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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 | ||
78fe738d DES |
42 | int ieee802154_nl_assoc_indic(struct net_device *dev, |
43 | struct ieee802154_addr *addr, u8 cap) | |
44 | { | |
45 | struct sk_buff *msg; | |
46 | ||
47 | pr_debug("%s\n", __func__); | |
48 | ||
49 | if (addr->addr_type != IEEE802154_ADDR_LONG) { | |
50 | pr_err("%s: received non-long source address!\n", __func__); | |
51 | return -EINVAL; | |
52 | } | |
53 | ||
54 | msg = ieee802154_nl_create(0, IEEE802154_ASSOCIATE_INDIC); | |
55 | if (!msg) | |
56 | return -ENOBUFS; | |
57 | ||
be51da0f DM |
58 | if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) || |
59 | nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) || | |
60 | nla_put(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN, | |
61 | dev->dev_addr) || | |
62 | nla_put(msg, IEEE802154_ATTR_SRC_HW_ADDR, IEEE802154_ADDR_LEN, | |
63 | addr->hwaddr) || | |
64 | nla_put_u8(msg, IEEE802154_ATTR_CAPABILITY, cap)) | |
65 | goto nla_put_failure; | |
78fe738d | 66 | |
2a94fe48 | 67 | return ieee802154_nl_mcast(msg, IEEE802154_COORD_MCGRP); |
78fe738d DES |
68 | |
69 | nla_put_failure: | |
70 | nlmsg_free(msg); | |
71 | return -ENOBUFS; | |
72 | } | |
73 | EXPORT_SYMBOL(ieee802154_nl_assoc_indic); | |
74 | ||
75 | int ieee802154_nl_assoc_confirm(struct net_device *dev, u16 short_addr, | |
76 | u8 status) | |
77 | { | |
78 | struct sk_buff *msg; | |
79 | ||
80 | pr_debug("%s\n", __func__); | |
81 | ||
82 | msg = ieee802154_nl_create(0, IEEE802154_ASSOCIATE_CONF); | |
83 | if (!msg) | |
84 | return -ENOBUFS; | |
85 | ||
be51da0f DM |
86 | if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) || |
87 | nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) || | |
88 | nla_put(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN, | |
89 | dev->dev_addr) || | |
90 | nla_put_u16(msg, IEEE802154_ATTR_SHORT_ADDR, short_addr) || | |
91 | nla_put_u8(msg, IEEE802154_ATTR_STATUS, status)) | |
92 | goto nla_put_failure; | |
2a94fe48 | 93 | return ieee802154_nl_mcast(msg, IEEE802154_COORD_MCGRP); |
78fe738d DES |
94 | |
95 | nla_put_failure: | |
96 | nlmsg_free(msg); | |
97 | return -ENOBUFS; | |
98 | } | |
99 | EXPORT_SYMBOL(ieee802154_nl_assoc_confirm); | |
100 | ||
101 | int ieee802154_nl_disassoc_indic(struct net_device *dev, | |
102 | struct ieee802154_addr *addr, u8 reason) | |
103 | { | |
104 | struct sk_buff *msg; | |
105 | ||
106 | pr_debug("%s\n", __func__); | |
107 | ||
108 | msg = ieee802154_nl_create(0, IEEE802154_DISASSOCIATE_INDIC); | |
109 | if (!msg) | |
110 | return -ENOBUFS; | |
111 | ||
be51da0f DM |
112 | if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) || |
113 | nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) || | |
114 | nla_put(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN, | |
115 | dev->dev_addr)) | |
116 | goto nla_put_failure; | |
117 | if (addr->addr_type == IEEE802154_ADDR_LONG) { | |
118 | if (nla_put(msg, IEEE802154_ATTR_SRC_HW_ADDR, IEEE802154_ADDR_LEN, | |
119 | addr->hwaddr)) | |
120 | goto nla_put_failure; | |
121 | } else { | |
122 | if (nla_put_u16(msg, IEEE802154_ATTR_SRC_SHORT_ADDR, | |
123 | addr->short_addr)) | |
124 | goto nla_put_failure; | |
125 | } | |
126 | if (nla_put_u8(msg, IEEE802154_ATTR_REASON, reason)) | |
