Commit | Line | Data |
---|---|---|
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 | ||
ae531b94 PB |
42 | static int nla_put_hwaddr(struct sk_buff *msg, int type, __le64 hwaddr) |
43 | { | |
44 | return nla_put_u64(msg, type, swab64((__force u64)hwaddr)); | |
45 | } | |
46 | ||
47 | static __le64 nla_get_hwaddr(const struct nlattr *nla) | |
48 | { | |
49 | return ieee802154_devaddr_from_raw(nla_data(nla)); | |
50 | } | |
51 | ||
52 | static int nla_put_shortaddr(struct sk_buff *msg, int type, __le16 addr) | |
53 | { | |
54 | return nla_put_u16(msg, type, le16_to_cpu(addr)); | |
55 | } | |
56 | ||
57 | static __le16 nla_get_shortaddr(const struct nlattr *nla) | |
58 | { | |
59 | return cpu_to_le16(nla_get_u16(nla)); | |
60 | } | |
61 | ||
78fe738d | 62 | int ieee802154_nl_assoc_indic(struct net_device *dev, |
ae531b94 | 63 | struct ieee802154_addr *addr, u8 cap) |
78fe738d DES |
64 | { |
65 | struct sk_buff *msg; | |
66 | ||
67 | pr_debug("%s\n", __func__); | |
68 | ||
ae531b94 | 69 | if (addr->mode != IEEE802154_ADDR_LONG) { |
78fe738d DES |
70 | pr_err("%s: received non-long source address!\n", __func__); |
71 | return -EINVAL; | |
72 | } | |
73 | ||
74 | msg = ieee802154_nl_create(0, IEEE802154_ASSOCIATE_INDIC); | |
75 | if (!msg) | |
76 | return -ENOBUFS; | |
77 | ||
be51da0f DM |
78 | if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) || |
79 | nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) || | |
80 | nla_put(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN, | |
81 | dev->dev_addr) || | |
ae531b94 PB |
82 | nla_put_hwaddr(msg, IEEE802154_ATTR_SRC_HW_ADDR, |
83 | addr->extended_addr) || | |
be51da0f DM |
84 | nla_put_u8(msg, IEEE802154_ATTR_CAPABILITY, cap)) |
85 | goto nla_put_failure; | |
78fe738d | 86 | |
2a94fe48 | 87 | return ieee802154_nl_mcast(msg, IEEE802154_COORD_MCGRP); |
78fe738d DES |
88 | |
89 | nla_put_failure: | |
90 | nlmsg_free(msg); | |
91 | return -ENOBUFS; | |
92 | } | |
93 | EXPORT_SYMBOL(ieee802154_nl_assoc_indic); | |
94 | ||
b70ab2e8 | 95 | int ieee802154_nl_assoc_confirm(struct net_device *dev, __le16 short_addr, |
78fe738d DES |
96 | u8 status) |
97 | { | |
98 | struct sk_buff *msg; | |
99 | ||
100 | pr_debug("%s\n", __func__); | |
101 | ||
102 | msg = ieee802154_nl_create(0, IEEE802154_ASSOCIATE_CONF); | |
103 | if (!msg) | |
104 | return -ENOBUFS; | |
105 | ||
be51da0f DM |
106 | if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) || |
107 | nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) || | |
108 | nla_put(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN, | |
109 | dev->dev_addr) || | |
ae531b94 | 110 | nla_put_shortaddr(msg, IEEE802154_ATTR_SHORT_ADDR, short_addr) || |
be51da0f DM |
111 | nla_put_u8(msg, IEEE802154_ATTR_STATUS, status)) |
112 | goto nla_put_failure; | |
2a94fe48 | 113 | return ieee802154_nl_mcast(msg, IEEE802154_COORD_MCGRP); |
78fe738d DES |
114 | |
115 | nla_put_failure: | |
116 | nlmsg_free(msg); | |
117 | return -ENOBUFS; | |
118 | } | |
119 | EXPORT_SYMBOL(ieee802154_nl_assoc_confirm); | |
