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 | ||
a9de9248 | 55 | static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 56 | { |
a9de9248 | 57 | __u8 status = *((__u8 *) skb->data); |
1da177e4 | 58 | |
a9de9248 | 59 | BT_DBG("%s status 0x%x", hdev->name, status); |
1da177e4 | 60 | |
a9de9248 MH |
61 | if (status) |
62 | return; | |
1da177e4 | 63 | |
a9de9248 | 64 | clear_bit(HCI_INQUIRY, &hdev->flags); |
6bd57416 | 65 | |
a9de9248 MH |
66 | hci_req_complete(hdev, status); |
67 | ||
68 | hci_conn_check_pending(hdev); | |
69 | } | |
6bd57416 | 70 | |
a9de9248 MH |
71 | static void hci_cc_exit_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb) |
72 | { | |
73 | __u8 status = *((__u8 *) skb->data); | |
6bd57416 | 74 | |
a9de9248 | 75 | BT_DBG("%s status 0x%x", hdev->name, status); |
6bd57416 | 76 | |
a9de9248 MH |
77 | if (status) |
78 | return; | |
1da177e4 | 79 | |
a9de9248 MH |
80 | clear_bit(HCI_INQUIRY, &hdev->flags); |
81 | ||
82 | hci_conn_check_pending(hdev); | |
83 | } | |
84 | ||
85 | static void hci_cc_remote_name_req_cancel(struct hci_dev *hdev, struct sk_buff *skb) | |
86 | { | |
87 | BT_DBG("%s", hdev->name); | |
88 | } | |
89 | ||
90 | static void hci_cc_role_discovery(struct hci_dev *hdev, struct sk_buff *skb) | |
91 | { | |
92 | struct hci_rp_role_discovery *rp = (void *) skb->data; | |
93 | struct hci_conn *conn; | |
94 | ||
95 | BT_DBG("%s status 0x%x", hdev->name, rp->status); | |
96 | ||
97 | if (rp->status) | |
98 | return; | |
99 | ||
100 | hci_dev_lock(hdev); | |
101 | ||
102 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); | |
103 | if (conn) { | |
104 | if (rp->role) | |
105 | conn->link_mode &= ~HCI_LM_MASTER; | |
106 | else | |
107 | conn->link_mode |= HCI_LM_MASTER; | |
1da177e4 | 108 | } |
a9de9248 MH |
109 | |
110 | hci_dev_unlock(hdev); | |
1da177e4 LT |
111 | } |
112 | ||
a9de9248 | 113 | static void hci_cc_write_link_policy(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 114 | { |
a9de9248 | 115 | struct hci_rp_write_link_policy *rp = (void *) skb->data; |
1da177e4 | 116 | struct hci_conn *conn; |
04837f64 | 117 | void *sent; |
1da177e4 | 118 | |
a9de9248 | 119 | BT_DBG("%s status 0x%x", hdev->name, rp->status); |
1da177e4 | 120 | |
a9de9248 MH |
121 | if (rp->status) |
122 | return; | |
1da177e4 | 123 | |
a9de9248 MH |
124 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LINK_POLICY); |
125 | if (!sent) | |
126 | return; | |
1da177e4 | 127 | |
a9de9248 | 128 | hci_dev_lock(hdev); |
1da177e4 | 129 | |
a9de9248 MH |
130 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); |
131 | if (conn) { | |
132 | __le16 policy = get_unaligned((__le16 *) (sent + 2)); | |
133 | conn->link_policy = __le16_to_cpu(policy); | |
134 | } | |
1da177e4 | 135 | |
a9de9248 MH |
136 | hci_dev_unlock(hdev); |
137 | } | |
1da177e4 | 138 | |
a9de9248 MH |
139 | static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb) |
140 | { | |
141 | __u8 status = *((__u8 *) skb->data); | |
04837f64 | 142 | |
a9de9248 | 143 | BT_DBG("%s status 0x%x", hdev->name, status); |
04837f64 | 144 | |
a9de9248 MH |
145 | hci_req_complete(hdev, status); |
146 | } | |
04837f64 | 147 | |
a9de9248 MH |
148 | static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb) |
149 | { | |
150 | __u8 status = *((__u8 *) skb->data); | |
151 | void *sent; | |
04837f64 | 152 | |
a9de9248 | 153 | BT_DBG("%s status 0x%x", hdev->name, status); |
04837f64 | 154 | |
a9de9248 MH |
155 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME); |
156 | if (!sent) | |
157 | return; | |
04837f64 | 158 | |
a9de9248 MH |
159 | if (!status) |
160 | memcpy(hdev->dev_name, sent, 248); | |
161 | } | |
162 | ||
163 | static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb) | |
164 | { | |
165 | struct hci_rp_read_local_name *rp = (void *) skb->data; | |
166 | ||
167 | BT_DBG("%s status 0x%x", hdev->name, rp->status); | |
168 | ||
169 | if (rp->status) | |
170 | return; | |
171 | ||
172 | memcpy(hdev->dev_name, rp->name, 248); | |
173 | } | |
174 | ||
175 | static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb) | |
176 | { | |
177 | __u8 status = *((__u8 *) skb->data); | |
178 | void *sent; | |
179 | ||
180 | BT_DBG("%s status 0x%x", hdev->name, status); | |
181 | ||
182 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_ENABLE); | |
183 | if (!sent) | |
184 | return; | |
185 | ||
186 | if (!status) { | |
187 | __u8 param = *((__u8 *) sent); | |
188 | ||
189 | if (param == AUTH_ENABLED) | |
190 | set_bit(HCI_AUTH, &hdev->flags); | |
191 | else | |
192 | clear_bit(HCI_AUTH, &hdev->flags); | |
1da177e4 | 193 | } |
a9de9248 MH |
194 | |
195 | hci_req_complete(hdev, status); | |
1da177e4 LT |
196 | } |
197 | ||
a9de9248 | 198 | static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 199 | { |
a9de9248 | 200 | __u8 status = *((__u8 *) skb->data); |
1da177e4 LT |
201 | void *sent; |
202 | ||
a9de9248 | 203 | BT_DBG("%s status 0x%x", hdev->name, status); |
1da177e4 | 204 | |
a9de9248 MH |
205 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE); |
206 | if (!sent) | |
207 | return; | |
1da177e4 | 208 | |
a9de9248 MH |
209 | if (!status) { |
210 | __u8 param = *((__u8 *) sent); | |
211 | ||
212 | if (param) | |
213 | set_bit(HCI_ENCRYPT, &hdev->flags); | |
214 | else | |
215 | clear_bit(HCI_ENCRYPT, &hdev->flags); | |
216 | } | |
1da177e4 | 217 | |
a9de9248 MH |
218 | hci_req_complete(hdev, status); |
219 | } | |
1da177e4 | 220 | |
a9de9248 MH |
221 | static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb) |
222 | { | |
223 | __u8 status = *((__u8 *) skb->data); | |
224 | void *sent; | |
1da177e4 | 225 | |
a9de9248 | 226 | BT_DBG("%s status 0x%x", hdev->name, status); |
1da177e4 | 227 | |
a9de9248 MH |
228 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SCAN_ENABLE); |
229 | if (!sent) | |
230 | return; | |
1da177e4 | 231 | |
a9de9248 MH |
232 | if (!status) { |
233 | __u8 param = *((__u8 *) sent); | |
1da177e4 | 234 | |
