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Commit | Line | Data |
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78fe738d DES |
1 | /* |
2 | * Netlink inteface for IEEE 802.15.4 stack | |
3 | * | |
4 | * Copyright 2007, 2008 Siemens AG | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License version 2 | |
8 | * as published by the Free Software Foundation. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License along | |
16 | * with this program; if not, write to the Free Software Foundation, Inc., | |
17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 | * | |
19 | * Written by: | |
20 | * Sergey Lapin <slapin@ossfans.org> | |
21 | * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> | |
22 | * Maxim Osipov <maxim.osipov@siemens.com> | |
23 | */ | |
24 | ||
5a0e3ad6 | 25 | #include <linux/gfp.h> |
78fe738d DES |
26 | #include <linux/kernel.h> |
27 | #include <linux/if_arp.h> | |
28 | #include <linux/netdevice.h> | |
29 | #include <net/netlink.h> | |
30 | #include <net/genetlink.h> | |
31 | #include <net/sock.h> | |
32 | #include <linux/nl802154.h> | |
bc3b2d7f | 33 | #include <linux/export.h> |
78fe738d DES |
34 | #include <net/af_ieee802154.h> |
35 | #include <net/nl802154.h> | |
36 | #include <net/ieee802154.h> | |
37 | #include <net/ieee802154_netdev.h> | |
0a868b26 | 38 | #include <net/wpan-phy.h> |
78fe738d DES |
39 | |
40 | #include "ieee802154.h" | |
41 | ||
42 | static struct genl_multicast_group ieee802154_coord_mcgrp = { | |
43 | .name = IEEE802154_MCAST_COORD_NAME, | |
44 | }; | |
45 | ||
46 | static struct genl_multicast_group ieee802154_beacon_mcgrp = { | |
47 | .name = IEEE802154_MCAST_BEACON_NAME, | |
48 | }; | |
49 | ||
50 | int ieee802154_nl_assoc_indic(struct net_device *dev, | |
51 | struct ieee802154_addr *addr, u8 cap) | |
52 | { | |
53 | struct sk_buff *msg; | |
54 | ||
55 | pr_debug("%s\n", __func__); | |
56 | ||
57 | if (addr->addr_type != IEEE802154_ADDR_LONG) { | |
58 | pr_err("%s: received non-long source address!\n", __func__); | |
59 | return -EINVAL; | |
60 | } | |
61 | ||
62 | msg = ieee802154_nl_create(0, IEEE802154_ASSOCIATE_INDIC); | |
63 | if (!msg) | |
64 | return -ENOBUFS; | |
65 | ||
be51da0f DM |
66 | if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) || |
67 | nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) || | |
68 | nla_put(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN, | |
69 | dev->dev_addr) || | |
70 | nla_put(msg, IEEE802154_ATTR_SRC_HW_ADDR, IEEE802154_ADDR_LEN, | |
71 | addr->hwaddr) || | |
72 | nla_put_u8(msg, IEEE802154_ATTR_CAPABILITY, cap)) | |
73 | goto nla_put_failure; | |
78fe738d DES |
74 | |
75 | return ieee802154_nl_mcast(msg, ieee802154_coord_mcgrp.id); | |
76 | ||
77 | nla_put_failure: | |
78 | nlmsg_free(msg); | |
79 | return -ENOBUFS; | |
80 | } | |
81 | EXPORT_SYMBOL(ieee802154_nl_assoc_indic); | |
82 | ||
83 | int ieee802154_nl_assoc_confirm(struct net_device *dev, u16 short_addr, | |
84 | u8 status) | |
85 | { | |
86 | struct sk_buff *msg; | |
87 | ||
88 | pr_debug("%s\n", __func__); | |
89 | ||
90 | msg = ieee802154_nl_create(0, IEEE802154_ASSOCIATE_CONF); | |
91 | if (!msg) | |
92 | return -ENOBUFS; | |
93 | ||
be51da0f DM |
94 | if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) || |
