diff options
author | Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> | 2009-09-14 10:17:36 -0400 |
---|---|---|
committer | Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> | 2009-11-06 06:31:20 -0500 |
commit | 78fe738d1a631ec34a29d830880e38f5c14c1371 (patch) | |
tree | 0e6f5a22589a6c95742d53d2bba996841b1e9421 /net/ieee802154/netlink.c | |
parent | cb6b3763571570ebde1e82524c8a45a4275c8f11 (diff) |
ieee802154: split away MAC commands implementation
Move all mac-related stuff to separate file so that ieee802154/netlink.c
contains only generic code.
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Diffstat (limited to 'net/ieee802154/netlink.c')
-rw-r--r-- | net/ieee802154/netlink.c | 605 |
1 files changed, 11 insertions, 594 deletions
diff --git a/net/ieee802154/netlink.c b/net/ieee802154/netlink.c index 0fadd6bd77f6..5b738ec7d9f1 100644 --- a/net/ieee802154/netlink.c +++ b/net/ieee802154/netlink.c | |||
@@ -23,21 +23,15 @@ | |||
23 | */ | 23 | */ |
24 | 24 | ||
25 | #include <linux/kernel.h> | 25 | #include <linux/kernel.h> |
26 | #include <linux/if_arp.h> | ||
27 | #include <linux/netdevice.h> | ||
28 | #include <net/netlink.h> | ||
29 | #include <net/genetlink.h> | 26 | #include <net/genetlink.h> |
30 | #include <net/sock.h> | ||
31 | #include <linux/nl802154.h> | 27 | #include <linux/nl802154.h> |
32 | #include <net/af_ieee802154.h> | 28 | |
33 | #include <net/nl802154.h> | 29 | #include "ieee802154.h" |
34 | #include <net/ieee802154.h> | ||
35 | #include <net/ieee802154_netdev.h> | ||
36 | 30 | ||
37 | static unsigned int ieee802154_seq_num; | 31 | static unsigned int ieee802154_seq_num; |
38 | static DEFINE_SPINLOCK(ieee802154_seq_lock); | 32 | static DEFINE_SPINLOCK(ieee802154_seq_lock); |
39 | 33 | ||
40 | static struct genl_family ieee802154_coordinator_family = { | 34 | struct genl_family nl802154_family = { |
41 | .id = GENL_ID_GENERATE, | 35 | .id = GENL_ID_GENERATE, |
42 | .hdrsize = 0, | 36 | .hdrsize = 0, |
43 | .name = IEEE802154_NL_NAME, | 37 | .name = IEEE802154_NL_NAME, |
@@ -45,16 +39,8 @@ static struct genl_family ieee802154_coordinator_family = { | |||
45 | .maxattr = IEEE802154_ATTR_MAX, | 39 | .maxattr = IEEE802154_ATTR_MAX, |
46 | }; | 40 | }; |
47 | 41 | ||
48 | static struct genl_multicast_group ieee802154_coord_mcgrp = { | ||
49 | .name = IEEE802154_MCAST_COORD_NAME, | ||
50 | }; | ||
51 | |||
52 | static struct genl_multicast_group ieee802154_beacon_mcgrp = { | ||
53 | .name = IEEE802154_MCAST_BEACON_NAME, | ||
54 | }; | ||
55 | |||
56 | /* Requests to userspace */ | 42 | /* Requests to userspace */ |
57 | static struct sk_buff *ieee802154_nl_create(int flags, u8 req) | 43 | struct sk_buff *ieee802154_nl_create(int flags, u8 req) |
58 | { | 44 | { |
59 | void *hdr; | 45 | void *hdr; |
60 | struct sk_buff *msg = nlmsg_new(NLMSG_GOODSIZE, GFP_ATOMIC); | 46 | struct sk_buff *msg = nlmsg_new(NLMSG_GOODSIZE, GFP_ATOMIC); |
@@ -65,7 +51,7 @@ static struct sk_buff *ieee802154_nl_create(int flags, u8 req) | |||
65 | 51 | ||
66 | spin_lock_irqsave(&ieee802154_seq_lock, f); | 52 | spin_lock_irqsave(&ieee802154_seq_lock, f); |
