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 | } | |
3e9c156e PB |
718 | |
719 | ||
720 | ||
721 | static int | |
722 | ieee802154_llsec_parse_key_id(struct genl_info *info, | |
723 | struct ieee802154_llsec_key_id *desc) | |
724 | { | |
725 | memset(desc, 0, sizeof(*desc)); | |
726 | ||
727 | if (!info->attrs[IEEE802154_ATTR_LLSEC_KEY_MODE]) | |
728 | return -EINVAL; | |
729 | ||
730 | desc->mode = nla_get_u8(info->attrs[IEEE802154_ATTR_LLSEC_KEY_MODE]); | |
731 | ||
732 | if (desc->mode == IEEE802154_SCF_KEY_IMPLICIT) { | |
733 | if (!info->attrs[IEEE802154_ATTR_PAN_ID] && | |
734 | !(info->attrs[IEEE802154_ATTR_SHORT_ADDR] || | |
735 | info->attrs[IEEE802154_ATTR_HW_ADDR])) | |
736 | return -EINVAL; | |
737 | ||
738 | desc->device_addr.pan_id = nla_get_shortaddr(info->attrs[IEEE802154_ATTR_PAN_ID]); | |
739 | ||
740 | if (info->attrs[IEEE802154_ATTR_SHORT_ADDR]) { | |
741 | desc->device_addr.mode = IEEE802154_ADDR_SHORT; | |
742 | desc->device_addr.short_addr = nla_get_shortaddr(info->attrs[IEEE802154_ATTR_SHORT_ADDR]); | |
743 | } else { | |
744 | desc->device_addr.mode = IEEE802154_ADDR_LONG; | |
745 | desc->device_addr.extended_addr = nla_get_hwaddr(info->attrs[IEEE802154_ATTR_HW_ADDR]); | |
746 | } | |
747 | } | |
748 | ||
749 | if (desc->mode != IEEE802154_SCF_KEY_IMPLICIT && | |
750 | !info->attrs[IEEE802154_ATTR_LLSEC_KEY_ID]) | |
751 | return -EINVAL; | |
752 | ||
753 | if (desc->mode == IEEE802154_SCF_KEY_SHORT_INDEX && | |
754 | !info->attrs[IEEE802154_ATTR_LLSEC_KEY_SOURCE_SHORT]) | |
755 | return -EINVAL; | |
756 | ||
757 | if (desc->mode == IEEE802154_SCF_KEY_HW_INDEX && | |
758 | !info->attrs[IEEE802154_ATTR_LLSEC_KEY_SOURCE_EXTENDED]) | |
759 | return -EINVAL; | |
760 | ||
761 | if (desc->mode != IEEE802154_SCF_KEY_IMPLICIT) | |
762 | desc->id = nla_get_u8(info->attrs[IEEE802154_ATTR_LLSEC_KEY_ID]); | |
763 | ||
764 | switch (desc->mode) { | |
765 | case IEEE802154_SCF_KEY_SHORT_INDEX: | |
766 | { | |
767 | u32 source = nla_get_u32(info->attrs[IEEE802154_ATTR_LLSEC_KEY_SOURCE_SHORT]); | |
768 | desc->short_source = cpu_to_le32(source); | |
769 | break; | |
770 | } | |
771 | case IEEE802154_SCF_KEY_HW_INDEX: | |
772 | desc->extended_source = nla_get_hwaddr(info->attrs[IEEE802154_ATTR_LLSEC_KEY_SOURCE_EXTENDED]); | |
773 | break; | |
774 | } | |
775 | ||
776 | return 0; | |
777 | } | |
778 | ||
779 | static int | |
780 | ieee802154_llsec_fill_key_id(struct sk_buff *msg, | |
781 | const struct ieee802154_llsec_key_id *desc) | |
782 | { | |
783 | if (nla_put_u8(msg, IEEE802154_ATTR_LLSEC_KEY_MODE, desc->mode)) | |
784 | return -EMSGSIZE; | |
785 | ||
786 | if (desc->mode == IEEE802154_SCF_KEY_IMPLICIT) { | |
787 | if (nla_put_shortaddr(msg, IEEE802154_ATTR_PAN_ID, | |
788 | desc->device_addr.pan_id)) | |
789 | return -EMSGSIZE; | |
790 | ||
791 | if (desc->device_addr.mode == IEEE802154_ADDR_SHORT && | |
792 | nla_put_shortaddr(msg, IEEE802154_ATTR_SHORT_ADDR, | |
793 | desc->device_addr.short_addr)) | |
794 | return -EMSGSIZE; | |
795 | ||
796 | if (desc->device_addr.mode == IEEE802154_ADDR_LONG && | |
797 | nla_put_hwaddr(msg, IEEE802154_ATTR_HW_ADDR, | |
798 | desc->device_addr.extended_addr)) | |
799 | return -EMSGSIZE; | |
800 | } | |
801 | ||
802 | if (desc->mode != IEEE802154_SCF_KEY_IMPLICIT && | |
803 | nla_put_u8(msg, IEEE802154_ATTR_LLSEC_KEY_ID, desc->id)) | |
804 | return -EMSGSIZE; | |
805 | ||
806 | if (desc->mode == IEEE802154_SCF_KEY_SHORT_INDEX && | |
807 | nla_put_u32(msg, IEEE802154_ATTR_LLSEC_KEY_SOURCE_SHORT, | |
