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YOSHIFUJI Hideaki8e87d142007-02-09 23:24:33 +09001/*
Linus Torvalds1da177e2005-04-16 15:20:36 -07002 BlueZ - Bluetooth protocol stack for Linux
Ron Shaffer2d0a0342010-05-28 11:53:46 -04003 Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved.
Linus Torvalds1da177e2005-04-16 15:20:36 -07004
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
YOSHIFUJI Hideaki8e87d142007-02-09 23:24:33 +090015 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
Linus Torvalds1da177e2005-04-16 15:20:36 -070018 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19
YOSHIFUJI Hideaki8e87d142007-02-09 23:24:33 +090020 ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
21 COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
Linus Torvalds1da177e2005-04-16 15:20:36 -070022 SOFTWARE IS DISCLAIMED.
23*/
24
25/* Bluetooth HCI event handling. */
26
Linus Torvalds1da177e2005-04-16 15:20:36 -070027#include <asm/unaligned.h>
28
29#include <net/bluetooth/bluetooth.h>
30#include <net/bluetooth/hci_core.h>
Mikel Astizf0d6a0e2012-08-09 09:52:30 +020031#include <net/bluetooth/mgmt.h>
Marcel Holtmann7ef9fbf2013-10-10 14:54:14 -070032
Johan Hedberg0857dd32014-12-19 13:40:20 +020033#include "hci_request.h"
Marcel Holtmann23b9ceb2014-12-20 17:13:41 +010034#include "hci_debugfs.h"
Marcel Holtmann70247282013-10-10 14:54:15 -070035#include "a2mp.h"
Marcel Holtmann7ef9fbf2013-10-10 14:54:14 -070036#include "amp.h"
Johan Hedberg2ceba532014-06-16 19:25:16 +030037#include "smp.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -070038
Marcel Holtmannaa5b0342015-01-27 16:04:33 -080039#define ZERO_KEY "\x00\x00\x00\x00\x00\x00\x00\x00" \
40 "\x00\x00\x00\x00\x00\x00\x00\x00"
41
Linus Torvalds1da177e2005-04-16 15:20:36 -070042/* Handle HCI Event packets */
43
Marcel Holtmanna9de9242007-10-20 13:33:56 +020044static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)
Linus Torvalds1da177e2005-04-16 15:20:36 -070045{
Marcel Holtmanna9de9242007-10-20 13:33:56 +020046 __u8 status = *((__u8 *) skb->data);
Linus Torvalds1da177e2005-04-16 15:20:36 -070047
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +030048 BT_DBG("%s status 0x%2.2x", hdev->name, status);
Linus Torvalds1da177e2005-04-16 15:20:36 -070049
Andre Guedes82f47852013-04-30 15:29:34 -030050 if (status)
Marcel Holtmanna9de9242007-10-20 13:33:56 +020051 return;
Linus Torvalds1da177e2005-04-16 15:20:36 -070052
Andre Guedes89352e72011-11-04 14:16:53 -030053 clear_bit(HCI_INQUIRY, &hdev->flags);
Peter Zijlstra4e857c52014-03-17 18:06:10 +010054 smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */
Andre Guedes3e13fa12013-03-27 20:04:56 -030055 wake_up_bit(&hdev->flags, HCI_INQUIRY);
Andre Guedes89352e72011-11-04 14:16:53 -030056
Johan Hedberg50143a42014-06-10 14:05:57 +030057 hci_dev_lock(hdev);
Jakub Pawlowski168b8a22015-10-16 10:07:49 +030058 /* Set discovery state to stopped if we're not doing LE active
59 * scanning.
60 */
61 if (!hci_dev_test_flag(hdev, HCI_LE_SCAN) ||
62 hdev->le_scan_type != LE_SCAN_ACTIVE)
63 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
Johan Hedberg50143a42014-06-10 14:05:57 +030064 hci_dev_unlock(hdev);
65
Marcel Holtmanna9de9242007-10-20 13:33:56 +020066 hci_conn_check_pending(hdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -070067}
68
Andre Guedes4d934832012-03-21 00:03:35 -030069static void hci_cc_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
70{
71 __u8 status = *((__u8 *) skb->data);
72
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +030073 BT_DBG("%s status 0x%2.2x", hdev->name, status);
Andre Guedesae854a72012-03-21 00:03:36 -030074
75 if (status)
76 return;
77
Marcel Holtmanna1536da2015-03-13 02:11:01 -070078 hci_dev_set_flag(hdev, HCI_PERIODIC_INQ);
Andre Guedes4d934832012-03-21 00:03:35 -030079}
80
Marcel Holtmanna9de9242007-10-20 13:33:56 +020081static void hci_cc_exit_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
Linus Torvalds1da177e2005-04-16 15:20:36 -070082{
Marcel Holtmanna9de9242007-10-20 13:33:56 +020083 __u8 status = *((__u8 *) skb->data);
84
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +030085 BT_DBG("%s status 0x%2.2x", hdev->name, status);
Marcel Holtmanna9de9242007-10-20 13:33:56 +020086
87 if (status)
88 return;
89
Marcel Holtmanna358dc12015-03-13 02:11:02 -070090 hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ);
Andre Guedesae854a72012-03-21 00:03:36 -030091
Marcel Holtmanna9de9242007-10-20 13:33:56 +020092 hci_conn_check_pending(hdev);
93}
94
Gustavo Padovan807deac2012-05-17 00:36:24 -030095static void hci_cc_remote_name_req_cancel(struct hci_dev *hdev,
96 struct sk_buff *skb)
Marcel Holtmanna9de9242007-10-20 13:33:56 +020097{
98 BT_DBG("%s", hdev->name);
99}
100
101static void hci_cc_role_discovery(struct hci_dev *hdev, struct sk_buff *skb)
102{
103 struct hci_rp_role_discovery *rp = (void *) skb->data;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700104 struct hci_conn *conn;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700105
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +0300106 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700107
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200108 if (rp->status)
109 return;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700110
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200111 hci_dev_lock(hdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700112
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200113 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
Johan Hedberg40bef302014-07-16 11:42:27 +0300114 if (conn)
115 conn->role = rp->role;
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200116
117 hci_dev_unlock(hdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700118}
119
Marcel Holtmanne4e8e372008-07-14 20:13:47 +0200120static void hci_cc_read_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
121{
122 struct hci_rp_read_link_policy *rp = (void *) skb->data;
123 struct hci_conn *conn;
124
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +0300125 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
Marcel Holtmanne4e8e372008-07-14 20:13:47 +0200126
127 if (rp->status)
128 return;
129
130 hci_dev_lock(hdev);
131
132 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
133 if (conn)
134 conn->link_policy = __le16_to_cpu(rp->policy);
135
136 hci_dev_unlock(hdev);
137}
138
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200139static void hci_cc_write_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700140{
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200141 struct hci_rp_write_link_policy *rp = (void *) skb->data;
142 struct hci_conn *conn;
143 void *sent;
144
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +0300145 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200146
147 if (rp->status)
148 return;
149
150 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LINK_POLICY);
151 if (!sent)
152 return;
153
154 hci_dev_lock(hdev);
155
156 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
Marcel Holtmanne4e8e372008-07-14 20:13:47 +0200157 if (conn)
Harvey Harrison83985312008-05-02 16:25:46 -0700158 conn->link_policy = get_unaligned_le16(sent + 2);
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200159
160 hci_dev_unlock(hdev);
161}
162
Gustavo Padovan807deac2012-05-17 00:36:24 -0300163static void hci_cc_read_def_link_policy(struct hci_dev *hdev,
164 struct sk_buff *skb)
Marcel Holtmanne4e8e372008-07-14 20:13:47 +0200165{
166 struct hci_rp_read_def_link_policy *rp = (void *) skb->data;
167
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +0300168 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
Marcel Holtmanne4e8e372008-07-14 20:13:47 +0200169
170 if (rp->status)
171 return;
172
173 hdev->link_policy = __le16_to_cpu(rp->policy);
174}
175
Gustavo Padovan807deac2012-05-17 00:36:24 -0300176static void hci_cc_write_def_link_policy(struct hci_dev *hdev,
177 struct sk_buff *skb)
Marcel Holtmanne4e8e372008-07-14 20:13:47 +0200178{
179 __u8 status = *((__u8 *) skb->data);
180 void *sent;
181
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +0300182 BT_DBG("%s status 0x%2.2x", hdev->name, status);
Marcel Holtmanne4e8e372008-07-14 20:13:47 +0200183
Marcel Holtmann45296ac2014-07-05 10:48:01 +0200184 if (status)
185 return;
186
Marcel Holtmanne4e8e372008-07-14 20:13:47 +0200187 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_DEF_LINK_POLICY);
188 if (!sent)
189 return;
190
Marcel Holtmann45296ac2014-07-05 10:48:01 +0200191 hdev->link_policy = get_unaligned_le16(sent);
Marcel Holtmanne4e8e372008-07-14 20:13:47 +0200192}
193
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200194static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb)
195{
196 __u8 status = *((__u8 *) skb->data);
197
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +0300198 BT_DBG("%s status 0x%2.2x", hdev->name, status);
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200199
Gustavo F. Padovan10572132011-03-16 15:36:29 -0300200 clear_bit(HCI_RESET, &hdev->flags);
201
Marcel Holtmann8761f9d2014-11-02 02:45:58 +0100202 if (status)
203 return;
204
Johan Hedberga297e972012-02-21 17:55:47 +0200205 /* Reset all non-persistent flags */
Marcel Holtmanneacb44d2015-03-13 09:04:17 -0700206 hci_dev_clear_volatile_flags(hdev);
Andre Guedes69775ff2012-02-23 16:50:05 +0200207
Johan Hedberg39c5d972015-01-28 19:56:01 +0200208 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
209
Johan Hedbergbbaf4442012-11-08 01:22:59 +0100210 hdev->inq_tx_power = HCI_TX_POWER_INVALID;
211 hdev->adv_tx_power = HCI_TX_POWER_INVALID;
Johan Hedberg3f0f5242012-11-08 01:23:00 +0100212
213 memset(hdev->adv_data, 0, sizeof(hdev->adv_data));
214 hdev->adv_data_len = 0;
Marcel Holtmannf8e808b2013-10-16 00:16:47 -0700215
216 memset(hdev->scan_rsp_data, 0, sizeof(hdev->scan_rsp_data));
217 hdev->scan_rsp_data_len = 0;
Marcel Holtmann06f5b772013-10-19 07:09:11 -0700218
Marcel Holtmann533553f2014-03-21 12:18:10 -0700219 hdev->le_scan_type = LE_SCAN_PASSIVE;
220
Marcel Holtmann06f5b772013-10-19 07:09:11 -0700221 hdev->ssp_debug_mode = 0;
Marcel Holtmanna4d55042014-10-29 23:37:53 +0100222
223 hci_bdaddr_list_clear(&hdev->le_white_list);
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200224}
225
Marcel Holtmannc2f0f972015-01-12 09:21:25 -0800226static void hci_cc_read_stored_link_key(struct hci_dev *hdev,
227 struct sk_buff *skb)
228{
229 struct hci_rp_read_stored_link_key *rp = (void *)skb->data;
230 struct hci_cp_read_stored_link_key *sent;
231
232 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
233
234 sent = hci_sent_cmd_data(hdev, HCI_OP_READ_STORED_LINK_KEY);
235 if (!sent)
236 return;
237
238 if (!rp->status && sent->read_all == 0x01) {
239 hdev->stored_max_keys = rp->max_keys;
240 hdev->stored_num_keys = rp->num_keys;
241 }
242}
243
Marcel Holtmanna9366122015-01-12 09:21:28 -0800244static void hci_cc_delete_stored_link_key(struct hci_dev *hdev,
245 struct sk_buff *skb)
246{
247 struct hci_rp_delete_stored_link_key *rp = (void *)skb->data;
248
249 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
250
251 if (rp->status)
252 return;
253
254 if (rp->num_keys <= hdev->stored_num_keys)
255 hdev->stored_num_keys -= rp->num_keys;
256 else
257 hdev->stored_num_keys = 0;
258}
259
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200260static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb)
261{
262 __u8 status = *((__u8 *) skb->data);
263 void *sent;
264
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +0300265 BT_DBG("%s status 0x%2.2x", hdev->name, status);
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200266
267 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME);
268 if (!sent)
269 return;
270
Johan Hedberg56e5cb82011-11-08 20:40:16 +0200271 hci_dev_lock(hdev);
272
Marcel Holtmannd7a5a112015-03-13 02:11:00 -0700273 if (hci_dev_test_flag(hdev, HCI_MGMT))
Johan Hedbergf51d5b22012-02-22 18:17:32 +0200274 mgmt_set_local_name_complete(hdev, sent, status);
Johan Hedberg28cc7bd2012-02-22 21:06:55 +0200275 else if (!status)
276 memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH);
Johan Hedbergf51d5b22012-02-22 18:17:32 +0200277
Johan Hedberg56e5cb82011-11-08 20:40:16 +0200278 hci_dev_unlock(hdev);
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200279}
280
281static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb)
282{
283 struct hci_rp_read_local_name *rp = (void *) skb->data;
284
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +0300285 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200286
287 if (rp->status)
288 return;
289
Marcel Holtmannd7a5a112015-03-13 02:11:00 -0700290 if (hci_dev_test_flag(hdev, HCI_SETUP) ||
291 hci_dev_test_flag(hdev, HCI_CONFIG))
Johan Hedbergdb99b5f2012-02-22 20:14:22 +0200292 memcpy(hdev->dev_name, rp->name, HCI_MAX_NAME_LENGTH);
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200293}
294
295static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb)
296{
297 __u8 status = *((__u8 *) skb->data);
298 void *sent;
299
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +0300300 BT_DBG("%s status 0x%2.2x", hdev->name, status);
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200301
302 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_ENABLE);
303 if (!sent)
304 return;
305
Jaganath Kanakkassery5c1a4c82014-12-11 18:58:15 +0530306 hci_dev_lock(hdev);
307
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200308 if (!status) {
309 __u8 param = *((__u8 *) sent);
310
311 if (param == AUTH_ENABLED)
312 set_bit(HCI_AUTH, &hdev->flags);
313 else
314 clear_bit(HCI_AUTH, &hdev->flags);
315 }
316
Marcel Holtmannd7a5a112015-03-13 02:11:00 -0700317 if (hci_dev_test_flag(hdev, HCI_MGMT))
Johan Hedberg33ef95e2012-02-16 23:56:27 +0200318 mgmt_auth_enable_complete(hdev, status);
Jaganath Kanakkassery5c1a4c82014-12-11 18:58:15 +0530319
320 hci_dev_unlock(hdev);
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200321}
322
323static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb)
324{
325 __u8 status = *((__u8 *) skb->data);
Marcel Holtmann45296ac2014-07-05 10:48:01 +0200326 __u8 param;
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200327 void *sent;
328
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +0300329 BT_DBG("%s status 0x%2.2x", hdev->name, status);
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200330
Marcel Holtmann45296ac2014-07-05 10:48:01 +0200331 if (status)
332 return;
333
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200334 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE);
335 if (!sent)
336 return;
337
Marcel Holtmann45296ac2014-07-05 10:48:01 +0200338 param = *((__u8 *) sent);
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200339
Marcel Holtmann45296ac2014-07-05 10:48:01 +0200340 if (param)
341 set_bit(HCI_ENCRYPT, &hdev->flags);
342 else
343 clear_bit(HCI_ENCRYPT, &hdev->flags);
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200344}
345
346static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb)
347{
Marcel Holtmann45296ac2014-07-05 10:48:01 +0200348 __u8 status = *((__u8 *) skb->data);
349 __u8 param;
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200350 void *sent;
351
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +0300352 BT_DBG("%s status 0x%2.2x", hdev->name, status);
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200353
354 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SCAN_ENABLE);
355 if (!sent)
356 return;
357
Johan Hedberg36f7fc72011-11-04 00:17:45 +0200358 param = *((__u8 *) sent);
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200359
Johan Hedberg56e5cb82011-11-08 20:40:16 +0200360 hci_dev_lock(hdev);
361
Mikel Astizfa1bd912012-08-09 09:52:29 +0200362 if (status) {
Johan Hedberg2d7cee52011-11-07 22:16:03 +0200363 hdev->discov_timeout = 0;
364 goto done;
365 }
366
Johan Hedbergbc6d2d02014-07-10 12:09:08 +0300367 if (param & SCAN_INQUIRY)
Johan Hedberg36f7fc72011-11-04 00:17:45 +0200368 set_bit(HCI_ISCAN, &hdev->flags);
Johan Hedbergbc6d2d02014-07-10 12:09:08 +0300369 else
370 clear_bit(HCI_ISCAN, &hdev->flags);
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200371
Johan Hedberg031547d2014-07-10 12:09:06 +0300372 if (param & SCAN_PAGE)
Johan Hedberg36f7fc72011-11-04 00:17:45 +0200373 set_bit(HCI_PSCAN, &hdev->flags);
Johan Hedbergbc6d2d02014-07-10 12:09:08 +0300374 else
Johan Hedberg204e3992014-07-28 15:45:31 +0300375 clear_bit(HCI_PSCAN, &hdev->flags);
Johan Hedberg36f7fc72011-11-04 00:17:45 +0200376
377done:
Johan Hedberg56e5cb82011-11-08 20:40:16 +0200378 hci_dev_unlock(hdev);
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200379}
380
381static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
382{
383 struct hci_rp_read_class_of_dev *rp = (void *) skb->data;
384
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +0300385 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200386
387 if (rp->status)
388 return;
389
390 memcpy(hdev->dev_class, rp->dev_class, 3);
391
392 BT_DBG("%s class 0x%.2x%.2x%.2x", hdev->name,
Gustavo Padovan807deac2012-05-17 00:36:24 -0300393 hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]);
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200394}
395
396static void hci_cc_write_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
397{
398 __u8 status = *((__u8 *) skb->data);
399 void *sent;
400
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +0300401 BT_DBG("%s status 0x%2.2x", hdev->name, status);
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200402
403 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV);
404 if (!sent)
405 return;
406
Marcel Holtmann7f9a9032012-02-22 18:38:01 +0100407 hci_dev_lock(hdev);
408
409 if (status == 0)
410 memcpy(hdev->dev_class, sent, 3);
411
Marcel Holtmannd7a5a112015-03-13 02:11:00 -0700412 if (hci_dev_test_flag(hdev, HCI_MGMT))
Marcel Holtmann7f9a9032012-02-22 18:38:01 +0100413 mgmt_set_class_of_dev_complete(hdev, sent, status);
414
415 hci_dev_unlock(hdev);
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200416}
417
418static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb)
419{
420 struct hci_rp_read_voice_setting *rp = (void *) skb->data;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700421 __u16 setting;
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200422
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +0300423 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200424
425 if (rp->status)
426 return;
427
428 setting = __le16_to_cpu(rp->voice_setting);
429
Marcel Holtmannf383f272008-07-14 20:13:47 +0200430 if (hdev->voice_setting == setting)
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200431 return;
432
433 hdev->voice_setting = setting;
434
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +0300435 BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting);
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200436
Gustavo F. Padovan3c547112011-12-14 22:58:44 -0200437 if (hdev->notify)
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200438 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200439}
440
Gustavo Padovan8fc9ced2012-05-23 04:04:21 -0300441static void hci_cc_write_voice_setting(struct hci_dev *hdev,
442 struct sk_buff *skb)
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200443{
444 __u8 status = *((__u8 *) skb->data);
Marcel Holtmannf383f272008-07-14 20:13:47 +0200445 __u16 setting;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700446 void *sent;
447
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +0300448 BT_DBG("%s status 0x%2.2x", hdev->name, status);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700449
Marcel Holtmannf383f272008-07-14 20:13:47 +0200450 if (status)
451 return;
452
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200453 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_VOICE_SETTING);
454 if (!sent)
455 return;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700456
Marcel Holtmannf383f272008-07-14 20:13:47 +0200457 setting = get_unaligned_le16(sent);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700458
Marcel Holtmannf383f272008-07-14 20:13:47 +0200459 if (hdev->voice_setting == setting)
460 return;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700461
Marcel Holtmannf383f272008-07-14 20:13:47 +0200462 hdev->voice_setting = setting;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700463
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +0300464 BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting);
Marcel Holtmannf383f272008-07-14 20:13:47 +0200465
Gustavo F. Padovan3c547112011-12-14 22:58:44 -0200466 if (hdev->notify)
Marcel Holtmannf383f272008-07-14 20:13:47 +0200467 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700468}
469
Marcel Holtmannb4cb9fb2013-10-14 13:56:16 -0700470static void hci_cc_read_num_supported_iac(struct hci_dev *hdev,
471 struct sk_buff *skb)
472{
473 struct hci_rp_read_num_supported_iac *rp = (void *) skb->data;
474
475 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
476
477 if (rp->status)
478 return;
479
480 hdev->num_iac = rp->num_iac;
481
482 BT_DBG("%s num iac %d", hdev->name, hdev->num_iac);
483}
484
Marcel Holtmann333140b2008-07-14 20:13:48 +0200485static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
486{
487 __u8 status = *((__u8 *) skb->data);
Johan Hedberg5ed8eb22012-10-25 00:09:51 +0300488 struct hci_cp_write_ssp_mode *sent;
Marcel Holtmann333140b2008-07-14 20:13:48 +0200489
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +0300490 BT_DBG("%s status 0x%2.2x", hdev->name, status);
Marcel Holtmann333140b2008-07-14 20:13:48 +0200491
Marcel Holtmann333140b2008-07-14 20:13:48 +0200492 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE);
493 if (!sent)
494 return;
495
Jaganath Kanakkassery5c1a4c82014-12-11 18:58:15 +0530496 hci_dev_lock(hdev);
497
Johan Hedberg5ed8eb22012-10-25 00:09:51 +0300498 if (!status) {
499 if (sent->mode)
Johan Hedbergcad718e2013-04-17 15:00:51 +0300500 hdev->features[1][0] |= LMP_HOST_SSP;
Johan Hedberg5ed8eb22012-10-25 00:09:51 +0300501 else
Johan Hedbergcad718e2013-04-17 15:00:51 +0300502 hdev->features[1][0] &= ~LMP_HOST_SSP;
Johan Hedberg5ed8eb22012-10-25 00:09:51 +0300503 }
504
Marcel Holtmannd7a5a112015-03-13 02:11:00 -0700505 if (hci_dev_test_flag(hdev, HCI_MGMT))
Johan Hedberg5ed8eb22012-10-25 00:09:51 +0300506 mgmt_ssp_enable_complete(hdev, sent->mode, status);
Johan Hedbergc0ecddc2012-02-22 12:38:31 +0200507 else if (!status) {
Johan Hedberg5ed8eb22012-10-25 00:09:51 +0300508 if (sent->mode)
Marcel Holtmanna1536da2015-03-13 02:11:01 -0700509 hci_dev_set_flag(hdev, HCI_SSP_ENABLED);
Johan Hedbergc0ecddc2012-02-22 12:38:31 +0200510 else
Marcel Holtmanna358dc12015-03-13 02:11:02 -0700511 hci_dev_clear_flag(hdev, HCI_SSP_ENABLED);
Johan Hedbergc0ecddc2012-02-22 12:38:31 +0200512 }
Jaganath Kanakkassery5c1a4c82014-12-11 18:58:15 +0530513
514 hci_dev_unlock(hdev);
Marcel Holtmann333140b2008-07-14 20:13:48 +0200515}
516
Marcel Holtmanneac83dc2014-01-10 02:07:23 -0800517static void hci_cc_write_sc_support(struct hci_dev *hdev, struct sk_buff *skb)
518{
519 u8 status = *((u8 *) skb->data);
520 struct hci_cp_write_sc_support *sent;
521
522 BT_DBG("%s status 0x%2.2x", hdev->name, status);
523
524 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SC_SUPPORT);
525 if (!sent)
526 return;
527
Jaganath Kanakkassery5c1a4c82014-12-11 18:58:15 +0530528 hci_dev_lock(hdev);