67 | hdr = genlmsg_put(msg, 0, ieee802154_seq_num++, | 53 | hdr = genlmsg_put(msg, 0, ieee802154_seq_num++, |
68 | &ieee802154_coordinator_family, flags, req); | 54 | &nl802154_family, flags, req); |
69 | spin_unlock_irqrestore(&ieee802154_seq_lock, f); | 55 | spin_unlock_irqrestore(&ieee802154_seq_lock, f); |
70 | if (!hdr) { | 56 | if (!hdr) { |
71 | nlmsg_free(msg); | 57 | nlmsg_free(msg); |
@@ -75,7 +61,7 @@ static struct sk_buff *ieee802154_nl_create(int flags, u8 req) | |||
75 | return msg; | 61 | return msg; |
76 | } | 62 | } |
77 | 63 | ||
78 | static int ieee802154_nl_finish(struct sk_buff *msg) | 64 | int ieee802154_nl_mcast(struct sk_buff *msg, unsigned int group) |
79 | { | 65 | { |
80 | /* XXX: nlh is right at the start of msg */ | 66 | /* XXX: nlh is right at the start of msg */ |
81 | void *hdr = genlmsg_data(NLMSG_DATA(msg->data)); | 67 | void *hdr = genlmsg_data(NLMSG_DATA(msg->data)); |
@@ -83,602 +69,33 @@ static int ieee802154_nl_finish(struct sk_buff *msg) | |||
83 | if (genlmsg_end(msg, hdr) < 0) | 69 | if (genlmsg_end(msg, hdr) < 0) |
84 | goto out; | 70 | goto out; |
85 | 71 | ||
86 | return genlmsg_multicast(msg, 0, ieee802154_coord_mcgrp.id, | 72 | return genlmsg_multicast(msg, 0, group, GFP_ATOMIC); |
87 | GFP_ATOMIC); | ||
88 | out: | 73 | out: |
89 | nlmsg_free(msg); | 74 | nlmsg_free(msg); |
90 | return -ENOBUFS; | 75 | return -ENOBUFS; |
91 | } | 76 | } |
92 | 77 | ||
93 | int ieee802154_nl_assoc_indic(struct net_device *dev, | ||
94 | struct ieee802154_addr *addr, u8 cap) | ||
95 | { | ||
96 | struct sk_buff *msg; | ||
97 | |||
98 | pr_debug("%s\n", __func__); | ||
99 | |||
100 | if (addr->addr_type != IEEE802154_ADDR_LONG) { | ||
101 | pr_err("%s: received non-long source address!\n", __func__); | ||
102 | return -EINVAL; | ||
103 | } | ||
104 | |||
105 | msg = ieee802154_nl_create(0, IEEE802154_ASSOCIATE_INDIC); | ||
106 | if (!msg) | ||
107 | return -ENOBUFS; | ||
108 | |||
109 | NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name); | ||
110 | NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex); | ||
111 | NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN, | ||
112 | dev->dev_addr); | ||
113 | |||
114 | NLA_PUT(msg, IEEE802154_ATTR_SRC_HW_ADDR, IEEE802154_ADDR_LEN, | ||
115 | addr->hwaddr); | ||
116 | |||
117 | NLA_PUT_U8(msg, IEEE802154_ATTR_CAPABILITY, cap); | ||
118 | |||
119 | return ieee802154_nl_finish(msg); | ||
120 | |||
121 | nla_put_failure: | ||
122 | nlmsg_free(msg); | ||
123 | return -ENOBUFS; | ||
124 | } | ||
125 | EXPORT_SYMBOL(ieee802154_nl_assoc_indic); | ||
126 | |||
127 | int ieee802154_nl_assoc_confirm(struct net_device *dev, u16 short_addr, | ||
128 | u8 status) | ||
129 | { | ||
130 | struct sk_buff *msg; | ||
131 | |||
132 | pr_debug("%s\n", __func__); | ||
133 | |||
134 | msg = ieee802154_nl_create(0, IEEE802154_ASSOCIATE_CONF); | ||
135 | if (!msg) | ||
136 | return -ENOBUFS; | ||
137 | |||
138 | NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name); | ||
139 | NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex); | ||
140 | NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN, | ||
141 | dev->dev_addr); | ||
142 | |||
