Pileus Git - ~andy/linux/blob - net/bluetooth/hci_event.c

   1 /*
   2    BlueZ - Bluetooth protocol stack for Linux
   3    Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved.
   4
   5    Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License version 2 as
   9    published by the Free Software Foundation;
  10
  11    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  12    OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  13    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
  14    IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
  15    CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
  16    WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  17    ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  18    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  19
  20    ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
  21    COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
  22    SOFTWARE IS DISCLAIMED.
  23 */
  24
  25 /* Bluetooth HCI event handling. */
  26
  27 #include <asm/unaligned.h>
  28
  29 #include <net/bluetooth/bluetooth.h>
  30 #include <net/bluetooth/hci_core.h>
  31 #include <net/bluetooth/mgmt.h>
  32 #include <net/bluetooth/a2mp.h>
  33 #include <net/bluetooth/amp.h>
  34
  35 /* Handle HCI Event packets */
  36
  37 static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)
  38 {
  39         __u8 status = *((__u8 *) skb->data);
  40
  41         BT_DBG("%s status 0x%2.2x", hdev->name, status);
  42
  43         if (status) {
  44                 hci_dev_lock(hdev);
  45                 mgmt_stop_discovery_failed(hdev, status);
  46                 hci_dev_unlock(hdev);
  47                 return;
  48         }
  49
  50         clear_bit(HCI_INQUIRY, &hdev->flags);
  51
  52         hci_dev_lock(hdev);
  53         hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
  54         hci_dev_unlock(hdev);
  55
  56         hci_req_complete(hdev, HCI_OP_INQUIRY_CANCEL, status);
  57
  58         hci_conn_check_pending(hdev);
  59 }
  60
  61 static void hci_cc_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
  62 {
  63         __u8 status = *((__u8 *) skb->data);
  64
  65         BT_DBG("%s status 0x%2.2x", hdev->name, status);
  66
  67         if (status)
  68                 return;
  69
  70         set_bit(HCI_PERIODIC_INQ, &hdev->dev_flags);
  71 }
  72
  73 static void hci_cc_exit_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
  74 {
  75         __u8 status = *((__u8 *) skb->data);
  76
  77         BT_DBG("%s status 0x%2.2x", hdev->name, status);
  78
  79         if (status)
  80                 return;
  81
  82         clear_bit(HCI_PERIODIC_INQ, &hdev->dev_flags);
  83
  84         hci_conn_check_pending(hdev);
  85 }
  86
  87 static void hci_cc_remote_name_req_cancel(struct hci_dev *hdev,
  88                                           struct sk_buff *skb)
  89 {
  90         BT_DBG("%s", hdev->name);
  91 }
  92
  93 static void hci_cc_role_discovery(struct hci_dev *hdev, struct sk_buff *skb)
  94 {
  95         struct hci_rp_role_discovery *rp = (void *) skb->data;
  96         struct hci_conn *conn;
  97
  98         BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
  99
 100         if (rp->status)
 101                 return;
 102
 103         hci_dev_lock(hdev);
 104
 105         conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
 106         if (conn) {
 107                 if (rp->role)
 108                         conn->link_mode &= ~HCI_LM_MASTER;
 109                 else
 110                         conn->link_mode |= HCI_LM_MASTER;
 111         }
 112
 113         hci_dev_unlock(hdev);
 114 }
 115
 116 static void hci_cc_read_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
 117 {
 118         struct hci_rp_read_link_policy *rp = (void *) skb->data;
 119         struct hci_conn *conn;
 120
 121         BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
 122
 123         if (rp->status)
 124                 return;
 125
 126         hci_dev_lock(hdev);
 127
 128         conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
 129         if (conn)
 130                 conn->link_policy = __le16_to_cpu(rp->policy);
 131
 132         hci_dev_unlock(hdev);
 133 }
 134
 135 static void hci_cc_write_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
 136 {
 137         struct hci_rp_write_link_policy *rp = (void *) skb->data;
 138         struct hci_conn *conn;
 139         void *sent;
 140
 141         BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
 142
 143         if (rp->status)
 144                 return;
 145
 146         sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LINK_POLICY);
 147         if (!sent)
 148                 return;
 149
 150         hci_dev_lock(hdev);
 151
 152         conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
 153         if (conn)
 154                 conn->link_policy = get_unaligned_le16(sent + 2);
 155
 156         hci_dev_unlock(hdev);
 157 }
 158
 159 static void hci_cc_read_def_link_policy(struct hci_dev *hdev,
 160                                         struct sk_buff *skb)
 161 {
 162         struct hci_rp_read_def_link_policy *rp = (void *) skb->data;
 163
 164         BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
 165
 166         if (rp->status)
 167                 return;
 168
 169         hdev->link_policy = __le16_to_cpu(rp->policy);
 170 }
 171
 172 static void hci_cc_write_def_link_policy(struct hci_dev *hdev,
 173                                          struct sk_buff *skb)
 174 {
 175         __u8 status = *((__u8 *) skb->data);
 176         void *sent;
 177
 178         BT_DBG("%s status 0x%2.2x", hdev->name, status);
 179
 180         sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_DEF_LINK_POLICY);
 181         if (!sent)
 182                 return;
 183
 184         if (!status)
 185                 hdev->link_policy = get_unaligned_le16(sent);
 186
 187         hci_req_complete(hdev, HCI_OP_WRITE_DEF_LINK_POLICY, status);
 188 }
 189
 190 static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb)
 191 {
 192         __u8 status = *((__u8 *) skb->data);
 193
 194         BT_DBG("%s status 0x%2.2x", hdev->name, status);
 195
 196         clear_bit(HCI_RESET, &hdev->flags);
 197
 198         hci_req_complete(hdev, HCI_OP_RESET, status);
 199
 200         /* Reset all non-persistent flags */
 201         hdev->dev_flags &= ~(BIT(HCI_LE_SCAN) | BIT(HCI_PENDING_CLASS) |
 202                              BIT(HCI_PERIODIC_INQ));
 203
 204         hdev->discovery.state = DISCOVERY_STOPPED;
 205         hdev->inq_tx_power = HCI_TX_POWER_INVALID;
 206         hdev->adv_tx_power = HCI_TX_POWER_INVALID;
 207
 208         memset(hdev->adv_data, 0, sizeof(hdev->adv_data));
 209         hdev->adv_data_len = 0;
 210 }
 211
 212 static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb)
 213 {
 214         __u8 status = *((__u8 *) skb->data);
 215         void *sent;
 216
 217         BT_DBG("%s status 0x%2.2x", hdev->name, status);
 218
 219         sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME);
 220         if (!sent)
 221                 return;
 222
 223         hci_dev_lock(hdev);
 224
 225         if (test_bit(HCI_MGMT, &hdev->dev_flags))
 226                 mgmt_set_local_name_complete(hdev, sent, status);
 227         else if (!status)
 228                 memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH);
 229
 230         hci_dev_unlock(hdev);
 231
 232         if (!status && !test_bit(HCI_INIT, &hdev->flags))
 233                 hci_update_ad(hdev);
 234
 235         hci_req_complete(hdev, HCI_OP_WRITE_LOCAL_NAME, status);
 236 }
 237
 238 static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb)
 239 {
 240         struct hci_rp_read_local_name *rp = (void *) skb->data;
 241
 242         BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
 243
 244         if (rp->status)
 245                 return;
 246
 247         if (test_bit(HCI_SETUP, &hdev->dev_flags))
 248                 memcpy(hdev->dev_name, rp->name, HCI_MAX_NAME_LENGTH);
 249 }
 250
 251 static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb)
 252 {
 253         __u8 status = *((__u8 *) skb->data);
 254         void *sent;
 255
 256         BT_DBG("%s status 0x%2.2x", hdev->name, status);
 257
 258         sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_ENABLE);
 259         if (!sent)
 260                 return;
 261
 262         if (!status) {
 263                 __u8 param = *((__u8 *) sent);
 264
 265                 if (param == AUTH_ENABLED)
 266                         set_bit(HCI_AUTH, &hdev->flags);
 267                 else
 268                         clear_bit(HCI_AUTH, &hdev->flags);
 269         }
 270
 271         if (test_bit(HCI_MGMT, &hdev->dev_flags))
 272                 mgmt_auth_enable_complete(hdev, status);
 273
 274         hci_req_complete(hdev, HCI_OP_WRITE_AUTH_ENABLE, status);
 275 }
 276
 277 static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb)
 278 {
 279         __u8 status = *((__u8 *) skb->data);
 280         void *sent;
 281
 282         BT_DBG("%s status 0x%2.2x", hdev->name, status);
 283
 284         sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE);
 285         if (!sent)
 286                 return;
 287
 288         if (!status) {
 289                 __u8 param = *((__u8 *) sent);
 290
 291                 if (param)
 292                         set_bit(HCI_ENCRYPT, &hdev->flags);
 293                 else
 294                         clear_bit(HCI_ENCRYPT, &hdev->flags);
 295         }
 296
 297         hci_req_complete(hdev, HCI_OP_WRITE_ENCRYPT_MODE, status);
 298 }
 299
 300 static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb)
 301 {
 302         __u8 param, status = *((__u8 *) skb->data);
 303         int old_pscan, old_iscan;
 304         void *sent;
 305
 306         BT_DBG("%s status 0x%2.2x", hdev->name, status);
 307
 308         sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SCAN_ENABLE);
 309         if (!sent)
 310                 return;
 311
 312         param = *((__u8 *) sent);
 313
 314         hci_dev_lock(hdev);
 315
 316         if (status) {
 317                 mgmt_write_scan_failed(hdev, param, status);
 318                 hdev->discov_timeout = 0;
 319                 goto done;
 320         }
 321
 322         old_pscan = test_and_clear_bit(HCI_PSCAN, &hdev->flags);
 323         old_iscan = test_and_clear_bit(HCI_ISCAN, &hdev->flags);
 324
 325         if (param & SCAN_INQUIRY) {
 326                 set_bit(HCI_ISCAN, &hdev->flags);
 327                 if (!old_iscan)
 328                         mgmt_discoverable(hdev, 1);
 329                 if (hdev->discov_timeout > 0) {
 330                         int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
 331                         queue_delayed_work(hdev->workqueue, &hdev->discov_off,
 332                                            to);
 333                 }
 334         } else if (old_iscan)
 335                 mgmt_discoverable(hdev, 0);
 336
 337         if (param & SCAN_PAGE) {
 338                 set_bit(HCI_PSCAN, &hdev->flags);
 339                 if (!old_pscan)
 340                         mgmt_connectable(hdev, 1);
 341         } else if (old_pscan)
 342                 mgmt_connectable(hdev, 0);
 343
 344 done:
 345         hci_dev_unlock(hdev);
 346         hci_req_complete(hdev, HCI_OP_WRITE_SCAN_ENABLE, status);
 347 }
 348
 349 static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
 350 {
 351         struct hci_rp_read_class_of_dev *rp = (void *) skb->data;
 352
 353         BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
 354
 355         if (rp->status)
 356                 return;
 357
 358         memcpy(hdev->dev_class, rp->dev_class, 3);
 359
 360         BT_DBG("%s class 0x%.2x%.2x%.2x", hdev->name,
 361                hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]);
 362 }
 363
 364 static void hci_cc_write_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
 365 {
 366         __u8 status = *((__u8 *) skb->data);
 367         void *sent;
 368
 369         BT_DBG("%s status 0x%2.2x", hdev->name, status);
 370
 371         sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV);
 372         if (!sent)
 373                 return;
 374
 375         hci_dev_lock(hdev);
 376
 377         if (status == 0)
 378                 memcpy(hdev->dev_class, sent, 3);
 379
 380         if (test_bit(HCI_MGMT, &hdev->dev_flags))
 381                 mgmt_set_class_of_dev_complete(hdev, sent, status);
 382
 383         hci_dev_unlock(hdev);
 384 }
 385
 386 static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb)
 387 {
 388         struct hci_rp_read_voice_setting *rp = (void *) skb->data;
 389         __u16 setting;
 390
 391         BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
 392
 393         if (rp->status)
 394                 return;
 395
 396         setting = __le16_to_cpu(rp->voice_setting);
 397
 398         if (hdev->voice_setting == setting)
 399                 return;
 400
 401         hdev->voice_setting = setting;
 402
 403         BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting);
 404
 405         if (hdev->notify)
 406                 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
 407 }
 408
 409 static void hci_cc_write_voice_setting(struct hci_dev *hdev,
 410                                        struct sk_buff *skb)
 411 {
 412         __u8 status = *((__u8 *) skb->data);
 413         __u16 setting;
 414         void *sent;
 415
 416         BT_DBG("%s status 0x%2.2x", hdev->name, status);
 417
 418         if (status)
 419                 return;
 420
 421         sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_VOICE_SETTING);
 422         if (!sent)
 423                 return;
 424
 425         setting = get_unaligned_le16(sent);
 426
 427         if (hdev->voice_setting == setting)
 428                 return;
 429
 430         hdev->voice_setting = setting;
 431
 432         BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting);
 433
 434         if (hdev->notify)
 435                 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
 436 }
 437
 438 static void hci_cc_host_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
 439 {
 440         __u8 status = *((__u8 *) skb->data);
 441
 442         BT_DBG("%s status 0x%2.2x", hdev->name, status);
 443
 444         hci_req_complete(hdev, HCI_OP_HOST_BUFFER_SIZE, status);
 445 }
 446
 447 static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
 448 {
 449         __u8 status = *((__u8 *) skb->data);
 450         struct hci_cp_write_ssp_mode *sent;
 451
 452         BT_DBG("%s status 0x%2.2x", hdev->name, status);
 453
 454         sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE);
 455         if (!sent)
 456                 return;
 457
 458         if (!status) {
 459                 if (sent->mode)
 460                         hdev->host_features[0] |= LMP_HOST_SSP;
 461                 else
 462                         hdev->host_features[0] &= ~LMP_HOST_SSP;
 463         }
 464
 465         if (test_bit(HCI_MGMT, &hdev->dev_flags))
 466                 mgmt_ssp_enable_complete(hdev, sent->mode, status);
 467         else if (!status) {
 468                 if (sent->mode)
 469                         set_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
 470                 else
 471                         clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
 472         }
 473 }
 474
 475 static u8 hci_get_inquiry_mode(struct hci_dev *hdev)
 476 {
 477         if (lmp_ext_inq_capable(hdev))
 478                 return 2;
 479
 480         if (lmp_inq_rssi_capable(hdev))
 481                 return 1;
 482
 483         if (hdev->manufacturer == 11 && hdev->hci_rev == 0x00 &&
 484             hdev->lmp_subver == 0x0757)
 485                 return 1;
 486
 487         if (hdev->manufacturer == 15) {
 488                 if (hdev->hci_rev == 0x03 && hdev->lmp_subver == 0x6963)
 489                         return 1;
 490                 if (hdev->hci_rev == 0x09 && hdev->lmp_subver == 0x6963)
 491                         return 1;
 492                 if (hdev->hci_rev == 0x00 && hdev->lmp_subver == 0x6965)
 493                         return 1;
 494         }
 495
 496         if (hdev->manufacturer == 31 && hdev->hci_rev == 0x2005 &&
 497             hdev->lmp_subver == 0x1805)
 498                 return 1;
 499
 500         return 0;
 501 }
 502
 503 static void hci_setup_inquiry_mode(struct hci_dev *hdev)
 504 {
 505         u8 mode;
 506
 507         mode = hci_get_inquiry_mode(hdev);
 508
 509         hci_send_cmd(hdev, HCI_OP_WRITE_INQUIRY_MODE, 1, &mode);
 510 }
 511
 512 static void hci_setup_event_mask(struct hci_dev *hdev)
 513 {
 514         /* The second byte is 0xff instead of 0x9f (two reserved bits
 515          * disabled) since a Broadcom 1.2 dongle doesn't respond to the
 516          * command otherwise */
 517         u8 events[8] = { 0xff, 0xff, 0xfb, 0xff, 0x00, 0x00, 0x00, 0x00 };
 518
 519         /* CSR 1.1 dongles does not accept any bitfield so don't try to set
 520          * any event mask for pre 1.2 devices */
 521         if (hdev->hci_ver < BLUETOOTH_VER_1_2)
 522                 return;
 523
 524         if (lmp_bredr_capable(hdev)) {
 525                 events[4] |= 0x01; /* Flow Specification Complete */
 526                 events[4] |= 0x02; /* Inquiry Result with RSSI */
 527                 events[4] |= 0x04; /* Read Remote Extended Features Complete */
 528                 events[5] |= 0x08; /* Synchronous Connection Complete */
 529                 events[5] |= 0x10; /* Synchronous Connection Changed */
 530         }
 531
 532         if (lmp_inq_rssi_capable(hdev))
 533                 events[4] |= 0x02; /* Inquiry Result with RSSI */
 534
 535         if (lmp_sniffsubr_capable(hdev))
 536                 events[5] |= 0x20; /* Sniff Subrating */
 537
 538         if (lmp_pause_enc_capable(hdev))
 539                 events[5] |= 0x80; /* Encryption Key Refresh Complete */
 540
 541         if (lmp_ext_inq_capable(hdev))
 542                 events[5] |= 0x40; /* Extended Inquiry Result */
 543
 544         if (lmp_no_flush_capable(hdev))
 545                 events[7] |= 0x01; /* Enhanced Flush Complete */
 546
 547         if (lmp_lsto_capable(hdev))
 548                 events[6] |= 0x80; /* Link Supervision Timeout Changed */
 549
 550         if (lmp_ssp_capable(hdev)) {
 551                 events[6] |= 0x01;      /* IO Capability Request */
