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 | ||
353 | if (hdev->features[1] & LMP_HV2) | |
354 | hdev->pkt_type |= (HCI_HV2); | |
355 | ||
356 | if (hdev->features[1] & LMP_HV3) | |
357 | hdev->pkt_type |= (HCI_HV3); | |
358 | ||
1143e5a6 MH |
359 | BT_DBG("%s: features 0x%x 0x%x 0x%x", hdev->name, |
360 | lf->features[0], lf->features[1], lf->features[2]); | |
1da177e4 LT |
361 | |
362 | break; | |
363 | ||
364 | case OCF_READ_BUFFER_SIZE: | |
365 | bs = (struct hci_rp_read_buffer_size *) skb->data; | |
366 | ||
367 | if (bs->status) { | |
368 | BT_DBG("%s READ_BUFFER_SIZE failed %d", hdev->name, bs->status); | |
369 | hci_req_complete(hdev, bs->status); | |
370 | break; | |
371 | } | |
372 | ||
373 | hdev->acl_mtu = __le16_to_cpu(bs->acl_mtu); | |
da1f5198 MH |
374 | hdev->sco_mtu = bs->sco_mtu; |
375 | hdev->acl_pkts = __le16_to_cpu(bs->acl_max_pkt); | |
376 | hdev->sco_pkts = __le16_to_cpu(bs->sco_max_pkt); | |
377 | ||
378 | if (test_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks)) { | |
379 | hdev->sco_mtu = 64; | |
380 | hdev->sco_pkts = 8; | |
381 | } | |
382 | ||
383 | hdev->acl_cnt = hdev->acl_pkts; | |
384 | hdev->sco_cnt = hdev->sco_pkts; | |
1da177e4 LT |
385 | |
386 | BT_DBG("%s mtu: acl %d, sco %d max_pkt: acl %d, sco %d", hdev->name, | |
387 | hdev->acl_mtu, hdev->sco_mtu, hdev->acl_pkts, hdev->sco_pkts); | |
388 | break; | |
389 | ||
390 | case OCF_READ_BD_ADDR: | |
391 | ba = (struct hci_rp_read_bd_addr *) skb->data; | |
392 | ||
393 | if (!ba->status) { | |
394 | bacpy(&hdev->bdaddr, &ba->bdaddr); | |
395 | } else { | |
396 | BT_DBG("%s: READ_BD_ADDR failed %d", hdev->name, ba->status); | |
397 | } | |
398 | ||
399 | hci_req_complete(hdev, ba->status); | |
400 | break; | |
401 | ||
402 | default: | |
403 | BT_DBG("%s Command complete: ogf INFO_PARAM ocf %x", hdev->name, ocf); | |
404 | break; | |
405 | } | |
406 | } | |
407 | ||
408 | /* Command Status OGF LINK_CTL */ | |
409 | static inline void hci_cs_create_conn(struct hci_dev *hdev, __u8 status) | |
410 | { | |
411 | struct hci_conn *conn; | |
412 | struct hci_cp_create_conn *cp = hci_sent_cmd_data(hdev, OGF_LINK_CTL, OCF_CREATE_CONN); | |
413 | ||
414 | if (!cp) | |
415 | return; | |
416 | ||
417 | hci_dev_lock(hdev); | |
418 | ||
419 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); | |
420 | ||
421 | BT_DBG("%s status 0x%x bdaddr %s conn %p", hdev->name, | |
422 | status, batostr(&cp->bdaddr), conn); | |
423 | ||
424 | if (status) { | |
425 | if (conn && conn->state == BT_CONNECT) { | |
4c67bc74 MH |
426 | if (status != 0x0c || conn->attempt > 2) { |
427 | conn->state = BT_CLOSED; | |
428 | hci_proto_connect_cfm(conn, status); | |
429 | hci_conn_del(conn); | |
430 | } else | |
431 | conn->state = BT_CONNECT2; | |
1da177e4 LT |
432 | } |
433 | } else { | |
434 | if (!conn) { | |
435 | conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr); | |
436 | if (conn) { | |
437 | conn->out = 1; | |
438 | conn->link_mode |= HCI_LM_MASTER; | |
439 | } else | |
440 | BT_ERR("No memmory for new connection"); | |
441 | } | |
442 | } | |
443 | ||
444 | hci_dev_unlock(hdev); | |
445 | } | |
446 | ||
447 | static void hci_cs_link_ctl(struct hci_dev *hdev, __u16 ocf, __u8 status) | |
448 | { | |
449 | BT_DBG("%s ocf 0x%x", hdev->name, ocf); | |
450 | ||
451 | switch (ocf) { | |
452 | case OCF_CREATE_CONN: | |
453 | hci_cs_create_conn(hdev, status); | |
454 | break; | |
455 | ||
456 | case OCF_ADD_SCO: | |
457 | if (status) { | |
458 | struct hci_conn *acl, *sco; | |
459 | struct hci_cp_add_sco *cp = hci_sent_cmd_data(hdev, OGF_LINK_CTL, OCF_ADD_SCO); | |
460 | __u16 handle; | |
461 | ||
462 | if (!cp) | |
463 | break; | |
464 | ||
465 | handle = __le16_to_cpu(cp->handle); | |
466 | ||
467 | BT_DBG("%s Add SCO error: handle %d status 0x%x", hdev->name, handle, status); | |
468 | ||
469 | hci_dev_lock(hdev); | |
470 | ||
471 | acl = hci_conn_hash_lookup_handle(hdev, handle); | |
472 | if (acl && (sco = acl->link)) { | |
473 | sco->state = BT_CLOSED; | |