143 | NLA_PUT_U16(msg, IEEE802154_ATTR_SHORT_ADDR, short_addr); | ||
144 | NLA_PUT_U8(msg, IEEE802154_ATTR_STATUS, status); | ||
145 | |||
146 | return ieee802154_nl_finish(msg); | ||
147 | |||
148 | nla_put_failure: | ||
149 | nlmsg_free(msg); | ||
150 | return -ENOBUFS; | ||
151 | } | ||
152 | EXPORT_SYMBOL(ieee802154_nl_assoc_confirm); | ||
153 | |||
154 | int ieee802154_nl_disassoc_indic(struct net_device *dev, | ||
155 | struct ieee802154_addr *addr, u8 reason) | ||
156 | { | ||
157 | struct sk_buff *msg; | ||
158 | |||
159 | pr_debug("%s\n", __func__); | ||
160 | |||
161 | msg = ieee802154_nl_create(0, IEEE802154_DISASSOCIATE_INDIC); | ||
162 | if (!msg) | ||
163 | return -ENOBUFS; | ||
164 | |||
165 | NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name); | ||
166 | NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex); | ||
167 | NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN, | ||
168 | dev->dev_addr); | ||
169 | |||
170 | if (addr->addr_type == IEEE802154_ADDR_LONG) | ||
171 | NLA_PUT(msg, IEEE802154_ATTR_SRC_HW_ADDR, IEEE802154_ADDR_LEN, | ||
172 | addr->hwaddr); | ||
173 | else | ||
174 | NLA_PUT_U16(msg, IEEE802154_ATTR_SRC_SHORT_ADDR, | ||
175 | addr->short_addr); | ||
176 | |||
177 | NLA_PUT_U8(msg, IEEE802154_ATTR_REASON, reason); | ||
178 | |||
179 | return ieee802154_nl_finish(msg); | ||
180 | |||
181 | nla_put_failure: | ||
182 | nlmsg_free(msg); | ||
183 | return -ENOBUFS; | ||
184 | } | ||
185 | EXPORT_SYMBOL(ieee802154_nl_disassoc_indic); | ||
186 | |||
187 | int ieee802154_nl_disassoc_confirm(struct net_device *dev, u8 status) | ||
188 | { | ||
189 | struct sk_buff *msg; | ||
190 | |||
191 | pr_debug("%s\n", __func__); | ||
192 | |||
193 | msg = ieee802154_nl_create(0, IEEE802154_DISASSOCIATE_CONF); | ||
194 | if (!msg) | ||
195 | return -ENOBUFS; | ||
196 | |||
197 | NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name); | ||
198 | NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex); | ||
199 | NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN, | ||
200 | dev->dev_addr); | ||
201 | |||
202 | NLA_PUT_U8(msg, IEEE802154_ATTR_STATUS, status); | ||
203 | |||
204 | return ieee802154_nl_finish(msg); | ||
205 | |||
206 | nla_put_failure: | ||
207 | nlmsg_free(msg); | ||
208 | return -ENOBUFS; | ||
209 | } | ||
210 | EXPORT_SYMBOL(ieee802154_nl_disassoc_confirm); | ||
211 | |||
212 | int ieee802154_nl_beacon_indic(struct net_device *dev, | ||
213 | u16 panid, u16 coord_addr) | ||
214 | { | ||
215 | struct sk_buff *msg; | ||
216 | |||
217 | pr_debug("%s\n", __func__); | ||
218 | |||
219 | msg = ieee802154_nl_create(0, IEEE802154_BEACON_NOTIFY_INDIC); | ||
220 | if (!msg) | ||
221 | return -ENOBUFS; | ||
222 | |||
223 | NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name); | ||
224 | NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex); | ||
225 | NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN, | ||
226 | dev->dev_addr); | ||
227 | NLA_PUT_U16(msg, IEEE802154_ATTR_COORD_SHORT_ADDR, coord_addr); | ||
228 | NLA_PUT_U16(msg, IEEE802154_ATTR_COORD_PAN_ID, panid); | ||
229 | |||
230 | return ieee802154_nl_finish(msg); | ||
231 | |||
