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; |
e462ded6 | 267 | struct ieee802154_mlme_ops *ops; |
ae531b94 | 268 | __le16 short_addr, pan_id; |
78fe738d DES |
269 | |
270 | pr_debug("%s\n", __func__); | |
271 | ||
272 | hdr = genlmsg_put(msg, 0, seq, &nl802154_family, flags, | |
273 | IEEE802154_LIST_IFACE); | |
274 | if (!hdr) | |
275 | goto out; | |
276 | ||
e462ded6 PB |
277 | ops = ieee802154_mlme_ops(dev); |
278 | phy = ops->get_phy(dev); | |
0a868b26 DES |
279 | BUG_ON(!phy); |
280 | ||
e462ded6 PB |
281 | short_addr = ops->get_short_addr(dev); |
282 | pan_id = ops->get_pan_id(dev); | |
b70ab2e8 | 283 | |
be51da0f DM |
284 | if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) || |
285 | nla_put_string(msg, IEEE802154_ATTR_PHY_NAME, wpan_phy_name(phy)) || | |
286 | nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) || | |
287 | nla_put(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN, | |
288 | dev->dev_addr) || | |
ae531b94 PB |
289 | nla_put_shortaddr(msg, IEEE802154_ATTR_SHORT_ADDR, short_addr) || |
290 | nla_put_shortaddr(msg, IEEE802154_ATTR_PAN_ID, pan_id)) | |
be51da0f | 291 | goto nla_put_failure; |
e462ded6 PB |
292 | |
293 | if (ops->get_mac_params) { | |
294 | struct ieee802154_mac_params params; | |
295 | ||
296 | ops->get_mac_params(dev, ¶ms); | |
297 | ||
298 | if (nla_put_s8(msg, IEEE802154_ATTR_TXPOWER, | |
299 | params.transmit_power) || | |
300 | nla_put_u8(msg, IEEE802154_ATTR_LBT_ENABLED, params.lbt) || | |
301 | nla_put_u8(msg, IEEE802154_ATTR_CCA_MODE, | |
302 | params.cca_mode) || | |
303 | nla_put_s32(msg, IEEE802154_ATTR_CCA_ED_LEVEL, | |
304 | params.cca_ed_level) || | |
305 | nla_put_u8(msg, IEEE802154_ATTR_CSMA_RETRIES, | |
306 | params.csma_retries) || | |
307 | nla_put_u8(msg, IEEE802154_ATTR_CSMA_MIN_BE, | |
308 | params.min_be) || | |
309 | nla_put_u8(msg, IEEE802154_ATTR_CSMA_MAX_BE, | |
310 | params.max_be) || | |
311 | nla_put_s8(msg, IEEE802154_ATTR_FRAME_RETRIES, | |
312 | params.frame_retries)) | |
313 | goto nla_put_failure; | |
314 | } | |
315 | ||
0a868b26 | 316 | wpan_phy_put(phy); |
78fe738d DES |
317 | return genlmsg_end(msg, hdr); |
318 | ||
319 | nla_put_failure: | |
0a868b26 | 320 | wpan_phy_put(phy); |
78fe738d DES |
321 | genlmsg_cancel(msg, hdr); |
322 | out: | |
323 | return -EMSGSIZE; | |
324 | } | |
325 | ||
326 | /* Requests from userspace */ | |
327 | static struct net_device *ieee802154_nl_get_dev(struct genl_info *info) | |
328 | { | |
329 | struct net_device *dev; | |
330 | ||
331 | if (info->attrs[IEEE802154_ATTR_DEV_NAME]) { | |
332 | char name[IFNAMSIZ + 1]; | |
333 | nla_strlcpy(name, info->attrs[IEEE802154_ATTR_DEV_NAME], | |
334 | sizeof(name)); | |
335 | dev = dev_get_by_name(&init_net, name); | |
336 | } else if (info->attrs[IEEE802154_ATTR_DEV_INDEX]) | |