474 | ||
475 | hci_proto_connect_cfm(sco, status); | |
476 | hci_conn_del(sco); | |
477 | } | |
478 | ||
479 | hci_dev_unlock(hdev); | |
480 | } | |
481 | break; | |
482 | ||
483 | case OCF_INQUIRY: | |
484 | if (status) { | |
485 | BT_DBG("%s Inquiry error: status 0x%x", hdev->name, status); | |
486 | hci_req_complete(hdev, status); | |
487 | } else { | |
488 | set_bit(HCI_INQUIRY, &hdev->flags); | |
489 | } | |
490 | break; | |
491 | ||
492 | default: | |
8e87d142 | 493 | BT_DBG("%s Command status: ogf LINK_CTL ocf %x status %d", |
1da177e4 LT |
494 | hdev->name, ocf, status); |
495 | break; | |
496 | } | |
497 | } | |
498 | ||
499 | /* Command Status OGF LINK_POLICY */ | |
500 | static void hci_cs_link_policy(struct hci_dev *hdev, __u16 ocf, __u8 status) | |
501 | { | |
502 | BT_DBG("%s ocf 0x%x", hdev->name, ocf); | |
503 | ||
504 | switch (ocf) { | |
04837f64 MH |
505 | case OCF_SNIFF_MODE: |
506 | if (status) { | |
507 | struct hci_conn *conn; | |
508 | struct hci_cp_sniff_mode *cp = hci_sent_cmd_data(hdev, OGF_LINK_POLICY, OCF_SNIFF_MODE); | |
509 | ||
510 | if (!cp) | |
511 | break; | |
512 | ||
513 | hci_dev_lock(hdev); | |
514 | ||
515 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
516 | if (conn) { | |
517 | clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend); | |
518 | } | |
519 | ||
520 | hci_dev_unlock(hdev); | |
521 | } | |
522 | break; | |
523 | ||
524 | case OCF_EXIT_SNIFF_MODE: | |
525 | if (status) { | |
526 | struct hci_conn *conn; | |
527 | struct hci_cp_exit_sniff_mode *cp = hci_sent_cmd_data(hdev, OGF_LINK_POLICY, OCF_EXIT_SNIFF_MODE); | |
528 | ||
529 | if (!cp) | |
530 | break; | |
531 | ||
532 | hci_dev_lock(hdev); | |
533 | ||
534 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
535 | if (conn) { | |
536 | clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend); | |
537 | } | |
538 | ||
539 | hci_dev_unlock(hdev); | |
540 | } | |
541 | break; | |
542 | ||
1da177e4 | 543 | default: |
04837f64 | 544 | BT_DBG("%s Command status: ogf LINK_POLICY ocf %x", hdev->name, ocf); |
1da177e4 LT |
545 | break; |
546 | } | |
547 | } | |
548 | ||
549 | /* Command Status OGF HOST_CTL */ | |
550 | static void hci_cs_host_ctl(struct hci_dev *hdev, __u16 ocf, __u8 status) | |
551 | { | |
552 | BT_DBG("%s ocf 0x%x", hdev->name, ocf); | |
553 | ||
554 | switch (ocf) { | |
555 | default: | |
556 | BT_DBG("%s Command status: ogf HOST_CTL ocf %x", hdev->name, ocf); | |
557 | break; | |
558 | } | |
559 | } | |
560 | ||
561 | /* Command Status OGF INFO_PARAM */ | |
562 | static void hci_cs_info_param(struct hci_dev *hdev, __u16 ocf, __u8 status) | |
563 | { | |
564 | BT_DBG("%s: hci_cs_info_param: ocf 0x%x", hdev->name, ocf); | |
565 | ||
566 | switch (ocf) { | |
567 | default: | |
568 | BT_DBG("%s Command status: ogf INFO_PARAM ocf %x", hdev->name, ocf); | |
569 | break; | |
570 | } | |
571 | } | |
572 | ||
573 | /* Inquiry Complete */ | |
574 | static inline void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
575 | { | |
576 | __u8 status = *((__u8 *) skb->data); | |
6bd57416 | 577 | struct hci_conn *pend; |
1da177e4 LT |
578 | |
579 | BT_DBG("%s status %d", hdev->name, status); | |
580 | ||
581 | clear_bit(HCI_INQUIRY, &hdev->flags); | |
582 | hci_req_complete(hdev, status); | |
6bd57416 MH |
583 | |
584 | hci_dev_lock(hdev); | |
585 | ||
586 | pend = hci_conn_hash_lookup_state(hdev, ACL_LINK, BT_CONNECT2); | |
587 | if (pend) | |
588 | hci_acl_connect(pend); | |
589 | ||
590 | hci_dev_unlock(hdev); | |
1da177e4 LT |
591 | } |
592 | ||
593 | /* Inquiry Result */ | |
594 | static inline void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
595 | { | |
45bb4bf0 | 596 | struct inquiry_data data; |
1da177e4 LT |
597 | struct inquiry_info *info = (struct inquiry_info *) (skb->data + 1); |
598 | int num_rsp = *((__u8 *) skb->data); | |
599 | ||
600 | BT_DBG("%s num_rsp %d", hdev->name, num_rsp); | |
601 | ||
45bb4bf0 MH |
602 | if (!num_rsp) |
603 | return; | |
604 | ||