127 | goto nla_put_failure; | |
2a94fe48 | 128 | return ieee802154_nl_mcast(msg, IEEE802154_COORD_MCGRP); |
78fe738d DES |
129 | |
130 | nla_put_failure: | |
131 | nlmsg_free(msg); | |
132 | return -ENOBUFS; | |
133 | } | |
134 | EXPORT_SYMBOL(ieee802154_nl_disassoc_indic); | |
135 | ||
136 | int ieee802154_nl_disassoc_confirm(struct net_device *dev, u8 status) | |
137 | { | |
138 | struct sk_buff *msg; | |
139 | ||
140 | pr_debug("%s\n", __func__); | |
141 | ||
142 | msg = ieee802154_nl_create(0, IEEE802154_DISASSOCIATE_CONF); | |
143 | if (!msg) | |
144 | return -ENOBUFS; | |
145 | ||
be51da0f DM |
146 | if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) || |
147 | nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) || | |
148 | nla_put(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN, | |
149 | dev->dev_addr) || | |
150 | nla_put_u8(msg, IEEE802154_ATTR_STATUS, status)) | |
151 | goto nla_put_failure; | |
2a94fe48 | 152 | return ieee802154_nl_mcast(msg, IEEE802154_COORD_MCGRP); |
78fe738d DES |
153 | |
154 | nla_put_failure: | |
155 | nlmsg_free(msg); | |
156 | return -ENOBUFS; | |
157 | } | |
158 | EXPORT_SYMBOL(ieee802154_nl_disassoc_confirm); | |
159 | ||
160 | int ieee802154_nl_beacon_indic(struct net_device *dev, | |
161 | u16 panid, u16 coord_addr) | |
162 | { | |
163 | struct sk_buff *msg; | |
164 | ||
165 | pr_debug("%s\n", __func__); | |
166 | ||
167 | msg = ieee802154_nl_create(0, IEEE802154_BEACON_NOTIFY_INDIC); | |
168 | if (!msg) | |
169 | return -ENOBUFS; | |
170 | ||
be51da0f DM |
171 | if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) || |
172 | nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) || | |
173 | nla_put(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN, | |
174 | dev->dev_addr) || | |
175 | nla_put_u16(msg, IEEE802154_ATTR_COORD_SHORT_ADDR, coord_addr) || | |
176 | nla_put_u16(msg, IEEE802154_ATTR_COORD_PAN_ID, panid)) | |
177 | goto nla_put_failure; | |
2a94fe48 | 178 | return ieee802154_nl_mcast(msg, IEEE802154_COORD_MCGRP); |
78fe738d DES |
179 | |
180 | nla_put_failure: | |
181 | nlmsg_free(msg); | |
182 | return -ENOBUFS; | |
183 | } | |
184 | EXPORT_SYMBOL(ieee802154_nl_beacon_indic); | |
185 | ||
186 | int ieee802154_nl_scan_confirm(struct net_device *dev, | |
187 | u8 status, u8 scan_type, u32 unscanned, u8 page, | |
188 | u8 *edl/* , struct list_head *pan_desc_list */) | |
189 | { | |
190 | struct sk_buff *msg; | |
191 | ||
192 | pr_debug("%s\n", __func__); | |
193 | ||
194 | msg = ieee802154_nl_create(0, IEEE802154_SCAN_CONF); | |
195 | if (!msg) | |
196 | return -ENOBUFS; | |
197 | ||
be51da0f DM |
198 | if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) || |
199 | nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) || | |
200 | nla_put(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN, | |
201 | dev->dev_addr) || | |
202 | nla_put_u8(msg, IEEE802154_ATTR_STATUS, status) || | |
203 | nla_put_u8(msg, IEEE802154_ATTR_SCAN_TYPE, scan_type) || | |
204 | nla_put_u32(msg, IEEE802154_ATTR_CHANNELS, unscanned) || | |
205 | nla_put_u8(msg, IEEE802154_ATTR_PAGE, page) || | |
206 | (edl && | |
207 | nla_put(msg, IEEE802154_ATTR_ED_LIST, 27, edl))) | |
208 | goto nla_put_failure; | |
2a94fe48 | 209 | return ieee802154_nl_mcast(msg, IEEE802154_COORD_MCGRP); |
78fe738d DES |
210 | |
211 | nla_put_failure: | |
