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authorDavid S. Miller <davem@davemloft.net>2009-11-06 20:57:51 -0500
committerDavid S. Miller <davem@davemloft.net>2009-11-06 20:57:51 -0500
commit10d626f4f444b419046309c10f25515adbffcb16 (patch)
tree216b16bf872bf3b077895443919de0e487da2ea3 /net/ieee802154
parent62d83681e53fd87c91927018cfe5ba9f9e8109a3 (diff)
parentbb1cafb8fc414d6dbe933f888df6540c2ef02101 (diff)
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/lowpan/lowpan
Diffstat (limited to 'net/ieee802154')
-rw-r--r--net/ieee802154/Makefile4
-rw-r--r--net/ieee802154/ieee802154.h53
-rw-r--r--net/ieee802154/netlink.c613
-rw-r--r--net/ieee802154/nl-mac.c617
-rw-r--r--net/ieee802154/nl-phy.c344
-rw-r--r--net/ieee802154/nl_policy.c2
-rw-r--r--net/ieee802154/wpan-class.c77
7 files changed, 1118 insertions, 592 deletions
diff --git a/net/ieee802154/Makefile b/net/ieee802154/Makefile
index 4068a9f5113e..ce2d33582859 100644
--- a/net/ieee802154/Makefile
+++ b/net/ieee802154/Makefile
@@ -1,5 +1,5 @@
1obj-$(CONFIG_IEEE802154) += nl802154.o af_802154.o wpan-class.o 1obj-$(CONFIG_IEEE802154) += ieee802154.o af_802154.o
2nl802154-y := netlink.o nl_policy.o 2ieee802154-y := netlink.o nl-mac.o nl-phy.o nl_policy.o wpan-class.o
3af_802154-y := af_ieee802154.o raw.o dgram.o 3af_802154-y := af_ieee802154.o raw.o dgram.o
4 4
5ccflags-y += -Wall -DDEBUG 5ccflags-y += -Wall -DDEBUG
diff --git a/net/ieee802154/ieee802154.h b/net/ieee802154/ieee802154.h
new file mode 100644
index 000000000000..aadec428e6ec
--- /dev/null
+++ b/net/ieee802154/ieee802154.h
@@ -0,0 +1,53 @@
1/*
2 * Copyright (C) 2007, 2008, 2009 Siemens AG
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2
6 * as published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
16 *
17 */
18#ifndef IEEE_802154_LOCAL_H
19#define IEEE_802154_LOCAL_H
20
21int __init ieee802154_nl_init(void);
22void __exit ieee802154_nl_exit(void);
23
24#define IEEE802154_OP(_cmd, _func) \
25 { \
26 .cmd = _cmd, \
27 .policy = ieee802154_policy, \
28 .doit = _func, \
29 .dumpit = NULL, \
30 .flags = GENL_ADMIN_PERM, \
31 }
32
33#define IEEE802154_DUMP(_cmd, _func, _dump) \
34 { \
35 .cmd = _cmd, \
36 .policy = ieee802154_policy, \
37 .doit = _func, \
38 .dumpit = _dump, \
39 }
40
41struct genl_info;
42
43struct sk_buff *ieee802154_nl_create(int flags, u8 req);
44int ieee802154_nl_mcast(struct sk_buff *msg, unsigned int group);
45struct sk_buff *ieee802154_nl_new_reply(struct genl_info *info,
46 int flags, u8 req);
47int ieee802154_nl_reply(struct sk_buff *msg, struct genl_info *info);
48
49extern struct genl_family nl802154_family;
50int nl802154_mac_register(void);
51int nl802154_phy_register(void);
52
53#endif
diff --git a/net/ieee802154/netlink.c b/net/ieee802154/netlink.c
index ca767bde17a4..33137b99e471 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
37static unsigned int ieee802154_seq_num; 31static unsigned int ieee802154_seq_num;
38static DEFINE_SPINLOCK(ieee802154_seq_lock); 32static DEFINE_SPINLOCK(ieee802154_seq_lock);
39 33
40static struct genl_family ieee802154_coordinator_family = { 34struct 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
48static struct genl_multicast_group ieee802154_coord_mcgrp = {
49 .name = IEEE802154_MCAST_COORD_NAME,
50};
51
52static struct genl_multicast_group ieee802154_beacon_mcgrp = {
53 .name = IEEE802154_MCAST_BEACON_NAME,
54};
55
56/* Requests to userspace */ 42/* Requests to userspace */
57static struct sk_buff *ieee802154_nl_create(int flags, u8 req) 43struct 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
78static int ieee802154_nl_finish(struct sk_buff *msg) 64int 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));
@@ -83,607 +69,70 @@ 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);
88out: 73out:
89 nlmsg_free(msg); 74 nlmsg_free(msg);
90 return -ENOBUFS; 75 return -ENOBUFS;
91} 76}
92 77
93int ieee802154_nl_assoc_indic(struct net_device *dev, 78struct sk_buff *ieee802154_nl_new_reply(struct genl_info *info,
94 struct ieee802154_addr *addr, u8 cap) 79 int flags, u8 req)
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
121nla_put_failure:
122 nlmsg_free(msg);
123 return -ENOBUFS;
124}
125EXPORT_SYMBOL(ieee802154_nl_assoc_indic);
126
127int 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
148nla_put_failure:
149 nlmsg_free(msg);
150 return -ENOBUFS;
151}
152EXPORT_SYMBOL(ieee802154_nl_assoc_confirm);
153
154int 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
181nla_put_failure:
182 nlmsg_free(msg);
183 return -ENOBUFS;
184}
185EXPORT_SYMBOL(ieee802154_nl_disassoc_indic);
186
187int 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
206nla_put_failure:
207 nlmsg_free(msg);
208 return -ENOBUFS;
209}
210EXPORT_SYMBOL(ieee802154_nl_disassoc_confirm);
211
212int 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
232nla_put_failure:
233 nlmsg_free(msg);
234 return -ENOBUFS;
235}
236EXPORT_SYMBOL(ieee802154_nl_beacon_indic);
237
238int 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
265nla_put_failure:
266 nlmsg_free(msg);
267 return -ENOBUFS;
268}
269EXPORT_SYMBOL(ieee802154_nl_scan_confirm);
270
271int 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
290nla_put_failure:
291 nlmsg_free(msg);
292 return -ENOBUFS;
293}
294EXPORT_SYMBOL(ieee802154_nl_start_confirm);
295
296static int ieee802154_nl_fill_iface(struct sk_buff *msg, u32 pid,
297 u32 seq, int flags, struct net_device *dev)
298{ 80{
299 void *hdr; 81 void *hdr;
82 struct sk_buff *msg = nlmsg_new(NLMSG_GOODSIZE, GFP_ATOMIC);
300 83
301 pr_debug("%s\n", __func__); 84 if (!msg)
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
319nla_put_failure:
320 genlmsg_cancel(msg, hdr);
321out:
322 return -EMSGSIZE;
323}
324
325/* Requests from userspace */
326static 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; 85 return NULL;
343 86
344 if (dev->type != ARPHRD_IEEE802154) { 87 hdr = genlmsg_put_reply(msg, info,
345 dev_put(dev); 88 &nl802154_family, flags, req);
89 if (!hdr) {
90 nlmsg_free(msg);
346 return NULL; 91 return NULL;
347 } 92 }
348 93
349 return dev; 94 return msg;
350}
351
352static 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
397static 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
427static 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*/
467static 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
523static 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} 95}
557 96
558static int ieee802154_list_iface(struct sk_buff *skb, 97int ieee802154_nl_reply(struct sk_buff *msg, struct genl_info *info)
559 struct genl_info *info)
560{ 98{
561 /* Request for interface name, index, type, IEEE address, 99 /* XXX: nlh is right at the start of msg */
562 PAN Id, short address */ 100 void *hdr = genlmsg_data(NLMSG_DATA(msg->data));
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;
581 101
582 dev_put(dev); 102 if (genlmsg_end(msg, hdr) < 0)
103 goto out;
583 104
584 return genlmsg_unicast(&init_net, msg, info->snd_pid); 105 return genlmsg_reply(msg, info);
585out_free: 106out:
586 nlmsg_free(msg); 107 nlmsg_free(msg);
587out_dev: 108 return -ENOBUFS;
588 dev_put(dev);
589 return rc;
590
591}
592
593static 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;
611cont:
612 idx++;
613 }
614 cb->args[0] = idx;
615
616 return skb->len;
617} 109}
618 110
619#define IEEE802154_OP(_cmd, _func) \ 111int __init ieee802154_nl_init(void)
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
636static 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
646static int __init ieee802154_nl_init(void)
647{ 112{
648 int rc; 113 int rc;
649 int i;
650 114
651 rc = genl_register_family(&ieee802154_coordinator_family); 115 rc = genl_register_family(&nl802154_family);
652 if (rc) 116 if (rc)
653 goto fail; 117 goto fail;
654 118
655 rc = genl_register_mc_group(&ieee802154_coordinator_family, 119 rc = nl802154_mac_register();
656 &ieee802154_coord_mcgrp);
657 if (rc) 120 if (rc)
658 goto fail; 121 goto fail;
659 122
660 rc = genl_register_mc_group(&ieee802154_coordinator_family, 123 rc = nl802154_phy_register();
661 &ieee802154_beacon_mcgrp);
662 if (rc) 124 if (rc)
663 goto fail; 125 goto fail;
664 126
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; 127 return 0;
674 128
675fail: 129fail:
676 genl_unregister_family(&ieee802154_coordinator_family); 130 genl_unregister_family(&nl802154_family);
677 return rc; 131 return rc;
678} 132}
679module_init(ieee802154_nl_init);
680 133
681static void __exit ieee802154_nl_exit(void) 134void __exit ieee802154_nl_exit(void)
682{ 135{
683 genl_unregister_family(&ieee802154_coordinator_family); 136 genl_unregister_family(&nl802154_family);
684} 137}
685module_exit(ieee802154_nl_exit);
686
687MODULE_LICENSE("GPL v2");
688MODULE_DESCRIPTION("ieee 802.15.4 configuration interface");
689 138
diff --git a/net/ieee802154/nl-mac.c b/net/ieee802154/nl-mac.c
new file mode 100644
index 000000000000..135c1678fb11
--- /dev/null
+++ b/net/ieee802154/nl-mac.c
@@ -0,0 +1,617 @@
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
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>
30#include <net/sock.h>
31#include <linux/nl802154.h>
32#include <net/af_ieee802154.h>
33#include <net/nl802154.h>
34#include <net/ieee802154.h>
35#include <net/ieee802154_netdev.h>
36#include <net/wpan-phy.h>
37
38#include "ieee802154.h"
39
40static struct genl_multicast_group ieee802154_coord_mcgrp = {
41 .name = IEEE802154_MCAST_COORD_NAME,
42};
43
44static struct genl_multicast_group ieee802154_beacon_mcgrp = {
45 .name = IEEE802154_MCAST_BEACON_NAME,
46};
47
48int ieee802154_nl_assoc_indic(struct net_device *dev,
49 struct ieee802154_addr *addr, u8 cap)
50{
51 struct sk_buff *msg;
52
53 pr_debug("%s\n", __func__);
54
55 if (addr->addr_type != IEEE802154_ADDR_LONG) {
56 pr_err("%s: received non-long source address!\n", __func__);
57 return -EINVAL;
58 }
59
60 msg = ieee802154_nl_create(0, IEEE802154_ASSOCIATE_INDIC);
61 if (!msg)
62 return -ENOBUFS;
63
64 NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
65 NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