337 | dev = dev_get_by_index(&init_net, | |
338 | nla_get_u32(info->attrs[IEEE802154_ATTR_DEV_INDEX])); | |
339 | else | |
340 | return NULL; | |
341 | ||
342 | if (!dev) | |
343 | return NULL; | |
344 | ||
345 | if (dev->type != ARPHRD_IEEE802154) { | |
346 | dev_put(dev); | |
347 | return NULL; | |
348 | } | |
349 | ||
350 | return dev; | |
351 | } | |
352 | ||
1c582d91 | 353 | int ieee802154_associate_req(struct sk_buff *skb, struct genl_info *info) |
78fe738d DES |
354 | { |
355 | struct net_device *dev; | |
ae531b94 | 356 | struct ieee802154_addr addr; |
78fe738d | 357 | u8 page; |
56aa091d | 358 | int ret = -EOPNOTSUPP; |
78fe738d DES |
359 | |
360 | if (!info->attrs[IEEE802154_ATTR_CHANNEL] || | |
361 | !info->attrs[IEEE802154_ATTR_COORD_PAN_ID] || | |
362 | (!info->attrs[IEEE802154_ATTR_COORD_HW_ADDR] && | |
363 | !info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR]) || | |
364 | !info->attrs[IEEE802154_ATTR_CAPABILITY]) | |
365 | return -EINVAL; | |
366 | ||
367 | dev = ieee802154_nl_get_dev(info); | |
368 | if (!dev) | |
369 | return -ENODEV; | |
56aa091d WA |
370 | if (!ieee802154_mlme_ops(dev)->assoc_req) |
371 | goto out; | |
78fe738d DES |
372 | |
373 | if (info->attrs[IEEE802154_ATTR_COORD_HW_ADDR]) { | |
ae531b94 PB |
374 | addr.mode = IEEE802154_ADDR_LONG; |
375 | addr.extended_addr = nla_get_hwaddr( | |
376 | info->attrs[IEEE802154_ATTR_COORD_HW_ADDR]); | |
78fe738d | 377 | } else { |
ae531b94 PB |
378 | addr.mode = IEEE802154_ADDR_SHORT; |
379 | addr.short_addr = nla_get_shortaddr( | |
78fe738d DES |
380 | info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR]); |
381 | } | |
ae531b94 PB |
382 | addr.pan_id = nla_get_shortaddr( |
383 | info->attrs[IEEE802154_ATTR_COORD_PAN_ID]); | |
78fe738d DES |
384 | |
385 | if (info->attrs[IEEE802154_ATTR_PAGE]) | |
386 | page = nla_get_u8(info->attrs[IEEE802154_ATTR_PAGE]); | |
387 | else | |
388 | page = 0; | |
389 | ||
390 | ret = ieee802154_mlme_ops(dev)->assoc_req(dev, &addr, | |
391 | nla_get_u8(info->attrs[IEEE802154_ATTR_CHANNEL]), | |
392 | page, | |
393 | nla_get_u8(info->attrs[IEEE802154_ATTR_CAPABILITY])); | |
394 | ||
56aa091d | 395 | out: |
78fe738d DES |
396 | dev_put(dev); |
397 | return ret; | |
398 | } | |
399 | ||
1c582d91 | 400 | int ieee802154_associate_resp(struct sk_buff *skb, struct genl_info *info) |
78fe738d DES |
401 | { |
402 | struct net_device *dev; | |
ae531b94 | 403 | struct ieee802154_addr addr; |
56aa091d | 404 | int ret = -EOPNOTSUPP; |
78fe738d DES |
405 | |
406 | if (!info->attrs[IEEE802154_ATTR_STATUS] || | |
407 | !info->attrs[IEEE802154_ATTR_DEST_HW_ADDR] || | |
408 | !info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]) | |
409 | return -EINVAL; | |
410 | ||
411 | dev = ieee802154_nl_get_dev(info); | |
412 | if (!dev) | |
413 | return -ENODEV; | |