212 | nlmsg_free(msg); | |
213 | return -ENOBUFS; | |
214 | } | |
215 | EXPORT_SYMBOL(ieee802154_nl_scan_confirm); | |
216 | ||
217 | int ieee802154_nl_start_confirm(struct net_device *dev, u8 status) | |
218 | { | |
219 | struct sk_buff *msg; | |
220 | ||
221 | pr_debug("%s\n", __func__); | |
222 | ||
223 | msg = ieee802154_nl_create(0, IEEE802154_START_CONF); | |
224 | if (!msg) | |
225 | return -ENOBUFS; | |
226 | ||
be51da0f DM |
227 | if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) || |
228 | nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) || | |
229 | nla_put(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN, | |
230 | dev->dev_addr) || | |
231 | nla_put_u8(msg, IEEE802154_ATTR_STATUS, status)) | |
232 | goto nla_put_failure; | |
2a94fe48 | 233 | return ieee802154_nl_mcast(msg, IEEE802154_COORD_MCGRP); |
78fe738d DES |
234 | |
235 | nla_put_failure: | |
236 | nlmsg_free(msg); | |
237 | return -ENOBUFS; | |
238 | } | |
239 | EXPORT_SYMBOL(ieee802154_nl_start_confirm); | |
240 | ||
15e47304 | 241 | static int ieee802154_nl_fill_iface(struct sk_buff *msg, u32 portid, |
78fe738d DES |
242 | u32 seq, int flags, struct net_device *dev) |
243 | { | |
244 | void *hdr; | |
0a868b26 | 245 | struct wpan_phy *phy; |
78fe738d DES |
246 | |
247 | pr_debug("%s\n", __func__); | |
248 | ||
249 | hdr = genlmsg_put(msg, 0, seq, &nl802154_family, flags, | |
250 | IEEE802154_LIST_IFACE); | |
251 | if (!hdr) | |
252 | goto out; | |
253 | ||
0a868b26 DES |
254 | phy = ieee802154_mlme_ops(dev)->get_phy(dev); |
255 | BUG_ON(!phy); | |
256 | ||
be51da0f DM |
257 | if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) || |
258 | nla_put_string(msg, IEEE802154_ATTR_PHY_NAME, wpan_phy_name(phy)) || | |
259 | nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) || | |
260 | nla_put(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN, | |
261 | dev->dev_addr) || | |
262 | nla_put_u16(msg, IEEE802154_ATTR_SHORT_ADDR, | |
263 | ieee802154_mlme_ops(dev)->get_short_addr(dev)) || | |
264 | nla_put_u16(msg, IEEE802154_ATTR_PAN_ID, | |
265 | ieee802154_mlme_ops(dev)->get_pan_id(dev))) | |
266 | goto nla_put_failure; | |
0a868b26 | 267 | wpan_phy_put(phy); |
78fe738d DES |
268 | return genlmsg_end(msg, hdr); |
269 | ||
270 | nla_put_failure: | |
0a868b26 | 271 | wpan_phy_put(phy); |
78fe738d DES |
272 | genlmsg_cancel(msg, hdr); |
273 | out: | |
274 | return -EMSGSIZE; | |
275 | } | |
276 | ||
277 | /* Requests from userspace */ | |
278 | static struct net_device *ieee802154_nl_get_dev(struct genl_info *info) | |
279 | { | |
280 | struct net_device *dev; | |
281 | ||
282 | if (info->attrs[IEEE802154_ATTR_DEV_NAME]) { | |
283 | char name[IFNAMSIZ + 1]; | |
284 | nla_strlcpy(name, info->attrs[IEEE802154_ATTR_DEV_NAME], | |
285 | sizeof(name)); | |
286 | dev = dev_get_by_name(&init_net, name); | |
287 | } else if (info->attrs[IEEE802154_ATTR_DEV_INDEX]) | |
288 | dev = dev_get_by_index(&init_net, | |
289 | nla_get_u32(info->attrs[IEEE802154_ATTR_DEV_INDEX])); | |
290 | else | |
291 | return NULL; | |
292 | ||
293 | if (!dev) | |
294 | return NULL; | |
295 | ||
296 | if (dev->type != ARPHRD_IEEE802154) { | |
297 | dev_put(dev); | |
298 | return NULL; | |
299 | } | |
300 | ||
301 | return dev; | |
302 | } | |
303 | ||
1c582d91 | 304 | int ieee802154_associate_req(struct sk_buff *skb, struct genl_info *info) |