529
Marcel Holtmanneac83dc2014-01-10 02:07:23 -0800530 if (!status) {
531 if (sent->support)
532 hdev->features[1][0] |= LMP_HOST_SC;
533 else
534 hdev->features[1][0] &= ~LMP_HOST_SC;
535 }
536
Marcel Holtmannd7a5a112015-03-13 02:11:00 -0700537 if (!hci_dev_test_flag(hdev, HCI_MGMT) && !status) {
Marcel Holtmanneac83dc2014-01-10 02:07:23 -0800538 if (sent->support)
Marcel Holtmanna1536da2015-03-13 02:11:01 -0700539 hci_dev_set_flag(hdev, HCI_SC_ENABLED);
Marcel Holtmanneac83dc2014-01-10 02:07:23 -0800540 else
Marcel Holtmanna358dc12015-03-13 02:11:02 -0700541 hci_dev_clear_flag(hdev, HCI_SC_ENABLED);
Marcel Holtmanneac83dc2014-01-10 02:07:23 -0800542 }
Jaganath Kanakkassery5c1a4c82014-12-11 18:58:15 +0530543
544 hci_dev_unlock(hdev);
Marcel Holtmanneac83dc2014-01-10 02:07:23 -0800545}
546
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200547static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
548{
549 struct hci_rp_read_local_version *rp = (void *) skb->data;
550
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +0300551 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200552
553 if (rp->status)
Johan Hedberg42c6b122013-03-05 20:37:49 +0200554 return;
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200555
Marcel Holtmannd7a5a112015-03-13 02:11:00 -0700556 if (hci_dev_test_flag(hdev, HCI_SETUP) ||
557 hci_dev_test_flag(hdev, HCI_CONFIG)) {
Marcel Holtmann0d5551f2013-10-18 12:04:50 -0700558 hdev->hci_ver = rp->hci_ver;
559 hdev->hci_rev = __le16_to_cpu(rp->hci_rev);
560 hdev->lmp_ver = rp->lmp_ver;
561 hdev->manufacturer = __le16_to_cpu(rp->manufacturer);
562 hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver);
563 }
Johan Hedbergd5859e22011-01-25 01:19:58 +0200564}
565
Gustavo Padovan8fc9ced2012-05-23 04:04:21 -0300566static void hci_cc_read_local_commands(struct hci_dev *hdev,
567 struct sk_buff *skb)
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200568{
569 struct hci_rp_read_local_commands *rp = (void *) skb->data;
570
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +0300571 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200572
Marcel Holtmann6a070e62013-10-31 04:54:33 -0700573 if (rp->status)
574 return;
575
Marcel Holtmannd7a5a112015-03-13 02:11:00 -0700576 if (hci_dev_test_flag(hdev, HCI_SETUP) ||
577 hci_dev_test_flag(hdev, HCI_CONFIG))
Johan Hedberg2177bab2013-03-05 20:37:43 +0200578 memcpy(hdev->commands, rp->commands, sizeof(hdev->commands));
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200579}
580
Gustavo Padovan8fc9ced2012-05-23 04:04:21 -0300581static void hci_cc_read_local_features(struct hci_dev *hdev,
582 struct sk_buff *skb)
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200583{
584 struct hci_rp_read_local_features *rp = (void *) skb->data;
585
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +0300586 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200587
588 if (rp->status)
589 return;
590
591 memcpy(hdev->features, rp->features, 8);
592
593 /* Adjust default settings according to features
594 * supported by device. */
595
Johan Hedbergcad718e2013-04-17 15:00:51 +0300596 if (hdev->features[0][0] & LMP_3SLOT)
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200597 hdev->pkt_type |= (HCI_DM3 | HCI_DH3);
598
Johan Hedbergcad718e2013-04-17 15:00:51 +0300599 if (hdev->features[0][0] & LMP_5SLOT)
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200600 hdev->pkt_type |= (HCI_DM5 | HCI_DH5);
601
Johan Hedbergcad718e2013-04-17 15:00:51 +0300602 if (hdev->features[0][1] & LMP_HV2) {
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200603 hdev->pkt_type |= (HCI_HV2);
604 hdev->esco_type |= (ESCO_HV2);
605 }
606
Johan Hedbergcad718e2013-04-17 15:00:51 +0300607 if (hdev->features[0][1] & LMP_HV3) {
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200608 hdev->pkt_type |= (HCI_HV3);
609 hdev->esco_type |= (ESCO_HV3);
610 }
611
Andre Guedes45db810f2012-07-24 15:03:49 -0300612 if (lmp_esco_capable(hdev))
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200613 hdev->esco_type |= (ESCO_EV3);
614
Johan Hedbergcad718e2013-04-17 15:00:51 +0300615 if (hdev->features[0][4] & LMP_EV4)
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200616 hdev->esco_type |= (ESCO_EV4);
617
Johan Hedbergcad718e2013-04-17 15:00:51 +0300618 if (hdev->features[0][4] & LMP_EV5)
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200619 hdev->esco_type |= (ESCO_EV5);
620
Johan Hedbergcad718e2013-04-17 15:00:51 +0300621 if (hdev->features[0][5] & LMP_EDR_ESCO_2M)
Marcel Holtmannefc76882009-02-06 09:13:37 +0100622 hdev->esco_type |= (ESCO_2EV3);
623
Johan Hedbergcad718e2013-04-17 15:00:51 +0300624 if (hdev->features[0][5] & LMP_EDR_ESCO_3M)
Marcel Holtmannefc76882009-02-06 09:13:37 +0100625 hdev->esco_type |= (ESCO_3EV3);
626
Johan Hedbergcad718e2013-04-17 15:00:51 +0300627 if (hdev->features[0][5] & LMP_EDR_3S_ESCO)
Marcel Holtmannefc76882009-02-06 09:13:37 +0100628 hdev->esco_type |= (ESCO_2EV5 | ESCO_3EV5);
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200629}
630
Andre Guedes971e3a42011-06-30 19:20:52 -0300631static void hci_cc_read_local_ext_features(struct hci_dev *hdev,
Gustavo Padovan807deac2012-05-17 00:36:24 -0300632 struct sk_buff *skb)
Andre Guedes971e3a42011-06-30 19:20:52 -0300633{
634 struct hci_rp_read_local_ext_features *rp = (void *) skb->data;
635
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +0300636 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
Andre Guedes971e3a42011-06-30 19:20:52 -0300637
638 if (rp->status)
Johan Hedberg42c6b122013-03-05 20:37:49 +0200639 return;
Andre Guedes971e3a42011-06-30 19:20:52 -0300640
Marcel Holtmann57af75a2013-10-18 12:04:47 -0700641 if (hdev->max_page < rp->max_page)
642 hdev->max_page = rp->max_page;
Johan Hedbergd2c5d772013-04-17 15:00:52 +0300643
Johan Hedbergcad718e2013-04-17 15:00:51 +0300644 if (rp->page < HCI_MAX_PAGES)
645 memcpy(hdev->features[rp->page], rp->features, 8);
Andre Guedes971e3a42011-06-30 19:20:52 -0300646}
647
Andrei Emeltchenko1e89cff2011-11-24 14:52:02 +0200648static void hci_cc_read_flow_control_mode(struct hci_dev *hdev,
Gustavo Padovan807deac2012-05-17 00:36:24 -0300649 struct sk_buff *skb)
Andrei Emeltchenko1e89cff2011-11-24 14:52:02 +0200650{
651 struct hci_rp_read_flow_control_mode *rp = (void *) skb->data;
652
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +0300653 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
Andrei Emeltchenko1e89cff2011-11-24 14:52:02 +0200654
Marcel Holtmann45296ac2014-07-05 10:48:01 +0200655 if (rp->status)
656 return;
657
658 hdev->flow_ctl_mode = rp->mode;
Andrei Emeltchenko1e89cff2011-11-24 14:52:02 +0200659}
660
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200661static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
662{
663 struct hci_rp_read_buffer_size *rp = (void *) skb->data;
664
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +0300665 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200666
667 if (rp->status)
668 return;
669
670 hdev->acl_mtu = __le16_to_cpu(rp->acl_mtu);
671 hdev->sco_mtu = rp->sco_mtu;
672 hdev->acl_pkts = __le16_to_cpu(rp->acl_max_pkt);
673 hdev->sco_pkts = __le16_to_cpu(rp->sco_max_pkt);
674
675 if (test_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks)) {
676 hdev->sco_mtu = 64;
677 hdev->sco_pkts = 8;
678 }
679
680 hdev->acl_cnt = hdev->acl_pkts;
681 hdev->sco_cnt = hdev->sco_pkts;
682
Gustavo Padovan807deac2012-05-17 00:36:24 -0300683 BT_DBG("%s acl mtu %d:%d sco mtu %d:%d", hdev->name, hdev->acl_mtu,
684 hdev->acl_pkts, hdev->sco_mtu, hdev->sco_pkts);
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200685}
686
687static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb)
688{
689 struct hci_rp_read_bd_addr *rp = (void *) skb->data;
690
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +0300691 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200692
Marcel Holtmanne30d3f52014-07-05 10:48:03 +0200693 if (rp->status)
694 return;
695
696 if (test_bit(HCI_INIT, &hdev->flags))
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200697 bacpy(&hdev->bdaddr, &rp->bdaddr);
Marcel Holtmanne30d3f52014-07-05 10:48:03 +0200698
Marcel Holtmannd7a5a112015-03-13 02:11:00 -0700699 if (hci_dev_test_flag(hdev, HCI_SETUP))
Marcel Holtmanne30d3f52014-07-05 10:48:03 +0200700 bacpy(&hdev->setup_addr, &rp->bdaddr);
Johan Hedberg23bb5762010-12-21 23:01:27 +0200701}
702
Johan Hedbergf332ec62013-03-15 17:07:11 -0500703static void hci_cc_read_page_scan_activity(struct hci_dev *hdev,
704 struct sk_buff *skb)
705{
706 struct hci_rp_read_page_scan_activity *rp = (void *) skb->data;
707
708 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
709
Marcel Holtmann45296ac2014-07-05 10:48:01 +0200710 if (rp->status)
711 return;
712
713 if (test_bit(HCI_INIT, &hdev->flags)) {
Johan Hedbergf332ec62013-03-15 17:07:11 -0500714 hdev->page_scan_interval = __le16_to_cpu(rp->interval);
715 hdev->page_scan_window = __le16_to_cpu(rp->window);
716 }
717}
718
Johan Hedberg4a3ee762013-03-15 17:07:12 -0500719static void hci_cc_write_page_scan_activity(struct hci_dev *hdev,
720 struct sk_buff *skb)
721{
722 u8 status = *((u8 *) skb->data);
723 struct hci_cp_write_page_scan_activity *sent;
724
725 BT_DBG("%s status 0x%2.2x", hdev->name, status);
726
727 if (status)
728 return;
729
730 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY);
731 if (!sent)
732 return;
733
734 hdev->page_scan_interval = __le16_to_cpu(sent->interval);
735 hdev->page_scan_window = __le16_to_cpu(sent->window);
736}
737
Johan Hedbergf332ec62013-03-15 17:07:11 -0500738static void hci_cc_read_page_scan_type(struct hci_dev *hdev,
739 struct sk_buff *skb)
740{
741 struct hci_rp_read_page_scan_type *rp = (void *) skb->data;
742
743 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
744
Marcel Holtmann45296ac2014-07-05 10:48:01 +0200745 if (rp->status)
746 return;
747
748 if (test_bit(HCI_INIT, &hdev->flags))
Johan Hedbergf332ec62013-03-15 17:07:11 -0500749 hdev->page_scan_type = rp->type;
750}
751
Johan Hedberg4a3ee762013-03-15 17:07:12 -0500752static void hci_cc_write_page_scan_type(struct hci_dev *hdev,
753 struct sk_buff *skb)
754{
755 u8 status = *((u8 *) skb->data);
756 u8 *type;
757
758 BT_DBG("%s status 0x%2.2x", hdev->name, status);
759
760 if (status)
761 return;
762
763 type = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_TYPE);
764 if (type)
765 hdev->page_scan_type = *type;
766}
767
Andrei Emeltchenko350ee4c2011-12-07 15:56:51 +0200768static void hci_cc_read_data_block_size(struct hci_dev *hdev,
Gustavo Padovan807deac2012-05-17 00:36:24 -0300769 struct sk_buff *skb)
Andrei Emeltchenko350ee4c2011-12-07 15:56:51 +0200770{
771 struct hci_rp_read_data_block_size *rp = (void *) skb->data;
772
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +0300773 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
Andrei Emeltchenko350ee4c2011-12-07 15:56:51 +0200774
775 if (rp->status)
776 return;
777
778 hdev->block_mtu = __le16_to_cpu(rp->max_acl_len);
779 hdev->block_len = __le16_to_cpu(rp->block_len);
780 hdev->num_blocks = __le16_to_cpu(rp->num_blocks);
781
782 hdev->block_cnt = hdev->num_blocks;
783
784 BT_DBG("%s blk mtu %d cnt %d len %d", hdev->name, hdev->block_mtu,
Gustavo Padovan807deac2012-05-17 00:36:24 -0300785 hdev->block_cnt, hdev->block_len);
Andrei Emeltchenko350ee4c2011-12-07 15:56:51 +0200786}
787
Johan Hedberg33f35722014-06-28 17:54:06 +0300788static void hci_cc_read_clock(struct hci_dev *hdev, struct sk_buff *skb)
789{
790 struct hci_rp_read_clock *rp = (void *) skb->data;
791 struct hci_cp_read_clock *cp;
792 struct hci_conn *conn;
793
794 BT_DBG("%s", hdev->name);
795
796 if (skb->len < sizeof(*rp))
797 return;
798
799 if (rp->status)
800 return;
801
802 hci_dev_lock(hdev);
803
804 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK);
805 if (!cp)
806 goto unlock;
807
808 if (cp->which == 0x00) {
809 hdev->clock = le32_to_cpu(rp->clock);
810 goto unlock;
811 }
812
813 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
814 if (conn) {
815 conn->clock = le32_to_cpu(rp->clock);
816 conn->clock_accuracy = le16_to_cpu(rp->accuracy);
817 }
818
819unlock:
820 hci_dev_unlock(hdev);
821}
822
Andrei Emeltchenko928abaa2011-10-12 10:53:57 +0300823static void hci_cc_read_local_amp_info(struct hci_dev *hdev,
Gustavo Padovan807deac2012-05-17 00:36:24 -0300824 struct sk_buff *skb)
Andrei Emeltchenko928abaa2011-10-12 10:53:57 +0300825{
826 struct hci_rp_read_local_amp_info *rp = (void *) skb->data;
827
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +0300828 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
Andrei Emeltchenko928abaa2011-10-12 10:53:57 +0300829
830 if (rp->status)
Arron Wang83927882015-07-24 17:10:16 +0800831 return;
Andrei Emeltchenko928abaa2011-10-12 10:53:57 +0300832
833 hdev->amp_status = rp->amp_status;
834 hdev->amp_total_bw = __le32_to_cpu(rp->total_bw);
835 hdev->amp_max_bw = __le32_to_cpu(rp->max_bw);
836 hdev->amp_min_latency = __le32_to_cpu(rp->min_latency);
837 hdev->amp_max_pdu = __le32_to_cpu(rp->max_pdu);
838 hdev->amp_type = rp->amp_type;
839 hdev->amp_pal_cap = __le16_to_cpu(rp->pal_cap);
840 hdev->amp_assoc_size = __le16_to_cpu(rp->max_assoc_size);
841 hdev->amp_be_flush_to = __le32_to_cpu(rp->be_flush_to);
842 hdev->amp_max_flush_to = __le32_to_cpu(rp->max_flush_to);
Andrei Emeltchenko928abaa2011-10-12 10:53:57 +0300843}
844
Johan Hedbergd5859e22011-01-25 01:19:58 +0200845static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev,
Gustavo Padovan807deac2012-05-17 00:36:24 -0300846 struct sk_buff *skb)
Johan Hedbergd5859e22011-01-25 01:19:58 +0200847{
Marcel Holtmann91c4e9b2012-03-11 19:27:21 -0700848 struct hci_rp_read_inq_rsp_tx_power *rp = (void *) skb->data;
Johan Hedbergd5859e22011-01-25 01:19:58 +0200849
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +0300850 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
Johan Hedbergd5859e22011-01-25 01:19:58 +0200851
Marcel Holtmann45296ac2014-07-05 10:48:01 +0200852 if (rp->status)
853 return;
854
855 hdev->inq_tx_power = rp->tx_power;
Johan Hedbergd5859e22011-01-25 01:19:58 +0200856}
857
Johan Hedberg980e1a52011-01-22 06:10:07 +0200858static void hci_cc_pin_code_reply(struct hci_dev *hdev, struct sk_buff *skb)
859{
860 struct hci_rp_pin_code_reply *rp = (void *) skb->data;
861 struct hci_cp_pin_code_reply *cp;
862 struct hci_conn *conn;
863
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +0300864 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
Johan Hedberg980e1a52011-01-22 06:10:07 +0200865
Johan Hedberg56e5cb82011-11-08 20:40:16 +0200866 hci_dev_lock(hdev);
867
Marcel Holtmannd7a5a112015-03-13 02:11:00 -0700868 if (hci_dev_test_flag(hdev, HCI_MGMT))
Johan Hedberg744cf192011-11-08 20:40:14 +0200869 mgmt_pin_code_reply_complete(hdev, &rp->bdaddr, rp->status);
Johan Hedberg980e1a52011-01-22 06:10:07 +0200870
Mikel Astizfa1bd912012-08-09 09:52:29 +0200871 if (rp->status)
Johan Hedberg56e5cb82011-11-08 20:40:16 +0200872 goto unlock;
Johan Hedberg980e1a52011-01-22 06:10:07 +0200873
874 cp = hci_sent_cmd_data(hdev, HCI_OP_PIN_CODE_REPLY);
875 if (!cp)
Johan Hedberg56e5cb82011-11-08 20:40:16 +0200876 goto unlock;
Johan Hedberg980e1a52011-01-22 06:10:07 +0200877
878 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
879 if (conn)
880 conn->pin_length = cp->pin_len;
Johan Hedberg56e5cb82011-11-08 20:40:16 +0200881
882unlock:
883 hci_dev_unlock(hdev);
Johan Hedberg980e1a52011-01-22 06:10:07 +0200884}
885
886static void hci_cc_pin_code_neg_reply(struct hci_dev *hdev, struct sk_buff *skb)
887{
888 struct hci_rp_pin_code_neg_reply *rp = (void *) skb->data;
889
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +0300890 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
Johan Hedberg980e1a52011-01-22 06:10:07 +0200891
Johan Hedberg56e5cb82011-11-08 20:40:16 +0200892 hci_dev_lock(hdev);
893
Marcel Holtmannd7a5a112015-03-13 02:11:00 -0700894 if (hci_dev_test_flag(hdev, HCI_MGMT))
Johan Hedberg744cf192011-11-08 20:40:14 +0200895 mgmt_pin_code_neg_reply_complete(hdev, &rp->bdaddr,
Gustavo Padovan807deac2012-05-17 00:36:24 -0300896 rp->status);
Johan Hedberg56e5cb82011-11-08 20:40:16 +0200897
898 hci_dev_unlock(hdev);
Johan Hedberg980e1a52011-01-22 06:10:07 +0200899}
Johan Hedberg56e5cb82011-11-08 20:40:16 +0200900
Ville Tervo6ed58ec2011-02-10 22:38:48 -0300901static void hci_cc_le_read_buffer_size(struct hci_dev *hdev,
902 struct sk_buff *skb)
903{
904 struct hci_rp_le_read_buffer_size *rp = (void *) skb->data;
905
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +0300906 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
Ville Tervo6ed58ec2011-02-10 22:38:48 -0300907
908 if (rp->status)
909 return;
910
911 hdev->le_mtu = __le16_to_cpu(rp->le_mtu);
912 hdev->le_pkts = rp->le_max_pkt;
913
914 hdev->le_cnt = hdev->le_pkts;
915
916 BT_DBG("%s le mtu %d:%d", hdev->name, hdev->le_mtu, hdev->le_pkts);
Ville Tervo6ed58ec2011-02-10 22:38:48 -0300917}
Johan Hedberg980e1a52011-01-22 06:10:07 +0200918
Johan Hedberg60e77322013-01-22 14:01:59 +0200919static void hci_cc_le_read_local_features(struct hci_dev *hdev,
920 struct sk_buff *skb)
921{
922 struct hci_rp_le_read_local_features *rp = (void *) skb->data;
923
924 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
925
Marcel Holtmann45296ac2014-07-05 10:48:01 +0200926 if (rp->status)
927 return;
928
929 memcpy(hdev->le_features, rp->features, 8);
Johan Hedberg60e77322013-01-22 14:01:59 +0200930}
931
Johan Hedberg8fa19092012-10-19 20:57:49 +0300932static void hci_cc_le_read_adv_tx_power(struct hci_dev *hdev,
933 struct sk_buff *skb)
934{
935 struct hci_rp_le_read_adv_tx_power *rp = (void *) skb->data;
936
937 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
938
Marcel Holtmann45296ac2014-07-05 10:48:01 +0200939 if (rp->status)
940 return;
941
942 hdev->adv_tx_power = rp->tx_power;
Johan Hedberg8fa19092012-10-19 20:57:49 +0300943}
944
Johan Hedberga5c29682011-02-19 12:05:57 -0300945static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb)
946{
947 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
948
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +0300949 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
Johan Hedberga5c29682011-02-19 12:05:57 -0300950
Johan Hedberg56e5cb82011-11-08 20:40:16 +0200951 hci_dev_lock(hdev);
952
Marcel Holtmannd7a5a112015-03-13 02:11:00 -0700953 if (hci_dev_test_flag(hdev, HCI_MGMT))
Gustavo F. Padovan04124682012-03-08 01:25:00 -0300954 mgmt_user_confirm_reply_complete(hdev, &rp->bdaddr, ACL_LINK, 0,
955 rp->status);
Johan Hedberg56e5cb82011-11-08 20:40:16 +0200956
957 hci_dev_unlock(hdev);
Johan Hedberga5c29682011-02-19 12:05:57 -0300958}
959
960static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev,
Gustavo Padovan807deac2012-05-17 00:36:24 -0300961 struct sk_buff *skb)
Johan Hedberga5c29682011-02-19 12:05:57 -0300962{
963 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
964
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +0300965 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
Johan Hedberga5c29682011-02-19 12:05:57 -0300966
Johan Hedberg56e5cb82011-11-08 20:40:16 +0200967 hci_dev_lock(hdev);
968
Marcel Holtmannd7a5a112015-03-13 02:11:00 -0700969 if (hci_dev_test_flag(hdev, HCI_MGMT))
Johan Hedberg744cf192011-11-08 20:40:14 +0200970 mgmt_user_confirm_neg_reply_complete(hdev, &rp->bdaddr,
Gustavo F. Padovan04124682012-03-08 01:25:00 -0300971 ACL_LINK, 0, rp->status);
Johan Hedberg56e5cb82011-11-08 20:40:16 +0200972
973 hci_dev_unlock(hdev);
Johan Hedberga5c29682011-02-19 12:05:57 -0300974}
975
Brian Gix1143d452011-11-23 08:28:34 -0800976static void hci_cc_user_passkey_reply(struct hci_dev *hdev, struct sk_buff *skb)
977{
978 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
979
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +0300980 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
Brian Gix1143d452011-11-23 08:28:34 -0800981
982 hci_dev_lock(hdev);
983
Marcel Holtmannd7a5a112015-03-13 02:11:00 -0700984 if (hci_dev_test_flag(hdev, HCI_MGMT))
Johan Hedberg272d90d2012-02-09 15:26:12 +0200985 mgmt_user_passkey_reply_complete(hdev, &rp->bdaddr, ACL_LINK,
Gustavo F. Padovan04124682012-03-08 01:25:00 -0300986 0, rp->status);
Brian Gix1143d452011-11-23 08:28:34 -0800987
988 hci_dev_unlock(hdev);
989}
990
991static void hci_cc_user_passkey_neg_reply(struct hci_dev *hdev,
Gustavo Padovan807deac2012-05-17 00:36:24 -0300992 struct sk_buff *skb)
Brian Gix1143d452011-11-23 08:28:34 -0800993{
994 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
995
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +0300996 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
Brian Gix1143d452011-11-23 08:28:34 -0800997
998 hci_dev_lock(hdev);
999
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07001000 if (hci_dev_test_flag(hdev, HCI_MGMT))
Brian Gix1143d452011-11-23 08:28:34 -08001001 mgmt_user_passkey_neg_reply_complete(hdev, &rp->bdaddr,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03001002 ACL_LINK, 0, rp->status);
Brian Gix1143d452011-11-23 08:28:34 -08001003
1004 hci_dev_unlock(hdev);
1005}
1006
Marcel Holtmann4d2d2792014-01-10 02:07:26 -08001007static void hci_cc_read_local_oob_data(struct hci_dev *hdev,
1008 struct sk_buff *skb)
Szymon Jancc35938b2011-03-22 13:12:21 +01001009{
1010 struct hci_rp_read_local_oob_data *rp = (void *) skb->data;
1011
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +03001012 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
Marcel Holtmann4d2d2792014-01-10 02:07:26 -08001013}
1014
1015static void hci_cc_read_local_oob_ext_data(struct hci_dev *hdev,
1016 struct sk_buff *skb)
1017{
1018 struct hci_rp_read_local_oob_ext_data *rp = (void *) skb->data;
1019
1020 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
Szymon Jancc35938b2011-03-22 13:12:21 +01001021}
1022
Marcel Holtmann7a4cd512014-02-19 19:52:13 -08001023static void hci_cc_le_set_random_addr(struct hci_dev *hdev, struct sk_buff *skb)
1024{
1025 __u8 status = *((__u8 *) skb->data);
1026 bdaddr_t *sent;
1027
1028 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1029
Marcel Holtmann45296ac2014-07-05 10:48:01 +02001030 if (status)
1031 return;
1032
Marcel Holtmann7a4cd512014-02-19 19:52:13 -08001033 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_RANDOM_ADDR);
1034 if (!sent)
1035 return;
1036
1037 hci_dev_lock(hdev);
1038
Marcel Holtmann45296ac2014-07-05 10:48:01 +02001039 bacpy(&hdev->random_addr, sent);
Marcel Holtmann7a4cd512014-02-19 19:52:13 -08001040
1041 hci_dev_unlock(hdev);
1042}
1043
Johan Hedbergc1d5dc42012-11-08 01:23:01 +01001044static void hci_cc_le_set_adv_enable(struct hci_dev *hdev, struct sk_buff *skb)
1045{
1046 __u8 *sent, status = *((__u8 *) skb->data);
1047
1048 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1049
Marcel Holtmann45296ac2014-07-05 10:48:01 +02001050 if (status)
Johan Hedbergc1d5dc42012-11-08 01:23:01 +01001051 return;
1052
Marcel Holtmann45296ac2014-07-05 10:48:01 +02001053 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_ENABLE);
1054 if (!sent)
Johan Hedberg3c857752014-03-25 10:30:49 +02001055 return;
1056
Johan Hedbergc1d5dc42012-11-08 01:23:01 +01001057 hci_dev_lock(hdev);
1058
Stephen Hemminger49c922b2014-10-27 21:12:20 -07001059 /* If we're doing connection initiation as peripheral. Set a
Johan Hedberg3c857752014-03-25 10:30:49 +02001060 * timeout in case something goes wrong.