56aa091d WA |
414 | if (!ieee802154_mlme_ops(dev)->assoc_resp) |
415 | goto out; | |
78fe738d | 416 | |
ae531b94 PB |
417 | addr.mode = IEEE802154_ADDR_LONG; |
418 | addr.extended_addr = nla_get_hwaddr( | |
419 | info->attrs[IEEE802154_ATTR_DEST_HW_ADDR]); | |
420 | addr.pan_id = ieee802154_mlme_ops(dev)->get_pan_id(dev); | |
78fe738d DES |
421 | |
422 | ret = ieee802154_mlme_ops(dev)->assoc_resp(dev, &addr, | |
ae531b94 | 423 | nla_get_shortaddr(info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]), |
78fe738d DES |
424 | nla_get_u8(info->attrs[IEEE802154_ATTR_STATUS])); |
425 | ||
56aa091d | 426 | out: |
78fe738d DES |
427 | dev_put(dev); |
428 | return ret; | |
429 | } | |
430 | ||
1c582d91 | 431 | int ieee802154_disassociate_req(struct sk_buff *skb, struct genl_info *info) |
78fe738d DES |
432 | { |
433 | struct net_device *dev; | |
ae531b94 | 434 | struct ieee802154_addr addr; |
56aa091d | 435 | int ret = -EOPNOTSUPP; |
78fe738d DES |
436 | |
437 | if ((!info->attrs[IEEE802154_ATTR_DEST_HW_ADDR] && | |
438 | !info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]) || | |
439 | !info->attrs[IEEE802154_ATTR_REASON]) | |
440 | return -EINVAL; | |
441 | ||
442 | dev = ieee802154_nl_get_dev(info); | |
443 | if (!dev) | |
444 | return -ENODEV; | |
56aa091d WA |
445 | if (!ieee802154_mlme_ops(dev)->disassoc_req) |
446 | goto out; | |
78fe738d DES |
447 | |
448 | if (info->attrs[IEEE802154_ATTR_DEST_HW_ADDR]) { | |
ae531b94 PB |
449 | addr.mode = IEEE802154_ADDR_LONG; |
450 | addr.extended_addr = nla_get_hwaddr( | |
451 | info->attrs[IEEE802154_ATTR_DEST_HW_ADDR]); | |
78fe738d | 452 | } else { |
ae531b94 PB |
453 | addr.mode = IEEE802154_ADDR_SHORT; |
454 | addr.short_addr = nla_get_shortaddr( | |
78fe738d DES |
455 | info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]); |
456 | } | |
ae531b94 | 457 | addr.pan_id = ieee802154_mlme_ops(dev)->get_pan_id(dev); |
78fe738d DES |
458 | |
459 | ret = ieee802154_mlme_ops(dev)->disassoc_req(dev, &addr, | |
460 | nla_get_u8(info->attrs[IEEE802154_ATTR_REASON])); | |
461 | ||
56aa091d | 462 | out: |
78fe738d DES |
463 | dev_put(dev); |
464 | return ret; | |
465 | } | |
466 | ||
467 | /* | |
468 | * PANid, channel, beacon_order = 15, superframe_order = 15, | |
469 | * PAN_coordinator, battery_life_extension = 0, | |
470 | * coord_realignment = 0, security_enable = 0 | |
471 | */ | |
1c582d91 | 472 | int ieee802154_start_req(struct sk_buff *skb, struct genl_info *info) |
78fe738d DES |
473 | { |
474 | struct net_device *dev; | |
ae531b94 | 475 | struct ieee802154_addr addr; |
78fe738d DES |
476 | |
477 | u8 channel, bcn_ord, sf_ord; | |
478 | u8 page; | |
479 | int pan_coord, blx, coord_realign; | |
56aa091d | 480 | int ret = -EOPNOTSUPP; |
78fe738d DES |
481 | |
482 | if (!info->attrs[IEEE802154_ATTR_COORD_PAN_ID] || | |
