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1da177e4 LT |
1 | /* |
2 | BlueZ - Bluetooth protocol stack for Linux | |
3 | Copyright (C) 2000-2001 Qualcomm Incorporated | |
4 | ||
5 | Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com> | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License version 2 as | |
9 | published by the Free Software Foundation; | |
10 | ||
11 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | |
12 | OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
13 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. | |
14 | IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY | |
15 | CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES | |
16 | WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
17 | ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
18 | OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
19 | ||
20 | ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, | |
21 | COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS | |
22 | SOFTWARE IS DISCLAIMED. | |
23 | */ | |
24 | ||
25 | /* Bluetooth HCI event handling. */ | |
26 | ||
1da177e4 LT |
27 | #include <linux/module.h> |
28 | ||
29 | #include <linux/types.h> | |
30 | #include <linux/errno.h> | |
31 | #include <linux/kernel.h> | |
1da177e4 LT |
32 | #include <linux/sched.h> |
33 | #include <linux/slab.h> | |
34 | #include <linux/poll.h> | |
35 | #include <linux/fcntl.h> | |
36 | #include <linux/init.h> | |
37 | #include <linux/skbuff.h> | |
38 | #include <linux/interrupt.h> | |
39 | #include <linux/notifier.h> | |
40 | #include <net/sock.h> | |
41 | ||
42 | #include <asm/system.h> | |
43 | #include <asm/uaccess.h> | |
44 | #include <asm/unaligned.h> | |
45 | ||
46 | #include <net/bluetooth/bluetooth.h> | |
47 | #include <net/bluetooth/hci_core.h> | |
48 | ||
49 | #ifndef CONFIG_BT_HCI_CORE_DEBUG | |
50 | #undef BT_DBG | |
51 | #define BT_DBG(D...) | |
52 | #endif | |
53 | ||
54 | /* Handle HCI Event packets */ | |
55 | ||
56 | /* Command Complete OGF LINK_CTL */ | |
57 | static void hci_cc_link_ctl(struct hci_dev *hdev, __u16 ocf, struct sk_buff *skb) | |
58 | { | |
59 | __u8 status; | |
6bd57416 | 60 | struct hci_conn *pend; |
1da177e4 LT |
61 | |
62 | BT_DBG("%s ocf 0x%x", hdev->name, ocf); | |
63 | ||
64 | switch (ocf) { | |
65 | case OCF_INQUIRY_CANCEL: | |
defc761b | 66 | case OCF_EXIT_PERIODIC_INQ: |
1da177e4 LT |
67 | status = *((__u8 *) skb->data); |
68 | ||
69 | if (status) { | |
70 | BT_DBG("%s Inquiry cancel error: status 0x%x", hdev->name, status); | |
71 | } else { | |
72 | clear_bit(HCI_INQUIRY, &hdev->flags); | |
73 | hci_req_complete(hdev, status); | |
74 | } | |
6bd57416 MH |
75 | |
76 | hci_dev_lock(hdev); | |
77 | ||
78 | pend = hci_conn_hash_lookup_state(hdev, ACL_LINK, BT_CONNECT2); | |
79 | if (pend) | |
80 | hci_acl_connect(pend); | |
81 | ||
82 | hci_dev_unlock(hdev); | |
83 | ||
1da177e4 LT |
84 | break; |
85 | ||
86 | default: | |
87 | BT_DBG("%s Command complete: ogf LINK_CTL ocf %x", hdev->name, ocf); | |
88 | break; | |
89 | } | |
90 | } | |
91 | ||
92 | /* Command Complete OGF LINK_POLICY */ | |
93 | static void hci_cc_link_policy(struct hci_dev *hdev, __u16 ocf, struct sk_buff *skb) | |
94 | { | |
95 | struct hci_conn *conn; | |
96 | struct hci_rp_role_discovery *rd; | |
04837f64 MH |
97 | struct hci_rp_write_link_policy *lp; |
98 | void *sent; | |
1da177e4 LT |
99 | |
100 | BT_DBG("%s ocf 0x%x", hdev->name, ocf); | |
101 | ||
102 | switch (ocf) { | |
103 | case OCF_ROLE_DISCOVERY: | |
104 | rd = (void *) skb->data; | |
105 | ||
106 | if (rd->status) | |
107 | break; | |
108 | ||
109 | hci_dev_lock(hdev); | |
110 | ||
111 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rd->handle)); | |
112 | if (conn) { | |
113 | if (rd->role) | |
114 | conn->link_mode &= ~HCI_LM_MASTER; | |
115 | else | |
116 | conn->link_mode |= HCI_LM_MASTER; | |
117 | } | |
118 | ||
119 | hci_dev_unlock(hdev); | |
120 | break; | |
121 | ||
04837f64 MH |
122 | case OCF_WRITE_LINK_POLICY: |
123 | sent = hci_sent_cmd_data(hdev, OGF_LINK_POLICY, OCF_WRITE_LINK_POLICY); | |
124 | if (!sent) | |
125 | break; | |
126 | ||
127 | lp = (struct hci_rp_write_link_policy *) skb->data; | |
128 | ||
129 | if (lp->status) | |
130 | break; | |
131 | ||
132 | hci_dev_lock(hdev); | |
133 | ||
134 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(lp->handle)); | |
135 | if (conn) { | |
136 | __le16 policy = get_unaligned((__le16 *) (sent + 2)); | |
137 | conn->link_policy = __le16_to_cpu(policy); | |
138 | } | |
139 | ||
140 | hci_dev_unlock(hdev); | |
141 | break; | |
142 | ||
1da177e4 LT |
143 | default: |
144 | BT_DBG("%s: Command complete: ogf LINK_POLICY ocf %x", | |
145 | hdev->name, ocf); | |
146 | break; | |
147 | } | |
148 | } | |
149 | ||
150 | /* Command Complete OGF HOST_CTL */ | |
151 | static void hci_cc_host_ctl(struct hci_dev *hdev, __u16 ocf, struct sk_buff *skb) | |
152 | { | |
153 | __u8 status, param; | |
154 | __u16 setting; | |
155 | struct hci_rp_read_voice_setting *vs; | |
156 | void *sent; | |
157 | ||
158 | BT_DBG("%s ocf 0x%x", hdev->name, ocf); | |
159 | ||
160 | switch (ocf) { | |
161 | case OCF_RESET: | |
162 | status = *((__u8 *) skb->data); | |
163 | hci_req_complete(hdev, status); | |
164 | break; | |
165 | ||
166 | case OCF_SET_EVENT_FLT: | |
167 | status = *((__u8 *) skb->data); | |
168 | if (status) { | |
169 | BT_DBG("%s SET_EVENT_FLT failed %d", hdev->name, status); | |