1061 */
1062 if (*sent) {
1063 struct hci_conn *conn;
1064
Marcel Holtmanna1536da2015-03-13 02:11:01 -07001065 hci_dev_set_flag(hdev, HCI_LE_ADV);
Johan Hedberg66c417c2014-07-08 15:07:47 +03001066
Jakub Pawlowskie7d9ab72015-08-07 20:22:52 +02001067 conn = hci_lookup_le_connect(hdev);
Johan Hedberg3c857752014-03-25 10:30:49 +02001068 if (conn)
1069 queue_delayed_work(hdev->workqueue,
1070 &conn->le_conn_timeout,
Johan Hedberg09ae2602014-07-06 13:41:15 +03001071 conn->conn_timeout);
Johan Hedberg66c417c2014-07-08 15:07:47 +03001072 } else {
Marcel Holtmanna358dc12015-03-13 02:11:02 -07001073 hci_dev_clear_flag(hdev, HCI_LE_ADV);
Johan Hedberg3c857752014-03-25 10:30:49 +02001074 }
1075
Johan Hedberg04b4edc2013-03-15 17:07:01 -05001076 hci_dev_unlock(hdev);
Johan Hedbergc1d5dc42012-11-08 01:23:01 +01001077}
1078
Marcel Holtmann533553f2014-03-21 12:18:10 -07001079static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb)
1080{
1081 struct hci_cp_le_set_scan_param *cp;
1082 __u8 status = *((__u8 *) skb->data);
1083
1084 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1085
Marcel Holtmann45296ac2014-07-05 10:48:01 +02001086 if (status)
1087 return;
1088
Marcel Holtmann533553f2014-03-21 12:18:10 -07001089 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_PARAM);
1090 if (!cp)
1091 return;
1092
1093 hci_dev_lock(hdev);
1094
Marcel Holtmann45296ac2014-07-05 10:48:01 +02001095 hdev->le_scan_type = cp->type;
Marcel Holtmann533553f2014-03-21 12:18:10 -07001096
1097 hci_dev_unlock(hdev);
1098}
1099
Johan Hedbergb9a63282014-03-25 10:51:52 +02001100static bool has_pending_adv_report(struct hci_dev *hdev)
1101{
1102 struct discovery_state *d = &hdev->discovery;
1103
1104 return bacmp(&d->last_adv_addr, BDADDR_ANY);
1105}
1106
1107static void clear_pending_adv_report(struct hci_dev *hdev)
1108{
1109 struct discovery_state *d = &hdev->discovery;
1110
1111 bacpy(&d->last_adv_addr, BDADDR_ANY);
1112 d->last_adv_data_len = 0;
1113}
1114
1115static void store_pending_adv_report(struct hci_dev *hdev, bdaddr_t *bdaddr,
Marcel Holtmannc70a7e42014-07-01 14:11:21 +02001116 u8 bdaddr_type, s8 rssi, u32 flags,
1117 u8 *data, u8 len)
Johan Hedbergb9a63282014-03-25 10:51:52 +02001118{
1119 struct discovery_state *d = &hdev->discovery;
1120
1121 bacpy(&d->last_adv_addr, bdaddr);
1122 d->last_adv_addr_type = bdaddr_type;
Johan Hedbergff5cd292014-03-25 14:40:52 +02001123 d->last_adv_rssi = rssi;
Marcel Holtmannc70a7e42014-07-01 14:11:21 +02001124 d->last_adv_flags = flags;
Johan Hedbergb9a63282014-03-25 10:51:52 +02001125 memcpy(d->last_adv_data, data, len);
1126 d->last_adv_data_len = len;
1127}
1128
Andre Guedeseb9d91f2011-05-26 16:23:52 -03001129static void hci_cc_le_set_scan_enable(struct hci_dev *hdev,
Gustavo Padovan807deac2012-05-17 00:36:24 -03001130 struct sk_buff *skb)
Andre Guedeseb9d91f2011-05-26 16:23:52 -03001131{
1132 struct hci_cp_le_set_scan_enable *cp;
1133 __u8 status = *((__u8 *) skb->data);
1134
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +03001135 BT_DBG("%s status 0x%2.2x", hdev->name, status);
Andre Guedeseb9d91f2011-05-26 16:23:52 -03001136
Marcel Holtmann45296ac2014-07-05 10:48:01 +02001137 if (status)
Andre Guedeseb9d91f2011-05-26 16:23:52 -03001138 return;
1139
Marcel Holtmann45296ac2014-07-05 10:48:01 +02001140 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE);
1141 if (!cp)
Andre Guedes3fd319b2013-04-30 15:29:36 -03001142 return;
1143
Jaganath Kanakkassery5c1a4c82014-12-11 18:58:15 +05301144 hci_dev_lock(hdev);
1145
Andrei Emeltchenko68a8aea2011-12-19 16:14:18 +02001146 switch (cp->enable) {
Andre Guedes76a388b2013-04-04 20:21:02 -03001147 case LE_SCAN_ENABLE:
Marcel Holtmanna1536da2015-03-13 02:11:01 -07001148 hci_dev_set_flag(hdev, HCI_LE_SCAN);
Johan Hedbergb9a63282014-03-25 10:51:52 +02001149 if (hdev->le_scan_type == LE_SCAN_ACTIVE)
1150 clear_pending_adv_report(hdev);
Andrei Emeltchenko68a8aea2011-12-19 16:14:18 +02001151 break;
1152
Andre Guedes76a388b2013-04-04 20:21:02 -03001153 case LE_SCAN_DISABLE:
Johan Hedbergb9a63282014-03-25 10:51:52 +02001154 /* We do this here instead of when setting DISCOVERY_STOPPED
1155 * since the latter would potentially require waiting for
1156 * inquiry to stop too.
1157 */
1158 if (has_pending_adv_report(hdev)) {
1159 struct discovery_state *d = &hdev->discovery;
1160
1161 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
Johan Hedbergab0aa432014-03-26 14:17:12 +02001162 d->last_adv_addr_type, NULL,
Marcel Holtmannc70a7e42014-07-01 14:11:21 +02001163 d->last_adv_rssi, d->last_adv_flags,
Johan Hedbergab0aa432014-03-26 14:17:12 +02001164 d->last_adv_data,
Johan Hedbergb9a63282014-03-25 10:51:52 +02001165 d->last_adv_data_len, NULL, 0);
1166 }
1167
Johan Hedberg317ac8c2014-02-28 20:26:12 +02001168 /* Cancel this timer so that we don't try to disable scanning
1169 * when it's already disabled.
1170 */
1171 cancel_delayed_work(&hdev->le_scan_disable);
1172
Marcel Holtmanna358dc12015-03-13 02:11:02 -07001173 hci_dev_clear_flag(hdev, HCI_LE_SCAN);
Johan Hedberge8bb6b92014-07-08 15:07:53 +03001174
Johan Hedberg81ad6fd2014-02-28 20:26:13 +02001175 /* The HCI_LE_SCAN_INTERRUPTED flag indicates that we
1176 * interrupted scanning due to a connect request. Mark
Johan Hedberge8bb6b92014-07-08 15:07:53 +03001177 * therefore discovery as stopped. If this was not
1178 * because of a connect request advertising might have
1179 * been disabled because of active scanning, so
1180 * re-enable it again if necessary.
Johan Hedberg81ad6fd2014-02-28 20:26:13 +02001181 */
Marcel Holtmanna69d8922015-03-13 02:11:05 -07001182 if (hci_dev_test_and_clear_flag(hdev, HCI_LE_SCAN_INTERRUPTED))
Johan Hedberg81ad6fd2014-02-28 20:26:13 +02001183 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07001184 else if (!hci_dev_test_flag(hdev, HCI_LE_ADV) &&
Johan Hedberg34722272014-07-08 16:05:05 +03001185 hdev->discovery.state == DISCOVERY_FINDING)
Johan Hedbergf2252572015-11-18 12:49:20 +02001186 hci_req_reenable_advertising(hdev);
Johan Hedberge8bb6b92014-07-08 15:07:53 +03001187
Andrei Emeltchenko68a8aea2011-12-19 16:14:18 +02001188 break;
1189
1190 default:
1191 BT_ERR("Used reserved LE_Scan_Enable param %d", cp->enable);
1192 break;
Andre Guedes35815082011-05-26 16:23:53 -03001193 }
Jaganath Kanakkassery5c1a4c82014-12-11 18:58:15 +05301194
1195 hci_dev_unlock(hdev);
Andre Guedeseb9d91f2011-05-26 16:23:52 -03001196}
1197
Johan Hedbergcf1d0812013-01-22 14:02:00 +02001198static void hci_cc_le_read_white_list_size(struct hci_dev *hdev,
1199 struct sk_buff *skb)
1200{
1201 struct hci_rp_le_read_white_list_size *rp = (void *) skb->data;
1202
1203 BT_DBG("%s status 0x%2.2x size %u", hdev->name, rp->status, rp->size);
1204
Marcel Holtmann45296ac2014-07-05 10:48:01 +02001205 if (rp->status)
1206 return;
1207
1208 hdev->le_white_list_size = rp->size;
Johan Hedbergcf1d0812013-01-22 14:02:00 +02001209}
1210
Marcel Holtmann0f36b582014-02-27 20:37:31 -08001211static void hci_cc_le_clear_white_list(struct hci_dev *hdev,
1212 struct sk_buff *skb)
1213{
1214 __u8 status = *((__u8 *) skb->data);
1215
1216 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1217
Marcel Holtmann45296ac2014-07-05 10:48:01 +02001218 if (status)
1219 return;
1220
Johan Hedbergdcc36c12014-07-09 12:59:13 +03001221 hci_bdaddr_list_clear(&hdev->le_white_list);
Marcel Holtmann0f36b582014-02-27 20:37:31 -08001222}
1223
1224static void hci_cc_le_add_to_white_list(struct hci_dev *hdev,
1225 struct sk_buff *skb)
1226{
1227 struct hci_cp_le_add_to_white_list *sent;
1228 __u8 status = *((__u8 *) skb->data);
1229
1230 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1231
Marcel Holtmann45296ac2014-07-05 10:48:01 +02001232 if (status)
1233 return;
1234
Marcel Holtmann0f36b582014-02-27 20:37:31 -08001235 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_ADD_TO_WHITE_LIST);
1236 if (!sent)
1237 return;
1238
Johan Hedbergdcc36c12014-07-09 12:59:13 +03001239 hci_bdaddr_list_add(&hdev->le_white_list, &sent->bdaddr,
1240 sent->bdaddr_type);
Marcel Holtmann0f36b582014-02-27 20:37:31 -08001241}
1242
1243static void hci_cc_le_del_from_white_list(struct hci_dev *hdev,
1244 struct sk_buff *skb)
1245{
1246 struct hci_cp_le_del_from_white_list *sent;
1247 __u8 status = *((__u8 *) skb->data);
1248
1249 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1250
Marcel Holtmann45296ac2014-07-05 10:48:01 +02001251 if (status)
1252 return;
1253
Marcel Holtmann0f36b582014-02-27 20:37:31 -08001254 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_DEL_FROM_WHITE_LIST);
1255 if (!sent)
1256 return;
1257
Johan Hedbergdcc36c12014-07-09 12:59:13 +03001258 hci_bdaddr_list_del(&hdev->le_white_list, &sent->bdaddr,
1259 sent->bdaddr_type);
Marcel Holtmann0f36b582014-02-27 20:37:31 -08001260}
1261
Johan Hedberg9b008c02013-01-22 14:02:01 +02001262static void hci_cc_le_read_supported_states(struct hci_dev *hdev,
1263 struct sk_buff *skb)
1264{
1265 struct hci_rp_le_read_supported_states *rp = (void *) skb->data;
1266
1267 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1268
Marcel Holtmann45296ac2014-07-05 10:48:01 +02001269 if (rp->status)
1270 return;
1271
1272 memcpy(hdev->le_states, rp->le_states, 8);
Johan Hedberg9b008c02013-01-22 14:02:01 +02001273}
1274
Marcel Holtmanna8e1bfa2014-12-20 16:28:40 +01001275static void hci_cc_le_read_def_data_len(struct hci_dev *hdev,
1276 struct sk_buff *skb)
1277{
1278 struct hci_rp_le_read_def_data_len *rp = (void *) skb->data;
1279
1280 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1281
1282 if (rp->status)
1283 return;
1284
1285 hdev->le_def_tx_len = le16_to_cpu(rp->tx_len);
1286 hdev->le_def_tx_time = le16_to_cpu(rp->tx_time);
1287}
1288
1289static void hci_cc_le_write_def_data_len(struct hci_dev *hdev,
1290 struct sk_buff *skb)
1291{
1292 struct hci_cp_le_write_def_data_len *sent;
1293 __u8 status = *((__u8 *) skb->data);
1294
1295 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1296
1297 if (status)
1298 return;
1299
1300 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_WRITE_DEF_DATA_LEN);
1301 if (!sent)
1302 return;
1303
1304 hdev->le_def_tx_len = le16_to_cpu(sent->tx_len);
1305 hdev->le_def_tx_time = le16_to_cpu(sent->tx_time);
1306}
1307
1308static void hci_cc_le_read_max_data_len(struct hci_dev *hdev,
1309 struct sk_buff *skb)
1310{
1311 struct hci_rp_le_read_max_data_len *rp = (void *) skb->data;
1312
1313 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1314
1315 if (rp->status)
1316 return;
1317
1318 hdev->le_max_tx_len = le16_to_cpu(rp->tx_len);
1319 hdev->le_max_tx_time = le16_to_cpu(rp->tx_time);
1320 hdev->le_max_rx_len = le16_to_cpu(rp->rx_len);
1321 hdev->le_max_rx_time = le16_to_cpu(rp->rx_time);
1322}
1323
Gustavo Padovan6039aa732012-05-23 04:04:18 -03001324static void hci_cc_write_le_host_supported(struct hci_dev *hdev,
1325 struct sk_buff *skb)
Andre Guedesf9b49302011-06-30 19:20:53 -03001326{
Johan Hedberg06199cf2012-02-22 16:37:11 +02001327 struct hci_cp_write_le_host_supported *sent;
Andre Guedesf9b49302011-06-30 19:20:53 -03001328 __u8 status = *((__u8 *) skb->data);
1329
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +03001330 BT_DBG("%s status 0x%2.2x", hdev->name, status);
Andre Guedesf9b49302011-06-30 19:20:53 -03001331
Marcel Holtmann45296ac2014-07-05 10:48:01 +02001332 if (status)
1333 return;
1334
Johan Hedberg06199cf2012-02-22 16:37:11 +02001335 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED);
Johan Hedberg8f984df2012-02-28 01:07:22 +02001336 if (!sent)
Andre Guedesf9b49302011-06-30 19:20:53 -03001337 return;
1338
Jaganath Kanakkassery5c1a4c82014-12-11 18:58:15 +05301339 hci_dev_lock(hdev);
1340
Marcel Holtmann45296ac2014-07-05 10:48:01 +02001341 if (sent->le) {
1342 hdev->features[1][0] |= LMP_HOST_LE;
Marcel Holtmanna1536da2015-03-13 02:11:01 -07001343 hci_dev_set_flag(hdev, HCI_LE_ENABLED);
Marcel Holtmann45296ac2014-07-05 10:48:01 +02001344 } else {
1345 hdev->features[1][0] &= ~LMP_HOST_LE;
Marcel Holtmanna358dc12015-03-13 02:11:02 -07001346 hci_dev_clear_flag(hdev, HCI_LE_ENABLED);
1347 hci_dev_clear_flag(hdev, HCI_ADVERTISING);
Johan Hedberg8f984df2012-02-28 01:07:22 +02001348 }
Marcel Holtmann45296ac2014-07-05 10:48:01 +02001349
1350 if (sent->simul)
1351 hdev->features[1][0] |= LMP_HOST_LE_BREDR;
1352 else
1353 hdev->features[1][0] &= ~LMP_HOST_LE_BREDR;
Jaganath Kanakkassery5c1a4c82014-12-11 18:58:15 +05301354
1355 hci_dev_unlock(hdev);
Andre Guedesf9b49302011-06-30 19:20:53 -03001356}
1357
Johan Hedberg56ed2cb2014-02-27 14:05:40 +02001358static void hci_cc_set_adv_param(struct hci_dev *hdev, struct sk_buff *skb)
1359{
1360 struct hci_cp_le_set_adv_param *cp;
1361 u8 status = *((u8 *) skb->data);
1362
1363 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1364
1365 if (status)
1366 return;
1367
1368 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_PARAM);
1369 if (!cp)
1370 return;
1371
1372 hci_dev_lock(hdev);
1373 hdev->adv_addr_type = cp->own_address_type;
1374 hci_dev_unlock(hdev);
1375}
1376
Andrzej Kaczmarek5ae76a92014-05-08 15:32:08 +02001377static void hci_cc_read_rssi(struct hci_dev *hdev, struct sk_buff *skb)
1378{
1379 struct hci_rp_read_rssi *rp = (void *) skb->data;
1380 struct hci_conn *conn;
1381
1382 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1383
1384 if (rp->status)
1385 return;
1386
1387 hci_dev_lock(hdev);
1388
1389 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
1390 if (conn)
1391 conn->rssi = rp->rssi;
1392
1393 hci_dev_unlock(hdev);
1394}
1395
Andrzej Kaczmarek5a134fa2014-05-09 21:35:28 +02001396static void hci_cc_read_tx_power(struct hci_dev *hdev, struct sk_buff *skb)
1397{
1398 struct hci_cp_read_tx_power *sent;
1399 struct hci_rp_read_tx_power *rp = (void *) skb->data;
1400 struct hci_conn *conn;
1401
1402 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1403
1404 if (rp->status)
1405 return;
1406
1407 sent = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER);
1408 if (!sent)
1409 return;
1410
1411 hci_dev_lock(hdev);
1412
1413 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
Andrzej Kaczmarekd0455ed2014-05-14 13:43:05 +02001414 if (!conn)
1415 goto unlock;
Andrzej Kaczmarek5a134fa2014-05-09 21:35:28 +02001416
Andrzej Kaczmarekd0455ed2014-05-14 13:43:05 +02001417 switch (sent->type) {
1418 case 0x00:
1419 conn->tx_power = rp->tx_power;
1420 break;
1421 case 0x01:
1422 conn->max_tx_power = rp->tx_power;
1423 break;
1424 }
1425
1426unlock:
Andrzej Kaczmarek5a134fa2014-05-09 21:35:28 +02001427 hci_dev_unlock(hdev);
1428}
1429
Marcel Holtmannc50b33c2015-01-31 15:07:52 -08001430static void hci_cc_write_ssp_debug_mode(struct hci_dev *hdev, struct sk_buff *skb)
1431{
1432 u8 status = *((u8 *) skb->data);
1433 u8 *mode;
1434
1435 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1436
1437 if (status)
1438 return;
1439
1440 mode = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE);
1441 if (mode)
1442 hdev->ssp_debug_mode = *mode;
1443}
1444
Gustavo Padovan6039aa732012-05-23 04:04:18 -03001445static void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
Marcel Holtmanna9de9242007-10-20 13:33:56 +02001446{
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +03001447 BT_DBG("%s status 0x%2.2x", hdev->name, status);
Marcel Holtmanna9de9242007-10-20 13:33:56 +02001448
1449 if (status) {
Marcel Holtmanna9de9242007-10-20 13:33:56 +02001450 hci_conn_check_pending(hdev);
Johan Hedberg314b2382011-04-27 10:29:57 -04001451 return;
1452 }
1453
Andre Guedes89352e72011-11-04 14:16:53 -03001454 set_bit(HCI_INQUIRY, &hdev->flags);
Marcel Holtmanna9de9242007-10-20 13:33:56 +02001455}
1456
Gustavo Padovan6039aa732012-05-23 04:04:18 -03001457static void hci_cs_create_conn(struct hci_dev *hdev, __u8 status)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001458{
Marcel Holtmanna9de9242007-10-20 13:33:56 +02001459 struct hci_cp_create_conn *cp;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001460 struct hci_conn *conn;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001461
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +03001462 BT_DBG("%s status 0x%2.2x", hdev->name, status);
Marcel Holtmanna9de9242007-10-20 13:33:56 +02001463
1464 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001465 if (!cp)
1466 return;
1467
1468 hci_dev_lock(hdev);
1469
1470 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1471
Andrei Emeltchenko6ed93dc2012-09-25 12:49:43 +03001472 BT_DBG("%s bdaddr %pMR hcon %p", hdev->name, &cp->bdaddr, conn);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001473
1474 if (status) {
1475 if (conn && conn->state == BT_CONNECT) {
Marcel Holtmann4c67bc72006-10-15 17:30:56 +02001476 if (status != 0x0c || conn->attempt > 2) {
1477 conn->state = BT_CLOSED;
Johan Hedberg539c4962015-02-18 14:53:57 +02001478 hci_connect_cfm(conn, status);
Marcel Holtmann4c67bc72006-10-15 17:30:56 +02001479 hci_conn_del(conn);
1480 } else
1481 conn->state = BT_CONNECT2;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001482 }
1483 } else {
1484 if (!conn) {
Johan Hedberga5c4e302014-07-16 11:56:07 +03001485 conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr,
1486 HCI_ROLE_MASTER);
1487 if (!conn)
Gustavo F. Padovan893ef972010-07-18 15:13:37 -03001488 BT_ERR("No memory for new connection");
Linus Torvalds1da177e2005-04-16 15:20:36 -07001489 }
1490 }
1491
1492 hci_dev_unlock(hdev);
1493}
1494
Marcel Holtmanna9de9242007-10-20 13:33:56 +02001495static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001496{
Marcel Holtmanna9de9242007-10-20 13:33:56 +02001497 struct hci_cp_add_sco *cp;
1498 struct hci_conn *acl, *sco;
1499 __u16 handle;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001500
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +03001501 BT_DBG("%s status 0x%2.2x", hdev->name, status);
Marcel Holtmannb6a0dc82007-10-20 14:55:10 +02001502
Marcel Holtmanna9de9242007-10-20 13:33:56 +02001503 if (!status)
1504 return;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001505
Marcel Holtmanna9de9242007-10-20 13:33:56 +02001506 cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO);
1507 if (!cp)
1508 return;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001509
Marcel Holtmanna9de9242007-10-20 13:33:56 +02001510 handle = __le16_to_cpu(cp->handle);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001511
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +03001512 BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
Marcel Holtmann6bd57412006-11-18 22:14:22 +01001513
1514 hci_dev_lock(hdev);
1515
Marcel Holtmanna9de9242007-10-20 13:33:56 +02001516 acl = hci_conn_hash_lookup_handle(hdev, handle);
Andrei Emeltchenko5a08ecc2011-01-11 17:20:20 +02001517 if (acl) {
1518 sco = acl->link;
1519 if (sco) {
1520 sco->state = BT_CLOSED;
Marcel Holtmanna9de9242007-10-20 13:33:56 +02001521
Johan Hedberg539c4962015-02-18 14:53:57 +02001522 hci_connect_cfm(sco, status);
Andrei Emeltchenko5a08ecc2011-01-11 17:20:20 +02001523 hci_conn_del(sco);
1524 }
Marcel Holtmanna9de9242007-10-20 13:33:56 +02001525 }
Marcel Holtmann6bd57412006-11-18 22:14:22 +01001526
1527 hci_dev_unlock(hdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001528}
1529
Marcel Holtmannf8558552008-07-14 20:13:49 +02001530static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status)
1531{
1532 struct hci_cp_auth_requested *cp;
1533 struct hci_conn *conn;
1534
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +03001535 BT_DBG("%s status 0x%2.2x", hdev->name, status);
Marcel Holtmannf8558552008-07-14 20:13:49 +02001536
1537 if (!status)
1538 return;
1539
1540 cp = hci_sent_cmd_data(hdev, HCI_OP_AUTH_REQUESTED);
1541 if (!cp)
1542 return;
1543
1544 hci_dev_lock(hdev);
1545
1546 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1547 if (conn) {
1548 if (conn->state == BT_CONFIG) {
Johan Hedberg539c4962015-02-18 14:53:57 +02001549 hci_connect_cfm(conn, status);
David Herrmann76a68ba2013-04-06 20:28:37 +02001550 hci_conn_drop(conn);
Marcel Holtmannf8558552008-07-14 20:13:49 +02001551 }
1552 }
1553
1554 hci_dev_unlock(hdev);
1555}
1556
1557static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status)
1558{
1559 struct hci_cp_set_conn_encrypt *cp;
1560 struct hci_conn *conn;
1561
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +03001562 BT_DBG("%s status 0x%2.2x", hdev->name, status);
Marcel Holtmannf8558552008-07-14 20:13:49 +02001563
1564 if (!status)
1565 return;
1566
1567 cp = hci_sent_cmd_data(hdev, HCI_OP_SET_CONN_ENCRYPT);
1568 if (!cp)
1569 return;
1570
1571 hci_dev_lock(hdev);
1572
1573 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1574 if (conn) {
1575 if (conn->state == BT_CONFIG) {
Johan Hedberg539c4962015-02-18 14:53:57 +02001576 hci_connect_cfm(conn, status);
David Herrmann76a68ba2013-04-06 20:28:37 +02001577 hci_conn_drop(conn);
Marcel Holtmannf8558552008-07-14 20:13:49 +02001578 }
1579 }
1580
1581 hci_dev_unlock(hdev);
1582}
1583
Johan Hedberg127178d2010-11-18 22:22:29 +02001584static int hci_outgoing_auth_needed(struct hci_dev *hdev,
Gustavo Padovan807deac2012-05-17 00:36:24 -03001585 struct hci_conn *conn)
Johan Hedberg392599b2010-11-18 22:22:28 +02001586{
Johan Hedberg392599b2010-11-18 22:22:28 +02001587 if (conn->state != BT_CONFIG || !conn->out)
1588 return 0;
1589
Johan Hedberg765c2a92011-01-19 12:06:52 +05301590 if (conn->pending_sec_level == BT_SECURITY_SDP)
Johan Hedberg392599b2010-11-18 22:22:28 +02001591 return 0;
1592
1593 /* Only request authentication for SSP connections or non-SSP
Johan Hedberg264b8b42014-01-08 16:40:39 +02001594 * devices with sec_level MEDIUM or HIGH or if MITM protection
1595 * is requested.