1da177e4 | 605 | hci_dev_lock(hdev); |
45bb4bf0 | 606 | |
1da177e4 | 607 | for (; num_rsp; num_rsp--) { |
1da177e4 LT |
608 | bacpy(&data.bdaddr, &info->bdaddr); |
609 | data.pscan_rep_mode = info->pscan_rep_mode; | |
610 | data.pscan_period_mode = info->pscan_period_mode; | |
611 | data.pscan_mode = info->pscan_mode; | |
612 | memcpy(data.dev_class, info->dev_class, 3); | |
613 | data.clock_offset = info->clock_offset; | |
614 | data.rssi = 0x00; | |
615 | info++; | |
616 | hci_inquiry_cache_update(hdev, &data); | |
617 | } | |
45bb4bf0 | 618 | |
1da177e4 LT |
619 | hci_dev_unlock(hdev); |
620 | } | |
621 | ||
622 | /* Inquiry Result With RSSI */ | |
623 | static inline void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
624 | { | |
45bb4bf0 | 625 | struct inquiry_data data; |
1da177e4 LT |
626 | int num_rsp = *((__u8 *) skb->data); |
627 | ||
628 | BT_DBG("%s num_rsp %d", hdev->name, num_rsp); | |
629 | ||
45bb4bf0 MH |
630 | if (!num_rsp) |
631 | return; | |
632 | ||
1da177e4 | 633 | hci_dev_lock(hdev); |
45bb4bf0 MH |
634 | |
635 | if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) { | |
636 | struct inquiry_info_with_rssi_and_pscan_mode *info = | |
637 | (struct inquiry_info_with_rssi_and_pscan_mode *) (skb->data + 1); | |
638 | ||
639 | for (; num_rsp; num_rsp--) { | |
640 | bacpy(&data.bdaddr, &info->bdaddr); | |
641 | data.pscan_rep_mode = info->pscan_rep_mode; | |
642 | data.pscan_period_mode = info->pscan_period_mode; | |
643 | data.pscan_mode = info->pscan_mode; | |
644 | memcpy(data.dev_class, info->dev_class, 3); | |
645 | data.clock_offset = info->clock_offset; | |
646 | data.rssi = info->rssi; | |
647 | info++; | |
648 | hci_inquiry_cache_update(hdev, &data); | |
649 | } | |
650 | } else { | |
651 | struct inquiry_info_with_rssi *info = | |
652 | (struct inquiry_info_with_rssi *) (skb->data + 1); | |
653 | ||
654 | for (; num_rsp; num_rsp--) { | |
655 | bacpy(&data.bdaddr, &info->bdaddr); | |
656 | data.pscan_rep_mode = info->pscan_rep_mode; | |
657 | data.pscan_period_mode = info->pscan_period_mode; | |
658 | data.pscan_mode = 0x00; | |
659 | memcpy(data.dev_class, info->dev_class, 3); | |
660 | data.clock_offset = info->clock_offset; | |
661 | data.rssi = info->rssi; | |
662 | info++; | |
663 | hci_inquiry_cache_update(hdev, &data); | |
664 | } | |
1da177e4 | 665 | } |
45bb4bf0 | 666 | |
1da177e4 LT |
667 | hci_dev_unlock(hdev); |
668 | } | |
669 | ||
21d9e30e MH |
670 | /* Extended Inquiry Result */ |
671 | static inline void hci_extended_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
672 | { | |
673 | struct inquiry_data data; | |
674 | struct extended_inquiry_info *info = (struct extended_inquiry_info *) (skb->data + 1); | |
675 | int num_rsp = *((__u8 *) skb->data); | |
676 | ||
677 | BT_DBG("%s num_rsp %d", hdev->name, num_rsp); | |
678 | ||
679 | if (!num_rsp) | |
680 | return; | |
681 | ||
682 | hci_dev_lock(hdev); | |
683 | ||
684 | for (; num_rsp; num_rsp--) { | |
685 | bacpy(&data.bdaddr, &info->bdaddr); | |
686 | data.pscan_rep_mode = info->pscan_rep_mode; | |
687 | data.pscan_period_mode = info->pscan_period_mode; | |
688 | data.pscan_mode = 0x00; | |
689 | memcpy(data.dev_class, info->dev_class, 3); | |
690 | data.clock_offset = info->clock_offset; | |
691 | data.rssi = info->rssi; | |
692 | info++; | |
693 | hci_inquiry_cache_update(hdev, &data); | |
694 | } | |
695 | ||
696 | hci_dev_unlock(hdev); | |
697 | } | |
698 | ||
1da177e4 LT |
699 | /* Connect Request */ |
700 | static inline void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
701 | { | |
702 | struct hci_ev_conn_request *ev = (struct hci_ev_conn_request *) skb->data; | |
703 | int mask = hdev->link_mode; | |
704 | ||
705 | BT_DBG("%s Connection request: %s type 0x%x", hdev->name, | |
706 | batostr(&ev->bdaddr), ev->link_type); | |
707 | ||
708 | mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type); | |
709 | ||
710 | if (mask & HCI_LM_ACCEPT) { | |
711 | /* Connection accepted */ | |
712 | struct hci_conn *conn; | |
