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; | |
318 | int ret = -EINVAL; | |
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; | |
330 | ||
331 | if (info->attrs[IEEE802154_ATTR_COORD_HW_ADDR]) { | |
332 | addr.addr_type = IEEE802154_ADDR_LONG; | |
333 | nla_memcpy(addr.hwaddr, | |
334 | info->attrs[IEEE802154_ATTR_COORD_HW_ADDR], | |
335 | IEEE802154_ADDR_LEN); | |
336 | } else { | |
337 | addr.addr_type = IEEE802154_ADDR_SHORT; | |
338 | addr.short_addr = nla_get_u16( | |
339 | info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR]); | |
340 | } | |
341 | addr.pan_id = nla_get_u16(info->attrs[IEEE802154_ATTR_COORD_PAN_ID]); | |
342 | ||
343 | if (info->attrs[IEEE802154_ATTR_PAGE]) | |
344 | page = nla_get_u8(info->attrs[IEEE802154_ATTR_PAGE]); | |
345 | else | |
346 | page = 0; | |
347 | ||
348 | ret = ieee802154_mlme_ops(dev)->assoc_req(dev, &addr, | |
349 | nla_get_u8(info->attrs[IEEE802154_ATTR_CHANNEL]), | |
350 | page, | |
351 | nla_get_u8(info->attrs[IEEE802154_ATTR_CAPABILITY])); | |
352 | ||
353 | dev_put(dev); | |
354 | return ret; | |
355 | } | |
356 | ||
357 | static int ieee802154_associate_resp(struct sk_buff *skb, | |
358 | struct genl_info *info) | |
359 | { | |
360 | struct net_device *dev; | |
361 | struct ieee802154_addr addr; | |
362 | int ret = -EINVAL; | |
363 | ||
364 | if (!info->attrs[IEEE802154_ATTR_STATUS] || | |
365 | !info->attrs[IEEE802154_ATTR_DEST_HW_ADDR] || | |
366 | !info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]) | |
367 | return -EINVAL; | |
368 | ||
369 | dev = ieee802154_nl_get_dev(info); | |
370 | if (!dev) | |
371 | return -ENODEV; | |
372 | ||
373 | addr.addr_type = IEEE802154_ADDR_LONG; | |
374 | nla_memcpy(addr.hwaddr, info->attrs[IEEE802154_ATTR_DEST_HW_ADDR], | |
375 | IEEE802154_ADDR_LEN); | |
376 | addr.pan_id = ieee802154_mlme_ops(dev)->get_pan_id(dev); | |
377 | ||
378 | ||
379 | ret = ieee802154_mlme_ops(dev)->assoc_resp(dev, &addr, | |
380 | nla_get_u16(info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]), | |
381 | nla_get_u8(info->attrs[IEEE802154_ATTR_STATUS])); | |
382 | ||
383 | dev_put(dev); | |
384 | return ret; | |
385 | } | |
386 | ||
387 | static int ieee802154_disassociate_req(struct sk_buff *skb, | |
388 | struct genl_info *info) | |
389 | { | |
390 | struct net_device *dev; | |
391 | struct ieee802154_addr addr; | |
392 | int ret = -EINVAL; | |
393 | ||
394 | if ((!info->attrs[IEEE802154_ATTR_DEST_HW_ADDR] && | |
395 | !info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]) || | |
396 | !info->attrs[IEEE802154_ATTR_REASON]) | |
397 | return -EINVAL; | |
398 | ||
399 | dev = ieee802154_nl_get_dev(info); | |
400 | if (!dev) | |
401 | return -ENODEV; | |
402 | ||
403 | if (info->attrs[IEEE802154_ATTR_DEST_HW_ADDR]) { | |
404 | addr.addr_type = IEEE802154_ADDR_LONG; | |
405 | nla_memcpy(addr.hwaddr, | |
406 | info->attrs[IEEE802154_ATTR_DEST_HW_ADDR], | |
407 | IEEE802154_ADDR_LEN); | |