1596 */
Gustavo Padovan807deac2012-05-17 00:36:24 -03001597 if (!hci_conn_ssp_enabled(conn) && !(conn->auth_type & 0x01) &&
Johan Hedberg7e3691e2014-05-30 14:45:19 +03001598 conn->pending_sec_level != BT_SECURITY_FIPS &&
Johan Hedberg264b8b42014-01-08 16:40:39 +02001599 conn->pending_sec_level != BT_SECURITY_HIGH &&
1600 conn->pending_sec_level != BT_SECURITY_MEDIUM)
Johan Hedberg392599b2010-11-18 22:22:28 +02001601 return 0;
1602
Johan Hedberg392599b2010-11-18 22:22:28 +02001603 return 1;
1604}
1605
Gustavo Padovan6039aa732012-05-23 04:04:18 -03001606static int hci_resolve_name(struct hci_dev *hdev,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03001607 struct inquiry_entry *e)
Johan Hedberg30dc78e2012-01-04 15:44:20 +02001608{
1609 struct hci_cp_remote_name_req cp;
1610
1611 memset(&cp, 0, sizeof(cp));
1612
1613 bacpy(&cp.bdaddr, &e->data.bdaddr);
1614 cp.pscan_rep_mode = e->data.pscan_rep_mode;
1615 cp.pscan_mode = e->data.pscan_mode;
1616 cp.clock_offset = e->data.clock_offset;
1617
1618 return hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
1619}
1620
Johan Hedbergb644ba32012-01-17 21:48:47 +02001621static bool hci_resolve_next_name(struct hci_dev *hdev)
Johan Hedberg30dc78e2012-01-04 15:44:20 +02001622{
1623 struct discovery_state *discov = &hdev->discovery;
1624 struct inquiry_entry *e;
1625
Johan Hedbergb644ba32012-01-17 21:48:47 +02001626 if (list_empty(&discov->resolve))
1627 return false;
1628
1629 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
Ram Malovanyc8100892012-07-19 10:26:09 +03001630 if (!e)
1631 return false;
1632
Johan Hedbergb644ba32012-01-17 21:48:47 +02001633 if (hci_resolve_name(hdev, e) == 0) {
1634 e->name_state = NAME_PENDING;
1635 return true;
1636 }
1637
1638 return false;
1639}
1640
1641static void hci_check_pending_name(struct hci_dev *hdev, struct hci_conn *conn,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03001642 bdaddr_t *bdaddr, u8 *name, u8 name_len)
Johan Hedbergb644ba32012-01-17 21:48:47 +02001643{
1644 struct discovery_state *discov = &hdev->discovery;
1645 struct inquiry_entry *e;
1646
Johan Hedberg60cb49d2014-11-11 11:33:24 +02001647 /* Update the mgmt connected state if necessary. Be careful with
1648 * conn objects that exist but are not (yet) connected however.
1649 * Only those in BT_CONFIG or BT_CONNECTED states can be
1650 * considered connected.
1651 */
1652 if (conn &&
1653 (conn->state == BT_CONFIG || conn->state == BT_CONNECTED) &&
Jaganath Kanakkasserycb77c3e2014-11-07 16:39:09 +05301654 !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
Alfonso Acosta48ec92f2014-10-07 08:44:10 +00001655 mgmt_device_connected(hdev, conn, 0, name, name_len);
Johan Hedbergb644ba32012-01-17 21:48:47 +02001656
1657 if (discov->state == DISCOVERY_STOPPED)
1658 return;
1659
Johan Hedberg30dc78e2012-01-04 15:44:20 +02001660 if (discov->state == DISCOVERY_STOPPING)
1661 goto discov_complete;
1662
1663 if (discov->state != DISCOVERY_RESOLVING)
1664 return;
1665
1666 e = hci_inquiry_cache_lookup_resolve(hdev, bdaddr, NAME_PENDING);
Ram Malovany7cc83802012-07-19 10:26:10 +03001667 /* If the device was not found in a list of found devices names of which
1668 * are pending. there is no need to continue resolving a next name as it
1669 * will be done upon receiving another Remote Name Request Complete
1670 * Event */
1671 if (!e)
1672 return;
1673
1674 list_del(&e->list);
1675 if (name) {
Johan Hedberg30dc78e2012-01-04 15:44:20 +02001676 e->name_state = NAME_KNOWN;
Ram Malovany7cc83802012-07-19 10:26:10 +03001677 mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00,
1678 e->data.rssi, name, name_len);
Ram Malovanyc3e7c0d2012-07-19 10:26:11 +03001679 } else {
1680 e->name_state = NAME_NOT_KNOWN;
Johan Hedberg30dc78e2012-01-04 15:44:20 +02001681 }
1682
Johan Hedbergb644ba32012-01-17 21:48:47 +02001683 if (hci_resolve_next_name(hdev))
Johan Hedberg30dc78e2012-01-04 15:44:20 +02001684 return;
Johan Hedberg30dc78e2012-01-04 15:44:20 +02001685
1686discov_complete:
1687 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1688}
1689
Marcel Holtmanna9de9242007-10-20 13:33:56 +02001690static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status)
1691{
Johan Hedberg127178d2010-11-18 22:22:29 +02001692 struct hci_cp_remote_name_req *cp;
1693 struct hci_conn *conn;
1694
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +03001695 BT_DBG("%s status 0x%2.2x", hdev->name, status);
Johan Hedberg127178d2010-11-18 22:22:29 +02001696
1697 /* If successful wait for the name req complete event before
1698 * checking for the need to do authentication */
1699 if (!status)
1700 return;
1701
1702 cp = hci_sent_cmd_data(hdev, HCI_OP_REMOTE_NAME_REQ);
1703 if (!cp)
1704 return;
1705
1706 hci_dev_lock(hdev);
1707
1708 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
Johan Hedbergb644ba32012-01-17 21:48:47 +02001709
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07001710 if (hci_dev_test_flag(hdev, HCI_MGMT))
Johan Hedbergb644ba32012-01-17 21:48:47 +02001711 hci_check_pending_name(hdev, conn, &cp->bdaddr, NULL, 0);
1712
Johan Hedberg79c6c702011-04-28 11:28:55 -07001713 if (!conn)
1714 goto unlock;
1715
1716 if (!hci_outgoing_auth_needed(hdev, conn))
1717 goto unlock;
1718
Johan Hedberg51a8efd2012-01-16 06:10:31 +02001719 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
Johannes Bergc1f23a22013-10-07 18:19:16 +02001720 struct hci_cp_auth_requested auth_cp;
1721
Johan Hedberg977f8fc2014-07-17 15:35:39 +03001722 set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags);
1723
Johannes Bergc1f23a22013-10-07 18:19:16 +02001724 auth_cp.handle = __cpu_to_le16(conn->handle);
1725 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED,
1726 sizeof(auth_cp), &auth_cp);
Johan Hedberg127178d2010-11-18 22:22:29 +02001727 }
1728
Johan Hedberg79c6c702011-04-28 11:28:55 -07001729unlock:
Johan Hedberg127178d2010-11-18 22:22:29 +02001730 hci_dev_unlock(hdev);
Marcel Holtmanna9de9242007-10-20 13:33:56 +02001731}
1732
Marcel Holtmann769be972008-07-14 20:13:49 +02001733static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status)
1734{
1735 struct hci_cp_read_remote_features *cp;
1736 struct hci_conn *conn;
1737
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +03001738 BT_DBG("%s status 0x%2.2x", hdev->name, status);
Marcel Holtmann769be972008-07-14 20:13:49 +02001739
1740 if (!status)
1741 return;
1742
1743 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_FEATURES);
1744 if (!cp)
1745 return;
1746
1747 hci_dev_lock(hdev);
1748
1749 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1750 if (conn) {
1751 if (conn->state == BT_CONFIG) {
Johan Hedberg539c4962015-02-18 14:53:57 +02001752 hci_connect_cfm(conn, status);
David Herrmann76a68ba2013-04-06 20:28:37 +02001753 hci_conn_drop(conn);
Marcel Holtmann769be972008-07-14 20:13:49 +02001754 }
1755 }
1756
1757 hci_dev_unlock(hdev);
1758}
1759
1760static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status)
1761{
1762 struct hci_cp_read_remote_ext_features *cp;
1763 struct hci_conn *conn;
1764
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +03001765 BT_DBG("%s status 0x%2.2x", hdev->name, status);
Marcel Holtmann769be972008-07-14 20:13:49 +02001766
1767 if (!status)
1768 return;
1769
1770 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES);
1771 if (!cp)
1772 return;
1773
1774 hci_dev_lock(hdev);
1775
1776 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1777 if (conn) {
1778 if (conn->state == BT_CONFIG) {
Johan Hedberg539c4962015-02-18 14:53:57 +02001779 hci_connect_cfm(conn, status);
David Herrmann76a68ba2013-04-06 20:28:37 +02001780 hci_conn_drop(conn);
Marcel Holtmann769be972008-07-14 20:13:49 +02001781 }
1782 }
1783
1784 hci_dev_unlock(hdev);
1785}
1786
Marcel Holtmanna9de9242007-10-20 13:33:56 +02001787static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status)
1788{
Marcel Holtmannb6a0dc82007-10-20 14:55:10 +02001789 struct hci_cp_setup_sync_conn *cp;
1790 struct hci_conn *acl, *sco;
1791 __u16 handle;
1792
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +03001793 BT_DBG("%s status 0x%2.2x", hdev->name, status);
Marcel Holtmannb6a0dc82007-10-20 14:55:10 +02001794
1795 if (!status)
1796 return;
1797
1798 cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN);
1799 if (!cp)
1800 return;
1801
1802 handle = __le16_to_cpu(cp->handle);
1803
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +03001804 BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
Marcel Holtmannb6a0dc82007-10-20 14:55:10 +02001805
1806 hci_dev_lock(hdev);
1807
1808 acl = hci_conn_hash_lookup_handle(hdev, handle);
Andrei Emeltchenko5a08ecc2011-01-11 17:20:20 +02001809 if (acl) {
1810 sco = acl->link;
1811 if (sco) {
1812 sco->state = BT_CLOSED;
Marcel Holtmannb6a0dc82007-10-20 14:55:10 +02001813
Johan Hedberg539c4962015-02-18 14:53:57 +02001814 hci_connect_cfm(sco, status);
Andrei Emeltchenko5a08ecc2011-01-11 17:20:20 +02001815 hci_conn_del(sco);
1816 }
Marcel Holtmannb6a0dc82007-10-20 14:55:10 +02001817 }
1818
1819 hci_dev_unlock(hdev);
Marcel Holtmanna9de9242007-10-20 13:33:56 +02001820}
1821
1822static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status)
1823{
1824 struct hci_cp_sniff_mode *cp;
1825 struct hci_conn *conn;
1826
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +03001827 BT_DBG("%s status 0x%2.2x", hdev->name, status);
Marcel Holtmanna9de9242007-10-20 13:33:56 +02001828
1829 if (!status)
1830 return;
1831
1832 cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE);
1833 if (!cp)
1834 return;
1835
1836 hci_dev_lock(hdev);
1837
1838 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
Marcel Holtmanne73439d2010-07-26 10:06:00 -04001839 if (conn) {
Johan Hedberg51a8efd2012-01-16 06:10:31 +02001840 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
Marcel Holtmanna9de9242007-10-20 13:33:56 +02001841
Johan Hedberg51a8efd2012-01-16 06:10:31 +02001842 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
Marcel Holtmanne73439d2010-07-26 10:06:00 -04001843 hci_sco_setup(conn, status);
1844 }
1845
Marcel Holtmanna9de9242007-10-20 13:33:56 +02001846 hci_dev_unlock(hdev);
1847}
1848
1849static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status)
1850{
1851 struct hci_cp_exit_sniff_mode *cp;
1852 struct hci_conn *conn;
1853
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +03001854 BT_DBG("%s status 0x%2.2x", hdev->name, status);
Marcel Holtmanna9de9242007-10-20 13:33:56 +02001855
1856 if (!status)
1857 return;
1858
1859 cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE);
1860 if (!cp)
1861 return;
1862
1863 hci_dev_lock(hdev);
1864
1865 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
Marcel Holtmanne73439d2010-07-26 10:06:00 -04001866 if (conn) {
Johan Hedberg51a8efd2012-01-16 06:10:31 +02001867 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
Marcel Holtmanna9de9242007-10-20 13:33:56 +02001868
Johan Hedberg51a8efd2012-01-16 06:10:31 +02001869 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
Marcel Holtmanne73439d2010-07-26 10:06:00 -04001870 hci_sco_setup(conn, status);
1871 }
1872
Marcel Holtmanna9de9242007-10-20 13:33:56 +02001873 hci_dev_unlock(hdev);
1874}
1875
Johan Hedberg88c3df12012-02-09 14:27:38 +02001876static void hci_cs_disconnect(struct hci_dev *hdev, u8 status)
1877{
1878 struct hci_cp_disconnect *cp;
1879 struct hci_conn *conn;
1880
1881 if (!status)
1882 return;
1883
1884 cp = hci_sent_cmd_data(hdev, HCI_OP_DISCONNECT);
1885 if (!cp)
1886 return;
1887
1888 hci_dev_lock(hdev);
1889
1890 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1891 if (conn)
1892 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03001893 conn->dst_type, status);
Johan Hedberg88c3df12012-02-09 14:27:38 +02001894
1895 hci_dev_unlock(hdev);
1896}
1897
Johan Hedbergcb1d68f2014-02-28 12:54:16 +02001898static void hci_cs_le_create_conn(struct hci_dev *hdev, u8 status)
1899{
1900 struct hci_cp_le_create_conn *cp;
1901 struct hci_conn *conn;
1902
1903 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1904
1905 /* All connection failure handling is taken care of by the
1906 * hci_le_conn_failed function which is triggered by the HCI
1907 * request completion callbacks used for connecting.
1908 */
1909 if (status)
1910 return;
1911
1912 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_CREATE_CONN);
1913 if (!cp)
1914 return;
1915
1916 hci_dev_lock(hdev);
1917
Johan Hedberg9d4c1cc2015-10-21 18:03:01 +03001918 conn = hci_conn_hash_lookup_le(hdev, &cp->peer_addr,
1919 cp->peer_addr_type);
Johan Hedbergcb1d68f2014-02-28 12:54:16 +02001920 if (!conn)
1921 goto unlock;
1922
1923 /* Store the initiator and responder address information which
1924 * is needed for SMP. These values will not change during the
1925 * lifetime of the connection.
1926 */
1927 conn->init_addr_type = cp->own_address_type;
1928 if (cp->own_address_type == ADDR_LE_DEV_RANDOM)
1929 bacpy(&conn->init_addr, &hdev->random_addr);
1930 else
1931 bacpy(&conn->init_addr, &hdev->bdaddr);
1932
1933 conn->resp_addr_type = cp->peer_addr_type;
1934 bacpy(&conn->resp_addr, &cp->peer_addr);
1935
Johan Hedberg9489eca2014-02-28 17:45:46 +02001936 /* We don't want the connection attempt to stick around
1937 * indefinitely since LE doesn't have a page timeout concept
1938 * like BR/EDR. Set a timer for any connection that doesn't use
1939 * the white list for connecting.
1940 */
1941 if (cp->filter_policy == HCI_LE_USE_PEER_ADDR)
1942 queue_delayed_work(conn->hdev->workqueue,
1943 &conn->le_conn_timeout,
Johan Hedberg09ae2602014-07-06 13:41:15 +03001944 conn->conn_timeout);
Johan Hedberg9489eca2014-02-28 17:45:46 +02001945
Johan Hedbergcb1d68f2014-02-28 12:54:16 +02001946unlock:
1947 hci_dev_unlock(hdev);
1948}
1949
Marcel Holtmann0fe29fd2015-04-08 09:05:27 -07001950static void hci_cs_le_read_remote_features(struct hci_dev *hdev, u8 status)
1951{
1952 struct hci_cp_le_read_remote_features *cp;
1953 struct hci_conn *conn;
1954
1955 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1956
1957 if (!status)
1958 return;
1959
1960 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_READ_REMOTE_FEATURES);
1961 if (!cp)
1962 return;
1963
1964 hci_dev_lock(hdev);
1965
1966 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1967 if (conn) {
1968 if (conn->state == BT_CONFIG) {
1969 hci_connect_cfm(conn, status);
1970 hci_conn_drop(conn);
1971 }
1972 }
1973
1974 hci_dev_unlock(hdev);
1975}
1976
Johan Hedberg81d0c8a2014-03-24 14:39:04 +02001977static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status)
1978{
1979 struct hci_cp_le_start_enc *cp;
1980 struct hci_conn *conn;
1981
1982 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1983
1984 if (!status)
1985 return;
1986
1987 hci_dev_lock(hdev);
1988
1989 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_START_ENC);
1990 if (!cp)
1991 goto unlock;
1992
1993 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1994 if (!conn)
1995 goto unlock;
1996
1997 if (conn->state != BT_CONNECTED)
1998 goto unlock;
1999
2000 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
2001 hci_conn_drop(conn);
2002
2003unlock:
2004 hci_dev_unlock(hdev);
2005}
2006
Kuba Pawlak50fc85f2014-11-06 19:36:52 +01002007static void hci_cs_switch_role(struct hci_dev *hdev, u8 status)
2008{
2009 struct hci_cp_switch_role *cp;
2010 struct hci_conn *conn;
2011
2012 BT_DBG("%s status 0x%2.2x", hdev->name, status);
2013
2014 if (!status)
2015 return;
2016
2017 cp = hci_sent_cmd_data(hdev, HCI_OP_SWITCH_ROLE);
2018 if (!cp)
2019 return;
2020
2021 hci_dev_lock(hdev);
2022
2023 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
2024 if (conn)
2025 clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
2026
2027 hci_dev_unlock(hdev);
2028}
2029
Gustavo Padovan6039aa732012-05-23 04:04:18 -03002030static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002031{
2032 __u8 status = *((__u8 *) skb->data);
Johan Hedberg30dc78e2012-01-04 15:44:20 +02002033 struct discovery_state *discov = &hdev->discovery;
2034 struct inquiry_entry *e;
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002035
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +03002036 BT_DBG("%s status 0x%2.2x", hdev->name, status);
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002037
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002038 hci_conn_check_pending(hdev);
Andre Guedes89352e72011-11-04 14:16:53 -03002039
2040 if (!test_and_clear_bit(HCI_INQUIRY, &hdev->flags))
2041 return;
2042
Peter Zijlstra4e857c52014-03-17 18:06:10 +01002043 smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */
Andre Guedes3e13fa12013-03-27 20:04:56 -03002044 wake_up_bit(&hdev->flags, HCI_INQUIRY);
2045
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07002046 if (!hci_dev_test_flag(hdev, HCI_MGMT))
Johan Hedberg30dc78e2012-01-04 15:44:20 +02002047 return;
2048
Johan Hedberg56e5cb82011-11-08 20:40:16 +02002049 hci_dev_lock(hdev);
Johan Hedberg30dc78e2012-01-04 15:44:20 +02002050
Andre Guedes343f9352012-02-17 20:39:37 -03002051 if (discov->state != DISCOVERY_FINDING)
Johan Hedberg30dc78e2012-01-04 15:44:20 +02002052 goto unlock;
2053
2054 if (list_empty(&discov->resolve)) {
Jakub Pawlowski07d23342015-03-17 09:04:14 -07002055 /* When BR/EDR inquiry is active and no LE scanning is in
2056 * progress, then change discovery state to indicate completion.
2057 *
2058 * When running LE scanning and BR/EDR inquiry simultaneously
2059 * and the LE scan already finished, then change the discovery
2060 * state to indicate completion.
2061 */
2062 if (!hci_dev_test_flag(hdev, HCI_LE_SCAN) ||
2063 !test_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks))
2064 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
Johan Hedberg30dc78e2012-01-04 15:44:20 +02002065 goto unlock;
2066 }
2067
2068 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
2069 if (e && hci_resolve_name(hdev, e) == 0) {
2070 e->name_state = NAME_PENDING;
2071 hci_discovery_set_state(hdev, DISCOVERY_RESOLVING);
2072 } else {
Jakub Pawlowski07d23342015-03-17 09:04:14 -07002073 /* When BR/EDR inquiry is active and no LE scanning is in
2074 * progress, then change discovery state to indicate completion.
2075 *
2076 * When running LE scanning and BR/EDR inquiry simultaneously
2077 * and the LE scan already finished, then change the discovery
2078 * state to indicate completion.
2079 */
2080 if (!hci_dev_test_flag(hdev, HCI_LE_SCAN) ||
2081 !test_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks))
2082 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
Johan Hedberg30dc78e2012-01-04 15:44:20 +02002083 }
2084
2085unlock:
Johan Hedberg56e5cb82011-11-08 20:40:16 +02002086 hci_dev_unlock(hdev);
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002087}
2088
Gustavo Padovan6039aa732012-05-23 04:04:18 -03002089static void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002090{
Marcel Holtmann45bb4bf2005-08-09 20:27:49 -07002091 struct inquiry_data data;
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002092 struct inquiry_info *info = (void *) (skb->data + 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002093 int num_rsp = *((__u8 *) skb->data);
2094
2095 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
2096
Marcel Holtmann45bb4bf2005-08-09 20:27:49 -07002097 if (!num_rsp)
2098 return;
2099
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07002100 if (hci_dev_test_flag(hdev, HCI_PERIODIC_INQ))
Andre Guedes1519cc12012-03-21 00:03:38 -03002101 return;
2102
Linus Torvalds1da177e2005-04-16 15:20:36 -07002103 hci_dev_lock(hdev);
Marcel Holtmann45bb4bf2005-08-09 20:27:49 -07002104
Johan Hedberge17acd42011-03-30 23:57:16 +03002105 for (; num_rsp; num_rsp--, info++) {
Marcel Holtmannaf589252014-07-01 14:11:20 +02002106 u32 flags;
Johan Hedberg31754052012-01-04 13:39:52 +02002107
Linus Torvalds1da177e2005-04-16 15:20:36 -07002108 bacpy(&data.bdaddr, &info->bdaddr);
2109 data.pscan_rep_mode = info->pscan_rep_mode;
2110 data.pscan_period_mode = info->pscan_period_mode;
2111 data.pscan_mode = info->pscan_mode;
2112 memcpy(data.dev_class, info->dev_class, 3);
2113 data.clock_offset = info->clock_offset;
Marcel Holtmannefb25132014-12-05 13:03:34 +01002114 data.rssi = HCI_RSSI_INVALID;
Marcel Holtmann41a96212008-07-14 20:13:48 +02002115 data.ssp_mode = 0x00;
Johan Hedberg31754052012-01-04 13:39:52 +02002116
Marcel Holtmannaf589252014-07-01 14:11:20 +02002117 flags = hci_inquiry_cache_update(hdev, &data, false);
2118
Johan Hedberg48264f02011-11-09 13:58:58 +02002119 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
Marcel Holtmannefb25132014-12-05 13:03:34 +01002120 info->dev_class, HCI_RSSI_INVALID,
2121 flags, NULL, 0, NULL, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002122 }
Marcel Holtmann45bb4bf2005-08-09 20:27:49 -07002123
Linus Torvalds1da177e2005-04-16 15:20:36 -07002124 hci_dev_unlock(hdev);
2125}
2126
Gustavo Padovan6039aa732012-05-23 04:04:18 -03002127static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002128{
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002129 struct hci_ev_conn_complete *ev = (void *) skb->data;
2130 struct hci_conn *conn;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002131
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002132 BT_DBG("%s", hdev->name);
Marcel Holtmann45bb4bf2005-08-09 20:27:49 -07002133
Linus Torvalds1da177e2005-04-16 15:20:36 -07002134 hci_dev_lock(hdev);
Marcel Holtmann45bb4bf2005-08-09 20:27:49 -07002135
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002136 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
Marcel Holtmann94992372009-04-19 19:30:03 +02002137 if (!conn) {
2138 if (ev->link_type != SCO_LINK)
2139 goto unlock;
2140
2141 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
2142 if (!conn)
2143 goto unlock;
2144
2145 conn->type = SCO_LINK;
2146 }
Marcel Holtmann45bb4bf2005-08-09 20:27:49 -07002147
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002148 if (!ev->status) {
2149 conn->handle = __le16_to_cpu(ev->handle);
Marcel Holtmann769be972008-07-14 20:13:49 +02002150
2151 if (conn->type == ACL_LINK) {
2152 conn->state = BT_CONFIG;
2153 hci_conn_hold(conn);
Szymon Janca9ea3ed2012-07-19 14:46:08 +02002154
2155 if (!conn->out && !hci_conn_ssp_enabled(conn) &&
2156 !hci_find_link_key(hdev, &ev->bdaddr))
2157 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
2158 else
2159 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
Marcel Holtmann769be972008-07-14 20:13:49 +02002160 } else
2161 conn->state = BT_CONNECTED;
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002162
Marcel Holtmann23b9ceb2014-12-20 17:13:41 +01002163 hci_debugfs_create_conn(conn);
Marcel Holtmann7d0db0a2008-07-14 20:13:51 +02002164 hci_conn_add_sysfs(conn);
2165
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002166 if (test_bit(HCI_AUTH, &hdev->flags))
Johan Hedberg4dae2792014-06-24 17:03:50 +03002167 set_bit(HCI_CONN_AUTH, &conn->flags);
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002168
2169 if (test_bit(HCI_ENCRYPT, &hdev->flags))
Johan Hedberg4dae2792014-06-24 17:03:50 +03002170 set_bit(HCI_CONN_ENCRYPT, &conn->flags);
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002171
2172 /* Get remote features */
2173 if (conn->type == ACL_LINK) {
2174 struct hci_cp_read_remote_features cp;
2175 cp.handle = ev->handle;
Marcel Holtmann769be972008-07-14 20:13:49 +02002176 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03002177 sizeof(cp), &cp);
Johan Hedberg22f433d2014-08-01 11:13:32 +03002178
Johan Hedberg01b1cb82015-11-16 12:52:21 +02002179 hci_req_update_scan(hdev);
Marcel Holtmann45bb4bf2005-08-09 20:27:49 -07002180 }
Marcel Holtmann45bb4bf2005-08-09 20:27:49 -07002181
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002182 /* Set packet type for incoming connection */
Andrei Emeltchenkod095c1e2011-12-01 14:33:27 +02002183 if (!conn->out && hdev->hci_ver < BLUETOOTH_VER_2_0) {
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002184 struct hci_cp_change_conn_ptype cp;
2185 cp.handle = ev->handle;
Marcel Holtmanna8746412008-07-14 20:13:46 +02002186 cp.pkt_type = cpu_to_le16(conn->pkt_type);
Gustavo F. Padovan04124682012-03-08 01:25:00 -03002187 hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp),
2188 &cp);
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002189 }
Johan Hedberg17d5c042011-01-22 06:09:08 +02002190 } else {
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002191 conn->state = BT_CLOSED;
Johan Hedberg17d5c042011-01-22 06:09:08 +02002192 if (conn->type == ACL_LINK)
Marcel Holtmann64c7b772014-02-18 14:22:20 -08002193 mgmt_connect_failed(hdev, &conn->dst, conn->type,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03002194 conn->dst_type, ev->status);
Johan Hedberg17d5c042011-01-22 06:09:08 +02002195 }
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002196
Marcel Holtmanne73439d2010-07-26 10:06:00 -04002197 if (conn->type == ACL_LINK)
2198 hci_sco_setup(conn, ev->status);
Marcel Holtmann45bb4bf2005-08-09 20:27:49 -07002199
Marcel Holtmann769be972008-07-14 20:13:49 +02002200 if (ev->status) {
Johan Hedberg539c4962015-02-18 14:53:57 +02002201 hci_connect_cfm(conn, ev->status);
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002202 hci_conn_del(conn);
Marcel Holtmannc89b6e62009-01-15 21:57:03 +01002203 } else if (ev->link_type != ACL_LINK)
Johan Hedberg539c4962015-02-18 14:53:57 +02002204 hci_connect_cfm(conn, ev->status);
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002205
2206unlock:
Linus Torvalds1da177e2005-04-16 15:20:36 -07002207 hci_dev_unlock(hdev);
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002208
2209 hci_conn_check_pending(hdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002210}
2211
Johan Hedberg70c46422014-07-09 12:59:17 +03002212static void hci_reject_conn(struct hci_dev *hdev, bdaddr_t *bdaddr)
2213{
2214 struct hci_cp_reject_conn_req cp;
2215
2216 bacpy(&cp.bdaddr, bdaddr);
2217 cp.reason = HCI_ERROR_REJ_BAD_ADDR;
2218 hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp);
2219}
2220
Gustavo Padovan6039aa732012-05-23 04:04:18 -03002221static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002222{
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002223 struct hci_ev_conn_request *ev = (void *) skb->data;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002224 int mask = hdev->link_mode;
Johan Hedberg70c46422014-07-09 12:59:17 +03002225 struct inquiry_entry *ie;
2226 struct hci_conn *conn;
Frédéric Dalleau20714bf2012-11-21 10:51:12 +01002227 __u8 flags = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002228
Andrei Emeltchenko6ed93dc2012-09-25 12:49:43 +03002229 BT_DBG("%s bdaddr %pMR type 0x%x", hdev->name, &ev->bdaddr,
Gustavo Padovan807deac2012-05-17 00:36:24 -03002230 ev->link_type);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002231
Frédéric Dalleau20714bf2012-11-21 10:51:12 +01002232 mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type,
2233 &flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002234
Johan Hedberg70c46422014-07-09 12:59:17 +03002235 if (!(mask & HCI_LM_ACCEPT)) {
2236 hci_reject_conn(hdev, &ev->bdaddr);
2237 return;
2238 }
2239
Johan Hedberg46c4c942014-07-16 16:19:21 +03002240 if (hci_bdaddr_list_lookup(&hdev->blacklist, &ev->bdaddr,
2241 BDADDR_BREDR)) {
2242 hci_reject_conn(hdev, &ev->bdaddr);
2243 return;
2244 }
2245
Johan Hedberg6a8fc952014-12-24 20:43:11 +02002246 /* Require HCI_CONNECTABLE or a whitelist entry to accept the
2247 * connection. These features are only touched through mgmt so
2248 * only do the checks if HCI_MGMT is set.