483 | !info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR] || | |
484 | !info->attrs[IEEE802154_ATTR_CHANNEL] || | |
485 | !info->attrs[IEEE802154_ATTR_BCN_ORD] || | |
486 | !info->attrs[IEEE802154_ATTR_SF_ORD] || | |
487 | !info->attrs[IEEE802154_ATTR_PAN_COORD] || | |
488 | !info->attrs[IEEE802154_ATTR_BAT_EXT] || | |
489 | !info->attrs[IEEE802154_ATTR_COORD_REALIGN] | |
490 | ) | |
491 | return -EINVAL; | |
492 | ||
493 | dev = ieee802154_nl_get_dev(info); | |
494 | if (!dev) | |
495 | return -ENODEV; | |
56aa091d WA |
496 | if (!ieee802154_mlme_ops(dev)->start_req) |
497 | goto out; | |
78fe738d | 498 | |
ae531b94 PB |
499 | addr.mode = IEEE802154_ADDR_SHORT; |
500 | addr.short_addr = nla_get_shortaddr( | |
78fe738d | 501 | info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR]); |
ae531b94 PB |
502 | addr.pan_id = nla_get_shortaddr( |
503 | info->attrs[IEEE802154_ATTR_COORD_PAN_ID]); | |
78fe738d DES |
504 | |
505 | channel = nla_get_u8(info->attrs[IEEE802154_ATTR_CHANNEL]); | |
506 | bcn_ord = nla_get_u8(info->attrs[IEEE802154_ATTR_BCN_ORD]); | |
507 | sf_ord = nla_get_u8(info->attrs[IEEE802154_ATTR_SF_ORD]); | |
508 | pan_coord = nla_get_u8(info->attrs[IEEE802154_ATTR_PAN_COORD]); | |
509 | blx = nla_get_u8(info->attrs[IEEE802154_ATTR_BAT_EXT]); | |
510 | coord_realign = nla_get_u8(info->attrs[IEEE802154_ATTR_COORD_REALIGN]); | |
511 | ||
512 | if (info->attrs[IEEE802154_ATTR_PAGE]) | |
513 | page = nla_get_u8(info->attrs[IEEE802154_ATTR_PAGE]); | |
514 | else | |
515 | page = 0; | |
516 | ||
517 | ||
ae531b94 | 518 | if (addr.short_addr == cpu_to_le16(IEEE802154_ADDR_BROADCAST)) { |
78fe738d DES |
519 | ieee802154_nl_start_confirm(dev, IEEE802154_NO_SHORT_ADDRESS); |
520 | dev_put(dev); | |
521 | return -EINVAL; | |
522 | } | |
523 | ||
524 | ret = ieee802154_mlme_ops(dev)->start_req(dev, &addr, channel, page, | |
525 | bcn_ord, sf_ord, pan_coord, blx, coord_realign); | |
526 | ||
56aa091d | 527 | out: |
78fe738d DES |
528 | dev_put(dev); |
529 | return ret; | |
530 | } | |
531 | ||
1c582d91 | 532 | int ieee802154_scan_req(struct sk_buff *skb, struct genl_info *info) |
78fe738d DES |
533 | { |
534 | struct net_device *dev; | |
56aa091d | 535 | int ret = -EOPNOTSUPP; |
78fe738d DES |
536 | u8 type; |
537 | u32 channels; | |
538 | u8 duration; | |
539 | u8 page; | |
540 | ||
541 | if (!info->attrs[IEEE802154_ATTR_SCAN_TYPE] || | |
542 | !info->attrs[IEEE802154_ATTR_CHANNELS] || | |
543 | !info->attrs[IEEE802154_ATTR_DURATION]) | |
544 | return -EINVAL; | |
545 | ||
546 | dev = ieee802154_nl_get_dev(info); | |
547 | if (!dev) | |
548 | return -ENODEV; | |
56aa091d WA |
549 | if (!ieee802154_mlme_ops(dev)->scan_req) |
550 | goto out; | |
78fe738d DES |
551 | |
552 | type = nla_get_u8(info->attrs[IEEE802154_ATTR_SCAN_TYPE]); | |
