey, | |
a26c5fd7 AA |
2385 | .flags = GENL_ADMIN_PERM, |
2386 | .internal_flags = NL802154_FLAG_NEED_NETDEV | | |
2387 | NL802154_FLAG_NEED_RTNL, | |
2388 | }, | |
2389 | { | |
2390 | .cmd = NL802154_CMD_NEW_SEC_DEVKEY, | |
ef6243ac | 2391 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
a26c5fd7 | 2392 | .doit = nl802154_add_llsec_devkey, |
a26c5fd7 AA |
2393 | .flags = GENL_ADMIN_PERM, |
2394 | .internal_flags = NL802154_FLAG_NEED_NETDEV | | |
2395 | NL802154_FLAG_NEED_RTNL, | |
2396 | }, | |
2397 | { | |
2398 | .cmd = NL802154_CMD_DEL_SEC_DEVKEY, | |
ef6243ac | 2399 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
a26c5fd7 | 2400 | .doit = nl802154_del_llsec_devkey, |
a26c5fd7 AA |
2401 | .flags = GENL_ADMIN_PERM, |
2402 | .internal_flags = NL802154_FLAG_NEED_NETDEV | | |
2403 | NL802154_FLAG_NEED_RTNL, | |
2404 | }, | |
2405 | { | |
2406 | .cmd = NL802154_CMD_GET_SEC_LEVEL, | |
75cdbdd0 JP |
2407 | .validate = GENL_DONT_VALIDATE_STRICT | |
2408 | GENL_DONT_VALIDATE_DUMP_STRICT, | |
a26c5fd7 AA |
2409 | /* TODO .doit by matching frame_type? */ |
2410 | .dumpit = nl802154_dump_llsec_seclevel, | |
a26c5fd7 AA |
2411 | .flags = GENL_ADMIN_PERM, |
2412 | .internal_flags = NL802154_FLAG_NEED_NETDEV | | |
2413 | NL802154_FLAG_NEED_RTNL, | |
2414 | }, | |
2415 | { | |
2416 | .cmd = NL802154_CMD_NEW_SEC_LEVEL, | |
ef6243ac | 2417 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
a26c5fd7 | 2418 | .doit = nl802154_add_llsec_seclevel, |
a26c5fd7 AA |
2419 | .flags = GENL_ADMIN_PERM, |
2420 | .internal_flags = NL802154_FLAG_NEED_NETDEV | | |
2421 | NL802154_FLAG_NEED_RTNL, | |
2422 | }, | |
2423 | { | |
2424 | .cmd = NL802154_CMD_DEL_SEC_LEVEL, | |
ef6243ac | 2425 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
a26c5fd7 AA |
2426 | /* TODO match frame_type only? */ |
2427 | .doit = nl802154_del_llsec_seclevel, | |
a26c5fd7 AA |
2428 | .flags = GENL_ADMIN_PERM, |
2429 | .internal_flags = NL802154_FLAG_NEED_NETDEV | | |
2430 | NL802154_FLAG_NEED_RTNL, | |
2431 | }, | |
2432 | #endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */ | |
79fe1a2a AA |
2433 | }; |
2434 | ||
56989f6d | 2435 | static struct genl_family nl802154_fam __ro_after_init = { |
489111e5 JB |
2436 | .name = NL802154_GENL_NAME, /* have users key off the name instead */ |
2437 | .hdrsize = 0, /* no private header */ | |
2438 | .version = 1, /* no particular meaning now */ | |
2439 | .maxattr = NL802154_ATTR_MAX, | |
3b0f31f2 | 2440 | .policy = nl802154_policy, |
489111e5 JB |
2441 | .netnsok = true, |
2442 | .pre_doit = nl802154_pre_doit, | |
2443 | .post_doit = nl802154_post_doit, | |
2444 | .module = THIS_MODULE, | |
2445 | .ops = nl802154_ops, | |
2446 | .n_ops = ARRAY_SIZE(nl802154_ops), | |
2447 | .mcgrps = nl802154_mcgrps, | |
2448 | .n_mcgrps = ARRAY_SIZE(nl802154_mcgrps), | |
2449 | }; | |
2450 | ||
79fe1a2a | 2451 | /* initialisation/exit functions */ |
56989f6d | 2452 | int __init nl802154_init(void) |
79fe1a2a | 2453 | { |
489111e5 | 2454 | return genl_register_family(&nl802154_fam); |
79fe1a2a AA |
2455 | } |
2456 | ||
2457 | void nl802154_exit(void) | |
2458 | { | |
2459 | genl_unregister_family(&nl802154_fam); | |
2460 | } |