120 | ||
121 | int ieee802154_nl_disassoc_indic(struct net_device *dev, | |
ae531b94 | 122 | struct ieee802154_addr *addr, u8 reason) |
78fe738d DES |
123 | { |
124 | struct sk_buff *msg; | |
125 | ||
126 | pr_debug("%s\n", __func__); | |
127 | ||
128 | msg = ieee802154_nl_create(0, IEEE802154_DISASSOCIATE_INDIC); | |
129 | if (!msg) | |
130 | return -ENOBUFS; | |
131 | ||
be51da0f DM |
132 | if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) || |
133 | nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) || | |
134 | nla_put(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN, | |
135 | dev->dev_addr)) | |
136 | goto nla_put_failure; | |
ae531b94 PB |
137 | if (addr->mode == IEEE802154_ADDR_LONG) { |
138 | if (nla_put_hwaddr(msg, IEEE802154_ATTR_SRC_HW_ADDR, | |
139 | addr->extended_addr)) | |
be51da0f DM |
140 | goto nla_put_failure; |
141 | } else { | |
ae531b94 PB |
142 | if (nla_put_shortaddr(msg, IEEE802154_ATTR_SRC_SHORT_ADDR, |
143 | addr->short_addr)) | |
be51da0f DM |
144 | goto nla_put_failure; |
145 | } | |
146 | if (nla_put_u8(msg, IEEE802154_ATTR_REASON, reason)) | |
147 | goto nla_put_failure; | |
2a94fe48 | 148 | return ieee802154_nl_mcast(msg, IEEE802154_COORD_MCGRP); |
78fe738d DES |
149 | |
150 | nla_put_failure: | |
151 | nlmsg_free(msg); | |
152 | return -ENOBUFS; | |
153 | } | |
154 | EXPORT_SYMBOL(ieee802154_nl_disassoc_indic); | |
155 | ||
156 | int ieee802154_nl_disassoc_confirm(struct net_device *dev, u8 status) | |
157 | { | |
158 | struct sk_buff *msg; | |
159 | ||
160 | pr_debug("%s\n", __func__); | |
161 | ||
162 | msg = ieee802154_nl_create(0, IEEE802154_DISASSOCIATE_CONF); | |
163 | if (!msg) | |
164 | return -ENOBUFS; | |
165 | ||
be51da0f DM |
166 | if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) || |
167 | nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) || | |
168 | nla_put(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN, | |
169 | dev->dev_addr) || | |
170 | nla_put_u8(msg, IEEE802154_ATTR_STATUS, status)) | |
171 | goto nla_put_failure; | |
2a94fe48 | 172 | return ieee802154_nl_mcast(msg, IEEE802154_COORD_MCGRP); |
78fe738d DES |
173 | |
174 | nla_put_failure: | |
175 | nlmsg_free(msg); | |
176 | return -ENOBUFS; | |
177 | } | |
178 | EXPORT_SYMBOL(ieee802154_nl_disassoc_confirm); | |
179 | ||
b70ab2e8 PB |
180 | int ieee802154_nl_beacon_indic(struct net_device *dev, __le16 panid, |
181 | __le16 coord_addr) | |
78fe738d DES |
182 | { |
183 | struct sk_buff *msg; | |
184 | ||
185 | pr_debug("%s\n", __func__); | |
186 | ||
187 | msg = ieee802154_nl_create(0, IEEE802154_BEACON_NOTIFY_INDIC); | |
188 | if (!msg) | |
189 | return -ENOBUFS; | |
190 | ||
be51da0f DM |
191 | if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) || |
192 | nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) || | |
193 | nla_put(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN, | |
194 | dev->dev_addr) || | |
ae531b94 PB |
195 | nla_put_shortaddr(msg, IEEE802154_ATTR_COORD_SHORT_ADDR, |
196 | coord_addr) || | |