95 | nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) || | |
96 | nla_put(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN, | |
97 | dev->dev_addr) || | |
98 | nla_put_u16(msg, IEEE802154_ATTR_SHORT_ADDR, short_addr) || | |
99 | nla_put_u8(msg, IEEE802154_ATTR_STATUS, status)) | |
100 | goto nla_put_failure; | |
78fe738d DES |
101 | return ieee802154_nl_mcast(msg, ieee802154_coord_mcgrp.id); |
102 | ||
103 | nla_put_failure: | |
104 | nlmsg_free(msg); | |
105 | return -ENOBUFS; | |
106 | } | |
107 | EXPORT_SYMBOL(ieee802154_nl_assoc_confirm); | |
108 | ||
109 | int ieee802154_nl_disassoc_indic(struct net_device *dev, | |
110 | struct ieee802154_addr *addr, u8 reason) | |
111 | { | |
112 | struct sk_buff *msg; | |
113 | ||
114 | pr_debug("%s\n", __func__); | |
115 | ||
116 | msg = ieee802154_nl_create(0, IEEE802154_DISASSOCIATE_INDIC); | |
117 | if (!msg) | |
118 | return -ENOBUFS; | |
119 | ||
be51da0f DM |
120 | if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) || |
121 | nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) || | |
122 | nla_put(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN, | |
123 | dev->dev_addr)) | |
124 | goto nla_put_failure; | |
125 | if (addr->addr_type == IEEE802154_ADDR_LONG) { | |
126 | if (nla_put(msg, IEEE802154_ATTR_SRC_HW_ADDR, IEEE802154_ADDR_LEN, | |
127 | addr->hwaddr)) | |
128 | goto nla_put_failure; | |
129 | } else { | |
130 | if (nla_put_u16(msg, IEEE802154_ATTR_SRC_SHORT_ADDR, | |
131 | addr->short_addr)) | |
132 | goto nla_put_failure; | |
133 | } | |
134 | if (nla_put_u8(msg, IEEE802154_ATTR_REASON, reason)) | |
135 | goto nla_put_failure; | |
78fe738d DES |
136 | return ieee802154_nl_mcast(msg, ieee802154_coord_mcgrp.id); |
137 | ||
138 | nla_put_failure: | |
139 | nlmsg_free(msg); | |
140 | return -ENOBUFS; | |
141 | } | |
142 | EXPORT_SYMBOL(ieee802154_nl_disassoc_indic); | |
143 | ||
144 | int ieee802154_nl_disassoc_confirm(struct net_device *dev, u8 status) | |
145 | { | |
146 | struct sk_buff *msg; | |
147 | ||
148 | pr_debug("%s\n", __func__); | |
149 | ||
150 | msg = ieee802154_nl_create(0, IEEE802154_DISASSOCIATE_CONF); | |
151 | if (!msg) | |
152 | return -ENOBUFS; | |
153 | ||
be51da0f DM |
154 | if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) || |
155 | nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) || | |
156 | nla_put(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN, | |
157 | dev->dev_addr) || | |
158 | nla_put_u8(msg, IEEE802154_ATTR_STATUS, status)) | |
159 | goto nla_put_failure; | |
78fe738d DES |
160 | return ieee802154_nl_mcast(msg, ieee802154_coord_mcgrp.id); |
161 | ||
162 | nla_put_failure: | |
163 | nlmsg_free(msg); | |
164 | return -ENOBUFS; | |
165 | } | |
166 | EXPORT_SYMBOL(ieee802154_nl_disassoc_confirm); | |
167 | ||
168 | int ieee802154_nl_beacon_indic(struct net_device *dev, | |
169 | u16 panid, u16 coord_addr) | |
170 | { | |
171 | struct sk_buff *msg; | |
172 | ||
173 | pr_debug("%s\n", __func__); | |
174 | ||
175 | msg = ieee802154_nl_create(0, IEEE802154_BEACON_NOTIFY_INDIC); | |
176 | if (!msg) | |
177 | return -ENOBUFS; | |
178 | ||
be51da0f DM |
179 | if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) || |