553 | channels = nla_get_u32(info->attrs[IEEE802154_ATTR_CHANNELS]); | |
554 | duration = nla_get_u8(info->attrs[IEEE802154_ATTR_DURATION]); | |
555 | ||
556 | if (info->attrs[IEEE802154_ATTR_PAGE]) | |
557 | page = nla_get_u8(info->attrs[IEEE802154_ATTR_PAGE]); | |
558 | else | |
559 | page = 0; | |
560 | ||
561 | ||
562 | ret = ieee802154_mlme_ops(dev)->scan_req(dev, type, channels, page, | |
563 | duration); | |
564 | ||
56aa091d | 565 | out: |
78fe738d DES |
566 | dev_put(dev); |
567 | return ret; | |
568 | } | |
569 | ||
1c582d91 | 570 | int ieee802154_list_iface(struct sk_buff *skb, struct genl_info *info) |
78fe738d DES |
571 | { |
572 | /* Request for interface name, index, type, IEEE address, | |
573 | PAN Id, short address */ | |
574 | struct sk_buff *msg; | |
575 | struct net_device *dev = NULL; | |
576 | int rc = -ENOBUFS; | |
577 | ||
578 | pr_debug("%s\n", __func__); | |
579 | ||
580 | dev = ieee802154_nl_get_dev(info); | |
581 | if (!dev) | |
582 | return -ENODEV; | |
583 | ||
58050fce | 584 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
78fe738d DES |
585 | if (!msg) |
586 | goto out_dev; | |
587 | ||
15e47304 | 588 | rc = ieee802154_nl_fill_iface(msg, info->snd_portid, info->snd_seq, |
78fe738d DES |
589 | 0, dev); |
590 | if (rc < 0) | |
591 | goto out_free; | |
592 | ||
593 | dev_put(dev); | |
594 | ||
595 | return genlmsg_reply(msg, info); | |
596 | out_free: | |
597 | nlmsg_free(msg); | |
598 | out_dev: | |
599 | dev_put(dev); | |
600 | return rc; | |
601 | ||
602 | } | |
603 | ||
1c582d91 | 604 | int ieee802154_dump_iface(struct sk_buff *skb, struct netlink_callback *cb) |
78fe738d DES |
605 | { |
606 | struct net *net = sock_net(skb->sk); | |
607 | struct net_device *dev; | |
608 | int idx; | |
609 | int s_idx = cb->args[0]; | |
610 | ||
611 | pr_debug("%s\n", __func__); | |
612 | ||
613 | idx = 0; | |
614 | for_each_netdev(net, dev) { | |
615 | if (idx < s_idx || (dev->type != ARPHRD_IEEE802154)) | |
616 | goto cont; | |
617 | ||
15e47304 | 618 | if (ieee802154_nl_fill_iface(skb, NETLINK_CB(cb->skb).portid, |
78fe738d DES |
619 | cb->nlh->nlmsg_seq, NLM_F_MULTI, dev) < 0) |
620 | break; | |
621 | cont: | |
622 | idx++; | |
623 | } | |
624 | cb->args[0] = idx; | |
625 | ||
626 | return skb->len; | |
627 | } | |
e462ded6 PB |
628 | |
629 | int ieee802154_set_macparams(struct sk_buff *skb, struct genl_info *info) | |
630 | { | |
631 | struct net_device *dev = NULL; | |
632 | struct ieee802154_mlme_ops *ops; | |
633 | struct ieee802154_mac_params params; | |
634 | struct wpan_phy *phy; | |
635 | int rc = -EINVAL; | |
636 | ||
637 | pr_debug("%s\n", __func__); | |
638 | ||
639 | dev = ieee802154_nl_get_dev(info); | |
640 | if (!dev) | |
641 | return -ENODEV; | |
642 | ||
643 | ops = ieee802154_mlme_ops(dev); | |
