Commit | Line | Data |
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8e87d142 | 1 | /* |
1da177e4 LT |
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 | |
8e87d142 YH |
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 | |
1da177e4 LT |
18 | OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
19 | ||
8e87d142 YH |
20 | ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, |
21 | COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS | |
1da177e4 LT |
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/slab.h> |
33 | #include <linux/poll.h> | |
34 | #include <linux/fcntl.h> | |
35 | #include <linux/init.h> | |
36 | #include <linux/skbuff.h> | |
37 | #include <linux/interrupt.h> | |
38 | #include <linux/notifier.h> | |
39 | #include <net/sock.h> | |
40 | ||
41 | #include <asm/system.h> | |
42 | #include <asm/uaccess.h> | |
43 | #include <asm/unaligned.h> | |
44 | ||
45 | #include <net/bluetooth/bluetooth.h> | |
46 | #include <net/bluetooth/hci_core.h> | |
47 | ||
48 | #ifndef CONFIG_BT_HCI_CORE_DEBUG | |
49 | #undef BT_DBG | |
50 | #define BT_DBG(D...) | |
51 | #endif | |
52 | ||
53 | /* Handle HCI Event packets */ | |
54 | ||
55 | /* Command Complete OGF LINK_CTL */ | |
56 | static void hci_cc_link_ctl(struct hci_dev *hdev, __u16 ocf, struct sk_buff *skb) | |
57 | { | |
58 | __u8 status; | |
6bd57416 | 59 | struct hci_conn *pend; |
1da177e4 LT |
60 | |
61 | BT_DBG("%s ocf 0x%x", hdev->name, ocf); | |
62 | ||
63 | switch (ocf) { | |
64 | case OCF_INQUIRY_CANCEL: | |
defc761b | 65 | case OCF_EXIT_PERIODIC_INQ: |
1da177e4 LT |
66 | status = *((__u8 *) skb->data); |
67 | ||
68 | if (status) { | |
69 | BT_DBG("%s Inquiry cancel error: status 0x%x", hdev->name, status); | |
70 | } else { | |
71 | clear_bit(HCI_INQUIRY, &hdev->flags); | |
72 | hci_req_complete(hdev, status); | |
73 | } | |
6bd57416 MH |
74 | |
75 | hci_dev_lock(hdev); | |
76 | ||
77 | pend = hci_conn_hash_lookup_state(hdev, ACL_LINK, BT_CONNECT2); | |
78 | if (pend) | |
79 | hci_acl_connect(pend); | |
80 | ||
81 | hci_dev_unlock(hdev); | |
82 | ||
1da177e4 LT |
83 | break; |
84 | ||
85 | default: | |
86 | BT_DBG("%s Command complete: ogf LINK_CTL ocf %x", hdev->name, ocf); | |
87 | break; | |
88 | } | |
89 | } | |
90 | ||
91 | /* Command Complete OGF LINK_POLICY */ | |
92 | static void hci_cc_link_policy(struct hci_dev *hdev, __u16 ocf, struct sk_buff *skb) | |
93 | { | |
94 | struct hci_conn *conn; | |
95 | struct hci_rp_role_discovery *rd; | |
04837f64 MH |
96 | struct hci_rp_write_link_policy *lp; |
97 | void *sent; | |
1da177e4 LT |
98 | |
99 | BT_DBG("%s ocf 0x%x", hdev->name, ocf); | |
100 | ||
101 | switch (ocf) { | |
8e87d142 | 102 | case OCF_ROLE_DISCOVERY: |
1da177e4 LT |
103 | rd = (void *) skb->data; |
104 | ||
105 | if (rd->status) | |
106 | break; | |
107 | ||
108 | hci_dev_lock(hdev); | |
109 | ||
110 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rd->handle)); | |
111 | if (conn) { | |
112 | if (rd->role) | |
113 | conn->link_mode &= ~HCI_LM_MASTER; | |
114 | else | |
115 | conn->link_mode |= HCI_LM_MASTER; | |
116 | } | |
117 | ||
118 | hci_dev_unlock(hdev); | |
119 | break; | |
120 | ||
04837f64 MH |
121 | case OCF_WRITE_LINK_POLICY: |
122 | sent = hci_sent_cmd_data(hdev, OGF_LINK_POLICY, OCF_WRITE_LINK_POLICY); | |
123 | if (!sent) | |
124 | break; | |
125 | ||
126 | lp = (struct hci_rp_write_link_policy *) skb->data; | |
127 | ||
128 | if (lp->status) | |
129 | break; | |
130 | ||
131 | hci_dev_lock(hdev); | |
132 | ||
133 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(lp->handle)); | |
134 | if (conn) { | |
135 | __le16 policy = get_unaligned((__le16 *) (sent + 2)); | |
136 | conn->link_policy = __le16_to_cpu(policy); | |
137 | } | |
138 | ||
139 | hci_dev_unlock(hdev); | |
140 | break; | |
141 | ||
1da177e4 | 142 | default: |
8e87d142 | 143 | BT_DBG("%s: Command complete: ogf LINK_POLICY ocf %x", |
1da177e4 LT |
144 | hdev->name, ocf); |
145 | break; | |
146 | } | |
147 | } | |
148 | ||
149 | /* Command Complete OGF HOST_CTL */ | |
150 | static void hci_cc_host_ctl(struct hci_dev *hdev, __u16 ocf, struct sk_buff *skb) | |
151 | { | |
152 | __u8 status, param; | |
153 | __u16 setting; | |
154 | struct hci_rp_read_voice_setting *vs; | |
155 | void *sent; | |
156 | ||
157 | BT_DBG("%s ocf 0x%x", hdev->name, ocf); | |
158 | ||
159 | switch (ocf) { | |
160 | case OCF_RESET: | |
161 | status = *((__u8 *) skb->data); | |
162 | hci_req_complete(hdev, status); | |
163 | break; | |
164 | ||
165 | case OCF_SET_EVENT_FLT: | |
166 | status = *((__u8 *) skb->data); | |
167 | if (status) { | |
168 | BT_DBG("%s SET_EVENT_FLT failed %d", hdev->name, status); | |
169 | } else { | |
170 | BT_DBG("%s SET_EVENT_FLT succeseful", hdev->name); | |
171 | } | |
172 | break; | |
173 | ||
174 | case OCF_WRITE_AUTH_ENABLE: | |
175 | sent = hci_sent_cmd_data(hdev, OGF_HOST_CTL, OCF_WRITE_AUTH_ENABLE); | |
176 | if (!sent) | |
177 | break; | |
178 | ||
179 | status = *((__u8 *) skb->data); | |
180 | param = *((__u8 *) sent); | |
181 | ||
182 | if (!status) { | |
183 | if (param == AUTH_ENABLED) | |
184 | set_bit(HCI_AUTH, &hdev->flags); | |
185 | else | |
186 | clear_bit(HCI_AUTH, &hdev->flags); | |
187 | } | |
188 | hci_req_complete(hdev, status); | |
189 | break; | |
190 | ||
191 | case OCF_WRITE_ENCRYPT_MODE: | |
192 | sent = hci_sent_cmd_data(hdev, OGF_HOST_CTL, OCF_WRITE_ENCRYPT_MODE); | |
193 | if (!sent) | |