a9de9248 MH |
235 | clear_bit(HCI_PSCAN, &hdev->flags); |
236 | clear_bit(HCI_ISCAN, &hdev->flags); | |
1da177e4 | 237 | |
a9de9248 MH |
238 | if (param & SCAN_INQUIRY) |
239 | set_bit(HCI_ISCAN, &hdev->flags); | |
1da177e4 | 240 | |
a9de9248 MH |
241 | if (param & SCAN_PAGE) |
242 | set_bit(HCI_PSCAN, &hdev->flags); | |
243 | } | |
1da177e4 | 244 | |
a9de9248 MH |
245 | hci_req_complete(hdev, status); |
246 | } | |
1da177e4 | 247 | |
a9de9248 MH |
248 | static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb) |
249 | { | |
250 | struct hci_rp_read_class_of_dev *rp = (void *) skb->data; | |
1da177e4 | 251 | |
a9de9248 | 252 | BT_DBG("%s status 0x%x", hdev->name, rp->status); |
1da177e4 | 253 | |
a9de9248 MH |
254 | if (rp->status) |
255 | return; | |
1da177e4 | 256 | |
a9de9248 | 257 | memcpy(hdev->dev_class, rp->dev_class, 3); |
1da177e4 | 258 | |
a9de9248 MH |
259 | BT_DBG("%s class 0x%.2x%.2x%.2x", hdev->name, |
260 | hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]); | |
261 | } | |
1da177e4 | 262 | |
a9de9248 MH |
263 | static void hci_cc_write_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb) |
264 | { | |
265 | __u8 status = *((__u8 *) skb->data); | |
266 | void *sent; | |
1da177e4 | 267 | |
a9de9248 | 268 | BT_DBG("%s status 0x%x", hdev->name, status); |
1da177e4 | 269 | |
a9de9248 MH |
270 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV); |
271 | if (!sent) | |
272 | return; | |
1da177e4 | 273 | |
a9de9248 MH |
274 | if (!status) |
275 | memcpy(hdev->dev_class, sent, 3); | |
276 | } | |
1da177e4 | 277 | |
a9de9248 MH |
278 | static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb) |
279 | { | |
280 | struct hci_rp_read_voice_setting *rp = (void *) skb->data; | |
281 | __u16 setting; | |
282 | ||
283 | BT_DBG("%s status 0x%x", hdev->name, rp->status); | |
284 | ||
285 | if (rp->status) | |
286 | return; | |
287 | ||
288 | setting = __le16_to_cpu(rp->voice_setting); | |
289 | ||
290 | if (hdev->voice_setting == setting ) | |
291 | return; | |
292 | ||
293 | hdev->voice_setting = setting; | |
294 | ||
295 | BT_DBG("%s voice setting 0x%04x", hdev->name, setting); | |
296 | ||
297 | if (hdev->notify) { | |
298 | tasklet_disable(&hdev->tx_task); | |
299 | hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING); | |
300 | tasklet_enable(&hdev->tx_task); | |
301 | } | |
302 | } | |
303 | ||
304 | static void hci_cc_write_voice_setting(struct hci_dev *hdev, struct sk_buff *skb) | |
305 | { | |
306 | __u8 status = *((__u8 *) skb->data); | |
307 | void *sent; | |
308 | ||
309 | BT_DBG("%s status 0x%x", hdev->name, status); | |
1da177e4 | 310 | |
a9de9248 MH |
311 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_VOICE_SETTING); |
312 | if (!sent) | |
313 | return; | |
1da177e4 | 314 | |
a9de9248 MH |
315 | if (!status) { |
316 | __u16 setting = __le16_to_cpu(get_unaligned((__le16 *) sent)); | |
1da177e4 | 317 | |
a9de9248 | 318 | if (hdev->voice_setting != setting) { |
1da177e4 LT |
319 | hdev->voice_setting = setting; |
320 | ||
a9de9248 | 321 | BT_DBG("%s voice setting 0x%04x", hdev->name, setting); |
1da177e4 LT |
322 | |
323 | if (hdev->notify) { | |
324 | tasklet_disable(&hdev->tx_task); | |
325 | hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING); | |
326 | tasklet_enable(&hdev->tx_task); | |
327 | } | |
328 | } | |
1da177e4 LT |
329 | } |
330 | } | |
331 | ||
a9de9248 | 332 | static void hci_cc_host_buffer_size(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 333 | { |
a9de9248 | 334 | __u8 status = *((__u8 *) skb->data); |
1da177e4 | 335 | |
a9de9248 | 336 | BT_DBG("%s status 0x%x", hdev->name, status); |
1da177e4 | 337 | |
a9de9248 MH |
338 | hci_req_complete(hdev, status); |
339 | } | |
1143e5a6 | 340 | |
a9de9248 MH |
341 | static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb) |
342 | { | |
343 | struct hci_rp_read_local_version *rp = (void *) skb->data; | |
1143e5a6 | 344 | |
a9de9248 | 345 | BT_DBG("%s status 0x%x", hdev->name, rp->status); |
1143e5a6 | 346 | |
a9de9248 MH |
347 | if (rp->status) |
348 | return; | |
1143e5a6 | 349 | |
a9de9248 MH |
350 | hdev->hci_ver = rp->hci_ver; |
351 | hdev->hci_rev = btohs(rp->hci_rev); | |
352 | hdev->manufacturer = btohs(rp->manufacturer); | |
1143e5a6 | 353 | |
a9de9248 MH |
354 | BT_DBG("%s manufacturer %d hci ver %d:%d", hdev->name, |
355 | hdev->manufacturer, | |
356 | hdev->hci_ver, hdev->hci_rev); | |
357 | } | |
1da177e4 | 358 | |
a9de9248 MH |
359 | static void hci_cc_read_local_commands(struct hci_dev *hdev, struct sk_buff *skb) |
360 | { | |
361 | struct hci_rp_read_local_commands *rp = (void *) skb->data; | |
1da177e4 | 362 | |
a9de9248 | 363 | BT_DBG("%s status 0x%x", hdev->name, rp->status); |
1da177e4 | 364 | |
a9de9248 MH |
365 | if (rp->status) |
366 | return; | |
1da177e4 | 367 | |
a9de9248 MH |
368 | memcpy(hdev->commands, rp->commands, sizeof(hdev->commands)); |
369 | } | |
1da177e4 | 370 | |
a9de9248 MH |
371 | static void hci_cc_read_local_features(struct hci_dev *hdev, struct sk_buff *skb) |
372 | { | |
373 | struct hci_rp_read_local_features *rp = (void *) skb->data; | |
5b7f9909 | 374 | |
a9de9248 | 375 | BT_DBG("%s status 0x%x", hdev->name, rp->status); |
1da177e4 | 376 | |
a9de9248 MH |
377 | if (rp->status) |
378 | return; | |
5b7f9909 | 379 | |
a9de9248 | 380 | memcpy(hdev->features, rp->features, 8); |
5b7f9909 | 381 | |
a9de9248 MH |
382 | /* Adjust default settings according to features |
383 | * supported by device. */ | |
1da177e4 | 384 | |
a9de9248 MH |
385 | if (hdev->features[0] & LMP_3SLOT) |
386 | hdev->pkt_type |= (HCI_DM3 | HCI_DH3); | |
1da177e4 | 387 | |
a9de9248 MH |
388 | if (hdev->features[0] & LMP_5SLOT) |
389 | hdev->pkt_type |= (HCI_DM5 | HCI_DH5); | |
1da177e4 | 390 | |
a9de9248 MH |
391 | if (hdev->features[1] & LMP_HV2) { |
392 | hdev->pkt_type |= (HCI_HV2); | |
393 | hdev->esco_type |= (ESCO_HV2); | |
394 | } | |
1da177e4 | 395 | |
a9de9248 MH |
396 | if (hdev->features[1] & LMP_HV3) { |
