hci_event.c 89.5 KB
Newer Older
1
/*
L
Linus Torvalds 已提交
2
   BlueZ - Bluetooth protocol stack for Linux
3
   Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved.
L
Linus Torvalds 已提交
4 5 6 7 8 9 10 11 12 13 14

   Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License version 2 as
   published by the Free Software Foundation;

   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
   OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
   IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
15 16 17
   CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
   WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
L
Linus Torvalds 已提交
18 19
   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

20 21
   ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
   COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
L
Linus Torvalds 已提交
22 23 24 25 26
   SOFTWARE IS DISCLAIMED.
*/

/* Bluetooth HCI event handling. */

27
#include <linux/export.h>
L
Linus Torvalds 已提交
28 29 30 31
#include <asm/unaligned.h>

#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
32
#include <net/bluetooth/mgmt.h>
33
#include <net/bluetooth/a2mp.h>
34
#include <net/bluetooth/amp.h>
L
Linus Torvalds 已提交
35 36 37

/* Handle HCI Event packets */

38
static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)
L
Linus Torvalds 已提交
39
{
40
	__u8 status = *((__u8 *) skb->data);
L
Linus Torvalds 已提交
41

42
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
L
Linus Torvalds 已提交
43

44 45 46 47
	if (status) {
		hci_dev_lock(hdev);
		mgmt_stop_discovery_failed(hdev, status);
		hci_dev_unlock(hdev);
48
		return;
49
	}
L
Linus Torvalds 已提交
50

51 52
	clear_bit(HCI_INQUIRY, &hdev->flags);

53
	hci_dev_lock(hdev);
54
	hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
55
	hci_dev_unlock(hdev);
56

57
	hci_req_complete(hdev, HCI_OP_INQUIRY_CANCEL, status);
58 59 60

	hci_conn_check_pending(hdev);
}
61

62 63 64 65
static void hci_cc_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
{
	__u8 status = *((__u8 *) skb->data);

66
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
67 68 69 70 71

	if (status)
		return;

	set_bit(HCI_PERIODIC_INQ, &hdev->dev_flags);
72 73
}

74 75 76
static void hci_cc_exit_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
{
	__u8 status = *((__u8 *) skb->data);
77

78
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
79

80 81
	if (status)
		return;
L
Linus Torvalds 已提交
82

83 84
	clear_bit(HCI_PERIODIC_INQ, &hdev->dev_flags);

85 86 87
	hci_conn_check_pending(hdev);
}

88 89
static void hci_cc_remote_name_req_cancel(struct hci_dev *hdev,
					  struct sk_buff *skb)
90 91 92 93 94 95 96 97 98
{
	BT_DBG("%s", hdev->name);
}

static void hci_cc_role_discovery(struct hci_dev *hdev, struct sk_buff *skb)
{
	struct hci_rp_role_discovery *rp = (void *) skb->data;
	struct hci_conn *conn;

99
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
100 101 102 103 104 105 106 107 108 109 110 111

	if (rp->status)
		return;

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
	if (conn) {
		if (rp->role)
			conn->link_mode &= ~HCI_LM_MASTER;
		else
			conn->link_mode |= HCI_LM_MASTER;
L
Linus Torvalds 已提交
112
	}
113 114

	hci_dev_unlock(hdev);
L
Linus Torvalds 已提交
115 116
}

117 118 119 120 121
static void hci_cc_read_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
{
	struct hci_rp_read_link_policy *rp = (void *) skb->data;
	struct hci_conn *conn;

122
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
123 124 125 126 127 128 129 130 131 132 133 134 135

	if (rp->status)
		return;

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
	if (conn)
		conn->link_policy = __le16_to_cpu(rp->policy);

	hci_dev_unlock(hdev);
}

136
static void hci_cc_write_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
L
Linus Torvalds 已提交
137
{
138
	struct hci_rp_write_link_policy *rp = (void *) skb->data;
L
Linus Torvalds 已提交
139
	struct hci_conn *conn;
140
	void *sent;
L
Linus Torvalds 已提交
141

142
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
L
Linus Torvalds 已提交
143

144 145
	if (rp->status)
		return;
L
Linus Torvalds 已提交
146

147 148 149
	sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LINK_POLICY);
	if (!sent)
		return;
L
Linus Torvalds 已提交
150

151
	hci_dev_lock(hdev);
L
Linus Torvalds 已提交
152

153
	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
154
	if (conn)
155
		conn->link_policy = get_unaligned_le16(sent + 2);
L
Linus Torvalds 已提交
156

157 158
	hci_dev_unlock(hdev);
}
L
Linus Torvalds 已提交
159

160 161
static void hci_cc_read_def_link_policy(struct hci_dev *hdev,
					struct sk_buff *skb)
162 163 164
{
	struct hci_rp_read_def_link_policy *rp = (void *) skb->data;

165
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
166 167 168 169 170 171 172

	if (rp->status)
		return;

	hdev->link_policy = __le16_to_cpu(rp->policy);
}

173 174
static void hci_cc_write_def_link_policy(struct hci_dev *hdev,
					 struct sk_buff *skb)
175 176 177 178
{
	__u8 status = *((__u8 *) skb->data);
	void *sent;

179
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
180 181 182 183 184 185 186 187

	sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_DEF_LINK_POLICY);
	if (!sent)
		return;

	if (!status)
		hdev->link_policy = get_unaligned_le16(sent);

188
	hci_req_complete(hdev, HCI_OP_WRITE_DEF_LINK_POLICY, status);
189 190
}

191 192 193
static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb)
{
	__u8 status = *((__u8 *) skb->data);
194

195
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
196

197 198
	clear_bit(HCI_RESET, &hdev->flags);

199
	hci_req_complete(hdev, HCI_OP_RESET, status);
200

201
	/* Reset all non-persistent flags */
202 203
	hdev->dev_flags &= ~(BIT(HCI_LE_SCAN) | BIT(HCI_PENDING_CLASS) |
			     BIT(HCI_PERIODIC_INQ));
204 205

	hdev->discovery.state = DISCOVERY_STOPPED;
206
}
207

208 209 210 211
static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb)
{
	__u8 status = *((__u8 *) skb->data);
	void *sent;
212

213
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
214

215 216 217
	sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME);
	if (!sent)
		return;
218

219 220
	hci_dev_lock(hdev);

221 222
	if (test_bit(HCI_MGMT, &hdev->dev_flags))
		mgmt_set_local_name_complete(hdev, sent, status);
223 224
	else if (!status)
		memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH);
225

226
	hci_dev_unlock(hdev);
227 228

	hci_req_complete(hdev, HCI_OP_WRITE_LOCAL_NAME, status);
229 230 231 232 233 234
}

static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb)
{
	struct hci_rp_read_local_name *rp = (void *) skb->data;

235
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
236 237 238 239

	if (rp->status)
		return;

240 241
	if (test_bit(HCI_SETUP, &hdev->dev_flags))
		memcpy(hdev->dev_name, rp->name, HCI_MAX_NAME_LENGTH);
242 243 244 245 246 247 248
}

static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb)
{
	__u8 status = *((__u8 *) skb->data);
	void *sent;

249
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
250 251 252 253 254 255 256 257 258 259 260 261

	sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_ENABLE);
	if (!sent)
		return;

	if (!status) {
		__u8 param = *((__u8 *) sent);

		if (param == AUTH_ENABLED)
			set_bit(HCI_AUTH, &hdev->flags);
		else
			clear_bit(HCI_AUTH, &hdev->flags);
L
Linus Torvalds 已提交
262
	}
263

264 265 266
	if (test_bit(HCI_MGMT, &hdev->dev_flags))
		mgmt_auth_enable_complete(hdev, status);

267
	hci_req_complete(hdev, HCI_OP_WRITE_AUTH_ENABLE, status);
L
Linus Torvalds 已提交
268 269
}

270
static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb)
L
Linus Torvalds 已提交
271
{
272
	__u8 status = *((__u8 *) skb->data);
L
Linus Torvalds 已提交
273 274
	void *sent;

275
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
L
Linus Torvalds 已提交
276

277 278 279
	sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE);
	if (!sent)
		return;
L
Linus Torvalds 已提交
280

281 282 283 284 285 286 287 288
	if (!status) {
		__u8 param = *((__u8 *) sent);

		if (param)
			set_bit(HCI_ENCRYPT, &hdev->flags);
		else
			clear_bit(HCI_ENCRYPT, &hdev->flags);
	}
L
Linus Torvalds 已提交
289

290
	hci_req_complete(hdev, HCI_OP_WRITE_ENCRYPT_MODE, status);
291
}
L
Linus Torvalds 已提交
292

293 294
static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb)
{
295 296
	__u8 param, status = *((__u8 *) skb->data);
	int old_pscan, old_iscan;
297
	void *sent;
L
Linus Torvalds 已提交
298

299
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
L
Linus Torvalds 已提交
300

301 302 303
	sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SCAN_ENABLE);
	if (!sent)
		return;
L
Linus Torvalds 已提交
304

305 306
	param = *((__u8 *) sent);

307 308
	hci_dev_lock(hdev);

309
	if (status) {
310
		mgmt_write_scan_failed(hdev, param, status);
311 312 313 314
		hdev->discov_timeout = 0;
		goto done;
	}

315 316 317 318 319 320
	old_pscan = test_and_clear_bit(HCI_PSCAN, &hdev->flags);
	old_iscan = test_and_clear_bit(HCI_ISCAN, &hdev->flags);

	if (param & SCAN_INQUIRY) {
		set_bit(HCI_ISCAN, &hdev->flags);
		if (!old_iscan)
321
			mgmt_discoverable(hdev, 1);
322 323 324
		if (hdev->discov_timeout > 0) {
			int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
			queue_delayed_work(hdev->workqueue, &hdev->discov_off,
325
					   to);
326
		}
327
	} else if (old_iscan)
328
		mgmt_discoverable(hdev, 0);
329 330 331 332

	if (param & SCAN_PAGE) {
		set_bit(HCI_PSCAN, &hdev->flags);
		if (!old_pscan)
333
			mgmt_connectable(hdev, 1);
334
	} else if (old_pscan)
335
		mgmt_connectable(hdev, 0);
L
Linus Torvalds 已提交
336

337
done:
338
	hci_dev_unlock(hdev);
339
	hci_req_complete(hdev, HCI_OP_WRITE_SCAN_ENABLE, status);
340
}
L
Linus Torvalds 已提交
341

342 343 344
static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
{
	struct hci_rp_read_class_of_dev *rp = (void *) skb->data;
L
Linus Torvalds 已提交
345

346
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
L
Linus Torvalds 已提交
347

348 349
	if (rp->status)
		return;
L
Linus Torvalds 已提交
350

351
	memcpy(hdev->dev_class, rp->dev_class, 3);
L
Linus Torvalds 已提交
352

353
	BT_DBG("%s class 0x%.2x%.2x%.2x", hdev->name,
354
	       hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]);
355
}
L
Linus Torvalds 已提交
356

357 358 359 360
static void hci_cc_write_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
{
	__u8 status = *((__u8 *) skb->data);
	void *sent;
L
Linus Torvalds 已提交
361

362
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
L
Linus Torvalds 已提交
363

364 365 366
	sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV);
	if (!sent)
		return;
L
Linus Torvalds 已提交
367

368 369 370 371 372 373 374 375 376
	hci_dev_lock(hdev);

	if (status == 0)
		memcpy(hdev->dev_class, sent, 3);

	if (test_bit(HCI_MGMT, &hdev->dev_flags))
		mgmt_set_class_of_dev_complete(hdev, sent, status);

	hci_dev_unlock(hdev);
377
}
L
Linus Torvalds 已提交
378

379 380 381 382 383
static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb)
{
	struct hci_rp_read_voice_setting *rp = (void *) skb->data;
	__u16 setting;

384
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
385 386 387 388 389 390

	if (rp->status)
		return;

	setting = __le16_to_cpu(rp->voice_setting);

391
	if (hdev->voice_setting == setting)
392 393 394 395
		return;

	hdev->voice_setting = setting;

396
	BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting);
397

398
	if (hdev->notify)
399 400 401
		hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
}

402 403
static void hci_cc_write_voice_setting(struct hci_dev *hdev,
				       struct sk_buff *skb)
404 405
{
	__u8 status = *((__u8 *) skb->data);
406
	__u16 setting;
407 408
	void *sent;

409
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
L
Linus Torvalds 已提交
410

411 412 413
	if (status)
		return;

414 415 416
	sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_VOICE_SETTING);
	if (!sent)
		return;
L
Linus Torvalds 已提交
417

418
	setting = get_unaligned_le16(sent);
L
Linus Torvalds 已提交
419

420 421 422 423
	if (hdev->voice_setting == setting)
		return;

	hdev->voice_setting = setting;
L
Linus Torvalds 已提交
424

425
	BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting);
L
Linus Torvalds 已提交
426

427
	if (hdev->notify)
428
		hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
L
Linus Torvalds 已提交
429 430
}

431
static void hci_cc_host_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
L
Linus Torvalds 已提交
432
{
433
	__u8 status = *((__u8 *) skb->data);
L
Linus Torvalds 已提交
434

435
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
L
Linus Torvalds 已提交
436

437
	hci_req_complete(hdev, HCI_OP_HOST_BUFFER_SIZE, status);
438
}
439

440 441 442 443 444
static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
{
	__u8 status = *((__u8 *) skb->data);
	void *sent;

445
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
446 447 448 449 450

	sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE);
	if (!sent)
		return;

451
	if (test_bit(HCI_MGMT, &hdev->dev_flags))
452 453 454 455 456 457 458
		mgmt_ssp_enable_complete(hdev, *((u8 *) sent), status);
	else if (!status) {
		if (*((u8 *) sent))
			set_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
		else
			clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
	}
459 460
}

461 462 463 464 465 466 467 468 469
static u8 hci_get_inquiry_mode(struct hci_dev *hdev)
{
	if (hdev->features[6] & LMP_EXT_INQ)
		return 2;

	if (hdev->features[3] & LMP_RSSI_INQ)
		return 1;

	if (hdev->manufacturer == 11 && hdev->hci_rev == 0x00 &&
470
	    hdev->lmp_subver == 0x0757)
471 472 473 474 475 476 477 478 479 480 481 482
		return 1;

	if (hdev->manufacturer == 15) {
		if (hdev->hci_rev == 0x03 && hdev->lmp_subver == 0x6963)
			return 1;
		if (hdev->hci_rev == 0x09 && hdev->lmp_subver == 0x6963)
			return 1;
		if (hdev->hci_rev == 0x00 && hdev->lmp_subver == 0x6965)
			return 1;
	}

	if (hdev->manufacturer == 31 && hdev->hci_rev == 0x2005 &&
483
	    hdev->lmp_subver == 0x1805)
484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504
		return 1;

	return 0;
}

static void hci_setup_inquiry_mode(struct hci_dev *hdev)
{
	u8 mode;

	mode = hci_get_inquiry_mode(hdev);

	hci_send_cmd(hdev, HCI_OP_WRITE_INQUIRY_MODE, 1, &mode);
}

static void hci_setup_event_mask(struct hci_dev *hdev)
{
	/* The second byte is 0xff instead of 0x9f (two reserved bits
	 * disabled) since a Broadcom 1.2 dongle doesn't respond to the
	 * command otherwise */
	u8 events[8] = { 0xff, 0xff, 0xfb, 0xff, 0x00, 0x00, 0x00, 0x00 };

505 506
	/* CSR 1.1 dongles does not accept any bitfield so don't try to set
	 * any event mask for pre 1.2 devices */
507
	if (hdev->hci_ver < BLUETOOTH_VER_1_2)
508 509 510 511 512 513 514
		return;

	events[4] |= 0x01; /* Flow Specification Complete */
	events[4] |= 0x02; /* Inquiry Result with RSSI */
	events[4] |= 0x04; /* Read Remote Extended Features Complete */
	events[5] |= 0x08; /* Synchronous Connection Complete */
	events[5] |= 0x10; /* Synchronous Connection Changed */
515 516

	if (hdev->features[3] & LMP_RSSI_INQ)
517
		events[4] |= 0x02; /* Inquiry Result with RSSI */
518

519
	if (lmp_sniffsubr_capable(hdev))
520 521 522 523 524 525 526 527
		events[5] |= 0x20; /* Sniff Subrating */

	if (hdev->features[5] & LMP_PAUSE_ENC)
		events[5] |= 0x80; /* Encryption Key Refresh Complete */

	if (hdev->features[6] & LMP_EXT_INQ)
		events[5] |= 0x40; /* Extended Inquiry Result */