194 | break; | |
195 | ||
196 | status = *((__u8 *) skb->data); | |
197 | param = *((__u8 *) sent); | |
198 | ||
199 | if (!status) { | |
200 | if (param) | |
201 | set_bit(HCI_ENCRYPT, &hdev->flags); | |
202 | else | |
203 | clear_bit(HCI_ENCRYPT, &hdev->flags); | |
204 | } | |
205 | hci_req_complete(hdev, status); | |
206 | break; | |
207 | ||
208 | case OCF_WRITE_CA_TIMEOUT: | |
209 | status = *((__u8 *) skb->data); | |
210 | if (status) { | |
211 | BT_DBG("%s OCF_WRITE_CA_TIMEOUT failed %d", hdev->name, status); | |
212 | } else { | |
213 | BT_DBG("%s OCF_WRITE_CA_TIMEOUT succeseful", hdev->name); | |
214 | } | |
215 | break; | |
216 | ||
217 | case OCF_WRITE_PG_TIMEOUT: | |
218 | status = *((__u8 *) skb->data); | |
219 | if (status) { | |
220 | BT_DBG("%s OCF_WRITE_PG_TIMEOUT failed %d", hdev->name, status); | |
221 | } else { | |
222 | BT_DBG("%s: OCF_WRITE_PG_TIMEOUT succeseful", hdev->name); | |
223 | } | |
224 | break; | |
225 | ||
226 | case OCF_WRITE_SCAN_ENABLE: | |
227 | sent = hci_sent_cmd_data(hdev, OGF_HOST_CTL, OCF_WRITE_SCAN_ENABLE); | |
228 | if (!sent) | |
229 | break; | |
230 | ||
231 | status = *((__u8 *) skb->data); | |
232 | param = *((__u8 *) sent); | |
233 | ||
234 | BT_DBG("param 0x%x", param); | |
235 | ||
236 | if (!status) { | |
237 | clear_bit(HCI_PSCAN, &hdev->flags); | |
238 | clear_bit(HCI_ISCAN, &hdev->flags); | |
8e87d142 | 239 | if (param & SCAN_INQUIRY) |
1da177e4 LT |
240 | set_bit(HCI_ISCAN, &hdev->flags); |
241 | ||
8e87d142 | 242 | if (param & SCAN_PAGE) |
1da177e4 LT |
243 | set_bit(HCI_PSCAN, &hdev->flags); |
244 | } | |
245 | hci_req_complete(hdev, status); | |
246 | break; | |
247 | ||
248 | case OCF_READ_VOICE_SETTING: | |
249 | vs = (struct hci_rp_read_voice_setting *) skb->data; | |
250 | ||
251 | if (vs->status) { | |
252 | BT_DBG("%s READ_VOICE_SETTING failed %d", hdev->name, vs->status); | |
253 | break; | |
254 | } | |
255 | ||
256 | setting = __le16_to_cpu(vs->voice_setting); | |
257 | ||
258 | if (hdev->voice_setting != setting ) { | |
259 | hdev->voice_setting = setting; | |
260 | ||
261 | BT_DBG("%s: voice setting 0x%04x", hdev->name, setting); | |
262 | ||
263 | if (hdev->notify) { | |
264 | tasklet_disable(&hdev->tx_task); | |
265 | hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING); | |
266 | tasklet_enable(&hdev->tx_task); | |
267 | } | |
268 | } | |
269 | break; | |
270 | ||
271 | case OCF_WRITE_VOICE_SETTING: | |
272 | sent = hci_sent_cmd_data(hdev, OGF_HOST_CTL, OCF_WRITE_VOICE_SETTING); | |
273 | if (!sent) | |
274 | break; | |
275 | ||
276 | status = *((__u8 *) skb->data); | |
1ebb9252 | 277 | setting = __le16_to_cpu(get_unaligned((__le16 *) sent)); |
1da177e4 LT |
278 | |
279 | if (!status && hdev->voice_setting != setting) { | |
280 | hdev->voice_setting = setting; | |
281 | ||
282 | BT_DBG("%s: voice setting 0x%04x", hdev->name, setting); | |
283 | ||
284 | if (hdev->notify) { | |
285 | tasklet_disable(&hdev->tx_task); | |
286 | hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING); | |
287 | tasklet_enable(&hdev->tx_task); | |
288 | } | |
289 | } | |
290 | hci_req_complete(hdev, status); | |
291 | break; | |
292 | ||
293 | case OCF_HOST_BUFFER_SIZE: | |
294 | status = *((__u8 *) skb->data); | |
295 | if (status) { | |
296 | BT_DBG("%s OCF_BUFFER_SIZE failed %d", hdev->name, status); | |
297 | hci_req_complete(hdev, status); | |
298 | } | |
299 | break; | |
300 | ||
301 | default: | |
302 | BT_DBG("%s Command complete: ogf HOST_CTL ocf %x", hdev->name, ocf); | |
303 | break; | |
304 | } | |
305 | } | |
306 | ||
307 | /* Command Complete OGF INFO_PARAM */ | |
308 | static void hci_cc_info_param(struct hci_dev *hdev, __u16 ocf, struct sk_buff *skb) | |
309 | { | |
1143e5a6 | 310 | struct hci_rp_read_loc_version *lv; |
04837f64 | 311 | struct hci_rp_read_local_features *lf; |
1da177e4 LT |
312 | struct hci_rp_read_buffer_size *bs; |
313 | struct hci_rp_read_bd_addr *ba; | |
314 | ||
315 | BT_DBG("%s ocf 0x%x", hdev->name, ocf); | |
316 | ||
317 | switch (ocf) { | |
1143e5a6 MH |
318 | case OCF_READ_LOCAL_VERSION: |
319 | lv = (struct hci_rp_read_loc_version *) skb->data; | |
320 | ||
321 | if (lv->status) { | |
322 | BT_DBG("%s READ_LOCAL_VERSION failed %d", hdev->name, lf->status); | |
323 | break; | |
324 | } | |
325 | ||
326 | hdev->hci_ver = lv->hci_ver; | |
327 | hdev->hci_rev = btohs(lv->hci_rev); | |
328 | hdev->manufacturer = btohs(lv->manufacturer); | |
329 | ||
330 | BT_DBG("%s: manufacturer %d hci_ver %d hci_rev %d", hdev->name, | |
331 | hdev->manufacturer, hdev->hci_ver, hdev->hci_rev); | |
332 | ||
333 | break; | |
334 | ||
1da177e4 | 335 | case OCF_READ_LOCAL_FEATURES: |
04837f64 | 336 | lf = (struct hci_rp_read_local_features *) skb->data; |
1da177e4 LT |
337 | |
338 | if (lf->status) { | |
339 | BT_DBG("%s READ_LOCAL_FEATURES failed %d", hdev->name, lf->status); | |
340 | break; | |
341 | } | |
342 | ||
343 | memcpy(hdev->features, lf->features, sizeof(hdev->features)); | |
344 | ||
8e87d142 | 345 | /* Adjust default settings according to features |
1da177e4 LT |
346 | * supported by device. */ |
347 | if (hdev->features[0] & LMP_3SLOT) | |
348 | hdev->pkt_type |= (HCI_DM3 | HCI_DH3); | |
349 | ||
350 | if (hdev->features[0] & LMP_5SLOT) | |
351 | hdev->pkt_type |= (HCI_DM5 | HCI_DH5); | |
352 | ||
5b7f9909 MH |
353 | if (hdev->features[1] & LMP_HV2) { |
354 | hdev->pkt_type |= (HCI_HV2); | |