180 | nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) || | |
181 | nla_put(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN, | |
182 | dev->dev_addr) || | |
183 | nla_put_u16(msg, IEEE802154_ATTR_COORD_SHORT_ADDR, coord_addr) || | |
184 | nla_put_u16(msg, IEEE802154_ATTR_COORD_PAN_ID, panid)) | |
185 | goto nla_put_failure; | |
78fe738d DES |
186 | return ieee802154_nl_mcast(msg, ieee802154_coord_mcgrp.id); |
187 | ||
188 | nla_put_failure: | |
189 | nlmsg_free(msg); | |
190 | return -ENOBUFS; | |
191 | } | |
192 | EXPORT_SYMBOL(ieee802154_nl_beacon_indic); | |
193 | ||
194 | int ieee802154_nl_scan_confirm(struct net_device *dev, | |
195 | u8 status, u8 scan_type, u32 unscanned, u8 page, | |
196 | u8 *edl/* , struct list_head *pan_desc_list */) | |
197 | { | |
198 | struct sk_buff *msg; | |
199 | ||
200 | pr_debug("%s\n", __func__); | |
201 | ||
202 | msg = ieee802154_nl_create(0, IEEE802154_SCAN_CONF); | |
203 | if (!msg) | |
204 | return -ENOBUFS; | |
205 | ||
be51da0f DM |
206 | if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) || |
207 | nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) || | |
208 | nla_put(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN, | |
209 | dev->dev_addr) || | |
210 | nla_put_u8(msg, IEEE802154_ATTR_STATUS, status) || | |
211 | nla_put_u8(msg, IEEE802154_ATTR_SCAN_TYPE, scan_type) || | |
212 | nla_put_u32(msg, IEEE802154_ATTR_CHANNELS, unscanned) || | |
213 | nla_put_u8(msg, IEEE802154_ATTR_PAGE, page) || | |
214 | (edl && | |
215 | nla_put(msg, IEEE802154_ATTR_ED_LIST, 27, edl))) | |
216 | goto nla_put_failure; | |
78fe738d DES |
217 | return ieee802154_nl_mcast(msg, ieee802154_coord_mcgrp.id); |
218 | ||
219 | nla_put_failure: | |
220 | nlmsg_free(msg); | |
221 | return -ENOBUFS; | |
222 | } | |
223 | EXPORT_SYMBOL(ieee802154_nl_scan_confirm); | |
224 | ||
225 | int ieee802154_nl_start_confirm(struct net_device *dev, u8 status) | |
226 | { | |
227 | struct sk_buff *msg; | |
228 | ||
229 | pr_debug("%s\n", __func__); | |
230 | ||
231 | msg = ieee802154_nl_create(0, IEEE802154_START_CONF); | |
232 | if (!msg) | |
233 | return -ENOBUFS; | |
234 | ||
be51da0f DM |
235 | if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) || |
236 | nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) || | |
237 | nla_put(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN, | |
238 | dev->dev_addr) || | |
239 | nla_put_u8(msg, IEEE802154_ATTR_STATUS, status)) | |
240 | goto nla_put_failure; | |
78fe738d DES |
241 | return ieee802154_nl_mcast(msg, ieee802154_coord_mcgrp.id); |
242 | ||
243 | nla_put_failure: | |
244 | nlmsg_free(msg); | |
245 | return -ENOBUFS; | |
246 | } | |
247 | EXPORT_SYMBOL(ieee802154_nl_start_confirm); | |
248 | ||
15e47304 | 249 | static int ieee802154_nl_fill_iface(struct sk_buff *msg, u32 portid, |
78fe738d DES |
250 | u32 seq, int flags, struct net_device *dev) |
251 | { | |
252 | void *hdr; | |
0a868b26 | 253 | struct wpan_phy *phy; |
78fe738d DES |
254 | |
255 | pr_debug("%s\n", __func__); | |
256 | ||
257 | hdr = genlmsg_put(msg, 0, seq, &nl802154_family, flags, | |
258 | IEEE802154_LIST_IFACE); | |
259 | if (!hdr) | |
260 | goto out; | |
261 | ||
0a868b26 DES |
262 | phy = ieee802154_mlme_ops(dev)->get_phy(dev); |
263 | BUG_ON(!phy); | |