528
	if (lmp_no_flush_capable(hdev))
529 530 531 532 533
		events[7] |= 0x01; /* Enhanced Flush Complete */

	if (hdev->features[7] & LMP_LSTO)
		events[6] |= 0x80; /* Link Supervision Timeout Changed */

534
	if (lmp_ssp_capable(hdev)) {
535 536 537 538 539 540 541 542 543 544 545 546
		events[6] |= 0x01;	/* IO Capability Request */
		events[6] |= 0x02;	/* IO Capability Response */
		events[6] |= 0x04;	/* User Confirmation Request */
		events[6] |= 0x08;	/* User Passkey Request */
		events[6] |= 0x10;	/* Remote OOB Data Request */
		events[6] |= 0x20;	/* Simple Pairing Complete */
		events[7] |= 0x04;	/* User Passkey Notification */
		events[7] |= 0x08;	/* Keypress Notification */
		events[7] |= 0x10;	/* Remote Host Supported
					 * Features Notification */
	}

547
	if (lmp_le_capable(hdev))
548 549 550 551 552 553 554
		events[7] |= 0x20;	/* LE Meta-Event */

	hci_send_cmd(hdev, HCI_OP_SET_EVENT_MASK, sizeof(events), events);
}

static void hci_setup(struct hci_dev *hdev)
{
555 556 557
	if (hdev->dev_type != HCI_BREDR)
		return;

558 559
	hci_setup_event_mask(hdev);

560
	if (hdev->hci_ver > BLUETOOTH_VER_1_1)
561 562
		hci_send_cmd(hdev, HCI_OP_READ_LOCAL_COMMANDS, 0, NULL);

563
	if (lmp_ssp_capable(hdev)) {
564 565 566
		if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
			u8 mode = 0x01;
			hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE,
567
				     sizeof(mode), &mode);
568 569 570 571 572 573 574 575
		} else {
			struct hci_cp_write_eir cp;

			memset(hdev->eir, 0, sizeof(hdev->eir));
			memset(&cp, 0, sizeof(cp));

			hci_send_cmd(hdev, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
		}
576 577 578 579 580 581 582
	}

	if (hdev->features[3] & LMP_RSSI_INQ)
		hci_setup_inquiry_mode(hdev);

	if (hdev->features[7] & LMP_INQ_TX_PWR)
		hci_send_cmd(hdev, HCI_OP_READ_INQ_RSP_TX_POWER, 0, NULL);
583 584 585 586 587

	if (hdev->features[7] & LMP_EXTFEATURES) {
		struct hci_cp_read_local_ext_features cp;

		cp.page = 0x01;
588 589
		hci_send_cmd(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES, sizeof(cp),
			     &cp);
590
	}
591

592 593
	if (test_bit(HCI_LINK_SECURITY, &hdev->dev_flags)) {
		u8 enable = 1;
594 595
		hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, sizeof(enable),
			     &enable);
596
	}
597 598
}

599 600 601
static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
{
	struct hci_rp_read_local_version *rp = (void *) skb->data;
602

603
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
604

605
	if (rp->status)
606
		goto done;
607

608
	hdev->hci_ver = rp->hci_ver;
609
	hdev->hci_rev = __le16_to_cpu(rp->hci_rev);
610
	hdev->lmp_ver = rp->lmp_ver;
611
	hdev->manufacturer = __le16_to_cpu(rp->manufacturer);
612
	hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver);
613

614
	BT_DBG("%s manufacturer 0x%4.4x hci ver %d:%d", hdev->name,
615
	       hdev->manufacturer, hdev->hci_ver, hdev->hci_rev);
616 617 618

	if (test_bit(HCI_INIT, &hdev->flags))
		hci_setup(hdev);
619 620 621

done:
	hci_req_complete(hdev, HCI_OP_READ_LOCAL_VERSION, rp->status);
622 623 624 625
}

static void hci_setup_link_policy(struct hci_dev *hdev)
{
626
	struct hci_cp_write_def_link_policy cp;
627 628
	u16 link_policy = 0;

629
	if (lmp_rswitch_capable(hdev))
630 631 632
		link_policy |= HCI_LP_RSWITCH;
	if (hdev->features[0] & LMP_HOLD)
		link_policy |= HCI_LP_HOLD;
633
	if (lmp_sniff_capable(hdev))
634 635 636 637
		link_policy |= HCI_LP_SNIFF;
	if (hdev->features[1] & LMP_PARK)
		link_policy |= HCI_LP_PARK;

638 639
	cp.policy = cpu_to_le16(link_policy);
	hci_send_cmd(hdev, HCI_OP_WRITE_DEF_LINK_POLICY, sizeof(cp), &cp);
640
}
L
Linus Torvalds 已提交
641

642 643
static void hci_cc_read_local_commands(struct hci_dev *hdev,
				       struct sk_buff *skb)
644 645
{
	struct hci_rp_read_local_commands *rp = (void *) skb->data;
L
Linus Torvalds 已提交
646

647
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
L
Linus Torvalds 已提交
648

649
	if (rp->status)
650
		goto done;
L
Linus Torvalds 已提交
651

652
	memcpy(hdev->commands, rp->commands, sizeof(hdev->commands));
653 654 655 656 657 658

	if (test_bit(HCI_INIT, &hdev->flags) && (hdev->commands[5] & 0x10))
		hci_setup_link_policy(hdev);

done:
	hci_req_complete(hdev, HCI_OP_READ_LOCAL_COMMANDS, rp->status);
659
}
L
Linus Torvalds 已提交
660

661 662
static void hci_cc_read_local_features(struct hci_dev *hdev,
				       struct sk_buff *skb)
663 664
{
	struct hci_rp_read_local_features *rp = (void *) skb->data;
665

666
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
L
Linus Torvalds 已提交
667

668 669
	if (rp->status)
		return;
670

671
	memcpy(hdev->features, rp->features, 8);
672

673 674
	/* Adjust default settings according to features
	 * supported by device. */
L
Linus Torvalds 已提交
675

676 677
	if (hdev->features[0] & LMP_3SLOT)
		hdev->pkt_type |= (HCI_DM3 | HCI_DH3);
L
Linus Torvalds 已提交
678

679 680
	if (hdev->features[0] & LMP_5SLOT)
		hdev->pkt_type |= (HCI_DM5 | HCI_DH5);
L
Linus Torvalds 已提交
681

682 683 684 685
	if (hdev->features[1] & LMP_HV2) {
		hdev->pkt_type  |= (HCI_HV2);
		hdev->esco_type |= (ESCO_HV2);
	}
L
Linus Torvalds 已提交
686

687 688 689 690
	if (hdev->features[1] & LMP_HV3) {
		hdev->pkt_type  |= (HCI_HV3);
		hdev->esco_type |= (ESCO_HV3);
	}
L
Linus Torvalds 已提交
691

692
	if (lmp_esco_capable(hdev))
693
		hdev->esco_type |= (ESCO_EV3);
694

695 696
	if (hdev->features[4] & LMP_EV4)
		hdev->esco_type |= (ESCO_EV4);
697

698 699
	if (hdev->features[4] & LMP_EV5)
		hdev->esco_type |= (ESCO_EV5);
L
Linus Torvalds 已提交
700

701 702 703 704 705 706 707 708 709
	if (hdev->features[5] & LMP_EDR_ESCO_2M)
		hdev->esco_type |= (ESCO_2EV3);

	if (hdev->features[5] & LMP_EDR_ESCO_3M)
		hdev->esco_type |= (ESCO_3EV3);

	if (hdev->features[5] & LMP_EDR_3S_ESCO)
		hdev->esco_type |= (ESCO_2EV5 | ESCO_3EV5);

710
	BT_DBG("%s features 0x%.2x%.2x%.2x%.2x%.2x%.2x%.2x%.2x", hdev->name,
711 712 713 714
	       hdev->features[0], hdev->features[1],
	       hdev->features[2], hdev->features[3],
	       hdev->features[4], hdev->features[5],
	       hdev->features[6], hdev->features[7]);
715
}
L
Linus Torvalds 已提交
716

717 718 719 720 721 722
static void hci_set_le_support(struct hci_dev *hdev)
{
	struct hci_cp_write_le_host_supported cp;

	memset(&cp, 0, sizeof(cp));

723
	if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
724 725 726 727 728
		cp.le = 1;
		cp.simul = !!(hdev->features[6] & LMP_SIMUL_LE_BR);
	}

	if (cp.le != !!(hdev->host_features[0] & LMP_HOST_LE))
729 730
		hci_send_cmd(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(cp),
			     &cp);
731 732
}

733
static void hci_cc_read_local_ext_features(struct hci_dev *hdev,
734
					   struct sk_buff *skb)
735 736 737
{
	struct hci_rp_read_local_ext_features *rp = (void *) skb->data;

738
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
739 740

	if (rp->status)
741
		goto done;
742

743 744 745 746 747 748 749 750
	switch (rp->page) {
	case 0:
		memcpy(hdev->features, rp->features, 8);
		break;
	case 1:
		memcpy(hdev->host_features, rp->features, 8);
		break;
	}
751

752
	if (test_bit(HCI_INIT, &hdev->flags) && lmp_le_capable(hdev))
753 754 755
		hci_set_le_support(hdev);

done:
756 757 758
	hci_req_complete(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES, rp->status);
}

759
static void hci_cc_read_flow_control_mode(struct hci_dev *hdev,
760
					  struct sk_buff *skb)
761 762 763
{
	struct hci_rp_read_flow_control_mode *rp = (void *) skb->data;

764
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
765 766 767 768 769 770 771 772 773

	if (rp->status)
		return;

	hdev->flow_ctl_mode = rp->mode;

	hci_req_complete(hdev, HCI_OP_READ_FLOW_CONTROL_MODE, rp->status);
}

774 775 776
static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
{
	struct hci_rp_read_buffer_size *rp = (void *) skb->data;
L
Linus Torvalds 已提交
777

778
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
L
Linus Torvalds 已提交
779

780 781
	if (rp->status)
		return;
L
Linus Torvalds 已提交
782

783 784 785 786 787 788 789 790
	hdev->acl_mtu  = __le16_to_cpu(rp->acl_mtu);
	hdev->sco_mtu  = rp->sco_mtu;
	hdev->acl_pkts = __le16_to_cpu(rp->acl_max_pkt);
	hdev->sco_pkts = __le16_to_cpu(rp->sco_max_pkt);

	if (test_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks)) {
		hdev->sco_mtu  = 64;
		hdev->sco_pkts = 8;
L
Linus Torvalds 已提交
791
	}
792 793 794 795

	hdev->acl_cnt = hdev->acl_pkts;
	hdev->sco_cnt = hdev->sco_pkts;

796 797
	BT_DBG("%s acl mtu %d:%d sco mtu %d:%d", hdev->name, hdev->acl_mtu,
	       hdev->acl_pkts, hdev->sco_mtu, hdev->sco_pkts);
798 799 800 801 802 803
}

static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb)
{
	struct hci_rp_read_bd_addr *rp = (void *) skb->data;

804
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
805 806 807 808

	if (!rp->status)
		bacpy(&hdev->bdaddr, &rp->bdaddr);

809 810 811
	hci_req_complete(hdev, HCI_OP_READ_BD_ADDR, rp->status);
}

812
static void hci_cc_read_data_block_size(struct hci_dev *hdev,
813
					struct sk_buff *skb)
814 815 816
{
	struct hci_rp_read_data_block_size *rp = (void *) skb->data;

817
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
818 819 820 821 822 823 824 825 826 827 828

	if (rp->status)
		return;

	hdev->block_mtu = __le16_to_cpu(rp->max_acl_len);
	hdev->block_len = __le16_to_cpu(rp->block_len);
	hdev->num_blocks = __le16_to_cpu(rp->num_blocks);

	hdev->block_cnt = hdev->num_blocks;

	BT_DBG("%s blk mtu %d cnt %d len %d", hdev->name, hdev->block_mtu,
829
	       hdev->block_cnt, hdev->block_len);
830 831 832 833

	hci_req_complete(hdev, HCI_OP_READ_DATA_BLOCK_SIZE, rp->status);
}

834 835 836 837
static void hci_cc_write_ca_timeout(struct hci_dev *hdev, struct sk_buff *skb)
{
	__u8 status = *((__u8 *) skb->data);

838
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
839 840

	hci_req_complete(hdev, HCI_OP_WRITE_CA_TIMEOUT, status);
841 842
}

843
static void hci_cc_read_local_amp_info(struct hci_dev *hdev,
844
				       struct sk_buff *skb)
845 846 847
{
	struct hci_rp_read_local_amp_info *rp = (void *) skb->data;

848
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
849 850

	if (rp->status)
851
		goto a2mp_rsp;
852 853 854 855 856 857 858 859 860 861 862 863 864

	hdev->amp_status = rp->amp_status;
	hdev->amp_total_bw = __le32_to_cpu(rp->total_bw);
	hdev->amp_max_bw = __le32_to_cpu(rp->max_bw);
	hdev->amp_min_latency = __le32_to_cpu(rp->min_latency);
	hdev->amp_max_pdu = __le32_to_cpu(rp->max_pdu);
	hdev->amp_type = rp->amp_type;
	hdev->amp_pal_cap = __le16_to_cpu(rp->pal_cap);
	hdev->amp_assoc_size = __le16_to_cpu(rp->max_assoc_size);
	hdev->amp_be_flush_to = __le32_to_cpu(rp->be_flush_to);
	hdev->amp_max_flush_to = __le32_to_cpu(rp->max_flush_to);

	hci_req_complete(hdev, HCI_OP_READ_LOCAL_AMP_INFO, rp->status);
865 866 867

a2mp_rsp:
	a2mp_send_getinfo_rsp(hdev);
868 869
}

870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885
static void hci_cc_read_local_amp_assoc(struct hci_dev *hdev,
					struct sk_buff *skb)
{
	struct hci_rp_read_local_amp_assoc *rp = (void *) skb->data;
	struct amp_assoc *assoc = &hdev->loc_assoc;
	size_t rem_len, frag_len;

	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);

	if (rp->status)
		goto a2mp_rsp;

	frag_len = skb->len - sizeof(*rp);
	rem_len = __le16_to_cpu(rp->rem_len);

	if (rem_len > frag_len) {
886
		BT_DBG("frag_len %ld rem_len %ld", frag_len, rem_len);
887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903

		memcpy(assoc->data + assoc->offset, rp->frag, frag_len);
		assoc->offset += frag_len;

		/* Read other fragments */
		amp_read_loc_assoc_frag(hdev, rp->phy_handle);

		return;
	}

	memcpy(assoc->data + assoc->offset, rp->frag, rem_len);
	assoc->len = assoc->offset + rem_len;
	assoc->offset = 0;

a2mp_rsp:
	/* Send A2MP Rsp when all fragments are received */
	a2mp_send_getampassoc_rsp(hdev, rp->status);
904
	a2mp_send_create_phy_link_req(hdev, rp->status);
905 906
}

907
static void hci_cc_delete_stored_link_key(struct hci_dev *hdev,
908
					  struct sk_buff *skb)
909 910 911
{
	__u8 status = *((__u8 *) skb->data);

912
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
913 914 915 916

	hci_req_complete(hdev, HCI_OP_DELETE_STORED_LINK_KEY, status);
}

917 918 919 920
static void hci_cc_set_event_mask(struct hci_dev *hdev, struct sk_buff *skb)
{
	__u8 status = *((__u8 *) skb->data);

921
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
922 923 924 925 926

	hci_req_complete(hdev, HCI_OP_SET_EVENT_MASK, status);
}

static void hci_cc_write_inquiry_mode(struct hci_dev *hdev,
927
				      struct sk_buff *skb)
928 929 930
{
	__u8 status = *((__u8 *) skb->data);

931
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
932 933 934 935 936

	hci_req_complete(hdev, HCI_OP_WRITE_INQUIRY_MODE, status);
}

static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev,
937
					 struct sk_buff *skb)
938
{
939
	struct hci_rp_read_inq_rsp_tx_power *rp = (void *) skb->data;
940

941
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
942 943 944

	if (!rp->status)
		hdev->inq_tx_power = rp->tx_power;
945

946
	hci_req_complete(hdev, HCI_OP_READ_INQ_RSP_TX_POWER, rp->status);
947 948 949 950 951 952
}

static void hci_cc_set_event_flt(struct hci_dev *hdev, struct sk_buff *skb)
{
	__u8 status = *((__u8 *) skb->data);

953
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
954 955 956 957

	hci_req_complete(hdev, HCI_OP_SET_EVENT_FLT, status);
}

958 959 960 961 962 963
static void hci_cc_pin_code_reply(struct hci_dev *hdev, struct sk_buff *skb)
{
	struct hci_rp_pin_code_reply *rp = (void *) skb->data;
	struct hci_cp_pin_code_reply *cp;
	struct hci_conn *conn;