66 NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
67 dev->dev_addr);
68
69 NLA_PUT(msg, IEEE802154_ATTR_SRC_HW_ADDR, IEEE802154_ADDR_LEN,
70 addr->hwaddr);
71
72 NLA_PUT_U8(msg, IEEE802154_ATTR_CAPABILITY, cap);
73
74 return ieee802154_nl_mcast(msg, ieee802154_coord_mcgrp.id);
75
76nla_put_failure:
77 nlmsg_free(msg);
78 return -ENOBUFS;
79}
80EXPORT_SYMBOL(ieee802154_nl_assoc_indic);
81
82int ieee802154_nl_assoc_confirm(struct net_device *dev, u16 short_addr,
83 u8 status)
84{
85 struct sk_buff *msg;
86
87 pr_debug("%s\n", __func__);
88
89 msg = ieee802154_nl_create(0, IEEE802154_ASSOCIATE_CONF);
90 if (!msg)
91 return -ENOBUFS;
92
93 NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
94 NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
95 NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
96 dev->dev_addr);
97
98 NLA_PUT_U16(msg, IEEE802154_ATTR_SHORT_ADDR, short_addr);
99 NLA_PUT_U8(msg, IEEE802154_ATTR_STATUS, status);
100
101 return ieee802154_nl_mcast(msg, ieee802154_coord_mcgrp.id);
102
103nla_put_failure:
104 nlmsg_free(msg);
105 return -ENOBUFS;
106}
107EXPORT_SYMBOL(ieee802154_nl_assoc_confirm);
108
109int ieee802154_nl_disassoc_indic(struct net_device *dev,
110 struct ieee802154_addr *addr, u8 reason)
111{
112 struct sk_buff *msg;
113
114 pr_debug("%s\n", __func__);
115
116 msg = ieee802154_nl_create(0, IEEE802154_DISASSOCIATE_INDIC);
117 if (!msg)
118 return -ENOBUFS;
119
120 NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
121 NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
122 NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
123 dev->dev_addr);
124
125 if (addr->addr_type == IEEE802154_ADDR_LONG)
126 NLA_PUT(msg, IEEE802154_ATTR_SRC_HW_ADDR, IEEE802154_ADDR_LEN,
127 addr->hwaddr);
128 else
129 NLA_PUT_U16(msg, IEEE802154_ATTR_SRC_SHORT_ADDR,
130 addr->short_addr);
131
132 NLA_PUT_U8(msg, IEEE802154_ATTR_REASON, reason);
133
134 return ieee802154_nl_mcast(msg, ieee802154_coord_mcgrp.id);
135
136nla_put_failure:
137 nlmsg_free(msg);
138 return -ENOBUFS;
139}
140EXPORT_SYMBOL(ieee802154_nl_disassoc_indic);
141
142int ieee802154_nl_disassoc_confirm(struct net_device *dev, u8 status)
143{
144 struct sk_buff *msg;
145
146 pr_debug("%s\n", __func__);
147
148 msg = ieee802154_nl_create(0, IEEE802154_DISASSOCIATE_CONF);
149 if (!msg)
150 return -ENOBUFS;
151
152 NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
153 NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
154 NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
155 dev->dev_addr);
156
157 NLA_PUT_U8(msg, IEEE802154_ATTR_STATUS, status);
158
159 return ieee802154_nl_mcast(msg, ieee802154_coord_mcgrp.id);
160
161nla_put_failure:
162 nlmsg_free(msg);
163 return -ENOBUFS;
164}
165EXPORT_SYMBOL(ieee802154_nl_disassoc_confirm);
166
167int ieee802154_nl_beacon_indic(struct net_device *dev,
168 u16 panid, u16 coord_addr)
169{
170 struct sk_buff *msg;
171
172 pr_debug("%s\n", __func__);
173
174 msg = ieee802154_nl_create(0, IEEE802154_BEACON_NOTIFY_INDIC);
175 if (!msg)
176 return -ENOBUFS;
177
178 NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
179 NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
180 NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
181 dev->dev_addr);
182 NLA_PUT_U16(msg, IEEE802154_ATTR_COORD_SHORT_ADDR, coord_addr);
183 NLA_PUT_U16(msg, IEEE802154_ATTR_COORD_PAN_ID, panid);
184
185 return ieee802154_nl_mcast(msg, ieee802154_coord_mcgrp.id);
186
187nla_put_failure:
188 nlmsg_free(msg);
189 return -ENOBUFS;
190}
191EXPORT_SYMBOL(ieee802154_nl_beacon_indic);
192
193int ieee802154_nl_scan_confirm(struct net_device *dev,
194 u8 status, u8 scan_type, u32 unscanned, u8 page,
195 u8 *edl/* , struct list_head *pan_desc_list */)
196{
197 struct sk_buff *msg;
198
199 pr_debug("%s\n", __func__);
200
201 msg = ieee802154_nl_create(0, IEEE802154_SCAN_CONF);
202 if (!msg)
203 return -ENOBUFS;
204
205 NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
206 NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
207 NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
208 dev->dev_addr);
209
210 NLA_PUT_U8(msg, IEEE802154_ATTR_STATUS, status);
211 NLA_PUT_U8(msg, IEEE802154_ATTR_SCAN_TYPE, scan_type);
212 NLA_PUT_U32(msg, IEEE802154_ATTR_CHANNELS, unscanned);
213 NLA_PUT_U8(msg, IEEE802154_ATTR_PAGE, page);
214
215 if (edl)
216 NLA_PUT(msg, IEEE802154_ATTR_ED_LIST, 27, edl);
217
218 return ieee802154_nl_mcast(msg, ieee802154_coord_mcgrp.id);
219
220nla_put_failure:
221 nlmsg_free(msg);
222 return -ENOBUFS;
223}
224EXPORT_SYMBOL(ieee802154_nl_scan_confirm);
225
226int ieee802154_nl_start_confirm(struct net_device *dev, u8 status)
227{
228 struct sk_buff *msg;
229
230 pr_debug("%s\n", __func__);
231
232 msg = ieee802154_nl_create(0, IEEE802154_START_CONF);
233 if (!msg)
234 return -ENOBUFS;
235
236 NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
237 NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
238 NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
239 dev->dev_addr);
240