644 | ||
645 | if (!ops->get_mac_params || !ops->set_mac_params) { | |
646 | rc = -EOPNOTSUPP; | |
647 | goto out; | |
648 | } | |
649 | ||
650 | if (netif_running(dev)) { | |
651 | rc = -EBUSY; | |
652 | goto out; | |
653 | } | |
654 | ||
655 | if (!info->attrs[IEEE802154_ATTR_LBT_ENABLED] && | |
656 | !info->attrs[IEEE802154_ATTR_CCA_MODE] && | |
657 | !info->attrs[IEEE802154_ATTR_CCA_ED_LEVEL] && | |
658 | !info->attrs[IEEE802154_ATTR_CSMA_RETRIES] && | |
659 | !info->attrs[IEEE802154_ATTR_CSMA_MIN_BE] && | |
660 | !info->attrs[IEEE802154_ATTR_CSMA_MAX_BE] && | |
661 | !info->attrs[IEEE802154_ATTR_FRAME_RETRIES]) | |
662 | goto out; | |
663 | ||
664 | phy = ops->get_phy(dev); | |
665 | ||
666 | if ((!phy->set_lbt && info->attrs[IEEE802154_ATTR_LBT_ENABLED]) || | |
667 | (!phy->set_cca_mode && info->attrs[IEEE802154_ATTR_CCA_MODE]) || | |
668 | (!phy->set_cca_ed_level && | |
669 | info->attrs[IEEE802154_ATTR_CCA_ED_LEVEL]) || | |
670 | (!phy->set_csma_params && | |
671 | (info->attrs[IEEE802154_ATTR_CSMA_RETRIES] || | |
672 | info->attrs[IEEE802154_ATTR_CSMA_MIN_BE] || | |
673 | info->attrs[IEEE802154_ATTR_CSMA_MAX_BE])) || | |
674 | (!phy->set_frame_retries && | |
675 | info->attrs[IEEE802154_ATTR_FRAME_RETRIES])) { | |
676 | rc = -EOPNOTSUPP; | |
677 | goto out_phy; | |
678 | } | |
679 | ||
680 | ops->get_mac_params(dev, ¶ms); | |
681 | ||
682 | if (info->attrs[IEEE802154_ATTR_TXPOWER]) | |
683 | params.transmit_power = nla_get_s8(info->attrs[IEEE802154_ATTR_TXPOWER]); | |
684 | ||
685 | if (info->attrs[IEEE802154_ATTR_LBT_ENABLED]) | |
686 | params.lbt = nla_get_u8(info->attrs[IEEE802154_ATTR_LBT_ENABLED]); | |
687 | ||
688 | if (info->attrs[IEEE802154_ATTR_CCA_MODE]) | |
689 | params.cca_mode = nla_get_u8(info->attrs[IEEE802154_ATTR_CCA_MODE]); | |
690 | ||
691 | if (info->attrs[IEEE802154_ATTR_CCA_ED_LEVEL]) | |
692 | params.cca_ed_level = nla_get_s32(info->attrs[IEEE802154_ATTR_CCA_ED_LEVEL]); | |
693 | ||
694 | if (info->attrs[IEEE802154_ATTR_CSMA_RETRIES]) | |
695 | params.csma_retries = nla_get_u8(info->attrs[IEEE802154_ATTR_CSMA_RETRIES]); | |
696 | ||
697 | if (info->attrs[IEEE802154_ATTR_CSMA_MIN_BE]) | |
698 | params.min_be = nla_get_u8(info->attrs[IEEE802154_ATTR_CSMA_MIN_BE]); | |
699 | ||
700 | if (info->attrs[IEEE802154_ATTR_CSMA_MAX_BE]) | |
701 | params.max_be = nla_get_u8(info->attrs[IEEE802154_ATTR_CSMA_MAX_BE]); | |
702 | ||
703 | if (info->attrs[IEEE802154_ATTR_FRAME_RETRIES]) | |
704 | params.frame_retries = nla_get_s8(info->attrs[IEEE802154_ATTR_FRAME_RETRIES]); | |
705 | ||
706 | rc = ops->set_mac_params(dev, ¶ms); | |
707 | ||
708 | wpan_phy_put(phy); | |
709 | dev_put(dev); | |
710 | return rc; | |
711 | ||
712 | out_phy: | |
713 | wpan_phy_put(phy); | |
714 | out: | |
715 | dev_put(dev); | |
716 | return rc; | |
717 | } |