964
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
965

966 967
	hci_dev_lock(hdev);

968
	if (test_bit(HCI_MGMT, &hdev->dev_flags))
969
		mgmt_pin_code_reply_complete(hdev, &rp->bdaddr, rp->status);
970

971
	if (rp->status)
972
		goto unlock;
973 974 975

	cp = hci_sent_cmd_data(hdev, HCI_OP_PIN_CODE_REPLY);
	if (!cp)
976
		goto unlock;
977 978 979 980

	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
	if (conn)
		conn->pin_length = cp->pin_len;
981 982 983

unlock:
	hci_dev_unlock(hdev);
984 985 986 987 988 989
}

static void hci_cc_pin_code_neg_reply(struct hci_dev *hdev, struct sk_buff *skb)
{
	struct hci_rp_pin_code_neg_reply *rp = (void *) skb->data;

990
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
991

992 993
	hci_dev_lock(hdev);

994
	if (test_bit(HCI_MGMT, &hdev->dev_flags))
995
		mgmt_pin_code_neg_reply_complete(hdev, &rp->bdaddr,
996
						 rp->status);
997 998

	hci_dev_unlock(hdev);
999
}
1000

1001 1002 1003 1004 1005
static void hci_cc_le_read_buffer_size(struct hci_dev *hdev,
				       struct sk_buff *skb)
{
	struct hci_rp_le_read_buffer_size *rp = (void *) skb->data;

1006
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019

	if (rp->status)
		return;

	hdev->le_mtu = __le16_to_cpu(rp->le_mtu);
	hdev->le_pkts = rp->le_max_pkt;

	hdev->le_cnt = hdev->le_pkts;

	BT_DBG("%s le mtu %d:%d", hdev->name, hdev->le_mtu, hdev->le_pkts);

	hci_req_complete(hdev, HCI_OP_LE_READ_BUFFER_SIZE, rp->status);
}
1020

1021 1022 1023 1024
static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb)
{
	struct hci_rp_user_confirm_reply *rp = (void *) skb->data;

1025
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1026

1027 1028
	hci_dev_lock(hdev);

1029
	if (test_bit(HCI_MGMT, &hdev->dev_flags))
1030 1031
		mgmt_user_confirm_reply_complete(hdev, &rp->bdaddr, ACL_LINK, 0,
						 rp->status);
1032 1033

	hci_dev_unlock(hdev);
1034 1035 1036
}

static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev,
1037
					  struct sk_buff *skb)
1038 1039 1040
{
	struct hci_rp_user_confirm_reply *rp = (void *) skb->data;

1041
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1042

1043 1044
	hci_dev_lock(hdev);

1045
	if (test_bit(HCI_MGMT, &hdev->dev_flags))
1046
		mgmt_user_confirm_neg_reply_complete(hdev, &rp->bdaddr,
1047
						     ACL_LINK, 0, rp->status);
1048 1049

	hci_dev_unlock(hdev);
1050 1051
}

1052 1053 1054 1055
static void hci_cc_user_passkey_reply(struct hci_dev *hdev, struct sk_buff *skb)
{
	struct hci_rp_user_confirm_reply *rp = (void *) skb->data;

1056
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1057 1058 1059

	hci_dev_lock(hdev);

1060
	if (test_bit(HCI_MGMT, &hdev->dev_flags))
1061
		mgmt_user_passkey_reply_complete(hdev, &rp->bdaddr, ACL_LINK,
1062
						 0, rp->status);
1063 1064 1065 1066 1067

	hci_dev_unlock(hdev);
}

static void hci_cc_user_passkey_neg_reply(struct hci_dev *hdev,
1068
					  struct sk_buff *skb)
1069 1070 1071
{
	struct hci_rp_user_confirm_reply *rp = (void *) skb->data;

1072
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1073 1074 1075

	hci_dev_lock(hdev);

1076
	if (test_bit(HCI_MGMT, &hdev->dev_flags))
1077
		mgmt_user_passkey_neg_reply_complete(hdev, &rp->bdaddr,
1078
						     ACL_LINK, 0, rp->status);
1079 1080 1081 1082

	hci_dev_unlock(hdev);
}

1083
static void hci_cc_read_local_oob_data_reply(struct hci_dev *hdev,
1084
					     struct sk_buff *skb)
1085 1086 1087
{
	struct hci_rp_read_local_oob_data *rp = (void *) skb->data;

1088
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1089

1090
	hci_dev_lock(hdev);
1091
	mgmt_read_local_oob_data_reply_complete(hdev, rp->hash,
1092
						rp->randomizer, rp->status);
1093
	hci_dev_unlock(hdev);
1094 1095
}

1096 1097 1098 1099
static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb)
{
	__u8 status = *((__u8 *) skb->data);

1100
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
A
Andre Guedes 已提交
1101 1102

	hci_req_complete(hdev, HCI_OP_LE_SET_SCAN_PARAM, status);
1103 1104 1105 1106 1107 1108 1109

	if (status) {
		hci_dev_lock(hdev);
		mgmt_start_discovery_failed(hdev, status);
		hci_dev_unlock(hdev);
		return;
	}
1110 1111
}

1112
static void hci_cc_le_set_scan_enable(struct hci_dev *hdev,
1113
				      struct sk_buff *skb)
1114 1115 1116 1117
{
	struct hci_cp_le_set_scan_enable *cp;
	__u8 status = *((__u8 *) skb->data);

1118
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
1119 1120 1121 1122 1123

	cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE);
	if (!cp)
		return;

1124 1125
	switch (cp->enable) {
	case LE_SCANNING_ENABLED:
A
Andre Guedes 已提交
1126 1127
		hci_req_complete(hdev, HCI_OP_LE_SET_SCAN_ENABLE, status);

1128 1129 1130 1131
		if (status) {
			hci_dev_lock(hdev);
			mgmt_start_discovery_failed(hdev, status);
			hci_dev_unlock(hdev);
A
Andre Guedes 已提交
1132
			return;
1133
		}
A
Andre Guedes 已提交
1134

1135 1136
		set_bit(HCI_LE_SCAN, &hdev->dev_flags);

1137
		hci_dev_lock(hdev);
1138
		hci_discovery_set_state(hdev, DISCOVERY_FINDING);
1139
		hci_dev_unlock(hdev);
1140 1141 1142
		break;

	case LE_SCANNING_DISABLED:
1143 1144 1145 1146
		if (status) {
			hci_dev_lock(hdev);
			mgmt_stop_discovery_failed(hdev, status);
			hci_dev_unlock(hdev);
A
Andre Guedes 已提交
1147
			return;
1148
		}
A
Andre Guedes 已提交
1149

1150 1151
		clear_bit(HCI_LE_SCAN, &hdev->dev_flags);

1152 1153
		if (hdev->discovery.type == DISCOV_TYPE_INTERLEAVED &&
		    hdev->discovery.state == DISCOVERY_FINDING) {
1154 1155 1156 1157 1158 1159 1160
			mgmt_interleaved_discovery(hdev);
		} else {
			hci_dev_lock(hdev);
			hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
			hci_dev_unlock(hdev);
		}

1161 1162 1163 1164 1165
		break;

	default:
		BT_ERR("Used reserved LE_Scan_Enable param %d", cp->enable);
		break;
1166
	}
1167 1168
}

1169 1170 1171 1172
static void hci_cc_le_ltk_reply(struct hci_dev *hdev, struct sk_buff *skb)
{
	struct hci_rp_le_ltk_reply *rp = (void *) skb->data;

1173
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184

	if (rp->status)
		return;

	hci_req_complete(hdev, HCI_OP_LE_LTK_REPLY, rp->status);
}

static void hci_cc_le_ltk_neg_reply(struct hci_dev *hdev, struct sk_buff *skb)
{
	struct hci_rp_le_ltk_neg_reply *rp = (void *) skb->data;

1185
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1186 1187 1188 1189 1190 1191 1192

	if (rp->status)
		return;

	hci_req_complete(hdev, HCI_OP_LE_LTK_NEG_REPLY, rp->status);
}

1193 1194
static void hci_cc_write_le_host_supported(struct hci_dev *hdev,
					   struct sk_buff *skb)
1195
{
1196
	struct hci_cp_write_le_host_supported *sent;
1197 1198
	__u8 status = *((__u8 *) skb->data);

1199
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
1200

1201
	sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED);
1202
	if (!sent)
1203 1204
		return;

1205 1206 1207 1208 1209 1210 1211 1212
	if (!status) {
		if (sent->le)
			hdev->host_features[0] |= LMP_HOST_LE;
		else
			hdev->host_features[0] &= ~LMP_HOST_LE;
	}

	if (test_bit(HCI_MGMT, &hdev->dev_flags) &&
1213
	    !test_bit(HCI_INIT, &hdev->flags))
1214 1215 1216
		mgmt_le_enable_complete(hdev, sent->le, status);

	hci_req_complete(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED, status);
1217 1218
}

1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232
static void hci_cc_write_remote_amp_assoc(struct hci_dev *hdev,
					  struct sk_buff *skb)
{
	struct hci_rp_write_remote_amp_assoc *rp = (void *) skb->data;

	BT_DBG("%s status 0x%2.2x phy_handle 0x%2.2x",
	       hdev->name, rp->status, rp->phy_handle);

	if (rp->status)
		return;

	amp_write_rem_assoc_continue(hdev, rp->phy_handle);
}

1233
static void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
1234
{
1235
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
1236 1237

	if (status) {
1238
		hci_req_complete(hdev, HCI_OP_INQUIRY, status);
1239
		hci_conn_check_pending(hdev);
1240
		hci_dev_lock(hdev);
1241
		if (test_bit(HCI_MGMT, &hdev->dev_flags))
1242
			mgmt_start_discovery_failed(hdev, status);
1243
		hci_dev_unlock(hdev);
1244 1245 1246
		return;
	}

1247 1248
	set_bit(HCI_INQUIRY, &hdev->flags);

1249
	hci_dev_lock(hdev);
1250
	hci_discovery_set_state(hdev, DISCOVERY_FINDING);
1251
	hci_dev_unlock(hdev);
L
Linus Torvalds 已提交
1252 1253
}

1254
static void hci_cs_create_conn(struct hci_dev *hdev, __u8 status)
L
Linus Torvalds 已提交
1255
{
1256
	struct hci_cp_create_conn *cp;
L
Linus Torvalds 已提交
1257 1258
	struct hci_conn *conn;

1259
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
1260 1261

	cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN);
L
Linus Torvalds 已提交
1262 1263 1264 1265 1266 1267 1268
	if (!cp)
		return;

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);

1269
	BT_DBG("%s bdaddr %s hcon %p", hdev->name, batostr(&cp->bdaddr), conn);
L
Linus Torvalds 已提交
1270 1271 1272

	if (status) {
		if (conn && conn->state == BT_CONNECT) {
1273 1274 1275 1276 1277 1278
			if (status != 0x0c || conn->attempt > 2) {
				conn->state = BT_CLOSED;
				hci_proto_connect_cfm(conn, status);
				hci_conn_del(conn);
			} else
				conn->state = BT_CONNECT2;
L
Linus Torvalds 已提交
1279 1280 1281 1282 1283
		}
	} else {
		if (!conn) {
			conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr);
			if (conn) {
1284
				conn->out = true;
L
Linus Torvalds 已提交
1285 1286
				conn->link_mode |= HCI_LM_MASTER;
			} else
1287
				BT_ERR("No memory for new connection");
L
Linus Torvalds 已提交
1288 1289 1290 1291 1292 1293
		}
	}

	hci_dev_unlock(hdev);
}

1294
static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status)
L
Linus Torvalds 已提交
1295
{
1296 1297 1298
	struct hci_cp_add_sco *cp;
	struct hci_conn *acl, *sco;
	__u16 handle;
L
Linus Torvalds 已提交
1299

1300
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
1301

1302 1303
	if (!status)
		return;
L
Linus Torvalds 已提交
1304

1305 1306 1307
	cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO);
	if (!cp)
		return;
L
Linus Torvalds 已提交
1308

1309
	handle = __le16_to_cpu(cp->handle);
L
Linus Torvalds 已提交
1310

1311
	BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
L
Linus Torvalds 已提交
1312

1313
	hci_dev_lock(hdev);
L
Linus Torvalds 已提交
1314

1315
	acl = hci_conn_hash_lookup_handle(hdev, handle);
1316 1317 1318 1319
	if (acl) {
		sco = acl->link;
		if (sco) {
			sco->state = BT_CLOSED;
L
Linus Torvalds 已提交
1320

1321 1322 1323
			hci_proto_connect_cfm(sco, status);
			hci_conn_del(sco);
		}
1324
	}
L
Linus Torvalds 已提交
1325

1326 1327
	hci_dev_unlock(hdev);
}
L
Linus Torvalds 已提交
1328

1329 1330 1331 1332 1333
static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status)
{
	struct hci_cp_auth_requested *cp;
	struct hci_conn *conn;

1334
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360

	if (!status)
		return;

	cp = hci_sent_cmd_data(hdev, HCI_OP_AUTH_REQUESTED);
	if (!cp)
		return;

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
	if (conn) {
		if (conn->state == BT_CONFIG) {
			hci_proto_connect_cfm(conn, status);
			hci_conn_put(conn);
		}
	}

	hci_dev_unlock(hdev);
}

static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status)
{
	struct hci_cp_set_conn_encrypt *cp;
	struct hci_conn *conn;

1361
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382

	if (!status)
		return;

	cp = hci_sent_cmd_data(hdev, HCI_OP_SET_CONN_ENCRYPT);
	if (!cp)
		return;

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
	if (conn) {
		if (conn->state == BT_CONFIG) {
			hci_proto_connect_cfm(conn, status);
			hci_conn_put(conn);
		}
	}

	hci_dev_unlock(hdev);
}

1383
static int hci_outgoing_auth_needed(struct hci_dev *hdev,
1384
				    struct hci_conn *conn)
1385 1386 1387 1388
{
	if (conn->state != BT_CONFIG || !conn->out)
		return 0;

1389
	if (conn->pending_sec_level == BT_SECURITY_SDP)
1390 1391 1392
		return 0;

	/* Only request authentication for SSP connections or non-SSP
1393
	 * devices with sec_level HIGH or if MITM protection is requested */
1394 1395
	if (!hci_conn_ssp_enabled(conn) && !(conn->auth_type & 0x01) &&
	    conn->pending_sec_level != BT_SECURITY_HIGH)
1396 1397 1398 1399 1400
		return 0;

	return 1;
}

1401
static int hci_resolve_name(struct hci_dev *hdev,
1402
				   struct inquiry_entry *e)
1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415
{
	struct hci_cp_remote_name_req cp;

	memset(&cp, 0, sizeof(cp));

	bacpy(&cp.bdaddr, &e->data.bdaddr);
	cp.pscan_rep_mode = e->data.pscan_rep_mode;
	cp.pscan_mode = e->data.pscan_mode;
	cp.clock_offset = e->data.clock_offset;

	return hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
}

1416
static bool hci_resolve_next_name(struct hci_dev *hdev)
1417 1418 1419 1420
{
	struct discovery_state *discov = &hdev->discovery;
	struct inquiry_entry *e;

1421 1422 1423 1424
	if (list_empty(&discov->resolve))
		return false;

	e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
1425 1426 1427
	if (!e)
		return false;

1428 1429 1430 1431 1432 1433 1434 1435 1436
	if (hci_resolve_name(hdev, e) == 0) {
		e->name_state = NAME_PENDING;
		return true;
	}

	return false;
}

static void hci_check_pending_name(struct hci_dev *hdev, struct hci_conn *conn,
1437
				   bdaddr_t *bdaddr, u8 *name, u8 name_len)
1438 1439 1440 1441 1442
{
	struct discovery_state *discov = &hdev->discovery;
	struct inquiry_entry *e;

	if (conn && !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
1443 1444
		mgmt_device_connected(hdev, bdaddr, ACL_LINK, 0x00, 0, name,
				      name_len, conn->dev_class);
1445 1446 1447 1448

	if (discov->state == DISCOVERY_STOPPED)
		return;

1449 1450 1451 1452 1453 1454 1455
	if (discov->state == DISCOVERY_STOPPING)
		goto discov_complete;

	if (discov->state != DISCOVERY_RESOLVING)
		return;

	e = hci_inquiry_cache_lookup_resolve(hdev, bdaddr, NAME_PENDING);
1456 1457 1458 1459 1460 1461 1462 1463 1464
	/* If the device was not found in a list of found devices names of which
	 * are pending. there is no need to continue resolving a next name as it
	 * will be done upon receiving another Remote Name Request Complete
	 * Event */
	if (!e)
		return;

	list_del(&e->list);
	if (name) {
1465
		e->name_state = NAME_KNOWN;
1466 1467
		mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00,
				 e->data.rssi, name, name_len);
1468 1469
	} else {
		e->name_state = NAME_NOT_KNOWN;
1470 1471
	}