808 | le32_to_cpu(desc->short_source))) | |
809 | return -EMSGSIZE; | |
810 | ||
811 | if (desc->mode == IEEE802154_SCF_KEY_HW_INDEX && | |
812 | nla_put_hwaddr(msg, IEEE802154_ATTR_LLSEC_KEY_SOURCE_EXTENDED, | |
813 | desc->extended_source)) | |
814 | return -EMSGSIZE; | |
815 | ||
816 | return 0; | |
817 | } | |
818 | ||
819 | int ieee802154_llsec_getparams(struct sk_buff *skb, struct genl_info *info) | |
820 | { | |
821 | struct sk_buff *msg; | |
822 | struct net_device *dev = NULL; | |
823 | int rc = -ENOBUFS; | |
824 | struct ieee802154_mlme_ops *ops; | |
825 | void *hdr; | |
826 | struct ieee802154_llsec_params params; | |
827 | ||
828 | pr_debug("%s\n", __func__); | |
829 | ||
830 | dev = ieee802154_nl_get_dev(info); | |
831 | if (!dev) | |
832 | return -ENODEV; | |
833 | ||
834 | ops = ieee802154_mlme_ops(dev); | |
b3f7a7b4 DC |
835 | if (!ops->llsec) { |
836 | rc = -EOPNOTSUPP; | |
837 | goto out_dev; | |
838 | } | |
3e9c156e PB |
839 | |
840 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
841 | if (!msg) | |
842 | goto out_dev; | |
843 | ||
844 | hdr = genlmsg_put(msg, 0, info->snd_seq, &nl802154_family, 0, | |
845 | IEEE802154_LLSEC_GETPARAMS); | |
846 | if (!hdr) | |
847 | goto out_free; | |
848 | ||
849 | rc = ops->llsec->get_params(dev, ¶ms); | |
850 | if (rc < 0) | |
851 | goto out_free; | |
852 | ||
853 | if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) || | |
854 | nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) || | |
855 | nla_put_u8(msg, IEEE802154_ATTR_LLSEC_ENABLED, params.enabled) || | |
856 | nla_put_u8(msg, IEEE802154_ATTR_LLSEC_SECLEVEL, params.out_level) || | |
857 | nla_put_u32(msg, IEEE802154_ATTR_LLSEC_FRAME_COUNTER, | |
858 | be32_to_cpu(params.frame_counter)) || | |
859 | ieee802154_llsec_fill_key_id(msg, ¶ms.out_key)) | |
860 | goto out_free; | |
861 | ||
862 | dev_put(dev); | |
863 | ||
864 | return ieee802154_nl_reply(msg, info); | |
865 | out_free: | |
866 | nlmsg_free(msg); | |
867 | out_dev: | |
868 | dev_put(dev); | |
869 | return rc; | |
870 | } | |
871 | ||
872 | int ieee802154_llsec_setparams(struct sk_buff *skb, struct genl_info *info) | |
873 | { | |
874 | struct net_device *dev = NULL; | |
875 | int rc = -EINVAL; | |
876 | struct ieee802154_mlme_ops *ops; | |
877 | struct ieee802154_llsec_params params; | |
878 | int changed = 0; | |
879 | ||
880 | pr_debug("%s\n", __func__); | |
881 | ||
882 | dev = ieee802154_nl_get_dev(info); | |
883 | if (!dev) | |
884 | return -ENODEV; | |
885 | ||
886 | if (!info->attrs[IEEE802154_ATTR_LLSEC_ENABLED] && | |
887 | !info->attrs[IEEE802154_ATTR_LLSEC_KEY_MODE] && | |
888 | !info->attrs[IEEE802154_ATTR_LLSEC_SECLEVEL]) | |
889 | goto out; | |
890 | ||
891 | ops = ieee802154_mlme_ops(dev); | |
892 | if (!ops->llsec) { | |
893 | rc = -EOPNOTSUPP; | |
894 | goto out; | |
895 | } | |
896 | ||
897 | if (info->attrs[IEEE802154_ATTR_LLSEC_SECLEVEL] && | |
898 | nla_get_u8(info->attrs[IEEE802154_ATTR_LLSEC_SECLEVEL]) > 7) | |
899 | goto out; | |
900 | ||
901 | if (info->attrs[IEEE802154_ATTR_LLSEC_ENABLED]) { | |
902 | params.enabled = nla_get_u8(info->attrs[IEEE802154_ATTR_LLSEC_ENABLED]); | |
903 | changed |= IEEE802154_LLSEC_PARAM_ENABLED; | |
904 | } | |
905 | ||
906 | if (info->attrs[IEEE802154_ATTR_LLSEC_KEY_MODE]) { | |
907 | if (ieee802154_llsec_parse_key_id(info, ¶ms.out_key)) | |
908 | goto out; | |
909 | ||
910 | changed |= IEEE802154_LLSEC_PARAM_OUT_KEY; | |
911 | } | |
912 | ||
913 | if (info->attrs[IEEE802154_ATTR_LLSEC_SECLEVEL]) { | |