264 | ||
be51da0f DM |
265 | if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) || |
266 | nla_put_string(msg, IEEE802154_ATTR_PHY_NAME, wpan_phy_name(phy)) || | |
267 | nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) || | |
268 | nla_put(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN, | |
269 | dev->dev_addr) || | |
270 | nla_put_u16(msg, IEEE802154_ATTR_SHORT_ADDR, | |
271 | ieee802154_mlme_ops(dev)->get_short_addr(dev)) || | |
272 | nla_put_u16(msg, IEEE802154_ATTR_PAN_ID, | |
273 | ieee802154_mlme_ops(dev)->get_pan_id(dev))) | |
274 | goto nla_put_failure; | |
0a868b26 | 275 | wpan_phy_put(phy); |
78fe738d DES |
276 | return genlmsg_end(msg, hdr); |
277 | ||
278 | nla_put_failure: | |
0a868b26 | 279 | wpan_phy_put(phy); |
78fe738d DES |
280 | genlmsg_cancel(msg, hdr); |
281 | out: | |
282 | return -EMSGSIZE; | |
283 | } | |
284 | ||
285 | /* Requests from userspace */ | |
286 | static struct net_device *ieee802154_nl_get_dev(struct genl_info *info) | |
287 | { | |
288 | struct net_device *dev; | |
289 | ||
290 | if (info->attrs[IEEE802154_ATTR_DEV_NAME]) { | |
291 | char name[IFNAMSIZ + 1]; | |
292 | nla_strlcpy(name, info->attrs[IEEE802154_ATTR_DEV_NAME], | |
293 | sizeof(name)); | |
294 | dev = dev_get_by_name(&init_net, name); | |
295 | } else if (info->attrs[IEEE802154_ATTR_DEV_INDEX]) | |
296 | dev = dev_get_by_index(&init_net, | |
297 | nla_get_u32(info->attrs[IEEE802154_ATTR_DEV_INDEX])); | |
298 | else | |
299 | return NULL; | |
300 | ||
301 | if (!dev) | |
302 | return NULL; | |
303 | ||
304 | if (dev->type != ARPHRD_IEEE802154) { | |
305 | dev_put(dev); | |
306 | return NULL; | |
307 | } | |
308 | ||
309 | return dev; | |
310 | } | |
311 | ||
312 | static int ieee802154_associate_req(struct sk_buff *skb, | |
313 | struct genl_info *info) | |
314 | { | |
315 | struct net_device *dev; | |
316 | struct ieee802154_addr addr; | |
317 | u8 page; | |
56aa091d | 318 | int ret = -EOPNOTSUPP; |
78fe738d DES |
319 | |
320 | if (!info->attrs[IEEE802154_ATTR_CHANNEL] || | |
321 | !info->attrs[IEEE802154_ATTR_COORD_PAN_ID] || | |
322 | (!info->attrs[IEEE802154_ATTR_COORD_HW_ADDR] && | |
323 | !info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR]) || | |
324 | !info->attrs[IEEE802154_ATTR_CAPABILITY]) | |
325 | return -EINVAL; | |
326 | ||
327 | dev = ieee802154_nl_get_dev(info); | |
328 | if (!dev) | |
329 | return -ENODEV; | |
56aa091d WA |
330 | if (!ieee802154_mlme_ops(dev)->assoc_req) |
331 | goto out; | |
78fe738d DES |
332 | |
333 | if (info->attrs[IEEE802154_ATTR_COORD_HW_ADDR]) { | |
334 | addr.addr_type = IEEE802154_ADDR_LONG; | |
335 | nla_memcpy(addr.hwaddr, | |
336 | info->attrs[IEEE802154_ATTR_COORD_HW_ADDR], | |
337 | IEEE802154_ADDR_LEN); | |
338 | } else { | |
339 | addr.addr_type = IEEE802154_ADDR_SHORT; | |
340 | addr.short_addr = nla_get_u16( | |
341 | info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR]); | |
342 | } | |
343 | addr.pan_id = nla_get_u16(info->attrs[IEEE802154_ATTR_COORD_PAN_ID]); | |
344 | ||
345 | if (info->attrs[IEEE802154_ATTR_PAGE]) | |
346 | page = nla_get_u8(info->attrs[IEEE802154_ATTR_PAGE]); | |
347 | else | |
348 | page = 0; | |
349 | ||
350 | ret = ieee802154_mlme_ops(dev)->assoc_req(dev, &addr, | |