2249 */
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07002250 if (hci_dev_test_flag(hdev, HCI_MGMT) &&
2251 !hci_dev_test_flag(hdev, HCI_CONNECTABLE) &&
Johan Hedberg46c4c942014-07-16 16:19:21 +03002252 !hci_bdaddr_list_lookup(&hdev->whitelist, &ev->bdaddr,
2253 BDADDR_BREDR)) {
2254 hci_reject_conn(hdev, &ev->bdaddr);
2255 return;
Johan Hedberg70c46422014-07-09 12:59:17 +03002256 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07002257
Johan Hedberg70c46422014-07-09 12:59:17 +03002258 /* Connection accepted */
Marcel Holtmannb6a0dc82007-10-20 14:55:10 +02002259
Johan Hedberg70c46422014-07-09 12:59:17 +03002260 hci_dev_lock(hdev);
Marcel Holtmannc7bdd502008-07-14 20:13:47 +02002261
Johan Hedberg70c46422014-07-09 12:59:17 +03002262 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
2263 if (ie)
2264 memcpy(ie->data.dev_class, ev->dev_class, 3);
2265
2266 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type,
2267 &ev->bdaddr);
2268 if (!conn) {
Johan Hedberga5c4e302014-07-16 11:56:07 +03002269 conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr,
2270 HCI_ROLE_SLAVE);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002271 if (!conn) {
Johan Hedberg70c46422014-07-09 12:59:17 +03002272 BT_ERR("No memory for new connection");
2273 hci_dev_unlock(hdev);
2274 return;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002275 }
Johan Hedberg70c46422014-07-09 12:59:17 +03002276 }
Marcel Holtmannb6a0dc82007-10-20 14:55:10 +02002277
Johan Hedberg70c46422014-07-09 12:59:17 +03002278 memcpy(conn->dev_class, ev->dev_class, 3);
Marcel Holtmannb6a0dc82007-10-20 14:55:10 +02002279
Johan Hedberg70c46422014-07-09 12:59:17 +03002280 hci_dev_unlock(hdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002281
Johan Hedberg70c46422014-07-09 12:59:17 +03002282 if (ev->link_type == ACL_LINK ||
2283 (!(flags & HCI_PROTO_DEFER) && !lmp_esco_capable(hdev))) {
2284 struct hci_cp_accept_conn_req cp;
2285 conn->state = BT_CONNECT;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002286
2287 bacpy(&cp.bdaddr, &ev->bdaddr);
Johan Hedberg70c46422014-07-09 12:59:17 +03002288
2289 if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER))
2290 cp.role = 0x00; /* Become master */
2291 else
2292 cp.role = 0x01; /* Remain slave */
2293
2294 hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp), &cp);
2295 } else if (!(flags & HCI_PROTO_DEFER)) {
2296 struct hci_cp_accept_sync_conn_req cp;
2297 conn->state = BT_CONNECT;
2298
2299 bacpy(&cp.bdaddr, &ev->bdaddr);
2300 cp.pkt_type = cpu_to_le16(conn->pkt_type);
2301
2302 cp.tx_bandwidth = cpu_to_le32(0x00001f40);
2303 cp.rx_bandwidth = cpu_to_le32(0x00001f40);
2304 cp.max_latency = cpu_to_le16(0xffff);
2305 cp.content_format = cpu_to_le16(hdev->voice_setting);
2306 cp.retrans_effort = 0xff;
2307
2308 hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ, sizeof(cp),
2309 &cp);
2310 } else {
2311 conn->state = BT_CONNECT2;
Johan Hedberg539c4962015-02-18 14:53:57 +02002312 hci_connect_cfm(conn, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002313 }
2314}
2315
Mikel Astizf0d6a0e2012-08-09 09:52:30 +02002316static u8 hci_to_mgmt_reason(u8 err)
2317{
2318 switch (err) {
2319 case HCI_ERROR_CONNECTION_TIMEOUT:
2320 return MGMT_DEV_DISCONN_TIMEOUT;
2321 case HCI_ERROR_REMOTE_USER_TERM:
2322 case HCI_ERROR_REMOTE_LOW_RESOURCES:
2323 case HCI_ERROR_REMOTE_POWER_OFF:
2324 return MGMT_DEV_DISCONN_REMOTE;
2325 case HCI_ERROR_LOCAL_HOST_TERM:
2326 return MGMT_DEV_DISCONN_LOCAL_HOST;
2327 default:
2328 return MGMT_DEV_DISCONN_UNKNOWN;
2329 }
2330}
2331
Gustavo Padovan6039aa732012-05-23 04:04:18 -03002332static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002333{
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002334 struct hci_ev_disconn_complete *ev = (void *) skb->data;
Szymon Janc160b9252016-07-12 02:12:16 +02002335 u8 reason;
Andre Guedes9fcb18e2014-02-26 20:21:48 -03002336 struct hci_conn_params *params;
Marcel Holtmann04837f62006-07-03 10:02:33 +02002337 struct hci_conn *conn;
Johan Hedberg12d4a3b2014-02-24 14:52:18 +02002338 bool mgmt_connected;
Andre Guedes38462202013-11-07 17:36:10 -03002339 u8 type;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002340
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +03002341 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002342
Linus Torvalds1da177e2005-04-16 15:20:36 -07002343 hci_dev_lock(hdev);
2344
Marcel Holtmann04837f62006-07-03 10:02:33 +02002345 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
Johan Hedbergf7520542011-01-20 12:34:39 +02002346 if (!conn)
2347 goto unlock;
Marcel Holtmann7d0db0a2008-07-14 20:13:51 +02002348
Andre Guedesabf54a52013-11-07 17:36:09 -03002349 if (ev->status) {
2350 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
2351 conn->dst_type, ev->status);
2352 goto unlock;
Johan Hedberg37d9ef72011-11-10 15:54:39 +02002353 }
Johan Hedbergf7520542011-01-20 12:34:39 +02002354
Andre Guedes38462202013-11-07 17:36:10 -03002355 conn->state = BT_CLOSED;
2356
Johan Hedberg12d4a3b2014-02-24 14:52:18 +02002357 mgmt_connected = test_and_clear_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags);
Szymon Janc160b9252016-07-12 02:12:16 +02002358
2359 if (test_bit(HCI_CONN_AUTH_FAILURE, &conn->flags))
2360 reason = MGMT_DEV_DISCONN_AUTH_FAILURE;
2361 else
2362 reason = hci_to_mgmt_reason(ev->reason);
2363
Johan Hedberg12d4a3b2014-02-24 14:52:18 +02002364 mgmt_device_disconnected(hdev, &conn->dst, conn->type, conn->dst_type,
2365 reason, mgmt_connected);
Andre Guedesabf54a52013-11-07 17:36:09 -03002366
Johan Hedberg22f433d2014-08-01 11:13:32 +03002367 if (conn->type == ACL_LINK) {
2368 if (test_bit(HCI_CONN_FLUSH_KEY, &conn->flags))
2369 hci_remove_link_key(hdev, &conn->dst);
2370
Johan Hedberg01b1cb82015-11-16 12:52:21 +02002371 hci_req_update_scan(hdev);
Johan Hedberg22f433d2014-08-01 11:13:32 +03002372 }
Johan Hedberg22102462013-10-05 12:01:06 +02002373
Andre Guedes9fcb18e2014-02-26 20:21:48 -03002374 params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);
2375 if (params) {
2376 switch (params->auto_connect) {
2377 case HCI_AUTO_CONN_LINK_LOSS:
2378 if (ev->reason != HCI_ERROR_CONNECTION_TIMEOUT)
2379 break;
2380 /* Fall through */
2381
Marcel Holtmann4b9e7e72014-07-23 21:55:23 +02002382 case HCI_AUTO_CONN_DIRECT:
Andre Guedes9fcb18e2014-02-26 20:21:48 -03002383 case HCI_AUTO_CONN_ALWAYS:
Johan Hedberg418025d2014-07-04 12:37:24 +03002384 list_del_init(&params->action);
2385 list_add(&params->action, &hdev->pend_le_conns);
2386 hci_update_background_scan(hdev);
Andre Guedes9fcb18e2014-02-26 20:21:48 -03002387 break;
2388
2389 default:
2390 break;
2391 }
2392 }
2393
Andre Guedes38462202013-11-07 17:36:10 -03002394 type = conn->type;
Johan Hedberg22102462013-10-05 12:01:06 +02002395
Johan Hedberg3a6d5762015-02-18 14:53:58 +02002396 hci_disconn_cfm(conn, ev->reason);
Andre Guedes38462202013-11-07 17:36:10 -03002397 hci_conn_del(conn);
2398
2399 /* Re-enable advertising if necessary, since it might
2400 * have been disabled by the connection. From the
2401 * HCI_LE_Set_Advertise_Enable command description in
2402 * the core specification (v4.0):
2403 * "The Controller shall continue advertising until the Host
2404 * issues an LE_Set_Advertise_Enable command with
2405 * Advertising_Enable set to 0x00 (Advertising is disabled)
2406 * or until a connection is created or until the Advertising
2407 * is timed out due to Directed Advertising."
2408 */
2409 if (type == LE_LINK)
Johan Hedbergf2252572015-11-18 12:49:20 +02002410 hci_req_reenable_advertising(hdev);
Johan Hedbergf7520542011-01-20 12:34:39 +02002411
2412unlock:
Linus Torvalds1da177e2005-04-16 15:20:36 -07002413 hci_dev_unlock(hdev);
2414}
2415
Gustavo Padovan6039aa732012-05-23 04:04:18 -03002416static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002417{
2418 struct hci_ev_auth_complete *ev = (void *) skb->data;
2419 struct hci_conn *conn;
2420
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +03002421 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002422
2423 hci_dev_lock(hdev);
2424
2425 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
Waldemar Rymarkiewiczd7556e22011-05-31 15:49:26 +02002426 if (!conn)
2427 goto unlock;
2428
2429 if (!ev->status) {
Szymon Janc160b9252016-07-12 02:12:16 +02002430 clear_bit(HCI_CONN_AUTH_FAILURE, &conn->flags);
2431
Johan Hedbergaa64a8b2012-01-18 21:33:12 +02002432 if (!hci_conn_ssp_enabled(conn) &&
Gustavo Padovan807deac2012-05-17 00:36:24 -03002433 test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) {
Waldemar Rymarkiewiczd7556e22011-05-31 15:49:26 +02002434 BT_INFO("re-auth of legacy device is not possible.");
Johan Hedberg2a611692011-02-19 12:06:00 -03002435 } else {
Johan Hedberg4dae2792014-06-24 17:03:50 +03002436 set_bit(HCI_CONN_AUTH, &conn->flags);
Waldemar Rymarkiewiczd7556e22011-05-31 15:49:26 +02002437 conn->sec_level = conn->pending_sec_level;
Johan Hedberg2a611692011-02-19 12:06:00 -03002438 }
Waldemar Rymarkiewiczd7556e22011-05-31 15:49:26 +02002439 } else {
Szymon Janc160b9252016-07-12 02:12:16 +02002440 if (ev->status == HCI_ERROR_PIN_OR_KEY_MISSING)
2441 set_bit(HCI_CONN_AUTH_FAILURE, &conn->flags);
2442
Johan Hedberge1e930f2014-09-08 17:09:49 -07002443 mgmt_auth_failed(conn, ev->status);
Waldemar Rymarkiewiczd7556e22011-05-31 15:49:26 +02002444 }
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002445
Johan Hedberg51a8efd2012-01-16 06:10:31 +02002446 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
2447 clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags);
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002448
Waldemar Rymarkiewiczd7556e22011-05-31 15:49:26 +02002449 if (conn->state == BT_CONFIG) {
Johan Hedbergaa64a8b2012-01-18 21:33:12 +02002450 if (!ev->status && hci_conn_ssp_enabled(conn)) {
Waldemar Rymarkiewiczd7556e22011-05-31 15:49:26 +02002451 struct hci_cp_set_conn_encrypt cp;
2452 cp.handle = ev->handle;
2453 cp.encrypt = 0x01;
2454 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
Gustavo Padovan807deac2012-05-17 00:36:24 -03002455 &cp);
Marcel Holtmann052b30b2009-04-26 20:01:22 +02002456 } else {
Waldemar Rymarkiewiczd7556e22011-05-31 15:49:26 +02002457 conn->state = BT_CONNECTED;
Johan Hedberg539c4962015-02-18 14:53:57 +02002458 hci_connect_cfm(conn, ev->status);
David Herrmann76a68ba2013-04-06 20:28:37 +02002459 hci_conn_drop(conn);
Marcel Holtmann052b30b2009-04-26 20:01:22 +02002460 }
Waldemar Rymarkiewiczd7556e22011-05-31 15:49:26 +02002461 } else {
2462 hci_auth_cfm(conn, ev->status);
Marcel Holtmann052b30b2009-04-26 20:01:22 +02002463
Waldemar Rymarkiewiczd7556e22011-05-31 15:49:26 +02002464 hci_conn_hold(conn);
2465 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
David Herrmann76a68ba2013-04-06 20:28:37 +02002466 hci_conn_drop(conn);
Waldemar Rymarkiewiczd7556e22011-05-31 15:49:26 +02002467 }
2468
Johan Hedberg51a8efd2012-01-16 06:10:31 +02002469 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) {
Waldemar Rymarkiewiczd7556e22011-05-31 15:49:26 +02002470 if (!ev->status) {
2471 struct hci_cp_set_conn_encrypt cp;
2472 cp.handle = ev->handle;
2473 cp.encrypt = 0x01;
2474 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
Gustavo Padovan807deac2012-05-17 00:36:24 -03002475 &cp);
Waldemar Rymarkiewiczd7556e22011-05-31 15:49:26 +02002476 } else {
Johan Hedberg51a8efd2012-01-16 06:10:31 +02002477 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
Waldemar Rymarkiewiczd7556e22011-05-31 15:49:26 +02002478 hci_encrypt_cfm(conn, ev->status, 0x00);
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002479 }
2480 }
2481
Waldemar Rymarkiewiczd7556e22011-05-31 15:49:26 +02002482unlock:
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002483 hci_dev_unlock(hdev);
2484}
2485
Gustavo Padovan6039aa732012-05-23 04:04:18 -03002486static void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb)
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002487{
Johan Hedberg127178d2010-11-18 22:22:29 +02002488 struct hci_ev_remote_name *ev = (void *) skb->data;
2489 struct hci_conn *conn;
2490
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002491 BT_DBG("%s", hdev->name);
2492
2493 hci_conn_check_pending(hdev);
Johan Hedberg127178d2010-11-18 22:22:29 +02002494
2495 hci_dev_lock(hdev);
2496
2497 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
Johan Hedbergb644ba32012-01-17 21:48:47 +02002498
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07002499 if (!hci_dev_test_flag(hdev, HCI_MGMT))
Johan Hedbergb644ba32012-01-17 21:48:47 +02002500 goto check_auth;
2501
2502 if (ev->status == 0)
2503 hci_check_pending_name(hdev, conn, &ev->bdaddr, ev->name,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03002504 strnlen(ev->name, HCI_MAX_NAME_LENGTH));
Johan Hedbergb644ba32012-01-17 21:48:47 +02002505 else
2506 hci_check_pending_name(hdev, conn, &ev->bdaddr, NULL, 0);
2507
2508check_auth:
Johan Hedberg79c6c702011-04-28 11:28:55 -07002509 if (!conn)
2510 goto unlock;
2511
2512 if (!hci_outgoing_auth_needed(hdev, conn))
2513 goto unlock;
2514
Johan Hedberg51a8efd2012-01-16 06:10:31 +02002515 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
Johan Hedberg127178d2010-11-18 22:22:29 +02002516 struct hci_cp_auth_requested cp;
Johan Hedberg977f8fc2014-07-17 15:35:39 +03002517
2518 set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags);
2519
Johan Hedberg127178d2010-11-18 22:22:29 +02002520 cp.handle = __cpu_to_le16(conn->handle);
2521 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
2522 }
2523
Johan Hedberg79c6c702011-04-28 11:28:55 -07002524unlock:
Johan Hedberg127178d2010-11-18 22:22:29 +02002525 hci_dev_unlock(hdev);
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002526}
2527
Johan Hedberg821f3762015-06-11 13:52:29 +03002528static void read_enc_key_size_complete(struct hci_dev *hdev, u8 status,
2529 u16 opcode, struct sk_buff *skb)
2530{
2531 const struct hci_rp_read_enc_key_size *rp;
2532 struct hci_conn *conn;
2533 u16 handle;
2534
2535 BT_DBG("%s status 0x%02x", hdev->name, status);
2536
2537 if (!skb || skb->len < sizeof(*rp)) {
2538 BT_ERR("%s invalid HCI Read Encryption Key Size response",
2539 hdev->name);
2540 return;
2541 }
2542
2543 rp = (void *)skb->data;
2544 handle = le16_to_cpu(rp->handle);
2545
2546 hci_dev_lock(hdev);
2547
2548 conn = hci_conn_hash_lookup_handle(hdev, handle);
2549 if (!conn)
2550 goto unlock;
2551
2552 /* If we fail to read the encryption key size, assume maximum
2553 * (which is the same we do also when this HCI command isn't
2554 * supported.
2555 */
2556 if (rp->status) {
2557 BT_ERR("%s failed to read key size for handle %u", hdev->name,
2558 handle);
2559 conn->enc_key_size = HCI_LINK_KEY_SIZE;
2560 } else {
2561 conn->enc_key_size = rp->key_size;
2562 }
2563
2564 if (conn->state == BT_CONFIG) {
2565 conn->state = BT_CONNECTED;
2566 hci_connect_cfm(conn, 0);
2567 hci_conn_drop(conn);
2568 } else {
2569 u8 encrypt;
2570
2571 if (!test_bit(HCI_CONN_ENCRYPT, &conn->flags))
2572 encrypt = 0x00;
Johan Hedberg5d667ef2015-06-12 13:04:47 +03002573 else if (test_bit(HCI_CONN_AES_CCM, &conn->flags))
Johan Hedberg821f3762015-06-11 13:52:29 +03002574 encrypt = 0x02;
2575 else
2576 encrypt = 0x01;
2577
2578 hci_encrypt_cfm(conn, 0, encrypt);
2579 }
2580
2581unlock:
2582 hci_dev_unlock(hdev);
2583}
2584
Gustavo Padovan6039aa732012-05-23 04:04:18 -03002585static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002586{
2587 struct hci_ev_encrypt_change *ev = (void *) skb->data;
2588 struct hci_conn *conn;
2589
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +03002590 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002591
2592 hci_dev_lock(hdev);
2593
2594 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
Marcel Holtmanndc8357c2014-01-31 16:24:27 -08002595 if (!conn)
2596 goto unlock;
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002597
Marcel Holtmanndc8357c2014-01-31 16:24:27 -08002598 if (!ev->status) {
2599 if (ev->encrypt) {
2600 /* Encryption implies authentication */
Johan Hedberg4dae2792014-06-24 17:03:50 +03002601 set_bit(HCI_CONN_AUTH, &conn->flags);
2602 set_bit(HCI_CONN_ENCRYPT, &conn->flags);
Marcel Holtmanndc8357c2014-01-31 16:24:27 -08002603 conn->sec_level = conn->pending_sec_level;
Marcel Holtmannabf76ba2014-01-31 16:24:28 -08002604
Marcel Holtmann914a6ff2014-02-01 11:52:02 -08002605 /* P-256 authentication key implies FIPS */
2606 if (conn->key_type == HCI_LK_AUTH_COMBINATION_P256)
Johan Hedberg4dae2792014-06-24 17:03:50 +03002607 set_bit(HCI_CONN_FIPS, &conn->flags);
Marcel Holtmann914a6ff2014-02-01 11:52:02 -08002608
Marcel Holtmannabf76ba2014-01-31 16:24:28 -08002609 if ((conn->type == ACL_LINK && ev->encrypt == 0x02) ||
2610 conn->type == LE_LINK)
2611 set_bit(HCI_CONN_AES_CCM, &conn->flags);
2612 } else {
Johan Hedberg4dae2792014-06-24 17:03:50 +03002613 clear_bit(HCI_CONN_ENCRYPT, &conn->flags);
Marcel Holtmannabf76ba2014-01-31 16:24:28 -08002614 clear_bit(HCI_CONN_AES_CCM, &conn->flags);
2615 }
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002616 }
2617
Johan Hedberg7ed3fa22014-09-10 22:16:35 -07002618 /* We should disregard the current RPA and generate a new one
2619 * whenever the encryption procedure fails.
2620 */
2621 if (ev->status && conn->type == LE_LINK)
Marcel Holtmanna1536da2015-03-13 02:11:01 -07002622 hci_dev_set_flag(hdev, HCI_RPA_EXPIRED);
Johan Hedberg7ed3fa22014-09-10 22:16:35 -07002623
Marcel Holtmanndc8357c2014-01-31 16:24:27 -08002624 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
2625
2626 if (ev->status && conn->state == BT_CONNECTED) {
Szymon Janc160b9252016-07-12 02:12:16 +02002627 if (ev->status == HCI_ERROR_PIN_OR_KEY_MISSING)
2628 set_bit(HCI_CONN_AUTH_FAILURE, &conn->flags);
2629
Marcel Holtmanndc8357c2014-01-31 16:24:27 -08002630 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
2631 hci_conn_drop(conn);
2632 goto unlock;
2633 }
2634
Johan Hedberg035ad622015-06-11 13:52:28 +03002635 /* In Secure Connections Only mode, do not allow any connections
2636 * that are not encrypted with AES-CCM using a P-256 authenticated
2637 * combination key.
2638 */
2639 if (hci_dev_test_flag(hdev, HCI_SC_ONLY) &&
2640 (!test_bit(HCI_CONN_AES_CCM, &conn->flags) ||
2641 conn->key_type != HCI_LK_AUTH_COMBINATION_P256)) {
2642 hci_connect_cfm(conn, HCI_ERROR_AUTH_FAILURE);
2643 hci_conn_drop(conn);
2644 goto unlock;
2645 }
2646
Johan Hedberg821f3762015-06-11 13:52:29 +03002647 /* Try reading the encryption key size for encrypted ACL links */
2648 if (!ev->status && ev->encrypt && conn->type == ACL_LINK) {
2649 struct hci_cp_read_enc_key_size cp;
2650 struct hci_request req;
2651
2652 /* Only send HCI_Read_Encryption_Key_Size if the
2653 * controller really supports it. If it doesn't, assume
2654 * the default size (16).