914 | params.out_level = nla_get_u8(info->attrs[IEEE802154_ATTR_LLSEC_SECLEVEL]); | |
915 | changed |= IEEE802154_LLSEC_PARAM_OUT_LEVEL; | |
916 | } | |
917 | ||
918 | if (info->attrs[IEEE802154_ATTR_LLSEC_FRAME_COUNTER]) { | |
919 | u32 fc = nla_get_u32(info->attrs[IEEE802154_ATTR_LLSEC_FRAME_COUNTER]); | |
920 | ||
921 | params.frame_counter = cpu_to_be32(fc); | |
922 | changed |= IEEE802154_LLSEC_PARAM_FRAME_COUNTER; | |
923 | } | |
924 | ||
925 | rc = ops->llsec->set_params(dev, ¶ms, changed); | |
926 | ||
927 | dev_put(dev); | |
928 | ||
929 | return rc; | |
930 | out: | |
931 | dev_put(dev); | |
932 | return rc; | |
933 | } | |
934 | ||
935 | ||
936 | ||
937 | struct llsec_dump_data { | |
938 | struct sk_buff *skb; | |
939 | int s_idx, s_idx2; | |
940 | int portid; | |
941 | int nlmsg_seq; | |
942 | struct net_device *dev; | |
943 | struct ieee802154_mlme_ops *ops; | |
944 | struct ieee802154_llsec_table *table; | |
945 | }; | |
946 | ||
947 | static int | |
948 | ieee802154_llsec_dump_table(struct sk_buff *skb, struct netlink_callback *cb, | |
949 | int (*step)(struct llsec_dump_data*)) | |
950 | { | |
951 | struct net *net = sock_net(skb->sk); | |
952 | struct net_device *dev; | |
953 | struct llsec_dump_data data; | |
954 | int idx = 0; | |
955 | int first_dev = cb->args[0]; | |
956 | int rc; | |
957 | ||
958 | for_each_netdev(net, dev) { | |
959 | if (idx < first_dev || dev->type != ARPHRD_IEEE802154) | |
960 | goto skip; | |
961 | ||
962 | data.ops = ieee802154_mlme_ops(dev); | |
963 | if (!data.ops->llsec) | |
964 | goto skip; | |
965 | ||
966 | data.skb = skb; | |
967 | data.s_idx = cb->args[1]; | |
968 | data.s_idx2 = cb->args[2]; | |
969 | data.dev = dev; | |
970 | data.portid = NETLINK_CB(cb->skb).portid; | |
971 | data.nlmsg_seq = cb->nlh->nlmsg_seq; | |
972 | ||
973 | data.ops->llsec->lock_table(dev); | |
974 | data.ops->llsec->get_table(data.dev, &data.table); | |
975 | rc = step(&data); | |
976 | data.ops->llsec->unlock_table(dev); | |
977 | ||
978 | if (rc < 0) | |
979 | break; | |
980 | ||
981 | skip: | |
982 | idx++; | |
983 | } | |
984 | cb->args[0] = idx; | |
985 | ||
986 | return skb->len; | |
987 | } | |
988 | ||
989 | static int | |
990 | ieee802154_nl_llsec_change(struct sk_buff *skb, struct genl_info *info, | |
991 | int (*fn)(struct net_device*, struct genl_info*)) | |
992 | { | |
993 | struct net_device *dev = NULL; | |
994 | int rc = -EINVAL; | |
995 | ||
996 | dev = ieee802154_nl_get_dev(info); | |
997 | if (!dev) | |
998 | return -ENODEV; | |
999 | ||
1000 | if (!ieee802154_mlme_ops(dev)->llsec) | |
1001 | rc = -EOPNOTSUPP; | |
1002 | else | |
1003 | rc = fn(dev, info); | |
1004 | ||
1005 | dev_put(dev); | |
1006 | return rc; | |
1007 | } | |
1008 | ||
1009 | ||
1010 | ||
1011 | static int | |
1012 | ieee802154_llsec_parse_key(struct genl_info *info, | |
1013 | struct ieee802154_llsec_key *key) | |
1014 | { | |
1015 | u8 frames; | |
1016 | u32 commands[256 / 32]; | |
1017 | ||
1018 | memset(key, 0, sizeof(*key)); | |
1019 | ||
1020 | if (!info->attrs[IEEE802154_ATTR_LLSEC_KEY_USAGE_FRAME_TYPES] || | |
1021 | !info->attrs[IEEE802154_ATTR_LLSEC_KEY_BYTES]) | |
1022 | return -EINVAL; | |
1023 | ||
1024 | frames = nla_get_u8(info->attrs[IEEE802154_ATTR_LLSEC_KEY_USAGE_FRAME_TYPES]); | |
1025 | if ((frames & BIT(IEEE802154_FC_TYPE_MAC_CMD)) && | |
1026 | !info->attrs[IEEE802154_ATTR_LLSEC_KEY_USAGE_COMMANDS]) | |
1027 | return -EINVAL; | |
1028 | ||
1029 | if (info->attrs[IEEE802154_ATTR_LLSEC_KEY_USAGE_COMMANDS]) { | |
1030 | nla_memcpy(commands, | |