170 | } else { | |
171 | BT_DBG("%s SET_EVENT_FLT succeseful", hdev->name); | |
172 | } | |
173 | break; | |
174 | ||
175 | case OCF_WRITE_AUTH_ENABLE: | |
176 | sent = hci_sent_cmd_data(hdev, OGF_HOST_CTL, OCF_WRITE_AUTH_ENABLE); | |
177 | if (!sent) | |
178 | break; | |
179 | ||
180 | status = *((__u8 *) skb->data); | |
181 | param = *((__u8 *) sent); | |
182 | ||
183 | if (!status) { | |
184 | if (param == AUTH_ENABLED) | |
185 | set_bit(HCI_AUTH, &hdev->flags); | |
186 | else | |
187 | clear_bit(HCI_AUTH, &hdev->flags); | |
188 | } | |
189 | hci_req_complete(hdev, status); | |
190 | break; | |
191 | ||
192 | case OCF_WRITE_ENCRYPT_MODE: | |
193 | sent = hci_sent_cmd_data(hdev, OGF_HOST_CTL, OCF_WRITE_ENCRYPT_MODE); | |
194 | if (!sent) | |
195 | break; | |
196 | ||
197 | status = *((__u8 *) skb->data); | |
198 | param = *((__u8 *) sent); | |
199 | ||
200 | if (!status) { | |
201 | if (param) | |
202 | set_bit(HCI_ENCRYPT, &hdev->flags); | |
203 | else | |
204 | clear_bit(HCI_ENCRYPT, &hdev->flags); | |
205 | } | |
206 | hci_req_complete(hdev, status); | |
207 | break; | |
208 | ||
209 | case OCF_WRITE_CA_TIMEOUT: | |
210 | status = *((__u8 *) skb->data); | |
211 | if (status) { | |
212 | BT_DBG("%s OCF_WRITE_CA_TIMEOUT failed %d", hdev->name, status); | |
213 | } else { | |
214 | BT_DBG("%s OCF_WRITE_CA_TIMEOUT succeseful", hdev->name); | |
215 | } | |
216 | break; | |
217 | ||
218 | case OCF_WRITE_PG_TIMEOUT: | |
219 | status = *((__u8 *) skb->data); | |
220 | if (status) { | |
221 | BT_DBG("%s OCF_WRITE_PG_TIMEOUT failed %d", hdev->name, status); | |
222 | } else { | |
223 | BT_DBG("%s: OCF_WRITE_PG_TIMEOUT succeseful", hdev->name); | |
224 | } | |
225 | break; | |
226 | ||
227 | case OCF_WRITE_SCAN_ENABLE: | |
228 | sent = hci_sent_cmd_data(hdev, OGF_HOST_CTL, OCF_WRITE_SCAN_ENABLE); | |
229 | if (!sent) | |
230 | break; | |
231 | ||
232 | status = *((__u8 *) skb->data); | |
233 | param = *((__u8 *) sent); | |
234 | ||
235 | BT_DBG("param 0x%x", param); | |
236 | ||
237 | if (!status) { | |
238 | clear_bit(HCI_PSCAN, &hdev->flags); | |
239 | clear_bit(HCI_ISCAN, &hdev->flags); | |
240 | if (param & SCAN_INQUIRY) | |
241 | set_bit(HCI_ISCAN, &hdev->flags); | |
242 | ||
243 | if (param & SCAN_PAGE) | |
244 | set_bit(HCI_PSCAN, &hdev->flags); | |
245 | } | |
246 | hci_req_complete(hdev, status); | |
247 | break; | |
248 | ||
249 | case OCF_READ_VOICE_SETTING: | |
250 | vs = (struct hci_rp_read_voice_setting *) skb->data; | |
251 | ||
252 | if (vs->status) { | |
253 | BT_DBG("%s READ_VOICE_SETTING failed %d", hdev->name, vs->status); | |
254 | break; | |
255 | } | |
256 | ||
257 | setting = __le16_to_cpu(vs->voice_setting); | |
258 | ||
259 | if (hdev->voice_setting != setting ) { | |
260 | hdev->voice_setting = setting; | |
261 | ||
262 | BT_DBG("%s: voice setting 0x%04x", hdev->name, setting); | |
263 | ||
264 | if (hdev->notify) { | |
265 | tasklet_disable(&hdev->tx_task); | |
266 | hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING); | |
267 | tasklet_enable(&hdev->tx_task); | |
268 | } | |
269 | } | |
270 | break; | |
271 | ||
272 | case OCF_WRITE_VOICE_SETTING: | |
273 | sent = hci_sent_cmd_data(hdev, OGF_HOST_CTL, OCF_WRITE_VOICE_SETTING); | |
274 | if (!sent) | |
275 | break; | |
276 | ||
277 | status = *((__u8 *) skb->data); | |
1ebb9252 | 278 | setting = __le16_to_cpu(get_unaligned((__le16 *) sent)); |
1da177e4 LT |
279 | |
280 | if (!status && hdev->voice_setting != setting) { | |
281 | hdev->voice_setting = setting; | |
282 | ||
283 | BT_DBG("%s: voice setting 0x%04x", hdev->name, setting); | |
284 | ||
285 | if (hdev->notify) { | |
286 | tasklet_disable(&hdev->tx_task); | |
287 | hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING); | |
288 | tasklet_enable(&hdev->tx_task); | |
289 | } | |
290 | } | |
291 | hci_req_complete(hdev, status); | |
292 | break; | |
293 | ||
294 | case OCF_HOST_BUFFER_SIZE: | |
295 | status = *((__u8 *) skb->data); | |
296 | if (status) { | |
297 | BT_DBG("%s OCF_BUFFER_SIZE failed %d", hdev->name, status); | |
298 | hci_req_complete(hdev, status); | |
299 | } | |
300 | break; | |
301 | ||
302 | default: | |
303 | BT_DBG("%s Command complete: ogf HOST_CTL ocf %x", hdev->name, ocf); | |
304 | break; | |
305 | } | |
306 | } | |
307 | ||
308 | /* Command Complete OGF INFO_PARAM */ | |
309 | static void hci_cc_info_param(struct hci_dev *hdev, __u16 ocf, struct sk_buff *skb) | |
310 | { | |
1143e5a6 | 311 | struct hci_rp_read_loc_version *lv; |
04837f64 | 312 | struct hci_rp_read_local_features *lf; |
1da177e4 LT |
313 | struct hci_rp_read_buffer_size *bs; |
314 | struct hci_rp_read_bd_addr *ba; | |
315 | ||
316 | BT_DBG("%s ocf 0x%x", hdev->name, ocf); | |
317 | ||
318 | switch (ocf) { | |
1143e5a6 MH |
319 | case OCF_READ_LOCAL_VERSION: |
320 | lv = (struct hci_rp_read_loc_version *) skb->data; | |
321 | ||
322 | if (lv->status) { | |
323 | BT_DBG("%s READ_LOCAL_VERSION failed %d", hdev->name, lf->status); | |
324 | break; | |
325 | } | |
326 | ||
327 | hdev->hci_ver = lv->hci_ver; | |
328 | hdev->hci_rev = btohs(lv->hci_rev); | |
329 | hdev->manufacturer = btohs(lv->manufacturer); | |
330 | ||
331 | BT_DBG("%s: manufacturer %d hci_ver %d hci_rev %d", hdev->name, | |
332 | hdev->manufacturer, hdev->hci_ver, hdev->hci_rev); | |
333 | ||
334 | break; | |
335 | ||
1da177e4 | 336 | case OCF_READ_LOCAL_FEATURES: |