 552                 events[6] |= 0x02;      /* IO Capability Response */
 553                 events[6] |= 0x04;      /* User Confirmation Request */
 554                 events[6] |= 0x08;      /* User Passkey Request */
 555                 events[6] |= 0x10;      /* Remote OOB Data Request */
 556                 events[6] |= 0x20;      /* Simple Pairing Complete */
 557                 events[7] |= 0x04;      /* User Passkey Notification */
 558                 events[7] |= 0x08;      /* Keypress Notification */
 559                 events[7] |= 0x10;      /* Remote Host Supported
 560                                          * Features Notification */
 561         }
 562
 563         if (lmp_le_capable(hdev))
 564                 events[7] |= 0x20;      /* LE Meta-Event */
 565
 566         hci_send_cmd(hdev, HCI_OP_SET_EVENT_MASK, sizeof(events), events);
 567
 568         if (lmp_le_capable(hdev)) {
 569                 memset(events, 0, sizeof(events));
 570                 events[0] = 0x1f;
 571                 hci_send_cmd(hdev, HCI_OP_LE_SET_EVENT_MASK,
 572                              sizeof(events), events);
 573         }
 574 }
 575
 576 static void bredr_setup(struct hci_dev *hdev)
 577 {
 578         struct hci_cp_delete_stored_link_key cp;
 579         __le16 param;
 580         __u8 flt_type;
 581
 582         /* Read Buffer Size (ACL mtu, max pkt, etc.) */
 583         hci_send_cmd(hdev, HCI_OP_READ_BUFFER_SIZE, 0, NULL);
 584
 585         /* Read Class of Device */
 586         hci_send_cmd(hdev, HCI_OP_READ_CLASS_OF_DEV, 0, NULL);
 587
 588         /* Read Local Name */
 589         hci_send_cmd(hdev, HCI_OP_READ_LOCAL_NAME, 0, NULL);
 590
 591         /* Read Voice Setting */
 592         hci_send_cmd(hdev, HCI_OP_READ_VOICE_SETTING, 0, NULL);
 593
 594         /* Clear Event Filters */
 595         flt_type = HCI_FLT_CLEAR_ALL;
 596         hci_send_cmd(hdev, HCI_OP_SET_EVENT_FLT, 1, &flt_type);
 597
 598         /* Connection accept timeout ~20 secs */
 599         param = __constant_cpu_to_le16(0x7d00);
 600         hci_send_cmd(hdev, HCI_OP_WRITE_CA_TIMEOUT, 2, &param);
 601
 602         bacpy(&cp.bdaddr, BDADDR_ANY);
 603         cp.delete_all = 1;
 604         hci_send_cmd(hdev, HCI_OP_DELETE_STORED_LINK_KEY, sizeof(cp), &cp);
 605 }
 606
 607 static void le_setup(struct hci_dev *hdev)
 608 {
 609         /* Read LE Buffer Size */
 610         hci_send_cmd(hdev, HCI_OP_LE_READ_BUFFER_SIZE, 0, NULL);
 611
 612         /* Read LE Advertising Channel TX Power */
 613         hci_send_cmd(hdev, HCI_OP_LE_READ_ADV_TX_POWER, 0, NULL);
 614 }
 615
 616 static void hci_setup(struct hci_dev *hdev)
 617 {
 618         if (hdev->dev_type != HCI_BREDR)
 619                 return;
 620
 621         /* Read BD Address */
 622         hci_send_cmd(hdev, HCI_OP_READ_BD_ADDR, 0, NULL);
 623
 624         if (lmp_bredr_capable(hdev))
 625                 bredr_setup(hdev);
 626
 627         if (lmp_le_capable(hdev))
 628                 le_setup(hdev);
 629
 630         hci_setup_event_mask(hdev);
 631
 632         if (hdev->hci_ver > BLUETOOTH_VER_1_1)
 633                 hci_send_cmd(hdev, HCI_OP_READ_LOCAL_COMMANDS, 0, NULL);
 634
 635         if (lmp_ssp_capable(hdev)) {
 636                 if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
 637                         u8 mode = 0x01;
 638                         hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE,
 639                                      sizeof(mode), &mode);
 640                 } else {
 641                         struct hci_cp_write_eir cp;
 642
 643                         memset(hdev->eir, 0, sizeof(hdev->eir));
 644                         memset(&cp, 0, sizeof(cp));
 645
 646                         hci_send_cmd(hdev, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
 647                 }
 648         }
 649
 650         if (lmp_inq_rssi_capable(hdev))
 651                 hci_setup_inquiry_mode(hdev);
 652
 653         if (lmp_inq_tx_pwr_capable(hdev))
 654                 hci_send_cmd(hdev, HCI_OP_READ_INQ_RSP_TX_POWER, 0, NULL);
 655
 656         if (lmp_ext_feat_capable(hdev)) {
 657                 struct hci_cp_read_local_ext_features cp;
 658
 659                 cp.page = 0x01;
 660                 hci_send_cmd(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES, sizeof(cp),
 661                              &cp);
 662         }
 663
 664         if (test_bit(HCI_LINK_SECURITY, &hdev->dev_flags)) {
 665                 u8 enable = 1;
 666                 hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, sizeof(enable),
 667                              &enable);
 668         }
 669 }
 670
 671 static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
 672 {
 673         struct hci_rp_read_local_version *rp = (void *) skb->data;
 674
 675         BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
 676
 677         if (rp->status)
 678                 goto done;
 679
 680         hdev->hci_ver = rp->hci_ver;
 681         hdev->hci_rev = __le16_to_cpu(rp->hci_rev);
 682         hdev->lmp_ver = rp->lmp_ver;
 683         hdev->manufacturer = __le16_to_cpu(rp->manufacturer);
 684         hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver);
 685
 686         BT_DBG("%s manufacturer 0x%4.4x hci ver %d:%d", hdev->name,
 687                hdev->manufacturer, hdev->hci_ver, hdev->hci_rev);
 688
 689         if (test_bit(HCI_INIT, &hdev->flags))
 690                 hci_setup(hdev);
 691
 692 done:
 693         hci_req_complete(hdev, HCI_OP_READ_LOCAL_VERSION, rp->status);
 694 }
 695
 696 static void hci_setup_link_policy(struct hci_dev *hdev)
 697 {
 698         struct hci_cp_write_def_link_policy cp;
 699         u16 link_policy = 0;
 700
 701         if (lmp_rswitch_capable(hdev))
 702                 link_policy |= HCI_LP_RSWITCH;
 703         if (lmp_hold_capable(hdev))
 704                 link_policy |= HCI_LP_HOLD;
 705         if (lmp_sniff_capable(hdev))
 706                 link_policy |= HCI_LP_SNIFF;
 707         if (lmp_park_capable(hdev))
 708                 link_policy |= HCI_LP_PARK;
 709
 710         cp.policy = cpu_to_le16(link_policy);
 711         hci_send_cmd(hdev, HCI_OP_WRITE_DEF_LINK_POLICY, sizeof(cp), &cp);
 712 }
 713
 714 static void hci_cc_read_local_commands(struct hci_dev *hdev,
 715                                        struct sk_buff *skb)
 716 {
 717         struct hci_rp_read_local_commands *rp = (void *) skb->data;
 718
 719         BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
 720
 721         if (rp->status)
 722                 goto done;
 723
 724         memcpy(hdev->commands, rp->commands, sizeof(hdev->commands));
 725
 726         if (test_bit(HCI_INIT, &hdev->flags) && (hdev->commands[5] & 0x10))
 727                 hci_setup_link_policy(hdev);
 728
 729 done:
 730         hci_req_complete(hdev, HCI_OP_READ_LOCAL_COMMANDS, rp->status);
 731 }
 732
 733 static void hci_cc_read_local_features(struct hci_dev *hdev,
 734                                        struct sk_buff *skb)
 735 {
 736         struct hci_rp_read_local_features *rp = (void *) skb->data;
 737
 738         BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
 739
 740         if (rp->status)
 741                 return;
 742
 743         memcpy(hdev->features, rp->features, 8);
 744
 745         /* Adjust default settings according to features
 746          * supported by device. */
 747
 748         if (hdev->features[0] & LMP_3SLOT)
 749                 hdev->pkt_type |= (HCI_DM3 | HCI_DH3);
 750
 751         if (hdev->features[0] & LMP_5SLOT)
 752                 hdev->pkt_type |= (HCI_DM5 | HCI_DH5);
 753
 754         if (hdev->features[1] & LMP_HV2) {
 755                 hdev->pkt_type  |= (HCI_HV2);
 756                 hdev->esco_type |= (ESCO_HV2);
 757         }
 758
 759         if (hdev->features[1] & LMP_HV3) {
 760                 hdev->pkt_type  |= (HCI_HV3);
 761                 hdev->esco_type |= (ESCO_HV3);
 762         }
 763
 764         if (lmp_esco_capable(hdev))
 765                 hdev->esco_type |= (ESCO_EV3);
 766
 767         if (hdev->features[4] & LMP_EV4)
 768                 hdev->esco_type |= (ESCO_EV4);
 769
 770         if (hdev->features[4] & LMP_EV5)
 771                 hdev->esco_type |= (ESCO_EV5);
 772
 773         if (hdev->features[5] & LMP_EDR_ESCO_2M)
 774                 hdev->esco_type |= (ESCO_2EV3);
 775
 776         if (hdev->features[5] & LMP_EDR_ESCO_3M)
 777                 hdev->esco_type |= (ESCO_3EV3);
 778
 779         if (hdev->features[5] & LMP_EDR_3S_ESCO)
 780                 hdev->esco_type |= (ESCO_2EV5 | ESCO_3EV5);
 781
 782         BT_DBG("%s features 0x%.2x%.2x%.2x%.2x%.2x%.2x%.2x%.2x", hdev->name,
 783                hdev->features[0], hdev->features[1],
 784                hdev->features[2], hdev->features[3],
 785                hdev->features[4], hdev->features[5],
 786                hdev->features[6], hdev->features[7]);
 787 }
 788
 789 static void hci_set_le_support(struct hci_dev *hdev)
 790 {
 791         struct hci_cp_write_le_host_supported cp;
 792
 793         memset(&cp, 0, sizeof(cp));
 794
 795         if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
 796                 cp.le = 1;
 797                 cp.simul = !!lmp_le_br_capable(hdev);
 798         }
 799
 800         if (cp.le != !!lmp_host_le_capable(hdev))
 801                 hci_send_cmd(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(cp),
 802                              &cp);
 803 }
 804
 805 static void hci_cc_read_local_ext_features(struct hci_dev *hdev,
 806                                            struct sk_buff *skb)
 807 {
 808         struct hci_rp_read_local_ext_features *rp = (void *) skb->data;
 809
 810         BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
 811
 812         if (rp->status)
 813                 goto done;
 814
 815         switch (rp->page) {
 816         case 0:
 817                 memcpy(hdev->features, rp->features, 8);
 818                 break;
 819         case 1:
 820                 memcpy(hdev->host_features, rp->features, 8);
 821                 break;
 822         }
 823
 824         if (test_bit(HCI_INIT, &hdev->flags) && lmp_le_capable(hdev))
 825                 hci_set_le_support(hdev);
 826
 827 done:
 828         hci_req_complete(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES, rp->status);
 829 }
 830
 831 static void hci_cc_read_flow_control_mode(struct hci_dev *hdev,
 832                                           struct sk_buff *skb)
 833 {
 834         struct hci_rp_read_flow_control_mode *rp = (void *) skb->data;
 835
 836         BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
 837
 838         if (rp->status)
 839                 return;
 840
 841         hdev->flow_ctl_mode = rp->mode;
 842
 843         hci_req_complete(hdev, HCI_OP_READ_FLOW_CONTROL_MODE, rp->status);
 844 }
 845
 846 static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
 847 {
 848         struct hci_rp_read_buffer_size *rp = (void *) skb->data;
 849
 850         BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
 851
 852         if (rp->status)
 853                 return;
 854
 855         hdev->acl_mtu  = __le16_to_cpu(rp->acl_mtu);
 856         hdev->sco_mtu  = rp->sco_mtu;
 857         hdev->acl_pkts = __le16_to_cpu(rp->acl_max_pkt);
 858         hdev->sco_pkts = __le16_to_cpu(rp->sco_max_pkt);
 859
 860         if (test_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks)) {
 861                 hdev->sco_mtu  = 64;
 862                 hdev->sco_pkts = 8;
 863         }
 864
 865         hdev->acl_cnt = hdev->acl_pkts;
 866         hdev->sco_cnt = hdev->sco_pkts;
 867
 868         BT_DBG("%s acl mtu %d:%d sco mtu %d:%d", hdev->name, hdev->acl_mtu,
 869                hdev->acl_pkts, hdev->sco_mtu, hdev->sco_pkts);
 870 }
 871
 872 static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb)
 873 {
 874         struct hci_rp_read_bd_addr *rp = (void *) skb->data;
 875
 876         BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
 877
 878         if (!rp->status)
 879                 bacpy(&hdev->bdaddr, &rp->bdaddr);
 880
 881         hci_req_complete(hdev, HCI_OP_READ_BD_ADDR, rp->status);
 882 }
 883
 884 static void hci_cc_read_data_block_size(struct hci_dev *hdev,
 885                                         struct sk_buff *skb)
 886 {
 887         struct hci_rp_read_data_block_size *rp = (void *) skb->data;
 888
 889         BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
 890
 891         if (rp->status)
 892                 return;
 893
 894         hdev->block_mtu = __le16_to_cpu(rp->max_acl_len);
 895         hdev->block_len = __le16_to_cpu(rp->block_len);
 896         hdev->num_blocks = __le16_to_cpu(rp->num_blocks);
 897
 898         hdev->block_cnt = hdev->num_blocks;
 899
 900         BT_DBG("%s blk mtu %d cnt %d len %d", hdev->name, hdev->block_mtu,
 901                hdev->block_cnt, hdev->block_len);
 902
 903         hci_req_complete(hdev, HCI_OP_READ_DATA_BLOCK_SIZE, rp->status);
 904 }
 905
 906 static void hci_cc_write_ca_timeout(struct hci_dev *hdev, struct sk_buff *skb)
 907 {
 908         __u8 status = *((__u8 *) skb->data);
 909
 910         BT_DBG("%s status 0x%2.2x", hdev->name, status);
 911
 912         hci_req_complete(hdev, HCI_OP_WRITE_CA_TIMEOUT, status);
 913 }
 914
 915 static void hci_cc_read_local_amp_info(struct hci_dev *hdev,
 916                                        struct sk_buff *skb)
 917 {
 918         struct hci_rp_read_local_amp_info *rp = (void *) skb->data;
 919
 920         BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
 921
 922         if (rp->status)
 923                 goto a2mp_rsp;
 924
 925         hdev->amp_status = rp->amp_status;
 926         hdev->amp_total_bw = __le32_to_cpu(rp->total_bw);
 927         hdev->amp_max_bw = __le32_to_cpu(rp->max_bw);
 928         hdev->amp_min_latency = __le32_to_cpu(rp->min_latency);
 929         hdev->amp_max_pdu = __le32_to_cpu(rp->max_pdu);
 930         hdev->amp_type = rp->amp_type;
 931         hdev->amp_pal_cap = __le16_to_cpu(rp->pal_cap);
 932         hdev->amp_assoc_size = __le16_to_cpu(rp->max_assoc_size);
 933         hdev->amp_be_flush_to = __le32_to_cpu(rp->be_flush_to);
 934         hdev->amp_max_flush_to = __le32_to_cpu(rp->max_flush_to);
 935
 936         hci_req_complete(hdev, HCI_OP_READ_LOCAL_AMP_INFO, rp->status);
 937
 938 a2mp_rsp:
 939         a2mp_send_getinfo_rsp(hdev);
 940 }
 941
 942 static void hci_cc_read_local_amp_assoc(struct hci_dev *hdev,
 943                                         struct sk_buff *skb)
 944 {
 945         struct hci_rp_read_local_amp_assoc *rp = (void *) skb->data;
 946         struct amp_assoc *assoc = &hdev->loc_assoc;
 947         size_t rem_len, frag_len;
 948
 949         BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
 950
 951         if (rp->status)
 952                 goto a2mp_rsp;
 953
 954         frag_len = skb->len - sizeof(*rp);
 955         rem_len = __le16_to_cpu(rp->rem_len);
 956
 957         if (rem_len > frag_len) {
 958                 BT_DBG("frag_len %zu rem_len %zu", frag_len, rem_len);
 959
 960                 memcpy(assoc->data + assoc->offset, rp->frag, frag_len);
 961                 assoc->offset += frag_len;
 962
 963                 /* Read other fragments */
 964                 amp_read_loc_assoc_frag(hdev, rp->phy_handle);
 965
 966                 return;
 967         }
 968
 969         memcpy(assoc->data + assoc->offset, rp->frag, rem_len);
 970         assoc->len = assoc->offset + rem_len;
 971         assoc->offset = 0;
 972
 973 a2mp_rsp:
 974         /* Send A2MP Rsp when all fragments are received */
 975         a2mp_send_getampassoc_rsp(hdev, rp->status);
 976         a2mp_send_create_phy_link_req(hdev, rp->status);
 977 }
 978
 979 static void hci_cc_delete_stored_link_key(struct hci_dev *hdev,
 980                                           struct sk_buff *skb)
 981 {
 982         __u8 status = *((__u8 *) skb->data);
 983
 984         BT_DBG("%s status 0x%2.2x", hdev->name, status);
 985
 986         hci_req_complete(hdev, HCI_OP_DELETE_STORED_LINK_KEY, status);
 987 }
 988
 989 static void hci_cc_set_event_mask(struct hci_dev *hdev, struct sk_buff *skb)
 990 {
 991         __u8 status = *((__u8 *) skb->data);
 992
 993         BT_DBG("%s status 0x%2.2x", hdev->name, status);
 994
 995         hci_req_complete(hdev, HCI_OP_SET_EVENT_MASK, status);
 996 }
 997
 998 static void hci_cc_write_inquiry_mode(struct hci_dev *hdev,
 999                                       struct sk_buff *skb)
1000 {
1001         __u8 status = *((__u8 *) skb->data);
1002
1003         BT_DBG("%s status 0x%2.2x", hdev->name, status);
1004
1005         hci_req_complete(hdev, HCI_OP_WRITE_INQUIRY_MODE, status);
1006 }
1007
1008 static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev,
1009                                          struct sk_buff *skb)
1010 {
1011         struct hci_rp_read_inq_rsp_tx_power *rp = (void *) skb->data;
1012
1013         BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1014
1015         if (!rp->status)
1016                 hdev->inq_tx_power = rp->tx_power;
1017
1018         hci_req_complete(hdev, HCI_OP_READ_INQ_RSP_TX_POWER, rp->status);
1019 }
1020
1021 static void hci_cc_set_event_flt(struct hci_dev *hdev, struct sk_buff *skb)
1022 {
1023         __u8 status = *((__u8 *) skb->data);
1024
1025         BT_DBG("%s status 0x%2.2x", hdev->name, status);
1026
1027         hci_req_complete(hdev, HCI_OP_SET_EVENT_FLT, status);
1028 }
1029
1030 static void hci_cc_pin_code_reply(struct hci_dev *hdev, struct sk_buff *skb)
1031 {
1032         struct hci_rp_pin_code_reply *rp = (void *) skb->data;
1033         struct hci_cp_pin_code_reply *cp;
1034         struct hci_conn *conn;
1035
1036         BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1037
1038         hci_dev_lock(hdev);
1039
1040         if (test_bit(HCI_MGMT, &hdev->dev_flags))
1041                 mgmt_pin_code_reply_complete(hdev, &rp->bdaddr, rp->status);
1042
1043         if (rp->status)
1044                 goto unlock;
1045
1046         cp = hci_sent_cmd_data(hdev, HCI_OP_PIN_CODE_REPLY);
1047         if (!cp)
1048                 goto unlock;
1049
1050         conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1051         if (conn)
1052                 conn->pin_length = cp->pin_len;
1053
1054 unlock:
1055         hci_dev_unlock(hdev);
1056 }
1057
1058 static void hci_cc_pin_code_neg_reply(struct hci_dev *hdev, struct sk_buff *skb)
1059 {
1060         struct hci_rp_pin_code_neg_reply *rp = (void *) skb->data;