241 NLA_PUT_U8(msg, IEEE802154_ATTR_STATUS, status);
242
243 return ieee802154_nl_mcast(msg, ieee802154_coord_mcgrp.id);
244
245nla_put_failure:
246 nlmsg_free(msg);
247 return -ENOBUFS;
248}
249EXPORT_SYMBOL(ieee802154_nl_start_confirm);
250
251static int ieee802154_nl_fill_iface(struct sk_buff *msg, u32 pid,
252 u32 seq, int flags, struct net_device *dev)
253{
254 void *hdr;
255 struct wpan_phy *phy;
256
257 pr_debug("%s\n", __func__);
258
259 hdr = genlmsg_put(msg, 0, seq, &nl802154_family, flags,
260 IEEE802154_LIST_IFACE);
261 if (!hdr)
262 goto out;
263
264 phy = ieee802154_mlme_ops(dev)->get_phy(dev);
265 BUG_ON(!phy);
266
267 NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
268 NLA_PUT_STRING(msg, IEEE802154_ATTR_PHY_NAME, wpan_phy_name(phy));
269 NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
270
271 NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
272 dev->dev_addr);
273 NLA_PUT_U16(msg, IEEE802154_ATTR_SHORT_ADDR,
274 ieee802154_mlme_ops(dev)->get_short_addr(dev));
275 NLA_PUT_U16(msg, IEEE802154_ATTR_PAN_ID,
276 ieee802154_mlme_ops(dev)->get_pan_id(dev));
277 wpan_phy_put(phy);
278 return genlmsg_end(msg, hdr);
279
280nla_put_failure:
281 wpan_phy_put(phy);
282 genlmsg_cancel(msg, hdr);
283out:
284 return -EMSGSIZE;
285}
286
287/* Requests from userspace */
288static struct net_device *ieee802154_nl_get_dev(struct genl_info *info)
289{
290 struct net_device *dev;
291
292 if (info->attrs[IEEE802154_ATTR_DEV_NAME]) {
293 char name[IFNAMSIZ + 1];
294 nla_strlcpy(name, info->attrs[IEEE802154_ATTR_DEV_NAME],
295 sizeof(name));
296 dev = dev_get_by_name(&init_net, name);
297 } else if (info->attrs[IEEE802154_ATTR_DEV_INDEX])
298 dev = dev_get_by_index(&init_net,
299 nla_get_u32(info->attrs[IEEE802154_ATTR_DEV_INDEX]));
300 else
301 return NULL;
302
303 if (!dev)
304 return NULL;
305
306 if (dev->type != ARPHRD_IEEE802154) {
307 dev_put(dev);
308 return NULL;
309 }
310
311 return dev;
312}
313
314static int ieee802154_associate_req(struct sk_buff *skb,
315 struct genl_info *info)
316{
317 struct net_device *dev;
318 struct ieee802154_addr addr;
319 u8 page;
320 int ret = -EINVAL;
321
322 if (!info->attrs[IEEE802154_ATTR_CHANNEL] ||
323 !info->attrs[IEEE802154_ATTR_COORD_PAN_ID] ||
324 (!info->attrs[IEEE802154_ATTR_COORD_HW_ADDR] &&
325 !info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR]) ||
326 !info->attrs[IEEE802154_ATTR_CAPABILITY])
327 return -EINVAL;
328
329 dev = ieee802154_nl_get_dev(info);
330 if (!dev)
331 return -ENODEV;
332
333 if (info->attrs[IEEE802154_ATTR_COORD_HW_ADDR]) {
334 addr.addr_type = IEEE802154_ADDR_LONG;
335 nla_memcpy(addr.hwaddr,
336 info->attrs[IEEE802154_ATTR_COORD_HW_ADDR],
337 IEEE802154_ADDR_LEN);
338 } else {
339 addr.addr_type = IEEE802154_ADDR_SHORT;
340 addr.short_addr = nla_get_u16(
341 info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR]);
342 }
343 addr.pan_id = nla_get_u16(info->attrs[IEEE802154_ATTR_COORD_PAN_ID]);
344
345 if (info->attrs[IEEE802154_ATTR_PAGE])
346 page = nla_get_u8(info->attrs[IEEE802154_ATTR_PAGE]);
347 else
348 page = 0;
349
350 ret = ieee802154_mlme_ops(dev)->assoc_req(dev, &addr,
351 nla_get_u8(info->attrs[IEEE802154_ATTR_CHANNEL]),
352 page,
353 nla_get_u8(info->attrs[IEEE802154_ATTR_CAPABILITY]));
354
355 dev_put(dev);
356 return ret;
357}
358
359static int ieee802154_associate_resp(struct sk_buff *skb,
360 struct genl_info *info)
361{
362 struct net_device *dev;
363 struct ieee802154_addr addr;
364 int ret = -EINVAL;
365
366 if (!info->attrs[IEEE802154_ATTR_STATUS] ||
367 !info->attrs[IEEE802154_ATTR_DEST_HW_ADDR] ||
368 !info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR])
369 return -EINVAL;
370
371 dev = ieee802154_nl_get_dev(info);
372 if (!dev)
373 return -ENODEV;
374
375 addr.addr_type = IEEE802154_ADDR_LONG;
376 nla_memcpy(addr.hwaddr, info->attrs[IEEE802154_ATTR_DEST_HW_ADDR],
377 IEEE802154_ADDR_LEN);
378 addr.pan_id = ieee802154_mlme_ops(dev)->get_pan_id(dev);
379
380
381 ret = ieee802154_mlme_ops(dev)->assoc_resp(dev, &addr,
382 nla_get_u16(info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]),
383 nla_get_u8(info->attrs[IEEE802154_ATTR_STATUS]));
384
385 dev_put(dev);
386 return ret;
387}
388
389static int ieee802154_disassociate_req(struct sk_buff *skb,
390 struct genl_info *info)
391{
392 struct net_device *dev;
393 struct ieee802154_addr addr;
394 int ret = -EINVAL;
395
396 if ((!info->attrs[IEEE802154_ATTR_DEST_HW_ADDR] &&
397 !info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]) ||
398 !info->attrs[IEEE802154_ATTR_REASON])
399 return -EINVAL;
400
401 dev = ieee802154_nl_get_dev(info);
402 if (!dev)
403 return -ENODEV;
404
405 if (info->attrs[IEEE802154_ATTR_DEST_HW_ADDR]) {
406 addr.addr_type = IEEE802154_ADDR_LONG;
407 nla_memcpy(addr.hwaddr,
408 info->attrs[IEEE802154_ATTR_DEST_HW_ADDR],
409 IEEE802154_ADDR_LEN);
410 } else {
411 addr.addr_type = IEEE802154_ADDR_SHORT;
412 addr.short_addr = nla_get_u16(
413 info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]);
414 }