197 | nla_put_shortaddr(msg, IEEE802154_ATTR_COORD_PAN_ID, panid)) | |
be51da0f | 198 | goto nla_put_failure; |
2a94fe48 | 199 | return ieee802154_nl_mcast(msg, IEEE802154_COORD_MCGRP); |
78fe738d DES |
200 | |
201 | nla_put_failure: | |
202 | nlmsg_free(msg); | |
203 | return -ENOBUFS; | |
204 | } | |
205 | EXPORT_SYMBOL(ieee802154_nl_beacon_indic); | |
206 | ||
207 | int ieee802154_nl_scan_confirm(struct net_device *dev, | |
208 | u8 status, u8 scan_type, u32 unscanned, u8 page, | |
209 | u8 *edl/* , struct list_head *pan_desc_list */) | |
210 | { | |
211 | struct sk_buff *msg; | |
212 | ||
213 | pr_debug("%s\n", __func__); | |
214 | ||
215 | msg = ieee802154_nl_create(0, IEEE802154_SCAN_CONF); | |
216 | if (!msg) | |
217 | return -ENOBUFS; | |
218 | ||
be51da0f DM |
219 | if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) || |
220 | nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) || | |
221 | nla_put(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN, | |
222 | dev->dev_addr) || | |
223 | nla_put_u8(msg, IEEE802154_ATTR_STATUS, status) || | |
224 | nla_put_u8(msg, IEEE802154_ATTR_SCAN_TYPE, scan_type) || | |
225 | nla_put_u32(msg, IEEE802154_ATTR_CHANNELS, unscanned) || | |
226 | nla_put_u8(msg, IEEE802154_ATTR_PAGE, page) || | |
227 | (edl && | |
228 | nla_put(msg, IEEE802154_ATTR_ED_LIST, 27, edl))) | |
229 | goto nla_put_failure; | |
2a94fe48 | 230 | return ieee802154_nl_mcast(msg, IEEE802154_COORD_MCGRP); |
78fe738d DES |
231 | |
232 | nla_put_failure: | |
233 | nlmsg_free(msg); | |
234 | return -ENOBUFS; | |
235 | } | |
236 | EXPORT_SYMBOL(ieee802154_nl_scan_confirm); | |
237 | ||
238 | int ieee802154_nl_start_confirm(struct net_device *dev, u8 status) | |
239 | { | |
240 | struct sk_buff *msg; | |
241 | ||
242 | pr_debug("%s\n", __func__); | |
243 | ||
244 | msg = ieee802154_nl_create(0, IEEE802154_START_CONF); | |
245 | if (!msg) | |
246 | return -ENOBUFS; | |
247 | ||
be51da0f DM |
248 | if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) || |
249 | nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) || | |
250 | nla_put(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN, | |
251 | dev->dev_addr) || | |
252 | nla_put_u8(msg, IEEE802154_ATTR_STATUS, status)) | |
253 | goto nla_put_failure; | |
2a94fe48 | 254 | return ieee802154_nl_mcast(msg, IEEE802154_COORD_MCGRP); |
78fe738d DES |
255 | |
256 | nla_put_failure: | |
257 | nlmsg_free(msg); | |
258 | return -ENOBUFS; | |
259 | } | |
260 | EXPORT_SYMBOL(ieee802154_nl_start_confirm); | |
261 | ||
15e47304 | 262 | static int ieee802154_nl_fill_iface(struct sk_buff *msg, u32 portid, |
78fe738d DES |
263 | u32 seq, int flags, struct net_device *dev) |
264 | { | |
265 | void *hdr; | |
0a868b26 | 266 | struct wpan_phy *phy; |
ae531b94 | 267 | __le16 short_addr, pan_id; |
78fe738d DES |
268 | |
269 | pr_debug("%s\n", __func__); | |
270 | ||
271 | hdr = genlmsg_put(msg, 0, seq, &nl802154_family, flags, | |
272 | IEEE802154_LIST_IFACE); | |
273 | if (!hdr) | |
274 | goto out; | |
275 | ||
0a868b26 DES |
276 | phy = ieee802154_mlme_ops(dev)->get_phy(dev); |