1061
1062         BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1063
1064         hci_dev_lock(hdev);
1065
1066         if (test_bit(HCI_MGMT, &hdev->dev_flags))
1067                 mgmt_pin_code_neg_reply_complete(hdev, &rp->bdaddr,
1068                                                  rp->status);
1069
1070         hci_dev_unlock(hdev);
1071 }
1072
1073 static void hci_cc_le_read_buffer_size(struct hci_dev *hdev,
1074                                        struct sk_buff *skb)
1075 {
1076         struct hci_rp_le_read_buffer_size *rp = (void *) skb->data;
1077
1078         BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1079
1080         if (rp->status)
1081                 return;
1082
1083         hdev->le_mtu = __le16_to_cpu(rp->le_mtu);
1084         hdev->le_pkts = rp->le_max_pkt;
1085
1086         hdev->le_cnt = hdev->le_pkts;
1087
1088         BT_DBG("%s le mtu %d:%d", hdev->name, hdev->le_mtu, hdev->le_pkts);
1089
1090         hci_req_complete(hdev, HCI_OP_LE_READ_BUFFER_SIZE, rp->status);
1091 }
1092
1093 static void hci_cc_le_read_adv_tx_power(struct hci_dev *hdev,
1094                                         struct sk_buff *skb)
1095 {
1096         struct hci_rp_le_read_adv_tx_power *rp = (void *) skb->data;
1097
1098         BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1099
1100         if (!rp->status) {
1101                 hdev->adv_tx_power = rp->tx_power;
1102                 if (!test_bit(HCI_INIT, &hdev->flags))
1103                         hci_update_ad(hdev);
1104         }
1105
1106         hci_req_complete(hdev, HCI_OP_LE_READ_ADV_TX_POWER, rp->status);
1107 }
1108
1109 static void hci_cc_le_set_event_mask(struct hci_dev *hdev, struct sk_buff *skb)
1110 {
1111         __u8 status = *((__u8 *) skb->data);
1112
1113         BT_DBG("%s status 0x%2.2x", hdev->name, status);
1114
1115         hci_req_complete(hdev, HCI_OP_LE_SET_EVENT_MASK, status);
1116 }
1117
1118 static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb)
1119 {
1120         struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
1121
1122         BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1123
1124         hci_dev_lock(hdev);
1125
1126         if (test_bit(HCI_MGMT, &hdev->dev_flags))
1127                 mgmt_user_confirm_reply_complete(hdev, &rp->bdaddr, ACL_LINK, 0,
1128                                                  rp->status);
1129
1130         hci_dev_unlock(hdev);
1131 }
1132
1133 static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev,
1134                                           struct sk_buff *skb)
1135 {
1136         struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
1137
1138         BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1139
1140         hci_dev_lock(hdev);
1141
1142         if (test_bit(HCI_MGMT, &hdev->dev_flags))
1143                 mgmt_user_confirm_neg_reply_complete(hdev, &rp->bdaddr,
1144                                                      ACL_LINK, 0, rp->status);
1145
1146         hci_dev_unlock(hdev);
1147 }
1148
1149 static void hci_cc_user_passkey_reply(struct hci_dev *hdev, struct sk_buff *skb)
1150 {
1151         struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
1152
1153         BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1154
1155         hci_dev_lock(hdev);
1156
1157         if (test_bit(HCI_MGMT, &hdev->dev_flags))
1158                 mgmt_user_passkey_reply_complete(hdev, &rp->bdaddr, ACL_LINK,
1159                                                  0, rp->status);
1160
1161         hci_dev_unlock(hdev);
1162 }
1163
1164 static void hci_cc_user_passkey_neg_reply(struct hci_dev *hdev,
1165                                           struct sk_buff *skb)
1166 {
1167         struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
1168
1169         BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1170
1171         hci_dev_lock(hdev);
1172
1173         if (test_bit(HCI_MGMT, &hdev->dev_flags))
1174                 mgmt_user_passkey_neg_reply_complete(hdev, &rp->bdaddr,
1175                                                      ACL_LINK, 0, rp->status);
1176
1177         hci_dev_unlock(hdev);
1178 }
1179
1180 static void hci_cc_read_local_oob_data_reply(struct hci_dev *hdev,
1181                                              struct sk_buff *skb)
1182 {
1183         struct hci_rp_read_local_oob_data *rp = (void *) skb->data;
1184
1185         BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1186
1187         hci_dev_lock(hdev);
1188         mgmt_read_local_oob_data_reply_complete(hdev, rp->hash,
1189                                                 rp->randomizer, rp->status);
1190         hci_dev_unlock(hdev);
1191 }
1192
1193 static void hci_cc_le_set_adv_enable(struct hci_dev *hdev, struct sk_buff *skb)
1194 {
1195         __u8 *sent, status = *((__u8 *) skb->data);
1196
1197         BT_DBG("%s status 0x%2.2x", hdev->name, status);
1198
1199         sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_ENABLE);
1200         if (!sent)
1201                 return;
1202
1203         hci_dev_lock(hdev);
1204
1205         if (!status) {
1206                 if (*sent)
1207                         set_bit(HCI_LE_PERIPHERAL, &hdev->dev_flags);
1208                 else
1209                         clear_bit(HCI_LE_PERIPHERAL, &hdev->dev_flags);
1210         }
1211
1212         hci_dev_unlock(hdev);
1213
1214         if (!test_bit(HCI_INIT, &hdev->flags))
1215                 hci_update_ad(hdev);
1216
1217         hci_req_complete(hdev, HCI_OP_LE_SET_ADV_ENABLE, status);
1218 }
1219
1220 static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb)
1221 {
1222         __u8 status = *((__u8 *) skb->data);
1223
1224         BT_DBG("%s status 0x%2.2x", hdev->name, status);
1225
1226         hci_req_complete(hdev, HCI_OP_LE_SET_SCAN_PARAM, status);
1227
1228         if (status) {
1229                 hci_dev_lock(hdev);
1230                 mgmt_start_discovery_failed(hdev, status);
1231                 hci_dev_unlock(hdev);
1232                 return;
1233         }
1234 }
1235
1236 static void hci_cc_le_set_scan_enable(struct hci_dev *hdev,
1237                                       struct sk_buff *skb)
1238 {
1239         struct hci_cp_le_set_scan_enable *cp;
1240         __u8 status = *((__u8 *) skb->data);
1241
1242         BT_DBG("%s status 0x%2.2x", hdev->name, status);
1243
1244         cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE);
1245         if (!cp)
1246                 return;
1247
1248         switch (cp->enable) {
1249         case LE_SCANNING_ENABLED:
1250                 hci_req_complete(hdev, HCI_OP_LE_SET_SCAN_ENABLE, status);
1251
1252                 if (status) {
1253                         hci_dev_lock(hdev);
1254                         mgmt_start_discovery_failed(hdev, status);
1255                         hci_dev_unlock(hdev);
1256                         return;
1257                 }
1258
1259                 set_bit(HCI_LE_SCAN, &hdev->dev_flags);
1260
1261                 hci_dev_lock(hdev);
1262                 hci_discovery_set_state(hdev, DISCOVERY_FINDING);
1263                 hci_dev_unlock(hdev);
1264                 break;
1265
1266         case LE_SCANNING_DISABLED:
1267                 if (status) {
1268                         hci_dev_lock(hdev);
1269                         mgmt_stop_discovery_failed(hdev, status);
1270                         hci_dev_unlock(hdev);
1271                         return;
1272                 }
1273
1274                 clear_bit(HCI_LE_SCAN, &hdev->dev_flags);
1275
1276                 if (hdev->discovery.type == DISCOV_TYPE_INTERLEAVED &&
1277                     hdev->discovery.state == DISCOVERY_FINDING) {
1278                         mgmt_interleaved_discovery(hdev);
1279                 } else {
1280                         hci_dev_lock(hdev);
1281                         hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1282                         hci_dev_unlock(hdev);
1283                 }
1284
1285                 break;
1286
1287         default:
1288                 BT_ERR("Used reserved LE_Scan_Enable param %d", cp->enable);
1289                 break;
1290         }
1291 }
1292
1293 static void hci_cc_le_ltk_reply(struct hci_dev *hdev, struct sk_buff *skb)
1294 {
1295         struct hci_rp_le_ltk_reply *rp = (void *) skb->data;
1296
1297         BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1298
1299         if (rp->status)
1300                 return;
1301
1302         hci_req_complete(hdev, HCI_OP_LE_LTK_REPLY, rp->status);
1303 }
1304
1305 static void hci_cc_le_ltk_neg_reply(struct hci_dev *hdev, struct sk_buff *skb)
1306 {
1307         struct hci_rp_le_ltk_neg_reply *rp = (void *) skb->data;
1308
1309         BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1310
1311         if (rp->status)
1312                 return;
1313
1314         hci_req_complete(hdev, HCI_OP_LE_LTK_NEG_REPLY, rp->status);
1315 }
1316
1317 static void hci_cc_write_le_host_supported(struct hci_dev *hdev,
1318                                            struct sk_buff *skb)
1319 {
1320         struct hci_cp_write_le_host_supported *sent;
1321         __u8 status = *((__u8 *) skb->data);
1322
1323         BT_DBG("%s status 0x%2.2x", hdev->name, status);
1324
1325         sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED);
1326         if (!sent)
1327                 return;
1328
1329         if (!status) {
1330                 if (sent->le)
1331                         hdev->host_features[0] |= LMP_HOST_LE;
1332                 else
1333                         hdev->host_features[0] &= ~LMP_HOST_LE;
1334
1335                 if (sent->simul)
1336                         hdev->host_features[0] |= LMP_HOST_LE_BREDR;
1337                 else
1338                         hdev->host_features[0] &= ~LMP_HOST_LE_BREDR;
1339         }
1340
1341         if (test_bit(HCI_MGMT, &hdev->dev_flags) &&
1342             !test_bit(HCI_INIT, &hdev->flags))
1343                 mgmt_le_enable_complete(hdev, sent->le, status);
1344
1345         hci_req_complete(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED, status);
1346 }
1347
1348 static void hci_cc_write_remote_amp_assoc(struct hci_dev *hdev,
1349                                           struct sk_buff *skb)
1350 {
1351         struct hci_rp_write_remote_amp_assoc *rp = (void *) skb->data;
1352
1353         BT_DBG("%s status 0x%2.2x phy_handle 0x%2.2x",
1354                hdev->name, rp->status, rp->phy_handle);
1355
1356         if (rp->status)
1357                 return;
1358
1359         amp_write_rem_assoc_continue(hdev, rp->phy_handle);
1360 }
1361
1362 static void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
1363 {
1364         BT_DBG("%s status 0x%2.2x", hdev->name, status);
1365
1366         if (status) {
1367                 hci_req_complete(hdev, HCI_OP_INQUIRY, status);
1368                 hci_conn_check_pending(hdev);
1369                 hci_dev_lock(hdev);
1370                 if (test_bit(HCI_MGMT, &hdev->dev_flags))
1371                         mgmt_start_discovery_failed(hdev, status);
1372                 hci_dev_unlock(hdev);
1373                 return;
1374         }
1375
1376         set_bit(HCI_INQUIRY, &hdev->flags);
1377
1378         hci_dev_lock(hdev);
1379         hci_discovery_set_state(hdev, DISCOVERY_FINDING);
1380         hci_dev_unlock(hdev);
1381 }
1382
1383 static void hci_cs_create_conn(struct hci_dev *hdev, __u8 status)
1384 {
1385         struct hci_cp_create_conn *cp;
1386         struct hci_conn *conn;
1387
1388         BT_DBG("%s status 0x%2.2x", hdev->name, status);
1389
1390         cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN);
1391         if (!cp)
1392                 return;
1393
1394         hci_dev_lock(hdev);
1395
1396         conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1397
1398         BT_DBG("%s bdaddr %pMR hcon %p", hdev->name, &cp->bdaddr, conn);
1399
1400         if (status) {
1401                 if (conn && conn->state == BT_CONNECT) {
1402                         if (status != 0x0c || conn->attempt > 2) {
1403                                 conn->state = BT_CLOSED;
1404                                 hci_proto_connect_cfm(conn, status);
1405                                 hci_conn_del(conn);
1406                         } else
1407                                 conn->state = BT_CONNECT2;
1408                 }
1409         } else {
1410                 if (!conn) {
1411                         conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr);
1412                         if (conn) {
1413                                 conn->out = true;
1414                                 conn->link_mode |= HCI_LM_MASTER;
1415                         } else
1416                                 BT_ERR("No memory for new connection");
1417                 }
1418         }
1419
1420         hci_dev_unlock(hdev);
1421 }
1422
1423 static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status)
1424 {
1425         struct hci_cp_add_sco *cp;
1426         struct hci_conn *acl, *sco;
1427         __u16 handle;
1428
1429         BT_DBG("%s status 0x%2.2x", hdev->name, status);
1430
1431         if (!status)
1432                 return;
1433
1434         cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO);
1435         if (!cp)
1436                 return;
1437
1438         handle = __le16_to_cpu(cp->handle);
1439
1440         BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
1441
1442         hci_dev_lock(hdev);
1443
1444         acl = hci_conn_hash_lookup_handle(hdev, handle);
1445         if (acl) {
1446                 sco = acl->link;
1447                 if (sco) {
1448                         sco->state = BT_CLOSED;
1449
1450                         hci_proto_connect_cfm(sco, status);
1451                         hci_conn_del(sco);
1452                 }
1453         }
1454
1455         hci_dev_unlock(hdev);
1456 }
1457
1458 static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status)
1459 {
1460         struct hci_cp_auth_requested *cp;
1461         struct hci_conn *conn;
1462
1463         BT_DBG("%s status 0x%2.2x", hdev->name, status);
1464
1465         if (!status)
1466                 return;
1467
1468         cp = hci_sent_cmd_data(hdev, HCI_OP_AUTH_REQUESTED);
1469         if (!cp)
1470                 return;
1471
1472         hci_dev_lock(hdev);
1473
1474         conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1475         if (conn) {
1476                 if (conn->state == BT_CONFIG) {
1477                         hci_proto_connect_cfm(conn, status);
1478                         hci_conn_put(conn);
1479                 }
1480         }
1481
1482         hci_dev_unlock(hdev);
1483 }
1484
1485 static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status)
1486 {
1487         struct hci_cp_set_conn_encrypt *cp;
1488         struct hci_conn *conn;
1489
1490         BT_DBG("%s status 0x%2.2x", hdev->name, status);
1491
1492         if (!status)
1493                 return;
1494
1495         cp = hci_sent_cmd_data(hdev, HCI_OP_SET_CONN_ENCRYPT);
1496         if (!cp)
1497                 return;
1498
1499         hci_dev_lock(hdev);
1500
1501         conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1502         if (conn) {
1503                 if (conn->state == BT_CONFIG) {
1504                         hci_proto_connect_cfm(conn, status);
1505                         hci_conn_put(conn);
1506                 }
1507         }
1508
1509         hci_dev_unlock(hdev);
1510 }
1511
1512 static int hci_outgoing_auth_needed(struct hci_dev *hdev,
1513                                     struct hci_conn *conn)
1514 {
1515         if (conn->state != BT_CONFIG || !conn->out)
1516                 return 0;
1517
1518         if (conn->pending_sec_level == BT_SECURITY_SDP)
1519                 return 0;
1520
1521         /* Only request authentication for SSP connections or non-SSP
1522          * devices with sec_level HIGH or if MITM protection is requested */
1523         if (!hci_conn_ssp_enabled(conn) && !(conn->auth_type & 0x01) &&
1524             conn->pending_sec_level != BT_SECURITY_HIGH)
1525                 return 0;
1526
1527         return 1;
1528 }
1529
1530 static int hci_resolve_name(struct hci_dev *hdev,
1531                                    struct inquiry_entry *e)
1532 {
1533         struct hci_cp_remote_name_req cp;
1534
1535         memset(&cp, 0, sizeof(cp));
1536
1537         bacpy(&cp.bdaddr, &e->data.bdaddr);
1538         cp.pscan_rep_mode = e->data.pscan_rep_mode;
1539         cp.pscan_mode = e->data.pscan_mode;
1540         cp.clock_offset = e->data.clock_offset;
1541
1542         return hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
1543 }
1544
1545 static bool hci_resolve_next_name(struct hci_dev *hdev)
1546 {
1547         struct discovery_state *discov = &hdev->discovery;
1548         struct inquiry_entry *e;
1549
1550         if (list_empty(&discov->resolve))
1551                 return false;
1552
1553         e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
1554         if (!e)
1555                 return false;
1556
1557         if (hci_resolve_name(hdev, e) == 0) {
1558                 e->name_state = NAME_PENDING;
1559                 return true;
1560         }
1561
1562         return false;
1563 }
1564
1565 static void hci_check_pending_name(struct hci_dev *hdev, struct hci_conn *conn,
1566                                    bdaddr_t *bdaddr, u8 *name, u8 name_len)
1567 {
1568         struct discovery_state *discov = &hdev->discovery;
1569         struct inquiry_entry *e;
1570
1571         if (conn && !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
1572                 mgmt_device_connected(hdev, bdaddr, ACL_LINK, 0x00, 0, name,
1573                                       name_len, conn->dev_class);
1574
1575         if (discov->state == DISCOVERY_STOPPED)
1576                 return;
1577
1578         if (discov->state == DISCOVERY_STOPPING)
1579                 goto discov_complete;
1580
1581         if (discov->state != DISCOVERY_RESOLVING)
1582                 return;
1583
1584         e = hci_inquiry_cache_lookup_resolve(hdev, bdaddr, NAME_PENDING);
1585         /* If the device was not found in a list of found devices names of which
1586          * are pending. there is no need to continue resolving a next name as it
1587          * will be done upon receiving another Remote Name Request Complete
1588          * Event */
1589         if (!e)
1590                 return;
1591
1592         list_del(&e->list);
1593         if (name) {