1031 | info->attrs[IEEE802154_ATTR_LLSEC_KEY_USAGE_COMMANDS], | |
1032 | 256 / 8); | |
1033 | ||
1034 | if (commands[0] || commands[1] || commands[2] || commands[3] || | |
1035 | commands[4] || commands[5] || commands[6] || | |
1036 | commands[7] >= BIT(IEEE802154_CMD_GTS_REQ + 1)) | |
1037 | return -EINVAL; | |
1038 | ||
1039 | key->cmd_frame_ids = commands[7]; | |
1040 | } | |
1041 | ||
1042 | key->frame_types = frames; | |
1043 | ||
1044 | nla_memcpy(key->key, info->attrs[IEEE802154_ATTR_LLSEC_KEY_BYTES], | |
1045 | IEEE802154_LLSEC_KEY_SIZE); | |
1046 | ||
1047 | return 0; | |
1048 | } | |
1049 | ||
1050 | static int llsec_add_key(struct net_device *dev, struct genl_info *info) | |
1051 | { | |
1052 | struct ieee802154_mlme_ops *ops = ieee802154_mlme_ops(dev); | |
1053 | struct ieee802154_llsec_key key; | |
1054 | struct ieee802154_llsec_key_id id; | |
1055 | ||
1056 | if (ieee802154_llsec_parse_key(info, &key) || | |
1057 | ieee802154_llsec_parse_key_id(info, &id)) | |
1058 | return -EINVAL; | |
1059 | ||
1060 | return ops->llsec->add_key(dev, &id, &key); | |
1061 | } | |
1062 | ||
1063 | int ieee802154_llsec_add_key(struct sk_buff *skb, struct genl_info *info) | |
1064 | { | |
1065 | if ((info->nlhdr->nlmsg_flags & (NLM_F_CREATE | NLM_F_EXCL)) != | |
1066 | (NLM_F_CREATE | NLM_F_EXCL)) | |
1067 | return -EINVAL; | |
1068 | ||
1069 | return ieee802154_nl_llsec_change(skb, info, llsec_add_key); | |
1070 | } | |
1071 | ||
1072 | static int llsec_remove_key(struct net_device *dev, struct genl_info *info) | |
1073 | { | |
1074 | struct ieee802154_mlme_ops *ops = ieee802154_mlme_ops(dev); | |
1075 | struct ieee802154_llsec_key_id id; | |
1076 | ||
1077 | if (ieee802154_llsec_parse_key_id(info, &id)) | |
1078 | return -EINVAL; | |
1079 | ||
1080 | return ops->llsec->del_key(dev, &id); | |
1081 | } | |
1082 | ||
1083 | int ieee802154_llsec_del_key(struct sk_buff *skb, struct genl_info *info) | |
1084 | { | |
1085 | return ieee802154_nl_llsec_change(skb, info, llsec_remove_key); | |
1086 | } | |
1087 | ||
1088 | static int | |
1089 | ieee802154_nl_fill_key(struct sk_buff *msg, u32 portid, u32 seq, | |
1090 | const struct ieee802154_llsec_key_entry *key, | |
1091 | const struct net_device *dev) | |
1092 | { | |
1093 | void *hdr; | |
1094 | u32 commands[256 / 32]; | |
1095 | ||
1096 | hdr = genlmsg_put(msg, 0, seq, &nl802154_family, NLM_F_MULTI, | |
1097 | IEEE802154_LLSEC_LIST_KEY); | |
1098 | if (!hdr) | |
1099 | goto out; | |
1100 | ||
1101 | if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) || | |
1102 | nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) || | |
1103 | ieee802154_llsec_fill_key_id(msg, &key->id) || | |
1104 | nla_put_u8(msg, IEEE802154_ATTR_LLSEC_KEY_USAGE_FRAME_TYPES, | |
1105 | key->key->frame_types)) | |
1106 | goto nla_put_failure; | |
1107 | ||
1108 | if (key->key->frame_types & BIT(IEEE802154_FC_TYPE_MAC_CMD)) { | |
1109 | memset(commands, 0, sizeof(commands)); | |
1110 | commands[7] = key->key->cmd_frame_ids; | |
1111 | if (nla_put(msg, IEEE802154_ATTR_LLSEC_KEY_USAGE_COMMANDS, | |
1112 | sizeof(commands), commands)) | |
1113 | goto nla_put_failure; | |
1114 | } | |
1115 | ||
1116 | if (nla_put(msg, IEEE802154_ATTR_LLSEC_KEY_BYTES, | |
1117 | IEEE802154_LLSEC_KEY_SIZE, key->key->key)) | |
1118 | goto nla_put_failure; | |
1119 | ||
1120 | genlmsg_end(msg, hdr); | |
1121 | return 0; | |
1122 | ||
1123 | nla_put_failure: | |
1124 | genlmsg_cancel(msg, hdr); | |
1125 | out: | |
1126 | return -EMSGSIZE; | |
1127 | } | |
1128 | ||
1129 | static int llsec_iter_keys(struct llsec_dump_data *data) | |