277 | BUG_ON(!phy); | |
278 | ||
ae531b94 PB |
279 | short_addr = ieee802154_mlme_ops(dev)->get_short_addr(dev); |
280 | pan_id = ieee802154_mlme_ops(dev)->get_pan_id(dev); | |
b70ab2e8 | 281 | |
be51da0f DM |
282 | if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) || |
283 | nla_put_string(msg, IEEE802154_ATTR_PHY_NAME, wpan_phy_name(phy)) || | |
284 | nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) || | |
285 | nla_put(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN, | |
286 | dev->dev_addr) || | |
ae531b94 PB |
287 | nla_put_shortaddr(msg, IEEE802154_ATTR_SHORT_ADDR, short_addr) || |
288 | nla_put_shortaddr(msg, IEEE802154_ATTR_PAN_ID, pan_id)) | |
be51da0f | 289 | goto nla_put_failure; |
0a868b26 | 290 | wpan_phy_put(phy); |
78fe738d DES |
291 | return genlmsg_end(msg, hdr); |
292 | ||
293 | nla_put_failure: | |
0a868b26 | 294 | wpan_phy_put(phy); |
78fe738d DES |
295 | genlmsg_cancel(msg, hdr); |
296 | out: | |
297 | return -EMSGSIZE; | |
298 | } | |
299 | ||
300 | /* Requests from userspace */ | |
301 | static struct net_device *ieee802154_nl_get_dev(struct genl_info *info) | |
302 | { | |
303 | struct net_device *dev; | |
304 | ||
305 | if (info->attrs[IEEE802154_ATTR_DEV_NAME]) { | |
306 | char name[IFNAMSIZ + 1]; | |
307 | nla_strlcpy(name, info->attrs[IEEE802154_ATTR_DEV_NAME], | |
308 | sizeof(name)); | |
309 | dev = dev_get_by_name(&init_net, name); | |
310 | } else if (info->attrs[IEEE802154_ATTR_DEV_INDEX]) | |
311 | dev = dev_get_by_index(&init_net, | |
312 | nla_get_u32(info->attrs[IEEE802154_ATTR_DEV_INDEX])); | |
313 | else | |
314 | return NULL; | |
315 | ||
316 | if (!dev) | |
317 | return NULL; | |
318 | ||
319 | if (dev->type != ARPHRD_IEEE802154) { | |
320 | dev_put(dev); | |
321 | return NULL; | |
322 | } | |
323 | ||
324 | return dev; | |
325 | } | |
326 | ||
1c582d91 | 327 | int ieee802154_associate_req(struct sk_buff *skb, struct genl_info *info) |
78fe738d DES |
328 | { |
329 | struct net_device *dev; | |
ae531b94 | 330 | struct ieee802154_addr addr; |
78fe738d | 331 | u8 page; |
56aa091d | 332 | int ret = -EOPNOTSUPP; |
78fe738d DES |
333 | |
334 | if (!info->attrs[IEEE802154_ATTR_CHANNEL] || | |
335 | !info->attrs[IEEE802154_ATTR_COORD_PAN_ID] || | |
336 | (!info->attrs[IEEE802154_ATTR_COORD_HW_ADDR] && | |
337 | !info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR]) || | |
338 | !info->attrs[IEEE802154_ATTR_CAPABILITY]) | |
339 | return -EINVAL; | |
340 | ||
341 | dev = ieee802154_nl_get_dev(info); | |
342 | if (!dev) | |
343 | return -ENODEV; | |
56aa091d WA |
344 | if (!ieee802154_mlme_ops(dev)->assoc_req) |
345 | goto out; | |
78fe738d DES |
346 | |
347 | if (info->attrs[IEEE802154_ATTR_COORD_HW_ADDR]) { | |
ae531b94 PB |
348 | addr.mode = IEEE802154_ADDR_LONG; |
349 | addr.extended_addr = nla_get_hwaddr( | |
350 | info->attrs[IEEE802154_ATTR_COORD_HW_ADDR]); | |
78fe738d | 351 | } else { |
ae531b94 PB |
352 | addr.mode = IEEE802154_ADDR_SHORT; |
353 | addr.short_addr = nla_get_shortaddr( | |
78fe738d DES |