1472
	if (hci_resolve_next_name(hdev))
1473 1474 1475 1476 1477 1478
		return;

discov_complete:
	hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
}

1479 1480
static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status)
{
1481 1482 1483
	struct hci_cp_remote_name_req *cp;
	struct hci_conn *conn;

1484
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496

	/* If successful wait for the name req complete event before
	 * checking for the need to do authentication */
	if (!status)
		return;

	cp = hci_sent_cmd_data(hdev, HCI_OP_REMOTE_NAME_REQ);
	if (!cp)
		return;

	hci_dev_lock(hdev);

1497 1498
	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);

1499
	if (test_bit(HCI_MGMT, &hdev->dev_flags))
1500
		hci_check_pending_name(hdev, conn, &cp->bdaddr, NULL, 0);
1501

1502 1503 1504 1505 1506 1507
	if (!conn)
		goto unlock;

	if (!hci_outgoing_auth_needed(hdev, conn))
		goto unlock;

1508
	if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
1509 1510 1511 1512 1513
		struct hci_cp_auth_requested cp;
		cp.handle = __cpu_to_le16(conn->handle);
		hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
	}

1514
unlock:
1515
	hci_dev_unlock(hdev);
1516
}
L
Linus Torvalds 已提交
1517

1518 1519 1520 1521 1522
static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status)
{
	struct hci_cp_read_remote_features *cp;
	struct hci_conn *conn;

1523
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549

	if (!status)
		return;

	cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_FEATURES);
	if (!cp)
		return;

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
	if (conn) {
		if (conn->state == BT_CONFIG) {
			hci_proto_connect_cfm(conn, status);
			hci_conn_put(conn);
		}
	}

	hci_dev_unlock(hdev);
}

static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status)
{
	struct hci_cp_read_remote_ext_features *cp;
	struct hci_conn *conn;

1550
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571

	if (!status)
		return;

	cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES);
	if (!cp)
		return;

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
	if (conn) {
		if (conn->state == BT_CONFIG) {
			hci_proto_connect_cfm(conn, status);
			hci_conn_put(conn);
		}
	}

	hci_dev_unlock(hdev);
}

1572 1573
static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status)
{
1574 1575 1576 1577
	struct hci_cp_setup_sync_conn *cp;
	struct hci_conn *acl, *sco;
	__u16 handle;

1578
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
1579 1580 1581 1582 1583 1584 1585 1586 1587 1588

	if (!status)
		return;

	cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN);
	if (!cp)
		return;

	handle = __le16_to_cpu(cp->handle);

1589
	BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
1590 1591 1592 1593

	hci_dev_lock(hdev);

	acl = hci_conn_hash_lookup_handle(hdev, handle);
1594 1595 1596 1597
	if (acl) {
		sco = acl->link;
		if (sco) {
			sco->state = BT_CLOSED;
1598

1599 1600 1601
			hci_proto_connect_cfm(sco, status);
			hci_conn_del(sco);
		}
1602 1603 1604
	}

	hci_dev_unlock(hdev);
L
Linus Torvalds 已提交
1605 1606
}

1607
static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status)
L
Linus Torvalds 已提交
1608
{
1609 1610
	struct hci_cp_sniff_mode *cp;
	struct hci_conn *conn;
L
Linus Torvalds 已提交
1611

1612
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
1613

1614 1615
	if (!status)
		return;
1616

1617 1618 1619
	cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE);
	if (!cp)
		return;
1620

1621
	hci_dev_lock(hdev);
1622

1623
	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1624
	if (conn) {
1625
		clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
1626

1627
		if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
1628 1629 1630
			hci_sco_setup(conn, status);
	}

1631 1632
	hci_dev_unlock(hdev);
}
1633

1634 1635 1636 1637
static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status)
{
	struct hci_cp_exit_sniff_mode *cp;
	struct hci_conn *conn;
1638

1639
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
1640

1641 1642
	if (!status)
		return;
1643

1644 1645 1646
	cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE);
	if (!cp)
		return;
1647

1648
	hci_dev_lock(hdev);
L
Linus Torvalds 已提交
1649

1650
	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1651
	if (conn) {
1652
		clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
L
Linus Torvalds 已提交
1653

1654
		if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
1655 1656 1657
			hci_sco_setup(conn, status);
	}

1658
	hci_dev_unlock(hdev);
L
Linus Torvalds 已提交
1659 1660
}

1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677
static void hci_cs_disconnect(struct hci_dev *hdev, u8 status)
{
	struct hci_cp_disconnect *cp;
	struct hci_conn *conn;

	if (!status)
		return;

	cp = hci_sent_cmd_data(hdev, HCI_OP_DISCONNECT);
	if (!cp)
		return;

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
	if (conn)
		mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
1678
				       conn->dst_type, status);
1679 1680 1681 1682

	hci_dev_unlock(hdev);
}

V
Ville Tervo 已提交
1683 1684 1685 1686
static void hci_cs_le_create_conn(struct hci_dev *hdev, __u8 status)
{
	struct hci_conn *conn;

1687
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
V
Ville Tervo 已提交
1688

1689 1690
	if (status) {
		hci_dev_lock(hdev);
V
Ville Tervo 已提交
1691

1692
		conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
1693 1694 1695 1696
		if (!conn) {
			hci_dev_unlock(hdev);
			return;
		}
V
Ville Tervo 已提交
1697

1698
		BT_DBG("%s bdaddr %s conn %p", hdev->name, batostr(&conn->dst),
1699
		       conn);
V
Ville Tervo 已提交
1700

1701
		conn->state = BT_CLOSED;
1702
		mgmt_connect_failed(hdev, &conn->dst, conn->type,
1703 1704 1705
				    conn->dst_type, status);
		hci_proto_connect_cfm(conn, status);
		hci_conn_del(conn);
V
Ville Tervo 已提交
1706

1707 1708
		hci_dev_unlock(hdev);
	}
V
Ville Tervo 已提交
1709 1710
}

1711 1712
static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status)
{
1713
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
1714 1715
}

1716 1717
static void hci_cs_create_phylink(struct hci_dev *hdev, u8 status)
{
1718 1719
	struct hci_cp_create_phy_link *cp;

1720
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
1721 1722 1723 1724 1725 1726 1727 1728 1729

	if (status)
		return;

	cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_PHY_LINK);
	if (!cp)
		return;

	amp_write_remote_assoc(hdev, cp->phy_handle);
1730 1731
}

1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747
static void hci_cs_accept_phylink(struct hci_dev *hdev, u8 status)
{
	struct hci_cp_accept_phy_link *cp;

	BT_DBG("%s status 0x%2.2x", hdev->name, status);

	if (status)
		return;

	cp = hci_sent_cmd_data(hdev, HCI_OP_ACCEPT_PHY_LINK);
	if (!cp)
		return;

	amp_write_remote_assoc(hdev, cp->phy_handle);
}

1748
static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
L
Linus Torvalds 已提交
1749 1750
{
	__u8 status = *((__u8 *) skb->data);
1751 1752
	struct discovery_state *discov = &hdev->discovery;
	struct inquiry_entry *e;
L
Linus Torvalds 已提交
1753

1754
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
L
Linus Torvalds 已提交
1755

1756
	hci_req_complete(hdev, HCI_OP_INQUIRY, status);
1757

1758
	hci_conn_check_pending(hdev);
1759 1760 1761 1762

	if (!test_and_clear_bit(HCI_INQUIRY, &hdev->flags))
		return;

1763
	if (!test_bit(HCI_MGMT, &hdev->dev_flags))
1764 1765
		return;

1766
	hci_dev_lock(hdev);
1767

1768
	if (discov->state != DISCOVERY_FINDING)
1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784
		goto unlock;

	if (list_empty(&discov->resolve)) {
		hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
		goto unlock;
	}

	e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
	if (e && hci_resolve_name(hdev, e) == 0) {
		e->name_state = NAME_PENDING;
		hci_discovery_set_state(hdev, DISCOVERY_RESOLVING);
	} else {
		hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
	}

unlock:
1785
	hci_dev_unlock(hdev);
L
Linus Torvalds 已提交
1786 1787
}

1788
static void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
L
Linus Torvalds 已提交
1789
{
1790
	struct inquiry_data data;
1791
	struct inquiry_info *info = (void *) (skb->data + 1);
L
Linus Torvalds 已提交
1792 1793 1794 1795
	int num_rsp = *((__u8 *) skb->data);

	BT_DBG("%s num_rsp %d", hdev->name, num_rsp);

1796 1797 1798
	if (!num_rsp)
		return;

1799 1800 1801
	if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
		return;

L
Linus Torvalds 已提交
1802
	hci_dev_lock(hdev);
1803

1804
	for (; num_rsp; num_rsp--, info++) {
1805
		bool name_known, ssp;
1806

L
Linus Torvalds 已提交
1807 1808 1809 1810 1811 1812 1813
		bacpy(&data.bdaddr, &info->bdaddr);
		data.pscan_rep_mode	= info->pscan_rep_mode;
		data.pscan_period_mode	= info->pscan_period_mode;
		data.pscan_mode		= info->pscan_mode;
		memcpy(data.dev_class, info->dev_class, 3);
		data.clock_offset	= info->clock_offset;
		data.rssi		= 0x00;
1814
		data.ssp_mode		= 0x00;
1815

1816
		name_known = hci_inquiry_cache_update(hdev, &data, false, &ssp);
1817
		mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
1818 1819
				  info->dev_class, 0, !name_known, ssp, NULL,
				  0);
L
Linus Torvalds 已提交
1820
	}
1821

L
Linus Torvalds 已提交
1822 1823 1824
	hci_dev_unlock(hdev);
}

1825
static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
L
Linus Torvalds 已提交
1826
{
1827 1828
	struct hci_ev_conn_complete *ev = (void *) skb->data;
	struct hci_conn *conn;
L
Linus Torvalds 已提交
1829 1830 1831 1832 1833 1834

	BT_DBG("%s", hdev->name);

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
1835 1836 1837 1838 1839 1840 1841 1842 1843 1844
	if (!conn) {
		if (ev->link_type != SCO_LINK)
			goto unlock;

		conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
		if (!conn)
			goto unlock;

		conn->type = SCO_LINK;
	}
L
Linus Torvalds 已提交
1845 1846 1847

	if (!ev->status) {
		conn->handle = __le16_to_cpu(ev->handle);
1848 1849 1850 1851

		if (conn->type == ACL_LINK) {
			conn->state = BT_CONFIG;
			hci_conn_hold(conn);
1852 1853 1854 1855 1856 1857

			if (!conn->out && !hci_conn_ssp_enabled(conn) &&
			    !hci_find_link_key(hdev, &ev->bdaddr))
				conn->disc_timeout = HCI_PAIRING_TIMEOUT;
			else
				conn->disc_timeout = HCI_DISCONN_TIMEOUT;
1858 1859
		} else
			conn->state = BT_CONNECTED;
L
Linus Torvalds 已提交
1860

1861
		hci_conn_hold_device(conn);
1862 1863
		hci_conn_add_sysfs(conn);

L
Linus Torvalds 已提交
1864 1865 1866 1867 1868 1869
		if (test_bit(HCI_AUTH, &hdev->flags))
			conn->link_mode |= HCI_LM_AUTH;

		if (test_bit(HCI_ENCRYPT, &hdev->flags))
			conn->link_mode |= HCI_LM_ENCRYPT;

1870 1871 1872 1873
		/* Get remote features */
		if (conn->type == ACL_LINK) {
			struct hci_cp_read_remote_features cp;
			cp.handle = ev->handle;
1874
			hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES,
1875
				     sizeof(cp), &cp);
1876 1877
		}

L
Linus Torvalds 已提交
1878
		/* Set packet type for incoming connection */
1879
		if (!conn->out && hdev->hci_ver < BLUETOOTH_VER_2_0) {
L
Linus Torvalds 已提交
1880 1881
			struct hci_cp_change_conn_ptype cp;
			cp.handle = ev->handle;
1882
			cp.pkt_type = cpu_to_le16(conn->pkt_type);
1883 1884
			hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp),
				     &cp);
L
Linus Torvalds 已提交
1885
		}
1886
	} else {
L
Linus Torvalds 已提交
1887
		conn->state = BT_CLOSED;
1888
		if (conn->type == ACL_LINK)
1889
			mgmt_connect_failed(hdev, &ev->bdaddr, conn->type,
1890
					    conn->dst_type, ev->status);
1891
	}
L
Linus Torvalds 已提交
1892

1893 1894
	if (conn->type == ACL_LINK)
		hci_sco_setup(conn, ev->status);
L
Linus Torvalds 已提交
1895

1896 1897
	if (ev->status) {
		hci_proto_connect_cfm(conn, ev->status);
L
Linus Torvalds 已提交
1898
		hci_conn_del(conn);
1899 1900
	} else if (ev->link_type != ACL_LINK)
		hci_proto_connect_cfm(conn, ev->status);
L
Linus Torvalds 已提交
1901

1902
unlock:
L
Linus Torvalds 已提交
1903 1904
	hci_dev_unlock(hdev);

1905
	hci_conn_check_pending(hdev);
L
Linus Torvalds 已提交
1906 1907
}

1908
static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
L
Linus Torvalds 已提交
1909
{
1910 1911
	struct hci_ev_conn_request *ev = (void *) skb->data;
	int mask = hdev->link_mode;
L
Linus Torvalds 已提交
1912

1913 1914
	BT_DBG("%s bdaddr %s type 0x%x", hdev->name, batostr(&ev->bdaddr),
	       ev->link_type);
L
Linus Torvalds 已提交
1915

1916
	mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type);
L
Linus Torvalds 已提交
1917

1918
	if ((mask & HCI_LM_ACCEPT) &&
1919
	    !hci_blacklist_lookup(hdev, &ev->bdaddr)) {
1920
		/* Connection accepted */
1921
		struct inquiry_entry *ie;
L
Linus Torvalds 已提交
1922 1923
		struct hci_conn *conn;

1924
		hci_dev_lock(hdev);
1925

1926 1927
		ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
		if (ie)
1928 1929
			memcpy(ie->data.dev_class, ev->dev_class, 3);

1930 1931
		conn = hci_conn_hash_lookup_ba(hdev, ev->link_type,
					       &ev->bdaddr);
1932
		if (!conn) {
1933 1934
			conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr);
			if (!conn) {
1935
				BT_ERR("No memory for new connection");
1936 1937
				hci_dev_unlock(hdev);
				return;
L
Linus Torvalds 已提交
1938 1939
			}
		}
1940

1941 1942
		memcpy(conn->dev_class, ev->dev_class, 3);
		conn->state = BT_CONNECT;
1943

1944
		hci_dev_unlock(hdev);
L
Linus Torvalds 已提交
1945

1946 1947
		if (ev->link_type == ACL_LINK || !lmp_esco_capable(hdev)) {
			struct hci_cp_accept_conn_req cp;
L
Linus Torvalds 已提交
1948

1949 1950 1951 1952 1953 1954 1955
			bacpy(&cp.bdaddr, &ev->bdaddr);

			if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER))
				cp.role = 0x00; /* Become master */
			else
				cp.role = 0x01; /* Remain slave */

1956 1957
			hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp),
				     &cp);
1958 1959 1960 1961
		} else {
			struct hci_cp_accept_sync_conn_req cp;

			bacpy(&cp.bdaddr, &ev->bdaddr);
1962
			cp.pkt_type = cpu_to_le16(conn->pkt_type);
1963

1964 1965 1966
			cp.tx_bandwidth   = __constant_cpu_to_le32(0x00001f40);
			cp.rx_bandwidth   = __constant_cpu_to_le32(0x00001f40);
			cp.max_latency    = __constant_cpu_to_le16(0xffff);
1967 1968
			cp.content_format = cpu_to_le16(hdev->voice_setting);
			cp.retrans_effort = 0xff;
L
Linus Torvalds 已提交
1969

1970
			hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ,
1971
				     sizeof(cp), &cp);
1972
		}
1973 1974 1975
	} else {
		/* Connection rejected */
		struct hci_cp_reject_conn_req cp;
L
Linus Torvalds 已提交
1976

1977
		bacpy(&cp.bdaddr, &ev->bdaddr);
1978
		cp.reason = HCI_ERROR_REJ_BAD_ADDR;
1979
		hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp);
L
Linus Torvalds 已提交
1980 1981 1982
	}
}