232 | nla_put_failure: | ||
233 | nlmsg_free(msg); | ||
234 | return -ENOBUFS; | ||
235 | } | ||
236 | EXPORT_SYMBOL(ieee802154_nl_beacon_indic); | ||
237 | |||
238 | int ieee802154_nl_scan_confirm(struct net_device *dev, | ||
239 | u8 status, u8 scan_type, u32 unscanned, u8 page, | ||
240 | u8 *edl/* , struct list_head *pan_desc_list */) | ||
241 | { | ||
242 | struct sk_buff *msg; | ||
243 | |||
244 | pr_debug("%s\n", __func__); | ||
245 | |||
246 | msg = ieee802154_nl_create(0, IEEE802154_SCAN_CONF); | ||
247 | if (!msg) | ||
248 | return -ENOBUFS; | ||
249 | |||
250 | NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name); | ||
251 | NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex); | ||
252 | NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN, | ||
253 | dev->dev_addr); | ||
254 | |||
255 | NLA_PUT_U8(msg, IEEE802154_ATTR_STATUS, status); | ||
256 | NLA_PUT_U8(msg, IEEE802154_ATTR_SCAN_TYPE, scan_type); | ||
257 | NLA_PUT_U32(msg, IEEE802154_ATTR_CHANNELS, unscanned); | ||
258 | NLA_PUT_U8(msg, IEEE802154_ATTR_PAGE, page); | ||
259 | |||
260 | if (edl) | ||
261 | NLA_PUT(msg, IEEE802154_ATTR_ED_LIST, 27, edl); | ||
262 | |||
263 | return ieee802154_nl_finish(msg); | ||
264 | |||
265 | nla_put_failure: | ||
266 | nlmsg_free(msg); | ||
267 | return -ENOBUFS; | ||
268 | } | ||
269 | EXPORT_SYMBOL(ieee802154_nl_scan_confirm); | ||
270 | |||
271 | int ieee802154_nl_start_confirm(struct net_device *dev, u8 status) | ||
272 | { | ||
273 | struct sk_buff *msg; | ||
274 | |||
275 | pr_debug("%s\n", __func__); | ||
276 | |||
277 | msg = ieee802154_nl_create(0, IEEE802154_START_CONF); | ||
278 | if (!msg) | ||
279 | return -ENOBUFS; | ||
280 | |||
281 | NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name); | ||
282 | NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex); | ||
283 | NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN, | ||
284 | dev->dev_addr); | ||
285 | |||
286 | NLA_PUT_U8(msg, IEEE802154_ATTR_STATUS, status); | ||
287 | |||
288 | return ieee802154_nl_finish(msg); | ||
289 | |||
290 | nla_put_failure: | ||
291 | nlmsg_free(msg); | ||
292 | return -ENOBUFS; | ||
293 | } | ||
294 | EXPORT_SYMBOL(ieee802154_nl_start_confirm); | ||
295 | |||
296 | static int ieee802154_nl_fill_iface(struct sk_buff *msg, u32 pid, | ||
297 | u32 seq, int flags, struct net_device *dev) | ||
298 | { | ||
299 | void *hdr; | ||
300 | |||
301 | pr_debug("%s\n", __func__); | ||
302 | |||
303 | hdr = genlmsg_put(msg, 0, seq, &ieee802154_coordinator_family, flags, | ||
304 | IEEE802154_LIST_IFACE); | ||
305 | if (!hdr) | ||
306 | goto out; | ||
307 | |||
308 | NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name); | ||
309 | NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex); | ||
310 | |||
311 | NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN, | ||
312 | dev->dev_addr); | ||
313 | NLA_PUT_U16(msg, IEEE802154_ATTR_SHORT_ADDR, | ||
314 | ieee802154_mlme_ops(dev)->get_short_addr(dev)); | ||
315 | NLA_PUT_U16(msg, IEEE802154_ATTR_PAN_ID, | ||
316 | ieee802154_mlme_ops(dev)->get_pan_id(dev)); | ||
317 | return genlmsg_end(msg, hdr); | ||
318 | |||