1130 | { | |
1131 | struct ieee802154_llsec_key_entry *pos; | |
1132 | int rc = 0, idx = 0; | |
1133 | ||
1134 | list_for_each_entry(pos, &data->table->keys, list) { | |
1135 | if (idx++ < data->s_idx) | |
1136 | continue; | |
1137 | ||
1138 | if (ieee802154_nl_fill_key(data->skb, data->portid, | |
1139 | data->nlmsg_seq, pos, data->dev)) { | |
1140 | rc = -EMSGSIZE; | |
1141 | break; | |
1142 | } | |
1143 | ||
1144 | data->s_idx++; | |
1145 | } | |
1146 | ||
1147 | return rc; | |
1148 | } | |
1149 | ||
1150 | int ieee802154_llsec_dump_keys(struct sk_buff *skb, struct netlink_callback *cb) | |
1151 | { | |
1152 | return ieee802154_llsec_dump_table(skb, cb, llsec_iter_keys); | |
1153 | } | |
1154 | ||
1155 | ||
1156 | ||
1157 | static int | |
1158 | llsec_parse_dev(struct genl_info *info, | |
1159 | struct ieee802154_llsec_device *dev) | |
1160 | { | |
1161 | memset(dev, 0, sizeof(*dev)); | |
1162 | ||
1163 | if (!info->attrs[IEEE802154_ATTR_LLSEC_FRAME_COUNTER] || | |
1164 | !info->attrs[IEEE802154_ATTR_HW_ADDR] || | |
1165 | !info->attrs[IEEE802154_ATTR_LLSEC_DEV_OVERRIDE] || | |
1166 | !info->attrs[IEEE802154_ATTR_LLSEC_DEV_KEY_MODE] || | |
1167 | (!!info->attrs[IEEE802154_ATTR_PAN_ID] != | |
1168 | !!info->attrs[IEEE802154_ATTR_SHORT_ADDR])) | |
1169 | return -EINVAL; | |
1170 | ||
1171 | if (info->attrs[IEEE802154_ATTR_PAN_ID]) { | |
1172 | dev->pan_id = nla_get_shortaddr(info->attrs[IEEE802154_ATTR_PAN_ID]); | |
1173 | dev->short_addr = nla_get_shortaddr(info->attrs[IEEE802154_ATTR_SHORT_ADDR]); | |
1174 | } else { | |
1175 | dev->short_addr = cpu_to_le16(IEEE802154_ADDR_UNDEF); | |
1176 | } | |
1177 | ||
1178 | dev->hwaddr = nla_get_hwaddr(info->attrs[IEEE802154_ATTR_HW_ADDR]); | |
1179 | dev->frame_counter = nla_get_u32(info->attrs[IEEE802154_ATTR_LLSEC_FRAME_COUNTER]); | |
1180 | dev->seclevel_exempt = !!nla_get_u8(info->attrs[IEEE802154_ATTR_LLSEC_DEV_OVERRIDE]); | |
1181 | dev->key_mode = nla_get_u8(info->attrs[IEEE802154_ATTR_LLSEC_DEV_KEY_MODE]); | |
1182 | ||
1183 | if (dev->key_mode >= __IEEE802154_LLSEC_DEVKEY_MAX) | |
1184 | return -EINVAL; | |
1185 | ||
1186 | return 0; | |
1187 | } | |
1188 | ||
1189 | static int llsec_add_dev(struct net_device *dev, struct genl_info *info) | |
1190 | { | |
1191 | struct ieee802154_mlme_ops *ops = ieee802154_mlme_ops(dev); | |
1192 | struct ieee802154_llsec_device desc; | |
1193 | ||
1194 | if (llsec_parse_dev(info, &desc)) | |
1195 | return -EINVAL; | |
1196 | ||
1197 | return ops->llsec->add_dev(dev, &desc); | |
1198 | } | |
1199 | ||
1200 | int ieee802154_llsec_add_dev(struct sk_buff *skb, struct genl_info *info) | |
1201 | { | |
1202 | if ((info->nlhdr->nlmsg_flags & (NLM_F_CREATE | NLM_F_EXCL)) != | |
1203 | (NLM_F_CREATE | NLM_F_EXCL)) | |
1204 | return -EINVAL; | |
1205 | ||
1206 | return ieee802154_nl_llsec_change(skb, info, llsec_add_dev); | |
1207 | } | |
1208 | ||
1209 | static int llsec_del_dev(struct net_device *dev, struct genl_info *info) | |
1210 | { | |
1211 | struct ieee802154_mlme_ops *ops = ieee802154_mlme_ops(dev); | |
1212 | __le64 devaddr; | |
1213 | ||
1214 | if (!info->attrs[IEEE802154_ATTR_HW_ADDR]) | |
1215 | return -EINVAL; | |
1216 | ||
1217 | devaddr = nla_get_hwaddr(info->attrs[IEEE802154_ATTR_HW_ADDR]); | |
1218 | ||
1219 | return ops->llsec->del_dev(dev, devaddr); | |
1220 | } | |
1221 | ||
1222 | int ieee802154_llsec_del_dev(struct sk_buff *skb, struct genl_info *info) | |
1223 | { | |
1224 | return ieee802154_nl_llsec_change(skb, info, llsec_del_dev); | |
1225 | } | |