351 | nla_get_u8(info->attrs[IEEE802154_ATTR_CHANNEL]), | |
352 | page, | |
353 | nla_get_u8(info->attrs[IEEE802154_ATTR_CAPABILITY])); | |
354 | ||
56aa091d | 355 | out: |
78fe738d DES |
356 | dev_put(dev); |
357 | return ret; | |
358 | } | |
359 | ||
360 | static int ieee802154_associate_resp(struct sk_buff *skb, | |
361 | struct genl_info *info) | |
362 | { | |
363 | struct net_device *dev; | |
364 | struct ieee802154_addr addr; | |
56aa091d | 365 | int ret = -EOPNOTSUPP; |
78fe738d DES |
366 | |
367 | if (!info->attrs[IEEE802154_ATTR_STATUS] || | |
368 | !info->attrs[IEEE802154_ATTR_DEST_HW_ADDR] || | |
369 | !info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]) | |
370 | return -EINVAL; | |
371 | ||
372 | dev = ieee802154_nl_get_dev(info); | |
373 | if (!dev) | |
374 | return -ENODEV; | |
56aa091d WA |
375 | if (!ieee802154_mlme_ops(dev)->assoc_resp) |
376 | goto out; | |
78fe738d DES |
377 | |
378 | addr.addr_type = IEEE802154_ADDR_LONG; | |
379 | nla_memcpy(addr.hwaddr, info->attrs[IEEE802154_ATTR_DEST_HW_ADDR], | |
380 | IEEE802154_ADDR_LEN); | |
381 | addr.pan_id = ieee802154_mlme_ops(dev)->get_pan_id(dev); | |
382 | ||
383 | ||
384 | ret = ieee802154_mlme_ops(dev)->assoc_resp(dev, &addr, | |
385 | nla_get_u16(info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]), | |
386 | nla_get_u8(info->attrs[IEEE802154_ATTR_STATUS])); | |
387 | ||
56aa091d | 388 | out: |
78fe738d DES |
389 | dev_put(dev); |
390 | return ret; | |
391 | } | |
392 | ||
393 | static int ieee802154_disassociate_req(struct sk_buff *skb, | |
394 | struct genl_info *info) | |
395 | { | |
396 | struct net_device *dev; | |
397 | struct ieee802154_addr addr; | |
56aa091d | 398 | int ret = -EOPNOTSUPP; |
78fe738d DES |
399 | |
400 | if ((!info->attrs[IEEE802154_ATTR_DEST_HW_ADDR] && | |
401 | !info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]) || | |
402 | !info->attrs[IEEE802154_ATTR_REASON]) | |
403 | return -EINVAL; | |
404 | ||
405 | dev = ieee802154_nl_get_dev(info); | |
406 | if (!dev) | |
407 | return -ENODEV; | |
56aa091d WA |
408 | if (!ieee802154_mlme_ops(dev)->disassoc_req) |
409 | goto out; | |
78fe738d DES |
410 | |
411 | if (info->attrs[IEEE802154_ATTR_DEST_HW_ADDR]) { | |
412 | addr.addr_type = IEEE802154_ADDR_LONG; | |
413 | nla_memcpy(addr.hwaddr, | |
414 | info->attrs[IEEE802154_ATTR_DEST_HW_ADDR], | |
415 | IEEE802154_ADDR_LEN); | |
416 | } else { | |
417 | addr.addr_type = IEEE802154_ADDR_SHORT; | |
418 | addr.short_addr = nla_get_u16( | |
419 | info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]); | |
420 | } | |
421 | addr.pan_id = ieee802154_mlme_ops(dev)->get_pan_id(dev); | |
422 | ||
423 | ret = ieee802154_mlme_ops(dev)->disassoc_req(dev, &addr, | |
424 | nla_get_u8(info->attrs[IEEE802154_ATTR_REASON])); | |
425 | ||
56aa091d | 426 | out: |
78fe738d DES |
427 | dev_put(dev); |
428 | return ret; | |
429 | } | |
430 | ||
431 | /* | |
432 | * PANid, channel, beacon_order = 15, superframe_order = 15, | |
433 | * PAN_coordinator, battery_life_extension = 0, | |
434 | * coord_realignment = 0, security_enable = 0 | |
435 | */ | |
436 | static int ieee802154_start_req(struct sk_buff *skb, struct genl_info *info) | |
437 | { | |
438 | struct net_device *dev; | |
439 | struct ieee802154_addr addr; | |