2655 */
2656 if (!(hdev->commands[20] & 0x10)) {
2657 conn->enc_key_size = HCI_LINK_KEY_SIZE;
2658 goto notify;
2659 }
2660
2661 hci_req_init(&req, hdev);
2662
2663 cp.handle = cpu_to_le16(conn->handle);
2664 hci_req_add(&req, HCI_OP_READ_ENC_KEY_SIZE, sizeof(cp), &cp);
2665
2666 if (hci_req_run_skb(&req, read_enc_key_size_complete)) {
2667 BT_ERR("Sending HCI Read Encryption Key Size failed");
2668 conn->enc_key_size = HCI_LINK_KEY_SIZE;
2669 goto notify;
2670 }
2671
2672 goto unlock;
2673 }
2674
2675notify:
Marcel Holtmanndc8357c2014-01-31 16:24:27 -08002676 if (conn->state == BT_CONFIG) {
2677 if (!ev->status)
2678 conn->state = BT_CONNECTED;
2679
Johan Hedberg539c4962015-02-18 14:53:57 +02002680 hci_connect_cfm(conn, ev->status);
Marcel Holtmanndc8357c2014-01-31 16:24:27 -08002681 hci_conn_drop(conn);
2682 } else
2683 hci_encrypt_cfm(conn, ev->status, ev->encrypt);
2684
Gustavo Padovana7d77232012-05-13 03:20:07 -03002685unlock:
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002686 hci_dev_unlock(hdev);
2687}
2688
Gustavo Padovan6039aa732012-05-23 04:04:18 -03002689static void hci_change_link_key_complete_evt(struct hci_dev *hdev,
2690 struct sk_buff *skb)
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002691{
2692 struct hci_ev_change_link_key_complete *ev = (void *) skb->data;
2693 struct hci_conn *conn;
2694
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +03002695 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002696
2697 hci_dev_lock(hdev);
2698
2699 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2700 if (conn) {
2701 if (!ev->status)
Johan Hedberg4dae2792014-06-24 17:03:50 +03002702 set_bit(HCI_CONN_SECURE, &conn->flags);
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002703
Johan Hedberg51a8efd2012-01-16 06:10:31 +02002704 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002705
2706 hci_key_change_cfm(conn, ev->status);
2707 }
2708
2709 hci_dev_unlock(hdev);
2710}
2711
Gustavo Padovan6039aa732012-05-23 04:04:18 -03002712static void hci_remote_features_evt(struct hci_dev *hdev,
2713 struct sk_buff *skb)
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002714{
2715 struct hci_ev_remote_features *ev = (void *) skb->data;
2716 struct hci_conn *conn;
2717
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +03002718 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002719
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002720 hci_dev_lock(hdev);
2721
2722 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
Johan Hedbergccd556f2010-11-10 17:11:51 +02002723 if (!conn)
2724 goto unlock;
Marcel Holtmann769be972008-07-14 20:13:49 +02002725
Johan Hedbergccd556f2010-11-10 17:11:51 +02002726 if (!ev->status)
Johan Hedbergcad718e2013-04-17 15:00:51 +03002727 memcpy(conn->features[0], ev->features, 8);
Johan Hedbergccd556f2010-11-10 17:11:51 +02002728
2729 if (conn->state != BT_CONFIG)
2730 goto unlock;
2731
Szymon Jancac363cf2015-01-29 16:36:59 +01002732 if (!ev->status && lmp_ext_feat_capable(hdev) &&
2733 lmp_ext_feat_capable(conn)) {
Johan Hedbergccd556f2010-11-10 17:11:51 +02002734 struct hci_cp_read_remote_ext_features cp;
2735 cp.handle = ev->handle;
2736 cp.page = 0x01;
2737 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES,
Gustavo Padovan807deac2012-05-17 00:36:24 -03002738 sizeof(cp), &cp);
Johan Hedberg392599b2010-11-18 22:22:28 +02002739 goto unlock;
2740 }
2741
Johan Hedberg671267b2012-05-12 16:11:50 -03002742 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
Johan Hedberg127178d2010-11-18 22:22:29 +02002743 struct hci_cp_remote_name_req cp;
2744 memset(&cp, 0, sizeof(cp));
2745 bacpy(&cp.bdaddr, &conn->dst);
2746 cp.pscan_rep_mode = 0x02;
2747 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
Johan Hedbergb644ba32012-01-17 21:48:47 +02002748 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
Alfonso Acosta48ec92f2014-10-07 08:44:10 +00002749 mgmt_device_connected(hdev, conn, 0, NULL, 0);
Johan Hedberg392599b2010-11-18 22:22:28 +02002750
Johan Hedberg127178d2010-11-18 22:22:29 +02002751 if (!hci_outgoing_auth_needed(hdev, conn)) {
Johan Hedbergccd556f2010-11-10 17:11:51 +02002752 conn->state = BT_CONNECTED;
Johan Hedberg539c4962015-02-18 14:53:57 +02002753 hci_connect_cfm(conn, ev->status);
David Herrmann76a68ba2013-04-06 20:28:37 +02002754 hci_conn_drop(conn);
Marcel Holtmann769be972008-07-14 20:13:49 +02002755 }
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002756
Johan Hedbergccd556f2010-11-10 17:11:51 +02002757unlock:
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002758 hci_dev_unlock(hdev);
2759}
2760
Johan Hedberge62144872015-04-02 13:41:08 +03002761static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb,
2762 u16 *opcode, u8 *status,
2763 hci_req_complete_t *req_complete,
2764 hci_req_complete_skb_t *req_complete_skb)
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002765{
2766 struct hci_ev_cmd_complete *ev = (void *) skb->data;
Johan Hedberge62144872015-04-02 13:41:08 +03002767
2768 *opcode = __le16_to_cpu(ev->opcode);
2769 *status = skb->data[sizeof(*ev)];
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002770
2771 skb_pull(skb, sizeof(*ev));
2772
Johan Hedberge62144872015-04-02 13:41:08 +03002773 switch (*opcode) {
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002774 case HCI_OP_INQUIRY_CANCEL:
2775 hci_cc_inquiry_cancel(hdev, skb);
2776 break;
2777
Andre Guedes4d934832012-03-21 00:03:35 -03002778 case HCI_OP_PERIODIC_INQ:
2779 hci_cc_periodic_inq(hdev, skb);
2780 break;
2781
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002782 case HCI_OP_EXIT_PERIODIC_INQ:
2783 hci_cc_exit_periodic_inq(hdev, skb);
2784 break;
2785
2786 case HCI_OP_REMOTE_NAME_REQ_CANCEL:
2787 hci_cc_remote_name_req_cancel(hdev, skb);
2788 break;
2789
2790 case HCI_OP_ROLE_DISCOVERY:
2791 hci_cc_role_discovery(hdev, skb);
2792 break;
2793
Marcel Holtmanne4e8e372008-07-14 20:13:47 +02002794 case HCI_OP_READ_LINK_POLICY:
2795 hci_cc_read_link_policy(hdev, skb);
2796 break;
2797
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002798 case HCI_OP_WRITE_LINK_POLICY:
2799 hci_cc_write_link_policy(hdev, skb);
2800 break;
2801
Marcel Holtmanne4e8e372008-07-14 20:13:47 +02002802 case HCI_OP_READ_DEF_LINK_POLICY:
2803 hci_cc_read_def_link_policy(hdev, skb);
2804 break;
2805
2806 case HCI_OP_WRITE_DEF_LINK_POLICY:
2807 hci_cc_write_def_link_policy(hdev, skb);
2808 break;
2809
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002810 case HCI_OP_RESET:
2811 hci_cc_reset(hdev, skb);
2812 break;
2813
Marcel Holtmannc2f0f972015-01-12 09:21:25 -08002814 case HCI_OP_READ_STORED_LINK_KEY:
2815 hci_cc_read_stored_link_key(hdev, skb);
2816 break;
2817
Marcel Holtmanna9366122015-01-12 09:21:28 -08002818 case HCI_OP_DELETE_STORED_LINK_KEY:
2819 hci_cc_delete_stored_link_key(hdev, skb);
2820 break;
2821
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002822 case HCI_OP_WRITE_LOCAL_NAME:
2823 hci_cc_write_local_name(hdev, skb);
2824 break;
2825
2826 case HCI_OP_READ_LOCAL_NAME:
2827 hci_cc_read_local_name(hdev, skb);
2828 break;
2829
2830 case HCI_OP_WRITE_AUTH_ENABLE:
2831 hci_cc_write_auth_enable(hdev, skb);
2832 break;
2833
2834 case HCI_OP_WRITE_ENCRYPT_MODE:
2835 hci_cc_write_encrypt_mode(hdev, skb);
2836 break;
2837
2838 case HCI_OP_WRITE_SCAN_ENABLE:
2839 hci_cc_write_scan_enable(hdev, skb);
2840 break;
2841
2842 case HCI_OP_READ_CLASS_OF_DEV:
2843 hci_cc_read_class_of_dev(hdev, skb);
2844 break;
2845
2846 case HCI_OP_WRITE_CLASS_OF_DEV:
2847 hci_cc_write_class_of_dev(hdev, skb);
2848 break;
2849
2850 case HCI_OP_READ_VOICE_SETTING:
2851 hci_cc_read_voice_setting(hdev, skb);
2852 break;
2853
2854 case HCI_OP_WRITE_VOICE_SETTING:
2855 hci_cc_write_voice_setting(hdev, skb);
2856 break;
2857
Marcel Holtmannb4cb9fb2013-10-14 13:56:16 -07002858 case HCI_OP_READ_NUM_SUPPORTED_IAC:
2859 hci_cc_read_num_supported_iac(hdev, skb);
2860 break;
2861
Marcel Holtmann333140b2008-07-14 20:13:48 +02002862 case HCI_OP_WRITE_SSP_MODE:
2863 hci_cc_write_ssp_mode(hdev, skb);
2864 break;
2865
Marcel Holtmanneac83dc2014-01-10 02:07:23 -08002866 case HCI_OP_WRITE_SC_SUPPORT:
2867 hci_cc_write_sc_support(hdev, skb);
2868 break;
2869
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002870 case HCI_OP_READ_LOCAL_VERSION:
2871 hci_cc_read_local_version(hdev, skb);
2872 break;
2873
2874 case HCI_OP_READ_LOCAL_COMMANDS:
2875 hci_cc_read_local_commands(hdev, skb);
2876 break;
2877
2878 case HCI_OP_READ_LOCAL_FEATURES:
2879 hci_cc_read_local_features(hdev, skb);
2880 break;
2881
Andre Guedes971e3a42011-06-30 19:20:52 -03002882 case HCI_OP_READ_LOCAL_EXT_FEATURES:
2883 hci_cc_read_local_ext_features(hdev, skb);
2884 break;
2885
Marcel Holtmanna9de9242007-10-20 13:33:56 +02002886 case HCI_OP_READ_BUFFER_SIZE:
2887 hci_cc_read_buffer_size(hdev, skb);
2888 break;
2889
2890 case HCI_OP_READ_BD_ADDR:
2891 hci_cc_read_bd_addr(hdev, skb);
2892 break;
2893
Johan Hedbergf332ec62013-03-15 17:07:11 -05002894 case HCI_OP_READ_PAGE_SCAN_ACTIVITY:
2895 hci_cc_read_page_scan_activity(hdev, skb);
2896 break;
2897
Johan Hedberg4a3ee762013-03-15 17:07:12 -05002898 case HCI_OP_WRITE_PAGE_SCAN_ACTIVITY:
2899 hci_cc_write_page_scan_activity(hdev, skb);
2900 break;
2901
Johan Hedbergf332ec62013-03-15 17:07:11 -05002902 case HCI_OP_READ_PAGE_SCAN_TYPE:
2903 hci_cc_read_page_scan_type(hdev, skb);
2904 break;
2905
Johan Hedberg4a3ee762013-03-15 17:07:12 -05002906 case HCI_OP_WRITE_PAGE_SCAN_TYPE:
2907 hci_cc_write_page_scan_type(hdev, skb);
2908 break;
2909
Andrei Emeltchenko350ee4c2011-12-07 15:56:51 +02002910 case HCI_OP_READ_DATA_BLOCK_SIZE:
2911 hci_cc_read_data_block_size(hdev, skb);
2912 break;
2913
Andrei Emeltchenko1e89cff2011-11-24 14:52:02 +02002914 case HCI_OP_READ_FLOW_CONTROL_MODE:
2915 hci_cc_read_flow_control_mode(hdev, skb);
2916 break;
2917
Andrei Emeltchenko928abaa2011-10-12 10:53:57 +03002918 case HCI_OP_READ_LOCAL_AMP_INFO:
2919 hci_cc_read_local_amp_info(hdev, skb);
2920 break;
2921
Johan Hedberg33f35722014-06-28 17:54:06 +03002922 case HCI_OP_READ_CLOCK:
2923 hci_cc_read_clock(hdev, skb);
2924 break;
2925
Johan Hedbergd5859e22011-01-25 01:19:58 +02002926 case HCI_OP_READ_INQ_RSP_TX_POWER:
2927 hci_cc_read_inq_rsp_tx_power(hdev, skb);
2928 break;
2929
Johan Hedberg980e1a52011-01-22 06:10:07 +02002930 case HCI_OP_PIN_CODE_REPLY:
2931 hci_cc_pin_code_reply(hdev, skb);
2932 break;
2933
2934 case HCI_OP_PIN_CODE_NEG_REPLY:
2935 hci_cc_pin_code_neg_reply(hdev, skb);
2936 break;
2937
Szymon Jancc35938b2011-03-22 13:12:21 +01002938 case HCI_OP_READ_LOCAL_OOB_DATA:
Marcel Holtmann4d2d2792014-01-10 02:07:26 -08002939 hci_cc_read_local_oob_data(hdev, skb);
2940 break;
2941
2942 case HCI_OP_READ_LOCAL_OOB_EXT_DATA:
2943 hci_cc_read_local_oob_ext_data(hdev, skb);
Szymon Jancc35938b2011-03-22 13:12:21 +01002944 break;
2945
Ville Tervo6ed58ec2011-02-10 22:38:48 -03002946 case HCI_OP_LE_READ_BUFFER_SIZE:
2947 hci_cc_le_read_buffer_size(hdev, skb);
2948 break;
2949
Johan Hedberg60e77322013-01-22 14:01:59 +02002950 case HCI_OP_LE_READ_LOCAL_FEATURES:
2951 hci_cc_le_read_local_features(hdev, skb);
2952 break;
2953
Johan Hedberg8fa19092012-10-19 20:57:49 +03002954 case HCI_OP_LE_READ_ADV_TX_POWER:
2955 hci_cc_le_read_adv_tx_power(hdev, skb);
2956 break;
2957
Johan Hedberga5c29682011-02-19 12:05:57 -03002958 case HCI_OP_USER_CONFIRM_REPLY:
2959 hci_cc_user_confirm_reply(hdev, skb);
2960 break;
2961
2962 case HCI_OP_USER_CONFIRM_NEG_REPLY:
2963 hci_cc_user_confirm_neg_reply(hdev, skb);
2964 break;
2965
Brian Gix1143d452011-11-23 08:28:34 -08002966 case HCI_OP_USER_PASSKEY_REPLY:
2967 hci_cc_user_passkey_reply(hdev, skb);
2968 break;
2969
2970 case HCI_OP_USER_PASSKEY_NEG_REPLY:
2971 hci_cc_user_passkey_neg_reply(hdev, skb);
Szymon Janc16cde992012-04-13 12:32:42 +02002972 break;
Andre Guedes07f7fa52011-12-02 21:13:31 +09002973
Marcel Holtmann7a4cd512014-02-19 19:52:13 -08002974 case HCI_OP_LE_SET_RANDOM_ADDR:
2975 hci_cc_le_set_random_addr(hdev, skb);
2976 break;
2977
Johan Hedbergc1d5dc42012-11-08 01:23:01 +01002978 case HCI_OP_LE_SET_ADV_ENABLE:
2979 hci_cc_le_set_adv_enable(hdev, skb);
2980 break;
2981
Marcel Holtmann533553f2014-03-21 12:18:10 -07002982 case HCI_OP_LE_SET_SCAN_PARAM:
2983 hci_cc_le_set_scan_param(hdev, skb);
2984 break;
2985
Andre Guedeseb9d91f2011-05-26 16:23:52 -03002986 case HCI_OP_LE_SET_SCAN_ENABLE:
2987 hci_cc_le_set_scan_enable(hdev, skb);
2988 break;
2989
Johan Hedbergcf1d0812013-01-22 14:02:00 +02002990 case HCI_OP_LE_READ_WHITE_LIST_SIZE:
2991 hci_cc_le_read_white_list_size(hdev, skb);
2992 break;
2993
Marcel Holtmann0f36b582014-02-27 20:37:31 -08002994 case HCI_OP_LE_CLEAR_WHITE_LIST:
2995 hci_cc_le_clear_white_list(hdev, skb);
2996 break;
2997
2998 case HCI_OP_LE_ADD_TO_WHITE_LIST:
2999 hci_cc_le_add_to_white_list(hdev, skb);
3000 break;
3001
3002 case HCI_OP_LE_DEL_FROM_WHITE_LIST:
3003 hci_cc_le_del_from_white_list(hdev, skb);
3004 break;
3005
Johan Hedberg9b008c02013-01-22 14:02:01 +02003006 case HCI_OP_LE_READ_SUPPORTED_STATES:
3007 hci_cc_le_read_supported_states(hdev, skb);
3008 break;
3009
Marcel Holtmanna8e1bfa2014-12-20 16:28:40 +01003010 case HCI_OP_LE_READ_DEF_DATA_LEN:
3011 hci_cc_le_read_def_data_len(hdev, skb);
3012 break;
3013
3014 case HCI_OP_LE_WRITE_DEF_DATA_LEN:
3015 hci_cc_le_write_def_data_len(hdev, skb);
3016 break;
3017
3018 case HCI_OP_LE_READ_MAX_DATA_LEN:
3019 hci_cc_le_read_max_data_len(hdev, skb);
3020 break;
3021
Andre Guedesf9b49302011-06-30 19:20:53 -03003022 case HCI_OP_WRITE_LE_HOST_SUPPORTED:
3023 hci_cc_write_le_host_supported(hdev, skb);
3024 break;
3025
Johan Hedberg56ed2cb2014-02-27 14:05:40 +02003026 case HCI_OP_LE_SET_ADV_PARAM:
3027 hci_cc_set_adv_param(hdev, skb);
3028 break;
3029
Andrzej Kaczmarek5ae76a92014-05-08 15:32:08 +02003030 case HCI_OP_READ_RSSI:
3031 hci_cc_read_rssi(hdev, skb);
3032 break;
3033
Andrzej Kaczmarek5a134fa2014-05-09 21:35:28 +02003034 case HCI_OP_READ_TX_POWER:
3035 hci_cc_read_tx_power(hdev, skb);
3036 break;
3037
Marcel Holtmannc50b33c2015-01-31 15:07:52 -08003038 case HCI_OP_WRITE_SSP_DEBUG_MODE:
3039 hci_cc_write_ssp_debug_mode(hdev, skb);
3040 break;
3041
Marcel Holtmanna9de9242007-10-20 13:33:56 +02003042 default:
Johan Hedberge62144872015-04-02 13:41:08 +03003043 BT_DBG("%s opcode 0x%4.4x", hdev->name, *opcode);
Marcel Holtmanna9de9242007-10-20 13:33:56 +02003044 break;
3045 }
3046
Johan Hedberge62144872015-04-02 13:41:08 +03003047 if (*opcode != HCI_OP_NOP)
Marcel Holtmann65cc2b42014-06-16 12:30:56 +02003048 cancel_delayed_work(&hdev->cmd_timer);
Ville Tervo6bd32322011-02-16 16:32:41 +02003049
Johan Hedberg600b2152015-03-28 11:17:36 +02003050 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags))
3051 atomic_set(&hdev->cmd_cnt, 1);
3052
Johan Hedberge62144872015-04-02 13:41:08 +03003053 hci_req_cmd_complete(hdev, *opcode, *status, req_complete,
3054 req_complete_skb);
Johan Hedberg9238f362013-03-05 20:37:48 +02003055
Johan Hedberg600b2152015-03-28 11:17:36 +02003056 if (atomic_read(&hdev->cmd_cnt) && !skb_queue_empty(&hdev->cmd_q))
3057 queue_work(hdev->workqueue, &hdev->cmd_work);
Marcel Holtmanna9de9242007-10-20 13:33:56 +02003058}
3059
Johan Hedberge62144872015-04-02 13:41:08 +03003060static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb,
3061 u16 *opcode, u8 *status,
3062 hci_req_complete_t *req_complete,
3063 hci_req_complete_skb_t *req_complete_skb)
Marcel Holtmanna9de9242007-10-20 13:33:56 +02003064{
3065 struct hci_ev_cmd_status *ev = (void *) skb->data;
Marcel Holtmanna9de9242007-10-20 13:33:56 +02003066
3067 skb_pull(skb, sizeof(*ev));
3068
Johan Hedberge62144872015-04-02 13:41:08 +03003069 *opcode = __le16_to_cpu(ev->opcode);
3070 *status = ev->status;
Marcel Holtmanna9de9242007-10-20 13:33:56 +02003071
Johan Hedberge62144872015-04-02 13:41:08 +03003072 switch (*opcode) {
Marcel Holtmanna9de9242007-10-20 13:33:56 +02003073 case HCI_OP_INQUIRY:
3074 hci_cs_inquiry(hdev, ev->status);
3075 break;
3076
3077 case HCI_OP_CREATE_CONN:
3078 hci_cs_create_conn(hdev, ev->status);
3079 break;
3080
Kuba Pawlak9645c762014-11-06 19:36:53 +01003081 case HCI_OP_DISCONNECT:
3082 hci_cs_disconnect(hdev, ev->status);
3083 break;
3084
Marcel Holtmanna9de9242007-10-20 13:33:56 +02003085 case HCI_OP_ADD_SCO:
3086 hci_cs_add_sco(hdev, ev->status);
3087 break;
3088
Marcel Holtmannf8558552008-07-14 20:13:49 +02003089 case HCI_OP_AUTH_REQUESTED:
3090 hci_cs_auth_requested(hdev, ev->status);
3091 break;
3092
3093 case HCI_OP_SET_CONN_ENCRYPT:
3094 hci_cs_set_conn_encrypt(hdev, ev->status);
3095 break;
3096
Marcel Holtmanna9de9242007-10-20 13:33:56 +02003097 case HCI_OP_REMOTE_NAME_REQ:
3098 hci_cs_remote_name_req(hdev, ev->status);
3099 break;
3100
Marcel Holtmann769be972008-07-14 20:13:49 +02003101 case HCI_OP_READ_REMOTE_FEATURES:
3102 hci_cs_read_remote_features(hdev, ev->status);
3103 break;
3104
3105 case HCI_OP_READ_REMOTE_EXT_FEATURES:
3106 hci_cs_read_remote_ext_features(hdev, ev->status);
3107 break;
3108
Marcel Holtmanna9de9242007-10-20 13:33:56 +02003109 case HCI_OP_SETUP_SYNC_CONN:
3110 hci_cs_setup_sync_conn(hdev, ev->status);
3111 break;
3112
3113 case HCI_OP_SNIFF_MODE:
3114 hci_cs_sniff_mode(hdev, ev->status);
3115 break;
3116
3117 case HCI_OP_EXIT_SNIFF_MODE:
3118 hci_cs_exit_sniff_mode(hdev, ev->status);
3119 break;
3120
Kuba Pawlak50fc85f2014-11-06 19:36:52 +01003121 case HCI_OP_SWITCH_ROLE:
3122 hci_cs_switch_role(hdev, ev->status);
3123 break;
3124
Johan Hedbergcb1d68f2014-02-28 12:54:16 +02003125 case HCI_OP_LE_CREATE_CONN:
3126 hci_cs_le_create_conn(hdev, ev->status);
3127 break;
3128
Marcel Holtmann0fe29fd2015-04-08 09:05:27 -07003129 case HCI_OP_LE_READ_REMOTE_FEATURES:
3130 hci_cs_le_read_remote_features(hdev, ev->status);
3131 break;
3132
Johan Hedberg81d0c8a2014-03-24 14:39:04 +02003133 case HCI_OP_LE_START_ENC:
3134 hci_cs_le_start_enc(hdev, ev->status);
3135 break;
3136
Marcel Holtmanna9de9242007-10-20 13:33:56 +02003137 default:
Johan Hedberge62144872015-04-02 13:41:08 +03003138 BT_DBG("%s opcode 0x%4.4x", hdev->name, *opcode);
Marcel Holtmanna9de9242007-10-20 13:33:56 +02003139 break;
3140 }
3141
Johan Hedberge62144872015-04-02 13:41:08 +03003142 if (*opcode != HCI_OP_NOP)
Marcel Holtmann65cc2b42014-06-16 12:30:56 +02003143 cancel_delayed_work(&hdev->cmd_timer);
Ville Tervo6bd32322011-02-16 16:32:41 +02003144
Johan Hedberg600b2152015-03-28 11:17:36 +02003145 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags))
3146 atomic_set(&hdev->cmd_cnt, 1);
3147
Johan Hedberg444c6dd2015-04-02 13:41:07 +03003148 /* Indicate request completion if the command failed. Also, if
3149 * we're not waiting for a special event and we get a success
3150 * command status we should try to flag the request as completed
3151 * (since for this kind of commands there will not be a command
3152 * complete event).