713 | struct hci_cp_accept_conn_req cp; | |
714 | ||
715 | hci_dev_lock(hdev); | |
716 | conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr); | |
717 | if (!conn) { | |
718 | if (!(conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr))) { | |
719 | BT_ERR("No memmory for new connection"); | |
720 | hci_dev_unlock(hdev); | |
721 | return; | |
722 | } | |
723 | } | |
724 | memcpy(conn->dev_class, ev->dev_class, 3); | |
725 | conn->state = BT_CONNECT; | |
726 | hci_dev_unlock(hdev); | |
727 | ||
728 | bacpy(&cp.bdaddr, &ev->bdaddr); | |
729 | ||
730 | if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER)) | |
731 | cp.role = 0x00; /* Become master */ | |
732 | else | |
733 | cp.role = 0x01; /* Remain slave */ | |
734 | ||
04837f64 MH |
735 | hci_send_cmd(hdev, OGF_LINK_CTL, |
736 | OCF_ACCEPT_CONN_REQ, sizeof(cp), &cp); | |
1da177e4 LT |
737 | } else { |
738 | /* Connection rejected */ | |
739 | struct hci_cp_reject_conn_req cp; | |
740 | ||
741 | bacpy(&cp.bdaddr, &ev->bdaddr); | |
742 | cp.reason = 0x0f; | |
04837f64 MH |
743 | hci_send_cmd(hdev, OGF_LINK_CTL, |
744 | OCF_REJECT_CONN_REQ, sizeof(cp), &cp); | |
1da177e4 LT |
745 | } |
746 | } | |
747 | ||
748 | /* Connect Complete */ | |
749 | static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
750 | { | |
751 | struct hci_ev_conn_complete *ev = (struct hci_ev_conn_complete *) skb->data; | |
4c67bc74 | 752 | struct hci_conn *conn, *pend; |
1da177e4 LT |
753 | |
754 | BT_DBG("%s", hdev->name); | |
755 | ||
756 | hci_dev_lock(hdev); | |
757 | ||
758 | conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr); | |
759 | if (!conn) { | |
760 | hci_dev_unlock(hdev); | |
761 | return; | |
762 | } | |
763 | ||
764 | if (!ev->status) { | |
765 | conn->handle = __le16_to_cpu(ev->handle); | |
766 | conn->state = BT_CONNECTED; | |
767 | ||
768 | if (test_bit(HCI_AUTH, &hdev->flags)) | |
769 | conn->link_mode |= HCI_LM_AUTH; | |
770 | ||
771 | if (test_bit(HCI_ENCRYPT, &hdev->flags)) | |
772 | conn->link_mode |= HCI_LM_ENCRYPT; | |
773 | ||
04837f64 MH |
774 | /* Get remote features */ |
775 | if (conn->type == ACL_LINK) { | |
776 | struct hci_cp_read_remote_features cp; | |
777 | cp.handle = ev->handle; | |
778 | hci_send_cmd(hdev, OGF_LINK_CTL, | |
779 | OCF_READ_REMOTE_FEATURES, sizeof(cp), &cp); | |
780 | } | |
781 | ||
1da177e4 LT |
782 | /* Set link policy */ |
783 | if (conn->type == ACL_LINK && hdev->link_policy) { | |
784 | struct hci_cp_write_link_policy cp; | |
785 | cp.handle = ev->handle; | |
786 | cp.policy = __cpu_to_le16(hdev->link_policy); | |
04837f64 MH |
787 | hci_send_cmd(hdev, OGF_LINK_POLICY, |
788 | OCF_WRITE_LINK_POLICY, sizeof(cp), &cp); | |
1da177e4 LT |
789 | } |
790 | ||
791 | /* Set packet type for incoming connection */ | |
792 | if (!conn->out) { | |
793 | struct hci_cp_change_conn_ptype cp; | |
794 | cp.handle = ev->handle; | |
8e87d142 | 795 | cp.pkt_type = (conn->type == ACL_LINK) ? |
1da177e4 LT |
796 | __cpu_to_le16(hdev->pkt_type & ACL_PTYPE_MASK): |
797 | __cpu_to_le16(hdev->pkt_type & SCO_PTYPE_MASK); | |
798 | ||
04837f64 MH |
799 | hci_send_cmd(hdev, OGF_LINK_CTL, |
800 | OCF_CHANGE_CONN_PTYPE, sizeof(cp), &cp); | |
37e97b4e MH |
801 | } else { |
802 | /* Update disconnect timer */ | |
803 | hci_conn_hold(conn); | |
804 | hci_conn_put(conn); | |
1da177e4 LT |
805 | } |
806 | } else | |
807 | conn->state = BT_CLOSED; | |
808 | ||
809 | if (conn->type == ACL_LINK) { | |
810 | struct hci_conn *sco = conn->link; | |
811 | if (sco) { | |
812 | if (!ev->status) | |
813 | hci_add_sco(sco, conn->handle); | |
814 | else { | |
815 | hci_proto_connect_cfm(sco, ev->status); | |
816 | hci_conn_del(sco); | |
817 | } | |
818 | } | |
819 | } | |
820 | ||
821 | hci_proto_connect_cfm(conn, ev->status); | |
822 | if (ev->status) | |
823 | hci_conn_del(conn); | |
824 | ||
4c67bc74 MH |
825 | pend = hci_conn_hash_lookup_state(hdev, ACL_LINK, BT_CONNECT2); |
826 | if (pend) | |
827 | hci_acl_connect(pend); | |
828 | ||
1da177e4 LT |