397 | hdev->pkt_type |= (HCI_HV3); | |
398 | hdev->esco_type |= (ESCO_HV3); | |
399 | } | |
1da177e4 | 400 | |
a9de9248 MH |
401 | if (hdev->features[3] & LMP_ESCO) |
402 | hdev->esco_type |= (ESCO_EV3); | |
da1f5198 | 403 | |
a9de9248 MH |
404 | if (hdev->features[4] & LMP_EV4) |
405 | hdev->esco_type |= (ESCO_EV4); | |
da1f5198 | 406 | |
a9de9248 MH |
407 | if (hdev->features[4] & LMP_EV5) |
408 | hdev->esco_type |= (ESCO_EV5); | |
1da177e4 | 409 | |
a9de9248 MH |
410 | BT_DBG("%s features 0x%.2x%.2x%.2x%.2x%.2x%.2x%.2x%.2x", hdev->name, |
411 | hdev->features[0], hdev->features[1], | |
412 | hdev->features[2], hdev->features[3], | |
413 | hdev->features[4], hdev->features[5], | |
414 | hdev->features[6], hdev->features[7]); | |
415 | } | |
1da177e4 | 416 | |
a9de9248 MH |
417 | static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb) |
418 | { | |
419 | struct hci_rp_read_buffer_size *rp = (void *) skb->data; | |
1da177e4 | 420 | |
a9de9248 | 421 | BT_DBG("%s status 0x%x", hdev->name, rp->status); |
1da177e4 | 422 | |
a9de9248 MH |
423 | if (rp->status) |
424 | return; | |
1da177e4 | 425 | |
a9de9248 MH |
426 | hdev->acl_mtu = __le16_to_cpu(rp->acl_mtu); |
427 | hdev->sco_mtu = rp->sco_mtu; | |
428 | hdev->acl_pkts = __le16_to_cpu(rp->acl_max_pkt); | |
429 | hdev->sco_pkts = __le16_to_cpu(rp->sco_max_pkt); | |
430 | ||
431 | if (test_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks)) { | |
432 | hdev->sco_mtu = 64; | |
433 | hdev->sco_pkts = 8; | |
1da177e4 | 434 | } |
a9de9248 MH |
435 | |
436 | hdev->acl_cnt = hdev->acl_pkts; | |
437 | hdev->sco_cnt = hdev->sco_pkts; | |
438 | ||
439 | BT_DBG("%s acl mtu %d:%d sco mtu %d:%d", hdev->name, | |
440 | hdev->acl_mtu, hdev->acl_pkts, | |
441 | hdev->sco_mtu, hdev->sco_pkts); | |
442 | } | |
443 | ||
444 | static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb) | |
445 | { | |
446 | struct hci_rp_read_bd_addr *rp = (void *) skb->data; | |
447 | ||
448 | BT_DBG("%s status 0x%x", hdev->name, rp->status); | |
449 | ||
450 | if (!rp->status) | |
451 | bacpy(&hdev->bdaddr, &rp->bdaddr); | |
452 | ||
453 | hci_req_complete(hdev, rp->status); | |
454 | } | |
455 | ||
456 | static inline void hci_cs_inquiry(struct hci_dev *hdev, __u8 status) | |
457 | { | |
458 | BT_DBG("%s status 0x%x", hdev->name, status); | |
459 | ||
460 | if (status) { | |
461 | hci_req_complete(hdev, status); | |
462 | ||
463 | hci_conn_check_pending(hdev); | |
464 | } else | |
465 | set_bit(HCI_INQUIRY, &hdev->flags); | |
1da177e4 LT |
466 | } |
467 | ||
1da177e4 LT |
468 | static inline void hci_cs_create_conn(struct hci_dev *hdev, __u8 status) |
469 | { | |
a9de9248 | 470 | struct hci_cp_create_conn *cp; |
1da177e4 | 471 | struct hci_conn *conn; |
1da177e4 | 472 | |
a9de9248 MH |
473 | BT_DBG("%s status 0x%x", hdev->name, status); |
474 | ||
475 | cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN); | |
1da177e4 LT |
476 | if (!cp) |
477 | return; | |
478 | ||
479 | hci_dev_lock(hdev); | |
480 | ||
481 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); | |
482 | ||
a9de9248 | 483 | BT_DBG("%s bdaddr %s conn %p", hdev->name, batostr(&cp->bdaddr), conn); |
1da177e4 LT |
484 | |
485 | if (status) { | |
486 | if (conn && conn->state == BT_CONNECT) { | |
4c67bc74 MH |
487 | if (status != 0x0c || conn->attempt > 2) { |
488 | conn->state = BT_CLOSED; | |
489 | hci_proto_connect_cfm(conn, status); | |
490 | hci_conn_del(conn); | |
491 | } else | |
492 | conn->state = BT_CONNECT2; | |
1da177e4 LT |
493 | } |
494 | } else { | |
495 | if (!conn) { | |
496 | conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr); | |
497 | if (conn) { | |
498 | conn->out = 1; | |
499 | conn->link_mode |= HCI_LM_MASTER; | |
500 | } else | |
501 | BT_ERR("No memmory for new connection"); | |
502 | } | |
503 | } | |
504 | ||
505 | hci_dev_unlock(hdev); | |
506 | } | |
507 | ||
a9de9248 | 508 | static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status) |
1da177e4 | 509 | { |
a9de9248 MH |
510 | struct hci_cp_add_sco *cp; |
511 | struct hci_conn *acl, *sco; | |
512 | __u16 handle; | |
1da177e4 | 513 | |
a9de9248 MH |
514 | if (!status) |
515 | return; | |
1da177e4 | 516 | |
a9de9248 | 517 | BT_DBG("%s status 0x%x", hdev->name, status); |
1da177e4 | 518 | |
a9de9248 MH |
519 | cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO); |
520 | if (!cp) | |
521 | return; | |
1da177e4 | 522 | |
a9de9248 | 523 | handle = __le16_to_cpu(cp->handle); |
1da177e4 | 524 | |
a9de9248 | 525 | BT_DBG("%s handle %d", hdev->name, handle); |
1da177e4 | 526 | |
a9de9248 | 527 | hci_dev_lock(hdev); |
1da177e4 | 528 | |
a9de9248 MH |
529 | acl = hci_conn_hash_lookup_handle(hdev, handle); |
530 | if (acl && (sco = acl->link)) { | |
531 | sco->state = BT_CLOSED; | |
1da177e4 | 532 | |
a9de9248 MH |
533 | hci_proto_connect_cfm(sco, status); |
534 | hci_conn_del(sco); | |
535 | } | |
1da177e4 | 536 | |
a9de9248 MH |
537 | hci_dev_unlock(hdev); |
538 | } | |
1da177e4 | 539 | |
a9de9248 MH |
540 | static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status) |
541 | { | |
542 | BT_DBG("%s status 0x%x", hdev->name, status); | |
543 | } | |
1da177e4 | 544 | |
a9de9248 MH |
545 | static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status) |
546 | { | |
547 | BT_DBG("%s status 0x%x", hdev->name, status); | |
1da177e4 LT |
548 | } |
549 | ||
a9de9248 | 550 | static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status) |
1da177e4 | 551 | { |
a9de9248 MH |
552 | struct hci_cp_sniff_mode *cp; |
553 | struct hci_conn *conn; | |
1da177e4 | 554 | |
a9de9248 | 555 | BT_DBG("%s status 0x%x", hdev->name, status); |
04837f64 | 556 | |
a9de9248 MH |
557 | if (!status) |
558 | return; | |
04837f64 | 559 | |
a9de9248 MH |
560 | cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE); |
561 | if (!cp) | |
562 | return; | |
04837f64 | 563 | |
a9de9248 | 564 | hci_dev_lock(hdev); |
04837f64 | 565 | |
a9de9248 MH |