415 addr.pan_id = ieee802154_mlme_ops(dev)->get_pan_id(dev);
416
417 ret = ieee802154_mlme_ops(dev)->disassoc_req(dev, &addr,
418 nla_get_u8(info->attrs[IEEE802154_ATTR_REASON]));
419
420 dev_put(dev);
421 return ret;
422}
423
424/*
425 * PANid, channel, beacon_order = 15, superframe_order = 15,
426 * PAN_coordinator, battery_life_extension = 0,
427 * coord_realignment = 0, security_enable = 0
428*/
429static int ieee802154_start_req(struct sk_buff *skb, struct genl_info *info)
430{
431 struct net_device *dev;
432 struct ieee802154_addr addr;
433
434 u8 channel, bcn_ord, sf_ord;
435 u8 page;
436 int pan_coord, blx, coord_realign;
437 int ret;
438
439 if (!info->attrs[IEEE802154_ATTR_COORD_PAN_ID] ||
440 !info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR] ||
441 !info->attrs[IEEE802154_ATTR_CHANNEL] ||
442 !info->attrs[IEEE802154_ATTR_BCN_ORD] ||
443 !info->attrs[IEEE802154_ATTR_SF_ORD] ||
444 !info->attrs[IEEE802154_ATTR_PAN_COORD] ||
445 !info->attrs[IEEE802154_ATTR_BAT_EXT] ||
446 !info->attrs[IEEE802154_ATTR_COORD_REALIGN]
447 )
448 return -EINVAL;
449
450 dev = ieee802154_nl_get_dev(info);
451 if (!dev)
452 return -ENODEV;
453
454 addr.addr_type = IEEE802154_ADDR_SHORT;
455 addr.short_addr = nla_get_u16(
456 info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR]);
457 addr.pan_id = nla_get_u16(info->attrs[IEEE802154_ATTR_COORD_PAN_ID]);
458
459 channel = nla_get_u8(info->attrs[IEEE802154_ATTR_CHANNEL]);
460 bcn_ord = nla_get_u8(info->attrs[IEEE802154_ATTR_BCN_ORD]);
461 sf_ord = nla_get_u8(info->attrs[IEEE802154_ATTR_SF_ORD]);
462 pan_coord = nla_get_u8(info->attrs[IEEE802154_ATTR_PAN_COORD]);
463 blx = nla_get_u8(info->attrs[IEEE802154_ATTR_BAT_EXT]);
464 coord_realign = nla_get_u8(info->attrs[IEEE802154_ATTR_COORD_REALIGN]);
465
466 if (info->attrs[IEEE802154_ATTR_PAGE])
467 page = nla_get_u8(info->attrs[IEEE802154_ATTR_PAGE]);
468 else
469 page = 0;
470
471
472 if (addr.short_addr == IEEE802154_ADDR_BROADCAST) {
473 ieee802154_nl_start_confirm(dev, IEEE802154_NO_SHORT_ADDRESS);
474 dev_put(dev);
475 return -EINVAL;
476 }
477
478 ret = ieee802154_mlme_ops(dev)->start_req(dev, &addr, channel, page,
479 bcn_ord, sf_ord, pan_coord, blx, coord_realign);
480
481 dev_put(dev);
482 return ret;
483}
484
485static int ieee802154_scan_req(struct sk_buff *skb, struct genl_info *info)
486{
487 struct net_device *dev;
488 int ret;
489 u8 type;
490 u32 channels;
491 u8 duration;
492 u8 page;
493
494 if (!info->attrs[IEEE802154_ATTR_SCAN_TYPE] ||
495 !info->attrs[IEEE802154_ATTR_CHANNELS] ||
496 !info->attrs[IEEE802154_ATTR_DURATION])
497 return -EINVAL;
498
499 dev = ieee802154_nl_get_dev(info);
500 if (!dev)
501 return -ENODEV;
502
503 type = nla_get_u8(info->attrs[IEEE802154_ATTR_SCAN_TYPE]);
504 channels = nla_get_u32(info->attrs[IEEE802154_ATTR_CHANNELS]);
505 duration = nla_get_u8(info->attrs[IEEE802154_ATTR_DURATION]);
506
507 if (info->attrs[IEEE802154_ATTR_PAGE])
508 page = nla_get_u8(info->attrs[IEEE802154_ATTR_PAGE]);
509 else
510 page = 0;
511
512
513 ret = ieee802154_mlme_ops(dev)->scan_req(dev, type, channels, page,
514 duration);
515
516 dev_put(dev);
517 return ret;
518}
519
520static int ieee802154_list_iface(struct sk_buff *skb,
521 struct genl_info *info)
522{
523 /* Request for interface name, index, type, IEEE address,
524 PAN Id, short address */
525 struct sk_buff *msg;
526 struct net_device *dev = NULL;
527 int rc = -ENOBUFS;
528
529 pr_debug("%s\n", __func__);
530
531 dev = ieee802154_nl_get_dev(info);
532 if (!dev)
533 return -ENODEV;
534
535 msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
536 if (!msg)
537 goto out_dev;
538
539 rc = ieee802154_nl_fill_iface(msg, info->snd_pid, info->snd_seq,
540 0, dev);
541 if (rc < 0)
542 goto out_free;
543
544 dev_put(dev);
545
546 return genlmsg_reply(msg, info);
547out_free:
548 nlmsg_free(msg);
549out_dev:
550 dev_put(dev);
551 return rc;
552
553}
554
555static int ieee802154_dump_iface(struct sk_buff *skb,
556 struct netlink_callback *cb)
557{
558 struct net *net = sock_net(skb->sk);
559 struct net_device *dev;
560 int idx;
561 int s_idx = cb->args[0];
562
563 pr_debug("%s\n", __func__);
564
565 idx = 0;
566 for_each_netdev(net, dev) {
567 if (idx < s_idx || (dev->type != ARPHRD_IEEE802154))
568 goto cont;
569
570 if (ieee802154_nl_fill_iface(skb, NETLINK_CB(cb->skb).pid,
571 cb->nlh->nlmsg_seq, NLM_F_MULTI, dev) < 0)
572 break;
573cont:
574 idx++;
575 }
576 cb->args[0] = idx;
577
578 return skb->len;
579}
580
581static struct genl_ops ieee802154_coordinator_ops[] = {
582 IEEE802154_OP(IEEE802154_ASSOCIATE_REQ, ieee802154_associate_req),
583 IEEE802154_OP(IEEE802154_ASSOCIATE_RESP, ieee802154_associate_resp),
584 IEEE802154_OP(IEEE802154_DISASSOCIATE_REQ, ieee802154_disassociate_req),
585 IEEE802154_OP(IEEE802154_SCAN_REQ, ieee802154_scan_req),
586 IEEE802154_OP(IEEE802154_START_REQ, ieee802154_start_req),
587 IEEE802154_DUMP(IEEE802154_LIST_IFACE, ieee802154_list_iface,
588 ieee802154_dump_iface),
589};
590
591/*
592 * No need to unregister as family unregistration will do it.