440 | ||
441 | u8 channel, bcn_ord, sf_ord; | |
442 | u8 page; | |
443 | int pan_coord, blx, coord_realign; | |
56aa091d | 444 | int ret = -EOPNOTSUPP; |
78fe738d DES |
445 | |
446 | if (!info->attrs[IEEE802154_ATTR_COORD_PAN_ID] || | |
447 | !info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR] || | |
448 | !info->attrs[IEEE802154_ATTR_CHANNEL] || | |
449 | !info->attrs[IEEE802154_ATTR_BCN_ORD] || | |
450 | !info->attrs[IEEE802154_ATTR_SF_ORD] || | |
451 | !info->attrs[IEEE802154_ATTR_PAN_COORD] || | |
452 | !info->attrs[IEEE802154_ATTR_BAT_EXT] || | |
453 | !info->attrs[IEEE802154_ATTR_COORD_REALIGN] | |
454 | ) | |
455 | return -EINVAL; | |
456 | ||
457 | dev = ieee802154_nl_get_dev(info); | |
458 | if (!dev) | |
459 | return -ENODEV; | |
56aa091d WA |
460 | if (!ieee802154_mlme_ops(dev)->start_req) |
461 | goto out; | |
78fe738d DES |
462 | |
463 | addr.addr_type = IEEE802154_ADDR_SHORT; | |
464 | addr.short_addr = nla_get_u16( | |
465 | info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR]); | |
466 | addr.pan_id = nla_get_u16(info->attrs[IEEE802154_ATTR_COORD_PAN_ID]); | |
467 | ||
468 | channel = nla_get_u8(info->attrs[IEEE802154_ATTR_CHANNEL]); | |
469 | bcn_ord = nla_get_u8(info->attrs[IEEE802154_ATTR_BCN_ORD]); | |
470 | sf_ord = nla_get_u8(info->attrs[IEEE802154_ATTR_SF_ORD]); | |
471 | pan_coord = nla_get_u8(info->attrs[IEEE802154_ATTR_PAN_COORD]); | |
472 | blx = nla_get_u8(info->attrs[IEEE802154_ATTR_BAT_EXT]); | |
473 | coord_realign = nla_get_u8(info->attrs[IEEE802154_ATTR_COORD_REALIGN]); | |
474 | ||
475 | if (info->attrs[IEEE802154_ATTR_PAGE]) | |
476 | page = nla_get_u8(info->attrs[IEEE802154_ATTR_PAGE]); | |
477 | else | |
478 | page = 0; | |
479 | ||
480 | ||
481 | if (addr.short_addr == IEEE802154_ADDR_BROADCAST) { | |
482 | ieee802154_nl_start_confirm(dev, IEEE802154_NO_SHORT_ADDRESS); | |
483 | dev_put(dev); | |
484 | return -EINVAL; | |
485 | } | |
486 | ||
487 | ret = ieee802154_mlme_ops(dev)->start_req(dev, &addr, channel, page, | |
488 | bcn_ord, sf_ord, pan_coord, blx, coord_realign); | |
489 | ||
56aa091d | 490 | out: |
78fe738d DES |
491 | dev_put(dev); |
492 | return ret; | |
493 | } | |
494 | ||
495 | static int ieee802154_scan_req(struct sk_buff *skb, struct genl_info *info) | |
496 | { | |
497 | struct net_device *dev; | |
56aa091d | 498 | int ret = -EOPNOTSUPP; |
78fe738d DES |
499 | u8 type; |
500 | u32 channels; | |
501 | u8 duration; | |
502 | u8 page; | |
503 | ||
504 | if (!info->attrs[IEEE802154_ATTR_SCAN_TYPE] || | |
505 | !info->attrs[IEEE802154_ATTR_CHANNELS] || | |
506 | !info->attrs[IEEE802154_ATTR_DURATION]) | |
507 | return -EINVAL; | |
508 | ||
509 | dev = ieee802154_nl_get_dev(info); | |
510 | if (!dev) | |
511 | return -ENODEV; | |
56aa091d WA |
512 | if (!ieee802154_mlme_ops(dev)->scan_req) |
513 | goto out; | |
78fe738d DES |
514 | |
515 | type = nla_get_u8(info->attrs[IEEE802154_ATTR_SCAN_TYPE]); | |
516 | channels = nla_get_u32(info->attrs[IEEE802154_ATTR_CHANNELS]); | |
517 | duration = nla_get_u8(info->attrs[IEEE802154_ATTR_DURATION]); | |
518 | ||
519 | if (info->attrs[IEEE802154_ATTR_PAGE]) | |
520 | page = nla_get_u8(info->attrs[IEEE802154_ATTR_PAGE]); | |
521 | else | |
522 | page = 0; | |
523 | ||
524 | ||