1594                 e->name_state = NAME_KNOWN;
1595                 mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00,
1596                                  e->data.rssi, name, name_len);
1597         } else {
1598                 e->name_state = NAME_NOT_KNOWN;
1599         }
1600
1601         if (hci_resolve_next_name(hdev))
1602                 return;
1603
1604 discov_complete:
1605         hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1606 }
1607
1608 static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status)
1609 {
1610         struct hci_cp_remote_name_req *cp;
1611         struct hci_conn *conn;
1612
1613         BT_DBG("%s status 0x%2.2x", hdev->name, status);
1614
1615         /* If successful wait for the name req complete event before
1616          * checking for the need to do authentication */
1617         if (!status)
1618                 return;
1619
1620         cp = hci_sent_cmd_data(hdev, HCI_OP_REMOTE_NAME_REQ);
1621         if (!cp)
1622                 return;
1623
1624         hci_dev_lock(hdev);
1625
1626         conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1627
1628         if (test_bit(HCI_MGMT, &hdev->dev_flags))
1629                 hci_check_pending_name(hdev, conn, &cp->bdaddr, NULL, 0);
1630
1631         if (!conn)
1632                 goto unlock;
1633
1634         if (!hci_outgoing_auth_needed(hdev, conn))
1635                 goto unlock;
1636
1637         if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
1638                 struct hci_cp_auth_requested cp;
1639                 cp.handle = __cpu_to_le16(conn->handle);
1640                 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
1641         }
1642
1643 unlock:
1644         hci_dev_unlock(hdev);
1645 }
1646
1647 static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status)
1648 {
1649         struct hci_cp_read_remote_features *cp;
1650         struct hci_conn *conn;
1651
1652         BT_DBG("%s status 0x%2.2x", hdev->name, status);
1653
1654         if (!status)
1655                 return;
1656
1657         cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_FEATURES);
1658         if (!cp)
1659                 return;
1660
1661         hci_dev_lock(hdev);
1662
1663         conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1664         if (conn) {
1665                 if (conn->state == BT_CONFIG) {
1666                         hci_proto_connect_cfm(conn, status);
1667                         hci_conn_put(conn);
1668                 }
1669         }
1670
1671         hci_dev_unlock(hdev);
1672 }
1673
1674 static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status)
1675 {
1676         struct hci_cp_read_remote_ext_features *cp;
1677         struct hci_conn *conn;
1678
1679         BT_DBG("%s status 0x%2.2x", hdev->name, status);
1680
1681         if (!status)
1682                 return;
1683
1684         cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES);
1685         if (!cp)
1686                 return;
1687
1688         hci_dev_lock(hdev);
1689
1690         conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1691         if (conn) {
1692                 if (conn->state == BT_CONFIG) {
1693                         hci_proto_connect_cfm(conn, status);
1694                         hci_conn_put(conn);
1695                 }
1696         }
1697
1698         hci_dev_unlock(hdev);
1699 }
1700
1701 static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status)
1702 {
1703         struct hci_cp_setup_sync_conn *cp;
1704         struct hci_conn *acl, *sco;
1705         __u16 handle;
1706
1707         BT_DBG("%s status 0x%2.2x", hdev->name, status);
1708
1709         if (!status)
1710                 return;
1711
1712         cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN);
1713         if (!cp)
1714                 return;
1715
1716         handle = __le16_to_cpu(cp->handle);
1717
1718         BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
1719
1720         hci_dev_lock(hdev);
1721
1722         acl = hci_conn_hash_lookup_handle(hdev, handle);
1723         if (acl) {
1724                 sco = acl->link;
1725                 if (sco) {
1726                         sco->state = BT_CLOSED;
1727
1728                         hci_proto_connect_cfm(sco, status);
1729                         hci_conn_del(sco);
1730                 }
1731         }
1732
1733         hci_dev_unlock(hdev);
1734 }
1735
1736 static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status)
1737 {
1738         struct hci_cp_sniff_mode *cp;
1739         struct hci_conn *conn;
1740
1741         BT_DBG("%s status 0x%2.2x", hdev->name, status);
1742
1743         if (!status)
1744                 return;
1745
1746         cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE);
1747         if (!cp)
1748                 return;
1749
1750         hci_dev_lock(hdev);
1751
1752         conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1753         if (conn) {
1754                 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
1755
1756                 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
1757                         hci_sco_setup(conn, status);
1758         }
1759
1760         hci_dev_unlock(hdev);
1761 }
1762
1763 static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status)
1764 {
1765         struct hci_cp_exit_sniff_mode *cp;
1766         struct hci_conn *conn;
1767
1768         BT_DBG("%s status 0x%2.2x", hdev->name, status);
1769
1770         if (!status)
1771                 return;
1772
1773         cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE);
1774         if (!cp)
1775                 return;
1776
1777         hci_dev_lock(hdev);
1778
1779         conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1780         if (conn) {
1781                 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
1782
1783                 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
1784                         hci_sco_setup(conn, status);
1785         }
1786
1787         hci_dev_unlock(hdev);
1788 }
1789
1790 static void hci_cs_disconnect(struct hci_dev *hdev, u8 status)
1791 {
1792         struct hci_cp_disconnect *cp;
1793         struct hci_conn *conn;
1794
1795         if (!status)
1796                 return;
1797
1798         cp = hci_sent_cmd_data(hdev, HCI_OP_DISCONNECT);
1799         if (!cp)
1800                 return;
1801
1802         hci_dev_lock(hdev);
1803
1804         conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1805         if (conn)
1806                 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
1807                                        conn->dst_type, status);
1808
1809         hci_dev_unlock(hdev);
1810 }
1811
1812 static void hci_cs_le_create_conn(struct hci_dev *hdev, __u8 status)
1813 {
1814         struct hci_conn *conn;
1815
1816         BT_DBG("%s status 0x%2.2x", hdev->name, status);
1817
1818         if (status) {
1819                 hci_dev_lock(hdev);
1820
1821                 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
1822                 if (!conn) {
1823                         hci_dev_unlock(hdev);
1824                         return;
1825                 }
1826
1827                 BT_DBG("%s bdaddr %pMR conn %p", hdev->name, &conn->dst, conn);
1828
1829                 conn->state = BT_CLOSED;
1830                 mgmt_connect_failed(hdev, &conn->dst, conn->type,
1831                                     conn->dst_type, status);
1832                 hci_proto_connect_cfm(conn, status);
1833                 hci_conn_del(conn);
1834
1835                 hci_dev_unlock(hdev);
1836         }
1837 }
1838
1839 static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status)
1840 {
1841         BT_DBG("%s status 0x%2.2x", hdev->name, status);
1842 }
1843
1844 static void hci_cs_create_phylink(struct hci_dev *hdev, u8 status)
1845 {
1846         struct hci_cp_create_phy_link *cp;
1847
1848         BT_DBG("%s status 0x%2.2x", hdev->name, status);
1849
1850         cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_PHY_LINK);
1851         if (!cp)
1852                 return;
1853
1854         hci_dev_lock(hdev);
1855
1856         if (status) {
1857                 struct hci_conn *hcon;
1858
1859                 hcon = hci_conn_hash_lookup_handle(hdev, cp->phy_handle);
1860                 if (hcon)
1861                         hci_conn_del(hcon);
1862         } else {
1863                 amp_write_remote_assoc(hdev, cp->phy_handle);
1864         }
1865
1866         hci_dev_unlock(hdev);
1867 }
1868
1869 static void hci_cs_accept_phylink(struct hci_dev *hdev, u8 status)
1870 {
1871         struct hci_cp_accept_phy_link *cp;
1872
1873         BT_DBG("%s status 0x%2.2x", hdev->name, status);
1874
1875         if (status)
1876                 return;
1877
1878         cp = hci_sent_cmd_data(hdev, HCI_OP_ACCEPT_PHY_LINK);
1879         if (!cp)
1880                 return;
1881
1882         amp_write_remote_assoc(hdev, cp->phy_handle);
1883 }
1884
1885 static void hci_cs_create_logical_link(struct hci_dev *hdev, u8 status)
1886 {
1887         BT_DBG("%s status 0x%2.2x", hdev->name, status);
1888 }
1889
1890 static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1891 {
1892         __u8 status = *((__u8 *) skb->data);
1893         struct discovery_state *discov = &hdev->discovery;
1894         struct inquiry_entry *e;
1895
1896         BT_DBG("%s status 0x%2.2x", hdev->name, status);
1897
1898         hci_req_complete(hdev, HCI_OP_INQUIRY, status);
1899
1900         hci_conn_check_pending(hdev);
1901
1902         if (!test_and_clear_bit(HCI_INQUIRY, &hdev->flags))
1903                 return;
1904
1905         if (!test_bit(HCI_MGMT, &hdev->dev_flags))
1906                 return;
1907
1908         hci_dev_lock(hdev);
1909
1910         if (discov->state != DISCOVERY_FINDING)
1911                 goto unlock;
1912
1913         if (list_empty(&discov->resolve)) {
1914                 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1915                 goto unlock;
1916         }
1917
1918         e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
1919         if (e && hci_resolve_name(hdev, e) == 0) {
1920                 e->name_state = NAME_PENDING;
1921                 hci_discovery_set_state(hdev, DISCOVERY_RESOLVING);
1922         } else {
1923                 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1924         }
1925
1926 unlock:
1927         hci_dev_unlock(hdev);
1928 }
1929
1930 static void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
1931 {
1932         struct inquiry_data data;
1933         struct inquiry_info *info = (void *) (skb->data + 1);
1934         int num_rsp = *((__u8 *) skb->data);
1935
1936         BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1937
1938         if (!num_rsp)
1939                 return;
1940
1941         if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
1942                 return;
1943
1944         hci_dev_lock(hdev);
1945
1946         for (; num_rsp; num_rsp--, info++) {
1947                 bool name_known, ssp;
1948
1949                 bacpy(&data.bdaddr, &info->bdaddr);
1950                 data.pscan_rep_mode     = info->pscan_rep_mode;
1951                 data.pscan_period_mode  = info->pscan_period_mode;
1952                 data.pscan_mode         = info->pscan_mode;
1953                 memcpy(data.dev_class, info->dev_class, 3);
1954                 data.clock_offset       = info->clock_offset;
1955                 data.rssi               = 0x00;
1956                 data.ssp_mode           = 0x00;
1957
1958                 name_known = hci_inquiry_cache_update(hdev, &data, false, &ssp);
1959                 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
1960                                   info->dev_class, 0, !name_known, ssp, NULL,
1961                                   0);
1962         }
1963
1964         hci_dev_unlock(hdev);
1965 }
1966
1967 static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1968 {
1969         struct hci_ev_conn_complete *ev = (void *) skb->data;
1970         struct hci_conn *conn;
1971
1972         BT_DBG("%s", hdev->name);
1973
1974         hci_dev_lock(hdev);
1975
1976         conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
1977         if (!conn) {
1978                 if (ev->link_type != SCO_LINK)
1979                         goto unlock;
1980
1981                 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
1982                 if (!conn)
1983                         goto unlock;
1984
1985                 conn->type = SCO_LINK;
1986         }
1987
1988         if (!ev->status) {
1989                 conn->handle = __le16_to_cpu(ev->handle);
1990
1991                 if (conn->type == ACL_LINK) {
1992                         conn->state = BT_CONFIG;
1993                         hci_conn_hold(conn);
1994
1995                         if (!conn->out && !hci_conn_ssp_enabled(conn) &&
1996                             !hci_find_link_key(hdev, &ev->bdaddr))
1997                                 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
1998                         else
1999                                 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
2000                 } else
2001                         conn->state = BT_CONNECTED;
2002
2003                 hci_conn_hold_device(conn);
2004                 hci_conn_add_sysfs(conn);
2005
2006                 if (test_bit(HCI_AUTH, &hdev->flags))
2007                         conn->link_mode |= HCI_LM_AUTH;
2008
2009                 if (test_bit(HCI_ENCRYPT, &hdev->flags))
2010                         conn->link_mode |= HCI_LM_ENCRYPT;
2011
2012                 /* Get remote features */
2013                 if (conn->type == ACL_LINK) {
2014                         struct hci_cp_read_remote_features cp;
2015                         cp.handle = ev->handle;
2016                         hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES,
2017                                      sizeof(cp), &cp);
2018                 }
2019
2020                 /* Set packet type for incoming connection */
2021                 if (!conn->out && hdev->hci_ver < BLUETOOTH_VER_2_0) {
2022                         struct hci_cp_change_conn_ptype cp;
2023                         cp.handle = ev->handle;
2024                         cp.pkt_type = cpu_to_le16(conn->pkt_type);
2025                         hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp),
2026                                      &cp);
2027                 }
2028         } else {
2029                 conn->state = BT_CLOSED;
2030                 if (conn->type == ACL_LINK)
2031                         mgmt_connect_failed(hdev, &ev->bdaddr, conn->type,
2032                                             conn->dst_type, ev->status);
2033         }
2034
2035         if (conn->type == ACL_LINK)
2036                 hci_sco_setup(conn, ev->status);
2037
2038         if (ev->status) {
2039                 hci_proto_connect_cfm(conn, ev->status);
2040                 hci_conn_del(conn);
2041         } else if (ev->link_type != ACL_LINK)
2042                 hci_proto_connect_cfm(conn, ev->status);
2043
2044 unlock:
2045         hci_dev_unlock(hdev);
2046
2047         hci_conn_check_pending(hdev);
2048 }
2049
2050 static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
2051 {
2052         struct hci_ev_conn_request *ev = (void *) skb->data;
2053         int mask = hdev->link_mode;
2054
2055         BT_DBG("%s bdaddr %pMR type 0x%x", hdev->name, &ev->bdaddr,
2056                ev->link_type);
2057
2058         mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type);
2059
2060         if ((mask & HCI_LM_ACCEPT) &&
2061             !hci_blacklist_lookup(hdev, &ev->bdaddr)) {
2062                 /* Connection accepted */
2063                 struct inquiry_entry *ie;
2064                 struct hci_conn *conn;
2065
2066                 hci_dev_lock(hdev);
2067
2068                 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
2069                 if (ie)
2070                         memcpy(ie->data.dev_class, ev->dev_class, 3);
2071
2072                 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type,
2073                                                &ev->bdaddr);
2074                 if (!conn) {
2075                         conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr);
2076                         if (!conn) {
2077                                 BT_ERR("No memory for new connection");
2078                                 hci_dev_unlock(hdev);
2079                                 return;
2080                         }
2081                 }
2082
2083                 memcpy(conn->dev_class, ev->dev_class, 3);
2084                 conn->state = BT_CONNECT;
2085
2086                 hci_dev_unlock(hdev);
2087
2088                 if (ev->link_type == ACL_LINK || !lmp_esco_capable(hdev)) {
2089                         struct hci_cp_accept_conn_req cp;
2090
2091                         bacpy(&cp.bdaddr, &ev->bdaddr);
2092
2093                         if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER))
2094                                 cp.role = 0x00; /* Become master */
2095                         else
2096                                 cp.role = 0x01; /* Remain slave */
2097
2098                         hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp),
2099                                      &cp);
2100                 } else {
2101                         struct hci_cp_accept_sync_conn_req cp;
2102
2103                         bacpy(&cp.bdaddr, &ev->bdaddr);
2104                         cp.pkt_type = cpu_to_le16(conn->pkt_type);
2105
2106                         cp.tx_bandwidth   = __constant_cpu_to_le32(0x00001f40);
2107                         cp.rx_bandwidth   = __constant_cpu_to_le32(0x00001f40);
2108                         cp.max_latency    = __constant_cpu_to_le16(0xffff);
2109                         cp.content_format = cpu_to_le16(hdev->voice_setting);
2110                         cp.retrans_effort = 0xff;
2111
2112                         hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ,
2113                                      sizeof(cp), &cp);
2114                 }
2115         } else {
2116                 /* Connection rejected */
2117                 struct hci_cp_reject_conn_req cp;
2118
2119                 bacpy(&cp.bdaddr, &ev->bdaddr);
2120                 cp.reason = HCI_ERROR_REJ_BAD_ADDR;
2121                 hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp);
2122         }