355 | hdev->esco_type |= (ESCO_HV2); | |
356 | } | |
357 | ||
358 | if (hdev->features[1] & LMP_HV3) { | |
359 | hdev->pkt_type |= (HCI_HV3); | |
360 | hdev->esco_type |= (ESCO_HV3); | |
361 | } | |
1da177e4 | 362 | |
5b7f9909 MH |
363 | if (hdev->features[3] & LMP_ESCO) |
364 | hdev->esco_type |= (ESCO_EV3); | |
365 | ||
366 | if (hdev->features[4] & LMP_EV4) | |
367 | hdev->esco_type |= (ESCO_EV4); | |
368 | ||
369 | if (hdev->features[4] & LMP_EV5) | |
370 | hdev->esco_type |= (ESCO_EV5); | |
1da177e4 | 371 | |
1143e5a6 MH |
372 | BT_DBG("%s: features 0x%x 0x%x 0x%x", hdev->name, |
373 | lf->features[0], lf->features[1], lf->features[2]); | |
1da177e4 LT |
374 | |
375 | break; | |
376 | ||
377 | case OCF_READ_BUFFER_SIZE: | |
378 | bs = (struct hci_rp_read_buffer_size *) skb->data; | |
379 | ||
380 | if (bs->status) { | |
381 | BT_DBG("%s READ_BUFFER_SIZE failed %d", hdev->name, bs->status); | |
382 | hci_req_complete(hdev, bs->status); | |
383 | break; | |
384 | } | |
385 | ||
386 | hdev->acl_mtu = __le16_to_cpu(bs->acl_mtu); | |
da1f5198 MH |
387 | hdev->sco_mtu = bs->sco_mtu; |
388 | hdev->acl_pkts = __le16_to_cpu(bs->acl_max_pkt); | |
389 | hdev->sco_pkts = __le16_to_cpu(bs->sco_max_pkt); | |
390 | ||
391 | if (test_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks)) { | |
392 | hdev->sco_mtu = 64; | |
393 | hdev->sco_pkts = 8; | |
394 | } | |
395 | ||
396 | hdev->acl_cnt = hdev->acl_pkts; | |
397 | hdev->sco_cnt = hdev->sco_pkts; | |
1da177e4 LT |
398 | |
399 | BT_DBG("%s mtu: acl %d, sco %d max_pkt: acl %d, sco %d", hdev->name, | |
400 | hdev->acl_mtu, hdev->sco_mtu, hdev->acl_pkts, hdev->sco_pkts); | |
401 | break; | |
402 | ||
403 | case OCF_READ_BD_ADDR: | |
404 | ba = (struct hci_rp_read_bd_addr *) skb->data; | |
405 | ||
406 | if (!ba->status) { | |
407 | bacpy(&hdev->bdaddr, &ba->bdaddr); | |
408 | } else { | |
409 | BT_DBG("%s: READ_BD_ADDR failed %d", hdev->name, ba->status); | |
410 | } | |
411 | ||
412 | hci_req_complete(hdev, ba->status); | |
413 | break; | |
414 | ||
415 | default: | |
416 | BT_DBG("%s Command complete: ogf INFO_PARAM ocf %x", hdev->name, ocf); | |
417 | break; | |
418 | } | |
419 | } | |
420 | ||
421 | /* Command Status OGF LINK_CTL */ | |
422 | static inline void hci_cs_create_conn(struct hci_dev *hdev, __u8 status) | |
423 | { | |
424 | struct hci_conn *conn; | |
425 | struct hci_cp_create_conn *cp = hci_sent_cmd_data(hdev, OGF_LINK_CTL, OCF_CREATE_CONN); | |
426 | ||
427 | if (!cp) | |
428 | return; | |
429 | ||
430 | hci_dev_lock(hdev); | |
431 | ||
432 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); | |
433 | ||
434 | BT_DBG("%s status 0x%x bdaddr %s conn %p", hdev->name, | |
435 | status, batostr(&cp->bdaddr), conn); | |
436 | ||
437 | if (status) { | |
438 | if (conn && conn->state == BT_CONNECT) { | |
4c67bc74 MH |
439 | if (status != 0x0c || conn->attempt > 2) { |
440 | conn->state = BT_CLOSED; | |
441 | hci_proto_connect_cfm(conn, status); | |
442 | hci_conn_del(conn); | |
443 | } else | |
444 | conn->state = BT_CONNECT2; | |
1da177e4 LT |
445 | } |
446 | } else { | |
447 | if (!conn) { | |
448 | conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr); | |
449 | if (conn) { | |
450 | conn->out = 1; | |
451 | conn->link_mode |= HCI_LM_MASTER; | |
452 | } else | |
453 | BT_ERR("No memmory for new connection"); | |
454 | } | |
455 | } | |
456 | ||
457 | hci_dev_unlock(hdev); | |
458 | } | |
459 | ||
460 | static void hci_cs_link_ctl(struct hci_dev *hdev, __u16 ocf, __u8 status) | |
461 | { | |
462 | BT_DBG("%s ocf 0x%x", hdev->name, ocf); | |
463 | ||
464 | switch (ocf) { | |
465 | case OCF_CREATE_CONN: | |
466 | hci_cs_create_conn(hdev, status); | |
467 | break; | |
468 | ||
469 | case OCF_ADD_SCO: | |
470 | if (status) { | |
471 | struct hci_conn *acl, *sco; | |
472 | struct hci_cp_add_sco *cp = hci_sent_cmd_data(hdev, OGF_LINK_CTL, OCF_ADD_SCO); | |
473 | __u16 handle; | |
474 | ||
475 | if (!cp) | |
476 | break; | |
477 | ||
478 | handle = __le16_to_cpu(cp->handle); | |
479 | ||
480 | BT_DBG("%s Add SCO error: handle %d status 0x%x", hdev->name, handle, status); | |
481 | ||
482 | hci_dev_lock(hdev); | |
483 | ||
484 | acl = hci_conn_hash_lookup_handle(hdev, handle); | |
485 | if (acl && (sco = acl->link)) { | |
486 | sco->state = BT_CLOSED; | |
487 | ||
488 | hci_proto_connect_cfm(sco, status); | |
489 | hci_conn_del(sco); | |
490 | } | |
491 | ||
492 | hci_dev_unlock(hdev); | |
493 | } | |
494 | break; | |
495 | ||
496 | case OCF_INQUIRY: | |
497 | if (status) { | |
498 | BT_DBG("%s Inquiry error: status 0x%x", hdev->name, status); | |
499 | hci_req_complete(hdev, status); | |
500 | } else { | |
501 | set_bit(HCI_INQUIRY, &hdev->flags); | |
502 | } | |
503 | break; | |
504 | ||
505 | default: | |
8e87d142 | 506 | BT_DBG("%s Command status: ogf LINK_CTL ocf %x status %d", |
1da177e4 LT |
507 | hdev->name, ocf, status); |
508 | break; | |
509 | } | |
510 | } | |
511 | ||
512 | /* Command Status OGF LINK_POLICY */ | |
513 | static void hci_cs_link_policy(struct hci_dev *hdev, __u16 ocf, __u8 status) | |
514 | { | |
515 | BT_DBG("%s ocf 0x%x", hdev->name, ocf); | |
516 | ||
517 | switch (ocf) { | |
04837f64 MH |
518 | case OCF_SNIFF_MODE: |
519 | if (status) { | |
520 | struct hci_conn *conn; | |
521 | struct hci_cp_sniff_mode *cp = hci_sent_cmd_data(hdev, OGF_LINK_POLICY, OCF_SNIFF_MODE); | |
522 | ||
523 | if (!cp) | |