593 */
594int nl802154_mac_register(void)
595{
596 int i;
597 int rc;
598
599 rc = genl_register_mc_group(&nl802154_family,
600 &ieee802154_coord_mcgrp);
601 if (rc)
602 return rc;
603
604 rc = genl_register_mc_group(&nl802154_family,
605 &ieee802154_beacon_mcgrp);
606 if (rc)
607 return rc;
608
609 for (i = 0; i < ARRAY_SIZE(ieee802154_coordinator_ops); i++) {
610 rc = genl_register_ops(&nl802154_family,
611 &ieee802154_coordinator_ops[i]);
612 if (rc)
613 return rc;
614 }
615
616 return 0;
617}
diff --git a/net/ieee802154/nl-phy.c b/net/ieee802154/nl-phy.c
new file mode 100644
index 000000000000..199a2d9d12f9
--- /dev/null
+++ b/net/ieee802154/nl-phy.c
@@ -0,0 +1,344 @@
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
25#include <linux/kernel.h>
26#include <net/netlink.h>
27#include <net/genetlink.h>
28#include <net/wpan-phy.h>
29#include <net/af_ieee802154.h>
30#include <net/ieee802154_netdev.h>
31#include <net/rtnetlink.h> /* for rtnl_{un,}lock */
32#include <linux/nl802154.h>
33
34#include "ieee802154.h"
35
36static int ieee802154_nl_fill_phy(struct sk_buff *msg, u32 pid,
37 u32 seq, int flags, struct wpan_phy *phy)
38{
39 void *hdr;
40 int i, pages = 0;
41 uint32_t *buf = kzalloc(32 * sizeof(uint32_t), GFP_KERNEL);
42
43 pr_debug("%s\n", __func__);
44
45 if (!buf)
46 goto out;
47
48 hdr = genlmsg_put(msg, 0, seq, &nl802154_family, flags,
49 IEEE802154_LIST_PHY);
50 if (!hdr)
51 goto out;
52
53 mutex_lock(&phy->pib_lock);
54 NLA_PUT_STRING(msg, IEEE802154_ATTR_PHY_NAME, wpan_phy_name(phy));
55
56 NLA_PUT_U8(msg, IEEE802154_ATTR_PAGE, phy->current_page);
57 NLA_PUT_U8(msg, IEEE802154_ATTR_CHANNEL, phy->current_channel);
58 for (i = 0; i < 32; i++) {
59 if (phy->channels_supported[i])
60 buf[pages++] = phy->channels_supported[i] | (i << 27);
61 }
62 if (pages)
63 NLA_PUT(msg, IEEE802154_ATTR_CHANNEL_PAGE_LIST,
64 pages * sizeof(uint32_t), buf);
65
66 mutex_unlock(&phy->pib_lock);
67 return genlmsg_end(msg, hdr);
68
69nla_put_failure:
70 mutex_unlock(&phy->pib_lock);
71 genlmsg_cancel(msg, hdr);
72out:
73 kfree(buf);
74 return -EMSGSIZE;
75}
76
77static int ieee802154_list_phy(struct sk_buff *skb,
78 struct genl_info *info)
79{
80 /* Request for interface name, index, type, IEEE address,
81 PAN Id, short address */
82 struct sk_buff *msg;
83 struct wpan_phy *phy;
84 const char *name;
85 int rc = -ENOBUFS;
86
87 pr_debug("%s\n", __func__);
88
89 if (!info->attrs[IEEE802154_ATTR_PHY_NAME])
90 return -EINVAL;
91
92 name = nla_data(info->attrs[IEEE802154_ATTR_PHY_NAME]);
93 if (name[nla_len(info->attrs[IEEE802154_ATTR_PHY_NAME]) - 1] != '\0')
94 return -EINVAL; /* phy name should be null-terminated */
95
96
97 phy = wpan_phy_find(name);
98 if (!phy)
99 return -ENODEV;
100
101 msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
102 if (!msg)
103 goto out_dev;
104
105 rc = ieee802154_nl_fill_phy(msg, info->snd_pid, info->snd_seq,
106 0, phy);
107 if (rc < 0)
108 goto out_free;
109
110 wpan_phy_put(phy);
111
112 return genlmsg_reply(msg, info);
113out_free:
114 nlmsg_free(msg);
115out_dev:
116 wpan_phy_put(phy);
117 return rc;
118
119}
120
121struct dump_phy_data {
122 struct sk_buff *skb;
123 struct netlink_callback *cb;
124 int idx, s_idx;
125};
126
127static int ieee802154_dump_phy_iter(struct wpan_phy *phy, void *_data)
128{
129 int rc;
130 struct dump_phy_data *data = _data;
131
132 pr_debug("%s\n", __func__);
133
134 if (data->idx++ < data->s_idx)
135 return 0;
136
137 rc = ieee802154_nl_fill_phy(data->skb,
138 NETLINK_CB(data->cb->skb).pid,
139 data->cb->nlh->nlmsg_seq,
140 NLM_F_MULTI,
141 phy);
142
143 if (rc < 0) {
144 data->idx--;
145 return rc;
146 }
147
148 return 0;
149}
150
151static int ieee802154_dump_phy(struct sk_buff *skb,
152 struct netlink_callback *cb)
153{
154 struct dump_phy_data data = {
155 .cb = cb,
156 .skb = skb,
157 .s_idx = cb->args[0],
158 .idx = 0,
159 };
160
161 pr_debug("%s\n", __func__);
162
163 wpan_phy_for_each(ieee802154_dump_phy_iter, &data);
164
165 cb->args[0] = data.idx;
166
167 return skb->len;
168}
169
170static int ieee802154_add_iface(struct sk_buff *skb,
171 struct genl_info *info)
172{
173 struct sk_buff *msg;
174 struct wpan_phy *phy;
175 const char *name;
176 const char *devname;
177 int rc = -ENOBUFS;
178 struct net_device *dev;
179
180 pr_debug("%s\n", __func__);
181
182 if (!info->attrs[IEEE802154_ATTR_PHY_NAME])
183 return -EINVAL;
184
185 name = nla_data(info->attrs[IEEE802154_ATTR_PHY_NAME]);
186 if (name[nla_len(info->attrs[IEEE802154_ATTR_PHY_NAME]) - 1] != '\0')
187 return -EINVAL; /* phy name should be null-terminated */
188
189 if (info->attrs[IEEE802154_ATTR_DEV_NAME]) {
190 devname = nla_data(info->attrs[IEEE802154_ATTR_DEV_NAME]);
191 if (devname[nla_len(info->attrs[IEEE802154_ATTR_DEV_NAME]) - 1]
192 != '\0')
193 return -EINVAL; /* phy name should be null-terminated */
194 } else {
195 devname = "wpan%d";
196 }
197