04837f64 | 337 | lf = (struct hci_rp_read_local_features *) skb->data; |
1da177e4 LT |
338 | |
339 | if (lf->status) { | |
340 | BT_DBG("%s READ_LOCAL_FEATURES failed %d", hdev->name, lf->status); | |
341 | break; | |
342 | } | |
343 | ||
344 | memcpy(hdev->features, lf->features, sizeof(hdev->features)); | |
345 | ||
346 | /* Adjust default settings according to features | |
347 | * supported by device. */ | |
348 | if (hdev->features[0] & LMP_3SLOT) | |
349 | hdev->pkt_type |= (HCI_DM3 | HCI_DH3); | |
350 | ||
351 | if (hdev->features[0] & LMP_5SLOT) | |
352 | hdev->pkt_type |= (HCI_DM5 | HCI_DH5); | |
353 | ||
354 | if (hdev->features[1] & LMP_HV2) | |
355 | hdev->pkt_type |= (HCI_HV2); | |
356 | ||
357 | if (hdev->features[1] & LMP_HV3) | |
358 | hdev->pkt_type |= (HCI_HV3); | |
359 | ||
1143e5a6 MH |
360 | BT_DBG("%s: features 0x%x 0x%x 0x%x", hdev->name, |
361 | lf->features[0], lf->features[1], lf->features[2]); | |
1da177e4 LT |
362 | |
363 | break; | |
364 | ||
365 | case OCF_READ_BUFFER_SIZE: | |
366 | bs = (struct hci_rp_read_buffer_size *) skb->data; | |
367 | ||
368 | if (bs->status) { | |
369 | BT_DBG("%s READ_BUFFER_SIZE failed %d", hdev->name, bs->status); | |
370 | hci_req_complete(hdev, bs->status); | |
371 | break; | |
372 | } | |
373 | ||
374 | hdev->acl_mtu = __le16_to_cpu(bs->acl_mtu); | |
da1f5198 MH |
375 | hdev->sco_mtu = bs->sco_mtu; |
376 | hdev->acl_pkts = __le16_to_cpu(bs->acl_max_pkt); | |
377 | hdev->sco_pkts = __le16_to_cpu(bs->sco_max_pkt); | |
378 | ||
379 | if (test_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks)) { | |
380 | hdev->sco_mtu = 64; | |
381 | hdev->sco_pkts = 8; | |
382 | } | |
383 | ||
384 | hdev->acl_cnt = hdev->acl_pkts; | |
385 | hdev->sco_cnt = hdev->sco_pkts; | |
1da177e4 LT |
386 | |
387 | BT_DBG("%s mtu: acl %d, sco %d max_pkt: acl %d, sco %d", hdev->name, | |
388 | hdev->acl_mtu, hdev->sco_mtu, hdev->acl_pkts, hdev->sco_pkts); | |
389 | break; | |
390 | ||
391 | case OCF_READ_BD_ADDR: | |
392 | ba = (struct hci_rp_read_bd_addr *) skb->data; | |
393 | ||
394 | if (!ba->status) { | |
395 | bacpy(&hdev->bdaddr, &ba->bdaddr); | |
396 | } else { | |
397 | BT_DBG("%s: READ_BD_ADDR failed %d", hdev->name, ba->status); | |
398 | } | |
399 | ||
400 | hci_req_complete(hdev, ba->status); | |
401 | break; | |
402 | ||
403 | default: | |
404 | BT_DBG("%s Command complete: ogf INFO_PARAM ocf %x", hdev->name, ocf); | |
405 | break; | |
406 | } | |
407 | } | |
408 | ||
409 | /* Command Status OGF LINK_CTL */ | |
410 | static inline void hci_cs_create_conn(struct hci_dev *hdev, __u8 status) | |
411 | { | |
412 | struct hci_conn *conn; | |
413 | struct hci_cp_create_conn *cp = hci_sent_cmd_data(hdev, OGF_LINK_CTL, OCF_CREATE_CONN); | |
414 | ||
415 | if (!cp) | |
416 | return; | |
417 | ||
418 | hci_dev_lock(hdev); | |
419 | ||
420 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); | |
421 | ||
422 | BT_DBG("%s status 0x%x bdaddr %s conn %p", hdev->name, | |
423 | status, batostr(&cp->bdaddr), conn); | |
424 | ||
425 | if (status) { | |
426 | if (conn && conn->state == BT_CONNECT) { | |
4c67bc74 MH |
427 | if (status != 0x0c || conn->attempt > 2) { |
428 | conn->state = BT_CLOSED; | |
429 | hci_proto_connect_cfm(conn, status); | |
430 | hci_conn_del(conn); | |
431 | } else | |
432 | conn->state = BT_CONNECT2; | |
1da177e4 LT |
433 | } |
434 | } else { | |
435 | if (!conn) { | |
436 | conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr); | |
437 | if (conn) { | |
438 | conn->out = 1; | |
439 | conn->link_mode |= HCI_LM_MASTER; | |
440 | } else | |
441 | BT_ERR("No memmory for new connection"); | |
442 | } | |
443 | } | |
444 | ||
445 | hci_dev_unlock(hdev); | |
446 | } | |
447 | ||
448 | static void hci_cs_link_ctl(struct hci_dev *hdev, __u16 ocf, __u8 status) | |
449 | { | |
450 | BT_DBG("%s ocf 0x%x", hdev->name, ocf); | |
451 | ||
452 | switch (ocf) { | |
453 | case OCF_CREATE_CONN: | |
454 | hci_cs_create_conn(hdev, status); | |
455 | break; | |
456 | ||
457 | case OCF_ADD_SCO: | |
458 | if (status) { | |
459 | struct hci_conn *acl, *sco; | |
460 | struct hci_cp_add_sco *cp = hci_sent_cmd_data(hdev, OGF_LINK_CTL, OCF_ADD_SCO); | |
461 | __u16 handle; | |
462 | ||
463 | if (!cp) | |
464 | break; | |
465 | ||
466 | handle = __le16_to_cpu(cp->handle); | |
467 | ||
468 | BT_DBG("%s Add SCO error: handle %d status 0x%x", hdev->name, handle, status); | |
469 | ||
470 | hci_dev_lock(hdev); | |
471 | ||
472 | acl = hci_conn_hash_lookup_handle(hdev, handle); | |
473 | if (acl && (sco = acl->link)) { | |
474 | sco->state = BT_CLOSED; | |
475 | ||
476 | hci_proto_connect_cfm(sco, status); | |
477 | hci_conn_del(sco); | |
478 | } | |
479 | ||
480 | hci_dev_unlock(hdev); | |
481 | } | |
482 | break; | |
483 | ||
484 | case OCF_INQUIRY: | |
485 | if (status) { | |
486 | BT_DBG("%s Inquiry error: status 0x%x", hdev->name, status); | |
487 | hci_req_complete(hdev, status); | |
488 | } else { | |
489 | set_bit(HCI_INQUIRY, &hdev->flags); | |
490 | } | |
491 | break; | |
492 | ||
493 | default: | |
494 | BT_DBG("%s Command status: ogf LINK_CTL ocf %x status %d", | |
495 | hdev->name, ocf, status); | |
496 | break; | |
497 | } | |
498 | } | |
499 | ||
500 | /* Command Status OGF LINK_POLICY */ | |
501 | static void hci_cs_link_policy(struct hci_dev *hdev, __u16 ocf, __u8 status) | |
502 | { | |
503 | BT_DBG("%s ocf 0x%x", hdev->name, ocf); | |
504 | ||
505 | switch (ocf) { | |
04837f64 MH |