566 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); |
567 | if (conn) | |
568 | clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend); | |
04837f64 | 569 | |
a9de9248 MH |
570 | hci_dev_unlock(hdev); |
571 | } | |
04837f64 | 572 | |
a9de9248 MH |
573 | static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status) |
574 | { | |
575 | struct hci_cp_exit_sniff_mode *cp; | |
576 | struct hci_conn *conn; | |
04837f64 | 577 | |
a9de9248 | 578 | BT_DBG("%s status 0x%x", hdev->name, status); |
04837f64 | 579 | |
a9de9248 MH |
580 | if (!status) |
581 | return; | |
04837f64 | 582 | |
a9de9248 MH |
583 | cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE); |
584 | if (!cp) | |
585 | return; | |
04837f64 | 586 | |
a9de9248 | 587 | hci_dev_lock(hdev); |
1da177e4 | 588 | |
a9de9248 MH |
589 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); |
590 | if (conn) | |
591 | clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend); | |
1da177e4 | 592 | |
a9de9248 | 593 | hci_dev_unlock(hdev); |
1da177e4 LT |
594 | } |
595 | ||
1da177e4 LT |
596 | static inline void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
597 | { | |
598 | __u8 status = *((__u8 *) skb->data); | |
599 | ||
600 | BT_DBG("%s status %d", hdev->name, status); | |
601 | ||
602 | clear_bit(HCI_INQUIRY, &hdev->flags); | |
6bd57416 | 603 | |
a9de9248 | 604 | hci_req_complete(hdev, status); |
6bd57416 | 605 | |
a9de9248 | 606 | hci_conn_check_pending(hdev); |
1da177e4 LT |
607 | } |
608 | ||
1da177e4 LT |
609 | static inline void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb) |
610 | { | |
45bb4bf0 | 611 | struct inquiry_data data; |
a9de9248 | 612 | struct inquiry_info *info = (void *) (skb->data + 1); |
1da177e4 LT |
613 | int num_rsp = *((__u8 *) skb->data); |
614 | ||
615 | BT_DBG("%s num_rsp %d", hdev->name, num_rsp); | |
616 | ||
45bb4bf0 MH |
617 | if (!num_rsp) |
618 | return; | |
619 | ||
1da177e4 | 620 | hci_dev_lock(hdev); |
45bb4bf0 | 621 | |
1da177e4 | 622 | for (; num_rsp; num_rsp--) { |
1da177e4 LT |
623 | bacpy(&data.bdaddr, &info->bdaddr); |
624 | data.pscan_rep_mode = info->pscan_rep_mode; | |
625 | data.pscan_period_mode = info->pscan_period_mode; | |
626 | data.pscan_mode = info->pscan_mode; | |
627 | memcpy(data.dev_class, info->dev_class, 3); | |
628 | data.clock_offset = info->clock_offset; | |
629 | data.rssi = 0x00; | |
630 | info++; | |
631 | hci_inquiry_cache_update(hdev, &data); | |
632 | } | |
45bb4bf0 | 633 | |
1da177e4 LT |
634 | hci_dev_unlock(hdev); |
635 | } | |
636 | ||
1da177e4 LT |
637 | static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
638 | { | |
a9de9248 MH |
639 | struct hci_ev_conn_complete *ev = (void *) skb->data; |
640 | struct hci_conn *conn; | |
1da177e4 LT |
641 | |
642 | BT_DBG("%s", hdev->name); | |
643 | ||
644 | hci_dev_lock(hdev); | |
645 | ||
646 | conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr); | |
a9de9248 MH |
647 | if (!conn) |
648 | goto unlock; | |
1da177e4 LT |
649 | |
650 | if (!ev->status) { | |
651 | conn->handle = __le16_to_cpu(ev->handle); | |
652 | conn->state = BT_CONNECTED; | |
653 | ||
654 | if (test_bit(HCI_AUTH, &hdev->flags)) | |
655 | conn->link_mode |= HCI_LM_AUTH; | |
656 | ||
657 | if (test_bit(HCI_ENCRYPT, &hdev->flags)) | |
658 | conn->link_mode |= HCI_LM_ENCRYPT; | |
659 | ||
04837f64 MH |
660 | /* Get remote features */ |
661 | if (conn->type == ACL_LINK) { | |
662 | struct hci_cp_read_remote_features cp; | |
663 | cp.handle = ev->handle; | |
a9de9248 | 664 | hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES, sizeof(cp), &cp); |
04837f64 MH |
665 | } |
666 | ||
1da177e4 LT |
667 | /* Set link policy */ |
668 | if (conn->type == ACL_LINK && hdev->link_policy) { | |
669 | struct hci_cp_write_link_policy cp; | |
670 | cp.handle = ev->handle; | |
aca3192c | 671 | cp.policy = cpu_to_le16(hdev->link_policy); |
a9de9248 | 672 | hci_send_cmd(hdev, HCI_OP_WRITE_LINK_POLICY, sizeof(cp), &cp); |
1da177e4 LT |
673 | } |
674 | ||
675 | /* Set packet type for incoming connection */ | |
676 | if (!conn->out) { | |
677 | struct hci_cp_change_conn_ptype cp; | |
678 | cp.handle = ev->handle; | |
8e87d142 | 679 | cp.pkt_type = (conn->type == ACL_LINK) ? |
aca3192c YH |
680 | cpu_to_le16(hdev->pkt_type & ACL_PTYPE_MASK): |
681 | cpu_to_le16(hdev->pkt_type & SCO_PTYPE_MASK); | |
1da177e4 | 682 | |
a9de9248 | 683 | hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp), &cp); |
37e97b4e MH |
684 | } else { |
685 | /* Update disconnect timer */ | |
686 | hci_conn_hold(conn); | |
687 | hci_conn_put(conn); | |
1da177e4 LT |
688 | } |
689 | } else | |
690 | conn->state = BT_CLOSED; | |
691 | ||
692 | if (conn->type == ACL_LINK) { | |
693 | struct hci_conn *sco = conn->link; | |
694 | if (sco) { | |
695 | if (!ev->status) | |
696 | hci_add_sco(sco, conn->handle); | |
697 | else { | |
698 | hci_proto_connect_cfm(sco, ev->status); | |
699 | hci_conn_del(sco); | |
700 | } | |
701 | } | |
702 | } | |
703 | ||
704 | hci_proto_connect_cfm(conn, ev->status); | |
705 | if (ev->status) | |
706 | hci_conn_del(conn); | |
707 | ||
a9de9248 | 708 | unlock: |
1da177e4 | 709 | hci_dev_unlock(hdev); |
1da177e4 | 710 | |
a9de9248 | 711 | hci_conn_check_pending(hdev); |
1da177e4 LT |
712 | } |
713 | ||
a9de9248 | 714 | static inline void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 715 | { |
a9de9248 MH |
716 | struct hci_ev_conn_request *ev = (void *) skb->data; |
717 | int mask = hdev->link_mode; | |
1da177e4 | 718 | |
a9de9248 MH |
719 | BT_DBG("%s bdaddr %s type 0x%x", hdev->name, |
720 | batostr(&ev->bdaddr), ev->link_type); | |
1da177e4 | 721 | |
a9de9248 | 722 | mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type); |
1da177e4 | 723 | |
a9de9248 MH |
724 | if (mask & HCI_LM_ACCEPT) { |
725 | /* Connection accepted */ | |
1da177e4 | 726 | struct hci_conn *conn; |
a9de9248 | 727 | struct hci_cp_accept_conn_req cp; |
1da177e4 | 728 | |
a9de9248 MH |
729 | hci_dev_lock(hdev); |