524 | break; | |
525 | ||
526 | hci_dev_lock(hdev); | |
527 | ||
528 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
529 | if (conn) { | |
530 | clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend); | |
531 | } | |
532 | ||
533 | hci_dev_unlock(hdev); | |
534 | } | |
535 | break; | |
536 | ||
537 | case OCF_EXIT_SNIFF_MODE: | |
538 | if (status) { | |
539 | struct hci_conn *conn; | |
540 | struct hci_cp_exit_sniff_mode *cp = hci_sent_cmd_data(hdev, OGF_LINK_POLICY, OCF_EXIT_SNIFF_MODE); | |
541 | ||
542 | if (!cp) | |
543 | break; | |
544 | ||
545 | hci_dev_lock(hdev); | |
546 | ||
547 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
548 | if (conn) { | |
549 | clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend); | |
550 | } | |
551 | ||
552 | hci_dev_unlock(hdev); | |
553 | } | |
554 | break; | |
555 | ||
1da177e4 | 556 | default: |
04837f64 | 557 | BT_DBG("%s Command status: ogf LINK_POLICY ocf %x", hdev->name, ocf); |
1da177e4 LT |
558 | break; |
559 | } | |
560 | } | |
561 | ||
562 | /* Command Status OGF HOST_CTL */ | |
563 | static void hci_cs_host_ctl(struct hci_dev *hdev, __u16 ocf, __u8 status) | |
564 | { | |
565 | BT_DBG("%s ocf 0x%x", hdev->name, ocf); | |
566 | ||
567 | switch (ocf) { | |
568 | default: | |
569 | BT_DBG("%s Command status: ogf HOST_CTL ocf %x", hdev->name, ocf); | |
570 | break; | |
571 | } | |
572 | } | |
573 | ||
574 | /* Command Status OGF INFO_PARAM */ | |
575 | static void hci_cs_info_param(struct hci_dev *hdev, __u16 ocf, __u8 status) | |
576 | { | |
577 | BT_DBG("%s: hci_cs_info_param: ocf 0x%x", hdev->name, ocf); | |
578 | ||
579 | switch (ocf) { | |
580 | default: | |
581 | BT_DBG("%s Command status: ogf INFO_PARAM ocf %x", hdev->name, ocf); | |
582 | break; | |
583 | } | |
584 | } | |
585 | ||
586 | /* Inquiry Complete */ | |
587 | static inline void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
588 | { | |
589 | __u8 status = *((__u8 *) skb->data); | |
6bd57416 | 590 | struct hci_conn *pend; |
1da177e4 LT |
591 | |
592 | BT_DBG("%s status %d", hdev->name, status); | |
593 | ||
594 | clear_bit(HCI_INQUIRY, &hdev->flags); | |
595 | hci_req_complete(hdev, status); | |
6bd57416 MH |
596 | |
597 | hci_dev_lock(hdev); | |
598 | ||
599 | pend = hci_conn_hash_lookup_state(hdev, ACL_LINK, BT_CONNECT2); | |
600 | if (pend) | |
601 | hci_acl_connect(pend); | |
602 | ||
603 | hci_dev_unlock(hdev); | |
1da177e4 LT |
604 | } |
605 | ||
606 | /* Inquiry Result */ | |
607 | static inline void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
608 | { | |
45bb4bf0 | 609 | struct inquiry_data data; |
1da177e4 LT |
610 | struct inquiry_info *info = (struct inquiry_info *) (skb->data + 1); |
611 | int num_rsp = *((__u8 *) skb->data); | |
612 | ||
613 | BT_DBG("%s num_rsp %d", hdev->name, num_rsp); | |
614 | ||
45bb4bf0 MH |
615 | if (!num_rsp) |
616 | return; | |
617 | ||
1da177e4 | 618 | hci_dev_lock(hdev); |
45bb4bf0 | 619 | |
1da177e4 | 620 | for (; num_rsp; num_rsp--) { |
1da177e4 LT |
621 | bacpy(&data.bdaddr, &info->bdaddr); |
622 | data.pscan_rep_mode = info->pscan_rep_mode; | |
623 | data.pscan_period_mode = info->pscan_period_mode; | |
624 | data.pscan_mode = info->pscan_mode; | |
625 | memcpy(data.dev_class, info->dev_class, 3); | |
626 | data.clock_offset = info->clock_offset; | |
627 | data.rssi = 0x00; | |
628 | info++; | |
629 | hci_inquiry_cache_update(hdev, &data); | |
630 | } | |
45bb4bf0 | 631 | |
1da177e4 LT |
632 | hci_dev_unlock(hdev); |
633 | } | |
634 | ||
635 | /* Inquiry Result With RSSI */ | |
636 | static inline void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
637 | { | |
45bb4bf0 | 638 | struct inquiry_data data; |
1da177e4 LT |
639 | int num_rsp = *((__u8 *) skb->data); |
640 | ||
641 | BT_DBG("%s num_rsp %d", hdev->name, num_rsp); | |
642 | ||
45bb4bf0 MH |
643 | if (!num_rsp) |
644 | return; | |
645 | ||
1da177e4 | 646 | hci_dev_lock(hdev); |
45bb4bf0 MH |
647 | |
648 | if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) { | |
649 | struct inquiry_info_with_rssi_and_pscan_mode *info = | |
650 | (struct inquiry_info_with_rssi_and_pscan_mode *) (skb->data + 1); | |
651 | ||
652 | for (; num_rsp; num_rsp--) { | |
653 | bacpy(&data.bdaddr, &info->bdaddr); | |
654 | data.pscan_rep_mode = info->pscan_rep_mode; | |
655 | data.pscan_period_mode = info->pscan_period_mode; | |
656 | data.pscan_mode = info->pscan_mode; | |
657 | memcpy(data.dev_class, info->dev_class, 3); | |
658 | data.clock_offset = info->clock_offset; | |
659 | data.rssi = info->rssi; | |
660 | info++; | |
661 | hci_inquiry_cache_update(hdev, &data); | |
662 | } | |
663 | } else { | |
664 | struct inquiry_info_with_rssi *info = | |
665 | (struct inquiry_info_with_rssi *) (skb->data + 1); | |
666 | ||
667 | for (; num_rsp; num_rsp--) { | |
668 | bacpy(&data.bdaddr, &info->bdaddr); | |
669 | data.pscan_rep_mode = info->pscan_rep_mode; | |
670 | data.pscan_period_mode = info->pscan_period_mode; | |
671 | data.pscan_mode = 0x00; | |
672 | memcpy(data.dev_class, info->dev_class, 3); | |
673 | data.clock_offset = info->clock_offset; | |
674 | data.rssi = info->rssi; | |
675 | info++; | |
676 | hci_inquiry_cache_update(hdev, &data); | |
677 | } | |
1da177e4 | 678 | } |
45bb4bf0 | 679 | |
1da177e4 LT |
680 | hci_dev_unlock(hdev); |
681 | } | |
682 | ||
21d9e30e MH |
683 | /* Extended Inquiry Result */ |