198 if (strlen(devname) >= IFNAMSIZ)
199 return -ENAMETOOLONG;
200
201 phy = wpan_phy_find(name);
202 if (!phy)
203 return -ENODEV;
204
205 msg = ieee802154_nl_new_reply(info, 0, IEEE802154_ADD_IFACE);
206 if (!msg)
207 goto out_dev;
208
209 if (!phy->add_iface) {
210 rc = -EINVAL;
211 goto nla_put_failure;
212 }
213
214 dev = phy->add_iface(phy, devname);
215 if (IS_ERR(dev)) {
216 rc = PTR_ERR(dev);
217 goto nla_put_failure;
218 }
219
220 NLA_PUT_STRING(msg, IEEE802154_ATTR_PHY_NAME, wpan_phy_name(phy));
221 NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
222
223 dev_put(dev);
224
225 wpan_phy_put(phy);
226
227 return ieee802154_nl_reply(msg, info);
228
229nla_put_failure:
230 nlmsg_free(msg);
231out_dev:
232 wpan_phy_put(phy);
233 return rc;
234}
235
236static int ieee802154_del_iface(struct sk_buff *skb,
237 struct genl_info *info)
238{
239 struct sk_buff *msg;
240 struct wpan_phy *phy;
241 const char *name;
242 int rc;
243 struct net_device *dev;
244
245 pr_debug("%s\n", __func__);
246
247 if (!info->attrs[IEEE802154_ATTR_DEV_NAME])
248 return -EINVAL;
249
250 name = nla_data(info->attrs[IEEE802154_ATTR_DEV_NAME]);
251 if (name[nla_len(info->attrs[IEEE802154_ATTR_DEV_NAME]) - 1] != '\0')
252 return -EINVAL; /* name should be null-terminated */
253
254 dev = dev_get_by_name(genl_info_net(info), name);
255 if (!dev)
256 return -ENODEV;
257
258 phy = ieee802154_mlme_ops(dev)->get_phy(dev);
259 BUG_ON(!phy);
260
261 rc = -EINVAL;
262 /* phy name is optional, but should be checked if it's given */
263 if (info->attrs[IEEE802154_ATTR_PHY_NAME]) {
264 struct wpan_phy *phy2;
265
266 const char *pname =
267 nla_data(info->attrs[IEEE802154_ATTR_PHY_NAME]);
268 if (pname[nla_len(info->attrs[IEEE802154_ATTR_PHY_NAME]) - 1]
269 != '\0')
270 /* name should be null-terminated */
271 goto out_dev;
272
273 phy2 = wpan_phy_find(pname);
274 if (!phy2)
275 goto out_dev;
276
277 if (phy != phy2) {
278 wpan_phy_put(phy2);
279 goto out_dev;
280 }
281 }
282
283 rc = -ENOBUFS;
284
285 msg = ieee802154_nl_new_reply(info, 0, IEEE802154_DEL_IFACE);
286 if (!msg)
287 goto out_dev;
288
289 if (!phy->del_iface) {
290 rc = -EINVAL;
291 goto nla_put_failure;
292 }
293
294 rtnl_lock();
295 phy->del_iface(phy, dev);
296
297 /* We don't have device anymore */
298 dev_put(dev);
299 dev = NULL;
300
301 rtnl_unlock();
302
303
304 NLA_PUT_STRING(msg, IEEE802154_ATTR_PHY_NAME, wpan_phy_name(phy));
305 NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, name);
306
307 wpan_phy_put(phy);
308
309 return ieee802154_nl_reply(msg, info);
310
311nla_put_failure:
312 nlmsg_free(msg);
313out_dev:
314 wpan_phy_put(phy);
315 if (dev)
316 dev_put(dev);
317
318 return rc;
319}
320
321static struct genl_ops ieee802154_phy_ops[] = {
322 IEEE802154_DUMP(IEEE802154_LIST_PHY, ieee802154_list_phy,
323 ieee802154_dump_phy),
324 IEEE802154_OP(IEEE802154_ADD_IFACE, ieee802154_add_iface),
325 IEEE802154_OP(IEEE802154_DEL_IFACE, ieee802154_del_iface),
326};
327
328/*
329 * No need to unregister as family unregistration will do it.
330 */
331int nl802154_phy_register(void)
332{
333 int i;
334 int rc;
335
336 for (i = 0; i < ARRAY_SIZE(ieee802154_phy_ops); i++) {
337 rc = genl_register_ops(&nl802154_family,
338 &ieee802154_phy_ops[i]);
339 if (rc)
340 return rc;
341 }
342
343 return 0;
344}
diff --git a/net/ieee802154/nl_policy.c b/net/ieee802154/nl_policy.c
index 2363ebee02e7..6adda4d46f95 100644
--- a/net/ieee802154/nl_policy.c
+++ b/net/ieee802154/nl_policy.c
@@ -27,6 +27,7 @@
27const struct nla_policy ieee802154_policy[IEEE802154_ATTR_MAX + 1] = { 27const struct nla_policy ieee802154_policy[IEEE802154_ATTR_MAX + 1] = {
28 [IEEE802154_ATTR_DEV_NAME] = { .type = NLA_STRING, }, 28 [IEEE802154_ATTR_DEV_NAME] = { .type = NLA_STRING, },
29 [IEEE802154_ATTR_DEV_INDEX] = { .type = NLA_U32, }, 29 [IEEE802154_ATTR_DEV_INDEX] = { .type = NLA_U32, },
30 [IEEE802154_ATTR_PHY_NAME] = { .type = NLA_STRING, },
30 31
31 [IEEE802154_ATTR_STATUS] = { .type = NLA_U8, }, 32 [IEEE802154_ATTR_STATUS] = { .type = NLA_U8, },
32 [IEEE802154_ATTR_SHORT_ADDR] = { .type = NLA_U16, }, 33 [IEEE802154_ATTR_SHORT_ADDR] = { .type = NLA_U16, },
@@ -50,5 +51,6 @@ const struct nla_policy ieee802154_policy[IEEE802154_ATTR_MAX + 1] = {
50 [IEEE802154_ATTR_CHANNELS] = { .type = NLA_U32, }, 51 [IEEE802154_ATTR_CHANNELS] = { .type = NLA_U32, },
51 [IEEE802154_ATTR_DURATION] = { .type = NLA_U8, }, 52 [IEEE802154_ATTR_DURATION] = { .type = NLA_U8, },
52 [IEEE802154_ATTR_ED_LIST] = { .len = 27 }, 53 [IEEE802154_ATTR_ED_LIST] = { .len = 27 },
54 [IEEE802154_ATTR_CHANNEL_PAGE_LIST] = { .len = 32 * 4, },
53}; 55};
54 56
diff --git a/net/ieee802154/wpan-class.c b/net/ieee802154/wpan-class.c
index f306604da67a..38bac70cca10 100644
--- a/net/ieee802154/wpan-class.c
+++ b/net/ieee802154/wpan-class.c
@@ -22,6 +22,8 @@
22 22
23#include <net/wpan-phy.h> 23#include <net/wpan-phy.h>
24 24