2123 }
2124
2125 static u8 hci_to_mgmt_reason(u8 err)
2126 {
2127         switch (err) {
2128         case HCI_ERROR_CONNECTION_TIMEOUT:
2129                 return MGMT_DEV_DISCONN_TIMEOUT;
2130         case HCI_ERROR_REMOTE_USER_TERM:
2131         case HCI_ERROR_REMOTE_LOW_RESOURCES:
2132         case HCI_ERROR_REMOTE_POWER_OFF:
2133                 return MGMT_DEV_DISCONN_REMOTE;
2134         case HCI_ERROR_LOCAL_HOST_TERM:
2135                 return MGMT_DEV_DISCONN_LOCAL_HOST;
2136         default:
2137                 return MGMT_DEV_DISCONN_UNKNOWN;
2138         }
2139 }
2140
2141 static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
2142 {
2143         struct hci_ev_disconn_complete *ev = (void *) skb->data;
2144         struct hci_conn *conn;
2145
2146         BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
2147
2148         hci_dev_lock(hdev);
2149
2150         conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2151         if (!conn)
2152                 goto unlock;
2153
2154         if (ev->status == 0)
2155                 conn->state = BT_CLOSED;
2156
2157         if (test_and_clear_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags) &&
2158             (conn->type == ACL_LINK || conn->type == LE_LINK)) {
2159                 if (ev->status) {
2160                         mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
2161                                                conn->dst_type, ev->status);
2162                 } else {
2163                         u8 reason = hci_to_mgmt_reason(ev->reason);
2164
2165                         mgmt_device_disconnected(hdev, &conn->dst, conn->type,
2166                                                  conn->dst_type, reason);
2167                 }
2168         }
2169
2170         if (ev->status == 0) {
2171                 if (conn->type == ACL_LINK && conn->flush_key)
2172                         hci_remove_link_key(hdev, &conn->dst);
2173                 hci_proto_disconn_cfm(conn, ev->reason);
2174                 hci_conn_del(conn);
2175         }
2176
2177 unlock:
2178         hci_dev_unlock(hdev);
2179 }
2180
2181 static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
2182 {
2183         struct hci_ev_auth_complete *ev = (void *) skb->data;
2184         struct hci_conn *conn;
2185
2186         BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
2187
2188         hci_dev_lock(hdev);
2189
2190         conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2191         if (!conn)
2192                 goto unlock;
2193
2194         if (!ev->status) {
2195                 if (!hci_conn_ssp_enabled(conn) &&
2196                     test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) {
2197                         BT_INFO("re-auth of legacy device is not possible.");
2198                 } else {
2199                         conn->link_mode |= HCI_LM_AUTH;
2200                         conn->sec_level = conn->pending_sec_level;
2201                 }
2202         } else {
2203                 mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type,
2204                                  ev->status);
2205         }
2206
2207         clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
2208         clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags);
2209
2210         if (conn->state == BT_CONFIG) {
2211                 if (!ev->status && hci_conn_ssp_enabled(conn)) {
2212                         struct hci_cp_set_conn_encrypt cp;
2213                         cp.handle  = ev->handle;
2214                         cp.encrypt = 0x01;
2215                         hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
2216                                      &cp);
2217                 } else {
2218                         conn->state = BT_CONNECTED;
2219                         hci_proto_connect_cfm(conn, ev->status);
2220                         hci_conn_put(conn);
2221                 }
2222         } else {
2223                 hci_auth_cfm(conn, ev->status);
2224
2225                 hci_conn_hold(conn);
2226                 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
2227                 hci_conn_put(conn);
2228         }
2229
2230         if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) {
2231                 if (!ev->status) {
2232                         struct hci_cp_set_conn_encrypt cp;
2233                         cp.handle  = ev->handle;
2234                         cp.encrypt = 0x01;
2235                         hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
2236                                      &cp);
2237                 } else {
2238                         clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
2239                         hci_encrypt_cfm(conn, ev->status, 0x00);
2240                 }
2241         }
2242
2243 unlock:
2244         hci_dev_unlock(hdev);
2245 }
2246
2247 static void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb)
2248 {
2249         struct hci_ev_remote_name *ev = (void *) skb->data;
2250         struct hci_conn *conn;
2251
2252         BT_DBG("%s", hdev->name);
2253
2254         hci_conn_check_pending(hdev);
2255
2256         hci_dev_lock(hdev);
2257
2258         conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2259
2260         if (!test_bit(HCI_MGMT, &hdev->dev_flags))
2261                 goto check_auth;
2262
2263         if (ev->status == 0)
2264                 hci_check_pending_name(hdev, conn, &ev->bdaddr, ev->name,
2265                                        strnlen(ev->name, HCI_MAX_NAME_LENGTH));
2266         else
2267                 hci_check_pending_name(hdev, conn, &ev->bdaddr, NULL, 0);
2268
2269 check_auth:
2270         if (!conn)
2271                 goto unlock;
2272
2273         if (!hci_outgoing_auth_needed(hdev, conn))
2274                 goto unlock;
2275
2276         if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
2277                 struct hci_cp_auth_requested cp;
2278                 cp.handle = __cpu_to_le16(conn->handle);
2279                 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
2280         }
2281
2282 unlock:
2283         hci_dev_unlock(hdev);
2284 }
2285
2286 static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
2287 {
2288         struct hci_ev_encrypt_change *ev = (void *) skb->data;
2289         struct hci_conn *conn;
2290
2291         BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
2292
2293         hci_dev_lock(hdev);
2294
2295         conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2296         if (conn) {
2297                 if (!ev->status) {
2298                         if (ev->encrypt) {
2299                                 /* Encryption implies authentication */
2300                                 conn->link_mode |= HCI_LM_AUTH;
2301                                 conn->link_mode |= HCI_LM_ENCRYPT;
2302                                 conn->sec_level = conn->pending_sec_level;
2303                         } else
2304                                 conn->link_mode &= ~HCI_LM_ENCRYPT;
2305                 }
2306
2307                 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
2308
2309                 if (ev->status && conn->state == BT_CONNECTED) {
2310                         hci_acl_disconn(conn, HCI_ERROR_AUTH_FAILURE);
2311                         hci_conn_put(conn);
2312                         goto unlock;
2313                 }
2314
2315                 if (conn->state == BT_CONFIG) {
2316                         if (!ev->status)
2317                                 conn->state = BT_CONNECTED;
2318
2319                         hci_proto_connect_cfm(conn, ev->status);
2320                         hci_conn_put(conn);
2321                 } else
2322                         hci_encrypt_cfm(conn, ev->status, ev->encrypt);
2323         }
2324
2325 unlock:
2326         hci_dev_unlock(hdev);
2327 }
2328
2329 static void hci_change_link_key_complete_evt(struct hci_dev *hdev,
2330                                              struct sk_buff *skb)
2331 {
2332         struct hci_ev_change_link_key_complete *ev = (void *) skb->data;
2333         struct hci_conn *conn;
2334
2335         BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
2336
2337         hci_dev_lock(hdev);
2338
2339         conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2340         if (conn) {
2341                 if (!ev->status)
2342                         conn->link_mode |= HCI_LM_SECURE;
2343
2344                 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
2345
2346                 hci_key_change_cfm(conn, ev->status);
2347         }
2348
2349         hci_dev_unlock(hdev);
2350 }
2351
2352 static void hci_remote_features_evt(struct hci_dev *hdev,
2353                                     struct sk_buff *skb)
2354 {
2355         struct hci_ev_remote_features *ev = (void *) skb->data;
2356         struct hci_conn *conn;
2357
2358         BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
2359
2360         hci_dev_lock(hdev);
2361
2362         conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2363         if (!conn)
2364                 goto unlock;
2365
2366         if (!ev->status)
2367                 memcpy(conn->features, ev->features, 8);
2368
2369         if (conn->state != BT_CONFIG)
2370                 goto unlock;
2371
2372         if (!ev->status && lmp_ssp_capable(hdev) && lmp_ssp_capable(conn)) {
2373                 struct hci_cp_read_remote_ext_features cp;
2374                 cp.handle = ev->handle;
2375                 cp.page = 0x01;
2376                 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES,
2377                              sizeof(cp), &cp);
2378                 goto unlock;
2379         }
2380
2381         if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
2382                 struct hci_cp_remote_name_req cp;
2383                 memset(&cp, 0, sizeof(cp));
2384                 bacpy(&cp.bdaddr, &conn->dst);
2385                 cp.pscan_rep_mode = 0x02;
2386                 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
2387         } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
2388                 mgmt_device_connected(hdev, &conn->dst, conn->type,
2389                                       conn->dst_type, 0, NULL, 0,
2390                                       conn->dev_class);
2391
2392         if (!hci_outgoing_auth_needed(hdev, conn)) {
2393                 conn->state = BT_CONNECTED;
2394                 hci_proto_connect_cfm(conn, ev->status);
2395                 hci_conn_put(conn);
2396         }
2397
2398 unlock:
2399         hci_dev_unlock(hdev);
2400 }
2401
2402 static void hci_remote_version_evt(struct hci_dev *hdev, struct sk_buff *skb)
2403 {
2404         BT_DBG("%s", hdev->name);
2405 }
2406
2407 static void hci_qos_setup_complete_evt(struct hci_dev *hdev,
2408                                        struct sk_buff *skb)
2409 {
2410         BT_DBG("%s", hdev->name);
2411 }
2412
2413 static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
2414 {
2415         struct hci_ev_cmd_complete *ev = (void *) skb->data;
2416         __u16 opcode;
2417
2418         skb_pull(skb, sizeof(*ev));
2419
2420         opcode = __le16_to_cpu(ev->opcode);
2421
2422         switch (opcode) {
2423         case HCI_OP_INQUIRY_CANCEL:
2424                 hci_cc_inquiry_cancel(hdev, skb);
2425                 break;
2426
2427         case HCI_OP_PERIODIC_INQ:
2428                 hci_cc_periodic_inq(hdev, skb);
2429                 break;
2430
2431         case HCI_OP_EXIT_PERIODIC_INQ:
2432                 hci_cc_exit_periodic_inq(hdev, skb);
2433                 break;
2434
2435         case HCI_OP_REMOTE_NAME_REQ_CANCEL:
2436                 hci_cc_remote_name_req_cancel(hdev, skb);
2437                 break;
2438
2439         case HCI_OP_ROLE_DISCOVERY:
2440                 hci_cc_role_discovery(hdev, skb);
2441                 break;
2442
2443         case HCI_OP_READ_LINK_POLICY:
2444                 hci_cc_read_link_policy(hdev, skb);
2445                 break;
2446
2447         case HCI_OP_WRITE_LINK_POLICY:
2448                 hci_cc_write_link_policy(hdev, skb);
2449                 break;
2450
2451         case HCI_OP_READ_DEF_LINK_POLICY:
2452                 hci_cc_read_def_link_policy(hdev, skb);
2453                 break;
2454
2455         case HCI_OP_WRITE_DEF_LINK_POLICY:
2456                 hci_cc_write_def_link_policy(hdev, skb);
2457                 break;
2458
2459         case HCI_OP_RESET:
2460                 hci_cc_reset(hdev, skb);
2461                 break;
2462
2463         case HCI_OP_WRITE_LOCAL_NAME:
2464                 hci_cc_write_local_name(hdev, skb);
2465                 break;
2466
2467         case HCI_OP_READ_LOCAL_NAME:
2468                 hci_cc_read_local_name(hdev, skb);
2469                 break;
2470
2471         case HCI_OP_WRITE_AUTH_ENABLE:
2472                 hci_cc_write_auth_enable(hdev, skb);
2473                 break;
2474
2475         case HCI_OP_WRITE_ENCRYPT_MODE:
2476                 hci_cc_write_encrypt_mode(hdev, skb);
2477                 break;
2478
2479         case HCI_OP_WRITE_SCAN_ENABLE:
2480                 hci_cc_write_scan_enable(hdev, skb);
2481                 break;
2482
2483         case HCI_OP_READ_CLASS_OF_DEV:
2484                 hci_cc_read_class_of_dev(hdev, skb);
2485                 break;
2486
2487         case HCI_OP_WRITE_CLASS_OF_DEV:
2488                 hci_cc_write_class_of_dev(hdev, skb);
2489                 break;
2490
2491         case HCI_OP_READ_VOICE_SETTING:
2492                 hci_cc_read_voice_setting(hdev, skb);
2493                 break;
2494
2495         case HCI_OP_WRITE_VOICE_SETTING:
2496                 hci_cc_write_voice_setting(hdev, skb);
2497                 break;
2498
2499         case HCI_OP_HOST_BUFFER_SIZE:
2500                 hci_cc_host_buffer_size(hdev, skb);
2501                 break;
2502
2503         case HCI_OP_WRITE_SSP_MODE:
2504                 hci_cc_write_ssp_mode(hdev, skb);
2505                 break;
2506
2507         case HCI_OP_READ_LOCAL_VERSION:
2508                 hci_cc_read_local_version(hdev, skb);
2509                 break;
2510
2511         case HCI_OP_READ_LOCAL_COMMANDS:
2512                 hci_cc_read_local_commands(hdev, skb);
2513                 break;
2514
2515         case HCI_OP_READ_LOCAL_FEATURES:
2516                 hci_cc_read_local_features(hdev, skb);
2517                 break;
2518
2519         case HCI_OP_READ_LOCAL_EXT_FEATURES:
2520                 hci_cc_read_local_ext_features(hdev, skb);
2521                 break;
2522
2523         case HCI_OP_READ_BUFFER_SIZE:
2524                 hci_cc_read_buffer_size(hdev, skb);
2525                 break;
2526
2527         case HCI_OP_READ_BD_ADDR:
2528                 hci_cc_read_bd_addr(hdev, skb);
2529                 break;
2530
2531         case HCI_OP_READ_DATA_BLOCK_SIZE:
2532                 hci_cc_read_data_block_size(hdev, skb);
2533                 break;
2534
2535         case HCI_OP_WRITE_CA_TIMEOUT:
2536                 hci_cc_write_ca_timeout(hdev, skb);
2537                 break;
2538
2539         case HCI_OP_READ_FLOW_CONTROL_MODE:
2540                 hci_cc_read_flow_control_mode(hdev, skb);
2541                 break;
2542
2543         case HCI_OP_READ_LOCAL_AMP_INFO:
2544                 hci_cc_read_local_amp_info(hdev, skb);
2545                 break;
2546
2547         case HCI_OP_READ_LOCAL_AMP_ASSOC:
2548                 hci_cc_read_local_amp_assoc(hdev, skb);
2549                 break;
2550
2551         case HCI_OP_DELETE_STORED_LINK_KEY:
2552                 hci_cc_delete_stored_link_key(hdev, skb);
2553                 break;
2554
2555         case HCI_OP_SET_EVENT_MASK:
2556                 hci_cc_set_event_mask(hdev, skb);
2557                 break;
2558
2559         case HCI_OP_WRITE_INQUIRY_MODE:
2560                 hci_cc_write_inquiry_mode(hdev, skb);
2561                 break;
2562
2563         case HCI_OP_READ_INQ_RSP_TX_POWER:
2564                 hci_cc_read_inq_rsp_tx_power(hdev, skb);
2565                 break;
2566
2567         case HCI_OP_SET_EVENT_FLT:
2568                 hci_cc_set_event_flt(hdev, skb);
2569                 break;
2570
2571         case HCI_OP_PIN_CODE_REPLY:
2572                 hci_cc_pin_code_reply(hdev, skb);
2573                 break;
2574
2575         case HCI_OP_PIN_CODE_NEG_REPLY:
2576                 hci_cc_pin_code_neg_reply(hdev, skb);
2577                 break;
2578
2579         case HCI_OP_READ_LOCAL_OOB_DATA:
2580                 hci_cc_read_local_oob_data_reply(hdev, skb);
2581                 break;
2582
2583         case HCI_OP_LE_READ_BUFFER_SIZE:
2584                 hci_cc_le_read_buffer_size(hdev, skb);
2585                 break;
2586
2587         case HCI_OP_LE_READ_ADV_TX_POWER:
2588                 hci_cc_le_read_adv_tx_power(hdev, skb);
2589                 break;
2590
2591         case HCI_OP_LE_SET_EVENT_MASK:
2592                 hci_cc_le_set_event_mask(hdev, skb);
2593                 break;
2594
2595         case HCI_OP_USER_CONFIRM_REPLY:
2596                 hci_cc_user_confirm_reply(hdev, skb);
2597                 break;
2598
2599         case HCI_OP_USER_CONFIRM_NEG_REPLY:
2600                 hci_cc_user_confirm_neg_reply(hdev, skb);
2601                 break;
2602
2603         case HCI_OP_USER_PASSKEY_REPLY:
2604                 hci_cc_user_passkey_reply(hdev, skb);
2605                 break;
2606
2607         case HCI_OP_USER_PASSKEY_NEG_REPLY:
2608                 hci_cc_user_passkey_neg_reply(hdev, skb);
2609                 break;
2610
2611         case HCI_OP_LE_SET_SCAN_PARAM:
2612                 hci_cc_le_set_scan_param(hdev, skb);
2613                 break;
2614
2615         case HCI_OP_LE_SET_ADV_ENABLE:
2616                 hci_cc_le_set_adv_enable(hdev, skb);
2617                 break;
2618
2619         case HCI_OP_LE_SET_SCAN_ENABLE:
2620                 hci_cc_le_set_scan_enable(hdev, skb);
2621                 break;
2622
2623         case HCI_OP_LE_LTK_REPLY:
2624                 hci_cc_le_ltk_reply(hdev, skb);
2625                 break;
2626
2627         case HCI_OP_LE_LTK_NEG_REPLY:
2628                 hci_cc_le_ltk_neg_reply(hdev, skb);
2629                 break;
2630
2631         case HCI_OP_WRITE_LE_HOST_SUPPORTED:
2632                 hci_cc_write_le_host_supported(hdev, skb);
2633                 break;
2634
2635         case HCI_OP_WRITE_REMOTE_AMP_ASSOC:
2636                 hci_cc_write_remote_amp_assoc(hdev, skb);
2637                 break;
2638
2639         default:
2640                 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
2641                 break;
2642         }
2643
2644         if (ev->opcode != HCI_OP_NOP)
2645                 del_timer(&hdev->cmd_timer);
2646
2647         if (ev->ncmd) {
2648                 atomic_set(&hdev->cmd_cnt, 1);
2649                 if (!skb_queue_empty(&hdev->cmd_q))
2650                         queue_work(hdev->workqueue, &hdev->cmd_work);
2651         }
2652 }
2653
2654 static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
2655 {
2656         struct hci_ev_cmd_status *ev = (void *) skb->data;
2657         __u16 opcode;
2658
2659         skb_pull(skb, sizeof(*ev));
2660
2661         opcode = __le16_to_cpu(ev->opcode);
2662
2663         switch (opcode) {
2664         case HCI_OP_INQUIRY:
2665                 hci_cs_inquiry(hdev, ev->status);
2666                 break;
2667
2668         case HCI_OP_CREATE_CONN:
2669                 hci_cs_create_conn(hdev, ev->status);
2670                 break;
2671
2672         case HCI_OP_ADD_SCO:
2673                 hci_cs_add_sco(hdev, ev->status);
2674                 break;
2675
2676         case HCI_OP_AUTH_REQUESTED:
2677                 hci_cs_auth_requested(hdev, ev->status);
2678                 break;
2679
2680         case HCI_OP_SET_CONN_ENCRYPT:
2681                 hci_cs_set_conn_encrypt(hdev, ev->status);
2682                 break;
2683
2684         case HCI_OP_REMOTE_NAME_REQ:
2685                 hci_cs_remote_name_req(hdev, ev->status);
2686                 break;
2687
2688         case HCI_OP_READ_REMOTE_FEATURES:
2689                 hci_cs_read_remote_features(hdev, ev->status);
2690                 break;
2691
2692         case HCI_OP_READ_REMOTE_EXT_FEATURES:
2693                 hci_cs_read_remote_ext_features(hdev, ev->status);
2694                 break;
2695
2696         case HCI_OP_SETUP_SYNC_CONN:
2697                 hci_cs_setup_sync_conn(hdev, ev->status);
2698                 break;
2699
2700         case HCI_OP_SNIFF_MODE:
2701                 hci_cs_sniff_mode(hdev, ev->status);
2702                 break;
2703
2704         case HCI_OP_EXIT_SNIFF_MODE:
2705                 hci_cs_exit_sniff_mode(hdev, ev->status);
2706                 break;
2707
2708         case HCI_OP_DISCONNECT:
2709                 hci_cs_disconnect(hdev, ev->status);
2710                 break;
2711
2712         case HCI_OP_LE_CREATE_CONN:
2713                 hci_cs_le_create_conn(hdev, ev->status);
2714                 break;
2715
2716         case HCI_OP_LE_START_ENC:
2717                 hci_cs_le_start_enc(hdev, ev->status);
2718                 break;
2719
2720         case HCI_OP_CREATE_PHY_LINK:
2721                 hci_cs_create_phylink(hdev, ev->status);
2722                 break;
2723
2724         case HCI_OP_ACCEPT_PHY_LINK:
2725                 hci_cs_accept_phylink(hdev, ev->status);
2726                 break;
2727
2728         case HCI_OP_CREATE_LOGICAL_LINK:
2729                 hci_cs_create_logical_link(hdev, ev->status);
2730                 break;
2731
2732         default:
2733                 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
2734                 break;
2735         }
2736
2737         if (ev->opcode != HCI_OP_NOP)
2738                 del_timer(&hdev->cmd_timer);
2739
2740         if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
2741                 atomic_set(&hdev->cmd_cnt, 1);
2742                 if (!skb_queue_empty(&hdev->cmd_q))
2743                         queue_work(hdev->workqueue, &hdev->cmd_work);
2744         }
2745 }
2746
2747 static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
2748 {
2749         struct hci_ev_role_change *ev = (void *) skb->data;
2750         struct hci_conn *conn;
2751
2752         BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
2753
2754         hci_dev_lock(hdev);
2755
2756         conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2757         if (conn) {
2758                 if (!ev->status) {
2759                         if (ev->role)
2760                                 conn->link_mode &= ~HCI_LM_MASTER;
2761                         else
2762                                 conn->link_mode |= HCI_LM_MASTER;
2763                 }
2764
2765                 clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
2766
2767                 hci_role_switch_cfm(conn, ev->status, ev->role);
2768         }
2769
2770         hci_dev_unlock(hdev);
2771 }
2772
2773 static void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb)
2774 {
2775         struct hci_ev_num_comp_pkts *ev = (void *) skb->data;
2776         int i;
2777
2778         if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) {
2779                 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
2780                 return;
2781         }
2782
2783         if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
2784             ev->num_hndl * sizeof(struct hci_comp_pkts_info)) {
2785                 BT_DBG("%s bad parameters", hdev->name);
2786                 return;
2787         }
2788
2789         BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl);
2790
2791         for (i = 0; i < ev->num_hndl; i++) {
2792                 struct hci_comp_pkts_info *info = &ev->handles[i];
2793                 struct hci_conn *conn;
2794                 __u16  handle, count;
2795
2796                 handle = __le16_to_cpu(info->handle);
2797                 count  = __le16_to_cpu(info->count);
2798
2799                 conn = hci_conn_hash_lookup_handle(hdev, handle);
2800                 if (!conn)
2801                         continue;
2802
2803                 conn->sent -= count;
2804
2805                 switch (conn->type) {
2806                 case ACL_LINK:
2807                         hdev->acl_cnt += count;
2808                         if (hdev->acl_cnt > hdev->acl_pkts)
2809                                 hdev->acl_cnt = hdev->acl_pkts;
2810                         break;
2811
2812                 case LE_LINK:
2813                         if (hdev->le_pkts) {
2814                                 hdev->le_cnt += count;
2815                                 if (hdev->le_cnt > hdev->le_pkts)
2816                                         hdev->le_cnt = hdev->le_pkts;
2817                         } else {
2818                                 hdev->acl_cnt += count;
2819                                 if (hdev->acl_cnt > hdev->acl_pkts)
2820                                         hdev->acl_cnt = hdev->acl_pkts;
2821                         }
2822                         break;
2823
2824                 case SCO_LINK:
2825                         hdev->sco_cnt += count;
2826                         if (hdev->sco_cnt > hdev->sco_pkts)
2827                                 hdev->sco_cnt = hdev->sco_pkts;
2828                         break;
2829
2830                 default:
2831                         BT_ERR("Unknown type %d conn %p", conn->type, conn);
2832                         break;
2833                 }
2834         }
2835
2836         queue_work(hdev->workqueue, &hdev->tx_work);
2837 }
2838
2839 static struct hci_conn *__hci_conn_lookup_handle(struct hci_dev *hdev,
2840                                                  __u16 handle)
2841 {
2842         struct hci_chan *chan;
2843
2844         switch (hdev->dev_type) {
2845         case HCI_BREDR:
2846                 return hci_conn_hash_lookup_handle(hdev, handle);
2847         case HCI_AMP:
2848                 chan = hci_chan_lookup_handle(hdev, handle);
2849                 if (chan)
2850                         return chan->conn;
2851                 break;
2852         default:
2853                 BT_ERR("%s unknown dev_type %d", hdev->name, hdev->dev_type);
2854                 break;
2855         }
2856
2857         return NULL;
2858 }
2859
2860 static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb)
2861 {
2862         struct hci_ev_num_comp_blocks *ev = (void *) skb->data;
2863         int i;
2864
2865         if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_BLOCK_BASED) {
2866                 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
2867                 return;
2868         }
2869
2870         if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
2871             ev->num_hndl * sizeof(struct hci_comp_blocks_info)) {
2872                 BT_DBG("%s bad parameters", hdev->name);
2873                 return;
2874         }
2875
2876         BT_DBG("%s num_blocks %d num_hndl %d", hdev->name, ev->num_blocks,
2877                ev->num_hndl);
2878
2879         for (i = 0; i < ev->num_hndl; i++) {
2880                 struct hci_comp_blocks_info *info = &ev->handles[i];
2881                 struct hci_conn *conn = NULL;
2882                 __u16  handle, block_count;
2883
2884                 handle = __le16_to_cpu(info->handle);
2885                 block_count = __le16_to_cpu(info->blocks);
2886
2887                 conn = __hci_conn_lookup_handle(hdev, handle);
2888                 if (!conn)
2889                         continue;
2890
2891                 conn->sent -= block_count;
2892
2893                 switch (conn->type) {
2894                 case ACL_LINK:
2895                 case AMP_LINK:
2896                         hdev->block_cnt += block_count;
2897                         if (hdev->block_cnt > hdev->num_blocks)
2898                                 hdev->block_cnt = hdev->num_blocks;
2899                         break;
2900
2901                 default:
2902                         BT_ERR("Unknown type %d conn %p", conn->type, conn);
2903                         break;
2904                 }
2905         }
2906
2907         queue_work(hdev->workqueue, &hdev->tx_work);
2908 }
2909
2910 static void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
2911 {
2912         struct hci_ev_mode_change *ev = (void *) skb->data;
2913         struct hci_conn *conn;
2914
2915         BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
2916
2917         hci_dev_lock(hdev);
2918
2919         conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2920         if (conn) {
2921                 conn->mode = ev->mode;
2922                 conn->interval = __le16_to_cpu(ev->interval);
2923
2924                 if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND,
2925                                         &conn->flags)) {
2926                         if (conn->mode == HCI_CM_ACTIVE)
2927                                 set_bit(HCI_CONN_POWER_SAVE, &conn->flags);
2928                         else
2929                                 clear_bit(HCI_CONN_POWER_SAVE, &conn->flags);
2930                 }
2931
2932                 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
2933                         hci_sco_setup(conn, ev->status);
2934         }
2935
2936         hci_dev_unlock(hdev);
2937 }
2938
2939 static void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
2940 {
2941         struct hci_ev_pin_code_req *ev = (void *) skb->data;
2942         struct hci_conn *conn;
2943
2944         BT_DBG("%s", hdev->name);
2945
2946         hci_dev_lock(hdev);
2947
2948         conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2949         if (!conn)
2950                 goto unlock;
2951
2952         if (conn->state == BT_CONNECTED) {
2953                 hci_conn_hold(conn);
2954                 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
2955                 hci_conn_put(conn);
2956         }
2957
2958         if (!test_bit(HCI_PAIRABLE, &hdev->dev_flags))
2959                 hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
2960                              sizeof(ev->bdaddr), &ev->bdaddr);
2961         else if (test_bit(HCI_MGMT, &hdev->dev_flags)) {
2962                 u8 secure;
2963
2964                 if (conn->pending_sec_level == BT_SECURITY_HIGH)
2965                         secure = 1;
2966                 else
2967                         secure = 0;
2968
2969                 mgmt_pin_code_request(hdev, &ev->bdaddr, secure);
2970         }
2971
2972 unlock:
2973         hci_dev_unlock(hdev);
2974 }
2975
2976 static void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
2977 {
2978         struct hci_ev_link_key_req *ev = (void *) skb->data;
2979         struct hci_cp_link_key_reply cp;
2980         struct hci_conn *conn;
2981         struct link_key *key;
2982
2983         BT_DBG("%s", hdev->name);
2984
2985         if (!test_bit(HCI_LINK_KEYS, &hdev->dev_flags))
2986                 return;
2987
2988         hci_dev_lock(hdev);
2989
2990         key = hci_find_link_key(hdev, &ev->bdaddr);
2991         if (!key) {
2992                 BT_DBG("%s link key not found for %pMR", hdev->name,
2993                        &ev->bdaddr);
2994                 goto not_found;
2995         }
2996
2997         BT_DBG("%s found key type %u for %pMR", hdev->name, key->type,
2998                &ev->bdaddr);
2999
3000         if (!test_bit(HCI_DEBUG_KEYS, &hdev->dev_flags) &&
3001             key->type == HCI_LK_DEBUG_COMBINATION) {
3002                 BT_DBG("%s ignoring debug key", hdev->name);
3003                 goto not_found;
3004         }
3005
3006         conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3007         if (conn) {
3008                 if (key->type == HCI_LK_UNAUTH_COMBINATION &&
3009                     conn->auth_type != 0xff && (conn->auth_type & 0x01)) {
3010                         BT_DBG("%s ignoring unauthenticated key", hdev->name);
3011                         goto not_found;
3012                 }
3013
3014                 if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 &&
3015                     conn->pending_sec_level == BT_SECURITY_HIGH) {
3016                         BT_DBG("%s ignoring key unauthenticated for high security",
3017                                hdev->name);
3018                         goto not_found;
3019                 }
3020
3021                 conn->key_type = key->type;
3022                 conn->pin_length = key->pin_len;
3023         }
3024
3025         bacpy(&cp.bdaddr, &ev->bdaddr);
3026         memcpy(cp.link_key, key->val, HCI_LINK_KEY_SIZE);
3027
3028         hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp);
3029
3030         hci_dev_unlock(hdev);
3031
3032         return;
3033
3034 not_found:
3035         hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr);
3036         hci_dev_unlock(hdev);
3037 }
3038
3039 static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
3040 {
3041         struct hci_ev_link_key_notify *ev = (void *) skb->data;
3042         struct hci_conn *conn;
3043         u8 pin_len = 0;
3044
3045         BT_DBG("%s", hdev->name);
3046
3047         hci_dev_lock(hdev);
3048
3049         conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3050         if (conn) {
3051                 hci_conn_hold(conn);
3052                 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
3053                 pin_len = conn->pin_length;
3054
3055                 if (ev->key_type != HCI_LK_CHANGED_COMBINATION)
3056                         conn->key_type = ev->key_type;
3057
3058                 hci_conn_put(conn);
3059         }
3060
3061         if (test_bit(HCI_LINK_KEYS, &hdev->dev_flags))
3062                 hci_add_link_key(hdev, conn, 1, &ev->bdaddr, ev->link_key,
3063                                  ev->key_type, pin_len);
3064
3065         hci_dev_unlock(hdev);
3066 }
3067
3068 static void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb)
3069 {
3070         struct hci_ev_clock_offset *ev = (void *) skb->data;
3071         struct hci_conn *conn;
3072
3073         BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
3074
3075         hci_dev_lock(hdev);
3076
3077         conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3078         if (conn && !ev->status) {
3079                 struct inquiry_entry *ie;
3080
3081                 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3082                 if (ie) {
3083                         ie->data.clock_offset = ev->clock_offset;
3084                         ie->timestamp = jiffies;
3085                 }
3086         }
3087
3088         hci_dev_unlock(hdev);
3089 }
3090
3091 static void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
3092 {
3093         struct hci_ev_pkt_type_change *ev = (void *) skb->data;
3094         struct hci_conn *conn;
3095
3096         BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
3097
3098         hci_dev_lock(hdev);
3099
3100         conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3101         if (conn && !ev->status)
3102                 conn->pkt_type = __le16_to_cpu(ev->pkt_type);
3103
3104         hci_dev_unlock(hdev);
3105 }
3106
3107 static void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb)
3108 {
3109         struct hci_ev_pscan_rep_mode *ev = (void *) skb->data;
3110         struct inquiry_entry *ie;
3111
3112         BT_DBG("%s", hdev->name);
3113
3114         hci_dev_lock(hdev);
3115
3116         ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
3117         if (ie) {
3118                 ie->data.pscan_rep_mode = ev->pscan_rep_mode;
3119                 ie->timestamp = jiffies;
3120         }
3121
3122         hci_dev_unlock(hdev);
3123 }
3124
3125 static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev,
3126                                              struct sk_buff *skb)
3127 {
3128         struct inquiry_data data;
3129         int num_rsp = *((__u8 *) skb->data);
3130         bool name_known, ssp;
3131
3132         BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
3133
3134         if (!num_rsp)
3135                 return;
3136
3137         if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
3138                 return;
3139
3140         hci_dev_lock(hdev);
3141
3142         if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) {
3143                 struct inquiry_info_with_rssi_and_pscan_mode *info;
3144                 info = (void *) (skb->data + 1);
3145
3146                 for (; num_rsp; num_rsp--, info++) {
3147                         bacpy(&data.bdaddr, &info->bdaddr);
3148                         data.pscan_rep_mode     = info->pscan_rep_mode;
3149                         data.pscan_period_mode  = info->pscan_period_mode;
3150                         data.pscan_mode         = info->pscan_mode;
3151                         memcpy(data.dev_class, info->dev_class, 3);
3152                         data.clock_offset       = info->clock_offset;
3153                         data.rssi               = info->rssi;
3154                         data.ssp_mode           = 0x00;