684 | static inline void hci_extended_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
685 | { | |
686 | struct inquiry_data data; | |
687 | struct extended_inquiry_info *info = (struct extended_inquiry_info *) (skb->data + 1); | |
688 | int num_rsp = *((__u8 *) skb->data); | |
689 | ||
690 | BT_DBG("%s num_rsp %d", hdev->name, num_rsp); | |
691 | ||
692 | if (!num_rsp) | |
693 | return; | |
694 | ||
695 | hci_dev_lock(hdev); | |
696 | ||
697 | for (; num_rsp; num_rsp--) { | |
698 | bacpy(&data.bdaddr, &info->bdaddr); | |
699 | data.pscan_rep_mode = info->pscan_rep_mode; | |
700 | data.pscan_period_mode = info->pscan_period_mode; | |
701 | data.pscan_mode = 0x00; | |
702 | memcpy(data.dev_class, info->dev_class, 3); | |
703 | data.clock_offset = info->clock_offset; | |
704 | data.rssi = info->rssi; | |
705 | info++; | |
706 | hci_inquiry_cache_update(hdev, &data); | |
707 | } | |
708 | ||
709 | hci_dev_unlock(hdev); | |
710 | } | |
711 | ||
1da177e4 LT |
712 | /* Connect Request */ |
713 | static inline void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
714 | { | |
715 | struct hci_ev_conn_request *ev = (struct hci_ev_conn_request *) skb->data; | |
716 | int mask = hdev->link_mode; | |
717 | ||
718 | BT_DBG("%s Connection request: %s type 0x%x", hdev->name, | |
719 | batostr(&ev->bdaddr), ev->link_type); | |
720 | ||
721 | mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type); | |
722 | ||
723 | if (mask & HCI_LM_ACCEPT) { | |
724 | /* Connection accepted */ | |
725 | struct hci_conn *conn; | |
726 | struct hci_cp_accept_conn_req cp; | |
727 | ||
728 | hci_dev_lock(hdev); | |
729 | conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr); | |
730 | if (!conn) { | |
731 | if (!(conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr))) { | |
732 | BT_ERR("No memmory for new connection"); | |
733 | hci_dev_unlock(hdev); | |
734 | return; | |
735 | } | |
736 | } | |
737 | memcpy(conn->dev_class, ev->dev_class, 3); | |
738 | conn->state = BT_CONNECT; | |
739 | hci_dev_unlock(hdev); | |
740 | ||
741 | bacpy(&cp.bdaddr, &ev->bdaddr); | |
742 | ||
743 | if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER)) | |
744 | cp.role = 0x00; /* Become master */ | |
745 | else | |
746 | cp.role = 0x01; /* Remain slave */ | |
747 | ||
04837f64 MH |
748 | hci_send_cmd(hdev, OGF_LINK_CTL, |
749 | OCF_ACCEPT_CONN_REQ, sizeof(cp), &cp); | |
1da177e4 LT |
750 | } else { |
751 | /* Connection rejected */ | |
752 | struct hci_cp_reject_conn_req cp; | |
753 | ||
754 | bacpy(&cp.bdaddr, &ev->bdaddr); | |
755 | cp.reason = 0x0f; | |
04837f64 MH |
756 | hci_send_cmd(hdev, OGF_LINK_CTL, |
757 | OCF_REJECT_CONN_REQ, sizeof(cp), &cp); | |
1da177e4 LT |
758 | } |
759 | } | |
760 | ||
761 | /* Connect Complete */ | |
762 | static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
763 | { | |
764 | struct hci_ev_conn_complete *ev = (struct hci_ev_conn_complete *) skb->data; | |
4c67bc74 | 765 | struct hci_conn *conn, *pend; |
1da177e4 LT |
766 | |
767 | BT_DBG("%s", hdev->name); | |
768 | ||
769 | hci_dev_lock(hdev); | |
770 | ||
771 | conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr); | |
772 | if (!conn) { | |
773 | hci_dev_unlock(hdev); | |
774 | return; | |
775 | } | |
776 | ||
777 | if (!ev->status) { | |
778 | conn->handle = __le16_to_cpu(ev->handle); | |
779 | conn->state = BT_CONNECTED; | |
780 | ||
781 | if (test_bit(HCI_AUTH, &hdev->flags)) | |
782 | conn->link_mode |= HCI_LM_AUTH; | |
783 | ||
784 | if (test_bit(HCI_ENCRYPT, &hdev->flags)) | |
785 | conn->link_mode |= HCI_LM_ENCRYPT; | |
786 | ||
04837f64 MH |
787 | /* Get remote features */ |
788 | if (conn->type == ACL_LINK) { | |
789 | struct hci_cp_read_remote_features cp; | |
790 | cp.handle = ev->handle; | |
791 | hci_send_cmd(hdev, OGF_LINK_CTL, | |
792 | OCF_READ_REMOTE_FEATURES, sizeof(cp), &cp); | |
793 | } | |
794 | ||
1da177e4 LT |
795 | /* Set link policy */ |
796 | if (conn->type == ACL_LINK && hdev->link_policy) { | |
797 | struct hci_cp_write_link_policy cp; | |
798 | cp.handle = ev->handle; | |
aca3192c | 799 | cp.policy = cpu_to_le16(hdev->link_policy); |
04837f64 MH |
800 | hci_send_cmd(hdev, OGF_LINK_POLICY, |
801 | OCF_WRITE_LINK_POLICY, sizeof(cp), &cp); | |
1da177e4 LT |
802 | } |
803 | ||
804 | /* Set packet type for incoming connection */ | |
805 | if (!conn->out) { | |
806 | struct hci_cp_change_conn_ptype cp; | |
807 | cp.handle = ev->handle; | |
8e87d142 | 808 | cp.pkt_type = (conn->type == ACL_LINK) ? |
aca3192c YH |
809 | cpu_to_le16(hdev->pkt_type & ACL_PTYPE_MASK): |
810 | cpu_to_le16(hdev->pkt_type & SCO_PTYPE_MASK); | |
1da177e4 | 811 | |
04837f64 MH |
812 | hci_send_cmd(hdev, OGF_LINK_CTL, |
813 | OCF_CHANGE_CONN_PTYPE, sizeof(cp), &cp); | |
37e97b4e MH |
814 | } else { |
815 | /* Update disconnect timer */ | |
816 | hci_conn_hold(conn); | |
817 | hci_conn_put(conn); | |
1da177e4 LT |
818 | } |
819 | } else | |
820 | conn->state = BT_CLOSED; | |
821 | ||
822 | if (conn->type == ACL_LINK) { | |
823 | struct hci_conn *sco = conn->link; | |
824 | if (sco) { | |
825 | if (!ev->status) | |
826 | hci_add_sco(sco, conn->handle); | |
827 | else { | |
828 | hci_proto_connect_cfm(sco, ev->status); | |
829 | hci_conn_del(sco); | |
830 | } | |
831 | } | |
832 | } | |
833 | ||
834 | hci_proto_connect_cfm(conn, ev->status); | |
835 | if (ev->status) | |
836 | hci_conn_del(conn); | |
837 | ||
4c67bc74 MH |
838 | pend = hci_conn_hash_lookup_state(hdev, ACL_LINK, BT_CONNECT2); |