506 | case OCF_SNIFF_MODE: |
507 | if (status) { | |
508 | struct hci_conn *conn; | |
509 | struct hci_cp_sniff_mode *cp = hci_sent_cmd_data(hdev, OGF_LINK_POLICY, OCF_SNIFF_MODE); | |
510 | ||
511 | if (!cp) | |
512 | break; | |
513 | ||
514 | hci_dev_lock(hdev); | |
515 | ||
516 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
517 | if (conn) { | |
518 | clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend); | |
519 | } | |
520 | ||
521 | hci_dev_unlock(hdev); | |
522 | } | |
523 | break; | |
524 | ||
525 | case OCF_EXIT_SNIFF_MODE: | |
526 | if (status) { | |
527 | struct hci_conn *conn; | |
528 | struct hci_cp_exit_sniff_mode *cp = hci_sent_cmd_data(hdev, OGF_LINK_POLICY, OCF_EXIT_SNIFF_MODE); | |
529 | ||
530 | if (!cp) | |
531 | break; | |
532 | ||
533 | hci_dev_lock(hdev); | |
534 | ||
535 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
536 | if (conn) { | |
537 | clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend); | |
538 | } | |
539 | ||
540 | hci_dev_unlock(hdev); | |
541 | } | |
542 | break; | |
543 | ||
1da177e4 | 544 | default: |
04837f64 | 545 | BT_DBG("%s Command status: ogf LINK_POLICY ocf %x", hdev->name, ocf); |
1da177e4 LT |
546 | break; |
547 | } | |
548 | } | |
549 | ||
550 | /* Command Status OGF HOST_CTL */ | |
551 | static void hci_cs_host_ctl(struct hci_dev *hdev, __u16 ocf, __u8 status) | |
552 | { | |
553 | BT_DBG("%s ocf 0x%x", hdev->name, ocf); | |
554 | ||
555 | switch (ocf) { | |
556 | default: | |
557 | BT_DBG("%s Command status: ogf HOST_CTL ocf %x", hdev->name, ocf); | |
558 | break; | |
559 | } | |
560 | } | |
561 | ||
562 | /* Command Status OGF INFO_PARAM */ | |
563 | static void hci_cs_info_param(struct hci_dev *hdev, __u16 ocf, __u8 status) | |
564 | { | |
565 | BT_DBG("%s: hci_cs_info_param: ocf 0x%x", hdev->name, ocf); | |
566 | ||
567 | switch (ocf) { | |
568 | default: | |
569 | BT_DBG("%s Command status: ogf INFO_PARAM ocf %x", hdev->name, ocf); | |
570 | break; | |
571 | } | |
572 | } | |
573 | ||
574 | /* Inquiry Complete */ | |
575 | static inline void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
576 | { | |
577 | __u8 status = *((__u8 *) skb->data); | |
6bd57416 | 578 | struct hci_conn *pend; |
1da177e4 LT |
579 | |
580 | BT_DBG("%s status %d", hdev->name, status); | |
581 | ||
582 | clear_bit(HCI_INQUIRY, &hdev->flags); | |
583 | hci_req_complete(hdev, status); | |
6bd57416 MH |
584 | |
585 | hci_dev_lock(hdev); | |
586 | ||
587 | pend = hci_conn_hash_lookup_state(hdev, ACL_LINK, BT_CONNECT2); | |
588 | if (pend) | |
589 | hci_acl_connect(pend); | |
590 | ||
591 | hci_dev_unlock(hdev); | |
1da177e4 LT |
592 | } |
593 | ||
594 | /* Inquiry Result */ | |
595 | static inline void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
596 | { | |
45bb4bf0 | 597 | struct inquiry_data data; |
1da177e4 LT |
598 | struct inquiry_info *info = (struct inquiry_info *) (skb->data + 1); |
599 | int num_rsp = *((__u8 *) skb->data); | |
600 | ||
601 | BT_DBG("%s num_rsp %d", hdev->name, num_rsp); | |
602 | ||
45bb4bf0 MH |
603 | if (!num_rsp) |
604 | return; | |
605 | ||
1da177e4 | 606 | hci_dev_lock(hdev); |
45bb4bf0 | 607 | |
1da177e4 | 608 | for (; num_rsp; num_rsp--) { |
1da177e4 LT |
609 | bacpy(&data.bdaddr, &info->bdaddr); |
610 | data.pscan_rep_mode = info->pscan_rep_mode; | |
611 | data.pscan_period_mode = info->pscan_period_mode; | |
612 | data.pscan_mode = info->pscan_mode; | |
613 | memcpy(data.dev_class, info->dev_class, 3); | |
614 | data.clock_offset = info->clock_offset; | |
615 | data.rssi = 0x00; | |
616 | info++; | |
617 | hci_inquiry_cache_update(hdev, &data); | |
618 | } | |
45bb4bf0 | 619 | |
1da177e4 LT |
620 | hci_dev_unlock(hdev); |
621 | } | |
622 | ||
623 | /* Inquiry Result With RSSI */ | |
624 | static inline void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
625 | { | |
45bb4bf0 | 626 | struct inquiry_data data; |
1da177e4 LT |
627 | int num_rsp = *((__u8 *) skb->data); |
628 | ||
629 | BT_DBG("%s num_rsp %d", hdev->name, num_rsp); | |
630 | ||
45bb4bf0 MH |
631 | if (!num_rsp) |
632 | return; | |
633 | ||
1da177e4 | 634 | hci_dev_lock(hdev); |
45bb4bf0 MH |
635 | |
636 | if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) { | |
637 | struct inquiry_info_with_rssi_and_pscan_mode *info = | |
638 | (struct inquiry_info_with_rssi_and_pscan_mode *) (skb->data + 1); | |
639 | ||
640 | for (; num_rsp; num_rsp--) { | |
641 | bacpy(&data.bdaddr, &info->bdaddr); | |
642 | data.pscan_rep_mode = info->pscan_rep_mode; | |
643 | data.pscan_period_mode = info->pscan_period_mode; | |
644 | data.pscan_mode = info->pscan_mode; | |
645 | memcpy(data.dev_class, info->dev_class, 3); | |
646 | data.clock_offset = info->clock_offset; | |
647 | data.rssi = info->rssi; | |
648 | info++; | |
649 | hci_inquiry_cache_update(hdev, &data); | |
650 | } | |
651 | } else { | |
652 | struct inquiry_info_with_rssi *info = | |
653 | (struct inquiry_info_with_rssi *) (skb->data + 1); | |
654 | ||
655 | for (; num_rsp; num_rsp--) { | |
656 | bacpy(&data.bdaddr, &info->bdaddr); | |
657 | data.pscan_rep_mode = info->pscan_rep_mode; | |
658 | data.pscan_period_mode = info->pscan_period_mode; | |
659 | data.pscan_mode = 0x00; | |
660 | memcpy(data.dev_class, info->dev_class, 3); | |
661 | data.clock_offset = info->clock_offset; | |
662 | data.rssi = info->rssi; | |
663 | info++; | |
664 | hci_inquiry_cache_update(hdev, &data); | |
665 | } | |
1da177e4 | 666 | } |