1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998
static u8 hci_to_mgmt_reason(u8 err)
{
	switch (err) {
	case HCI_ERROR_CONNECTION_TIMEOUT:
		return MGMT_DEV_DISCONN_TIMEOUT;
	case HCI_ERROR_REMOTE_USER_TERM:
	case HCI_ERROR_REMOTE_LOW_RESOURCES:
	case HCI_ERROR_REMOTE_POWER_OFF:
		return MGMT_DEV_DISCONN_REMOTE;
	case HCI_ERROR_LOCAL_HOST_TERM:
		return MGMT_DEV_DISCONN_LOCAL_HOST;
	default:
		return MGMT_DEV_DISCONN_UNKNOWN;
	}
}

1999
static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
2000
{
2001
	struct hci_ev_disconn_complete *ev = (void *) skb->data;
2002 2003
	struct hci_conn *conn;

2004
	BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
2005 2006 2007 2008

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2009 2010
	if (!conn)
		goto unlock;
2011

2012 2013
	if (ev->status == 0)
		conn->state = BT_CLOSED;
2014

2015
	if (test_and_clear_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags) &&
2016
	    (conn->type == ACL_LINK || conn->type == LE_LINK)) {
2017
		if (ev->status) {
2018
			mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
2019
					       conn->dst_type, ev->status);
2020 2021 2022
		} else {
			u8 reason = hci_to_mgmt_reason(ev->reason);

2023
			mgmt_device_disconnected(hdev, &conn->dst, conn->type,
2024 2025
						 conn->dst_type, reason);
		}
2026
	}
2027

2028
	if (ev->status == 0) {
2029 2030
		if (conn->type == ACL_LINK && conn->flush_key)
			hci_remove_link_key(hdev, &conn->dst);
2031 2032 2033
		hci_proto_disconn_cfm(conn, ev->reason);
		hci_conn_del(conn);
	}
2034 2035

unlock:
2036 2037 2038
	hci_dev_unlock(hdev);
}

2039
static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
L
Linus Torvalds 已提交
2040
{
2041
	struct hci_ev_auth_complete *ev = (void *) skb->data;
2042
	struct hci_conn *conn;
L
Linus Torvalds 已提交
2043

2044
	BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
L
Linus Torvalds 已提交
2045 2046 2047

	hci_dev_lock(hdev);

2048
	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2049 2050 2051 2052
	if (!conn)
		goto unlock;

	if (!ev->status) {
2053
		if (!hci_conn_ssp_enabled(conn) &&
2054
		    test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) {
2055
			BT_INFO("re-auth of legacy device is not possible.");
2056
		} else {
2057 2058
			conn->link_mode |= HCI_LM_AUTH;
			conn->sec_level = conn->pending_sec_level;
2059
		}
2060
	} else {
2061
		mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type,
2062
				 ev->status);
2063
	}
L
Linus Torvalds 已提交
2064

2065 2066
	clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
	clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags);
L
Linus Torvalds 已提交
2067

2068
	if (conn->state == BT_CONFIG) {
2069
		if (!ev->status && hci_conn_ssp_enabled(conn)) {
2070 2071 2072 2073
			struct hci_cp_set_conn_encrypt cp;
			cp.handle  = ev->handle;
			cp.encrypt = 0x01;
			hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
2074
				     &cp);
2075
		} else {
2076 2077
			conn->state = BT_CONNECTED;
			hci_proto_connect_cfm(conn, ev->status);
2078 2079
			hci_conn_put(conn);
		}
2080 2081
	} else {
		hci_auth_cfm(conn, ev->status);
2082

2083 2084 2085 2086 2087
		hci_conn_hold(conn);
		conn->disc_timeout = HCI_DISCONN_TIMEOUT;
		hci_conn_put(conn);
	}

2088
	if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) {
2089 2090 2091 2092 2093
		if (!ev->status) {
			struct hci_cp_set_conn_encrypt cp;
			cp.handle  = ev->handle;
			cp.encrypt = 0x01;
			hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
2094
				     &cp);
2095
		} else {
2096
			clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
2097
			hci_encrypt_cfm(conn, ev->status, 0x00);
L
Linus Torvalds 已提交
2098 2099 2100
		}
	}

2101
unlock:
L
Linus Torvalds 已提交
2102 2103 2104
	hci_dev_unlock(hdev);
}

2105
static void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb)
L
Linus Torvalds 已提交
2106
{
2107 2108 2109
	struct hci_ev_remote_name *ev = (void *) skb->data;
	struct hci_conn *conn;

2110
	BT_DBG("%s", hdev->name);
L
Linus Torvalds 已提交
2111

2112
	hci_conn_check_pending(hdev);
2113 2114 2115

	hci_dev_lock(hdev);

2116
	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2117

2118 2119
	if (!test_bit(HCI_MGMT, &hdev->dev_flags))
		goto check_auth;
2120

2121 2122
	if (ev->status == 0)
		hci_check_pending_name(hdev, conn, &ev->bdaddr, ev->name,
2123
				       strnlen(ev->name, HCI_MAX_NAME_LENGTH));
2124 2125 2126 2127
	else
		hci_check_pending_name(hdev, conn, &ev->bdaddr, NULL, 0);

check_auth:
2128 2129 2130 2131 2132 2133
	if (!conn)
		goto unlock;

	if (!hci_outgoing_auth_needed(hdev, conn))
		goto unlock;

2134
	if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
2135 2136 2137 2138 2139
		struct hci_cp_auth_requested cp;
		cp.handle = __cpu_to_le16(conn->handle);
		hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
	}

2140
unlock:
2141
	hci_dev_unlock(hdev);
2142 2143
}

2144
static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
2145 2146 2147 2148
{
	struct hci_ev_encrypt_change *ev = (void *) skb->data;
	struct hci_conn *conn;

2149
	BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
L
Linus Torvalds 已提交
2150 2151 2152

	hci_dev_lock(hdev);

2153
	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
L
Linus Torvalds 已提交
2154 2155
	if (conn) {
		if (!ev->status) {
2156 2157 2158
			if (ev->encrypt) {
				/* Encryption implies authentication */
				conn->link_mode |= HCI_LM_AUTH;
L
Linus Torvalds 已提交
2159
				conn->link_mode |= HCI_LM_ENCRYPT;
2160
				conn->sec_level = conn->pending_sec_level;
2161
			} else
L
Linus Torvalds 已提交
2162 2163 2164
				conn->link_mode &= ~HCI_LM_ENCRYPT;
		}

2165
		clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
L
Linus Torvalds 已提交
2166

2167
		if (ev->status && conn->state == BT_CONNECTED) {
2168
			hci_acl_disconn(conn, HCI_ERROR_AUTH_FAILURE);
2169 2170 2171 2172
			hci_conn_put(conn);
			goto unlock;
		}

2173 2174 2175 2176 2177 2178 2179 2180
		if (conn->state == BT_CONFIG) {
			if (!ev->status)
				conn->state = BT_CONNECTED;

			hci_proto_connect_cfm(conn, ev->status);
			hci_conn_put(conn);
		} else
			hci_encrypt_cfm(conn, ev->status, ev->encrypt);
L
Linus Torvalds 已提交
2181 2182
	}

2183
unlock:
L
Linus Torvalds 已提交
2184 2185 2186
	hci_dev_unlock(hdev);
}

2187 2188
static void hci_change_link_key_complete_evt(struct hci_dev *hdev,
					     struct sk_buff *skb)
L
Linus Torvalds 已提交
2189
{
2190
	struct hci_ev_change_link_key_complete *ev = (void *) skb->data;
2191
	struct hci_conn *conn;
L
Linus Torvalds 已提交
2192

2193
	BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
L
Linus Torvalds 已提交
2194 2195 2196

	hci_dev_lock(hdev);

2197
	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
L
Linus Torvalds 已提交
2198 2199 2200 2201
	if (conn) {
		if (!ev->status)
			conn->link_mode |= HCI_LM_SECURE;

2202
		clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
L
Linus Torvalds 已提交
2203 2204 2205 2206 2207 2208 2209

		hci_key_change_cfm(conn, ev->status);
	}

	hci_dev_unlock(hdev);
}

2210 2211
static void hci_remote_features_evt(struct hci_dev *hdev,
				    struct sk_buff *skb)
L
Linus Torvalds 已提交
2212
{
2213 2214 2215
	struct hci_ev_remote_features *ev = (void *) skb->data;
	struct hci_conn *conn;

2216
	BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
2217 2218 2219 2220

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2221 2222
	if (!conn)
		goto unlock;
2223

2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234
	if (!ev->status)
		memcpy(conn->features, ev->features, 8);

	if (conn->state != BT_CONFIG)
		goto unlock;

	if (!ev->status && lmp_ssp_capable(hdev) && lmp_ssp_capable(conn)) {
		struct hci_cp_read_remote_ext_features cp;
		cp.handle = ev->handle;
		cp.page = 0x01;
		hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES,
2235
			     sizeof(cp), &cp);
2236 2237 2238
		goto unlock;
	}

2239
	if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
2240 2241 2242 2243 2244
		struct hci_cp_remote_name_req cp;
		memset(&cp, 0, sizeof(cp));
		bacpy(&cp.bdaddr, &conn->dst);
		cp.pscan_rep_mode = 0x02;
		hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
2245 2246
	} else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
		mgmt_device_connected(hdev, &conn->dst, conn->type,
2247 2248
				      conn->dst_type, 0, NULL, 0,
				      conn->dev_class);
2249

2250
	if (!hci_outgoing_auth_needed(hdev, conn)) {
2251 2252 2253
		conn->state = BT_CONNECTED;
		hci_proto_connect_cfm(conn, ev->status);
		hci_conn_put(conn);
2254
	}
2255

2256
unlock:
2257
	hci_dev_unlock(hdev);
L
Linus Torvalds 已提交
2258 2259
}

2260
static void hci_remote_version_evt(struct hci_dev *hdev, struct sk_buff *skb)
L
Linus Torvalds 已提交
2261
{
2262
	BT_DBG("%s", hdev->name);
L
Linus Torvalds 已提交
2263 2264
}

2265 2266
static void hci_qos_setup_complete_evt(struct hci_dev *hdev,
				       struct sk_buff *skb)
L
Linus Torvalds 已提交
2267
{
2268
	BT_DBG("%s", hdev->name);
L
Linus Torvalds 已提交
2269 2270
}

2271
static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284
{
	struct hci_ev_cmd_complete *ev = (void *) skb->data;
	__u16 opcode;

	skb_pull(skb, sizeof(*ev));

	opcode = __le16_to_cpu(ev->opcode);

	switch (opcode) {
	case HCI_OP_INQUIRY_CANCEL:
		hci_cc_inquiry_cancel(hdev, skb);
		break;

2285 2286 2287 2288
	case HCI_OP_PERIODIC_INQ:
		hci_cc_periodic_inq(hdev, skb);
		break;

2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299 2300
	case HCI_OP_EXIT_PERIODIC_INQ:
		hci_cc_exit_periodic_inq(hdev, skb);
		break;

	case HCI_OP_REMOTE_NAME_REQ_CANCEL:
		hci_cc_remote_name_req_cancel(hdev, skb);
		break;

	case HCI_OP_ROLE_DISCOVERY:
		hci_cc_role_discovery(hdev, skb);
		break;

2301 2302 2303 2304
	case HCI_OP_READ_LINK_POLICY:
		hci_cc_read_link_policy(hdev, skb);
		break;

2305 2306 2307 2308
	case HCI_OP_WRITE_LINK_POLICY:
		hci_cc_write_link_policy(hdev, skb);
		break;

2309 2310 2311 2312 2313 2314 2315 2316
	case HCI_OP_READ_DEF_LINK_POLICY:
		hci_cc_read_def_link_policy(hdev, skb);
		break;

	case HCI_OP_WRITE_DEF_LINK_POLICY:
		hci_cc_write_def_link_policy(hdev, skb);
		break;

2317 2318 2319 2320 2321 2322 2323 2324 2325 2326 2327 2328 2329 2330 2331 2332 2333 2334 2335 2336 2337 2338 2339 2340 2341 2342 2343 2344 2345 2346 2347 2348 2349 2350 2351 2352 2353 2354 2355 2356 2357 2358 2359 2360
	case HCI_OP_RESET:
		hci_cc_reset(hdev, skb);
		break;

	case HCI_OP_WRITE_LOCAL_NAME:
		hci_cc_write_local_name(hdev, skb);
		break;

	case HCI_OP_READ_LOCAL_NAME:
		hci_cc_read_local_name(hdev, skb);
		break;

	case HCI_OP_WRITE_AUTH_ENABLE:
		hci_cc_write_auth_enable(hdev, skb);
		break;

	case HCI_OP_WRITE_ENCRYPT_MODE:
		hci_cc_write_encrypt_mode(hdev, skb);
		break;

	case HCI_OP_WRITE_SCAN_ENABLE:
		hci_cc_write_scan_enable(hdev, skb);
		break;

	case HCI_OP_READ_CLASS_OF_DEV:
		hci_cc_read_class_of_dev(hdev, skb);
		break;

	case HCI_OP_WRITE_CLASS_OF_DEV:
		hci_cc_write_class_of_dev(hdev, skb);
		break;

	case HCI_OP_READ_VOICE_SETTING:
		hci_cc_read_voice_setting(hdev, skb);
		break;

	case HCI_OP_WRITE_VOICE_SETTING:
		hci_cc_write_voice_setting(hdev, skb);
		break;

	case HCI_OP_HOST_BUFFER_SIZE:
		hci_cc_host_buffer_size(hdev, skb);
		break;

2361 2362 2363 2364
	case HCI_OP_WRITE_SSP_MODE:
		hci_cc_write_ssp_mode(hdev, skb);
		break;

2365 2366 2367 2368 2369 2370 2371 2372 2373 2374 2375 2376
	case HCI_OP_READ_LOCAL_VERSION:
		hci_cc_read_local_version(hdev, skb);
		break;

	case HCI_OP_READ_LOCAL_COMMANDS:
		hci_cc_read_local_commands(hdev, skb);
		break;

	case HCI_OP_READ_LOCAL_FEATURES:
		hci_cc_read_local_features(hdev, skb);
		break;

2377 2378 2379 2380
	case HCI_OP_READ_LOCAL_EXT_FEATURES:
		hci_cc_read_local_ext_features(hdev, skb);
		break;

2381 2382 2383 2384 2385 2386 2387 2388
	case HCI_OP_READ_BUFFER_SIZE:
		hci_cc_read_buffer_size(hdev, skb);
		break;

	case HCI_OP_READ_BD_ADDR:
		hci_cc_read_bd_addr(hdev, skb);
		break;

2389 2390 2391 2392
	case HCI_OP_READ_DATA_BLOCK_SIZE:
		hci_cc_read_data_block_size(hdev, skb);
		break;

2393 2394 2395 2396
	case HCI_OP_WRITE_CA_TIMEOUT:
		hci_cc_write_ca_timeout(hdev, skb);
		break;

2397 2398 2399 2400
	case HCI_OP_READ_FLOW_CONTROL_MODE:
		hci_cc_read_flow_control_mode(hdev, skb);
		break;

2401 2402 2403 2404
	case HCI_OP_READ_LOCAL_AMP_INFO:
		hci_cc_read_local_amp_info(hdev, skb);
		break;

2405 2406 2407 2408
	case HCI_OP_READ_LOCAL_AMP_ASSOC:
		hci_cc_read_local_amp_assoc(hdev, skb);
		break;

2409 2410 2411 2412
	case HCI_OP_DELETE_STORED_LINK_KEY:
		hci_cc_delete_stored_link_key(hdev, skb);
		break;

2413 2414 2415 2416 2417 2418 2419 2420 2421 2422 2423 2424 2425 2426 2427 2428
	case HCI_OP_SET_EVENT_MASK:
		hci_cc_set_event_mask(hdev, skb);
		break;

	case HCI_OP_WRITE_INQUIRY_MODE:
		hci_cc_write_inquiry_mode(hdev, skb);
		break;

	case HCI_OP_READ_INQ_RSP_TX_POWER:
		hci_cc_read_inq_rsp_tx_power(hdev, skb);
		break;

	case HCI_OP_SET_EVENT_FLT:
		hci_cc_set_event_flt(hdev, skb);
		break;

2429 2430 2431 2432 2433 2434 2435 2436
	case HCI_OP_PIN_CODE_REPLY:
		hci_cc_pin_code_reply(hdev, skb);
		break;

	case HCI_OP_PIN_CODE_NEG_REPLY:
		hci_cc_pin_code_neg_reply(hdev, skb);
		break;

2437 2438 2439 2440
	case HCI_OP_READ_LOCAL_OOB_DATA:
		hci_cc_read_local_oob_data_reply(hdev, skb);
		break;