3153 */
Johan Hedberg02350a72013-04-03 21:50:29 +03003154 if (ev->status ||
Marcel Holtmann242c0eb2015-10-25 22:45:53 +01003155 (hdev->sent_cmd && !bt_cb(hdev->sent_cmd)->hci.req_event))
Johan Hedberge62144872015-04-02 13:41:08 +03003156 hci_req_cmd_complete(hdev, *opcode, ev->status, req_complete,
3157 req_complete_skb);
Johan Hedberg9238f362013-03-05 20:37:48 +02003158
Johan Hedberg600b2152015-03-28 11:17:36 +02003159 if (atomic_read(&hdev->cmd_cnt) && !skb_queue_empty(&hdev->cmd_q))
3160 queue_work(hdev->workqueue, &hdev->cmd_work);
Marcel Holtmanna9de9242007-10-20 13:33:56 +02003161}
3162
Marcel Holtmann24dfa342014-11-02 02:56:41 +01003163static void hci_hardware_error_evt(struct hci_dev *hdev, struct sk_buff *skb)
3164{
3165 struct hci_ev_hardware_error *ev = (void *) skb->data;
3166
Marcel Holtmannc7741d12015-01-28 11:09:55 -08003167 hdev->hw_error_code = ev->code;
3168
3169 queue_work(hdev->req_workqueue, &hdev->error_reset);
Marcel Holtmann24dfa342014-11-02 02:56:41 +01003170}
3171
Gustavo Padovan6039aa732012-05-23 04:04:18 -03003172static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
Marcel Holtmanna9de9242007-10-20 13:33:56 +02003173{
3174 struct hci_ev_role_change *ev = (void *) skb->data;
3175 struct hci_conn *conn;
3176
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +03003177 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
Marcel Holtmanna9de9242007-10-20 13:33:56 +02003178
3179 hci_dev_lock(hdev);
3180
3181 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3182 if (conn) {
Johan Hedberg40bef302014-07-16 11:42:27 +03003183 if (!ev->status)
3184 conn->role = ev->role;
Marcel Holtmanna9de9242007-10-20 13:33:56 +02003185
Johan Hedberg51a8efd2012-01-16 06:10:31 +02003186 clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
Marcel Holtmanna9de9242007-10-20 13:33:56 +02003187
3188 hci_role_switch_cfm(conn, ev->status, ev->role);
3189 }
3190
3191 hci_dev_unlock(hdev);
3192}
3193
Gustavo Padovan6039aa732012-05-23 04:04:18 -03003194static void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb)
Linus Torvalds1da177e2005-04-16 15:20:36 -07003195{
Marcel Holtmanna9de9242007-10-20 13:33:56 +02003196 struct hci_ev_num_comp_pkts *ev = (void *) skb->data;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003197 int i;
3198
Andrei Emeltchenko32ac5b92011-12-19 16:31:29 +02003199 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) {
3200 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
3201 return;
3202 }
3203
Andrei Emeltchenkoc5993de2011-12-30 12:07:47 +02003204 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
Gustavo Padovan807deac2012-05-17 00:36:24 -03003205 ev->num_hndl * sizeof(struct hci_comp_pkts_info)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003206 BT_DBG("%s bad parameters", hdev->name);
3207 return;
3208 }
3209
Andrei Emeltchenkoc5993de2011-12-30 12:07:47 +02003210 BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl);
3211
Andrei Emeltchenko613a1c02011-12-19 16:31:30 +02003212 for (i = 0; i < ev->num_hndl; i++) {
3213 struct hci_comp_pkts_info *info = &ev->handles[i];
Linus Torvalds1da177e2005-04-16 15:20:36 -07003214 struct hci_conn *conn;
3215 __u16 handle, count;
3216
Andrei Emeltchenko613a1c02011-12-19 16:31:30 +02003217 handle = __le16_to_cpu(info->handle);
3218 count = __le16_to_cpu(info->count);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003219
3220 conn = hci_conn_hash_lookup_handle(hdev, handle);
Andrei Emeltchenkof4280912011-12-07 15:56:52 +02003221 if (!conn)
3222 continue;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003223
Andrei Emeltchenkof4280912011-12-07 15:56:52 +02003224 conn->sent -= count;
3225
3226 switch (conn->type) {
3227 case ACL_LINK:
3228 hdev->acl_cnt += count;
3229 if (hdev->acl_cnt > hdev->acl_pkts)
3230 hdev->acl_cnt = hdev->acl_pkts;
3231 break;
3232
3233 case LE_LINK:
3234 if (hdev->le_pkts) {
3235 hdev->le_cnt += count;
3236 if (hdev->le_cnt > hdev->le_pkts)
3237 hdev->le_cnt = hdev->le_pkts;
3238 } else {
Andrei Emeltchenko70f230202010-12-01 16:58:25 +02003239 hdev->acl_cnt += count;
3240 if (hdev->acl_cnt > hdev->acl_pkts)
Linus Torvalds1da177e2005-04-16 15:20:36 -07003241 hdev->acl_cnt = hdev->acl_pkts;
3242 }
Andrei Emeltchenkof4280912011-12-07 15:56:52 +02003243 break;
3244
3245 case SCO_LINK:
3246 hdev->sco_cnt += count;
3247 if (hdev->sco_cnt > hdev->sco_pkts)
3248 hdev->sco_cnt = hdev->sco_pkts;
3249 break;
3250
3251 default:
3252 BT_ERR("Unknown type %d conn %p", conn->type, conn);
3253 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003254 }
3255 }
Marcel Holtmanna9de9242007-10-20 13:33:56 +02003256
Gustavo F. Padovan3eff45e2011-12-15 00:50:02 -02003257 queue_work(hdev->workqueue, &hdev->tx_work);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003258}
3259
Andrei Emeltchenko76ef7cf2012-10-10 17:38:29 +03003260static struct hci_conn *__hci_conn_lookup_handle(struct hci_dev *hdev,
3261 __u16 handle)
3262{
3263 struct hci_chan *chan;
3264
3265 switch (hdev->dev_type) {
Marcel Holtmannca8bee52016-07-05 14:30:14 +02003266 case HCI_PRIMARY:
Andrei Emeltchenko76ef7cf2012-10-10 17:38:29 +03003267 return hci_conn_hash_lookup_handle(hdev, handle);
3268 case HCI_AMP:
3269 chan = hci_chan_lookup_handle(hdev, handle);
3270 if (chan)
3271 return chan->conn;
3272 break;
3273 default:
3274 BT_ERR("%s unknown dev_type %d", hdev->name, hdev->dev_type);
3275 break;
3276 }
3277
3278 return NULL;
3279}
3280
Gustavo Padovan6039aa732012-05-23 04:04:18 -03003281static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb)
Andrei Emeltchenko25e89e92012-01-04 12:41:58 +02003282{
3283 struct hci_ev_num_comp_blocks *ev = (void *) skb->data;
3284 int i;
3285
3286 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_BLOCK_BASED) {
3287 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
3288 return;
3289 }
3290
3291 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
Gustavo Padovan807deac2012-05-17 00:36:24 -03003292 ev->num_hndl * sizeof(struct hci_comp_blocks_info)) {
Andrei Emeltchenko25e89e92012-01-04 12:41:58 +02003293 BT_DBG("%s bad parameters", hdev->name);
3294 return;
3295 }
3296
3297 BT_DBG("%s num_blocks %d num_hndl %d", hdev->name, ev->num_blocks,
Gustavo Padovan807deac2012-05-17 00:36:24 -03003298 ev->num_hndl);
Andrei Emeltchenko25e89e92012-01-04 12:41:58 +02003299
3300 for (i = 0; i < ev->num_hndl; i++) {
3301 struct hci_comp_blocks_info *info = &ev->handles[i];
Andrei Emeltchenko76ef7cf2012-10-10 17:38:29 +03003302 struct hci_conn *conn = NULL;
Andrei Emeltchenko25e89e92012-01-04 12:41:58 +02003303 __u16 handle, block_count;
3304
3305 handle = __le16_to_cpu(info->handle);
3306 block_count = __le16_to_cpu(info->blocks);
3307
Andrei Emeltchenko76ef7cf2012-10-10 17:38:29 +03003308 conn = __hci_conn_lookup_handle(hdev, handle);
Andrei Emeltchenko25e89e92012-01-04 12:41:58 +02003309 if (!conn)
3310 continue;
3311
3312 conn->sent -= block_count;
3313
3314 switch (conn->type) {
3315 case ACL_LINK:
Andrei Emeltchenkobd1eb662012-10-10 17:38:30 +03003316 case AMP_LINK:
Andrei Emeltchenko25e89e92012-01-04 12:41:58 +02003317 hdev->block_cnt += block_count;
3318 if (hdev->block_cnt > hdev->num_blocks)
3319 hdev->block_cnt = hdev->num_blocks;
3320 break;
3321
3322 default:
3323 BT_ERR("Unknown type %d conn %p", conn->type, conn);
3324 break;
3325 }
3326 }
3327
3328 queue_work(hdev->workqueue, &hdev->tx_work);
3329}
3330
Gustavo Padovan6039aa732012-05-23 04:04:18 -03003331static void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
Linus Torvalds1da177e2005-04-16 15:20:36 -07003332{
Marcel Holtmanna9de9242007-10-20 13:33:56 +02003333 struct hci_ev_mode_change *ev = (void *) skb->data;
Marcel Holtmann04837f62006-07-03 10:02:33 +02003334 struct hci_conn *conn;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003335
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +03003336 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003337
3338 hci_dev_lock(hdev);
3339
Marcel Holtmann04837f62006-07-03 10:02:33 +02003340 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3341 if (conn) {
3342 conn->mode = ev->mode;
Marcel Holtmann04837f62006-07-03 10:02:33 +02003343
Gustavo Padovan8fc9ced2012-05-23 04:04:21 -03003344 if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND,
3345 &conn->flags)) {
Marcel Holtmann04837f62006-07-03 10:02:33 +02003346 if (conn->mode == HCI_CM_ACTIVE)
Johan Hedberg58a681e2012-01-16 06:47:28 +02003347 set_bit(HCI_CONN_POWER_SAVE, &conn->flags);
Marcel Holtmann04837f62006-07-03 10:02:33 +02003348 else
Johan Hedberg58a681e2012-01-16 06:47:28 +02003349 clear_bit(HCI_CONN_POWER_SAVE, &conn->flags);
Marcel Holtmann04837f62006-07-03 10:02:33 +02003350 }
Marcel Holtmanne73439d2010-07-26 10:06:00 -04003351
Johan Hedberg51a8efd2012-01-16 06:10:31 +02003352 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
Marcel Holtmanne73439d2010-07-26 10:06:00 -04003353 hci_sco_setup(conn, ev->status);
Marcel Holtmann04837f62006-07-03 10:02:33 +02003354 }
3355
3356 hci_dev_unlock(hdev);
3357}
3358
Gustavo Padovan6039aa732012-05-23 04:04:18 -03003359static void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
Linus Torvalds1da177e2005-04-16 15:20:36 -07003360{
Marcel Holtmann052b30b2009-04-26 20:01:22 +02003361 struct hci_ev_pin_code_req *ev = (void *) skb->data;
3362 struct hci_conn *conn;
3363
Marcel Holtmanna9de9242007-10-20 13:33:56 +02003364 BT_DBG("%s", hdev->name);
Marcel Holtmann052b30b2009-04-26 20:01:22 +02003365
3366 hci_dev_lock(hdev);
3367
3368 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
Waldemar Rymarkiewiczb6f98042011-09-23 10:01:30 +02003369 if (!conn)
3370 goto unlock;
3371
3372 if (conn->state == BT_CONNECTED) {
Marcel Holtmann052b30b2009-04-26 20:01:22 +02003373 hci_conn_hold(conn);
3374 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
David Herrmann76a68ba2013-04-06 20:28:37 +02003375 hci_conn_drop(conn);
Marcel Holtmann052b30b2009-04-26 20:01:22 +02003376 }
3377
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07003378 if (!hci_dev_test_flag(hdev, HCI_BONDABLE) &&
Johan Hedberg2f407f02014-07-17 15:35:40 +03003379 !test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags)) {
Johan Hedberg03b555e2011-01-04 15:40:05 +02003380 hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
Gustavo Padovan807deac2012-05-17 00:36:24 -03003381 sizeof(ev->bdaddr), &ev->bdaddr);
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07003382 } else if (hci_dev_test_flag(hdev, HCI_MGMT)) {
Waldemar Rymarkiewicza770bb52011-04-28 12:07:59 +02003383 u8 secure;
3384
3385 if (conn->pending_sec_level == BT_SECURITY_HIGH)
3386 secure = 1;
3387 else
3388 secure = 0;
3389
Johan Hedberg744cf192011-11-08 20:40:14 +02003390 mgmt_pin_code_request(hdev, &ev->bdaddr, secure);
Waldemar Rymarkiewicza770bb52011-04-28 12:07:59 +02003391 }
Johan Hedberg980e1a52011-01-22 06:10:07 +02003392
Waldemar Rymarkiewiczb6f98042011-09-23 10:01:30 +02003393unlock:
Marcel Holtmann052b30b2009-04-26 20:01:22 +02003394 hci_dev_unlock(hdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003395}
3396
Johan Hedbergcb6f3f72014-11-19 14:53:04 +02003397static void conn_set_key(struct hci_conn *conn, u8 key_type, u8 pin_len)
3398{
3399 if (key_type == HCI_LK_CHANGED_COMBINATION)
3400 return;
3401
3402 conn->pin_length = pin_len;
3403 conn->key_type = key_type;
3404
3405 switch (key_type) {
3406 case HCI_LK_LOCAL_UNIT:
3407 case HCI_LK_REMOTE_UNIT:
3408 case HCI_LK_DEBUG_COMBINATION:
3409 return;
3410 case HCI_LK_COMBINATION:
3411 if (pin_len == 16)
3412 conn->pending_sec_level = BT_SECURITY_HIGH;
3413 else
3414 conn->pending_sec_level = BT_SECURITY_MEDIUM;
3415 break;
3416 case HCI_LK_UNAUTH_COMBINATION_P192:
3417 case HCI_LK_UNAUTH_COMBINATION_P256:
3418 conn->pending_sec_level = BT_SECURITY_MEDIUM;
3419 break;
3420 case HCI_LK_AUTH_COMBINATION_P192:
3421 conn->pending_sec_level = BT_SECURITY_HIGH;
3422 break;
3423 case HCI_LK_AUTH_COMBINATION_P256:
3424 conn->pending_sec_level = BT_SECURITY_FIPS;
3425 break;
3426 }
3427}
3428
Gustavo Padovan6039aa732012-05-23 04:04:18 -03003429static void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
Linus Torvalds1da177e2005-04-16 15:20:36 -07003430{
Johan Hedberg55ed8ca12011-01-17 14:41:05 +02003431 struct hci_ev_link_key_req *ev = (void *) skb->data;
3432 struct hci_cp_link_key_reply cp;
3433 struct hci_conn *conn;
3434 struct link_key *key;
3435
Marcel Holtmanna9de9242007-10-20 13:33:56 +02003436 BT_DBG("%s", hdev->name);
Johan Hedberg55ed8ca12011-01-17 14:41:05 +02003437
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07003438 if (!hci_dev_test_flag(hdev, HCI_MGMT))
Johan Hedberg55ed8ca12011-01-17 14:41:05 +02003439 return;
3440
3441 hci_dev_lock(hdev);
3442
3443 key = hci_find_link_key(hdev, &ev->bdaddr);
3444 if (!key) {
Andrei Emeltchenko6ed93dc2012-09-25 12:49:43 +03003445 BT_DBG("%s link key not found for %pMR", hdev->name,
3446 &ev->bdaddr);
Johan Hedberg55ed8ca12011-01-17 14:41:05 +02003447 goto not_found;
3448 }
3449
Andrei Emeltchenko6ed93dc2012-09-25 12:49:43 +03003450 BT_DBG("%s found key type %u for %pMR", hdev->name, key->type,
3451 &ev->bdaddr);
Johan Hedberg55ed8ca12011-01-17 14:41:05 +02003452
Johan Hedberg55ed8ca12011-01-17 14:41:05 +02003453 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
Waldemar Rymarkiewicz60b83f52011-04-28 12:07:56 +02003454 if (conn) {
Johan Hedbergfe8bc5a2014-08-14 12:33:17 +03003455 clear_bit(HCI_CONN_NEW_LINK_KEY, &conn->flags);
3456
Marcel Holtmann66138ce2014-01-10 02:07:20 -08003457 if ((key->type == HCI_LK_UNAUTH_COMBINATION_P192 ||
3458 key->type == HCI_LK_UNAUTH_COMBINATION_P256) &&
Gustavo Padovan807deac2012-05-17 00:36:24 -03003459 conn->auth_type != 0xff && (conn->auth_type & 0x01)) {
Waldemar Rymarkiewicz60b83f52011-04-28 12:07:56 +02003460 BT_DBG("%s ignoring unauthenticated key", hdev->name);
3461 goto not_found;
3462 }
Johan Hedberg55ed8ca12011-01-17 14:41:05 +02003463
Waldemar Rymarkiewicz60b83f52011-04-28 12:07:56 +02003464 if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 &&
Johan Hedbergf3fb0b52014-06-02 10:12:44 +03003465 (conn->pending_sec_level == BT_SECURITY_HIGH ||
3466 conn->pending_sec_level == BT_SECURITY_FIPS)) {
Gustavo Padovan8fc9ced2012-05-23 04:04:21 -03003467 BT_DBG("%s ignoring key unauthenticated for high security",
3468 hdev->name);
Waldemar Rymarkiewicz60b83f52011-04-28 12:07:56 +02003469 goto not_found;
3470 }
3471
Johan Hedbergcb6f3f72014-11-19 14:53:04 +02003472 conn_set_key(conn, key->type, key->pin_len);
Johan Hedberg55ed8ca12011-01-17 14:41:05 +02003473 }
3474
3475 bacpy(&cp.bdaddr, &ev->bdaddr);
Andrei Emeltchenko9b3b4462012-05-23 11:31:20 +03003476 memcpy(cp.link_key, key->val, HCI_LINK_KEY_SIZE);
Johan Hedberg55ed8ca12011-01-17 14:41:05 +02003477
3478 hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp);
3479
3480 hci_dev_unlock(hdev);
3481
3482 return;
3483
3484not_found:
3485 hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr);
3486 hci_dev_unlock(hdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003487}
3488
Gustavo Padovan6039aa732012-05-23 04:04:18 -03003489static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
Linus Torvalds1da177e2005-04-16 15:20:36 -07003490{
Marcel Holtmann052b30b2009-04-26 20:01:22 +02003491 struct hci_ev_link_key_notify *ev = (void *) skb->data;
3492 struct hci_conn *conn;
Johan Hedberg7652ff62014-06-24 13:15:49 +03003493 struct link_key *key;
3494 bool persistent;
Johan Hedberg55ed8ca12011-01-17 14:41:05 +02003495 u8 pin_len = 0;
Marcel Holtmann052b30b2009-04-26 20:01:22 +02003496
Marcel Holtmanna9de9242007-10-20 13:33:56 +02003497 BT_DBG("%s", hdev->name);
Marcel Holtmann052b30b2009-04-26 20:01:22 +02003498
3499 hci_dev_lock(hdev);
3500
3501 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
Johan Hedberg82c13d42014-12-03 11:03:06 +02003502 if (!conn)
3503 goto unlock;
3504
3505 hci_conn_hold(conn);
3506 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
3507 hci_conn_drop(conn);
3508
Johan Hedbergfe8bc5a2014-08-14 12:33:17 +03003509 set_bit(HCI_CONN_NEW_LINK_KEY, &conn->flags);
Johan Hedberg82c13d42014-12-03 11:03:06 +02003510 conn_set_key(conn, ev->key_type, conn->pin_length);
Marcel Holtmann052b30b2009-04-26 20:01:22 +02003511
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07003512 if (!hci_dev_test_flag(hdev, HCI_MGMT))
Johan Hedberg7652ff62014-06-24 13:15:49 +03003513 goto unlock;
Johan Hedberg55ed8ca12011-01-17 14:41:05 +02003514
Johan Hedberg7652ff62014-06-24 13:15:49 +03003515 key = hci_add_link_key(hdev, conn, &ev->bdaddr, ev->link_key,
3516 ev->key_type, pin_len, &persistent);
3517 if (!key)
3518 goto unlock;
3519
Johan Hedbergcb6f3f72014-11-19 14:53:04 +02003520 /* Update connection information since adding the key will have
3521 * fixed up the type in the case of changed combination keys.
3522 */
3523 if (ev->key_type == HCI_LK_CHANGED_COMBINATION)
3524 conn_set_key(conn, key->type, key->pin_len);
3525
Johan Hedberg7652ff62014-06-24 13:15:49 +03003526 mgmt_new_link_key(hdev, key, persistent);
3527
Johan Hedberg6d5650c2014-06-24 13:15:51 +03003528 /* Keep debug keys around only if the HCI_KEEP_DEBUG_KEYS flag
3529 * is set. If it's not set simply remove the key from the kernel
3530 * list (we've still notified user space about it but with
3531 * store_hint being 0).
3532 */
3533 if (key->type == HCI_LK_DEBUG_COMBINATION &&
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07003534 !hci_dev_test_flag(hdev, HCI_KEEP_DEBUG_KEYS)) {
Johan Hedberg0378b592014-11-19 15:22:22 +02003535 list_del_rcu(&key->list);
3536 kfree_rcu(key, rcu);
Johan Hedberg82c13d42014-12-03 11:03:06 +02003537 goto unlock;
Johan Hedberg6d5650c2014-06-24 13:15:51 +03003538 }
Johan Hedberg7652ff62014-06-24 13:15:49 +03003539
Johan Hedberg82c13d42014-12-03 11:03:06 +02003540 if (persistent)
3541 clear_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
3542 else
3543 set_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
3544
Johan Hedberg7652ff62014-06-24 13:15:49 +03003545unlock:
Marcel Holtmann052b30b2009-04-26 20:01:22 +02003546 hci_dev_unlock(hdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003547}
3548
Gustavo Padovan6039aa732012-05-23 04:04:18 -03003549static void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb)
Marcel Holtmann04837f62006-07-03 10:02:33 +02003550{
Marcel Holtmanna9de9242007-10-20 13:33:56 +02003551 struct hci_ev_clock_offset *ev = (void *) skb->data;
Marcel Holtmann04837f62006-07-03 10:02:33 +02003552 struct hci_conn *conn;
3553
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +03003554 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
Marcel Holtmann04837f62006-07-03 10:02:33 +02003555
3556 hci_dev_lock(hdev);
3557
3558 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
Linus Torvalds1da177e2005-04-16 15:20:36 -07003559 if (conn && !ev->status) {
3560 struct inquiry_entry *ie;
3561
Andrei Emeltchenkocc11b9c2010-11-22 13:21:37 +02003562 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3563 if (ie) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003564 ie->data.clock_offset = ev->clock_offset;
3565 ie->timestamp = jiffies;
3566 }
3567 }
3568
3569 hci_dev_unlock(hdev);
3570}
3571
Gustavo Padovan6039aa732012-05-23 04:04:18 -03003572static void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
Marcel Holtmanna8746412008-07-14 20:13:46 +02003573{
3574 struct hci_ev_pkt_type_change *ev = (void *) skb->data;
3575 struct hci_conn *conn;
3576
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +03003577 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
Marcel Holtmanna8746412008-07-14 20:13:46 +02003578
3579 hci_dev_lock(hdev);
3580
3581 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3582 if (conn && !ev->status)
3583 conn->pkt_type = __le16_to_cpu(ev->pkt_type);
3584
3585 hci_dev_unlock(hdev);
3586}
3587
Gustavo Padovan6039aa732012-05-23 04:04:18 -03003588static void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb)
Marcel Holtmann85a1e932005-08-09 20:28:02 -07003589{
Marcel Holtmanna9de9242007-10-20 13:33:56 +02003590 struct hci_ev_pscan_rep_mode *ev = (void *) skb->data;
Marcel Holtmann85a1e932005-08-09 20:28:02 -07003591 struct inquiry_entry *ie;
3592
3593 BT_DBG("%s", hdev->name);
3594
3595 hci_dev_lock(hdev);
3596
Andrei Emeltchenkocc11b9c2010-11-22 13:21:37 +02003597 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
3598 if (ie) {
Marcel Holtmann85a1e932005-08-09 20:28:02 -07003599 ie->data.pscan_rep_mode = ev->pscan_rep_mode;
3600 ie->timestamp = jiffies;
3601 }
3602
3603 hci_dev_unlock(hdev);
3604}
3605
Gustavo Padovan6039aa732012-05-23 04:04:18 -03003606static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev,
3607 struct sk_buff *skb)
Marcel Holtmanna9de9242007-10-20 13:33:56 +02003608{
3609 struct inquiry_data data;
3610 int num_rsp = *((__u8 *) skb->data);
3611
3612 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
3613
3614 if (!num_rsp)
3615 return;
3616
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07003617 if (hci_dev_test_flag(hdev, HCI_PERIODIC_INQ))
Andre Guedes1519cc12012-03-21 00:03:38 -03003618 return;
3619
Marcel Holtmanna9de9242007-10-20 13:33:56 +02003620 hci_dev_lock(hdev);
3621
3622 if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) {
Szymon Janc138d22e2011-02-17 16:44:23 +01003623 struct inquiry_info_with_rssi_and_pscan_mode *info;
3624 info = (void *) (skb->data + 1);
Marcel Holtmanna9de9242007-10-20 13:33:56 +02003625
Johan Hedberge17acd42011-03-30 23:57:16 +03003626 for (; num_rsp; num_rsp--, info++) {
Marcel Holtmannaf589252014-07-01 14:11:20 +02003627 u32 flags;
3628
Marcel Holtmanna9de9242007-10-20 13:33:56 +02003629 bacpy(&data.bdaddr, &info->bdaddr);
3630 data.pscan_rep_mode = info->pscan_rep_mode;
3631 data.pscan_period_mode = info->pscan_period_mode;
3632 data.pscan_mode = info->pscan_mode;
3633 memcpy(data.dev_class, info->dev_class, 3);
3634 data.clock_offset = info->clock_offset;
3635 data.rssi = info->rssi;
Marcel Holtmann41a96212008-07-14 20:13:48 +02003636 data.ssp_mode = 0x00;
Johan Hedberg31754052012-01-04 13:39:52 +02003637
Marcel Holtmannaf589252014-07-01 14:11:20 +02003638 flags = hci_inquiry_cache_update(hdev, &data, false);
3639
Johan Hedberg48264f02011-11-09 13:58:58 +02003640 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03003641 info->dev_class, info->rssi,
Marcel Holtmannaf589252014-07-01 14:11:20 +02003642 flags, NULL, 0, NULL, 0);
Marcel Holtmanna9de9242007-10-20 13:33:56 +02003643 }
3644 } else {
3645 struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
3646
Johan Hedberge17acd42011-03-30 23:57:16 +03003647 for (; num_rsp; num_rsp--, info++) {
Marcel Holtmannaf589252014-07-01 14:11:20 +02003648 u32 flags;
3649
Marcel Holtmanna9de9242007-10-20 13:33:56 +02003650 bacpy(&data.bdaddr, &info->bdaddr);
3651 data.pscan_rep_mode = info->pscan_rep_mode;
3652 data.pscan_period_mode = info->pscan_period_mode;
3653 data.pscan_mode = 0x00;
3654 memcpy(data.dev_class, info->dev_class, 3);
3655 data.clock_offset = info->clock_offset;
3656 data.rssi = info->rssi;
Marcel Holtmann41a96212008-07-14 20:13:48 +02003657 data.ssp_mode = 0x00;
Marcel Holtmannaf589252014-07-01 14:11:20 +02003658
3659 flags = hci_inquiry_cache_update(hdev, &data, false);
3660
Johan Hedberg48264f02011-11-09 13:58:58 +02003661 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03003662 info->dev_class, info->rssi,
Marcel Holtmannaf589252014-07-01 14:11:20 +02003663 flags, NULL, 0, NULL, 0);
Marcel Holtmanna9de9242007-10-20 13:33:56 +02003664 }
3665 }
3666
3667 hci_dev_unlock(hdev);
3668}
3669
Gustavo Padovan6039aa732012-05-23 04:04:18 -03003670static void hci_remote_ext_features_evt(struct hci_dev *hdev,
3671 struct sk_buff *skb)
Marcel Holtmanna9de9242007-10-20 13:33:56 +02003672{
Marcel Holtmann41a96212008-07-14 20:13:48 +02003673 struct hci_ev_remote_ext_features *ev = (void *) skb->data;
3674 struct hci_conn *conn;
3675
Marcel Holtmanna9de9242007-10-20 13:33:56 +02003676 BT_DBG("%s", hdev->name);
Marcel Holtmann41a96212008-07-14 20:13:48 +02003677
Marcel Holtmann41a96212008-07-14 20:13:48 +02003678 hci_dev_lock(hdev);
3679
3680 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
Johan Hedbergccd556f2010-11-10 17:11:51 +02003681 if (!conn)
3682 goto unlock;
Marcel Holtmann41a96212008-07-14 20:13:48 +02003683
Johan Hedbergcad718e2013-04-17 15:00:51 +03003684 if (ev->page < HCI_MAX_PAGES)
3685 memcpy(conn->features[ev->page], ev->features, 8);
3686
Johan Hedbergccd556f2010-11-10 17:11:51 +02003687 if (!ev->status && ev->page == 0x01) {
3688 struct inquiry_entry *ie;
Marcel Holtmann41a96212008-07-14 20:13:48 +02003689
Andrei Emeltchenkocc11b9c2010-11-22 13:21:37 +02003690 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3691 if (ie)
Johan Hedberg02b7cc62012-02-28 02:28:43 +02003692 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
Marcel Holtmann769be972008-07-14 20:13:49 +02003693
Jaganath Kanakkasserybbb0ead2013-04-16 20:16:30 +05303694 if (ev->features[0] & LMP_HOST_SSP) {
Johan Hedberg58a681e2012-01-16 06:47:28 +02003695 set_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
Jaganath Kanakkasserybbb0ead2013-04-16 20:16:30 +05303696 } else {
3697 /* It is mandatory by the Bluetooth specification that
3698 * Extended Inquiry Results are only used when Secure
3699 * Simple Pairing is enabled, but some devices violate
3700 * this.