829 | hci_dev_unlock(hdev); |
830 | } | |
831 | ||
832 | /* Disconnect Complete */ | |
833 | static inline void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
834 | { | |
835 | struct hci_ev_disconn_complete *ev = (struct hci_ev_disconn_complete *) skb->data; | |
04837f64 | 836 | struct hci_conn *conn; |
1da177e4 LT |
837 | |
838 | BT_DBG("%s status %d", hdev->name, ev->status); | |
839 | ||
840 | if (ev->status) | |
841 | return; | |
842 | ||
843 | hci_dev_lock(hdev); | |
844 | ||
04837f64 | 845 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
1da177e4 LT |
846 | if (conn) { |
847 | conn->state = BT_CLOSED; | |
848 | hci_proto_disconn_ind(conn, ev->reason); | |
849 | hci_conn_del(conn); | |
850 | } | |
851 | ||
852 | hci_dev_unlock(hdev); | |
853 | } | |
854 | ||
855 | /* Number of completed packets */ | |
856 | static inline void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
857 | { | |
858 | struct hci_ev_num_comp_pkts *ev = (struct hci_ev_num_comp_pkts *) skb->data; | |
1ebb9252 | 859 | __le16 *ptr; |
1da177e4 LT |
860 | int i; |
861 | ||
862 | skb_pull(skb, sizeof(*ev)); | |
863 | ||
864 | BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl); | |
865 | ||
866 | if (skb->len < ev->num_hndl * 4) { | |
867 | BT_DBG("%s bad parameters", hdev->name); | |
868 | return; | |
869 | } | |
870 | ||
871 | tasklet_disable(&hdev->tx_task); | |
872 | ||
1ebb9252 | 873 | for (i = 0, ptr = (__le16 *) skb->data; i < ev->num_hndl; i++) { |
1da177e4 LT |
874 | struct hci_conn *conn; |
875 | __u16 handle, count; | |
876 | ||
877 | handle = __le16_to_cpu(get_unaligned(ptr++)); | |
878 | count = __le16_to_cpu(get_unaligned(ptr++)); | |
879 | ||
880 | conn = hci_conn_hash_lookup_handle(hdev, handle); | |
881 | if (conn) { | |
882 | conn->sent -= count; | |
883 | ||
884 | if (conn->type == SCO_LINK) { | |
885 | if ((hdev->sco_cnt += count) > hdev->sco_pkts) | |
886 | hdev->sco_cnt = hdev->sco_pkts; | |
887 | } else { | |
888 | if ((hdev->acl_cnt += count) > hdev->acl_pkts) | |
889 | hdev->acl_cnt = hdev->acl_pkts; | |
890 | } | |
891 | } | |
892 | } | |
893 | hci_sched_tx(hdev); | |
894 | ||
895 | tasklet_enable(&hdev->tx_task); | |
896 | } | |
897 | ||
898 | /* Role Change */ | |
899 | static inline void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
900 | { | |
901 | struct hci_ev_role_change *ev = (struct hci_ev_role_change *) skb->data; | |
04837f64 | 902 | struct hci_conn *conn; |
1da177e4 LT |
903 | |
904 | BT_DBG("%s status %d", hdev->name, ev->status); | |
905 | ||
906 | hci_dev_lock(hdev); | |
907 | ||
908 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
909 | if (conn) { | |
910 | if (!ev->status) { | |
911 | if (ev->role) | |
912 | conn->link_mode &= ~HCI_LM_MASTER; | |
913 | else | |
914 | conn->link_mode |= HCI_LM_MASTER; | |
915 | } | |
916 | ||
917 | clear_bit(HCI_CONN_RSWITCH_PEND, &conn->pend); | |
918 | ||
919 | hci_role_switch_cfm(conn, ev->status, ev->role); | |
920 | } | |
921 | ||
922 | hci_dev_unlock(hdev); | |
923 | } | |
924 | ||
04837f64 MH |
925 | /* Mode Change */ |
926 | static inline void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
927 | { | |
928 | struct hci_ev_mode_change *ev = (struct hci_ev_mode_change *) skb->data; | |
929 | struct hci_conn *conn; | |
930 | ||
931 | BT_DBG("%s status %d", hdev->name, ev->status); | |
932 | ||
933 | hci_dev_lock(hdev); | |
934 | ||
935 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
936 | if (conn) { | |
937 | conn->mode = ev->mode; | |
938 | conn->interval = __le16_to_cpu(ev->interval); | |
939 | ||
940 | if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend)) { | |
941 | if (conn->mode == HCI_CM_ACTIVE) | |
942 | conn->power_save = 1; | |
943 | else | |
944 | conn->power_save = 0; | |
945 | } | |
946 | } | |
947 | ||
948 | hci_dev_unlock(hdev); | |
949 | } | |
950 | ||
1da177e4 LT |
951 | /* Authentication Complete */ |
952 | static inline void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
953 | { | |