525 | ret = ieee802154_mlme_ops(dev)->scan_req(dev, type, channels, page, | |
526 | duration); | |
527 | ||
56aa091d | 528 | out: |
78fe738d DES |
529 | dev_put(dev); |
530 | return ret; | |
531 | } | |
532 | ||
533 | static int ieee802154_list_iface(struct sk_buff *skb, | |
534 | struct genl_info *info) | |
535 | { | |
536 | /* Request for interface name, index, type, IEEE address, | |
537 | PAN Id, short address */ | |
538 | struct sk_buff *msg; | |
539 | struct net_device *dev = NULL; | |
540 | int rc = -ENOBUFS; | |
541 | ||
542 | pr_debug("%s\n", __func__); | |
543 | ||
544 | dev = ieee802154_nl_get_dev(info); | |
545 | if (!dev) | |
546 | return -ENODEV; | |
547 | ||
58050fce | 548 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
78fe738d DES |
549 | if (!msg) |
550 | goto out_dev; | |
551 | ||
15e47304 | 552 | rc = ieee802154_nl_fill_iface(msg, info->snd_portid, info->snd_seq, |
78fe738d DES |
553 | 0, dev); |
554 | if (rc < 0) | |
555 | goto out_free; | |
556 | ||
557 | dev_put(dev); | |
558 | ||
559 | return genlmsg_reply(msg, info); | |
560 | out_free: | |
561 | nlmsg_free(msg); | |
562 | out_dev: | |
563 | dev_put(dev); | |
564 | return rc; | |
565 | ||
566 | } | |
567 | ||
568 | static int ieee802154_dump_iface(struct sk_buff *skb, | |
569 | struct netlink_callback *cb) | |
570 | { | |
571 | struct net *net = sock_net(skb->sk); | |
572 | struct net_device *dev; | |
573 | int idx; | |
574 | int s_idx = cb->args[0]; | |
575 | ||
576 | pr_debug("%s\n", __func__); | |
577 | ||
578 | idx = 0; | |
579 | for_each_netdev(net, dev) { | |
580 | if (idx < s_idx || (dev->type != ARPHRD_IEEE802154)) | |
581 | goto cont; | |
582 | ||
15e47304 | 583 | if (ieee802154_nl_fill_iface(skb, NETLINK_CB(cb->skb).portid, |
78fe738d DES |
584 | cb->nlh->nlmsg_seq, NLM_F_MULTI, dev) < 0) |
585 | break; | |
586 | cont: | |
587 | idx++; | |
588 | } | |
589 | cb->args[0] = idx; | |
590 | ||
591 | return skb->len; | |
592 | } | |
593 | ||
594 | static struct genl_ops ieee802154_coordinator_ops[] = { | |
595 | IEEE802154_OP(IEEE802154_ASSOCIATE_REQ, ieee802154_associate_req), | |
596 | IEEE802154_OP(IEEE802154_ASSOCIATE_RESP, ieee802154_associate_resp), | |
597 | IEEE802154_OP(IEEE802154_DISASSOCIATE_REQ, ieee802154_disassociate_req), | |
598 | IEEE802154_OP(IEEE802154_SCAN_REQ, ieee802154_scan_req), | |
599 | IEEE802154_OP(IEEE802154_START_REQ, ieee802154_start_req), | |
600 | IEEE802154_DUMP(IEEE802154_LIST_IFACE, ieee802154_list_iface, | |
601 | ieee802154_dump_iface), | |
602 | }; | |
603 | ||
604 | /* | |
605 | * No need to unregister as family unregistration will do it. | |
606 | */ | |
607 | int nl802154_mac_register(void) | |
608 | { | |
609 | int i; | |
610 | int rc; | |
611 | ||
612 | rc = genl_register_mc_group(&nl802154_family, | |
613 | &ieee802154_coord_mcgrp); | |
614 | if (rc) | |
615 | return rc; | |
616 | ||
617 | rc = genl_register_mc_group(&nl802154_family, | |
618 | &ieee802154_beacon_mcgrp); | |
619 | if (rc) | |
620 | return rc; | |
621 | ||
622 | for (i = 0; i < ARRAY_SIZE(ieee802154_coordinator_ops); i++) { | |
623 | rc = genl_register_ops(&nl802154_family, | |
624 | &ieee802154_coordinator_ops[i]); | |
625 | if (rc) | |
626 | return rc; | |
627 | } | |
628 | ||
629 | return 0; | |
630 | } |