2441 2442 2443 2444
	case HCI_OP_LE_READ_BUFFER_SIZE:
		hci_cc_le_read_buffer_size(hdev, skb);
		break;

2445 2446 2447 2448 2449 2450 2451 2452
	case HCI_OP_USER_CONFIRM_REPLY:
		hci_cc_user_confirm_reply(hdev, skb);
		break;

	case HCI_OP_USER_CONFIRM_NEG_REPLY:
		hci_cc_user_confirm_neg_reply(hdev, skb);
		break;

2453 2454 2455 2456 2457 2458
	case HCI_OP_USER_PASSKEY_REPLY:
		hci_cc_user_passkey_reply(hdev, skb);
		break;

	case HCI_OP_USER_PASSKEY_NEG_REPLY:
		hci_cc_user_passkey_neg_reply(hdev, skb);
2459
		break;
2460 2461 2462

	case HCI_OP_LE_SET_SCAN_PARAM:
		hci_cc_le_set_scan_param(hdev, skb);
2463 2464
		break;

2465 2466 2467 2468
	case HCI_OP_LE_SET_SCAN_ENABLE:
		hci_cc_le_set_scan_enable(hdev, skb);
		break;

2469 2470 2471 2472 2473 2474 2475 2476
	case HCI_OP_LE_LTK_REPLY:
		hci_cc_le_ltk_reply(hdev, skb);
		break;

	case HCI_OP_LE_LTK_NEG_REPLY:
		hci_cc_le_ltk_neg_reply(hdev, skb);
		break;

2477 2478 2479 2480
	case HCI_OP_WRITE_LE_HOST_SUPPORTED:
		hci_cc_write_le_host_supported(hdev, skb);
		break;

2481 2482 2483 2484
	case HCI_OP_WRITE_REMOTE_AMP_ASSOC:
		hci_cc_write_remote_amp_assoc(hdev, skb);
		break;

2485
	default:
2486
		BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
2487 2488 2489
		break;
	}

2490 2491 2492
	if (ev->opcode != HCI_OP_NOP)
		del_timer(&hdev->cmd_timer);

2493 2494 2495
	if (ev->ncmd) {
		atomic_set(&hdev->cmd_cnt, 1);
		if (!skb_queue_empty(&hdev->cmd_q))
2496
			queue_work(hdev->workqueue, &hdev->cmd_work);
2497 2498 2499
	}
}

2500
static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
2501 2502 2503 2504 2505 2506 2507 2508 2509 2510 2511 2512 2513 2514 2515 2516 2517 2518 2519 2520 2521
{
	struct hci_ev_cmd_status *ev = (void *) skb->data;
	__u16 opcode;

	skb_pull(skb, sizeof(*ev));

	opcode = __le16_to_cpu(ev->opcode);

	switch (opcode) {
	case HCI_OP_INQUIRY:
		hci_cs_inquiry(hdev, ev->status);
		break;

	case HCI_OP_CREATE_CONN:
		hci_cs_create_conn(hdev, ev->status);
		break;

	case HCI_OP_ADD_SCO:
		hci_cs_add_sco(hdev, ev->status);
		break;

2522 2523 2524 2525 2526 2527 2528 2529
	case HCI_OP_AUTH_REQUESTED:
		hci_cs_auth_requested(hdev, ev->status);
		break;

	case HCI_OP_SET_CONN_ENCRYPT:
		hci_cs_set_conn_encrypt(hdev, ev->status);
		break;

2530 2531 2532 2533
	case HCI_OP_REMOTE_NAME_REQ:
		hci_cs_remote_name_req(hdev, ev->status);
		break;

2534 2535 2536 2537 2538 2539 2540 2541
	case HCI_OP_READ_REMOTE_FEATURES:
		hci_cs_read_remote_features(hdev, ev->status);
		break;

	case HCI_OP_READ_REMOTE_EXT_FEATURES:
		hci_cs_read_remote_ext_features(hdev, ev->status);
		break;

2542 2543 2544 2545 2546 2547 2548 2549 2550 2551 2552 2553
	case HCI_OP_SETUP_SYNC_CONN:
		hci_cs_setup_sync_conn(hdev, ev->status);
		break;

	case HCI_OP_SNIFF_MODE:
		hci_cs_sniff_mode(hdev, ev->status);
		break;

	case HCI_OP_EXIT_SNIFF_MODE:
		hci_cs_exit_sniff_mode(hdev, ev->status);
		break;

2554
	case HCI_OP_DISCONNECT:
2555
		hci_cs_disconnect(hdev, ev->status);
2556 2557
		break;

V
Ville Tervo 已提交
2558 2559 2560 2561
	case HCI_OP_LE_CREATE_CONN:
		hci_cs_le_create_conn(hdev, ev->status);
		break;

2562 2563 2564 2565
	case HCI_OP_LE_START_ENC:
		hci_cs_le_start_enc(hdev, ev->status);
		break;

2566 2567 2568 2569
	case HCI_OP_CREATE_PHY_LINK:
		hci_cs_create_phylink(hdev, ev->status);
		break;

2570 2571 2572 2573
	case HCI_OP_ACCEPT_PHY_LINK:
		hci_cs_accept_phylink(hdev, ev->status);
		break;

2574
	default:
2575
		BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
2576 2577 2578
		break;
	}

2579 2580 2581
	if (ev->opcode != HCI_OP_NOP)
		del_timer(&hdev->cmd_timer);

2582
	if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
2583 2584
		atomic_set(&hdev->cmd_cnt, 1);
		if (!skb_queue_empty(&hdev->cmd_q))
2585
			queue_work(hdev->workqueue, &hdev->cmd_work);
2586 2587 2588
	}
}

2589
static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
2590 2591 2592 2593
{
	struct hci_ev_role_change *ev = (void *) skb->data;
	struct hci_conn *conn;

2594
	BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
2595 2596 2597 2598 2599 2600 2601 2602 2603 2604 2605 2606

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
	if (conn) {
		if (!ev->status) {
			if (ev->role)
				conn->link_mode &= ~HCI_LM_MASTER;
			else
				conn->link_mode |= HCI_LM_MASTER;
		}

2607
		clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
2608 2609 2610 2611 2612 2613 2614

		hci_role_switch_cfm(conn, ev->status, ev->role);
	}

	hci_dev_unlock(hdev);
}

2615
static void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb)
2616 2617 2618 2619
{
	struct hci_ev_num_comp_pkts *ev = (void *) skb->data;
	int i;

2620 2621 2622 2623 2624
	if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) {
		BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
		return;
	}

2625
	if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
2626
	    ev->num_hndl * sizeof(struct hci_comp_pkts_info)) {
2627 2628 2629 2630
		BT_DBG("%s bad parameters", hdev->name);
		return;
	}

2631 2632
	BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl);

2633 2634
	for (i = 0; i < ev->num_hndl; i++) {
		struct hci_comp_pkts_info *info = &ev->handles[i];
2635 2636 2637
		struct hci_conn *conn;
		__u16  handle, count;

2638 2639
		handle = __le16_to_cpu(info->handle);
		count  = __le16_to_cpu(info->count);
2640 2641

		conn = hci_conn_hash_lookup_handle(hdev, handle);
2642 2643 2644 2645 2646 2647 2648 2649 2650 2651 2652 2653 2654 2655 2656 2657 2658 2659
		if (!conn)
			continue;

		conn->sent -= count;

		switch (conn->type) {
		case ACL_LINK:
			hdev->acl_cnt += count;
			if (hdev->acl_cnt > hdev->acl_pkts)
				hdev->acl_cnt = hdev->acl_pkts;
			break;

		case LE_LINK:
			if (hdev->le_pkts) {
				hdev->le_cnt += count;
				if (hdev->le_cnt > hdev->le_pkts)
					hdev->le_cnt = hdev->le_pkts;
			} else {
A
Andrei Emeltchenko 已提交
2660 2661
				hdev->acl_cnt += count;
				if (hdev->acl_cnt > hdev->acl_pkts)
2662 2663
					hdev->acl_cnt = hdev->acl_pkts;
			}
2664 2665 2666 2667 2668 2669 2670 2671 2672 2673 2674
			break;

		case SCO_LINK:
			hdev->sco_cnt += count;
			if (hdev->sco_cnt > hdev->sco_pkts)
				hdev->sco_cnt = hdev->sco_pkts;
			break;

		default:
			BT_ERR("Unknown type %d conn %p", conn->type, conn);
			break;
2675 2676 2677
		}
	}

2678
	queue_work(hdev->workqueue, &hdev->tx_work);
2679 2680
}

2681
static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb)
2682 2683 2684 2685 2686 2687 2688 2689 2690 2691
{
	struct hci_ev_num_comp_blocks *ev = (void *) skb->data;
	int i;

	if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_BLOCK_BASED) {
		BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
		return;
	}

	if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
2692
	    ev->num_hndl * sizeof(struct hci_comp_blocks_info)) {
2693 2694 2695 2696 2697
		BT_DBG("%s bad parameters", hdev->name);
		return;
	}

	BT_DBG("%s num_blocks %d num_hndl %d", hdev->name, ev->num_blocks,
2698
	       ev->num_hndl);
2699 2700 2701 2702 2703 2704 2705 2706 2707 2708 2709 2710 2711 2712 2713 2714 2715 2716 2717 2718 2719 2720 2721 2722 2723 2724 2725 2726 2727 2728 2729

	for (i = 0; i < ev->num_hndl; i++) {
		struct hci_comp_blocks_info *info = &ev->handles[i];
		struct hci_conn *conn;
		__u16  handle, block_count;

		handle = __le16_to_cpu(info->handle);
		block_count = __le16_to_cpu(info->blocks);

		conn = hci_conn_hash_lookup_handle(hdev, handle);
		if (!conn)
			continue;

		conn->sent -= block_count;

		switch (conn->type) {
		case ACL_LINK:
			hdev->block_cnt += block_count;
			if (hdev->block_cnt > hdev->num_blocks)
				hdev->block_cnt = hdev->num_blocks;
			break;

		default:
			BT_ERR("Unknown type %d conn %p", conn->type, conn);
			break;
		}
	}

	queue_work(hdev->workqueue, &hdev->tx_work);
}

2730
static void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
2731
{
2732
	struct hci_ev_mode_change *ev = (void *) skb->data;
2733 2734
	struct hci_conn *conn;

2735
	BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
2736 2737 2738 2739

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2740 2741 2742 2743
	if (conn) {
		conn->mode = ev->mode;
		conn->interval = __le16_to_cpu(ev->interval);

2744 2745
		if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND,
					&conn->flags)) {
2746
			if (conn->mode == HCI_CM_ACTIVE)
2747
				set_bit(HCI_CONN_POWER_SAVE, &conn->flags);
2748
			else
2749
				clear_bit(HCI_CONN_POWER_SAVE, &conn->flags);
2750
		}
2751

2752
		if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
2753
			hci_sco_setup(conn, ev->status);
2754 2755 2756 2757 2758
	}

	hci_dev_unlock(hdev);
}

2759
static void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
2760
{
2761 2762 2763
	struct hci_ev_pin_code_req *ev = (void *) skb->data;
	struct hci_conn *conn;

2764
	BT_DBG("%s", hdev->name);
2765 2766 2767 2768

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2769 2770 2771 2772
	if (!conn)
		goto unlock;

	if (conn->state == BT_CONNECTED) {
2773 2774 2775 2776 2777
		hci_conn_hold(conn);
		conn->disc_timeout = HCI_PAIRING_TIMEOUT;
		hci_conn_put(conn);
	}

2778
	if (!test_bit(HCI_PAIRABLE, &hdev->dev_flags))
2779
		hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
2780
			     sizeof(ev->bdaddr), &ev->bdaddr);
2781
	else if (test_bit(HCI_MGMT, &hdev->dev_flags)) {
2782 2783 2784 2785 2786 2787 2788
		u8 secure;

		if (conn->pending_sec_level == BT_SECURITY_HIGH)
			secure = 1;
		else
			secure = 0;

2789
		mgmt_pin_code_request(hdev, &ev->bdaddr, secure);
2790
	}
2791

2792
unlock:
2793
	hci_dev_unlock(hdev);
2794 2795
}

2796
static void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
2797
{
2798 2799 2800 2801 2802
	struct hci_ev_link_key_req *ev = (void *) skb->data;
	struct hci_cp_link_key_reply cp;
	struct hci_conn *conn;
	struct link_key *key;

2803
	BT_DBG("%s", hdev->name);
2804

2805
	if (!test_bit(HCI_LINK_KEYS, &hdev->dev_flags))
2806 2807 2808 2809 2810 2811 2812
		return;

	hci_dev_lock(hdev);

	key = hci_find_link_key(hdev, &ev->bdaddr);
	if (!key) {
		BT_DBG("%s link key not found for %s", hdev->name,
2813
		       batostr(&ev->bdaddr));
2814 2815 2816 2817
		goto not_found;
	}

	BT_DBG("%s found key type %u for %s", hdev->name, key->type,
2818
	       batostr(&ev->bdaddr));
2819

2820
	if (!test_bit(HCI_DEBUG_KEYS, &hdev->dev_flags) &&
2821
	    key->type == HCI_LK_DEBUG_COMBINATION) {
2822 2823 2824 2825 2826
		BT_DBG("%s ignoring debug key", hdev->name);
		goto not_found;
	}

	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2827 2828
	if (conn) {
		if (key->type == HCI_LK_UNAUTH_COMBINATION &&
2829
		    conn->auth_type != 0xff && (conn->auth_type & 0x01)) {
2830 2831 2832
			BT_DBG("%s ignoring unauthenticated key", hdev->name);
			goto not_found;
		}
2833

2834
		if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 &&
2835
		    conn->pending_sec_level == BT_SECURITY_HIGH) {
2836 2837
			BT_DBG("%s ignoring key unauthenticated for high security",
			       hdev->name);
2838 2839 2840 2841 2842
			goto not_found;
		}

		conn->key_type = key->type;
		conn->pin_length = key->pin_len;
2843 2844 2845
	}

	bacpy(&cp.bdaddr, &ev->bdaddr);
2846
	memcpy(cp.link_key, key->val, HCI_LINK_KEY_SIZE);
2847 2848 2849 2850 2851 2852 2853 2854 2855 2856

	hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp);

	hci_dev_unlock(hdev);

	return;

not_found:
	hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr);
	hci_dev_unlock(hdev);
2857 2858
}

2859
static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
2860
{
2861 2862
	struct hci_ev_link_key_notify *ev = (void *) skb->data;
	struct hci_conn *conn;
2863
	u8 pin_len = 0;
2864

2865
	BT_DBG("%s", hdev->name);
2866 2867 2868 2869 2870 2871 2872

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
	if (conn) {
		hci_conn_hold(conn);
		conn->disc_timeout = HCI_DISCONN_TIMEOUT;
2873
		pin_len = conn->pin_length;
2874 2875 2876 2877

		if (ev->key_type != HCI_LK_CHANGED_COMBINATION)
			conn->key_type = ev->key_type;

2878 2879 2880
		hci_conn_put(conn);
	}

2881
	if (test_bit(HCI_LINK_KEYS, &hdev->dev_flags))
2882
		hci_add_link_key(hdev, conn, 1, &ev->bdaddr, ev->link_key,
2883
				 ev->key_type, pin_len);
2884

2885
	hci_dev_unlock(hdev);
2886 2887
}

2888
static void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb)
L
Linus Torvalds 已提交
2889
{
2890
	struct hci_ev_clock_offset *ev = (void *) skb->data;
2891
	struct hci_conn *conn;
L
Linus Torvalds 已提交
2892

2893
	BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
L
Linus Torvalds 已提交
2894 2895 2896

	hci_dev_lock(hdev);

2897
	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
L
Linus Torvalds 已提交
2898 2899 2900
	if (conn && !ev->status) {
		struct inquiry_entry *ie;

2901 2902
		ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
		if (ie) {
L
Linus Torvalds 已提交
2903 2904 2905 2906 2907 2908 2909 2910
			ie->data.clock_offset = ev->clock_offset;
			ie->timestamp = jiffies;
		}
	}

	hci_dev_unlock(hdev);
}

2911
static void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
2912 2913 2914 2915
{
	struct hci_ev_pkt_type_change *ev = (void *) skb->data;
	struct hci_conn *conn;

2916
	BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
2917 2918 2919 2920 2921 2922 2923 2924 2925 2926

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
	if (conn && !ev->status)
		conn->pkt_type = __le16_to_cpu(ev->pkt_type);

	hci_dev_unlock(hdev);
}

2927
static void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb)
2928
{
2929
	struct hci_ev_pscan_rep_mode *ev = (void *) skb->data;
2930 2931 2932 2933 2934 2935
	struct inquiry_entry *ie;