730 | conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr); | |
731 | if (!conn) { | |
732 | if (!(conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr))) { | |
733 | BT_ERR("No memmory for new connection"); | |
734 | hci_dev_unlock(hdev); | |
735 | return; | |
1da177e4 LT |
736 | } |
737 | } | |
a9de9248 MH |
738 | memcpy(conn->dev_class, ev->dev_class, 3); |
739 | conn->state = BT_CONNECT; | |
740 | hci_dev_unlock(hdev); | |
1da177e4 | 741 | |
a9de9248 | 742 | bacpy(&cp.bdaddr, &ev->bdaddr); |
1da177e4 | 743 | |
a9de9248 MH |
744 | if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER)) |
745 | cp.role = 0x00; /* Become master */ | |
746 | else | |
747 | cp.role = 0x01; /* Remain slave */ | |
1da177e4 | 748 | |
a9de9248 MH |
749 | hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp), &cp); |
750 | } else { | |
751 | /* Connection rejected */ | |
752 | struct hci_cp_reject_conn_req cp; | |
1da177e4 | 753 | |
a9de9248 MH |
754 | bacpy(&cp.bdaddr, &ev->bdaddr); |
755 | cp.reason = 0x0f; | |
756 | hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp); | |
1da177e4 | 757 | } |
1da177e4 LT |
758 | } |
759 | ||
a9de9248 | 760 | static inline void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
04837f64 | 761 | { |
a9de9248 | 762 | struct hci_ev_disconn_complete *ev = (void *) skb->data; |
04837f64 MH |
763 | struct hci_conn *conn; |
764 | ||
765 | BT_DBG("%s status %d", hdev->name, ev->status); | |
766 | ||
a9de9248 MH |
767 | if (ev->status) |
768 | return; | |
769 | ||
04837f64 MH |
770 | hci_dev_lock(hdev); |
771 | ||
772 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
773 | if (conn) { | |
a9de9248 MH |
774 | conn->state = BT_CLOSED; |
775 | hci_proto_disconn_ind(conn, ev->reason); | |
776 | hci_conn_del(conn); | |
04837f64 MH |
777 | } |
778 | ||
779 | hci_dev_unlock(hdev); | |
780 | } | |
781 | ||
1da177e4 LT |
782 | static inline void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
783 | { | |
a9de9248 | 784 | struct hci_ev_auth_complete *ev = (void *) skb->data; |
04837f64 | 785 | struct hci_conn *conn; |
1da177e4 LT |
786 | |
787 | BT_DBG("%s status %d", hdev->name, ev->status); | |
788 | ||
789 | hci_dev_lock(hdev); | |
790 | ||
04837f64 | 791 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
1da177e4 LT |
792 | if (conn) { |
793 | if (!ev->status) | |
794 | conn->link_mode |= HCI_LM_AUTH; | |
795 | ||
796 | clear_bit(HCI_CONN_AUTH_PEND, &conn->pend); | |
797 | ||
798 | hci_auth_cfm(conn, ev->status); | |
799 | ||
800 | if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) { | |
801 | if (!ev->status) { | |
802 | struct hci_cp_set_conn_encrypt cp; | |
aca3192c | 803 | cp.handle = cpu_to_le16(conn->handle); |
1da177e4 | 804 | cp.encrypt = 1; |
a9de9248 MH |
805 | hci_send_cmd(conn->hdev, |
806 | HCI_OP_SET_CONN_ENCRYPT, sizeof(cp), &cp); | |
1da177e4 LT |
807 | } else { |
808 | clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend); | |
809 | hci_encrypt_cfm(conn, ev->status, 0x00); | |
810 | } | |
811 | } | |
812 | } | |
813 | ||
814 | hci_dev_unlock(hdev); | |
815 | } | |
816 | ||
a9de9248 | 817 | static inline void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 818 | { |
a9de9248 | 819 | BT_DBG("%s", hdev->name); |
1da177e4 | 820 | |
a9de9248 MH |
821 | hci_conn_check_pending(hdev); |
822 | } | |
823 | ||
824 | static inline void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
825 | { | |
826 | struct hci_ev_encrypt_change *ev = (void *) skb->data; | |
827 | struct hci_conn *conn; | |
828 | ||
829 | BT_DBG("%s status %d", hdev->name, ev->status); | |
1da177e4 LT |
830 | |
831 | hci_dev_lock(hdev); | |
832 | ||
04837f64 | 833 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
1da177e4 LT |
834 | if (conn) { |
835 | if (!ev->status) { | |
836 | if (ev->encrypt) | |
837 | conn->link_mode |= HCI_LM_ENCRYPT; | |
838 | else | |
839 | conn->link_mode &= ~HCI_LM_ENCRYPT; | |
840 | } | |
841 | ||
842 | clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend); | |
843 | ||
844 | hci_encrypt_cfm(conn, ev->status, ev->encrypt); | |
845 | } | |
846 | ||
847 | hci_dev_unlock(hdev); | |
848 | } | |
849 | ||
a9de9248 | 850 | static inline void hci_change_link_key_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 851 | { |
a9de9248 | 852 | struct hci_ev_change_link_key_complete *ev = (void *) skb->data; |
04837f64 | 853 | struct hci_conn *conn; |
1da177e4 LT |
854 | |
855 | BT_DBG("%s status %d", hdev->name, ev->status); | |
856 | ||
857 | hci_dev_lock(hdev); | |
858 | ||
04837f64 | 859 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
1da177e4 LT |
860 | if (conn) { |
861 | if (!ev->status) | |
862 | conn->link_mode |= HCI_LM_SECURE; | |
863 | ||
864 | clear_bit(HCI_CONN_AUTH_PEND, &conn->pend); | |
865 | ||
866 | hci_key_change_cfm(conn, ev->status); | |
867 | } | |
868 | ||
869 | hci_dev_unlock(hdev); | |
870 | } | |
871 | ||
a9de9248 | 872 | static inline void hci_remote_features_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 873 | { |
a9de9248 MH |
874 | struct hci_ev_remote_features *ev = (void *) skb->data; |
875 | struct hci_conn *conn; | |
876 | ||
877 | BT_DBG("%s status %d", hdev->name, ev->status); | |
878 | ||
879 | if (ev->status) | |
880 | return; | |
881 | ||
882 | hci_dev_lock(hdev); | |
883 | ||
884 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
885 | if (conn) | |
886 | memcpy(conn->features, ev->features, 8); | |
887 | ||
888 | hci_dev_unlock(hdev); | |
1da177e4 LT |
889 | } |
890 | ||
a9de9248 | 891 | static inline void hci_remote_version_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 892 | { |
a9de9248 | 893 | BT_DBG("%s", hdev->name); |
1da177e4 LT |
894 | } |
895 | ||
a9de9248 | 896 | static inline void hci_qos_setup_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 897 | { |
a9de9248 | 898 | BT_DBG("%s", hdev->name); |
1da177e4 LT |
899 | } |
900 | ||
a9de9248 MH |
901 | static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