839 | if (pend) | |
840 | hci_acl_connect(pend); | |
841 | ||
1da177e4 LT |
842 | hci_dev_unlock(hdev); |
843 | } | |
844 | ||
845 | /* Disconnect Complete */ | |
846 | static inline void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
847 | { | |
848 | struct hci_ev_disconn_complete *ev = (struct hci_ev_disconn_complete *) skb->data; | |
04837f64 | 849 | struct hci_conn *conn; |
1da177e4 LT |
850 | |
851 | BT_DBG("%s status %d", hdev->name, ev->status); | |
852 | ||
853 | if (ev->status) | |
854 | return; | |
855 | ||
856 | hci_dev_lock(hdev); | |
857 | ||
04837f64 | 858 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
1da177e4 LT |
859 | if (conn) { |
860 | conn->state = BT_CLOSED; | |
861 | hci_proto_disconn_ind(conn, ev->reason); | |
862 | hci_conn_del(conn); | |
863 | } | |
864 | ||
865 | hci_dev_unlock(hdev); | |
866 | } | |
867 | ||
868 | /* Number of completed packets */ | |
869 | static inline void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
870 | { | |
871 | struct hci_ev_num_comp_pkts *ev = (struct hci_ev_num_comp_pkts *) skb->data; | |
1ebb9252 | 872 | __le16 *ptr; |
1da177e4 LT |
873 | int i; |
874 | ||
875 | skb_pull(skb, sizeof(*ev)); | |
876 | ||
877 | BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl); | |
878 | ||
879 | if (skb->len < ev->num_hndl * 4) { | |
880 | BT_DBG("%s bad parameters", hdev->name); | |
881 | return; | |
882 | } | |
883 | ||
884 | tasklet_disable(&hdev->tx_task); | |
885 | ||
1ebb9252 | 886 | for (i = 0, ptr = (__le16 *) skb->data; i < ev->num_hndl; i++) { |
1da177e4 LT |
887 | struct hci_conn *conn; |
888 | __u16 handle, count; | |
889 | ||
890 | handle = __le16_to_cpu(get_unaligned(ptr++)); | |
891 | count = __le16_to_cpu(get_unaligned(ptr++)); | |
892 | ||
893 | conn = hci_conn_hash_lookup_handle(hdev, handle); | |
894 | if (conn) { | |
895 | conn->sent -= count; | |
896 | ||
5b7f9909 | 897 | if (conn->type == ACL_LINK) { |
1da177e4 LT |
898 | if ((hdev->acl_cnt += count) > hdev->acl_pkts) |
899 | hdev->acl_cnt = hdev->acl_pkts; | |
5b7f9909 MH |
900 | } else { |
901 | if ((hdev->sco_cnt += count) > hdev->sco_pkts) | |
902 | hdev->sco_cnt = hdev->sco_pkts; | |
1da177e4 LT |
903 | } |
904 | } | |
905 | } | |
906 | hci_sched_tx(hdev); | |
907 | ||
908 | tasklet_enable(&hdev->tx_task); | |
909 | } | |
910 | ||
911 | /* Role Change */ | |
912 | static inline void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
913 | { | |
914 | struct hci_ev_role_change *ev = (struct hci_ev_role_change *) skb->data; | |
04837f64 | 915 | struct hci_conn *conn; |
1da177e4 LT |
916 | |
917 | BT_DBG("%s status %d", hdev->name, ev->status); | |
918 | ||
919 | hci_dev_lock(hdev); | |
920 | ||
921 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
922 | if (conn) { | |
923 | if (!ev->status) { | |
924 | if (ev->role) | |
925 | conn->link_mode &= ~HCI_LM_MASTER; | |
926 | else | |
927 | conn->link_mode |= HCI_LM_MASTER; | |
928 | } | |
929 | ||
930 | clear_bit(HCI_CONN_RSWITCH_PEND, &conn->pend); | |
931 | ||
932 | hci_role_switch_cfm(conn, ev->status, ev->role); | |
933 | } | |
934 | ||
935 | hci_dev_unlock(hdev); | |
936 | } | |
937 | ||
04837f64 MH |
938 | /* Mode Change */ |
939 | static inline void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
940 | { | |
941 | struct hci_ev_mode_change *ev = (struct hci_ev_mode_change *) skb->data; | |
942 | struct hci_conn *conn; | |
943 | ||
944 | BT_DBG("%s status %d", hdev->name, ev->status); | |
945 | ||
946 | hci_dev_lock(hdev); | |
947 | ||
948 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
949 | if (conn) { | |
950 | conn->mode = ev->mode; | |
951 | conn->interval = __le16_to_cpu(ev->interval); | |
952 | ||
953 | if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend)) { | |
954 | if (conn->mode == HCI_CM_ACTIVE) | |
955 | conn->power_save = 1; | |
956 | else | |
957 | conn->power_save = 0; | |
958 | } | |
959 | } | |
960 | ||
961 | hci_dev_unlock(hdev); | |
962 | } | |
963 | ||
1da177e4 LT |
964 | /* Authentication Complete */ |
965 | static inline void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
966 | { | |
967 | struct hci_ev_auth_complete *ev = (struct hci_ev_auth_complete *) skb->data; | |
04837f64 | 968 | struct hci_conn *conn; |
1da177e4 LT |
969 | |
970 | BT_DBG("%s status %d", hdev->name, ev->status); | |
971 | ||
972 | hci_dev_lock(hdev); | |
973 | ||
04837f64 | 974 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
1da177e4 LT |
975 | if (conn) { |
976 | if (!ev->status) | |
977 | conn->link_mode |= HCI_LM_AUTH; | |
978 | ||
979 | clear_bit(HCI_CONN_AUTH_PEND, &conn->pend); | |
980 | ||
981 | hci_auth_cfm(conn, ev->status); | |
982 | ||
983 | if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) { | |
984 | if (!ev->status) { | |
985 | struct hci_cp_set_conn_encrypt cp; | |
aca3192c | 986 | cp.handle = cpu_to_le16(conn->handle); |
1da177e4 LT |
987 | cp.encrypt = 1; |
988 | hci_send_cmd(conn->hdev, OGF_LINK_CTL, | |
04837f64 | 989 | OCF_SET_CONN_ENCRYPT, sizeof(cp), &cp); |
1da177e4 LT |
990 | } else { |
991 | clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend); | |
992 | hci_encrypt_cfm(conn, ev->status, 0x00); | |
993 | } | |
994 | } | |
995 | } | |
996 | ||
997 | hci_dev_unlock(hdev); | |
998 | } | |
999 | ||
1000 | /* Encryption Change */ | |
1001 | static inline void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