354 | info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR]); |
355 | } | |
ae531b94 PB |
356 | addr.pan_id = nla_get_shortaddr( |
357 | info->attrs[IEEE802154_ATTR_COORD_PAN_ID]); | |
78fe738d DES |
358 | |
359 | if (info->attrs[IEEE802154_ATTR_PAGE]) | |
360 | page = nla_get_u8(info->attrs[IEEE802154_ATTR_PAGE]); | |
361 | else | |
362 | page = 0; | |
363 | ||
364 | ret = ieee802154_mlme_ops(dev)->assoc_req(dev, &addr, | |
365 | nla_get_u8(info->attrs[IEEE802154_ATTR_CHANNEL]), | |
366 | page, | |
367 | nla_get_u8(info->attrs[IEEE802154_ATTR_CAPABILITY])); | |
368 | ||
56aa091d | 369 | out: |
78fe738d DES |
370 | dev_put(dev); |
371 | return ret; | |
372 | } | |
373 | ||
1c582d91 | 374 | int ieee802154_associate_resp(struct sk_buff *skb, struct genl_info *info) |
78fe738d DES |
375 | { |
376 | struct net_device *dev; | |
ae531b94 | 377 | struct ieee802154_addr addr; |
56aa091d | 378 | int ret = -EOPNOTSUPP; |
78fe738d DES |
379 | |
380 | if (!info->attrs[IEEE802154_ATTR_STATUS] || | |
381 | !info->attrs[IEEE802154_ATTR_DEST_HW_ADDR] || | |
382 | !info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]) | |
383 | return -EINVAL; | |
384 | ||
385 | dev = ieee802154_nl_get_dev(info); | |
386 | if (!dev) | |
387 | return -ENODEV; | |
56aa091d WA |
388 | if (!ieee802154_mlme_ops(dev)->assoc_resp) |
389 | goto out; | |
78fe738d | 390 | |
ae531b94 PB |
391 | addr.mode = IEEE802154_ADDR_LONG; |
392 | addr.extended_addr = nla_get_hwaddr( | |
393 | info->attrs[IEEE802154_ATTR_DEST_HW_ADDR]); | |
394 | addr.pan_id = ieee802154_mlme_ops(dev)->get_pan_id(dev); | |
78fe738d DES |
395 | |
396 | ret = ieee802154_mlme_ops(dev)->assoc_resp(dev, &addr, | |
ae531b94 | 397 | nla_get_shortaddr(info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]), |
78fe738d DES |
398 | nla_get_u8(info->attrs[IEEE802154_ATTR_STATUS])); |
399 | ||
56aa091d | 400 | out: |
78fe738d DES |
401 | dev_put(dev); |
402 | return ret; | |
403 | } | |
404 | ||
1c582d91 | 405 | int ieee802154_disassociate_req(struct sk_buff *skb, struct genl_info *info) |
78fe738d DES |
406 | { |
407 | struct net_device *dev; | |
ae531b94 | 408 | struct ieee802154_addr addr; |
56aa091d | 409 | int ret = -EOPNOTSUPP; |
78fe738d DES |
410 | |
411 | if ((!info->attrs[IEEE802154_ATTR_DEST_HW_ADDR] && | |
412 | !info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]) || | |
413 | !info->attrs[IEEE802154_ATTR_REASON]) | |
414 | return -EINVAL; | |
415 | ||
416 | dev = ieee802154_nl_get_dev(info); | |
417 | if (!dev) | |
418 | return -ENODEV; | |
56aa091d WA |
419 | if (!ieee802154_mlme_ops(dev)->disassoc_req) |
420 | goto out; | |
78fe738d DES |
421 | |
422 | if (info->attrs[IEEE802154_ATTR_DEST_HW_ADDR]) { | |
ae531b94 PB |
423 | addr.mode = IEEE802154_ADDR_LONG; |
424 | addr.extended_addr = nla_get_hwaddr( | |
425 | info->attrs[IEEE802154_ATTR_DEST_HW_ADDR]); | |
78fe738d | 426 | } else { |
ae531b94 PB |
427 | addr.mode = IEEE802154_ADDR_SHORT; |
428 | addr.short_addr = nla_get_shortaddr( | |
78fe738d DES |
429 | info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]); |