3155
3156                         name_known = hci_inquiry_cache_update(hdev, &data,
3157                                                               false, &ssp);
3158                         mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
3159                                           info->dev_class, info->rssi,
3160                                           !name_known, ssp, NULL, 0);
3161                 }
3162         } else {
3163                 struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
3164
3165                 for (; num_rsp; num_rsp--, info++) {
3166                         bacpy(&data.bdaddr, &info->bdaddr);
3167                         data.pscan_rep_mode     = info->pscan_rep_mode;
3168                         data.pscan_period_mode  = info->pscan_period_mode;
3169                         data.pscan_mode         = 0x00;
3170                         memcpy(data.dev_class, info->dev_class, 3);
3171                         data.clock_offset       = info->clock_offset;
3172                         data.rssi               = info->rssi;
3173                         data.ssp_mode           = 0x00;
3174                         name_known = hci_inquiry_cache_update(hdev, &data,
3175                                                               false, &ssp);
3176                         mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
3177                                           info->dev_class, info->rssi,
3178                                           !name_known, ssp, NULL, 0);
3179                 }
3180         }
3181
3182         hci_dev_unlock(hdev);
3183 }
3184
3185 static void hci_remote_ext_features_evt(struct hci_dev *hdev,
3186                                         struct sk_buff *skb)
3187 {
3188         struct hci_ev_remote_ext_features *ev = (void *) skb->data;
3189         struct hci_conn *conn;
3190
3191         BT_DBG("%s", hdev->name);
3192
3193         hci_dev_lock(hdev);
3194
3195         conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3196         if (!conn)
3197                 goto unlock;
3198
3199         if (!ev->status && ev->page == 0x01) {
3200                 struct inquiry_entry *ie;
3201
3202                 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3203                 if (ie)
3204                         ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
3205
3206                 if (ev->features[0] & LMP_HOST_SSP)
3207                         set_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
3208         }
3209
3210         if (conn->state != BT_CONFIG)
3211                 goto unlock;
3212
3213         if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
3214                 struct hci_cp_remote_name_req cp;
3215                 memset(&cp, 0, sizeof(cp));
3216                 bacpy(&cp.bdaddr, &conn->dst);
3217                 cp.pscan_rep_mode = 0x02;
3218                 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
3219         } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
3220                 mgmt_device_connected(hdev, &conn->dst, conn->type,
3221                                       conn->dst_type, 0, NULL, 0,
3222                                       conn->dev_class);
3223
3224         if (!hci_outgoing_auth_needed(hdev, conn)) {
3225                 conn->state = BT_CONNECTED;
3226                 hci_proto_connect_cfm(conn, ev->status);
3227                 hci_conn_put(conn);
3228         }
3229
3230 unlock:
3231         hci_dev_unlock(hdev);
3232 }
3233
3234 static void hci_sync_conn_complete_evt(struct hci_dev *hdev,
3235                                        struct sk_buff *skb)
3236 {
3237         struct hci_ev_sync_conn_complete *ev = (void *) skb->data;
3238         struct hci_conn *conn;
3239
3240         BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
3241
3242         hci_dev_lock(hdev);
3243
3244         conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
3245         if (!conn) {
3246                 if (ev->link_type == ESCO_LINK)
3247                         goto unlock;
3248
3249                 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
3250                 if (!conn)
3251                         goto unlock;
3252
3253                 conn->type = SCO_LINK;
3254         }
3255
3256         switch (ev->status) {
3257         case 0x00:
3258                 conn->handle = __le16_to_cpu(ev->handle);
3259                 conn->state  = BT_CONNECTED;
3260
3261                 hci_conn_hold_device(conn);
3262                 hci_conn_add_sysfs(conn);
3263                 break;
3264
3265         case 0x11:      /* Unsupported Feature or Parameter Value */
3266         case 0x1c:      /* SCO interval rejected */
3267         case 0x1a:      /* Unsupported Remote Feature */
3268         case 0x1f:      /* Unspecified error */
3269                 if (conn->out && conn->attempt < 2) {
3270                         conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
3271                                         (hdev->esco_type & EDR_ESCO_MASK);
3272                         hci_setup_sync(conn, conn->link->handle);
3273                         goto unlock;
3274                 }
3275                 /* fall through */
3276
3277         default:
3278                 conn->state = BT_CLOSED;
3279                 break;
3280         }
3281
3282         hci_proto_connect_cfm(conn, ev->status);
3283         if (ev->status)
3284                 hci_conn_del(conn);
3285
3286 unlock:
3287         hci_dev_unlock(hdev);
3288 }
3289
3290 static void hci_sync_conn_changed_evt(struct hci_dev *hdev, struct sk_buff *skb)
3291 {
3292         BT_DBG("%s", hdev->name);
3293 }
3294
3295 static void hci_sniff_subrate_evt(struct hci_dev *hdev, struct sk_buff *skb)
3296 {
3297         struct hci_ev_sniff_subrate *ev = (void *) skb->data;
3298
3299         BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
3300 }
3301
3302 static void hci_extended_inquiry_result_evt(struct hci_dev *hdev,
3303                                             struct sk_buff *skb)
3304 {
3305         struct inquiry_data data;
3306         struct extended_inquiry_info *info = (void *) (skb->data + 1);
3307         int num_rsp = *((__u8 *) skb->data);
3308         size_t eir_len;
3309
3310         BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
3311
3312         if (!num_rsp)
3313                 return;
3314
3315         if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
3316                 return;
3317
3318         hci_dev_lock(hdev);
3319
3320         for (; num_rsp; num_rsp--, info++) {
3321                 bool name_known, ssp;
3322
3323                 bacpy(&data.bdaddr, &info->bdaddr);
3324                 data.pscan_rep_mode     = info->pscan_rep_mode;
3325                 data.pscan_period_mode  = info->pscan_period_mode;
3326                 data.pscan_mode         = 0x00;
3327                 memcpy(data.dev_class, info->dev_class, 3);
3328                 data.clock_offset       = info->clock_offset;
3329                 data.rssi               = info->rssi;
3330                 data.ssp_mode           = 0x01;
3331
3332                 if (test_bit(HCI_MGMT, &hdev->dev_flags))
3333                         name_known = eir_has_data_type(info->data,
3334                                                        sizeof(info->data),
3335                                                        EIR_NAME_COMPLETE);
3336                 else
3337                         name_known = true;
3338
3339                 name_known = hci_inquiry_cache_update(hdev, &data, name_known,
3340                                                       &ssp);
3341                 eir_len = eir_get_length(info->data, sizeof(info->data));
3342                 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
3343                                   info->dev_class, info->rssi, !name_known,
3344                                   ssp, info->data, eir_len);
3345         }
3346
3347         hci_dev_unlock(hdev);
3348 }
3349
3350 static void hci_key_refresh_complete_evt(struct hci_dev *hdev,
3351                                          struct sk_buff *skb)
3352 {
3353         struct hci_ev_key_refresh_complete *ev = (void *) skb->data;
3354         struct hci_conn *conn;
3355
3356         BT_DBG("%s status 0x%2.2x handle 0x%4.4x", hdev->name, ev->status,
3357                __le16_to_cpu(ev->handle));
3358
3359         hci_dev_lock(hdev);
3360
3361         conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3362         if (!conn)
3363                 goto unlock;
3364
3365         if (!ev->status)
3366                 conn->sec_level = conn->pending_sec_level;
3367
3368         clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
3369
3370         if (ev->status && conn->state == BT_CONNECTED) {
3371                 hci_acl_disconn(conn, HCI_ERROR_AUTH_FAILURE);
3372                 hci_conn_put(conn);
3373                 goto unlock;
3374         }
3375
3376         if (conn->state == BT_CONFIG) {
3377                 if (!ev->status)
3378                         conn->state = BT_CONNECTED;
3379
3380                 hci_proto_connect_cfm(conn, ev->status);
3381                 hci_conn_put(conn);
3382         } else {
3383                 hci_auth_cfm(conn, ev->status);
3384
3385                 hci_conn_hold(conn);
3386                 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
3387                 hci_conn_put(conn);
3388         }
3389
3390 unlock:
3391         hci_dev_unlock(hdev);
3392 }
3393
3394 static u8 hci_get_auth_req(struct hci_conn *conn)
3395 {
3396         /* If remote requests dedicated bonding follow that lead */
3397         if (conn->remote_auth == 0x02 || conn->remote_auth == 0x03) {
3398                 /* If both remote and local IO capabilities allow MITM
3399                  * protection then require it, otherwise don't */
3400                 if (conn->remote_cap == 0x03 || conn->io_capability == 0x03)
3401                         return 0x02;
3402                 else
3403                         return 0x03;
3404         }
3405
3406         /* If remote requests no-bonding follow that lead */
3407         if (conn->remote_auth == 0x00 || conn->remote_auth == 0x01)
3408                 return conn->remote_auth | (conn->auth_type & 0x01);
3409
3410         return conn->auth_type;
3411 }
3412
3413 static void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
3414 {
3415         struct hci_ev_io_capa_request *ev = (void *) skb->data;
3416         struct hci_conn *conn;
3417
3418         BT_DBG("%s", hdev->name);
3419
3420         hci_dev_lock(hdev);
3421
3422         conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3423         if (!conn)
3424                 goto unlock;
3425
3426         hci_conn_hold(conn);
3427
3428         if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3429                 goto unlock;
3430
3431         if (test_bit(HCI_PAIRABLE, &hdev->dev_flags) ||
3432             (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) {
3433                 struct hci_cp_io_capability_reply cp;
3434
3435                 bacpy(&cp.bdaddr, &ev->bdaddr);
3436                 /* Change the IO capability from KeyboardDisplay
3437                  * to DisplayYesNo as it is not supported by BT spec. */
3438                 cp.capability = (conn->io_capability == 0x04) ?
3439                                                 0x01 : conn->io_capability;
3440                 conn->auth_type = hci_get_auth_req(conn);
3441                 cp.authentication = conn->auth_type;
3442
3443                 if (hci_find_remote_oob_data(hdev, &conn->dst) &&
3444                     (conn->out || test_bit(HCI_CONN_REMOTE_OOB, &conn->flags)))
3445                         cp.oob_data = 0x01;
3446                 else
3447                         cp.oob_data = 0x00;
3448
3449                 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY,
3450                              sizeof(cp), &cp);
3451         } else {
3452                 struct hci_cp_io_capability_neg_reply cp;
3453
3454                 bacpy(&cp.bdaddr, &ev->bdaddr);
3455                 cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED;
3456
3457                 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY,
3458                              sizeof(cp), &cp);
3459         }
3460
3461 unlock:
3462         hci_dev_unlock(hdev);
3463 }
3464
3465 static void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb)
3466 {
3467         struct hci_ev_io_capa_reply *ev = (void *) skb->data;
3468         struct hci_conn *conn;
3469
3470         BT_DBG("%s", hdev->name);
3471
3472         hci_dev_lock(hdev);
3473
3474         conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3475         if (!conn)
3476                 goto unlock;
3477
3478         conn->remote_cap = ev->capability;
3479         conn->remote_auth = ev->authentication;
3480         if (ev->oob_data)
3481                 set_bit(HCI_CONN_REMOTE_OOB, &conn->flags);
3482
3483 unlock:
3484         hci_dev_unlock(hdev);
3485 }
3486
3487 static void hci_user_confirm_request_evt(struct hci_dev *hdev,
3488                                          struct sk_buff *skb)
3489 {
3490         struct hci_ev_user_confirm_req *ev = (void *) skb->data;
3491         int loc_mitm, rem_mitm, confirm_hint = 0;
3492         struct hci_conn *conn;
3493
3494         BT_DBG("%s", hdev->name);
3495
3496         hci_dev_lock(hdev);
3497
3498         if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3499                 goto unlock;
3500
3501         conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3502         if (!conn)
3503                 goto unlock;
3504
3505         loc_mitm = (conn->auth_type & 0x01);
3506         rem_mitm = (conn->remote_auth & 0x01);
3507
3508         /* If we require MITM but the remote device can't provide that
3509          * (it has NoInputNoOutput) then reject the confirmation
3510          * request. The only exception is when we're dedicated bonding
3511          * initiators (connect_cfm_cb set) since then we always have the MITM
3512          * bit set. */
3513         if (!conn->connect_cfm_cb && loc_mitm && conn->remote_cap == 0x03) {
3514                 BT_DBG("Rejecting request: remote device can't provide MITM");
3515                 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY,
3516                              sizeof(ev->bdaddr), &ev->bdaddr);
3517                 goto unlock;
3518         }
3519
3520         /* If no side requires MITM protection; auto-accept */
3521         if ((!loc_mitm || conn->remote_cap == 0x03) &&
3522             (!rem_mitm || conn->io_capability == 0x03)) {
3523
3524                 /* If we're not the initiators request authorization to
3525                  * proceed from user space (mgmt_user_confirm with
3526                  * confirm_hint set to 1). */
3527                 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
3528                         BT_DBG("Confirming auto-accept as acceptor");
3529                         confirm_hint = 1;
3530                         goto confirm;
3531                 }
3532
3533                 BT_DBG("Auto-accept of user confirmation with %ums delay",
3534                        hdev->auto_accept_delay);
3535
3536                 if (hdev->auto_accept_delay > 0) {
3537                         int delay = msecs_to_jiffies(hdev->auto_accept_delay);
3538                         mod_timer(&conn->auto_accept_timer, jiffies + delay);
3539                         goto unlock;
3540                 }
3541
3542                 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY,
3543                              sizeof(ev->bdaddr), &ev->bdaddr);
3544                 goto unlock;
3545         }
3546
3547 confirm:
3548         mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0, ev->passkey,
3549                                   confirm_hint);
3550
3551 unlock:
3552         hci_dev_unlock(hdev);
3553 }
3554
3555 static void hci_user_passkey_request_evt(struct hci_dev *hdev,
3556                                          struct sk_buff *skb)
3557 {
3558         struct hci_ev_user_passkey_req *ev = (void *) skb->data;
3559
3560         BT_DBG("%s", hdev->name);
3561
3562         if (test_bit(HCI_MGMT, &hdev->dev_flags))
3563                 mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0);
3564 }
3565
3566 static void hci_user_passkey_notify_evt(struct hci_dev *hdev,
3567                                         struct sk_buff *skb)
3568 {
3569         struct hci_ev_user_passkey_notify *ev = (void *) skb->data;
3570         struct hci_conn *conn;
3571
3572         BT_DBG("%s", hdev->name);
3573
3574         conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3575         if (!conn)
3576                 return;
3577
3578         conn->passkey_notify = __le32_to_cpu(ev->passkey);
3579         conn->passkey_entered = 0;
3580
3581         if (test_bit(HCI_MGMT, &hdev->dev_flags))
3582                 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
3583                                          conn->dst_type, conn->passkey_notify,
3584                                          conn->passkey_entered);
3585 }
3586
3587 static void hci_keypress_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
3588 {
3589         struct hci_ev_keypress_notify *ev = (void *) skb->data;
3590         struct hci_conn *conn;
3591
3592         BT_DBG("%s", hdev->name);
3593
3594         conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3595         if (!conn)
3596                 return;
3597
3598         switch (ev->type) {
3599         case HCI_KEYPRESS_STARTED:
3600                 conn->passkey_entered = 0;
3601                 return;
3602
3603         case HCI_KEYPRESS_ENTERED:
3604                 conn->passkey_entered++;
3605                 break;
3606
3607         case HCI_KEYPRESS_ERASED:
3608                 conn->passkey_entered--;
3609                 break;
3610
3611         case HCI_KEYPRESS_CLEARED:
3612                 conn->passkey_entered = 0;
3613                 break;
3614
3615         case HCI_KEYPRESS_COMPLETED:
3616                 return;
3617         }
3618
3619         if (test_bit(HCI_MGMT, &hdev->dev_flags))
3620                 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
3621                                          conn->dst_type, conn->passkey_notify,
3622                                          conn->passkey_entered);
3623 }
3624
3625 static void hci_simple_pair_complete_evt(struct hci_dev *hdev,