954 | struct hci_ev_auth_complete *ev = (struct hci_ev_auth_complete *) skb->data; | |
04837f64 | 955 | struct hci_conn *conn; |
1da177e4 LT |
956 | |
957 | BT_DBG("%s status %d", hdev->name, ev->status); | |
958 | ||
959 | hci_dev_lock(hdev); | |
960 | ||
04837f64 | 961 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
1da177e4 LT |
962 | if (conn) { |
963 | if (!ev->status) | |
964 | conn->link_mode |= HCI_LM_AUTH; | |
965 | ||
966 | clear_bit(HCI_CONN_AUTH_PEND, &conn->pend); | |
967 | ||
968 | hci_auth_cfm(conn, ev->status); | |
969 | ||
970 | if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) { | |
971 | if (!ev->status) { | |
972 | struct hci_cp_set_conn_encrypt cp; | |
973 | cp.handle = __cpu_to_le16(conn->handle); | |
974 | cp.encrypt = 1; | |
975 | hci_send_cmd(conn->hdev, OGF_LINK_CTL, | |
04837f64 | 976 | OCF_SET_CONN_ENCRYPT, sizeof(cp), &cp); |
1da177e4 LT |
977 | } else { |
978 | clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend); | |
979 | hci_encrypt_cfm(conn, ev->status, 0x00); | |
980 | } | |
981 | } | |
982 | } | |
983 | ||
984 | hci_dev_unlock(hdev); | |
985 | } | |
986 | ||
987 | /* Encryption Change */ | |
988 | static inline void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
989 | { | |
990 | struct hci_ev_encrypt_change *ev = (struct hci_ev_encrypt_change *) skb->data; | |
04837f64 | 991 | struct hci_conn *conn; |
1da177e4 LT |
992 | |
993 | BT_DBG("%s status %d", hdev->name, ev->status); | |
994 | ||
995 | hci_dev_lock(hdev); | |
996 | ||
04837f64 | 997 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
1da177e4 LT |
998 | if (conn) { |
999 | if (!ev->status) { | |
1000 | if (ev->encrypt) | |
1001 | conn->link_mode |= HCI_LM_ENCRYPT; | |
1002 | else | |
1003 | conn->link_mode &= ~HCI_LM_ENCRYPT; | |
1004 | } | |
1005 | ||
1006 | clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend); | |
1007 | ||
1008 | hci_encrypt_cfm(conn, ev->status, ev->encrypt); | |
1009 | } | |
1010 | ||
1011 | hci_dev_unlock(hdev); | |
1012 | } | |
1013 | ||
1014 | /* Change Connection Link Key Complete */ | |
1015 | static inline void hci_change_conn_link_key_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
1016 | { | |
1017 | struct hci_ev_change_conn_link_key_complete *ev = (struct hci_ev_change_conn_link_key_complete *) skb->data; | |
04837f64 | 1018 | struct hci_conn *conn; |
1da177e4 LT |
1019 | |
1020 | BT_DBG("%s status %d", hdev->name, ev->status); | |
1021 | ||
1022 | hci_dev_lock(hdev); | |
1023 | ||
04837f64 | 1024 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
1da177e4 LT |
1025 | if (conn) { |
1026 | if (!ev->status) | |
1027 | conn->link_mode |= HCI_LM_SECURE; | |
1028 | ||
1029 | clear_bit(HCI_CONN_AUTH_PEND, &conn->pend); | |
1030 | ||
1031 | hci_key_change_cfm(conn, ev->status); | |
1032 | } | |
1033 | ||
1034 | hci_dev_unlock(hdev); | |
1035 | } | |
1036 | ||
1037 | /* Pin Code Request*/ | |
1038 | static inline void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
1039 | { | |
1040 | } | |
1041 | ||
1042 | /* Link Key Request */ | |
1043 | static inline void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
1044 | { | |
1045 | } | |
1046 | ||
1047 | /* Link Key Notification */ | |
1048 | static inline void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
1049 | { | |
1050 | } | |
1051 | ||
04837f64 MH |
1052 | /* Remote Features */ |
1053 | static inline void hci_remote_features_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
1054 | { | |
1055 | struct hci_ev_remote_features *ev = (struct hci_ev_remote_features *) skb->data; | |
1056 | struct hci_conn *conn; | |
1057 | ||
1058 | BT_DBG("%s status %d", hdev->name, ev->status); | |
1059 | ||
1060 | hci_dev_lock(hdev); | |
1061 | ||
1062 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
1063 | if (conn && !ev->status) { | |
1064 | memcpy(conn->features, ev->features, sizeof(conn->features)); | |
1065 | } | |
1066 | ||
1067 | hci_dev_unlock(hdev); | |
1068 | } | |
1069 | ||
1da177e4 LT |
1070 | /* Clock Offset */ |