319 | nla_put_failure: | ||
320 | genlmsg_cancel(msg, hdr); | ||
321 | out: | ||
322 | return -EMSGSIZE; | ||
323 | } | ||
324 | |||
325 | /* Requests from userspace */ | ||
326 | static struct net_device *ieee802154_nl_get_dev(struct genl_info *info) | ||
327 | { | ||
328 | struct net_device *dev; | ||
329 | |||
330 | if (info->attrs[IEEE802154_ATTR_DEV_NAME]) { | ||
331 | char name[IFNAMSIZ + 1]; | ||
332 | nla_strlcpy(name, info->attrs[IEEE802154_ATTR_DEV_NAME], | ||
333 | sizeof(name)); | ||
334 | dev = dev_get_by_name(&init_net, name); | ||
335 | } else if (info->attrs[IEEE802154_ATTR_DEV_INDEX]) | ||
336 | dev = dev_get_by_index(&init_net, | ||
337 | nla_get_u32(info->attrs[IEEE802154_ATTR_DEV_INDEX])); | ||
338 | else | ||
339 | return NULL; | ||
340 | |||
341 | if (!dev) | ||
342 | return NULL; | ||
343 | |||
344 | if (dev->type != ARPHRD_IEEE802154) { | ||
345 | dev_put(dev); | ||
346 | return NULL; | ||
347 | } | ||
348 | |||
349 | return dev; | ||
350 | } | ||
351 | |||
352 | static int ieee802154_associate_req(struct sk_buff *skb, | ||
353 | struct genl_info *info) | ||
354 | { | ||
355 | struct net_device *dev; | ||
356 | struct ieee802154_addr addr; | ||
357 | u8 page; | ||
358 | int ret = -EINVAL; | ||
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; | ||
370 | |||
371 | if (info->attrs[IEEE802154_ATTR_COORD_HW_ADDR]) { | ||
372 | addr.addr_type = IEEE802154_ADDR_LONG; | ||
373 | nla_memcpy(addr.hwaddr, | ||
374 | info->attrs[IEEE802154_ATTR_COORD_HW_ADDR], | ||
375 | IEEE802154_ADDR_LEN); | ||
376 | } else { | ||
377 | addr.addr_type = IEEE802154_ADDR_SHORT; | ||
378 | addr.short_addr = nla_get_u16( | ||
379 | info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR]); | ||
380 | } | ||
381 | addr.pan_id = nla_get_u16(info->attrs[IEEE802154_ATTR_COORD_PAN_ID]); | ||
382 | |||
383 | if (info->attrs[IEEE802154_ATTR_PAGE]) | ||
384 | page = nla_get_u8(info->attrs[IEEE802154_ATTR_PAGE]); | ||
385 | else | ||
386 | page = 0; | ||
387 | |||
388 | ret = ieee802154_mlme_ops(dev)->assoc_req(dev, &addr, | ||
389 | nla_get_u8(info->attrs[IEEE802154_ATTR_CHANNEL]), | ||
390 | page, | ||
391 | nla_get_u8(info->attrs[IEEE802154_ATTR_CAPABILITY])); | ||
392 | |||
393 | dev_put(dev); | ||
394 | return ret; | ||
395 | } | ||
396 | |||
397 | static int ieee802154_associate_resp(struct sk_buff *skb, | ||
398 | struct genl_info *info) | ||
399 | { | ||
400 | struct net_device *dev; | ||
401 | struct ieee802154_addr addr; | ||
402 | int ret = -EINVAL; | ||
403 | |||
404 | if (!info->attrs[IEEE802154_ATTR_STATUS] || | ||
405 | !info->attrs[IEEE802154_ATTR_DEST_HW_ADDR] || | ||
406 | !info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]) | ||
407 | return -EINVAL; | ||
408 | |||
409 | dev = ieee802154_nl_get_dev(info); | ||
410 | if (!dev) | ||
411 | return -ENODEV; | ||
412 | |||
413 | addr.addr_type = IEEE802154_ADDR_LONG; | ||
414 | nla_memcpy(addr.hwaddr, info->attrs[IEEE802154_ATTR_DEST_HW_ADDR], | ||
415 | IEEE802154_ADDR_LEN); | ||
416 | addr.pan_id = ieee802154_mlme_ops(dev)->get_pan_id(dev); | ||
417 | |||
418 | |||
419 | ret = ieee802154_mlme_ops(dev)->assoc_resp(dev, &addr, | ||