902 | { | |
903 | struct hci_ev_cmd_complete *ev = (void *) skb->data; | |
904 | __u16 opcode; | |
905 | ||
906 | skb_pull(skb, sizeof(*ev)); | |
907 | ||
908 | opcode = __le16_to_cpu(ev->opcode); | |
909 | ||
910 | switch (opcode) { | |
911 | case HCI_OP_INQUIRY_CANCEL: | |
912 | hci_cc_inquiry_cancel(hdev, skb); | |
913 | break; | |
914 | ||
915 | case HCI_OP_EXIT_PERIODIC_INQ: | |
916 | hci_cc_exit_periodic_inq(hdev, skb); | |
917 | break; | |
918 | ||
919 | case HCI_OP_REMOTE_NAME_REQ_CANCEL: | |
920 | hci_cc_remote_name_req_cancel(hdev, skb); | |
921 | break; | |
922 | ||
923 | case HCI_OP_ROLE_DISCOVERY: | |
924 | hci_cc_role_discovery(hdev, skb); | |
925 | break; | |
926 | ||
927 | case HCI_OP_WRITE_LINK_POLICY: | |
928 | hci_cc_write_link_policy(hdev, skb); | |
929 | break; | |
930 | ||
931 | case HCI_OP_RESET: | |
932 | hci_cc_reset(hdev, skb); | |
933 | break; | |
934 | ||
935 | case HCI_OP_WRITE_LOCAL_NAME: | |
936 | hci_cc_write_local_name(hdev, skb); | |
937 | break; | |
938 | ||
939 | case HCI_OP_READ_LOCAL_NAME: | |
940 | hci_cc_read_local_name(hdev, skb); | |
941 | break; | |
942 | ||
943 | case HCI_OP_WRITE_AUTH_ENABLE: | |
944 | hci_cc_write_auth_enable(hdev, skb); | |
945 | break; | |
946 | ||
947 | case HCI_OP_WRITE_ENCRYPT_MODE: | |
948 | hci_cc_write_encrypt_mode(hdev, skb); | |
949 | break; | |
950 | ||
951 | case HCI_OP_WRITE_SCAN_ENABLE: | |
952 | hci_cc_write_scan_enable(hdev, skb); | |
953 | break; | |
954 | ||
955 | case HCI_OP_READ_CLASS_OF_DEV: | |
956 | hci_cc_read_class_of_dev(hdev, skb); | |
957 | break; | |
958 | ||
959 | case HCI_OP_WRITE_CLASS_OF_DEV: | |
960 | hci_cc_write_class_of_dev(hdev, skb); | |
961 | break; | |
962 | ||
963 | case HCI_OP_READ_VOICE_SETTING: | |
964 | hci_cc_read_voice_setting(hdev, skb); | |
965 | break; | |
966 | ||
967 | case HCI_OP_WRITE_VOICE_SETTING: | |
968 | hci_cc_write_voice_setting(hdev, skb); | |
969 | break; | |
970 | ||
971 | case HCI_OP_HOST_BUFFER_SIZE: | |
972 | hci_cc_host_buffer_size(hdev, skb); | |
973 | break; | |
974 | ||
975 | case HCI_OP_READ_LOCAL_VERSION: | |
976 | hci_cc_read_local_version(hdev, skb); | |
977 | break; | |
978 | ||
979 | case HCI_OP_READ_LOCAL_COMMANDS: | |
980 | hci_cc_read_local_commands(hdev, skb); | |
981 | break; | |
982 | ||
983 | case HCI_OP_READ_LOCAL_FEATURES: | |
984 | hci_cc_read_local_features(hdev, skb); | |
985 | break; | |
986 | ||
987 | case HCI_OP_READ_BUFFER_SIZE: | |
988 | hci_cc_read_buffer_size(hdev, skb); | |
989 | break; | |
990 | ||
991 | case HCI_OP_READ_BD_ADDR: | |
992 | hci_cc_read_bd_addr(hdev, skb); | |
993 | break; | |
994 | ||
995 | default: | |
996 | BT_DBG("%s opcode 0x%x", hdev->name, opcode); | |
997 | break; | |
998 | } | |
999 | ||
1000 | if (ev->ncmd) { | |
1001 | atomic_set(&hdev->cmd_cnt, 1); | |
1002 | if (!skb_queue_empty(&hdev->cmd_q)) | |
1003 | hci_sched_cmd(hdev); | |
1004 | } | |
1005 | } | |
1006 | ||
1007 | static inline void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
1008 | { | |
1009 | struct hci_ev_cmd_status *ev = (void *) skb->data; | |
1010 | __u16 opcode; | |
1011 | ||
1012 | skb_pull(skb, sizeof(*ev)); | |
1013 | ||
1014 | opcode = __le16_to_cpu(ev->opcode); | |
1015 | ||
1016 | switch (opcode) { | |
1017 | case HCI_OP_INQUIRY: | |
1018 | hci_cs_inquiry(hdev, ev->status); | |
1019 | break; | |
1020 | ||
1021 | case HCI_OP_CREATE_CONN: | |
1022 | hci_cs_create_conn(hdev, ev->status); | |
1023 | break; | |
1024 | ||
1025 | case HCI_OP_ADD_SCO: | |
1026 | hci_cs_add_sco(hdev, ev->status); | |
1027 | break; | |
1028 | ||
1029 | case HCI_OP_REMOTE_NAME_REQ: | |
1030 | hci_cs_remote_name_req(hdev, ev->status); | |
1031 | break; | |
1032 | ||
1033 | case HCI_OP_SETUP_SYNC_CONN: | |
1034 | hci_cs_setup_sync_conn(hdev, ev->status); | |
1035 | break; | |
1036 | ||
1037 | case HCI_OP_SNIFF_MODE: | |
1038 | hci_cs_sniff_mode(hdev, ev->status); | |
1039 | break; | |
1040 | ||
1041 | case HCI_OP_EXIT_SNIFF_MODE: | |
1042 | hci_cs_exit_sniff_mode(hdev, ev->status); | |
1043 | break; | |
1044 | ||
1045 | default: | |
1046 | BT_DBG("%s opcode 0x%x", hdev->name, opcode); | |
1047 | break; | |
1048 | } | |
1049 | ||
1050 | if (ev->ncmd) { | |
1051 | atomic_set(&hdev->cmd_cnt, 1); | |
1052 | if (!skb_queue_empty(&hdev->cmd_q)) | |
1053 | hci_sched_cmd(hdev); | |
1054 | } | |
1055 | } | |
1056 | ||
1057 | static inline void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
1058 | { | |
1059 | struct hci_ev_role_change *ev = (void *) skb->data; | |
1060 | struct hci_conn *conn; | |
1061 | ||
1062 | BT_DBG("%s status %d", hdev->name, ev->status); | |
1063 | ||
1064 | hci_dev_lock(hdev); | |
1065 | ||
1066 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
1067 | if (conn) { | |
1068 | if (!ev->status) { | |
1069 | if (ev->role) | |
1070 | conn->link_mode &= ~HCI_LM_MASTER; | |
1071 | else | |
1072 | conn->link_mode |= HCI_LM_MASTER; | |
1073 | } | |
1074 | ||
1075 | clear_bit(HCI_CONN_RSWITCH_PEND, &conn->pend); | |
1076 | ||
1077 | hci_role_switch_cfm(conn, ev->status, ev->role); | |
1078 | } | |
1079 | ||
1080 | hci_dev_unlock(hdev); | |
1081 | } | |
1082 | ||
1083 | static inline void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
1084 | { | |
1085 | struct hci_ev_num_comp_pkts *ev = (void *) skb->data; | |
1086 | __le16 *ptr; | |
1087 | int i; | |
1088 | ||
1089 | skb_pull(skb, sizeof(*ev)); | |
1090 | ||
1091 | BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl); | |
1092 | ||
1093 | if (skb->len < ev->num_hndl * 4) { | |
1094 | BT_DBG("%s bad parameters", hdev->name); | |
1095 | return; | |
1096 | } | |
1097 | ||
1098 | tasklet_disable(&hdev->tx_task); | |
1099 | ||
1100 | for (i = 0, ptr = (__le16 *) skb->data; i < ev->num_hndl; i++) { | |
1101 | struct hci_conn *conn; | |
1102 | __u16 handle, count; | |
1103 | ||
1104 | handle = __le16_to_cpu(get_unaligned(ptr++)); | |
1105 | count = __le16_to_cpu(get_unaligned(ptr++)); | |
1106 | ||