408 | } else { | |
409 | addr.addr_type = IEEE802154_ADDR_SHORT; | |
410 | addr.short_addr = nla_get_u16( | |
411 | info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]); | |
412 | } | |
413 | addr.pan_id = ieee802154_mlme_ops(dev)->get_pan_id(dev); | |
414 | ||
415 | ret = ieee802154_mlme_ops(dev)->disassoc_req(dev, &addr, | |
416 | nla_get_u8(info->attrs[IEEE802154_ATTR_REASON])); | |
417 | ||
418 | dev_put(dev); | |
419 | return ret; | |
420 | } | |
421 | ||
422 | /* | |
423 | * PANid, channel, beacon_order = 15, superframe_order = 15, | |
424 | * PAN_coordinator, battery_life_extension = 0, | |
425 | * coord_realignment = 0, security_enable = 0 | |
426 | */ | |
427 | static int ieee802154_start_req(struct sk_buff *skb, struct genl_info *info) | |
428 | { | |
429 | struct net_device *dev; | |
430 | struct ieee802154_addr addr; | |
431 | ||
432 | u8 channel, bcn_ord, sf_ord; | |
433 | u8 page; | |
434 | int pan_coord, blx, coord_realign; | |
435 | int ret; | |
436 | ||
437 | if (!info->attrs[IEEE802154_ATTR_COORD_PAN_ID] || | |
438 | !info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR] || | |
439 | !info->attrs[IEEE802154_ATTR_CHANNEL] || | |
440 | !info->attrs[IEEE802154_ATTR_BCN_ORD] || | |
441 | !info->attrs[IEEE802154_ATTR_SF_ORD] || | |
442 | !info->attrs[IEEE802154_ATTR_PAN_COORD] || | |
443 | !info->attrs[IEEE802154_ATTR_BAT_EXT] || | |
444 | !info->attrs[IEEE802154_ATTR_COORD_REALIGN] | |
445 | ) | |
446 | return -EINVAL; | |
447 | ||
448 | dev = ieee802154_nl_get_dev(info); | |
449 | if (!dev) | |
450 | return -ENODEV; | |
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 | ||
479 | dev_put(dev); | |
480 | return ret; | |
481 | } | |
482 | ||
483 | static int ieee802154_scan_req(struct sk_buff *skb, struct genl_info *info) | |
484 | { | |
485 | struct net_device *dev; | |
486 | int ret; | |
487 | u8 type; | |
488 | u32 channels; | |
489 | u8 duration; | |
490 | u8 page; | |
491 | ||
492 | if (!info->attrs[IEEE802154_ATTR_SCAN_TYPE] || | |
493 | !info->attrs[IEEE802154_ATTR_CHANNELS] || | |
494 | !info->attrs[IEEE802154_ATTR_DURATION]) | |
495 | return -EINVAL; | |
496 | ||
497 | dev = ieee802154_nl_get_dev(info); | |
498 | if (!dev) | |
499 | return -ENODEV; | |
500 | ||
501 | type = nla_get_u8(info->attrs[IEEE802154_ATTR_SCAN_TYPE]); | |
502 | channels = nla_get_u32(info->attrs[IEEE802154_ATTR_CHANNELS]); | |
503 | duration = nla_get_u8(info->attrs[IEEE802154_ATTR_DURATION]); | |
504 | ||
505 | if (info->attrs[IEEE802154_ATTR_PAGE]) | |
506 | page = nla_get_u8(info->attrs[IEEE802154_ATTR_PAGE]); | |
507 | else | |
508 | page = 0; | |
509 | ||
510 | ||
511 | ret = ieee802154_mlme_ops(dev)->scan_req(dev, type, channels, page, | |
512 | duration); | |
513 | ||
514 | dev_put(dev); | |
515 | return ret; | |
516 | } | |
517 | ||
518 | static int ieee802154_list_iface(struct sk_buff *skb, | |
519 | struct genl_info *info) | |
520 | { | |