45bb4bf0 | 667 | |
1da177e4 LT |
668 | hci_dev_unlock(hdev); |
669 | } | |
670 | ||
21d9e30e MH |
671 | /* Extended Inquiry Result */ |
672 | static inline void hci_extended_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
673 | { | |
674 | struct inquiry_data data; | |
675 | struct extended_inquiry_info *info = (struct extended_inquiry_info *) (skb->data + 1); | |
676 | int num_rsp = *((__u8 *) skb->data); | |
677 | ||
678 | BT_DBG("%s num_rsp %d", hdev->name, num_rsp); | |
679 | ||
680 | if (!num_rsp) | |
681 | return; | |
682 | ||
683 | hci_dev_lock(hdev); | |
684 | ||
685 | for (; num_rsp; num_rsp--) { | |
686 | bacpy(&data.bdaddr, &info->bdaddr); | |
687 | data.pscan_rep_mode = info->pscan_rep_mode; | |
688 | data.pscan_period_mode = info->pscan_period_mode; | |
689 | data.pscan_mode = 0x00; | |
690 | memcpy(data.dev_class, info->dev_class, 3); | |
691 | data.clock_offset = info->clock_offset; | |
692 | data.rssi = info->rssi; | |
693 | info++; | |
694 | hci_inquiry_cache_update(hdev, &data); | |
695 | } | |
696 | ||
697 | hci_dev_unlock(hdev); | |
698 | } | |
699 | ||
1da177e4 LT |
700 | /* Connect Request */ |
701 | static inline void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
702 | { | |
703 | struct hci_ev_conn_request *ev = (struct hci_ev_conn_request *) skb->data; | |
704 | int mask = hdev->link_mode; | |
705 | ||
706 | BT_DBG("%s Connection request: %s type 0x%x", hdev->name, | |
707 | batostr(&ev->bdaddr), ev->link_type); | |
708 | ||
709 | mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type); | |
710 | ||
711 | if (mask & HCI_LM_ACCEPT) { | |
712 | /* Connection accepted */ | |
713 | struct hci_conn *conn; | |
714 | struct hci_cp_accept_conn_req cp; | |
715 | ||
716 | hci_dev_lock(hdev); | |
717 | conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr); | |
718 | if (!conn) { | |
719 | if (!(conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr))) { | |
720 | BT_ERR("No memmory for new connection"); | |
721 | hci_dev_unlock(hdev); | |
722 | return; | |
723 | } | |
724 | } | |
725 | memcpy(conn->dev_class, ev->dev_class, 3); | |
726 | conn->state = BT_CONNECT; | |
727 | hci_dev_unlock(hdev); | |
728 | ||
729 | bacpy(&cp.bdaddr, &ev->bdaddr); | |
730 | ||
731 | if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER)) | |
732 | cp.role = 0x00; /* Become master */ | |
733 | else | |
734 | cp.role = 0x01; /* Remain slave */ | |
735 | ||
04837f64 MH |
736 | hci_send_cmd(hdev, OGF_LINK_CTL, |
737 | OCF_ACCEPT_CONN_REQ, sizeof(cp), &cp); | |
1da177e4 LT |
738 | } else { |
739 | /* Connection rejected */ | |
740 | struct hci_cp_reject_conn_req cp; | |
741 | ||
742 | bacpy(&cp.bdaddr, &ev->bdaddr); | |
743 | cp.reason = 0x0f; | |
04837f64 MH |
744 | hci_send_cmd(hdev, OGF_LINK_CTL, |
745 | OCF_REJECT_CONN_REQ, sizeof(cp), &cp); | |
1da177e4 LT |
746 | } |
747 | } | |
748 | ||
749 | /* Connect Complete */ | |
750 | static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
751 | { | |
752 | struct hci_ev_conn_complete *ev = (struct hci_ev_conn_complete *) skb->data; | |
4c67bc74 | 753 | struct hci_conn *conn, *pend; |
1da177e4 LT |
754 | |
755 | BT_DBG("%s", hdev->name); | |
756 | ||
757 | hci_dev_lock(hdev); | |
758 | ||
759 | conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr); | |
760 | if (!conn) { | |
761 | hci_dev_unlock(hdev); | |
762 | return; | |
763 | } | |
764 | ||
765 | if (!ev->status) { | |
766 | conn->handle = __le16_to_cpu(ev->handle); | |
767 | conn->state = BT_CONNECTED; | |
768 | ||
769 | if (test_bit(HCI_AUTH, &hdev->flags)) | |
770 | conn->link_mode |= HCI_LM_AUTH; | |
771 | ||
772 | if (test_bit(HCI_ENCRYPT, &hdev->flags)) | |
773 | conn->link_mode |= HCI_LM_ENCRYPT; | |
774 | ||
04837f64 MH |
775 | /* Get remote features */ |
776 | if (conn->type == ACL_LINK) { | |
777 | struct hci_cp_read_remote_features cp; | |
778 | cp.handle = ev->handle; | |
779 | hci_send_cmd(hdev, OGF_LINK_CTL, | |
780 | OCF_READ_REMOTE_FEATURES, sizeof(cp), &cp); | |
781 | } | |
782 | ||
1da177e4 LT |
783 | /* Set link policy */ |
784 | if (conn->type == ACL_LINK && hdev->link_policy) { | |
785 | struct hci_cp_write_link_policy cp; | |
786 | cp.handle = ev->handle; | |
787 | cp.policy = __cpu_to_le16(hdev->link_policy); | |
04837f64 MH |
788 | hci_send_cmd(hdev, OGF_LINK_POLICY, |
789 | OCF_WRITE_LINK_POLICY, sizeof(cp), &cp); | |
1da177e4 LT |
790 | } |
791 | ||
792 | /* Set packet type for incoming connection */ | |
793 | if (!conn->out) { | |
794 | struct hci_cp_change_conn_ptype cp; | |
795 | cp.handle = ev->handle; | |
796 | cp.pkt_type = (conn->type == ACL_LINK) ? | |
797 | __cpu_to_le16(hdev->pkt_type & ACL_PTYPE_MASK): | |
798 | __cpu_to_le16(hdev->pkt_type & SCO_PTYPE_MASK); | |
799 | ||
04837f64 MH |
800 | hci_send_cmd(hdev, OGF_LINK_CTL, |
801 | OCF_CHANGE_CONN_PTYPE, sizeof(cp), &cp); | |
37e97b4e MH |
802 | } else { |
803 | /* Update disconnect timer */ | |
804 | hci_conn_hold(conn); | |
805 | hci_conn_put(conn); | |
1da177e4 LT |
806 | } |
807 | } else | |
808 | conn->state = BT_CLOSED; | |
809 | ||
810 | if (conn->type == ACL_LINK) { | |
811 | struct hci_conn *sco = conn->link; | |
812 | if (sco) { | |
813 | if (!ev->status) | |
814 | hci_add_sco(sco, conn->handle); | |
815 | else { | |
816 | hci_proto_connect_cfm(sco, ev->status); | |
817 | hci_conn_del(sco); | |
818 | } | |
819 | } | |
820 | } | |
821 | ||
822 | hci_proto_connect_cfm(conn, ev->status); | |