78fe738d DES |
305 | { |
306 | struct net_device *dev; | |
307 | struct ieee802154_addr addr; | |
308 | u8 page; | |
56aa091d | 309 | int ret = -EOPNOTSUPP; |
78fe738d DES |
310 | |
311 | if (!info->attrs[IEEE802154_ATTR_CHANNEL] || | |
312 | !info->attrs[IEEE802154_ATTR_COORD_PAN_ID] || | |
313 | (!info->attrs[IEEE802154_ATTR_COORD_HW_ADDR] && | |
314 | !info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR]) || | |
315 | !info->attrs[IEEE802154_ATTR_CAPABILITY]) | |
316 | return -EINVAL; | |
317 | ||
318 | dev = ieee802154_nl_get_dev(info); | |
319 | if (!dev) | |
320 | return -ENODEV; | |
56aa091d WA |
321 | if (!ieee802154_mlme_ops(dev)->assoc_req) |
322 | goto out; | |
78fe738d DES |
323 | |
324 | if (info->attrs[IEEE802154_ATTR_COORD_HW_ADDR]) { | |
325 | addr.addr_type = IEEE802154_ADDR_LONG; | |
326 | nla_memcpy(addr.hwaddr, | |
327 | info->attrs[IEEE802154_ATTR_COORD_HW_ADDR], | |
328 | IEEE802154_ADDR_LEN); | |
329 | } else { | |
330 | addr.addr_type = IEEE802154_ADDR_SHORT; | |
331 | addr.short_addr = nla_get_u16( | |
332 | info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR]); | |
333 | } | |
334 | addr.pan_id = nla_get_u16(info->attrs[IEEE802154_ATTR_COORD_PAN_ID]); | |
335 | ||
336 | if (info->attrs[IEEE802154_ATTR_PAGE]) | |
337 | page = nla_get_u8(info->attrs[IEEE802154_ATTR_PAGE]); | |
338 | else | |
339 | page = 0; | |
340 | ||
341 | ret = ieee802154_mlme_ops(dev)->assoc_req(dev, &addr, | |
342 | nla_get_u8(info->attrs[IEEE802154_ATTR_CHANNEL]), | |
343 | page, | |
344 | nla_get_u8(info->attrs[IEEE802154_ATTR_CAPABILITY])); | |
345 | ||
56aa091d | 346 | out: |
78fe738d DES |
347 | dev_put(dev); |
348 | return ret; | |
349 | } | |
350 | ||
1c582d91 | 351 | int ieee802154_associate_resp(struct sk_buff *skb, struct genl_info *info) |
78fe738d DES |
352 | { |
353 | struct net_device *dev; | |
354 | struct ieee802154_addr addr; | |
56aa091d | 355 | int ret = -EOPNOTSUPP; |
78fe738d DES |
356 | |
357 | if (!info->attrs[IEEE802154_ATTR_STATUS] || | |
358 | !info->attrs[IEEE802154_ATTR_DEST_HW_ADDR] || | |
359 | !info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]) | |
360 | return -EINVAL; | |
361 | ||
362 | dev = ieee802154_nl_get_dev(info); | |
363 | if (!dev) | |
364 | return -ENODEV; | |
56aa091d WA |
365 | if (!ieee802154_mlme_ops(dev)->assoc_resp) |
366 | goto out; | |
78fe738d DES |
367 | |
368 | addr.addr_type = IEEE802154_ADDR_LONG; | |
369 | nla_memcpy(addr.hwaddr, info->attrs[IEEE802154_ATTR_DEST_HW_ADDR], | |
370 | IEEE802154_ADDR_LEN); | |
371 | addr.pan_id = ieee802154_mlme_ops(dev)->get_pan_id(dev); | |
372 | ||
373 | ||
374 | ret = ieee802154_mlme_ops(dev)->assoc_resp(dev, &addr, | |
375 | nla_get_u16(info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]), | |
376 | nla_get_u8(info->attrs[IEEE802154_ATTR_STATUS])); | |
377 | ||
56aa091d | 378 | out: |
78fe738d DES |
379 | dev_put(dev); |
380 | return ret; | |
381 | } | |
382 | ||
1c582d91 | 383 | int ieee802154_disassociate_req(struct sk_buff *skb, struct genl_info *info) |
78fe738d DES |
384 | { |
385 | struct net_device *dev; | |
386 | struct ieee802154_addr addr; | |
56aa091d | 387 | int ret = -EOPNOTSUPP; |
78fe738d DES |
388 | |
389 | if ((!info->attrs[IEEE802154_ATTR_DEST_HW_ADDR] && | |
390 | !info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]) || | |