1107 | conn = hci_conn_hash_lookup_handle(hdev, handle); | |
1108 | if (conn) { | |
1109 | conn->sent -= count; | |
1110 | ||
1111 | if (conn->type == ACL_LINK) { | |
1112 | if ((hdev->acl_cnt += count) > hdev->acl_pkts) | |
1113 | hdev->acl_cnt = hdev->acl_pkts; | |
1114 | } else { | |
1115 | if ((hdev->sco_cnt += count) > hdev->sco_pkts) | |
1116 | hdev->sco_cnt = hdev->sco_pkts; | |
1117 | } | |
1118 | } | |
1119 | } | |
1120 | ||
1121 | hci_sched_tx(hdev); | |
1122 | ||
1123 | tasklet_enable(&hdev->tx_task); | |
1124 | } | |
1125 | ||
1126 | static inline void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
04837f64 | 1127 | { |
a9de9248 | 1128 | struct hci_ev_mode_change *ev = (void *) skb->data; |
04837f64 MH |
1129 | struct hci_conn *conn; |
1130 | ||
1131 | BT_DBG("%s status %d", hdev->name, ev->status); | |
1132 | ||
1133 | hci_dev_lock(hdev); | |
1134 | ||
1135 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
a9de9248 MH |
1136 | if (conn) { |
1137 | conn->mode = ev->mode; | |
1138 | conn->interval = __le16_to_cpu(ev->interval); | |
1139 | ||
1140 | if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend)) { | |
1141 | if (conn->mode == HCI_CM_ACTIVE) | |
1142 | conn->power_save = 1; | |
1143 | else | |
1144 | conn->power_save = 0; | |
1145 | } | |
04837f64 MH |
1146 | } |
1147 | ||
1148 | hci_dev_unlock(hdev); | |
1149 | } | |
1150 | ||
a9de9248 MH |
1151 | static inline void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1152 | { | |
1153 | BT_DBG("%s", hdev->name); | |
1154 | } | |
1155 | ||
1156 | static inline void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
1157 | { | |
1158 | BT_DBG("%s", hdev->name); | |
1159 | } | |
1160 | ||
1161 | static inline void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
1162 | { | |
1163 | BT_DBG("%s", hdev->name); | |
1164 | } | |
1165 | ||
1da177e4 LT |
1166 | static inline void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1167 | { | |
a9de9248 | 1168 | struct hci_ev_clock_offset *ev = (void *) skb->data; |
04837f64 | 1169 | struct hci_conn *conn; |
1da177e4 LT |
1170 | |
1171 | BT_DBG("%s status %d", hdev->name, ev->status); | |
1172 | ||
1173 | hci_dev_lock(hdev); | |
1174 | ||
04837f64 | 1175 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
1da177e4 LT |
1176 | if (conn && !ev->status) { |
1177 | struct inquiry_entry *ie; | |
1178 | ||
1179 | if ((ie = hci_inquiry_cache_lookup(hdev, &conn->dst))) { | |
1180 | ie->data.clock_offset = ev->clock_offset; | |
1181 | ie->timestamp = jiffies; | |
1182 | } | |
1183 | } | |
1184 | ||
1185 | hci_dev_unlock(hdev); | |
1186 | } | |
1187 | ||
85a1e930 MH |
1188 | static inline void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1189 | { | |
a9de9248 | 1190 | struct hci_ev_pscan_rep_mode *ev = (void *) skb->data; |
85a1e930 MH |
1191 | struct inquiry_entry *ie; |
1192 | ||
1193 | BT_DBG("%s", hdev->name); | |
1194 | ||
1195 | hci_dev_lock(hdev); | |
1196 | ||
1197 | if ((ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr))) { | |
1198 | ie->data.pscan_rep_mode = ev->pscan_rep_mode; | |
1199 | ie->timestamp = jiffies; | |
1200 | } | |
1201 | ||
1202 | hci_dev_unlock(hdev); | |
1203 | } | |
1204 | ||
a9de9248 MH |
1205 | static inline void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1206 | { | |
1207 | struct inquiry_data data; | |
1208 | int num_rsp = *((__u8 *) skb->data); | |
1209 | ||
1210 | BT_DBG("%s num_rsp %d", hdev->name, num_rsp); | |
1211 | ||
1212 | if (!num_rsp) | |
1213 | return; | |
1214 | ||
1215 | hci_dev_lock(hdev); | |
1216 | ||
1217 | if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) { | |
1218 | struct inquiry_info_with_rssi_and_pscan_mode *info = (void *) (skb->data + 1); | |
1219 | ||
1220 | for (; num_rsp; num_rsp--) { | |
1221 | bacpy(&data.bdaddr, &info->bdaddr); | |
1222 | data.pscan_rep_mode = info->pscan_rep_mode; | |
1223 | data.pscan_period_mode = info->pscan_period_mode; | |
1224 | data.pscan_mode = info->pscan_mode; | |
1225 | memcpy(data.dev_class, info->dev_class, 3); | |
1226 | data.clock_offset = info->clock_offset; | |
1227 | data.rssi = info->rssi; | |
1228 | info++; | |
1229 | hci_inquiry_cache_update(hdev, &data); | |
1230 | } | |
1231 | } else { | |
1232 | struct inquiry_info_with_rssi *info = (void *) (skb->data + 1); | |
1233 | ||
1234 | for (; num_rsp; num_rsp--) { | |
1235 | bacpy(&data.bdaddr, &info->bdaddr); | |
1236 | data.pscan_rep_mode = info->pscan_rep_mode; | |
1237 | data.pscan_period_mode = info->pscan_period_mode; | |
1238 | data.pscan_mode = 0x00; | |
1239 | memcpy(data.dev_class, info->dev_class, 3); | |
1240 | data.clock_offset = info->clock_offset; | |
1241 | data.rssi = info->rssi; | |
1242 | info++; | |
1243 | hci_inquiry_cache_update(hdev, &data); | |
1244 | } | |
1245 | } | |
1246 | ||
1247 | hci_dev_unlock(hdev); | |
1248 | } | |
1249 | ||
1250 | static inline void hci_remote_ext_features_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
1251 | { | |
1252 | BT_DBG("%s", hdev->name); | |
1253 | } | |
1254 | ||
1255 | static inline void hci_sync_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
1256 | { | |
1257 | BT_DBG("%s", hdev->name); | |
1258 | } | |
1259 | ||
1260 | static inline void hci_sync_conn_changed_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
1261 | { | |
1262 | BT_DBG("%s", hdev->name); | |
1263 | } | |
1264 | ||
04837f64 MH |
1265 | static inline void hci_sniff_subrate_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1266 | { | |
a9de9248 | 1267 | struct hci_ev_sniff_subrate *ev = (void *) skb->data; |
04837f64 MH |
1268 | struct hci_conn *conn; |
1269 | ||
1270 | BT_DBG("%s status %d", hdev->name, ev->status); | |
1271 | ||
1272 | hci_dev_lock(hdev); | |
1273 | ||
1274 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
1275 | if (conn) { | |
1276 | } | |
1277 | ||
1278 | hci_dev_unlock(hdev); | |
1279 | } | |
1280 | ||
a9de9248 | 1281 | static inline void hci_extended_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 1282 | { |