1002 | { | |
1003 | struct hci_ev_encrypt_change *ev = (struct hci_ev_encrypt_change *) skb->data; | |
04837f64 | 1004 | struct hci_conn *conn; |
1da177e4 LT |
1005 | |
1006 | BT_DBG("%s status %d", hdev->name, ev->status); | |
1007 | ||
1008 | hci_dev_lock(hdev); | |
1009 | ||
04837f64 | 1010 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
1da177e4 LT |
1011 | if (conn) { |
1012 | if (!ev->status) { | |
1013 | if (ev->encrypt) | |
1014 | conn->link_mode |= HCI_LM_ENCRYPT; | |
1015 | else | |
1016 | conn->link_mode &= ~HCI_LM_ENCRYPT; | |
1017 | } | |
1018 | ||
1019 | clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend); | |
1020 | ||
1021 | hci_encrypt_cfm(conn, ev->status, ev->encrypt); | |
1022 | } | |
1023 | ||
1024 | hci_dev_unlock(hdev); | |
1025 | } | |
1026 | ||
1027 | /* Change Connection Link Key Complete */ | |
1028 | static inline void hci_change_conn_link_key_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
1029 | { | |
1030 | struct hci_ev_change_conn_link_key_complete *ev = (struct hci_ev_change_conn_link_key_complete *) skb->data; | |
04837f64 | 1031 | struct hci_conn *conn; |
1da177e4 LT |
1032 | |
1033 | BT_DBG("%s status %d", hdev->name, ev->status); | |
1034 | ||
1035 | hci_dev_lock(hdev); | |
1036 | ||
04837f64 | 1037 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
1da177e4 LT |
1038 | if (conn) { |
1039 | if (!ev->status) | |
1040 | conn->link_mode |= HCI_LM_SECURE; | |
1041 | ||
1042 | clear_bit(HCI_CONN_AUTH_PEND, &conn->pend); | |
1043 | ||
1044 | hci_key_change_cfm(conn, ev->status); | |
1045 | } | |
1046 | ||
1047 | hci_dev_unlock(hdev); | |
1048 | } | |
1049 | ||
1050 | /* Pin Code Request*/ | |
1051 | static inline void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
1052 | { | |
1053 | } | |
1054 | ||
1055 | /* Link Key Request */ | |
1056 | static inline void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
1057 | { | |
1058 | } | |
1059 | ||
1060 | /* Link Key Notification */ | |
1061 | static inline void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
1062 | { | |
1063 | } | |
1064 | ||
04837f64 MH |
1065 | /* Remote Features */ |
1066 | static inline void hci_remote_features_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
1067 | { | |
1068 | struct hci_ev_remote_features *ev = (struct hci_ev_remote_features *) skb->data; | |
1069 | struct hci_conn *conn; | |
1070 | ||
1071 | BT_DBG("%s status %d", hdev->name, ev->status); | |
1072 | ||
1073 | hci_dev_lock(hdev); | |
1074 | ||
1075 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
1076 | if (conn && !ev->status) { | |
1077 | memcpy(conn->features, ev->features, sizeof(conn->features)); | |
1078 | } | |
1079 | ||
1080 | hci_dev_unlock(hdev); | |
1081 | } | |
1082 | ||
1da177e4 LT |
1083 | /* Clock Offset */ |
1084 | static inline void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
1085 | { | |
1086 | struct hci_ev_clock_offset *ev = (struct hci_ev_clock_offset *) skb->data; | |
04837f64 | 1087 | struct hci_conn *conn; |
1da177e4 LT |
1088 | |
1089 | BT_DBG("%s status %d", hdev->name, ev->status); | |
1090 | ||
1091 | hci_dev_lock(hdev); | |
1092 | ||
04837f64 | 1093 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
1da177e4 LT |
1094 | if (conn && !ev->status) { |
1095 | struct inquiry_entry *ie; | |
1096 | ||
1097 | if ((ie = hci_inquiry_cache_lookup(hdev, &conn->dst))) { | |
1098 | ie->data.clock_offset = ev->clock_offset; | |
1099 | ie->timestamp = jiffies; | |
1100 | } | |
1101 | } | |
1102 | ||
1103 | hci_dev_unlock(hdev); | |
1104 | } | |
1105 | ||
85a1e930 MH |
1106 | /* Page Scan Repetition Mode */ |
1107 | static inline void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
1108 | { | |
1109 | struct hci_ev_pscan_rep_mode *ev = (struct hci_ev_pscan_rep_mode *) skb->data; | |
1110 | struct inquiry_entry *ie; | |
1111 | ||
1112 | BT_DBG("%s", hdev->name); | |
1113 | ||
1114 | hci_dev_lock(hdev); | |
1115 | ||
1116 | if ((ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr))) { | |
1117 | ie->data.pscan_rep_mode = ev->pscan_rep_mode; | |
1118 | ie->timestamp = jiffies; | |
1119 | } | |
1120 | ||
1121 | hci_dev_unlock(hdev); | |
1122 | } | |
1123 | ||
04837f64 MH |
1124 | /* Sniff Subrate */ |
1125 | static inline void hci_sniff_subrate_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
1126 | { | |
1127 | struct hci_ev_sniff_subrate *ev = (struct hci_ev_sniff_subrate *) skb->data; | |
1128 | struct hci_conn *conn; | |
1129 | ||
1130 | BT_DBG("%s status %d", hdev->name, ev->status); | |
1131 | ||
1132 | hci_dev_lock(hdev); | |
1133 | ||
1134 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
1135 | if (conn) { | |
1136 | } | |
1137 | ||
1138 | hci_dev_unlock(hdev); | |
1139 | } | |
1140 | ||
1da177e4 LT |
1141 | void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb) |
1142 | { | |
1143 | struct hci_event_hdr *hdr = (struct hci_event_hdr *) skb->data; | |
1144 | struct hci_ev_cmd_complete *ec; | |
1145 | struct hci_ev_cmd_status *cs; | |
1146 | u16 opcode, ocf, ogf; | |
1147 | ||
1148 | skb_pull(skb, HCI_EVENT_HDR_SIZE); | |
1149 | ||
1150 | BT_DBG("%s evt 0x%x", hdev->name, hdr->evt); | |
1151 | ||
1152 | switch (hdr->evt) { | |
1153 | case HCI_EV_NUM_COMP_PKTS: | |
1154 | hci_num_comp_pkts_evt(hdev, skb); | |
1155 | break; | |
1156 | ||
1157 | case HCI_EV_INQUIRY_COMPLETE: | |
1158 | hci_inquiry_complete_evt(hdev, skb); | |
1159 | break; | |