1226 | ||
1227 | static int | |
1228 | ieee802154_nl_fill_dev(struct sk_buff *msg, u32 portid, u32 seq, | |
1229 | const struct ieee802154_llsec_device *desc, | |
1230 | const struct net_device *dev) | |
1231 | { | |
1232 | void *hdr; | |
1233 | ||
1234 | hdr = genlmsg_put(msg, 0, seq, &nl802154_family, NLM_F_MULTI, | |
1235 | IEEE802154_LLSEC_LIST_DEV); | |
1236 | if (!hdr) | |
1237 | goto out; | |
1238 | ||
1239 | if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) || | |
1240 | nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) || | |
1241 | nla_put_shortaddr(msg, IEEE802154_ATTR_PAN_ID, desc->pan_id) || | |
1242 | nla_put_shortaddr(msg, IEEE802154_ATTR_SHORT_ADDR, | |
1243 | desc->short_addr) || | |
1244 | nla_put_hwaddr(msg, IEEE802154_ATTR_HW_ADDR, desc->hwaddr) || | |
1245 | nla_put_u32(msg, IEEE802154_ATTR_LLSEC_FRAME_COUNTER, | |
1246 | desc->frame_counter) || | |
1247 | nla_put_u8(msg, IEEE802154_ATTR_LLSEC_DEV_OVERRIDE, | |
1248 | desc->seclevel_exempt) || | |
1249 | nla_put_u8(msg, IEEE802154_ATTR_LLSEC_DEV_KEY_MODE, desc->key_mode)) | |
1250 | goto nla_put_failure; | |
1251 | ||
1252 | genlmsg_end(msg, hdr); | |
1253 | return 0; | |
1254 | ||
1255 | nla_put_failure: | |
1256 | genlmsg_cancel(msg, hdr); | |
1257 | out: | |
1258 | return -EMSGSIZE; | |
1259 | } | |
1260 | ||
1261 | static int llsec_iter_devs(struct llsec_dump_data *data) | |
1262 | { | |
1263 | struct ieee802154_llsec_device *pos; | |
1264 | int rc = 0, idx = 0; | |
1265 | ||
1266 | list_for_each_entry(pos, &data->table->devices, list) { | |
1267 | if (idx++ < data->s_idx) | |
1268 | continue; | |
1269 | ||
1270 | if (ieee802154_nl_fill_dev(data->skb, data->portid, | |
1271 | data->nlmsg_seq, pos, data->dev)) { | |
1272 | rc = -EMSGSIZE; | |
1273 | break; | |
1274 | } | |
1275 | ||
1276 | data->s_idx++; | |
1277 | } | |
1278 | ||
1279 | return rc; | |
1280 | } | |
1281 | ||
1282 | int ieee802154_llsec_dump_devs(struct sk_buff *skb, struct netlink_callback *cb) | |
1283 | { | |
1284 | return ieee802154_llsec_dump_table(skb, cb, llsec_iter_devs); | |
1285 | } | |
1286 | ||
1287 | ||
1288 | ||
1289 | static int llsec_add_devkey(struct net_device *dev, struct genl_info *info) | |
1290 | { | |
1291 | struct ieee802154_mlme_ops *ops = ieee802154_mlme_ops(dev); | |
1292 | struct ieee802154_llsec_device_key key; | |
1293 | __le64 devaddr; | |
1294 | ||
1295 | if (!info->attrs[IEEE802154_ATTR_LLSEC_FRAME_COUNTER] || | |
1296 | !info->attrs[IEEE802154_ATTR_HW_ADDR] || | |
1297 | ieee802154_llsec_parse_key_id(info, &key.key_id)) | |
1298 | return -EINVAL; | |
1299 | ||
1300 | devaddr = nla_get_hwaddr(info->attrs[IEEE802154_ATTR_HW_ADDR]); | |
1301 | key.frame_counter = nla_get_u32(info->attrs[IEEE802154_ATTR_LLSEC_FRAME_COUNTER]); | |
1302 | ||
1303 | return ops->llsec->add_devkey(dev, devaddr, &key); | |
1304 | } | |
1305 | ||
1306 | int ieee802154_llsec_add_devkey(struct sk_buff *skb, struct genl_info *info) | |
1307 | { | |
1308 | if ((info->nlhdr->nlmsg_flags & (NLM_F_CREATE | NLM_F_EXCL)) != | |
1309 | (NLM_F_CREATE | NLM_F_EXCL)) | |
1310 | return -EINVAL; | |
1311 | ||
1312 | return ieee802154_nl_llsec_change(skb, info, llsec_add_devkey); | |
1313 | } | |
1314 | ||
1315 | static int llsec_del_devkey(struct net_device *dev, struct genl_info *info) | |
1316 | { | |
1317 | struct ieee802154_mlme_ops *ops = ieee802154_mlme_ops(dev); | |
1318 | struct ieee802154_llsec_device_key key; | |
1319 | __le64 devaddr; | |
1320 | ||
1321 | if (!info->attrs[IEEE802154_ATTR_HW_ADDR] || | |