823 | if (ev->status) | |
824 | hci_conn_del(conn); | |
825 | ||
4c67bc74 MH |
826 | pend = hci_conn_hash_lookup_state(hdev, ACL_LINK, BT_CONNECT2); |
827 | if (pend) | |
828 | hci_acl_connect(pend); | |
829 | ||
1da177e4 LT |
830 | hci_dev_unlock(hdev); |
831 | } | |
832 | ||
833 | /* Disconnect Complete */ | |
834 | static inline void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
835 | { | |
836 | struct hci_ev_disconn_complete *ev = (struct hci_ev_disconn_complete *) skb->data; | |
04837f64 | 837 | struct hci_conn *conn; |
1da177e4 LT |
838 | |
839 | BT_DBG("%s status %d", hdev->name, ev->status); | |
840 | ||
841 | if (ev->status) | |
842 | return; | |
843 | ||
844 | hci_dev_lock(hdev); | |
845 | ||
04837f64 | 846 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
1da177e4 LT |
847 | if (conn) { |
848 | conn->state = BT_CLOSED; | |
849 | hci_proto_disconn_ind(conn, ev->reason); | |
850 | hci_conn_del(conn); | |
851 | } | |
852 | ||
853 | hci_dev_unlock(hdev); | |
854 | } | |
855 | ||
856 | /* Number of completed packets */ | |
857 | static inline void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
858 | { | |
859 | struct hci_ev_num_comp_pkts *ev = (struct hci_ev_num_comp_pkts *) skb->data; | |
1ebb9252 | 860 | __le16 *ptr; |
1da177e4 LT |
861 | int i; |
862 | ||
863 | skb_pull(skb, sizeof(*ev)); | |
864 | ||
865 | BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl); | |
866 | ||
867 | if (skb->len < ev->num_hndl * 4) { | |
868 | BT_DBG("%s bad parameters", hdev->name); | |
869 | return; | |
870 | } | |
871 | ||
872 | tasklet_disable(&hdev->tx_task); | |
873 | ||
1ebb9252 | 874 | for (i = 0, ptr = (__le16 *) skb->data; i < ev->num_hndl; i++) { |
1da177e4 LT |
875 | struct hci_conn *conn; |
876 | __u16 handle, count; | |
877 | ||
878 | handle = __le16_to_cpu(get_unaligned(ptr++)); | |
879 | count = __le16_to_cpu(get_unaligned(ptr++)); | |
880 | ||
881 | conn = hci_conn_hash_lookup_handle(hdev, handle); | |
882 | if (conn) { | |
883 | conn->sent -= count; | |
884 | ||
885 | if (conn->type == SCO_LINK) { | |
886 | if ((hdev->sco_cnt += count) > hdev->sco_pkts) | |
887 | hdev->sco_cnt = hdev->sco_pkts; | |
888 | } else { | |
889 | if ((hdev->acl_cnt += count) > hdev->acl_pkts) | |
890 | hdev->acl_cnt = hdev->acl_pkts; | |
891 | } | |
892 | } | |
893 | } | |
894 | hci_sched_tx(hdev); | |
895 | ||
896 | tasklet_enable(&hdev->tx_task); | |
897 | } | |
898 | ||
899 | /* Role Change */ | |
900 | static inline void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
901 | { | |
902 | struct hci_ev_role_change *ev = (struct hci_ev_role_change *) skb->data; | |
04837f64 | 903 | struct hci_conn *conn; |
1da177e4 LT |
904 | |
905 | BT_DBG("%s status %d", hdev->name, ev->status); | |
906 | ||
907 | hci_dev_lock(hdev); | |
908 | ||
909 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
910 | if (conn) { | |
911 | if (!ev->status) { | |
912 | if (ev->role) | |
913 | conn->link_mode &= ~HCI_LM_MASTER; | |
914 | else | |
915 | conn->link_mode |= HCI_LM_MASTER; | |
916 | } | |
917 | ||
918 | clear_bit(HCI_CONN_RSWITCH_PEND, &conn->pend); | |
919 | ||
920 | hci_role_switch_cfm(conn, ev->status, ev->role); | |
921 | } | |
922 | ||
923 | hci_dev_unlock(hdev); | |
924 | } | |
925 | ||
04837f64 MH |
926 | /* Mode Change */ |
927 | static inline void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
928 | { | |
929 | struct hci_ev_mode_change *ev = (struct hci_ev_mode_change *) skb->data; | |
930 | struct hci_conn *conn; | |
931 | ||
932 | BT_DBG("%s status %d", hdev->name, ev->status); | |
933 | ||
934 | hci_dev_lock(hdev); | |
935 | ||
936 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
937 | if (conn) { | |
938 | conn->mode = ev->mode; | |
939 | conn->interval = __le16_to_cpu(ev->interval); | |
940 | ||
941 | if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend)) { | |
942 | if (conn->mode == HCI_CM_ACTIVE) | |
943 | conn->power_save = 1; | |
944 | else | |
945 | conn->power_save = 0; | |
946 | } | |
947 | } | |
948 | ||
949 | hci_dev_unlock(hdev); | |
950 | } | |
951 | ||
1da177e4 LT |
952 | /* Authentication Complete */ |
953 | static inline void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
954 | { | |
955 | struct hci_ev_auth_complete *ev = (struct hci_ev_auth_complete *) skb->data; | |
04837f64 | 956 | struct hci_conn *conn; |
1da177e4 LT |
957 | |
958 | BT_DBG("%s status %d", hdev->name, ev->status); | |
959 | ||
960 | hci_dev_lock(hdev); | |
961 | ||
04837f64 | 962 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
1da177e4 LT |
963 | if (conn) { |
964 | if (!ev->status) | |
965 | conn->link_mode |= HCI_LM_AUTH; | |
966 | ||
967 | clear_bit(HCI_CONN_AUTH_PEND, &conn->pend); | |
968 | ||
969 | hci_auth_cfm(conn, ev->status); | |
970 | ||
971 | if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) { | |
972 | if (!ev->status) { | |
973 | struct hci_cp_set_conn_encrypt cp; | |
974 | cp.handle = __cpu_to_le16(conn->handle); | |
975 | cp.encrypt = 1; | |
976 | hci_send_cmd(conn->hdev, OGF_LINK_CTL, | |
04837f64 | 977 | OCF_SET_CONN_ENCRYPT, sizeof(cp), &cp); |
1da177e4 LT |
978 | } else { |
979 | clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend); | |
980 | hci_encrypt_cfm(conn, ev->status, 0x00); | |
981 | } | |
982 | } | |
983 | } | |
984 | ||
985 | hci_dev_unlock(hdev); | |
986 | } | |
987 | ||
988 | /* Encryption Change */ | |