1160 | ||
1161 | case HCI_EV_INQUIRY_RESULT: | |
1162 | hci_inquiry_result_evt(hdev, skb); | |
1163 | break; | |
1164 | ||
1165 | case HCI_EV_INQUIRY_RESULT_WITH_RSSI: | |
1166 | hci_inquiry_result_with_rssi_evt(hdev, skb); | |
1167 | break; | |
1168 | ||
21d9e30e MH |
1169 | case HCI_EV_EXTENDED_INQUIRY_RESULT: |
1170 | hci_extended_inquiry_result_evt(hdev, skb); | |
1171 | break; | |
1172 | ||
1da177e4 LT |
1173 | case HCI_EV_CONN_REQUEST: |
1174 | hci_conn_request_evt(hdev, skb); | |
1175 | break; | |
1176 | ||
1177 | case HCI_EV_CONN_COMPLETE: | |
1178 | hci_conn_complete_evt(hdev, skb); | |
1179 | break; | |
1180 | ||
1181 | case HCI_EV_DISCONN_COMPLETE: | |
1182 | hci_disconn_complete_evt(hdev, skb); | |
1183 | break; | |
1184 | ||
1185 | case HCI_EV_ROLE_CHANGE: | |
1186 | hci_role_change_evt(hdev, skb); | |
1187 | break; | |
1188 | ||
04837f64 MH |
1189 | case HCI_EV_MODE_CHANGE: |
1190 | hci_mode_change_evt(hdev, skb); | |
1191 | break; | |
1192 | ||
1da177e4 LT |
1193 | case HCI_EV_AUTH_COMPLETE: |
1194 | hci_auth_complete_evt(hdev, skb); | |
1195 | break; | |
1196 | ||
1197 | case HCI_EV_ENCRYPT_CHANGE: | |
1198 | hci_encrypt_change_evt(hdev, skb); | |
1199 | break; | |
1200 | ||
1201 | case HCI_EV_CHANGE_CONN_LINK_KEY_COMPLETE: | |
1202 | hci_change_conn_link_key_complete_evt(hdev, skb); | |
1203 | break; | |
1204 | ||
1205 | case HCI_EV_PIN_CODE_REQ: | |
1206 | hci_pin_code_request_evt(hdev, skb); | |
1207 | break; | |
1208 | ||
1209 | case HCI_EV_LINK_KEY_REQ: | |
1210 | hci_link_key_request_evt(hdev, skb); | |
1211 | break; | |
1212 | ||
1213 | case HCI_EV_LINK_KEY_NOTIFY: | |
1214 | hci_link_key_notify_evt(hdev, skb); | |
1215 | break; | |
1216 | ||
04837f64 MH |
1217 | case HCI_EV_REMOTE_FEATURES: |
1218 | hci_remote_features_evt(hdev, skb); | |
1219 | break; | |
1220 | ||
1da177e4 LT |
1221 | case HCI_EV_CLOCK_OFFSET: |
1222 | hci_clock_offset_evt(hdev, skb); | |
1223 | break; | |
1224 | ||
85a1e930 MH |
1225 | case HCI_EV_PSCAN_REP_MODE: |
1226 | hci_pscan_rep_mode_evt(hdev, skb); | |
1227 | break; | |
1228 | ||
04837f64 MH |
1229 | case HCI_EV_SNIFF_SUBRATE: |
1230 | hci_sniff_subrate_evt(hdev, skb); | |
1231 | break; | |
1232 | ||
1da177e4 LT |
1233 | case HCI_EV_CMD_STATUS: |
1234 | cs = (struct hci_ev_cmd_status *) skb->data; | |
1235 | skb_pull(skb, sizeof(cs)); | |
1236 | ||
1237 | opcode = __le16_to_cpu(cs->opcode); | |
1238 | ogf = hci_opcode_ogf(opcode); | |
1239 | ocf = hci_opcode_ocf(opcode); | |
1240 | ||
1241 | switch (ogf) { | |
1242 | case OGF_INFO_PARAM: | |
1243 | hci_cs_info_param(hdev, ocf, cs->status); | |
1244 | break; | |
1245 | ||
1246 | case OGF_HOST_CTL: | |
1247 | hci_cs_host_ctl(hdev, ocf, cs->status); | |
1248 | break; | |
1249 | ||
1250 | case OGF_LINK_CTL: | |
1251 | hci_cs_link_ctl(hdev, ocf, cs->status); | |
1252 | break; | |
1253 | ||
1254 | case OGF_LINK_POLICY: | |
1255 | hci_cs_link_policy(hdev, ocf, cs->status); | |
1256 | break; | |
1257 | ||
1258 | default: | |
1259 | BT_DBG("%s Command Status OGF %x", hdev->name, ogf); | |
1260 | break; | |
1261 | } | |
1262 | ||
1263 | if (cs->ncmd) { | |
1264 | atomic_set(&hdev->cmd_cnt, 1); | |
1265 | if (!skb_queue_empty(&hdev->cmd_q)) | |
1266 | hci_sched_cmd(hdev); | |
1267 | } | |
1268 | break; | |
1269 | ||
1270 | case HCI_EV_CMD_COMPLETE: | |
1271 | ec = (struct hci_ev_cmd_complete *) skb->data; | |
1272 | skb_pull(skb, sizeof(*ec)); | |
1273 | ||
1274 | opcode = __le16_to_cpu(ec->opcode); | |
1275 | ogf = hci_opcode_ogf(opcode); | |
1276 | ocf = hci_opcode_ocf(opcode); | |
1277 | ||
1278 | switch (ogf) { | |
1279 | case OGF_INFO_PARAM: | |
1280 | hci_cc_info_param(hdev, ocf, skb); | |
1281 | break; | |
1282 | ||
1283 | case OGF_HOST_CTL: | |
1284 | hci_cc_host_ctl(hdev, ocf, skb); | |
1285 | break; | |
1286 | ||
1287 | case OGF_LINK_CTL: | |
1288 | hci_cc_link_ctl(hdev, ocf, skb); | |
1289 | break; | |
1290 | ||
1291 | case OGF_LINK_POLICY: | |
1292 | hci_cc_link_policy(hdev, ocf, skb); | |
1293 | break; | |
1294 | ||
1295 | default: | |
1296 | BT_DBG("%s Command Completed OGF %x", hdev->name, ogf); | |
1297 | break; | |
1298 | } | |
1299 | ||
1300 | if (ec->ncmd) { | |
1301 | atomic_set(&hdev->cmd_cnt, 1); | |
1302 | if (!skb_queue_empty(&hdev->cmd_q)) | |
1303 | hci_sched_cmd(hdev); | |
1304 | } | |
1305 | break; | |
1306 | } | |
1307 | ||
1308 | kfree_skb(skb); | |
1309 | hdev->stat.evt_rx++; | |
1310 | } | |
1311 | ||
1312 | /* Generate internal stack event */ | |
1313 | void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data) | |
1314 | { | |
1315 | struct hci_event_hdr *hdr; | |
1316 | struct hci_ev_stack_internal *ev; | |
1317 | struct sk_buff *skb; | |
1318 | ||
1319 | skb = bt_skb_alloc(HCI_EVENT_HDR_SIZE + sizeof(*ev) + dlen, GFP_ATOMIC); | |
1320 | if (!skb) | |
1321 | return; | |
1322 | ||
1323 | hdr = (void *) skb_put(skb, HCI_EVENT_HDR_SIZE); | |
1324 | hdr->evt = HCI_EV_STACK_INTERNAL; | |
1325 | hdr->plen = sizeof(*ev) + dlen; | |
1326 | ||
1327 | ev = (void *) skb_put(skb, sizeof(*ev) + dlen); | |
1328 | ev->type = type; | |
1329 | memcpy(ev->data, data, dlen); | |
1330 | ||
576c7d85 | 1331 | bt_cb(skb)->incoming = 1; |
a61bbcf2 | 1332 | __net_timestamp(skb); |
576c7d85 | 1333 | |
0d48d939 | 1334 | bt_cb(skb)->pkt_type = HCI_EVENT_PKT; |
1da177e4 LT |
1335 | skb->dev = (void *) hdev; |
1336 | hci_send_to_sock(hdev, skb); | |
1337 | kfree_skb(skb); | |
1338 | } |