1322 | ieee802154_llsec_parse_key_id(info, &key.key_id)) | |
1323 | return -EINVAL; | |
1324 | ||
1325 | devaddr = nla_get_hwaddr(info->attrs[IEEE802154_ATTR_HW_ADDR]); | |
1326 | ||
1327 | return ops->llsec->del_devkey(dev, devaddr, &key); | |
1328 | } | |
1329 | ||
1330 | int ieee802154_llsec_del_devkey(struct sk_buff *skb, struct genl_info *info) | |
1331 | { | |
1332 | return ieee802154_nl_llsec_change(skb, info, llsec_del_devkey); | |
1333 | } | |
1334 | ||
1335 | static int | |
1336 | ieee802154_nl_fill_devkey(struct sk_buff *msg, u32 portid, u32 seq, | |
1337 | __le64 devaddr, | |
1338 | const struct ieee802154_llsec_device_key *devkey, | |
1339 | const struct net_device *dev) | |
1340 | { | |
1341 | void *hdr; | |
1342 | ||
1343 | hdr = genlmsg_put(msg, 0, seq, &nl802154_family, NLM_F_MULTI, | |
1344 | IEEE802154_LLSEC_LIST_DEVKEY); | |
1345 | if (!hdr) | |
1346 | goto out; | |
1347 | ||
1348 | if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) || | |
1349 | nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) || | |
1350 | nla_put_hwaddr(msg, IEEE802154_ATTR_HW_ADDR, devaddr) || | |
1351 | nla_put_u32(msg, IEEE802154_ATTR_LLSEC_FRAME_COUNTER, | |
1352 | devkey->frame_counter) || | |
1353 | ieee802154_llsec_fill_key_id(msg, &devkey->key_id)) | |
1354 | goto nla_put_failure; | |
1355 | ||
1356 | genlmsg_end(msg, hdr); | |
1357 | return 0; | |
1358 | ||
1359 | nla_put_failure: | |
1360 | genlmsg_cancel(msg, hdr); | |
1361 | out: | |
1362 | return -EMSGSIZE; | |
1363 | } | |
1364 | ||
1365 | static int llsec_iter_devkeys(struct llsec_dump_data *data) | |
1366 | { | |
1367 | struct ieee802154_llsec_device *dpos; | |
1368 | struct ieee802154_llsec_device_key *kpos; | |
1369 | int rc = 0, idx = 0, idx2; | |
1370 | ||
1371 | list_for_each_entry(dpos, &data->table->devices, list) { | |
1372 | if (idx++ < data->s_idx) | |
1373 | continue; | |
1374 | ||
1375 | idx2 = 0; | |
1376 | ||
1377 | list_for_each_entry(kpos, &dpos->keys, list) { | |
1378 | if (idx2++ < data->s_idx2) | |
1379 | continue; | |
1380 | ||
1381 | if (ieee802154_nl_fill_devkey(data->skb, data->portid, | |
1382 | data->nlmsg_seq, | |
1383 | dpos->hwaddr, kpos, | |
1384 | data->dev)) { | |
1385 | return rc = -EMSGSIZE; | |
1386 | } | |
1387 | ||
1388 | data->s_idx2++; | |
1389 | } | |
1390 | ||
1391 | data->s_idx++; | |
1392 | } | |
1393 | ||
1394 | return rc; | |
1395 | } | |
1396 | ||
1397 | int ieee802154_llsec_dump_devkeys(struct sk_buff *skb, | |
1398 | struct netlink_callback *cb) | |
1399 | { | |
1400 | return ieee802154_llsec_dump_table(skb, cb, llsec_iter_devkeys); | |
1401 | } | |
1402 | ||
1403 | ||
1404 | ||
1405 | static int | |
1406 | llsec_parse_seclevel(struct genl_info *info, | |
1407 | struct ieee802154_llsec_seclevel *sl) | |
1408 | { | |
1409 | memset(sl, 0, sizeof(*sl)); | |
1410 | ||
1411 | if (!info->attrs[IEEE802154_ATTR_LLSEC_FRAME_TYPE] || | |
1412 | !info->attrs[IEEE802154_ATTR_LLSEC_SECLEVELS] || | |
1413 | !info->attrs[IEEE802154_ATTR_LLSEC_DEV_OVERRIDE]) | |
1414 | return -EINVAL; | |
1415 | ||
1416 | sl->frame_type = nla_get_u8(info->attrs[IEEE802154_ATTR_LLSEC_FRAME_TYPE]); | |
1417 | if (sl->frame_type == IEEE802154_FC_TYPE_MAC_CMD) { | |
1418 | if (!info->attrs[IEEE802154_ATTR_LLSEC_CMD_FRAME_ID]) | |
1419 | return -EINVAL; | |
1420 | ||
1421 | sl->cmd_frame_id = nla_get_u8(info->attrs[IEEE802154_ATTR_LLSEC_CMD_FRAME_ID]); | |
1422 | } | |
1423 | ||
1424 | sl->sec_levels = nla_get_u8(info->attrs[IEEE802154_ATTR_LLSEC_SECLEVELS]); | |