989 | static inline void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
990 | { | |
991 | struct hci_ev_encrypt_change *ev = (struct hci_ev_encrypt_change *) skb->data; | |
04837f64 | 992 | struct hci_conn *conn; |
1da177e4 LT |
993 | |
994 | BT_DBG("%s status %d", hdev->name, ev->status); | |
995 | ||
996 | hci_dev_lock(hdev); | |
997 | ||
04837f64 | 998 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
1da177e4 LT |
999 | if (conn) { |
1000 | if (!ev->status) { | |
1001 | if (ev->encrypt) | |
1002 | conn->link_mode |= HCI_LM_ENCRYPT; | |
1003 | else | |
1004 | conn->link_mode &= ~HCI_LM_ENCRYPT; | |
1005 | } | |
1006 | ||
1007 | clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend); | |
1008 | ||
1009 | hci_encrypt_cfm(conn, ev->status, ev->encrypt); | |
1010 | } | |
1011 | ||
1012 | hci_dev_unlock(hdev); | |
1013 | } | |
1014 | ||
1015 | /* Change Connection Link Key Complete */ | |
1016 | static inline void hci_change_conn_link_key_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
1017 | { | |
1018 | struct hci_ev_change_conn_link_key_complete *ev = (struct hci_ev_change_conn_link_key_complete *) skb->data; | |
04837f64 | 1019 | struct hci_conn *conn; |
1da177e4 LT |
1020 | |
1021 | BT_DBG("%s status %d", hdev->name, ev->status); | |
1022 | ||
1023 | hci_dev_lock(hdev); | |
1024 | ||
04837f64 | 1025 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
1da177e4 LT |
1026 | if (conn) { |
1027 | if (!ev->status) | |
1028 | conn->link_mode |= HCI_LM_SECURE; | |
1029 | ||
1030 | clear_bit(HCI_CONN_AUTH_PEND, &conn->pend); | |
1031 | ||
1032 | hci_key_change_cfm(conn, ev->status); | |
1033 | } | |
1034 | ||
1035 | hci_dev_unlock(hdev); | |
1036 | } | |
1037 | ||
1038 | /* Pin Code Request*/ | |
1039 | static inline void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
1040 | { | |
1041 | } | |
1042 | ||
1043 | /* Link Key Request */ | |
1044 | static inline void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
1045 | { | |
1046 | } | |
1047 | ||
1048 | /* Link Key Notification */ | |
1049 | static inline void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
1050 | { | |
1051 | } | |
1052 | ||
04837f64 MH |
1053 | /* Remote Features */ |
1054 | static inline void hci_remote_features_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
1055 | { | |
1056 | struct hci_ev_remote_features *ev = (struct hci_ev_remote_features *) skb->data; | |
1057 | struct hci_conn *conn; | |
1058 | ||
1059 | BT_DBG("%s status %d", hdev->name, ev->status); | |
1060 | ||
1061 | hci_dev_lock(hdev); | |
1062 | ||
1063 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
1064 | if (conn && !ev->status) { | |
1065 | memcpy(conn->features, ev->features, sizeof(conn->features)); | |
1066 | } | |
1067 | ||
1068 | hci_dev_unlock(hdev); | |
1069 | } | |
1070 | ||
1da177e4 LT |
1071 | /* Clock Offset */ |
1072 | static inline void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
1073 | { | |
1074 | struct hci_ev_clock_offset *ev = (struct hci_ev_clock_offset *) skb->data; | |
04837f64 | 1075 | struct hci_conn *conn; |
1da177e4 LT |
1076 | |
1077 | BT_DBG("%s status %d", hdev->name, ev->status); | |
1078 | ||
1079 | hci_dev_lock(hdev); | |
1080 | ||
04837f64 | 1081 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
1da177e4 LT |
1082 | if (conn && !ev->status) { |
1083 | struct inquiry_entry *ie; | |
1084 | ||
1085 | if ((ie = hci_inquiry_cache_lookup(hdev, &conn->dst))) { | |
1086 | ie->data.clock_offset = ev->clock_offset; | |
1087 | ie->timestamp = jiffies; | |
1088 | } | |
1089 | } | |
1090 | ||
1091 | hci_dev_unlock(hdev); | |
1092 | } | |
1093 | ||
85a1e930 MH |
1094 | /* Page Scan Repetition Mode */ |
1095 | static inline void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
1096 | { | |
1097 | struct hci_ev_pscan_rep_mode *ev = (struct hci_ev_pscan_rep_mode *) skb->data; | |
1098 | struct inquiry_entry *ie; | |
1099 | ||
1100 | BT_DBG("%s", hdev->name); | |
1101 | ||
1102 | hci_dev_lock(hdev); | |
1103 | ||
1104 | if ((ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr))) { | |
1105 | ie->data.pscan_rep_mode = ev->pscan_rep_mode; | |
1106 | ie->timestamp = jiffies; | |
1107 | } | |
1108 | ||
1109 | hci_dev_unlock(hdev); | |
1110 | } | |
1111 | ||
04837f64 MH |
1112 | /* Sniff Subrate */ |
1113 | static inline void hci_sniff_subrate_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
1114 | { | |
1115 | struct hci_ev_sniff_subrate *ev = (struct hci_ev_sniff_subrate *) skb->data; | |
1116 | struct hci_conn *conn; | |
1117 | ||
1118 | BT_DBG("%s status %d", hdev->name, ev->status); | |
1119 | ||
1120 | hci_dev_lock(hdev); | |
1121 | ||
1122 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
1123 | if (conn) { | |
1124 | } | |
1125 | ||
1126 | hci_dev_unlock(hdev); | |
1127 | } | |
1128 | ||
1da177e4 LT |
1129 | void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb) |
1130 | { | |
1131 | struct hci_event_hdr *hdr = (struct hci_event_hdr *) skb->data; | |
1132 | struct hci_ev_cmd_complete *ec; | |
1133 | struct hci_ev_cmd_status *cs; | |
1134 | u16 opcode, ocf, ogf; | |
1135 | ||
1136 | skb_pull(skb, HCI_EVENT_HDR_SIZE); | |
1137 | ||
1138 | BT_DBG("%s evt 0x%x", hdev->name, hdr->evt); | |
1139 | ||
1140 | switch (hdr->evt) { | |
1141 | case HCI_EV_NUM_COMP_PKTS: | |
1142 | hci_num_comp_pkts_evt(hdev, skb); | |
1143 | break; | |
1144 | ||
1145 | case HCI_EV_INQUIRY_COMPLETE: | |
1146 | hci_inquiry_complete_evt(hdev, skb); | |