391 | !info->attrs[IEEE802154_ATTR_REASON]) | |
392 | return -EINVAL; | |
393 | ||
394 | dev = ieee802154_nl_get_dev(info); | |
395 | if (!dev) | |
396 | return -ENODEV; | |
56aa091d WA |
397 | if (!ieee802154_mlme_ops(dev)->disassoc_req) |
398 | goto out; | |
78fe738d DES |
399 | |
400 | if (info->attrs[IEEE802154_ATTR_DEST_HW_ADDR]) { | |
401 | addr.addr_type = IEEE802154_ADDR_LONG; | |
402 | nla_memcpy(addr.hwaddr, | |
403 | info->attrs[IEEE802154_ATTR_DEST_HW_ADDR], | |
404 | IEEE802154_ADDR_LEN); | |
405 | } else { | |
406 | addr.addr_type = IEEE802154_ADDR_SHORT; | |
407 | addr.short_addr = nla_get_u16( | |
408 | info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]); | |
409 | } | |
410 | addr.pan_id = ieee802154_mlme_ops(dev)->get_pan_id(dev); | |
411 | ||
412 | ret = ieee802154_mlme_ops(dev)->disassoc_req(dev, &addr, | |
413 | nla_get_u8(info->attrs[IEEE802154_ATTR_REASON])); | |
414 | ||
56aa091d | 415 | out: |
78fe738d DES |
416 | dev_put(dev); |
417 | return ret; | |
418 | } | |
419 | ||
420 | /* | |
421 | * PANid, channel, beacon_order = 15, superframe_order = 15, | |
422 | * PAN_coordinator, battery_life_extension = 0, | |
423 | * coord_realignment = 0, security_enable = 0 | |
424 | */ | |
1c582d91 | 425 | int ieee802154_start_req(struct sk_buff *skb, struct genl_info *info) |
78fe738d DES |
426 | { |
427 | struct net_device *dev; | |
428 | struct ieee802154_addr addr; | |
429 | ||
430 | u8 channel, bcn_ord, sf_ord; | |
431 | u8 page; | |
432 | int pan_coord, blx, coord_realign; | |
56aa091d | 433 | int ret = -EOPNOTSUPP; |
78fe738d DES |
434 | |
435 | if (!info->attrs[IEEE802154_ATTR_COORD_PAN_ID] || | |
436 | !info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR] || | |
437 | !info->attrs[IEEE802154_ATTR_CHANNEL] || | |
438 | !info->attrs[IEEE802154_ATTR_BCN_ORD] || | |
439 | !info->attrs[IEEE802154_ATTR_SF_ORD] || | |
440 | !info->attrs[IEEE802154_ATTR_PAN_COORD] || | |
441 | !info->attrs[IEEE802154_ATTR_BAT_EXT] || | |
442 | !info->attrs[IEEE802154_ATTR_COORD_REALIGN] | |
443 | ) | |
444 | return -EINVAL; | |
445 | ||
446 | dev = ieee802154_nl_get_dev(info); | |
447 | if (!dev) | |
448 | return -ENODEV; | |
56aa091d WA |
449 | if (!ieee802154_mlme_ops(dev)->start_req) |
450 | goto out; | |
78fe738d DES |
451 | |
452 | addr.addr_type = IEEE802154_ADDR_SHORT; | |
453 | addr.short_addr = nla_get_u16( | |
454 | info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR]); | |
455 | addr.pan_id = nla_get_u16(info->attrs[IEEE802154_ATTR_COORD_PAN_ID]); | |
456 | ||
457 | channel = nla_get_u8(info->attrs[IEEE802154_ATTR_CHANNEL]); | |
458 | bcn_ord = nla_get_u8(info->attrs[IEEE802154_ATTR_BCN_ORD]); | |
459 | sf_ord = nla_get_u8(info->attrs[IEEE802154_ATTR_SF_ORD]); | |
460 | pan_coord = nla_get_u8(info->attrs[IEEE802154_ATTR_PAN_COORD]); | |
461 | blx = nla_get_u8(info->attrs[IEEE802154_ATTR_BAT_EXT]); | |
462 | coord_realign = nla_get_u8(info->attrs[IEEE802154_ATTR_COORD_REALIGN]); | |
463 | ||
464 | if (info->attrs[IEEE802154_ATTR_PAGE]) | |
465 | page = nla_get_u8(info->attrs[IEEE802154_ATTR_PAGE]); | |
466 | else | |
467 | page = 0; | |
468 | ||
469 | ||
470 | if (addr.short_addr == IEEE802154_ADDR_BROADCAST) { | |
471 | ieee802154_nl_start_confirm(dev, IEEE802154_NO_SHORT_ADDRESS); | |
472 | dev_put(dev); | |