	BT_DBG("%s", hdev->name);

	hci_dev_lock(hdev);

2936 2937
	ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
	if (ie) {
2938 2939 2940 2941 2942 2943 2944
		ie->data.pscan_rep_mode = ev->pscan_rep_mode;
		ie->timestamp = jiffies;
	}

	hci_dev_unlock(hdev);
}

2945 2946
static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev,
					     struct sk_buff *skb)
2947 2948 2949
{
	struct inquiry_data data;
	int num_rsp = *((__u8 *) skb->data);
2950
	bool name_known, ssp;
2951 2952 2953 2954 2955 2956

	BT_DBG("%s num_rsp %d", hdev->name, num_rsp);

	if (!num_rsp)
		return;

2957 2958 2959
	if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
		return;

2960 2961 2962
	hci_dev_lock(hdev);

	if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) {
2963 2964
		struct inquiry_info_with_rssi_and_pscan_mode *info;
		info = (void *) (skb->data + 1);
2965

2966
		for (; num_rsp; num_rsp--, info++) {
2967 2968 2969 2970 2971 2972 2973
			bacpy(&data.bdaddr, &info->bdaddr);
			data.pscan_rep_mode	= info->pscan_rep_mode;
			data.pscan_period_mode	= info->pscan_period_mode;
			data.pscan_mode		= info->pscan_mode;
			memcpy(data.dev_class, info->dev_class, 3);
			data.clock_offset	= info->clock_offset;
			data.rssi		= info->rssi;
2974
			data.ssp_mode		= 0x00;
2975 2976

			name_known = hci_inquiry_cache_update(hdev, &data,
2977
							      false, &ssp);
2978
			mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
2979 2980
					  info->dev_class, info->rssi,
					  !name_known, ssp, NULL, 0);
2981 2982 2983 2984
		}
	} else {
		struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);

2985
		for (; num_rsp; num_rsp--, info++) {
2986 2987 2988 2989 2990 2991 2992
			bacpy(&data.bdaddr, &info->bdaddr);
			data.pscan_rep_mode	= info->pscan_rep_mode;
			data.pscan_period_mode	= info->pscan_period_mode;
			data.pscan_mode		= 0x00;
			memcpy(data.dev_class, info->dev_class, 3);
			data.clock_offset	= info->clock_offset;
			data.rssi		= info->rssi;
2993
			data.ssp_mode		= 0x00;
2994
			name_known = hci_inquiry_cache_update(hdev, &data,
2995
							      false, &ssp);
2996
			mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
2997 2998
					  info->dev_class, info->rssi,
					  !name_known, ssp, NULL, 0);
2999 3000 3001 3002 3003 3004
		}
	}

	hci_dev_unlock(hdev);
}

3005 3006
static void hci_remote_ext_features_evt(struct hci_dev *hdev,
					struct sk_buff *skb)
3007
{
3008 3009 3010
	struct hci_ev_remote_ext_features *ev = (void *) skb->data;
	struct hci_conn *conn;

3011
	BT_DBG("%s", hdev->name);
3012 3013 3014 3015

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3016 3017
	if (!conn)
		goto unlock;
3018

3019 3020
	if (!ev->status && ev->page == 0x01) {
		struct inquiry_entry *ie;
3021

3022 3023
		ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
		if (ie)
3024
			ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
3025

3026
		if (ev->features[0] & LMP_HOST_SSP)
3027
			set_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
3028 3029 3030 3031 3032
	}

	if (conn->state != BT_CONFIG)
		goto unlock;

3033
	if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
3034 3035 3036 3037 3038
		struct hci_cp_remote_name_req cp;
		memset(&cp, 0, sizeof(cp));
		bacpy(&cp.bdaddr, &conn->dst);
		cp.pscan_rep_mode = 0x02;
		hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
3039 3040
	} else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
		mgmt_device_connected(hdev, &conn->dst, conn->type,
3041 3042
				      conn->dst_type, 0, NULL, 0,
				      conn->dev_class);
3043

3044
	if (!hci_outgoing_auth_needed(hdev, conn)) {
3045 3046 3047
		conn->state = BT_CONNECTED;
		hci_proto_connect_cfm(conn, ev->status);
		hci_conn_put(conn);
3048 3049
	}

3050
unlock:
3051
	hci_dev_unlock(hdev);
3052 3053
}

3054 3055
static void hci_sync_conn_complete_evt(struct hci_dev *hdev,
				       struct sk_buff *skb)
3056
{
3057 3058 3059
	struct hci_ev_sync_conn_complete *ev = (void *) skb->data;
	struct hci_conn *conn;

3060
	BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
3061 3062 3063 3064

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
3065 3066 3067 3068 3069 3070 3071 3072 3073 3074
	if (!conn) {
		if (ev->link_type == ESCO_LINK)
			goto unlock;

		conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
		if (!conn)
			goto unlock;

		conn->type = SCO_LINK;
	}
3075

3076 3077
	switch (ev->status) {
	case 0x00:
3078 3079
		conn->handle = __le16_to_cpu(ev->handle);
		conn->state  = BT_CONNECTED;
3080

3081
		hci_conn_hold_device(conn);
3082
		hci_conn_add_sysfs(conn);
3083 3084
		break;

3085
	case 0x11:	/* Unsupported Feature or Parameter Value */
3086
	case 0x1c:	/* SCO interval rejected */
3087
	case 0x1a:	/* Unsupported Remote Feature */
3088 3089 3090 3091 3092 3093 3094 3095 3096 3097
	case 0x1f:	/* Unspecified error */
		if (conn->out && conn->attempt < 2) {
			conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
					(hdev->esco_type & EDR_ESCO_MASK);
			hci_setup_sync(conn, conn->link->handle);
			goto unlock;
		}
		/* fall through */

	default:
3098
		conn->state = BT_CLOSED;
3099 3100
		break;
	}
3101 3102 3103 3104 3105 3106 3107

	hci_proto_connect_cfm(conn, ev->status);
	if (ev->status)
		hci_conn_del(conn);

unlock:
	hci_dev_unlock(hdev);
3108 3109
}

3110
static void hci_sync_conn_changed_evt(struct hci_dev *hdev, struct sk_buff *skb)
3111 3112 3113 3114
{
	BT_DBG("%s", hdev->name);
}

3115
static void hci_sniff_subrate_evt(struct hci_dev *hdev, struct sk_buff *skb)
3116
{
3117
	struct hci_ev_sniff_subrate *ev = (void *) skb->data;
3118

3119
	BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
3120 3121
}

3122 3123
static void hci_extended_inquiry_result_evt(struct hci_dev *hdev,
					    struct sk_buff *skb)
L
Linus Torvalds 已提交
3124
{
3125 3126 3127
	struct inquiry_data data;
	struct extended_inquiry_info *info = (void *) (skb->data + 1);
	int num_rsp = *((__u8 *) skb->data);
3128
	size_t eir_len;
L
Linus Torvalds 已提交
3129

3130
	BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
L
Linus Torvalds 已提交
3131

3132 3133
	if (!num_rsp)
		return;
L
Linus Torvalds 已提交
3134

3135 3136 3137
	if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
		return;

3138 3139
	hci_dev_lock(hdev);

3140
	for (; num_rsp; num_rsp--, info++) {
3141
		bool name_known, ssp;
3142

3143
		bacpy(&data.bdaddr, &info->bdaddr);
3144 3145 3146
		data.pscan_rep_mode	= info->pscan_rep_mode;
		data.pscan_period_mode	= info->pscan_period_mode;
		data.pscan_mode		= 0x00;
3147
		memcpy(data.dev_class, info->dev_class, 3);
3148 3149
		data.clock_offset	= info->clock_offset;
		data.rssi		= info->rssi;
3150
		data.ssp_mode		= 0x01;
3151

3152
		if (test_bit(HCI_MGMT, &hdev->dev_flags))
3153
			name_known = eir_has_data_type(info->data,
3154 3155
						       sizeof(info->data),
						       EIR_NAME_COMPLETE);
3156 3157 3158
		else
			name_known = true;

3159
		name_known = hci_inquiry_cache_update(hdev, &data, name_known,
3160
						      &ssp);
3161
		eir_len = eir_get_length(info->data, sizeof(info->data));
3162
		mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
3163
				  info->dev_class, info->rssi, !name_known,
3164
				  ssp, info->data, eir_len);
3165 3166 3167 3168
	}

	hci_dev_unlock(hdev);
}
L
Linus Torvalds 已提交
3169

3170 3171 3172 3173 3174 3175
static void hci_key_refresh_complete_evt(struct hci_dev *hdev,
					 struct sk_buff *skb)
{
	struct hci_ev_key_refresh_complete *ev = (void *) skb->data;
	struct hci_conn *conn;

3176
	BT_DBG("%s status 0x%2.2x handle 0x%4.4x", hdev->name, ev->status,
3177 3178 3179 3180 3181 3182 3183 3184 3185 3186 3187 3188 3189 3190 3191 3192 3193 3194 3195 3196 3197 3198 3199 3200 3201 3202 3203 3204 3205 3206 3207 3208 3209 3210 3211 3212 3213
	       __le16_to_cpu(ev->handle));

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
	if (!conn)
		goto unlock;

	if (!ev->status)
		conn->sec_level = conn->pending_sec_level;

	clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);

	if (ev->status && conn->state == BT_CONNECTED) {
		hci_acl_disconn(conn, HCI_ERROR_AUTH_FAILURE);
		hci_conn_put(conn);
		goto unlock;
	}

	if (conn->state == BT_CONFIG) {
		if (!ev->status)
			conn->state = BT_CONNECTED;

		hci_proto_connect_cfm(conn, ev->status);
		hci_conn_put(conn);
	} else {
		hci_auth_cfm(conn, ev->status);

		hci_conn_hold(conn);
		conn->disc_timeout = HCI_DISCONN_TIMEOUT;
		hci_conn_put(conn);
	}

unlock:
	hci_dev_unlock(hdev);
}

3214
static u8 hci_get_auth_req(struct hci_conn *conn)
3215 3216 3217 3218 3219 3220 3221 3222 3223 3224 3225 3226 3227
{
	/* If remote requests dedicated bonding follow that lead */
	if (conn->remote_auth == 0x02 || conn->remote_auth == 0x03) {
		/* If both remote and local IO capabilities allow MITM
		 * protection then require it, otherwise don't */
		if (conn->remote_cap == 0x03 || conn->io_capability == 0x03)
			return 0x02;
		else
			return 0x03;
	}

	/* If remote requests no-bonding follow that lead */
	if (conn->remote_auth == 0x00 || conn->remote_auth == 0x01)
3228
		return conn->remote_auth | (conn->auth_type & 0x01);
3229 3230 3231 3232

	return conn->auth_type;
}

3233
static void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
3234 3235 3236 3237 3238 3239 3240 3241 3242
{
	struct hci_ev_io_capa_request *ev = (void *) skb->data;
	struct hci_conn *conn;

	BT_DBG("%s", hdev->name);

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3243 3244 3245 3246 3247
	if (!conn)
		goto unlock;

	hci_conn_hold(conn);

3248
	if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3249 3250
		goto unlock;

3251
	if (test_bit(HCI_PAIRABLE, &hdev->dev_flags) ||
3252
	    (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) {
3253 3254 3255
		struct hci_cp_io_capability_reply cp;

		bacpy(&cp.bdaddr, &ev->bdaddr);
3256 3257 3258 3259
		/* Change the IO capability from KeyboardDisplay
		 * to DisplayYesNo as it is not supported by BT spec. */
		cp.capability = (conn->io_capability == 0x04) ?
						0x01 : conn->io_capability;
3260 3261
		conn->auth_type = hci_get_auth_req(conn);
		cp.authentication = conn->auth_type;
3262

3263 3264
		if (hci_find_remote_oob_data(hdev, &conn->dst) &&
		    (conn->out || test_bit(HCI_CONN_REMOTE_OOB, &conn->flags)))
3265 3266 3267 3268
			cp.oob_data = 0x01;
		else
			cp.oob_data = 0x00;

3269
		hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY,
3270
			     sizeof(cp), &cp);
3271 3272 3273 3274
	} else {
		struct hci_cp_io_capability_neg_reply cp;

		bacpy(&cp.bdaddr, &ev->bdaddr);
3275
		cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED;
3276

3277
		hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY,
3278
			     sizeof(cp), &cp);
3279 3280 3281 3282 3283 3284
	}

unlock:
	hci_dev_unlock(hdev);
}

3285
static void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb)
3286 3287 3288 3289 3290 3291 3292 3293 3294 3295 3296 3297 3298 3299
{
	struct hci_ev_io_capa_reply *ev = (void *) skb->data;
	struct hci_conn *conn;

	BT_DBG("%s", hdev->name);

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
	if (!conn)
		goto unlock;

	conn->remote_cap = ev->capability;
	conn->remote_auth = ev->authentication;
3300 3301
	if (ev->oob_data)
		set_bit(HCI_CONN_REMOTE_OOB, &conn->flags);
3302 3303

unlock:
3304 3305 3306
	hci_dev_unlock(hdev);
}

3307 3308
static void hci_user_confirm_request_evt(struct hci_dev *hdev,
					 struct sk_buff *skb)
3309 3310
{
	struct hci_ev_user_confirm_req *ev = (void *) skb->data;
3311
	int loc_mitm, rem_mitm, confirm_hint = 0;
3312
	struct hci_conn *conn;
3313 3314 3315 3316 3317

	BT_DBG("%s", hdev->name);

	hci_dev_lock(hdev);

3318
	if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3319
		goto unlock;
3320

3321 3322 3323 3324 3325 3326 3327 3328 3329 3330 3331 3332 3333 3334 3335
	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
	if (!conn)
		goto unlock;

	loc_mitm = (conn->auth_type & 0x01);
	rem_mitm = (conn->remote_auth & 0x01);

	/* If we require MITM but the remote device can't provide that
	 * (it has NoInputNoOutput) then reject the confirmation
	 * request. The only exception is when we're dedicated bonding
	 * initiators (connect_cfm_cb set) since then we always have the MITM
	 * bit set. */
	if (!conn->connect_cfm_cb && loc_mitm && conn->remote_cap == 0x03) {
		BT_DBG("Rejecting request: remote device can't provide MITM");
		hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY,
3336
			     sizeof(ev->bdaddr), &ev->bdaddr);
3337 3338 3339 3340 3341
		goto unlock;
	}

	/* If no side requires MITM protection; auto-accept */
	if ((!loc_mitm || conn->remote_cap == 0x03) &&
3342
	    (!rem_mitm || conn->io_capability == 0x03)) {
3343 3344 3345 3346

		/* If we're not the initiators request authorization to
		 * proceed from user space (mgmt_user_confirm with
		 * confirm_hint set to 1). */
3347
		if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
3348 3349 3350 3351 3352
			BT_DBG("Confirming auto-accept as acceptor");
			confirm_hint = 1;
			goto confirm;
		}

3353
		BT_DBG("Auto-accept of user confirmation with %ums delay",
3354
		       hdev->auto_accept_delay);
3355 3356 3357 3358 3359 3360 3361

		if (hdev->auto_accept_delay > 0) {
			int delay = msecs_to_jiffies(hdev->auto_accept_delay);
			mod_timer(&conn->auto_accept_timer, jiffies + delay);
			goto unlock;
		}

3362
		hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY,
3363
			     sizeof(ev->bdaddr), &ev->bdaddr);
3364 3365 3366
		goto unlock;
	}

3367
confirm:
3368
	mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0, ev->passkey,
3369
				  confirm_hint);
3370 3371

unlock:
3372 3373 3374
	hci_dev_unlock(hdev);
}

3375 3376
static void hci_user_passkey_request_evt(struct hci_dev *hdev,
					 struct sk_buff *skb)
3377 3378 3379 3380 3381
{
	struct hci_ev_user_passkey_req *ev = (void *) skb->data;

	BT_DBG("%s", hdev->name);

3382
	if (test_bit(HCI_MGMT, &hdev->dev_flags))
3383
		mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0);
3384 3385
}

3386 3387 3388 3389 3390 3391 3392 3393 3394 3395 3396 3397 3398 3399 3400 3401 3402 3403 3404 3405 3406 3407 3408 3409 3410 3411 3412 3413 3414 3415 3416 3417 3418 3419 3420 3421 3422 3423 3424 3425 3426 3427 3428 3429 3430 3431 3432 3433 3434 3435 3436 3437 3438 3439 3440 3441 3442 3443 3444
static void hci_user_passkey_notify_evt(struct hci_dev *hdev,
					struct sk_buff *skb)
{
	struct hci_ev_user_passkey_notify *ev = (void *) skb->data;
	struct hci_conn *conn;