1071 | static inline void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
1072 | { | |
1073 | struct hci_ev_clock_offset *ev = (struct hci_ev_clock_offset *) skb->data; | |
04837f64 | 1074 | struct hci_conn *conn; |
1da177e4 LT |
1075 | |
1076 | BT_DBG("%s status %d", hdev->name, ev->status); | |
1077 | ||
1078 | hci_dev_lock(hdev); | |
1079 | ||
04837f64 | 1080 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
1da177e4 LT |
1081 | if (conn && !ev->status) { |
1082 | struct inquiry_entry *ie; | |
1083 | ||
1084 | if ((ie = hci_inquiry_cache_lookup(hdev, &conn->dst))) { | |
1085 | ie->data.clock_offset = ev->clock_offset; | |
1086 | ie->timestamp = jiffies; | |
1087 | } | |
1088 | } | |
1089 | ||
1090 | hci_dev_unlock(hdev); | |
1091 | } | |
1092 | ||
85a1e930 MH |
1093 | /* Page Scan Repetition Mode */ |
1094 | static inline void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
1095 | { | |
1096 | struct hci_ev_pscan_rep_mode *ev = (struct hci_ev_pscan_rep_mode *) skb->data; | |
1097 | struct inquiry_entry *ie; | |
1098 | ||
1099 | BT_DBG("%s", hdev->name); | |
1100 | ||
1101 | hci_dev_lock(hdev); | |
1102 | ||
1103 | if ((ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr))) { | |
1104 | ie->data.pscan_rep_mode = ev->pscan_rep_mode; | |
1105 | ie->timestamp = jiffies; | |
1106 | } | |
1107 | ||
1108 | hci_dev_unlock(hdev); | |
1109 | } | |
1110 | ||
04837f64 MH |
1111 | /* Sniff Subrate */ |
1112 | static inline void hci_sniff_subrate_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
1113 | { | |
1114 | struct hci_ev_sniff_subrate *ev = (struct hci_ev_sniff_subrate *) skb->data; | |
1115 | struct hci_conn *conn; | |
1116 | ||
1117 | BT_DBG("%s status %d", hdev->name, ev->status); | |
1118 | ||
1119 | hci_dev_lock(hdev); | |
1120 | ||
1121 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
1122 | if (conn) { | |
1123 | } | |
1124 | ||
1125 | hci_dev_unlock(hdev); | |
1126 | } | |
1127 | ||
1da177e4 LT |
1128 | void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb) |
1129 | { | |
1130 | struct hci_event_hdr *hdr = (struct hci_event_hdr *) skb->data; | |
1131 | struct hci_ev_cmd_complete *ec; | |
1132 | struct hci_ev_cmd_status *cs; | |
1133 | u16 opcode, ocf, ogf; | |
1134 | ||
1135 | skb_pull(skb, HCI_EVENT_HDR_SIZE); | |
1136 | ||
1137 | BT_DBG("%s evt 0x%x", hdev->name, hdr->evt); | |
1138 | ||
1139 | switch (hdr->evt) { | |
1140 | case HCI_EV_NUM_COMP_PKTS: | |
1141 | hci_num_comp_pkts_evt(hdev, skb); | |
1142 | break; | |
1143 | ||
1144 | case HCI_EV_INQUIRY_COMPLETE: | |
1145 | hci_inquiry_complete_evt(hdev, skb); | |
1146 | break; | |
1147 | ||
1148 | case HCI_EV_INQUIRY_RESULT: | |
1149 | hci_inquiry_result_evt(hdev, skb); | |
1150 | break; | |
1151 | ||
1152 | case HCI_EV_INQUIRY_RESULT_WITH_RSSI: | |
1153 | hci_inquiry_result_with_rssi_evt(hdev, skb); | |
1154 | break; | |
1155 | ||
21d9e30e MH |
1156 | case HCI_EV_EXTENDED_INQUIRY_RESULT: |
1157 | hci_extended_inquiry_result_evt(hdev, skb); | |
1158 | break; | |
1159 | ||
1da177e4 LT |
1160 | case HCI_EV_CONN_REQUEST: |
1161 | hci_conn_request_evt(hdev, skb); | |
1162 | break; | |
1163 | ||
1164 | case HCI_EV_CONN_COMPLETE: | |
1165 | hci_conn_complete_evt(hdev, skb); | |
1166 | break; | |
1167 | ||
1168 | case HCI_EV_DISCONN_COMPLETE: | |
1169 | hci_disconn_complete_evt(hdev, skb); | |
1170 | break; | |
1171 | ||
1172 | case HCI_EV_ROLE_CHANGE: | |
1173 | hci_role_change_evt(hdev, skb); | |
1174 | break; | |
1175 | ||
04837f64 MH |
1176 | case HCI_EV_MODE_CHANGE: |
1177 | hci_mode_change_evt(hdev, skb); | |
1178 | break; | |
1179 | ||
1da177e4 LT |
1180 | case HCI_EV_AUTH_COMPLETE: |
1181 | hci_auth_complete_evt(hdev, skb); | |
1182 | break; | |
1183 | ||
1184 | case HCI_EV_ENCRYPT_CHANGE: | |
1185 | hci_encrypt_change_evt(hdev, skb); | |
1186 | break; | |
1187 | ||
1188 | case HCI_EV_CHANGE_CONN_LINK_KEY_COMPLETE: | |
1189 | hci_change_conn_link_key_complete_evt(hdev, skb); | |
1190 | break; | |
1191 | ||
1192 | case HCI_EV_PIN_CODE_REQ: | |