430 | } | |
ae531b94 | 431 | addr.pan_id = ieee802154_mlme_ops(dev)->get_pan_id(dev); |
78fe738d DES |
432 | |
433 | ret = ieee802154_mlme_ops(dev)->disassoc_req(dev, &addr, | |
434 | nla_get_u8(info->attrs[IEEE802154_ATTR_REASON])); | |
435 | ||
56aa091d | 436 | out: |
78fe738d DES |
437 | dev_put(dev); |
438 | return ret; | |
439 | } | |
440 | ||
441 | /* | |
442 | * PANid, channel, beacon_order = 15, superframe_order = 15, | |
443 | * PAN_coordinator, battery_life_extension = 0, | |
444 | * coord_realignment = 0, security_enable = 0 | |
445 | */ | |
1c582d91 | 446 | int ieee802154_start_req(struct sk_buff *skb, struct genl_info *info) |
78fe738d DES |
447 | { |
448 | struct net_device *dev; | |
ae531b94 | 449 | struct ieee802154_addr addr; |
78fe738d DES |
450 | |
451 | u8 channel, bcn_ord, sf_ord; | |
452 | u8 page; | |
453 | int pan_coord, blx, coord_realign; | |
56aa091d | 454 | int ret = -EOPNOTSUPP; |
78fe738d DES |
455 | |
456 | if (!info->attrs[IEEE802154_ATTR_COORD_PAN_ID] || | |
457 | !info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR] || | |
458 | !info->attrs[IEEE802154_ATTR_CHANNEL] || | |
459 | !info->attrs[IEEE802154_ATTR_BCN_ORD] || | |
460 | !info->attrs[IEEE802154_ATTR_SF_ORD] || | |
461 | !info->attrs[IEEE802154_ATTR_PAN_COORD] || | |
462 | !info->attrs[IEEE802154_ATTR_BAT_EXT] || | |
463 | !info->attrs[IEEE802154_ATTR_COORD_REALIGN] | |
464 | ) | |
465 | return -EINVAL; | |
466 | ||
467 | dev = ieee802154_nl_get_dev(info); | |
468 | if (!dev) | |
469 | return -ENODEV; | |
56aa091d WA |
470 | if (!ieee802154_mlme_ops(dev)->start_req) |
471 | goto out; | |
78fe738d | 472 | |
ae531b94 PB |
473 | addr.mode = IEEE802154_ADDR_SHORT; |
474 | addr.short_addr = nla_get_shortaddr( | |
78fe738d | 475 | info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR]); |
ae531b94 PB |
476 | addr.pan_id = nla_get_shortaddr( |
477 | info->attrs[IEEE802154_ATTR_COORD_PAN_ID]); | |
78fe738d DES |
478 | |
479 | channel = nla_get_u8(info->attrs[IEEE802154_ATTR_CHANNEL]); | |
480 | bcn_ord = nla_get_u8(info->attrs[IEEE802154_ATTR_BCN_ORD]); | |
481 | sf_ord = nla_get_u8(info->attrs[IEEE802154_ATTR_SF_ORD]); | |
482 | pan_coord = nla_get_u8(info->attrs[IEEE802154_ATTR_PAN_COORD]); | |
483 | blx = nla_get_u8(info->attrs[IEEE802154_ATTR_BAT_EXT]); | |
484 | coord_realign = nla_get_u8(info->attrs[IEEE802154_ATTR_COORD_REALIGN]); | |
485 | ||
486 | if (info->attrs[IEEE802154_ATTR_PAGE]) | |
487 | page = nla_get_u8(info->attrs[IEEE802154_ATTR_PAGE]); | |
488 | else | |
489 | page = 0; | |
490 | ||
491 | ||
ae531b94 | 492 | if (addr.short_addr == cpu_to_le16(IEEE802154_ADDR_BROADCAST)) { |
78fe738d DES |
493 | ieee802154_nl_start_confirm(dev, IEEE802154_NO_SHORT_ADDRESS); |
494 | dev_put(dev); | |
495 | return -EINVAL; | |
496 | } | |
497 | ||
498 | ret = ieee802154_mlme_ops(dev)->start_req(dev, &addr, channel, page, | |
499 | bcn_ord, sf_ord, pan_coord, blx, coord_realign); | |
500 | ||
56aa091d | 501 | out: |
78fe738d DES |
502 | dev_put(dev); |
503 | return ret; | |