420 | nla_get_u16(info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]), | ||
421 | nla_get_u8(info->attrs[IEEE802154_ATTR_STATUS])); | ||
422 | |||
423 | dev_put(dev); | ||
424 | return ret; | ||
425 | } | ||
426 | |||
427 | static int ieee802154_disassociate_req(struct sk_buff *skb, | ||
428 | struct genl_info *info) | ||
429 | { | ||
430 | struct net_device *dev; | ||
431 | struct ieee802154_addr addr; | ||
432 | int ret = -EINVAL; | ||
433 | |||
434 | if ((!info->attrs[IEEE802154_ATTR_DEST_HW_ADDR] && | ||
435 | !info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]) || | ||
436 | !info->attrs[IEEE802154_ATTR_REASON]) | ||
437 | return -EINVAL; | ||
438 | |||
439 | dev = ieee802154_nl_get_dev(info); | ||
440 | if (!dev) | ||
441 | return -ENODEV; | ||
442 | |||
443 | if (info->attrs[IEEE802154_ATTR_DEST_HW_ADDR]) { | ||
444 | addr.addr_type = IEEE802154_ADDR_LONG; | ||
445 | nla_memcpy(addr.hwaddr, | ||
446 | info->attrs[IEEE802154_ATTR_DEST_HW_ADDR], | ||
447 | IEEE802154_ADDR_LEN); | ||
448 | } else { | ||
449 | addr.addr_type = IEEE802154_ADDR_SHORT; | ||
450 | addr.short_addr = nla_get_u16( | ||
451 | info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]); | ||
452 | } | ||
453 | addr.pan_id = ieee802154_mlme_ops(dev)->get_pan_id(dev); | ||
454 | |||
455 | ret = ieee802154_mlme_ops(dev)->disassoc_req(dev, &addr, | ||
456 | nla_get_u8(info->attrs[IEEE802154_ATTR_REASON])); | ||
457 | |||
458 | dev_put(dev); | ||
459 | return ret; | ||
460 | } | ||
461 | |||
462 | /* | ||
463 | * PANid, channel, beacon_order = 15, superframe_order = 15, | ||
464 | * PAN_coordinator, battery_life_extension = 0, | ||
465 | * coord_realignment = 0, security_enable = 0 | ||
466 | */ | ||
467 | static int ieee802154_start_req(struct sk_buff *skb, struct genl_info *info) | ||
468 | { | ||
469 | struct net_device *dev; | ||
470 | struct ieee802154_addr addr; | ||
471 | |||
472 | u8 channel, bcn_ord, sf_ord; | ||
473 | u8 page; | ||
474 | int pan_coord, blx, coord_realign; | ||
475 | int ret; | ||
476 | |||
477 | if (!info->attrs[IEEE802154_ATTR_COORD_PAN_ID] || | ||
478 | !info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR] || | ||
479 | !info->attrs[IEEE802154_ATTR_CHANNEL] || | ||
480 | !info->attrs[IEEE802154_ATTR_BCN_ORD] || | ||
481 | !info->attrs[IEEE802154_ATTR_SF_ORD] || | ||
482 | !info->attrs[IEEE802154_ATTR_PAN_COORD] || | ||
483 | !info->attrs[IEEE802154_ATTR_BAT_EXT] || | ||
484 | !info->attrs[IEEE802154_ATTR_COORD_REALIGN] | ||
485 | ) | ||
486 | return -EINVAL; | ||
487 | |||
488 | dev = ieee802154_nl_get_dev(info); | ||
489 | if (!dev) | ||
490 | return -ENODEV; | ||
491 | |||
492 | addr.addr_type = IEEE802154_ADDR_SHORT; | ||
493 | addr.short_addr = nla_get_u16( | ||
494 | info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR]); | ||
495 | addr.pan_id = nla_get_u16(info->attrs[IEEE802154_ATTR_COORD_PAN_ID]); | ||
496 | |||
497 | channel = nla_get_u8(info->attrs[IEEE802154_ATTR_CHANNEL]); | ||
498 | bcn_ord = nla_get_u8(info->attrs[IEEE802154_ATTR_BCN_ORD]); | ||
499 | sf_ord = nla_get_u8(info->attrs[IEEE802154_ATTR_SF_ORD]); | ||