a9de9248 MH |
1283 | struct inquiry_data data; |
1284 | struct extended_inquiry_info *info = (void *) (skb->data + 1); | |
1285 | int num_rsp = *((__u8 *) skb->data); | |
1da177e4 | 1286 | |
a9de9248 | 1287 | BT_DBG("%s num_rsp %d", hdev->name, num_rsp); |
1da177e4 | 1288 | |
a9de9248 MH |
1289 | if (!num_rsp) |
1290 | return; | |
1da177e4 | 1291 | |
a9de9248 MH |
1292 | hci_dev_lock(hdev); |
1293 | ||
1294 | for (; num_rsp; num_rsp--) { | |
1295 | bacpy(&data.bdaddr, &info->bdaddr); | |
1296 | data.pscan_rep_mode = info->pscan_rep_mode; | |
1297 | data.pscan_period_mode = info->pscan_period_mode; | |
1298 | data.pscan_mode = 0x00; | |
1299 | memcpy(data.dev_class, info->dev_class, 3); | |
1300 | data.clock_offset = info->clock_offset; | |
1301 | data.rssi = info->rssi; | |
1302 | info++; | |
1303 | hci_inquiry_cache_update(hdev, &data); | |
1304 | } | |
1305 | ||
1306 | hci_dev_unlock(hdev); | |
1307 | } | |
1da177e4 | 1308 | |
a9de9248 MH |
1309 | void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb) |
1310 | { | |
1311 | struct hci_event_hdr *hdr = (void *) skb->data; | |
1312 | __u8 event = hdr->evt; | |
1313 | ||
1314 | skb_pull(skb, HCI_EVENT_HDR_SIZE); | |
1315 | ||
1316 | switch (event) { | |
1da177e4 LT |
1317 | case HCI_EV_INQUIRY_COMPLETE: |
1318 | hci_inquiry_complete_evt(hdev, skb); | |
1319 | break; | |
1320 | ||
1321 | case HCI_EV_INQUIRY_RESULT: | |
1322 | hci_inquiry_result_evt(hdev, skb); | |
1323 | break; | |
1324 | ||
a9de9248 MH |
1325 | case HCI_EV_CONN_COMPLETE: |
1326 | hci_conn_complete_evt(hdev, skb); | |
21d9e30e MH |
1327 | break; |
1328 | ||
1da177e4 LT |
1329 | case HCI_EV_CONN_REQUEST: |
1330 | hci_conn_request_evt(hdev, skb); | |
1331 | break; | |
1332 | ||
1da177e4 LT |
1333 | case HCI_EV_DISCONN_COMPLETE: |
1334 | hci_disconn_complete_evt(hdev, skb); | |
1335 | break; | |
1336 | ||
1da177e4 LT |
1337 | case HCI_EV_AUTH_COMPLETE: |
1338 | hci_auth_complete_evt(hdev, skb); | |
1339 | break; | |
1340 | ||
a9de9248 MH |
1341 | case HCI_EV_REMOTE_NAME: |
1342 | hci_remote_name_evt(hdev, skb); | |
1343 | break; | |
1344 | ||
1da177e4 LT |
1345 | case HCI_EV_ENCRYPT_CHANGE: |
1346 | hci_encrypt_change_evt(hdev, skb); | |
1347 | break; | |
1348 | ||
a9de9248 MH |
1349 | case HCI_EV_CHANGE_LINK_KEY_COMPLETE: |
1350 | hci_change_link_key_complete_evt(hdev, skb); | |
1351 | break; | |
1352 | ||
1353 | case HCI_EV_REMOTE_FEATURES: | |
1354 | hci_remote_features_evt(hdev, skb); | |
1355 | break; | |
1356 | ||
1357 | case HCI_EV_REMOTE_VERSION: | |
1358 | hci_remote_version_evt(hdev, skb); | |
1359 | break; | |
1360 | ||
1361 | case HCI_EV_QOS_SETUP_COMPLETE: | |
1362 | hci_qos_setup_complete_evt(hdev, skb); | |
1363 | break; | |
1364 | ||
1365 | case HCI_EV_CMD_COMPLETE: | |
1366 | hci_cmd_complete_evt(hdev, skb); | |
1367 | break; | |
1368 | ||
1369 | case HCI_EV_CMD_STATUS: | |
1370 | hci_cmd_status_evt(hdev, skb); | |
1371 | break; | |
1372 | ||
1373 | case HCI_EV_ROLE_CHANGE: | |
1374 | hci_role_change_evt(hdev, skb); | |
1375 | break; | |
1376 | ||
1377 | case HCI_EV_NUM_COMP_PKTS: | |
1378 | hci_num_comp_pkts_evt(hdev, skb); | |
1379 | break; | |
1380 | ||
1381 | case HCI_EV_MODE_CHANGE: | |
1382 | hci_mode_change_evt(hdev, skb); | |
1da177e4 LT |
1383 | break; |
1384 | ||
1385 | case HCI_EV_PIN_CODE_REQ: | |
1386 | hci_pin_code_request_evt(hdev, skb); | |
1387 | break; | |
1388 | ||
1389 | case HCI_EV_LINK_KEY_REQ: | |
1390 | hci_link_key_request_evt(hdev, skb); | |
1391 | break; | |
1392 | ||
1393 | case HCI_EV_LINK_KEY_NOTIFY: | |
1394 | hci_link_key_notify_evt(hdev, skb); | |
1395 | break; | |
1396 | ||
1397 | case HCI_EV_CLOCK_OFFSET: | |
1398 | hci_clock_offset_evt(hdev, skb); | |
1399 | break; | |
1400 | ||
85a1e930 MH |
1401 | case HCI_EV_PSCAN_REP_MODE: |
1402 | hci_pscan_rep_mode_evt(hdev, skb); | |
1403 | break; | |
1404 | ||
a9de9248 MH |
1405 | case HCI_EV_INQUIRY_RESULT_WITH_RSSI: |
1406 | hci_inquiry_result_with_rssi_evt(hdev, skb); | |
04837f64 MH |
1407 | break; |
1408 | ||
a9de9248 MH |
1409 | case HCI_EV_REMOTE_EXT_FEATURES: |
1410 | hci_remote_ext_features_evt(hdev, skb); | |
1da177e4 LT |
1411 | break; |
1412 | ||
a9de9248 MH |
1413 | case HCI_EV_SYNC_CONN_COMPLETE: |
1414 | hci_sync_conn_complete_evt(hdev, skb); | |
1415 | break; | |
1da177e4 | 1416 | |
a9de9248 MH |
1417 | case HCI_EV_SYNC_CONN_CHANGED: |
1418 | hci_sync_conn_changed_evt(hdev, skb); | |
1419 | break; | |
1da177e4 | 1420 | |
a9de9248 MH |
1421 | case HCI_EV_SNIFF_SUBRATE: |
1422 | hci_sniff_subrate_evt(hdev, skb); | |
1423 | break; | |
1da177e4 | 1424 | |
a9de9248 MH |
1425 | case HCI_EV_EXTENDED_INQUIRY_RESULT: |
1426 | hci_extended_inquiry_result_evt(hdev, skb); | |
1427 | break; | |
1da177e4 | 1428 | |
a9de9248 MH |
1429 | default: |
1430 | BT_DBG("%s event 0x%x", hdev->name, event); | |
1da177e4 LT |
1431 | break; |
1432 | } | |
1433 | ||
1434 | kfree_skb(skb); | |
1435 | hdev->stat.evt_rx++; | |
1436 | } | |
1437 | ||
1438 | /* Generate internal stack event */ | |
1439 | void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data) | |
1440 | { | |
1441 | struct hci_event_hdr *hdr; | |
1442 | struct hci_ev_stack_internal *ev; | |
1443 | struct sk_buff *skb; | |
1444 | ||
1445 | skb = bt_skb_alloc(HCI_EVENT_HDR_SIZE + sizeof(*ev) + dlen, GFP_ATOMIC); | |
1446 | if (!skb) | |
1447 | return; | |
1448 | ||
1449 | hdr = (void *) skb_put(skb, HCI_EVENT_HDR_SIZE); | |
1450 | hdr->evt = HCI_EV_STACK_INTERNAL; | |
1451 | hdr->plen = sizeof(*ev) + dlen; | |
1452 | ||
1453 | ev = (void *) skb_put(skb, sizeof(*ev) + dlen); | |
1454 | ev->type = type; | |
1455 | memcpy(ev->data, data, dlen); | |
1456 | ||
576c7d85 | 1457 | bt_cb(skb)->incoming = 1; |
a61bbcf2 | 1458 | __net_timestamp(skb); |
576c7d85 | 1459 | |
0d48d939 | 1460 | bt_cb(skb)->pkt_type = HCI_EVENT_PKT; |
1da177e4 LT |
1461 | skb->dev = (void *) hdev; |
1462 | hci_send_to_sock(hdev, skb); | |
1463 | kfree_skb(skb); | |
1464 | } |