1193 | hci_pin_code_request_evt(hdev, skb); | |
1194 | break; | |
1195 | ||
1196 | case HCI_EV_LINK_KEY_REQ: | |
1197 | hci_link_key_request_evt(hdev, skb); | |
1198 | break; | |
1199 | ||
1200 | case HCI_EV_LINK_KEY_NOTIFY: | |
1201 | hci_link_key_notify_evt(hdev, skb); | |
1202 | break; | |
1203 | ||
04837f64 MH |
1204 | case HCI_EV_REMOTE_FEATURES: |
1205 | hci_remote_features_evt(hdev, skb); | |
1206 | break; | |
1207 | ||
1da177e4 LT |
1208 | case HCI_EV_CLOCK_OFFSET: |
1209 | hci_clock_offset_evt(hdev, skb); | |
1210 | break; | |
1211 | ||
85a1e930 MH |
1212 | case HCI_EV_PSCAN_REP_MODE: |
1213 | hci_pscan_rep_mode_evt(hdev, skb); | |
1214 | break; | |
1215 | ||
04837f64 MH |
1216 | case HCI_EV_SNIFF_SUBRATE: |
1217 | hci_sniff_subrate_evt(hdev, skb); | |
1218 | break; | |
1219 | ||
1da177e4 LT |
1220 | case HCI_EV_CMD_STATUS: |
1221 | cs = (struct hci_ev_cmd_status *) skb->data; | |
1222 | skb_pull(skb, sizeof(cs)); | |
1223 | ||
1224 | opcode = __le16_to_cpu(cs->opcode); | |
1225 | ogf = hci_opcode_ogf(opcode); | |
1226 | ocf = hci_opcode_ocf(opcode); | |
1227 | ||
1228 | switch (ogf) { | |
1229 | case OGF_INFO_PARAM: | |
1230 | hci_cs_info_param(hdev, ocf, cs->status); | |
1231 | break; | |
1232 | ||
1233 | case OGF_HOST_CTL: | |
1234 | hci_cs_host_ctl(hdev, ocf, cs->status); | |
1235 | break; | |
1236 | ||
1237 | case OGF_LINK_CTL: | |
1238 | hci_cs_link_ctl(hdev, ocf, cs->status); | |
1239 | break; | |
1240 | ||
1241 | case OGF_LINK_POLICY: | |
1242 | hci_cs_link_policy(hdev, ocf, cs->status); | |
1243 | break; | |
1244 | ||
1245 | default: | |
1246 | BT_DBG("%s Command Status OGF %x", hdev->name, ogf); | |
1247 | break; | |
1248 | } | |
1249 | ||
1250 | if (cs->ncmd) { | |
1251 | atomic_set(&hdev->cmd_cnt, 1); | |
1252 | if (!skb_queue_empty(&hdev->cmd_q)) | |
1253 | hci_sched_cmd(hdev); | |
1254 | } | |
1255 | break; | |
1256 | ||
1257 | case HCI_EV_CMD_COMPLETE: | |
1258 | ec = (struct hci_ev_cmd_complete *) skb->data; | |
1259 | skb_pull(skb, sizeof(*ec)); | |
1260 | ||
1261 | opcode = __le16_to_cpu(ec->opcode); | |
1262 | ogf = hci_opcode_ogf(opcode); | |
1263 | ocf = hci_opcode_ocf(opcode); | |
1264 | ||
1265 | switch (ogf) { | |
1266 | case OGF_INFO_PARAM: | |
1267 | hci_cc_info_param(hdev, ocf, skb); | |
1268 | break; | |
1269 | ||
1270 | case OGF_HOST_CTL: | |
1271 | hci_cc_host_ctl(hdev, ocf, skb); | |
1272 | break; | |
1273 | ||
1274 | case OGF_LINK_CTL: | |
1275 | hci_cc_link_ctl(hdev, ocf, skb); | |
1276 | break; | |
1277 | ||
1278 | case OGF_LINK_POLICY: | |
1279 | hci_cc_link_policy(hdev, ocf, skb); | |
1280 | break; | |
1281 | ||
1282 | default: | |
1283 | BT_DBG("%s Command Completed OGF %x", hdev->name, ogf); | |
1284 | break; | |
1285 | } | |
1286 | ||
1287 | if (ec->ncmd) { | |
1288 | atomic_set(&hdev->cmd_cnt, 1); | |
1289 | if (!skb_queue_empty(&hdev->cmd_q)) | |
1290 | hci_sched_cmd(hdev); | |
1291 | } | |
1292 | break; | |
1293 | } | |
1294 | ||
1295 | kfree_skb(skb); | |
1296 | hdev->stat.evt_rx++; | |
1297 | } | |
1298 | ||
1299 | /* Generate internal stack event */ | |
1300 | void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data) | |
1301 | { | |
1302 | struct hci_event_hdr *hdr; | |
1303 | struct hci_ev_stack_internal *ev; | |
1304 | struct sk_buff *skb; | |
1305 | ||
1306 | skb = bt_skb_alloc(HCI_EVENT_HDR_SIZE + sizeof(*ev) + dlen, GFP_ATOMIC); | |
1307 | if (!skb) | |
1308 | return; | |
1309 | ||
1310 | hdr = (void *) skb_put(skb, HCI_EVENT_HDR_SIZE); | |
1311 | hdr->evt = HCI_EV_STACK_INTERNAL; | |
1312 | hdr->plen = sizeof(*ev) + dlen; | |
1313 | ||
1314 | ev = (void *) skb_put(skb, sizeof(*ev) + dlen); | |
1315 | ev->type = type; | |
1316 | memcpy(ev->data, data, dlen); | |
1317 | ||
576c7d85 | 1318 | bt_cb(skb)->incoming = 1; |
a61bbcf2 | 1319 | __net_timestamp(skb); |
576c7d85 | 1320 | |
0d48d939 | 1321 | bt_cb(skb)->pkt_type = HCI_EVENT_PKT; |
1da177e4 LT |
1322 | skb->dev = (void *) hdev; |
1323 | hci_send_to_sock(hdev, skb); | |
1324 | kfree_skb(skb); | |
1325 | } |