1147 | break; | |
1148 | ||
1149 | case HCI_EV_INQUIRY_RESULT: | |
1150 | hci_inquiry_result_evt(hdev, skb); | |
1151 | break; | |
1152 | ||
1153 | case HCI_EV_INQUIRY_RESULT_WITH_RSSI: | |
1154 | hci_inquiry_result_with_rssi_evt(hdev, skb); | |
1155 | break; | |
1156 | ||
21d9e30e MH |
1157 | case HCI_EV_EXTENDED_INQUIRY_RESULT: |
1158 | hci_extended_inquiry_result_evt(hdev, skb); | |
1159 | break; | |
1160 | ||
1da177e4 LT |
1161 | case HCI_EV_CONN_REQUEST: |
1162 | hci_conn_request_evt(hdev, skb); | |
1163 | break; | |
1164 | ||
1165 | case HCI_EV_CONN_COMPLETE: | |
1166 | hci_conn_complete_evt(hdev, skb); | |
1167 | break; | |
1168 | ||
1169 | case HCI_EV_DISCONN_COMPLETE: | |
1170 | hci_disconn_complete_evt(hdev, skb); | |
1171 | break; | |
1172 | ||
1173 | case HCI_EV_ROLE_CHANGE: | |
1174 | hci_role_change_evt(hdev, skb); | |
1175 | break; | |
1176 | ||
04837f64 MH |
1177 | case HCI_EV_MODE_CHANGE: |
1178 | hci_mode_change_evt(hdev, skb); | |
1179 | break; | |
1180 | ||
1da177e4 LT |
1181 | case HCI_EV_AUTH_COMPLETE: |
1182 | hci_auth_complete_evt(hdev, skb); | |
1183 | break; | |
1184 | ||
1185 | case HCI_EV_ENCRYPT_CHANGE: | |
1186 | hci_encrypt_change_evt(hdev, skb); | |
1187 | break; | |
1188 | ||
1189 | case HCI_EV_CHANGE_CONN_LINK_KEY_COMPLETE: | |
1190 | hci_change_conn_link_key_complete_evt(hdev, skb); | |
1191 | break; | |
1192 | ||
1193 | case HCI_EV_PIN_CODE_REQ: | |
1194 | hci_pin_code_request_evt(hdev, skb); | |
1195 | break; | |
1196 | ||
1197 | case HCI_EV_LINK_KEY_REQ: | |
1198 | hci_link_key_request_evt(hdev, skb); | |
1199 | break; | |
1200 | ||
1201 | case HCI_EV_LINK_KEY_NOTIFY: | |
1202 | hci_link_key_notify_evt(hdev, skb); | |
1203 | break; | |
1204 | ||
04837f64 MH |
1205 | case HCI_EV_REMOTE_FEATURES: |
1206 | hci_remote_features_evt(hdev, skb); | |
1207 | break; | |
1208 | ||
1da177e4 LT |
1209 | case HCI_EV_CLOCK_OFFSET: |
1210 | hci_clock_offset_evt(hdev, skb); | |
1211 | break; | |
1212 | ||
85a1e930 MH |
1213 | case HCI_EV_PSCAN_REP_MODE: |
1214 | hci_pscan_rep_mode_evt(hdev, skb); | |
1215 | break; | |
1216 | ||
04837f64 MH |
1217 | case HCI_EV_SNIFF_SUBRATE: |
1218 | hci_sniff_subrate_evt(hdev, skb); | |
1219 | break; | |
1220 | ||
1da177e4 LT |
1221 | case HCI_EV_CMD_STATUS: |
1222 | cs = (struct hci_ev_cmd_status *) skb->data; | |
1223 | skb_pull(skb, sizeof(cs)); | |
1224 | ||
1225 | opcode = __le16_to_cpu(cs->opcode); | |
1226 | ogf = hci_opcode_ogf(opcode); | |
1227 | ocf = hci_opcode_ocf(opcode); | |
1228 | ||
1229 | switch (ogf) { | |
1230 | case OGF_INFO_PARAM: | |
1231 | hci_cs_info_param(hdev, ocf, cs->status); | |
1232 | break; | |
1233 | ||
1234 | case OGF_HOST_CTL: | |
1235 | hci_cs_host_ctl(hdev, ocf, cs->status); | |
1236 | break; | |
1237 | ||
1238 | case OGF_LINK_CTL: | |
1239 | hci_cs_link_ctl(hdev, ocf, cs->status); | |
1240 | break; | |
1241 | ||
1242 | case OGF_LINK_POLICY: | |
1243 | hci_cs_link_policy(hdev, ocf, cs->status); | |
1244 | break; | |
1245 | ||
1246 | default: | |
1247 | BT_DBG("%s Command Status OGF %x", hdev->name, ogf); | |
1248 | break; | |
1249 | } | |
1250 | ||
1251 | if (cs->ncmd) { | |
1252 | atomic_set(&hdev->cmd_cnt, 1); | |
1253 | if (!skb_queue_empty(&hdev->cmd_q)) | |
1254 | hci_sched_cmd(hdev); | |
1255 | } | |
1256 | break; | |
1257 | ||
1258 | case HCI_EV_CMD_COMPLETE: | |
1259 | ec = (struct hci_ev_cmd_complete *) skb->data; | |
1260 | skb_pull(skb, sizeof(*ec)); | |
1261 | ||
1262 | opcode = __le16_to_cpu(ec->opcode); | |
1263 | ogf = hci_opcode_ogf(opcode); | |
1264 | ocf = hci_opcode_ocf(opcode); | |
1265 | ||
1266 | switch (ogf) { | |
1267 | case OGF_INFO_PARAM: | |
1268 | hci_cc_info_param(hdev, ocf, skb); | |
1269 | break; | |
1270 | ||
1271 | case OGF_HOST_CTL: | |
1272 | hci_cc_host_ctl(hdev, ocf, skb); | |
1273 | break; | |
1274 | ||
1275 | case OGF_LINK_CTL: | |
1276 | hci_cc_link_ctl(hdev, ocf, skb); | |
1277 | break; | |
1278 | ||
1279 | case OGF_LINK_POLICY: | |
1280 | hci_cc_link_policy(hdev, ocf, skb); | |
1281 | break; | |
1282 | ||
1283 | default: | |
1284 | BT_DBG("%s Command Completed OGF %x", hdev->name, ogf); | |
1285 | break; | |
1286 | } | |
1287 | ||
1288 | if (ec->ncmd) { | |
1289 | atomic_set(&hdev->cmd_cnt, 1); | |
1290 | if (!skb_queue_empty(&hdev->cmd_q)) | |
1291 | hci_sched_cmd(hdev); | |
1292 | } | |
1293 | break; | |
1294 | } | |
1295 | ||
1296 | kfree_skb(skb); | |
1297 | hdev->stat.evt_rx++; | |
1298 | } | |
1299 | ||
1300 | /* Generate internal stack event */ | |
1301 | void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data) | |
1302 | { | |
1303 | struct hci_event_hdr *hdr; | |
1304 | struct hci_ev_stack_internal *ev; | |
1305 | struct sk_buff *skb; | |
1306 | ||
1307 | skb = bt_skb_alloc(HCI_EVENT_HDR_SIZE + sizeof(*ev) + dlen, GFP_ATOMIC); | |
1308 | if (!skb) | |
1309 | return; | |
1310 | ||
1311 | hdr = (void *) skb_put(skb, HCI_EVENT_HDR_SIZE); | |
1312 | hdr->evt = HCI_EV_STACK_INTERNAL; | |
1313 | hdr->plen = sizeof(*ev) + dlen; | |
1314 | ||
1315 | ev = (void *) skb_put(skb, sizeof(*ev) + dlen); | |
1316 | ev->type = type; | |
1317 | memcpy(ev->data, data, dlen); | |
1318 | ||
576c7d85 | 1319 | bt_cb(skb)->incoming = 1; |
a61bbcf2 | 1320 | __net_timestamp(skb); |
576c7d85 | 1321 | |
0d48d939 | 1322 | bt_cb(skb)->pkt_type = HCI_EVENT_PKT; |
1da177e4 LT |
1323 | skb->dev = (void *) hdev; |
1324 | hci_send_to_sock(hdev, skb); | |
1325 | kfree_skb(skb); | |
1326 | } |