	BT_DBG("%s", hdev->name);

	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
	if (!conn)
		return;

	conn->passkey_notify = __le32_to_cpu(ev->passkey);
	conn->passkey_entered = 0;

	if (test_bit(HCI_MGMT, &hdev->dev_flags))
		mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
					 conn->dst_type, conn->passkey_notify,
					 conn->passkey_entered);
}

static void hci_keypress_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
	struct hci_ev_keypress_notify *ev = (void *) skb->data;
	struct hci_conn *conn;

	BT_DBG("%s", hdev->name);

	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
	if (!conn)
		return;

	switch (ev->type) {
	case HCI_KEYPRESS_STARTED:
		conn->passkey_entered = 0;
		return;

	case HCI_KEYPRESS_ENTERED:
		conn->passkey_entered++;
		break;

	case HCI_KEYPRESS_ERASED:
		conn->passkey_entered--;
		break;

	case HCI_KEYPRESS_CLEARED:
		conn->passkey_entered = 0;
		break;

	case HCI_KEYPRESS_COMPLETED:
		return;
	}

	if (test_bit(HCI_MGMT, &hdev->dev_flags))
		mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
					 conn->dst_type, conn->passkey_notify,
					 conn->passkey_entered);
}

3445 3446
static void hci_simple_pair_complete_evt(struct hci_dev *hdev,
					 struct sk_buff *skb)
3447 3448 3449 3450 3451 3452 3453 3454 3455
{
	struct hci_ev_simple_pair_complete *ev = (void *) skb->data;
	struct hci_conn *conn;

	BT_DBG("%s", hdev->name);

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3456 3457 3458 3459 3460 3461 3462 3463
	if (!conn)
		goto unlock;

	/* To avoid duplicate auth_failed events to user space we check
	 * the HCI_CONN_AUTH_PEND flag which will be set if we
	 * initiated the authentication. A traditional auth_complete
	 * event gets always produced as initiator and is also mapped to
	 * the mgmt_auth_failed event */
3464
	if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && ev->status)
3465
		mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type,
3466
				 ev->status);
3467

3468 3469 3470
	hci_conn_put(conn);

unlock:
3471 3472 3473
	hci_dev_unlock(hdev);
}

3474 3475
static void hci_remote_host_features_evt(struct hci_dev *hdev,
					 struct sk_buff *skb)
3476 3477 3478 3479 3480 3481 3482 3483
{
	struct hci_ev_remote_host_features *ev = (void *) skb->data;
	struct inquiry_entry *ie;

	BT_DBG("%s", hdev->name);

	hci_dev_lock(hdev);

3484 3485
	ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
	if (ie)
3486
		ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
3487 3488 3489 3490

	hci_dev_unlock(hdev);
}

3491 3492
static void hci_remote_oob_data_request_evt(struct hci_dev *hdev,
					    struct sk_buff *skb)
3493 3494 3495 3496 3497 3498 3499 3500
{
	struct hci_ev_remote_oob_data_request *ev = (void *) skb->data;
	struct oob_data *data;

	BT_DBG("%s", hdev->name);

	hci_dev_lock(hdev);

3501
	if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3502 3503
		goto unlock;

3504 3505 3506 3507 3508 3509 3510 3511 3512
	data = hci_find_remote_oob_data(hdev, &ev->bdaddr);
	if (data) {
		struct hci_cp_remote_oob_data_reply cp;

		bacpy(&cp.bdaddr, &ev->bdaddr);
		memcpy(cp.hash, data->hash, sizeof(cp.hash));
		memcpy(cp.randomizer, data->randomizer, sizeof(cp.randomizer));

		hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY, sizeof(cp),
3513
			     &cp);
3514 3515 3516 3517 3518
	} else {
		struct hci_cp_remote_oob_data_neg_reply cp;

		bacpy(&cp.bdaddr, &ev->bdaddr);
		hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY, sizeof(cp),
3519
			     &cp);
3520 3521
	}

3522
unlock:
3523 3524 3525
	hci_dev_unlock(hdev);
}

3526
static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
V
Ville Tervo 已提交
3527 3528 3529 3530
{
	struct hci_ev_le_conn_complete *ev = (void *) skb->data;
	struct hci_conn *conn;

3531
	BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
V
Ville Tervo 已提交
3532 3533 3534

	hci_dev_lock(hdev);

3535
	conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
3536 3537 3538 3539
	if (!conn) {
		conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr);
		if (!conn) {
			BT_ERR("No memory for new connection");
A
Andre Guedes 已提交
3540
			goto unlock;
3541
		}
3542 3543

		conn->dst_type = ev->bdaddr_type;
3544 3545 3546 3547 3548

		if (ev->role == LE_CONN_ROLE_MASTER) {
			conn->out = true;
			conn->link_mode |= HCI_LM_MASTER;
		}
3549
	}
V
Ville Tervo 已提交
3550

3551 3552 3553 3554 3555 3556 3557 3558 3559
	if (ev->status) {
		mgmt_connect_failed(hdev, &conn->dst, conn->type,
				    conn->dst_type, ev->status);
		hci_proto_connect_cfm(conn, ev->status);
		conn->state = BT_CLOSED;
		hci_conn_del(conn);
		goto unlock;
	}

3560 3561
	if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
		mgmt_device_connected(hdev, &ev->bdaddr, conn->type,
3562
				      conn->dst_type, 0, NULL, 0, NULL);
3563

3564
	conn->sec_level = BT_SECURITY_LOW;
V
Ville Tervo 已提交
3565 3566 3567 3568 3569 3570 3571 3572 3573 3574 3575 3576
	conn->handle = __le16_to_cpu(ev->handle);
	conn->state = BT_CONNECTED;

	hci_conn_hold_device(conn);
	hci_conn_add_sysfs(conn);

	hci_proto_connect_cfm(conn, ev->status);

unlock:
	hci_dev_unlock(hdev);
}

3577
static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb)
3578
{
3579 3580
	u8 num_reports = skb->data[0];
	void *ptr = &skb->data[1];
A
Andre Guedes 已提交
3581
	s8 rssi;
3582 3583 3584

	hci_dev_lock(hdev);

3585 3586
	while (num_reports--) {
		struct hci_ev_le_advertising_info *ev = ptr;
3587

A
Andre Guedes 已提交
3588 3589
		rssi = ev->data[ev->length];
		mgmt_device_found(hdev, &ev->bdaddr, LE_LINK, ev->bdaddr_type,
3590
				  NULL, rssi, 0, 1, ev->data, ev->length);
A
Andre Guedes 已提交
3591

3592
		ptr += sizeof(*ev) + ev->length + 1;
3593 3594 3595 3596 3597
	}

	hci_dev_unlock(hdev);
}

3598
static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
3599 3600 3601
{
	struct hci_ev_le_ltk_req *ev = (void *) skb->data;
	struct hci_cp_le_ltk_reply cp;
3602
	struct hci_cp_le_ltk_neg_reply neg;
3603
	struct hci_conn *conn;
3604
	struct smp_ltk *ltk;
3605

3606
	BT_DBG("%s handle 0x%4.4x", hdev->name, __le16_to_cpu(ev->handle));
3607 3608 3609 3610

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3611 3612
	if (conn == NULL)
		goto not_found;
3613

3614 3615 3616 3617 3618
	ltk = hci_find_ltk(hdev, ev->ediv, ev->random);
	if (ltk == NULL)
		goto not_found;

	memcpy(cp.ltk, ltk->val, sizeof(ltk->val));
3619
	cp.handle = cpu_to_le16(conn->handle);
3620 3621 3622

	if (ltk->authenticated)
		conn->sec_level = BT_SECURITY_HIGH;
3623 3624 3625

	hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);

3626 3627 3628 3629 3630
	if (ltk->type & HCI_SMP_STK) {
		list_del(&ltk->list);
		kfree(ltk);
	}

3631
	hci_dev_unlock(hdev);
3632 3633 3634 3635 3636 3637 3638

	return;

not_found:
	neg.handle = ev->handle;
	hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg);
	hci_dev_unlock(hdev);
3639 3640
}

3641
static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
V
Ville Tervo 已提交
3642 3643 3644 3645 3646 3647 3648 3649 3650 3651
{
	struct hci_ev_le_meta *le_ev = (void *) skb->data;

	skb_pull(skb, sizeof(*le_ev));

	switch (le_ev->subevent) {
	case HCI_EV_LE_CONN_COMPLETE:
		hci_le_conn_complete_evt(hdev, skb);
		break;

3652 3653 3654 3655
	case HCI_EV_LE_ADVERTISING_REPORT:
		hci_le_adv_report_evt(hdev, skb);
		break;

3656 3657 3658 3659
	case HCI_EV_LE_LTK_REQ:
		hci_le_ltk_request_evt(hdev, skb);
		break;

V
Ville Tervo 已提交
3660 3661 3662 3663 3664
	default:
		break;
	}
}

3665 3666 3667 3668 3669 3670 3671 3672 3673 3674 3675 3676 3677 3678 3679 3680
static void hci_chan_selected_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
	struct hci_ev_channel_selected *ev = (void *) skb->data;
	struct hci_conn *hcon;

	BT_DBG("%s handle 0x%2.2x", hdev->name, ev->phy_handle);

	skb_pull(skb, sizeof(*ev));

	hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
	if (!hcon)
		return;

	amp_read_loc_assoc_final_data(hdev, hcon);
}

3681 3682 3683 3684 3685 3686 3687 3688
void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
{
	struct hci_event_hdr *hdr = (void *) skb->data;
	__u8 event = hdr->evt;

	skb_pull(skb, HCI_EVENT_HDR_SIZE);

	switch (event) {
L
Linus Torvalds 已提交
3689 3690 3691 3692 3693 3694 3695 3696
	case HCI_EV_INQUIRY_COMPLETE:
		hci_inquiry_complete_evt(hdev, skb);
		break;

	case HCI_EV_INQUIRY_RESULT:
		hci_inquiry_result_evt(hdev, skb);
		break;

3697 3698
	case HCI_EV_CONN_COMPLETE:
		hci_conn_complete_evt(hdev, skb);
3699 3700
		break;

L
Linus Torvalds 已提交
3701 3702 3703 3704 3705 3706 3707 3708 3709 3710 3711 3712
	case HCI_EV_CONN_REQUEST:
		hci_conn_request_evt(hdev, skb);
		break;

	case HCI_EV_DISCONN_COMPLETE:
		hci_disconn_complete_evt(hdev, skb);
		break;

	case HCI_EV_AUTH_COMPLETE:
		hci_auth_complete_evt(hdev, skb);
		break;

3713 3714 3715 3716
	case HCI_EV_REMOTE_NAME:
		hci_remote_name_evt(hdev, skb);
		break;

L
Linus Torvalds 已提交
3717 3718 3719 3720
	case HCI_EV_ENCRYPT_CHANGE:
		hci_encrypt_change_evt(hdev, skb);
		break;

3721 3722 3723 3724 3725 3726 3727 3728 3729 3730 3731 3732 3733 3734 3735 3736 3737 3738 3739 3740 3741 3742 3743 3744 3745 3746 3747 3748 3749 3750 3751 3752 3753 3754
	case HCI_EV_CHANGE_LINK_KEY_COMPLETE:
		hci_change_link_key_complete_evt(hdev, skb);
		break;

	case HCI_EV_REMOTE_FEATURES:
		hci_remote_features_evt(hdev, skb);
		break;

	case HCI_EV_REMOTE_VERSION:
		hci_remote_version_evt(hdev, skb);
		break;

	case HCI_EV_QOS_SETUP_COMPLETE:
		hci_qos_setup_complete_evt(hdev, skb);
		break;

	case HCI_EV_CMD_COMPLETE:
		hci_cmd_complete_evt(hdev, skb);
		break;

	case HCI_EV_CMD_STATUS:
		hci_cmd_status_evt(hdev, skb);
		break;

	case HCI_EV_ROLE_CHANGE:
		hci_role_change_evt(hdev, skb);
		break;

	case HCI_EV_NUM_COMP_PKTS:
		hci_num_comp_pkts_evt(hdev, skb);
		break;

	case HCI_EV_MODE_CHANGE:
		hci_mode_change_evt(hdev, skb);
L
Linus Torvalds 已提交
3755 3756 3757 3758 3759 3760 3761 3762 3763 3764 3765 3766 3767 3768 3769 3770 3771 3772
		break;

	case HCI_EV_PIN_CODE_REQ:
		hci_pin_code_request_evt(hdev, skb);
		break;

	case HCI_EV_LINK_KEY_REQ:
		hci_link_key_request_evt(hdev, skb);
		break;

	case HCI_EV_LINK_KEY_NOTIFY:
		hci_link_key_notify_evt(hdev, skb);
		break;

	case HCI_EV_CLOCK_OFFSET:
		hci_clock_offset_evt(hdev, skb);
		break;

3773 3774 3775 3776
	case HCI_EV_PKT_TYPE_CHANGE:
		hci_pkt_type_change_evt(hdev, skb);
		break;

3777 3778 3779 3780
	case HCI_EV_PSCAN_REP_MODE:
		hci_pscan_rep_mode_evt(hdev, skb);
		break;

3781 3782
	case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
		hci_inquiry_result_with_rssi_evt(hdev, skb);
3783 3784
		break;

3785 3786
	case HCI_EV_REMOTE_EXT_FEATURES:
		hci_remote_ext_features_evt(hdev, skb);
L
Linus Torvalds 已提交
3787 3788
		break;

3789 3790 3791
	case HCI_EV_SYNC_CONN_COMPLETE:
		hci_sync_conn_complete_evt(hdev, skb);
		break;
L
Linus Torvalds 已提交
3792

3793 3794 3795
	case HCI_EV_SYNC_CONN_CHANGED:
		hci_sync_conn_changed_evt(hdev, skb);
		break;
L
Linus Torvalds 已提交
3796

3797 3798 3799
	case HCI_EV_SNIFF_SUBRATE:
		hci_sniff_subrate_evt(hdev, skb);
		break;
L
Linus Torvalds 已提交
3800

3801 3802 3803
	case HCI_EV_EXTENDED_INQUIRY_RESULT:
		hci_extended_inquiry_result_evt(hdev, skb);
		break;
L
Linus Torvalds 已提交
3804

3805 3806 3807 3808
	case HCI_EV_KEY_REFRESH_COMPLETE:
		hci_key_refresh_complete_evt(hdev, skb);
		break;

3809 3810 3811 3812
	case HCI_EV_IO_CAPA_REQUEST:
		hci_io_capa_request_evt(hdev, skb);
		break;

3813 3814 3815 3816
	case HCI_EV_IO_CAPA_REPLY:
		hci_io_capa_reply_evt(hdev, skb);
		break;

3817 3818 3819 3820
	case HCI_EV_USER_CONFIRM_REQUEST:
		hci_user_confirm_request_evt(hdev, skb);
		break;

3821 3822 3823 3824
	case HCI_EV_USER_PASSKEY_REQUEST:
		hci_user_passkey_request_evt(hdev, skb);
		break;

3825 3826 3827 3828 3829 3830 3831 3832
	case HCI_EV_USER_PASSKEY_NOTIFY:
		hci_user_passkey_notify_evt(hdev, skb);
		break;

	case HCI_EV_KEYPRESS_NOTIFY:
		hci_keypress_notify_evt(hdev, skb);
		break;

3833 3834 3835 3836
	case HCI_EV_SIMPLE_PAIR_COMPLETE:
		hci_simple_pair_complete_evt(hdev, skb);
		break;

3837 3838 3839 3840
	case HCI_EV_REMOTE_HOST_FEATURES:
		hci_remote_host_features_evt(hdev, skb);
		break;

V
Ville Tervo 已提交
3841 3842 3843 3844
	case HCI_EV_LE_META:
		hci_le_meta_evt(hdev, skb);
		break;

3845 3846 3847 3848
	case HCI_EV_CHANNEL_SELECTED:
		hci_chan_selected_evt(hdev, skb);
		break;

3849 3850 3851 3852
	case HCI_EV_REMOTE_OOB_DATA_REQUEST:
		hci_remote_oob_data_request_evt(hdev, skb);
		break;

3853 3854 3855 3856
	case HCI_EV_NUM_COMP_BLOCKS:
		hci_num_comp_blocks_evt(hdev, skb);
		break;

3857
	default:
3858
		BT_DBG("%s event 0x%2.2x", hdev->name, event);
L
Linus Torvalds 已提交
3859 3860 3861 3862 3863 3864
		break;
	}

	kfree_skb(skb);
	hdev->stat.evt_rx++;
}