25#include "ieee802154.h"
26
25#define MASTER_SHOW_COMPLEX(name, format_string, args...) \ 27#define MASTER_SHOW_COMPLEX(name, format_string, args...) \
26static ssize_t name ## _show(struct device *dev, \ 28static ssize_t name ## _show(struct device *dev, \
27 struct device_attribute *attr, char *buf) \ 29 struct device_attribute *attr, char *buf) \
@@ -30,7 +32,7 @@ static ssize_t name ## _show(struct device *dev, \
30 int ret; \ 32 int ret; \
31 \ 33 \
32 mutex_lock(&phy->pib_lock); \ 34 mutex_lock(&phy->pib_lock); \
33 ret = sprintf(buf, format_string "\n", args); \ 35 ret = snprintf(buf, PAGE_SIZE, format_string "\n", args); \
34 mutex_unlock(&phy->pib_lock); \ 36 mutex_unlock(&phy->pib_lock); \
35 return ret; \ 37 return ret; \
36} 38}
@@ -40,12 +42,30 @@ static ssize_t name ## _show(struct device *dev, \
40 42
41MASTER_SHOW(current_channel, "%d"); 43MASTER_SHOW(current_channel, "%d");
42MASTER_SHOW(current_page, "%d"); 44MASTER_SHOW(current_page, "%d");
43MASTER_SHOW(channels_supported, "%#x");
44MASTER_SHOW_COMPLEX(transmit_power, "%d +- %d dB", 45MASTER_SHOW_COMPLEX(transmit_power, "%d +- %d dB",
45 ((signed char) (phy->transmit_power << 2)) >> 2, 46 ((signed char) (phy->transmit_power << 2)) >> 2,
46 (phy->transmit_power >> 6) ? (phy->transmit_power >> 6) * 3 : 1 ); 47 (phy->transmit_power >> 6) ? (phy->transmit_power >> 6) * 3 : 1 );
47MASTER_SHOW(cca_mode, "%d"); 48MASTER_SHOW(cca_mode, "%d");
48 49
50static ssize_t channels_supported_show(struct device *dev,
51 struct device_attribute *attr, char *buf)
52{
53 struct wpan_phy *phy = container_of(dev, struct wpan_phy, dev);
54 int ret;
55 int i, len = 0;
56
57 mutex_lock(&phy->pib_lock);
58 for (i = 0; i < 32; i++) {
59 ret = snprintf(buf + len, PAGE_SIZE - len,
60 "%#09x\n", phy->channels_supported[i]);
61 if (ret < 0)
62 break;
63 len += ret;
64 }
65 mutex_unlock(&phy->pib_lock);
66 return len;
67}
68
49static struct device_attribute pmib_attrs[] = { 69static struct device_attribute pmib_attrs[] = {
50 __ATTR_RO(current_channel), 70 __ATTR_RO(current_channel),
51 __ATTR_RO(current_page), 71 __ATTR_RO(current_page),
@@ -91,6 +111,31 @@ struct wpan_phy *wpan_phy_find(const char *str)
91} 111}
92EXPORT_SYMBOL(wpan_phy_find); 112EXPORT_SYMBOL(wpan_phy_find);
93 113
114struct wpan_phy_iter_data {
115 int (*fn)(struct wpan_phy *phy, void *data);
116 void *data;
117};
118
119static int wpan_phy_iter(struct device *dev, void *_data)
120{
121 struct wpan_phy_iter_data *wpid = _data;
122 struct wpan_phy *phy = container_of(dev, struct wpan_phy, dev);
123 return wpid->fn(phy, wpid->data);
124}
125
126int wpan_phy_for_each(int (*fn)(struct wpan_phy *phy, void *data),
127 void *data)
128{
129 struct wpan_phy_iter_data wpid = {
130 .fn = fn,
131 .data = data,
132 };
133
134 return class_for_each_device(&wpan_phy_class, NULL,
135 &wpid, wpan_phy_iter);
136}
137EXPORT_SYMBOL(wpan_phy_for_each);
138
94static int wpan_phy_idx_valid(int idx) 139static int wpan_phy_idx_valid(int idx)
95{ 140{
96 return idx >= 0; 141 return idx >= 0;
@@ -118,14 +163,15 @@ struct wpan_phy *wpan_phy_alloc(size_t priv_size)
118 163
119 phy->dev.class = &wpan_phy_class; 164 phy->dev.class = &wpan_phy_class;
120 165
166 phy->current_channel = -1; /* not initialised */
167 phy->current_page = 0; /* for compatibility */
168
121 return phy; 169 return phy;
122} 170}
123EXPORT_SYMBOL(wpan_phy_alloc); 171EXPORT_SYMBOL(wpan_phy_alloc);
124 172
125int wpan_phy_register(struct device *parent, struct wpan_phy *phy) 173int wpan_phy_register(struct wpan_phy *phy)
126{ 174{
127 phy->dev.parent = parent;
128
129 return device_add(&phy->dev); 175 return device_add(&phy->dev);
130} 176}
131EXPORT_SYMBOL(wpan_phy_register); 177EXPORT_SYMBOL(wpan_phy_register);
@@ -144,16 +190,31 @@ EXPORT_SYMBOL(wpan_phy_free);
144 190
145static int __init wpan_phy_class_init(void) 191static int __init wpan_phy_class_init(void)
146{ 192{
147 return class_register(&wpan_phy_class); 193 int rc;
194 rc = class_register(&wpan_phy_class);
195 if (rc)
196 goto err;
197
198 rc = ieee802154_nl_init();
199 if (rc)
200 goto err_nl;
201
202 return 0;
203err_nl:
204 class_unregister(&wpan_phy_class);
205err:
206 return rc;
148} 207}
149subsys_initcall(wpan_phy_class_init); 208module_init(wpan_phy_class_init);
150 209
151static void __exit wpan_phy_class_exit(void) 210static void __exit wpan_phy_class_exit(void)
152{ 211{
212 ieee802154_nl_exit();
153 class_unregister(&wpan_phy_class); 213 class_unregister(&wpan_phy_class);
154} 214}
155module_exit(wpan_phy_class_exit); 215module_exit(wpan_phy_class_exit);
156 216
157MODULE_DESCRIPTION("IEEE 802.15.4 device class");
158MODULE_LICENSE("GPL v2"); 217MODULE_LICENSE("GPL v2");
218MODULE_DESCRIPTION("IEEE 802.15.4 configuration interface");
219MODULE_AUTHOR("Dmitry Eremin-Solenikov");
159 220
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-12 23:17:23 -0500