473 | return -EINVAL; | |
474 | } | |
475 | ||
476 | ret = ieee802154_mlme_ops(dev)->start_req(dev, &addr, channel, page, | |
477 | bcn_ord, sf_ord, pan_coord, blx, coord_realign); | |
478 | ||
56aa091d | 479 | out: |
78fe738d DES |
480 | dev_put(dev); |
481 | return ret; | |
482 | } | |
483 | ||
1c582d91 | 484 | int ieee802154_scan_req(struct sk_buff *skb, struct genl_info *info) |
78fe738d DES |
485 | { |
486 | struct net_device *dev; | |
56aa091d | 487 | int ret = -EOPNOTSUPP; |
78fe738d DES |
488 | u8 type; |
489 | u32 channels; | |
490 | u8 duration; | |
491 | u8 page; | |
492 | ||
493 | if (!info->attrs[IEEE802154_ATTR_SCAN_TYPE] || | |
494 | !info->attrs[IEEE802154_ATTR_CHANNELS] || | |
495 | !info->attrs[IEEE802154_ATTR_DURATION]) | |
496 | return -EINVAL; | |
497 | ||
498 | dev = ieee802154_nl_get_dev(info); | |
499 | if (!dev) | |
500 | return -ENODEV; | |
56aa091d WA |
501 | if (!ieee802154_mlme_ops(dev)->scan_req) |
502 | goto out; | |
78fe738d DES |
503 | |
504 | type = nla_get_u8(info->attrs[IEEE802154_ATTR_SCAN_TYPE]); | |
505 | channels = nla_get_u32(info->attrs[IEEE802154_ATTR_CHANNELS]); | |
506 | duration = nla_get_u8(info->attrs[IEEE802154_ATTR_DURATION]); | |
507 | ||
508 | if (info->attrs[IEEE802154_ATTR_PAGE]) | |
509 | page = nla_get_u8(info->attrs[IEEE802154_ATTR_PAGE]); | |
510 | else | |
511 | page = 0; | |
512 | ||
513 | ||
514 | ret = ieee802154_mlme_ops(dev)->scan_req(dev, type, channels, page, | |
515 | duration); | |
516 | ||
56aa091d | 517 | out: |
78fe738d DES |
518 | dev_put(dev); |
519 | return ret; | |
520 | } | |
521 | ||
1c582d91 | 522 | int ieee802154_list_iface(struct sk_buff *skb, struct genl_info *info) |
78fe738d DES |
523 | { |
524 | /* Request for interface name, index, type, IEEE address, | |
525 | PAN Id, short address */ | |
526 | struct sk_buff *msg; | |
527 | struct net_device *dev = NULL; | |
528 | int rc = -ENOBUFS; | |
529 | ||
530 | pr_debug("%s\n", __func__); | |
531 | ||
532 | dev = ieee802154_nl_get_dev(info); | |
533 | if (!dev) | |
534 | return -ENODEV; | |
535 | ||
58050fce | 536 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
78fe738d DES |
537 | if (!msg) |
538 | goto out_dev; | |
539 | ||
15e47304 | 540 | rc = ieee802154_nl_fill_iface(msg, info->snd_portid, info->snd_seq, |
78fe738d DES |
541 | 0, dev); |
542 | if (rc < 0) | |
543 | goto out_free; | |
544 | ||
545 | dev_put(dev); | |
546 | ||
547 | return genlmsg_reply(msg, info); | |
548 | out_free: | |
549 | nlmsg_free(msg); | |
550 | out_dev: | |
551 | dev_put(dev); | |
552 | return rc; | |
553 | ||
554 | } | |
555 | ||
1c582d91 | 556 | int ieee802154_dump_iface(struct sk_buff *skb, struct netlink_callback *cb) |
78fe738d DES |
557 | { |
558 | struct net *net = sock_net(skb->sk); | |
559 | struct net_device *dev; | |
560 | int idx; | |
561 | int s_idx = cb->args[0]; | |
562 | ||
563 | pr_debug("%s\n", __func__); | |
564 | ||
565 | idx = 0; | |
566 | for_each_netdev(net, dev) { | |
567 | if (idx < s_idx || (dev->type != ARPHRD_IEEE802154)) | |
568 | goto cont; | |
569 | ||
15e47304 | 570 | if (ieee802154_nl_fill_iface(skb, NETLINK_CB(cb->skb).portid, |
78fe738d DES |
571 | cb->nlh->nlmsg_seq, NLM_F_MULTI, dev) < 0) |
572 | break; | |
573 | cont: | |
574 | idx++; | |
575 | } | |
576 | cb->args[0] = idx; | |
577 | ||
578 | return skb->len; | |
579 | } |