500 | pan_coord = nla_get_u8(info->attrs[IEEE802154_ATTR_PAN_COORD]); | ||
501 | blx = nla_get_u8(info->attrs[IEEE802154_ATTR_BAT_EXT]); | ||
502 | coord_realign = nla_get_u8(info->attrs[IEEE802154_ATTR_COORD_REALIGN]); | ||
503 | |||
504 | if (info->attrs[IEEE802154_ATTR_PAGE]) | ||
505 | page = nla_get_u8(info->attrs[IEEE802154_ATTR_PAGE]); | ||
506 | else | ||
507 | page = 0; | ||
508 | |||
509 | |||
510 | if (addr.short_addr == IEEE802154_ADDR_BROADCAST) { | ||
511 | ieee802154_nl_start_confirm(dev, IEEE802154_NO_SHORT_ADDRESS); | ||
512 | dev_put(dev); | ||
513 | return -EINVAL; | ||
514 | } | ||
515 | |||
516 | ret = ieee802154_mlme_ops(dev)->start_req(dev, &addr, channel, page, | ||
517 | bcn_ord, sf_ord, pan_coord, blx, coord_realign); | ||
518 | |||
519 | dev_put(dev); | ||
520 | return ret; | ||
521 | } | ||
522 | |||
523 | static int ieee802154_scan_req(struct sk_buff *skb, struct genl_info *info) | ||
524 | { | ||
525 | struct net_device *dev; | ||
526 | int ret; | ||
527 | u8 type; | ||
528 | u32 channels; | ||
529 | u8 duration; | ||
530 | u8 page; | ||
531 | |||
532 | if (!info->attrs[IEEE802154_ATTR_SCAN_TYPE] || | ||
533 | !info->attrs[IEEE802154_ATTR_CHANNELS] || | ||
534 | !info->attrs[IEEE802154_ATTR_DURATION]) | ||
535 | return -EINVAL; | ||
536 | |||
537 | dev = ieee802154_nl_get_dev(info); | ||
538 | if (!dev) | ||
539 | return -ENODEV; | ||
540 | |||
541 | type = nla_get_u8(info->attrs[IEEE802154_ATTR_SCAN_TYPE]); | ||
542 | channels = nla_get_u32(info->attrs[IEEE802154_ATTR_CHANNELS]); | ||
543 | duration = nla_get_u8(info->attrs[IEEE802154_ATTR_DURATION]); | ||
544 | |||
545 | if (info->attrs[IEEE802154_ATTR_PAGE]) | ||
546 | page = nla_get_u8(info->attrs[IEEE802154_ATTR_PAGE]); | ||
547 | else | ||
548 | page = 0; | ||
549 | |||
550 | |||
551 | ret = ieee802154_mlme_ops(dev)->scan_req(dev, type, channels, page, | ||
552 | duration); | ||
553 | |||
554 | dev_put(dev); | ||
555 | return ret; | ||
556 | } | ||
557 | |||
558 | static int ieee802154_list_iface(struct sk_buff *skb, | ||
559 | struct genl_info *info) | ||
560 | { | ||
561 | /* Request for interface name, index, type, IEEE address, | ||
562 | PAN Id, short address */ | ||
563 | struct sk_buff *msg; | ||
564 | struct net_device *dev = NULL; | ||
565 | int rc = -ENOBUFS; | ||
566 | |||
567 | pr_debug("%s\n", __func__); | ||
568 | |||
569 | dev = ieee802154_nl_get_dev(info); | ||
570 | if (!dev) | ||
571 | return -ENODEV; | ||
572 | |||
573 | msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); | ||
574 | if (!msg) | ||
575 | goto out_dev; | ||
576 | |||
577 | rc = ieee802154_nl_fill_iface(msg, info->snd_pid, info->snd_seq, | ||
578 | 0, dev); | ||
579 | if (rc < 0) | ||
580 | goto out_free; | ||
581 | |||
582 | dev_put(dev); | ||
583 | |||
584 | return genlmsg_unicast(&init_net, msg, info->snd_pid); | ||
585 | out_free: | ||
586 | nlmsg_free(msg); | ||
587 | out_dev: | ||
588 | dev_put(dev); | ||
589 | return rc; | ||
590 | |||
591 | } | ||
592 | |||
593 | static int ieee802154_dump_iface(struct sk_buff *skb, | ||
594 | struct netlink_callback *cb) | ||
595 | { | ||
596 | struct net *net = sock_net(skb->sk); | ||