521 | /* Request for interface name, index, type, IEEE address, | |
522 | PAN Id, short address */ | |
523 | struct sk_buff *msg; | |
524 | struct net_device *dev = NULL; | |
525 | int rc = -ENOBUFS; | |
526 | ||
527 | pr_debug("%s\n", __func__); | |
528 | ||
529 | dev = ieee802154_nl_get_dev(info); | |
530 | if (!dev) | |
531 | return -ENODEV; | |
532 | ||
58050fce | 533 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
78fe738d DES |
534 | if (!msg) |
535 | goto out_dev; | |
536 | ||
15e47304 | 537 | rc = ieee802154_nl_fill_iface(msg, info->snd_portid, info->snd_seq, |
78fe738d DES |
538 | 0, dev); |
539 | if (rc < 0) | |
540 | goto out_free; | |
541 | ||
542 | dev_put(dev); | |
543 | ||
544 | return genlmsg_reply(msg, info); | |
545 | out_free: | |
546 | nlmsg_free(msg); | |
547 | out_dev: | |
548 | dev_put(dev); | |
549 | return rc; | |
550 | ||
551 | } | |
552 | ||
553 | static int ieee802154_dump_iface(struct sk_buff *skb, | |
554 | struct netlink_callback *cb) | |
555 | { | |
556 | struct net *net = sock_net(skb->sk); | |
557 | struct net_device *dev; | |
558 | int idx; | |
559 | int s_idx = cb->args[0]; | |
560 | ||
561 | pr_debug("%s\n", __func__); | |
562 | ||
563 | idx = 0; | |
564 | for_each_netdev(net, dev) { | |
565 | if (idx < s_idx || (dev->type != ARPHRD_IEEE802154)) | |
566 | goto cont; | |
567 | ||
15e47304 | 568 | if (ieee802154_nl_fill_iface(skb, NETLINK_CB(cb->skb).portid, |
78fe738d DES |
569 | cb->nlh->nlmsg_seq, NLM_F_MULTI, dev) < 0) |
570 | break; | |
571 | cont: | |
572 | idx++; | |
573 | } | |
574 | cb->args[0] = idx; | |
575 | ||
576 | return skb->len; | |
577 | } | |
578 | ||
579 | static struct genl_ops ieee802154_coordinator_ops[] = { | |
580 | IEEE802154_OP(IEEE802154_ASSOCIATE_REQ, ieee802154_associate_req), | |
581 | IEEE802154_OP(IEEE802154_ASSOCIATE_RESP, ieee802154_associate_resp), | |
582 | IEEE802154_OP(IEEE802154_DISASSOCIATE_REQ, ieee802154_disassociate_req), | |
583 | IEEE802154_OP(IEEE802154_SCAN_REQ, ieee802154_scan_req), | |
584 | IEEE802154_OP(IEEE802154_START_REQ, ieee802154_start_req), | |
585 | IEEE802154_DUMP(IEEE802154_LIST_IFACE, ieee802154_list_iface, | |
586 | ieee802154_dump_iface), | |
587 | }; | |
588 | ||
589 | /* | |
590 | * No need to unregister as family unregistration will do it. | |
591 | */ | |
592 | int nl802154_mac_register(void) | |
593 | { | |
594 | int i; | |
595 | int rc; | |
596 | ||
597 | rc = genl_register_mc_group(&nl802154_family, | |
598 | &ieee802154_coord_mcgrp); | |
599 | if (rc) | |
600 | return rc; | |
601 | ||
602 | rc = genl_register_mc_group(&nl802154_family, | |
603 | &ieee802154_beacon_mcgrp); | |
604 | if (rc) | |
605 | return rc; | |
606 | ||
607 | for (i = 0; i < ARRAY_SIZE(ieee802154_coordinator_ops); i++) { | |
608 | rc = genl_register_ops(&nl802154_family, | |
609 | &ieee802154_coordinator_ops[i]); | |
610 | if (rc) | |
611 | return rc; | |
612 | } | |
613 | ||
614 | return 0; | |
615 | } |