3626                                          struct sk_buff *skb)
3627 {
3628         struct hci_ev_simple_pair_complete *ev = (void *) skb->data;
3629         struct hci_conn *conn;
3630
3631         BT_DBG("%s", hdev->name);
3632
3633         hci_dev_lock(hdev);
3634
3635         conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3636         if (!conn)
3637                 goto unlock;
3638
3639         /* To avoid duplicate auth_failed events to user space we check
3640          * the HCI_CONN_AUTH_PEND flag which will be set if we
3641          * initiated the authentication. A traditional auth_complete
3642          * event gets always produced as initiator and is also mapped to
3643          * the mgmt_auth_failed event */
3644         if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && ev->status)
3645                 mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type,
3646                                  ev->status);
3647
3648         hci_conn_put(conn);
3649
3650 unlock:
3651         hci_dev_unlock(hdev);
3652 }
3653
3654 static void hci_remote_host_features_evt(struct hci_dev *hdev,
3655                                          struct sk_buff *skb)
3656 {
3657         struct hci_ev_remote_host_features *ev = (void *) skb->data;
3658         struct inquiry_entry *ie;
3659
3660         BT_DBG("%s", hdev->name);
3661
3662         hci_dev_lock(hdev);
3663
3664         ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
3665         if (ie)
3666                 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
3667
3668         hci_dev_unlock(hdev);
3669 }
3670
3671 static void hci_remote_oob_data_request_evt(struct hci_dev *hdev,
3672                                             struct sk_buff *skb)
3673 {
3674         struct hci_ev_remote_oob_data_request *ev = (void *) skb->data;
3675         struct oob_data *data;
3676
3677         BT_DBG("%s", hdev->name);
3678
3679         hci_dev_lock(hdev);
3680
3681         if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3682                 goto unlock;
3683
3684         data = hci_find_remote_oob_data(hdev, &ev->bdaddr);
3685         if (data) {
3686                 struct hci_cp_remote_oob_data_reply cp;
3687
3688                 bacpy(&cp.bdaddr, &ev->bdaddr);
3689                 memcpy(cp.hash, data->hash, sizeof(cp.hash));
3690                 memcpy(cp.randomizer, data->randomizer, sizeof(cp.randomizer));
3691
3692                 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY, sizeof(cp),
3693                              &cp);
3694         } else {
3695                 struct hci_cp_remote_oob_data_neg_reply cp;
3696
3697                 bacpy(&cp.bdaddr, &ev->bdaddr);
3698                 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY, sizeof(cp),
3699                              &cp);
3700         }
3701
3702 unlock:
3703         hci_dev_unlock(hdev);
3704 }
3705
3706 static void hci_phy_link_complete_evt(struct hci_dev *hdev,
3707                                       struct sk_buff *skb)
3708 {
3709         struct hci_ev_phy_link_complete *ev = (void *) skb->data;
3710         struct hci_conn *hcon, *bredr_hcon;
3711
3712         BT_DBG("%s handle 0x%2.2x status 0x%2.2x", hdev->name, ev->phy_handle,
3713                ev->status);
3714
3715         hci_dev_lock(hdev);
3716
3717         hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
3718         if (!hcon) {
3719                 hci_dev_unlock(hdev);
3720                 return;
3721         }
3722
3723         if (ev->status) {
3724                 hci_conn_del(hcon);
3725                 hci_dev_unlock(hdev);
3726                 return;
3727         }
3728
3729         bredr_hcon = hcon->amp_mgr->l2cap_conn->hcon;
3730
3731         hcon->state = BT_CONNECTED;
3732         bacpy(&hcon->dst, &bredr_hcon->dst);
3733
3734         hci_conn_hold(hcon);
3735         hcon->disc_timeout = HCI_DISCONN_TIMEOUT;
3736         hci_conn_put(hcon);
3737
3738         hci_conn_hold_device(hcon);
3739         hci_conn_add_sysfs(hcon);
3740
3741         amp_physical_cfm(bredr_hcon, hcon);
3742
3743         hci_dev_unlock(hdev);
3744 }
3745
3746 static void hci_loglink_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
3747 {
3748         struct hci_ev_logical_link_complete *ev = (void *) skb->data;
3749         struct hci_conn *hcon;
3750         struct hci_chan *hchan;
3751         struct amp_mgr *mgr;
3752
3753         BT_DBG("%s log_handle 0x%4.4x phy_handle 0x%2.2x status 0x%2.2x",
3754                hdev->name, le16_to_cpu(ev->handle), ev->phy_handle,
3755                ev->status);
3756
3757         hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
3758         if (!hcon)
3759                 return;
3760
3761         /* Create AMP hchan */
3762         hchan = hci_chan_create(hcon);
3763         if (!hchan)
3764                 return;
3765
3766         hchan->handle = le16_to_cpu(ev->handle);
3767
3768         BT_DBG("hcon %p mgr %p hchan %p", hcon, hcon->amp_mgr, hchan);
3769
3770         mgr = hcon->amp_mgr;
3771         if (mgr && mgr->bredr_chan) {
3772                 struct l2cap_chan *bredr_chan = mgr->bredr_chan;
3773
3774                 l2cap_chan_lock(bredr_chan);
3775
3776                 bredr_chan->conn->mtu = hdev->block_mtu;
3777                 l2cap_logical_cfm(bredr_chan, hchan, 0);
3778                 hci_conn_hold(hcon);
3779
3780                 l2cap_chan_unlock(bredr_chan);
3781         }
3782 }
3783
3784 static void hci_disconn_loglink_complete_evt(struct hci_dev *hdev,
3785                                              struct sk_buff *skb)
3786 {
3787         struct hci_ev_disconn_logical_link_complete *ev = (void *) skb->data;
3788         struct hci_chan *hchan;
3789
3790         BT_DBG("%s log handle 0x%4.4x status 0x%2.2x", hdev->name,
3791                le16_to_cpu(ev->handle), ev->status);
3792
3793         if (ev->status)
3794                 return;
3795
3796         hci_dev_lock(hdev);
3797
3798         hchan = hci_chan_lookup_handle(hdev, le16_to_cpu(ev->handle));
3799         if (!hchan)
3800                 goto unlock;
3801
3802         amp_destroy_logical_link(hchan, ev->reason);
3803
3804 unlock:
3805         hci_dev_unlock(hdev);
3806 }
3807
3808 static void hci_disconn_phylink_complete_evt(struct hci_dev *hdev,
3809                                              struct sk_buff *skb)
3810 {
3811         struct hci_ev_disconn_phy_link_complete *ev = (void *) skb->data;
3812         struct hci_conn *hcon;
3813
3814         BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
3815
3816         if (ev->status)
3817                 return;
3818
3819         hci_dev_lock(hdev);
3820
3821         hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
3822         if (hcon) {
3823                 hcon->state = BT_CLOSED;
3824                 hci_conn_del(hcon);
3825         }
3826
3827         hci_dev_unlock(hdev);
3828 }
3829
3830 static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
3831 {
3832         struct hci_ev_le_conn_complete *ev = (void *) skb->data;
3833         struct hci_conn *conn;
3834
3835         BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
3836
3837         hci_dev_lock(hdev);
3838
3839         conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
3840         if (!conn) {
3841                 conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr);
3842                 if (!conn) {
3843                         BT_ERR("No memory for new connection");
3844                         goto unlock;
3845                 }
3846
3847                 conn->dst_type = ev->bdaddr_type;
3848
3849                 if (ev->role == LE_CONN_ROLE_MASTER) {
3850                         conn->out = true;
3851                         conn->link_mode |= HCI_LM_MASTER;
3852                 }
3853         }
3854
3855         if (ev->status) {
3856                 mgmt_connect_failed(hdev, &conn->dst, conn->type,
3857                                     conn->dst_type, ev->status);
3858                 hci_proto_connect_cfm(conn, ev->status);
3859                 conn->state = BT_CLOSED;
3860                 hci_conn_del(conn);
3861                 goto unlock;
3862         }
3863
3864         if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
3865                 mgmt_device_connected(hdev, &ev->bdaddr, conn->type,
3866                                       conn->dst_type, 0, NULL, 0, NULL);
3867
3868         conn->sec_level = BT_SECURITY_LOW;
3869         conn->handle = __le16_to_cpu(ev->handle);
3870         conn->state = BT_CONNECTED;
3871
3872         hci_conn_hold_device(conn);
3873         hci_conn_add_sysfs(conn);
3874
3875         hci_proto_connect_cfm(conn, ev->status);
3876
3877 unlock:
3878         hci_dev_unlock(hdev);
3879 }
3880
3881 static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb)
3882 {
3883         u8 num_reports = skb->data[0];
3884         void *ptr = &skb->data[1];
3885         s8 rssi;
3886
3887         hci_dev_lock(hdev);
3888
3889         while (num_reports--) {
3890                 struct hci_ev_le_advertising_info *ev = ptr;
3891
3892                 rssi = ev->data[ev->length];
3893                 mgmt_device_found(hdev, &ev->bdaddr, LE_LINK, ev->bdaddr_type,
3894                                   NULL, rssi, 0, 1, ev->data, ev->length);
3895
3896                 ptr += sizeof(*ev) + ev->length + 1;
3897         }
3898
3899         hci_dev_unlock(hdev);
3900 }
3901
3902 static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
3903 {
3904         struct hci_ev_le_ltk_req *ev = (void *) skb->data;
3905         struct hci_cp_le_ltk_reply cp;
3906         struct hci_cp_le_ltk_neg_reply neg;
3907         struct hci_conn *conn;
3908         struct smp_ltk *ltk;
3909
3910         BT_DBG("%s handle 0x%4.4x", hdev->name, __le16_to_cpu(ev->handle));
3911
3912         hci_dev_lock(hdev);
3913
3914         conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3915         if (conn == NULL)
3916                 goto not_found;
3917
3918         ltk = hci_find_ltk(hdev, ev->ediv, ev->random);
3919         if (ltk == NULL)
3920                 goto not_found;
3921
3922         memcpy(cp.ltk, ltk->val, sizeof(ltk->val));
3923         cp.handle = cpu_to_le16(conn->handle);
3924
3925         if (ltk->authenticated)
3926                 conn->sec_level = BT_SECURITY_HIGH;
3927
3928         hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);
3929
3930         if (ltk->type & HCI_SMP_STK) {
3931                 list_del(&ltk->list);
3932                 kfree(ltk);
3933         }
3934
3935         hci_dev_unlock(hdev);
3936
3937         return;
3938
3939 not_found:
3940         neg.handle = ev->handle;
3941         hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg);
3942         hci_dev_unlock(hdev);
3943 }
3944
3945 static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
3946 {
3947         struct hci_ev_le_meta *le_ev = (void *) skb->data;
3948
3949         skb_pull(skb, sizeof(*le_ev));
3950
3951         switch (le_ev->subevent) {
3952         case HCI_EV_LE_CONN_COMPLETE:
3953                 hci_le_conn_complete_evt(hdev, skb);
3954                 break;
3955
3956         case HCI_EV_LE_ADVERTISING_REPORT:
3957                 hci_le_adv_report_evt(hdev, skb);
3958                 break;
3959
3960         case HCI_EV_LE_LTK_REQ:
3961                 hci_le_ltk_request_evt(hdev, skb);
3962                 break;
3963
3964         default:
3965                 break;
3966         }
3967 }
3968
3969 static void hci_chan_selected_evt(struct hci_dev *hdev, struct sk_buff *skb)
3970 {
3971         struct hci_ev_channel_selected *ev = (void *) skb->data;
3972         struct hci_conn *hcon;
3973
3974         BT_DBG("%s handle 0x%2.2x", hdev->name, ev->phy_handle);
3975
3976         skb_pull(skb, sizeof(*ev));
3977
3978         hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
3979         if (!hcon)
3980                 return;
3981
3982         amp_read_loc_assoc_final_data(hdev, hcon);
3983 }
3984
3985 void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
3986 {
3987         struct hci_event_hdr *hdr = (void *) skb->data;
3988         __u8 event = hdr->evt;
3989
3990         skb_pull(skb, HCI_EVENT_HDR_SIZE);
3991
3992         switch (event) {
3993         case HCI_EV_INQUIRY_COMPLETE:
3994                 hci_inquiry_complete_evt(hdev, skb);
3995                 break;
3996
3997         case HCI_EV_INQUIRY_RESULT:
3998                 hci_inquiry_result_evt(hdev, skb);
3999                 break;
4000
4001         case HCI_EV_CONN_COMPLETE:
4002                 hci_conn_complete_evt(hdev, skb);
4003                 break;
4004
4005         case HCI_EV_CONN_REQUEST:
4006                 hci_conn_request_evt(hdev, skb);
4007                 break;
4008
4009         case HCI_EV_DISCONN_COMPLETE:
4010                 hci_disconn_complete_evt(hdev, skb);
4011                 break;
4012
4013         case HCI_EV_AUTH_COMPLETE:
4014                 hci_auth_complete_evt(hdev, skb);
4015                 break;
4016
4017         case HCI_EV_REMOTE_NAME:
4018                 hci_remote_name_evt(hdev, skb);
4019                 break;
4020
4021         case HCI_EV_ENCRYPT_CHANGE:
4022                 hci_encrypt_change_evt(hdev, skb);
4023                 break;
4024
4025         case HCI_EV_CHANGE_LINK_KEY_COMPLETE:
4026                 hci_change_link_key_complete_evt(hdev, skb);
4027                 break;
4028
4029         case HCI_EV_REMOTE_FEATURES:
4030                 hci_remote_features_evt(hdev, skb);
4031                 break;
4032
4033         case HCI_EV_REMOTE_VERSION:
4034                 hci_remote_version_evt(hdev, skb);
4035                 break;
4036
4037         case HCI_EV_QOS_SETUP_COMPLETE:
4038                 hci_qos_setup_complete_evt(hdev, skb);
4039                 break;
4040
4041         case HCI_EV_CMD_COMPLETE:
4042                 hci_cmd_complete_evt(hdev, skb);
4043                 break;
4044
4045         case HCI_EV_CMD_STATUS:
4046                 hci_cmd_status_evt(hdev, skb);
4047                 break;
4048
4049         case HCI_EV_ROLE_CHANGE:
4050                 hci_role_change_evt(hdev, skb);
4051                 break;
4052
4053         case HCI_EV_NUM_COMP_PKTS:
4054                 hci_num_comp_pkts_evt(hdev, skb);
4055                 break;
4056
4057         case HCI_EV_MODE_CHANGE:
4058                 hci_mode_change_evt(hdev, skb);
4059                 break;
4060
4061         case HCI_EV_PIN_CODE_REQ:
4062                 hci_pin_code_request_evt(hdev, skb);
4063                 break;
4064
4065         case HCI_EV_LINK_KEY_REQ:
4066                 hci_link_key_request_evt(hdev, skb);
4067                 break;
4068
4069         case HCI_EV_LINK_KEY_NOTIFY:
4070                 hci_link_key_notify_evt(hdev, skb);
4071                 break;
4072
4073         case HCI_EV_CLOCK_OFFSET:
4074                 hci_clock_offset_evt(hdev, skb);
4075                 break;
4076
4077         case HCI_EV_PKT_TYPE_CHANGE:
4078                 hci_pkt_type_change_evt(hdev, skb);
4079                 break;
4080
4081         case HCI_EV_PSCAN_REP_MODE:
4082                 hci_pscan_rep_mode_evt(hdev, skb);
4083                 break;
4084
4085         case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
4086                 hci_inquiry_result_with_rssi_evt(hdev, skb);
4087                 break;
4088
4089         case HCI_EV_REMOTE_EXT_FEATURES:
4090                 hci_remote_ext_features_evt(hdev, skb);
4091                 break;
4092
4093         case HCI_EV_SYNC_CONN_COMPLETE:
4094                 hci_sync_conn_complete_evt(hdev, skb);
4095                 break;
4096
4097         case HCI_EV_SYNC_CONN_CHANGED:
4098                 hci_sync_conn_changed_evt(hdev, skb);
4099                 break;
4100
4101         case HCI_EV_SNIFF_SUBRATE:
4102                 hci_sniff_subrate_evt(hdev, skb);
4103                 break;
4104
4105         case HCI_EV_EXTENDED_INQUIRY_RESULT:
4106                 hci_extended_inquiry_result_evt(hdev, skb);
4107                 break;
4108
4109         case HCI_EV_KEY_REFRESH_COMPLETE:
4110                 hci_key_refresh_complete_evt(hdev, skb);
4111                 break;
4112
4113         case HCI_EV_IO_CAPA_REQUEST:
4114                 hci_io_capa_request_evt(hdev, skb);
4115                 break;
4116
4117         case HCI_EV_IO_CAPA_REPLY:
4118                 hci_io_capa_reply_evt(hdev, skb);
4119                 break;
4120
4121         case HCI_EV_USER_CONFIRM_REQUEST:
4122                 hci_user_confirm_request_evt(hdev, skb);
4123                 break;
4124
4125         case HCI_EV_USER_PASSKEY_REQUEST:
4126                 hci_user_passkey_request_evt(hdev, skb);
4127                 break;
4128
4129         case HCI_EV_USER_PASSKEY_NOTIFY:
4130                 hci_user_passkey_notify_evt(hdev, skb);
4131                 break;
4132
4133         case HCI_EV_KEYPRESS_NOTIFY:
4134                 hci_keypress_notify_evt(hdev, skb);
4135                 break;
4136
4137         case HCI_EV_SIMPLE_PAIR_COMPLETE:
4138                 hci_simple_pair_complete_evt(hdev, skb);
4139                 break;
4140
4141         case HCI_EV_REMOTE_HOST_FEATURES:
4142                 hci_remote_host_features_evt(hdev, skb);
4143                 break;
4144
4145         case HCI_EV_LE_META:
4146                 hci_le_meta_evt(hdev, skb);
4147                 break;
4148
4149         case HCI_EV_CHANNEL_SELECTED:
4150                 hci_chan_selected_evt(hdev, skb);
4151                 break;
4152
4153         case HCI_EV_REMOTE_OOB_DATA_REQUEST:
4154                 hci_remote_oob_data_request_evt(hdev, skb);
4155                 break;
4156
4157         case HCI_EV_PHY_LINK_COMPLETE:
4158                 hci_phy_link_complete_evt(hdev, skb);
4159                 break;
4160
4161         case HCI_EV_LOGICAL_LINK_COMPLETE:
4162                 hci_loglink_complete_evt(hdev, skb);
4163                 break;
4164
4165         case HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE:
4166                 hci_disconn_loglink_complete_evt(hdev, skb);
4167                 break;
4168
4169         case HCI_EV_DISCONN_PHY_LINK_COMPLETE:
4170                 hci_disconn_phylink_complete_evt(hdev, skb);
4171                 break;
4172
4173         case HCI_EV_NUM_COMP_BLOCKS:
4174                 hci_num_comp_blocks_evt(hdev, skb);
4175                 break;
4176
4177         default:
4178                 BT_DBG("%s event 0x%2.2x", hdev->name, event);
4179                 break;
4180         }
4181
4182         kfree_skb(skb);
4183         hdev->stat.evt_rx++;
4184 }