1425 | sl->device_override = nla_get_u8(info->attrs[IEEE802154_ATTR_LLSEC_DEV_OVERRIDE]); | |
1426 | ||
1427 | return 0; | |
1428 | } | |
1429 | ||
1430 | static int llsec_add_seclevel(struct net_device *dev, struct genl_info *info) | |
1431 | { | |
1432 | struct ieee802154_mlme_ops *ops = ieee802154_mlme_ops(dev); | |
1433 | struct ieee802154_llsec_seclevel sl; | |
1434 | ||
1435 | if (llsec_parse_seclevel(info, &sl)) | |
1436 | return -EINVAL; | |
1437 | ||
1438 | return ops->llsec->add_seclevel(dev, &sl); | |
1439 | } | |
1440 | ||
1441 | int ieee802154_llsec_add_seclevel(struct sk_buff *skb, struct genl_info *info) | |
1442 | { | |
1443 | if ((info->nlhdr->nlmsg_flags & (NLM_F_CREATE | NLM_F_EXCL)) != | |
1444 | (NLM_F_CREATE | NLM_F_EXCL)) | |
1445 | return -EINVAL; | |
1446 | ||
1447 | return ieee802154_nl_llsec_change(skb, info, llsec_add_seclevel); | |
1448 | } | |
1449 | ||
1450 | static int llsec_del_seclevel(struct net_device *dev, struct genl_info *info) | |
1451 | { | |
1452 | struct ieee802154_mlme_ops *ops = ieee802154_mlme_ops(dev); | |
1453 | struct ieee802154_llsec_seclevel sl; | |
1454 | ||
1455 | if (llsec_parse_seclevel(info, &sl)) | |
1456 | return -EINVAL; | |
1457 | ||
1458 | return ops->llsec->del_seclevel(dev, &sl); | |
1459 | } | |
1460 | ||
1461 | int ieee802154_llsec_del_seclevel(struct sk_buff *skb, struct genl_info *info) | |
1462 | { | |
1463 | return ieee802154_nl_llsec_change(skb, info, llsec_del_seclevel); | |
1464 | } | |
1465 | ||
1466 | static int | |
1467 | ieee802154_nl_fill_seclevel(struct sk_buff *msg, u32 portid, u32 seq, | |
1468 | const struct ieee802154_llsec_seclevel *sl, | |
1469 | const struct net_device *dev) | |
1470 | { | |
1471 | void *hdr; | |
1472 | ||
1473 | hdr = genlmsg_put(msg, 0, seq, &nl802154_family, NLM_F_MULTI, | |
1474 | IEEE802154_LLSEC_LIST_SECLEVEL); | |
1475 | if (!hdr) | |
1476 | goto out; | |
1477 | ||
1478 | if (nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name) || | |
1479 | nla_put_u32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex) || | |
1480 | nla_put_u8(msg, IEEE802154_ATTR_LLSEC_FRAME_TYPE, sl->frame_type) || | |
1481 | nla_put_u8(msg, IEEE802154_ATTR_LLSEC_SECLEVELS, sl->sec_levels) || | |
1482 | nla_put_u8(msg, IEEE802154_ATTR_LLSEC_DEV_OVERRIDE, | |
1483 | sl->device_override)) | |
1484 | goto nla_put_failure; | |
1485 | ||
1486 | if (sl->frame_type == IEEE802154_FC_TYPE_MAC_CMD && | |
1487 | nla_put_u8(msg, IEEE802154_ATTR_LLSEC_CMD_FRAME_ID, | |
1488 | sl->cmd_frame_id)) | |
1489 | goto nla_put_failure; | |
1490 | ||
1491 | genlmsg_end(msg, hdr); | |
1492 | return 0; | |
1493 | ||
1494 | nla_put_failure: | |
1495 | genlmsg_cancel(msg, hdr); | |
1496 | out: | |
1497 | return -EMSGSIZE; | |
1498 | } | |
1499 | ||
1500 | static int llsec_iter_seclevels(struct llsec_dump_data *data) | |
1501 | { | |
1502 | struct ieee802154_llsec_seclevel *pos; | |
1503 | int rc = 0, idx = 0; | |
1504 | ||
1505 | list_for_each_entry(pos, &data->table->security_levels, list) { | |
1506 | if (idx++ < data->s_idx) | |
1507 | continue; | |
1508 | ||
1509 | if (ieee802154_nl_fill_seclevel(data->skb, data->portid, | |
1510 | data->nlmsg_seq, pos, | |
1511 | data->dev)) { | |
1512 | rc = -EMSGSIZE; | |
1513 | break; | |
1514 | } | |
1515 | ||
1516 | data->s_idx++; | |
1517 | } | |
1518 | ||
1519 | return rc; | |
1520 | } | |
1521 | ||
1522 | int ieee802154_llsec_dump_seclevels(struct sk_buff *skb, | |
1523 | struct netlink_callback *cb) | |
1524 | { | |
1525 | return ieee802154_llsec_dump_table(skb, cb, llsec_iter_seclevels); | |
1526 | } |