504 | } | |
505 | ||
1c582d91 | 506 | int ieee802154_scan_req(struct sk_buff *skb, struct genl_info *info) |
78fe738d DES |
507 | { |
508 | struct net_device *dev; | |
56aa091d | 509 | int ret = -EOPNOTSUPP; |
78fe738d DES |
510 | u8 type; |
511 | u32 channels; | |
512 | u8 duration; | |
513 | u8 page; | |
514 | ||
515 | if (!info->attrs[IEEE802154_ATTR_SCAN_TYPE] || | |
516 | !info->attrs[IEEE802154_ATTR_CHANNELS] || | |
517 | !info->attrs[IEEE802154_ATTR_DURATION]) | |
518 | return -EINVAL; | |
519 | ||
520 | dev = ieee802154_nl_get_dev(info); | |
521 | if (!dev) | |
522 | return -ENODEV; | |
56aa091d WA |
523 | if (!ieee802154_mlme_ops(dev)->scan_req) |
524 | goto out; | |
78fe738d DES |
525 | |
526 | type = nla_get_u8(info->attrs[IEEE802154_ATTR_SCAN_TYPE]); | |
527 | channels = nla_get_u32(info->attrs[IEEE802154_ATTR_CHANNELS]); | |
528 | duration = nla_get_u8(info->attrs[IEEE802154_ATTR_DURATION]); | |
529 | ||
530 | if (info->attrs[IEEE802154_ATTR_PAGE]) | |
531 | page = nla_get_u8(info->attrs[IEEE802154_ATTR_PAGE]); | |
532 | else | |
533 | page = 0; | |
534 | ||
535 | ||
536 | ret = ieee802154_mlme_ops(dev)->scan_req(dev, type, channels, page, | |
537 | duration); | |
538 | ||
56aa091d | 539 | out: |
78fe738d DES |
540 | dev_put(dev); |
541 | return ret; | |
542 | } | |
543 | ||
1c582d91 | 544 | int ieee802154_list_iface(struct sk_buff *skb, struct genl_info *info) |
78fe738d DES |
545 | { |
546 | /* Request for interface name, index, type, IEEE address, | |
547 | PAN Id, short address */ | |
548 | struct sk_buff *msg; | |
549 | struct net_device *dev = NULL; | |
550 | int rc = -ENOBUFS; | |
551 | ||
552 | pr_debug("%s\n", __func__); | |
553 | ||
554 | dev = ieee802154_nl_get_dev(info); | |
555 | if (!dev) | |
556 | return -ENODEV; | |
557 | ||
58050fce | 558 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
78fe738d DES |
559 | if (!msg) |
560 | goto out_dev; | |
561 | ||
15e47304 | 562 | rc = ieee802154_nl_fill_iface(msg, info->snd_portid, info->snd_seq, |
78fe738d DES |
563 | 0, dev); |
564 | if (rc < 0) | |
565 | goto out_free; | |
566 | ||
567 | dev_put(dev); | |
568 | ||
569 | return genlmsg_reply(msg, info); | |
570 | out_free: | |
571 | nlmsg_free(msg); | |
572 | out_dev: | |
573 | dev_put(dev); | |
574 | return rc; | |
575 | ||
576 | } | |
577 | ||
1c582d91 | 578 | int ieee802154_dump_iface(struct sk_buff *skb, struct netlink_callback *cb) |
78fe738d DES |
579 | { |
580 | struct net *net = sock_net(skb->sk); | |
581 | struct net_device *dev; | |
582 | int idx; | |
583 | int s_idx = cb->args[0]; | |
584 | ||
585 | pr_debug("%s\n", __func__); | |
586 | ||
587 | idx = 0; | |
588 | for_each_netdev(net, dev) { | |
589 | if (idx < s_idx || (dev->type != ARPHRD_IEEE802154)) | |
590 | goto cont; | |
591 | ||
15e47304 | 592 | if (ieee802154_nl_fill_iface(skb, NETLINK_CB(cb->skb).portid, |
78fe738d DES |
593 | cb->nlh->nlmsg_seq, NLM_F_MULTI, dev) < 0) |
594 | break; | |
595 | cont: | |
596 | idx++; | |
597 | } | |
598 | cb->args[0] = idx; | |
599 | ||
600 | return skb->len; | |
601 | } |