597 | struct net_device *dev; | ||
598 | int idx; | ||
599 | int s_idx = cb->args[0]; | ||
600 | |||
601 | pr_debug("%s\n", __func__); | ||
602 | |||
603 | idx = 0; | ||
604 | for_each_netdev(net, dev) { | ||
605 | if (idx < s_idx || (dev->type != ARPHRD_IEEE802154)) | ||
606 | goto cont; | ||
607 | |||
608 | if (ieee802154_nl_fill_iface(skb, NETLINK_CB(cb->skb).pid, | ||
609 | cb->nlh->nlmsg_seq, NLM_F_MULTI, dev) < 0) | ||
610 | break; | ||
611 | cont: | ||
612 | idx++; | ||
613 | } | ||
614 | cb->args[0] = idx; | ||
615 | |||
616 | return skb->len; | ||
617 | } | ||
618 | |||
619 | #define IEEE802154_OP(_cmd, _func) \ | ||
620 | { \ | ||
621 | .cmd = _cmd, \ | ||
622 | .policy = ieee802154_policy, \ | ||
623 | .doit = _func, \ | ||
624 | .dumpit = NULL, \ | ||
625 | .flags = GENL_ADMIN_PERM, \ | ||
626 | } | ||
627 | |||
628 | #define IEEE802154_DUMP(_cmd, _func, _dump) \ | ||
629 | { \ | ||
630 | .cmd = _cmd, \ | ||
631 | .policy = ieee802154_policy, \ | ||
632 | .doit = _func, \ | ||
633 | .dumpit = _dump, \ | ||
634 | } | ||
635 | |||
636 | static struct genl_ops ieee802154_coordinator_ops[] = { | ||
637 | IEEE802154_OP(IEEE802154_ASSOCIATE_REQ, ieee802154_associate_req), | ||
638 | IEEE802154_OP(IEEE802154_ASSOCIATE_RESP, ieee802154_associate_resp), | ||
639 | IEEE802154_OP(IEEE802154_DISASSOCIATE_REQ, ieee802154_disassociate_req), | ||
640 | IEEE802154_OP(IEEE802154_SCAN_REQ, ieee802154_scan_req), | ||
641 | IEEE802154_OP(IEEE802154_START_REQ, ieee802154_start_req), | ||
642 | IEEE802154_DUMP(IEEE802154_LIST_IFACE, ieee802154_list_iface, | ||
643 | ieee802154_dump_iface), | ||
644 | }; | ||
645 | |||
646 | int __init ieee802154_nl_init(void) | 78 | int __init ieee802154_nl_init(void) |
647 | { | 79 | { |
648 | int rc; | 80 | int rc; |
649 | int i; | ||
650 | 81 | ||
651 | rc = genl_register_family(&ieee802154_coordinator_family); | 82 | rc = genl_register_family(&nl802154_family); |
652 | if (rc) | 83 | if (rc) |
653 | goto fail; | 84 | goto fail; |
654 | 85 | ||
655 | rc = genl_register_mc_group(&ieee802154_coordinator_family, | 86 | rc = nl802154_mac_register(); |
656 | &ieee802154_coord_mcgrp); | ||
657 | if (rc) | 87 | if (rc) |
658 | goto fail; | 88 | goto fail; |
659 | 89 | ||
660 | rc = genl_register_mc_group(&ieee802154_coordinator_family, | ||
661 | &ieee802154_beacon_mcgrp); | ||
662 | if (rc) | ||
663 | goto fail; | ||
664 | |||
665 | |||
666 | for (i = 0; i < ARRAY_SIZE(ieee802154_coordinator_ops); i++) { | ||
667 | rc = genl_register_ops(&ieee802154_coordinator_family, | ||
668 | &ieee802154_coordinator_ops[i]); | ||
669 | if (rc) | ||
670 | goto fail; | ||
671 | } | ||
672 | |||
673 | return 0; | 90 | return 0; |
674 | 91 | ||
675 | fail: | 92 | fail: |
676 | genl_unregister_family(&ieee802154_coordinator_family); | 93 | genl_unregister_family(&nl802154_family); |
677 | return rc; | 94 | return rc; |
678 | } | 95 | } |
679 | 96 | ||
680 | void __exit ieee802154_nl_exit(void) | 97 | void __exit ieee802154_nl_exit(void) |
681 | { | 98 | { |
682 | genl_unregister_family(&ieee802154_coordinator_family); | 99 | genl_unregister_family(&nl802154_family); |
683 | } | 100 | } |
684 | 101 | ||