3701 *
3702 * To make these devices work, the internal SSP
3703 * enabled flag needs to be cleared if the remote host
3704 * features do not indicate SSP support */
3705 clear_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
3706 }
Marcel Holtmanneb9a8f32014-01-15 22:37:38 -08003707
3708 if (ev->features[0] & LMP_HOST_SC)
3709 set_bit(HCI_CONN_SC_ENABLED, &conn->flags);
Marcel Holtmann41a96212008-07-14 20:13:48 +02003710 }
3711
Johan Hedbergccd556f2010-11-10 17:11:51 +02003712 if (conn->state != BT_CONFIG)
3713 goto unlock;
3714
Johan Hedberg671267b2012-05-12 16:11:50 -03003715 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
Johan Hedberg127178d2010-11-18 22:22:29 +02003716 struct hci_cp_remote_name_req cp;
3717 memset(&cp, 0, sizeof(cp));
3718 bacpy(&cp.bdaddr, &conn->dst);
3719 cp.pscan_rep_mode = 0x02;
3720 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
Johan Hedbergb644ba32012-01-17 21:48:47 +02003721 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
Alfonso Acosta48ec92f2014-10-07 08:44:10 +00003722 mgmt_device_connected(hdev, conn, 0, NULL, 0);
Johan Hedberg392599b2010-11-18 22:22:28 +02003723
Johan Hedberg127178d2010-11-18 22:22:29 +02003724 if (!hci_outgoing_auth_needed(hdev, conn)) {
Johan Hedbergccd556f2010-11-10 17:11:51 +02003725 conn->state = BT_CONNECTED;
Johan Hedberg539c4962015-02-18 14:53:57 +02003726 hci_connect_cfm(conn, ev->status);
David Herrmann76a68ba2013-04-06 20:28:37 +02003727 hci_conn_drop(conn);
Johan Hedbergccd556f2010-11-10 17:11:51 +02003728 }
3729
3730unlock:
Marcel Holtmann41a96212008-07-14 20:13:48 +02003731 hci_dev_unlock(hdev);
Marcel Holtmanna9de9242007-10-20 13:33:56 +02003732}
3733
Gustavo Padovan6039aa732012-05-23 04:04:18 -03003734static void hci_sync_conn_complete_evt(struct hci_dev *hdev,
3735 struct sk_buff *skb)
Marcel Holtmanna9de9242007-10-20 13:33:56 +02003736{
Marcel Holtmannb6a0dc82007-10-20 14:55:10 +02003737 struct hci_ev_sync_conn_complete *ev = (void *) skb->data;
3738 struct hci_conn *conn;
3739
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +03003740 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
Marcel Holtmannb6a0dc82007-10-20 14:55:10 +02003741
3742 hci_dev_lock(hdev);
3743
3744 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
Marcel Holtmann9dc0a3a2008-07-14 20:13:46 +02003745 if (!conn) {
3746 if (ev->link_type == ESCO_LINK)
3747 goto unlock;
3748
Kuba Pawlak618353b2015-08-28 13:05:22 +01003749 /* When the link type in the event indicates SCO connection
3750 * and lookup of the connection object fails, then check
3751 * if an eSCO connection object exists.
3752 *
3753 * The core limits the synchronous connections to either
3754 * SCO or eSCO. The eSCO connection is preferred and tried
3755 * to be setup first and until successfully established,
3756 * the link type will be hinted as eSCO.
3757 */
Marcel Holtmann9dc0a3a2008-07-14 20:13:46 +02003758 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
3759 if (!conn)
3760 goto unlock;
Marcel Holtmann9dc0a3a2008-07-14 20:13:46 +02003761 }
Marcel Holtmannb6a0dc82007-10-20 14:55:10 +02003762
Marcel Holtmann732547f2009-04-19 19:14:14 +02003763 switch (ev->status) {
3764 case 0x00:
Marcel Holtmannb6a0dc82007-10-20 14:55:10 +02003765 conn->handle = __le16_to_cpu(ev->handle);
3766 conn->state = BT_CONNECTED;
Kuba Pawlak618353b2015-08-28 13:05:22 +01003767 conn->type = ev->link_type;
Marcel Holtmann7d0db0a2008-07-14 20:13:51 +02003768
Marcel Holtmann23b9ceb2014-12-20 17:13:41 +01003769 hci_debugfs_create_conn(conn);
Marcel Holtmann7d0db0a2008-07-14 20:13:51 +02003770 hci_conn_add_sysfs(conn);
Marcel Holtmann732547f2009-04-19 19:14:14 +02003771 break;
3772
Nick Pelly81218d22014-06-30 11:25:01 +05303773 case 0x10: /* Connection Accept Timeout */
Frédéric Dalleau1a4c9582013-08-19 14:24:02 +02003774 case 0x0d: /* Connection Rejected due to Limited Resources */
Stephen Coe705e5712010-02-16 11:29:44 -05003775 case 0x11: /* Unsupported Feature or Parameter Value */
Marcel Holtmann732547f2009-04-19 19:14:14 +02003776 case 0x1c: /* SCO interval rejected */
Nick Pelly1038a002010-02-03 11:42:26 -08003777 case 0x1a: /* Unsupported Remote Feature */
Marcel Holtmann732547f2009-04-19 19:14:14 +02003778 case 0x1f: /* Unspecified error */
Andrew Earl27539bc2014-03-10 10:31:04 +00003779 case 0x20: /* Unsupported LMP Parameter value */
Frédéric Dalleau2dea6322013-08-19 14:24:03 +02003780 if (conn->out) {
Marcel Holtmann732547f2009-04-19 19:14:14 +02003781 conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
3782 (hdev->esco_type & EDR_ESCO_MASK);
Frédéric Dalleau2dea6322013-08-19 14:24:03 +02003783 if (hci_setup_sync(conn, conn->link->handle))
3784 goto unlock;
Marcel Holtmann732547f2009-04-19 19:14:14 +02003785 }
3786 /* fall through */
3787
3788 default:
Marcel Holtmannb6a0dc82007-10-20 14:55:10 +02003789 conn->state = BT_CLOSED;
Marcel Holtmann732547f2009-04-19 19:14:14 +02003790 break;
3791 }
Marcel Holtmannb6a0dc82007-10-20 14:55:10 +02003792
Johan Hedberg539c4962015-02-18 14:53:57 +02003793 hci_connect_cfm(conn, ev->status);
Marcel Holtmannb6a0dc82007-10-20 14:55:10 +02003794 if (ev->status)
3795 hci_conn_del(conn);
3796
3797unlock:
3798 hci_dev_unlock(hdev);
Marcel Holtmanna9de9242007-10-20 13:33:56 +02003799}
3800
Marcel Holtmannefdcf8e2013-10-15 10:31:12 -07003801static inline size_t eir_get_length(u8 *eir, size_t eir_len)
3802{
3803 size_t parsed = 0;
3804
3805 while (parsed < eir_len) {
3806 u8 field_len = eir[0];
3807
3808 if (field_len == 0)
3809 return parsed;
3810
3811 parsed += field_len + 1;
3812 eir += field_len + 1;
3813 }
3814
3815 return eir_len;
3816}
3817
Gustavo Padovan6039aa732012-05-23 04:04:18 -03003818static void hci_extended_inquiry_result_evt(struct hci_dev *hdev,
3819 struct sk_buff *skb)
Marcel Holtmanna9de9242007-10-20 13:33:56 +02003820{
3821 struct inquiry_data data;
3822 struct extended_inquiry_info *info = (void *) (skb->data + 1);
3823 int num_rsp = *((__u8 *) skb->data);
Vishal Agarwal9d939d92012-04-26 19:19:56 +05303824 size_t eir_len;
Marcel Holtmanna9de9242007-10-20 13:33:56 +02003825
3826 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
3827
3828 if (!num_rsp)
3829 return;
3830
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07003831 if (hci_dev_test_flag(hdev, HCI_PERIODIC_INQ))
Andre Guedes1519cc12012-03-21 00:03:38 -03003832 return;
3833
Marcel Holtmanna9de9242007-10-20 13:33:56 +02003834 hci_dev_lock(hdev);
3835
Johan Hedberge17acd42011-03-30 23:57:16 +03003836 for (; num_rsp; num_rsp--, info++) {
Marcel Holtmannaf589252014-07-01 14:11:20 +02003837 u32 flags;
3838 bool name_known;
Johan Hedberg561aafb2012-01-04 13:31:59 +02003839
Marcel Holtmanna9de9242007-10-20 13:33:56 +02003840 bacpy(&data.bdaddr, &info->bdaddr);
Szymon Janc138d22e2011-02-17 16:44:23 +01003841 data.pscan_rep_mode = info->pscan_rep_mode;
3842 data.pscan_period_mode = info->pscan_period_mode;
3843 data.pscan_mode = 0x00;
Marcel Holtmanna9de9242007-10-20 13:33:56 +02003844 memcpy(data.dev_class, info->dev_class, 3);
Szymon Janc138d22e2011-02-17 16:44:23 +01003845 data.clock_offset = info->clock_offset;
3846 data.rssi = info->rssi;
Marcel Holtmann41a96212008-07-14 20:13:48 +02003847 data.ssp_mode = 0x01;
Johan Hedberg561aafb2012-01-04 13:31:59 +02003848
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07003849 if (hci_dev_test_flag(hdev, HCI_MGMT))
Johan Hedberg0d3b7f62016-01-05 13:19:31 +02003850 name_known = eir_get_data(info->data,
3851 sizeof(info->data),
3852 EIR_NAME_COMPLETE, NULL);
Johan Hedberg561aafb2012-01-04 13:31:59 +02003853 else
3854 name_known = true;
3855
Marcel Holtmannaf589252014-07-01 14:11:20 +02003856 flags = hci_inquiry_cache_update(hdev, &data, name_known);
3857
Vishal Agarwal9d939d92012-04-26 19:19:56 +05303858 eir_len = eir_get_length(info->data, sizeof(info->data));
Marcel Holtmannaf589252014-07-01 14:11:20 +02003859
Johan Hedberg48264f02011-11-09 13:58:58 +02003860 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
Marcel Holtmannaf589252014-07-01 14:11:20 +02003861 info->dev_class, info->rssi,
3862 flags, info->data, eir_len, NULL, 0);
Marcel Holtmanna9de9242007-10-20 13:33:56 +02003863 }
3864
3865 hci_dev_unlock(hdev);
3866}
3867
Johan Hedberg1c2e0042012-06-08 23:31:13 +08003868static void hci_key_refresh_complete_evt(struct hci_dev *hdev,
3869 struct sk_buff *skb)
3870{
3871 struct hci_ev_key_refresh_complete *ev = (void *) skb->data;
3872 struct hci_conn *conn;
3873
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +03003874 BT_DBG("%s status 0x%2.2x handle 0x%4.4x", hdev->name, ev->status,
Johan Hedberg1c2e0042012-06-08 23:31:13 +08003875 __le16_to_cpu(ev->handle));
3876
3877 hci_dev_lock(hdev);
3878
3879 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3880 if (!conn)
3881 goto unlock;
3882
Johan Hedberg9eb1fbf2014-04-11 12:02:31 -07003883 /* For BR/EDR the necessary steps are taken through the
3884 * auth_complete event.
3885 */
3886 if (conn->type != LE_LINK)
3887 goto unlock;
3888
Johan Hedberg1c2e0042012-06-08 23:31:13 +08003889 if (!ev->status)
3890 conn->sec_level = conn->pending_sec_level;
3891
3892 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
3893
3894 if (ev->status && conn->state == BT_CONNECTED) {
Andre Guedesbed71742013-01-30 11:50:56 -03003895 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
David Herrmann76a68ba2013-04-06 20:28:37 +02003896 hci_conn_drop(conn);
Johan Hedberg1c2e0042012-06-08 23:31:13 +08003897 goto unlock;
3898 }
3899
3900 if (conn->state == BT_CONFIG) {
3901 if (!ev->status)
3902 conn->state = BT_CONNECTED;
3903
Johan Hedberg539c4962015-02-18 14:53:57 +02003904 hci_connect_cfm(conn, ev->status);
David Herrmann76a68ba2013-04-06 20:28:37 +02003905 hci_conn_drop(conn);
Johan Hedberg1c2e0042012-06-08 23:31:13 +08003906 } else {
3907 hci_auth_cfm(conn, ev->status);
3908
3909 hci_conn_hold(conn);
3910 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
David Herrmann76a68ba2013-04-06 20:28:37 +02003911 hci_conn_drop(conn);
Johan Hedberg1c2e0042012-06-08 23:31:13 +08003912 }
3913
3914unlock:
3915 hci_dev_unlock(hdev);
3916}
3917
Gustavo Padovan6039aa732012-05-23 04:04:18 -03003918static u8 hci_get_auth_req(struct hci_conn *conn)
Johan Hedberg17fa4b92011-01-25 13:28:33 +02003919{
Johan Hedberg17fa4b92011-01-25 13:28:33 +02003920 /* If remote requests no-bonding follow that lead */
Mikel Astizacabae92013-06-28 10:56:28 +02003921 if (conn->remote_auth == HCI_AT_NO_BONDING ||
3922 conn->remote_auth == HCI_AT_NO_BONDING_MITM)
Waldemar Rymarkiewicz58797bf2011-04-28 12:07:58 +02003923 return conn->remote_auth | (conn->auth_type & 0x01);
Johan Hedberg17fa4b92011-01-25 13:28:33 +02003924
Mikel Astizb7f94c82014-04-08 14:21:31 +02003925 /* If both remote and local have enough IO capabilities, require
3926 * MITM protection
3927 */
3928 if (conn->remote_cap != HCI_IO_NO_INPUT_OUTPUT &&
3929 conn->io_capability != HCI_IO_NO_INPUT_OUTPUT)
3930 return conn->remote_auth | 0x01;
3931
Timo Mueller7e741702014-04-08 14:21:33 +02003932 /* No MITM protection possible so ignore remote requirement */
3933 return (conn->remote_auth & ~0x01) | (conn->auth_type & 0x01);
Johan Hedberg17fa4b92011-01-25 13:28:33 +02003934}
3935
Marcel Holtmanna83ed81e2015-01-27 16:04:32 -08003936static u8 bredr_oob_data_present(struct hci_conn *conn)
3937{
3938 struct hci_dev *hdev = conn->hdev;
3939 struct oob_data *data;
3940
3941 data = hci_find_remote_oob_data(hdev, &conn->dst, BDADDR_BREDR);
3942 if (!data)
3943 return 0x00;
3944
Marcel Holtmann455c2ff2015-03-15 16:42:53 -07003945 if (bredr_sc_enabled(hdev)) {
3946 /* When Secure Connections is enabled, then just
3947 * return the present value stored with the OOB
3948 * data. The stored value contains the right present
3949 * information. However it can only be trusted when
3950 * not in Secure Connection Only mode.
Marcel Holtmann659c7fb2015-01-30 23:20:56 -08003951 */
Marcel Holtmann455c2ff2015-03-15 16:42:53 -07003952 if (!hci_dev_test_flag(hdev, HCI_SC_ONLY))
3953 return data->present;
3954
3955 /* When Secure Connections Only mode is enabled, then
3956 * the P-256 values are required. If they are not
3957 * available, then do not declare that OOB data is
3958 * present.
3959 */
3960 if (!memcmp(data->rand256, ZERO_KEY, 16) ||
3961 !memcmp(data->hash256, ZERO_KEY, 16))
Marcel Holtmann659c7fb2015-01-30 23:20:56 -08003962 return 0x00;
3963
Marcel Holtmann455c2ff2015-03-15 16:42:53 -07003964 return 0x02;
Marcel Holtmann659c7fb2015-01-30 23:20:56 -08003965 }
Marcel Holtmanna83ed81e2015-01-27 16:04:32 -08003966
Marcel Holtmann455c2ff2015-03-15 16:42:53 -07003967 /* When Secure Connections is not enabled or actually
3968 * not supported by the hardware, then check that if
3969 * P-192 data values are present.
3970 */
3971 if (!memcmp(data->rand192, ZERO_KEY, 16) ||
3972 !memcmp(data->hash192, ZERO_KEY, 16))
3973 return 0x00;
3974
3975 return 0x01;
Marcel Holtmanna83ed81e2015-01-27 16:04:32 -08003976}
3977
Gustavo Padovan6039aa732012-05-23 04:04:18 -03003978static void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
Marcel Holtmann04936842008-07-14 20:13:48 +02003979{
3980 struct hci_ev_io_capa_request *ev = (void *) skb->data;
3981 struct hci_conn *conn;
3982
3983 BT_DBG("%s", hdev->name);
3984
3985 hci_dev_lock(hdev);
3986
3987 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
Johan Hedberg03b555e2011-01-04 15:40:05 +02003988 if (!conn)
3989 goto unlock;
Marcel Holtmann04936842008-07-14 20:13:48 +02003990
Johan Hedberg03b555e2011-01-04 15:40:05 +02003991 hci_conn_hold(conn);
3992
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07003993 if (!hci_dev_test_flag(hdev, HCI_MGMT))
Johan Hedberg03b555e2011-01-04 15:40:05 +02003994 goto unlock;
3995
Johan Hedberg2f407f02014-07-17 15:35:40 +03003996 /* Allow pairing if we're pairable, the initiators of the
3997 * pairing or if the remote is not requesting bonding.
3998 */
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07003999 if (hci_dev_test_flag(hdev, HCI_BONDABLE) ||
Johan Hedberg2f407f02014-07-17 15:35:40 +03004000 test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags) ||
Gustavo Padovan807deac2012-05-17 00:36:24 -03004001 (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) {
Johan Hedberg17fa4b92011-01-25 13:28:33 +02004002 struct hci_cp_io_capability_reply cp;
4003
4004 bacpy(&cp.bdaddr, &ev->bdaddr);
Hemant Gupta7a7f1e72012-01-16 13:34:29 +05304005 /* Change the IO capability from KeyboardDisplay
4006 * to DisplayYesNo as it is not supported by BT spec. */
4007 cp.capability = (conn->io_capability == 0x04) ?
Mikel Astiza7676312013-06-28 10:56:29 +02004008 HCI_IO_DISPLAY_YESNO : conn->io_capability;
Mikel Astizb7f94c82014-04-08 14:21:31 +02004009
4010 /* If we are initiators, there is no remote information yet */
4011 if (conn->remote_auth == 0xff) {
Mikel Astizb16c6602014-04-08 14:21:34 +02004012 /* Request MITM protection if our IO caps allow it
Johan Hedberg4ad51a72014-06-09 14:41:25 +03004013 * except for the no-bonding case.
Mikel Astizb16c6602014-04-08 14:21:34 +02004014 */
Mikel Astiz6fd6b912014-04-08 14:21:32 +02004015 if (conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
Johan Hedberg9f743d72014-07-17 11:56:33 +03004016 conn->auth_type != HCI_AT_NO_BONDING)
Johan Hedberg6c538232014-07-11 15:32:23 +03004017 conn->auth_type |= 0x01;
Mikel Astizb7f94c82014-04-08 14:21:31 +02004018 } else {
4019 conn->auth_type = hci_get_auth_req(conn);
Mikel Astizb7f94c82014-04-08 14:21:31 +02004020 }
Johan Hedberg17fa4b92011-01-25 13:28:33 +02004021
Johan Hedberg82c295b2014-07-30 09:22:24 +03004022 /* If we're not bondable, force one of the non-bondable
4023 * authentication requirement values.
4024 */
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07004025 if (!hci_dev_test_flag(hdev, HCI_BONDABLE))
Johan Hedberg82c295b2014-07-30 09:22:24 +03004026 conn->auth_type &= HCI_AT_NO_BONDING_MITM;
4027
4028 cp.authentication = conn->auth_type;
Marcel Holtmanna83ed81e2015-01-27 16:04:32 -08004029 cp.oob_data = bredr_oob_data_present(conn);
Szymon Jancce85ee12011-03-22 13:12:23 +01004030
Johan Hedberg17fa4b92011-01-25 13:28:33 +02004031 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY,
Gustavo Padovan807deac2012-05-17 00:36:24 -03004032 sizeof(cp), &cp);
Johan Hedberg03b555e2011-01-04 15:40:05 +02004033 } else {
4034 struct hci_cp_io_capability_neg_reply cp;
4035
4036 bacpy(&cp.bdaddr, &ev->bdaddr);
Andrei Emeltchenko9f5a0d72011-11-07 14:20:25 +02004037 cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED;
Johan Hedberg03b555e2011-01-04 15:40:05 +02004038
4039 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY,
Gustavo Padovan807deac2012-05-17 00:36:24 -03004040 sizeof(cp), &cp);
Johan Hedberg03b555e2011-01-04 15:40:05 +02004041 }
4042
4043unlock:
4044 hci_dev_unlock(hdev);
4045}
4046
Gustavo Padovan6039aa732012-05-23 04:04:18 -03004047static void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb)
Johan Hedberg03b555e2011-01-04 15:40:05 +02004048{
4049 struct hci_ev_io_capa_reply *ev = (void *) skb->data;
4050 struct hci_conn *conn;
4051
4052 BT_DBG("%s", hdev->name);
4053
4054 hci_dev_lock(hdev);
4055
4056 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
4057 if (!conn)
4058 goto unlock;
4059
Johan Hedberg03b555e2011-01-04 15:40:05 +02004060 conn->remote_cap = ev->capability;
Johan Hedberg03b555e2011-01-04 15:40:05 +02004061 conn->remote_auth = ev->authentication;
4062
4063unlock:
Marcel Holtmann04936842008-07-14 20:13:48 +02004064 hci_dev_unlock(hdev);
4065}
4066
Gustavo Padovan6039aa732012-05-23 04:04:18 -03004067static void hci_user_confirm_request_evt(struct hci_dev *hdev,
4068 struct sk_buff *skb)
Johan Hedberga5c29682011-02-19 12:05:57 -03004069{
4070 struct hci_ev_user_confirm_req *ev = (void *) skb->data;
Johan Hedberg55bc1a32011-04-28 11:28:56 -07004071 int loc_mitm, rem_mitm, confirm_hint = 0;
Johan Hedberg7a828902011-04-28 11:28:53 -07004072 struct hci_conn *conn;
Johan Hedberga5c29682011-02-19 12:05:57 -03004073
4074 BT_DBG("%s", hdev->name);
4075
4076 hci_dev_lock(hdev);
4077
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07004078 if (!hci_dev_test_flag(hdev, HCI_MGMT))
Johan Hedberg7a828902011-04-28 11:28:53 -07004079 goto unlock;
Johan Hedberga5c29682011-02-19 12:05:57 -03004080
Johan Hedberg7a828902011-04-28 11:28:53 -07004081 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
4082 if (!conn)
4083 goto unlock;
4084
4085 loc_mitm = (conn->auth_type & 0x01);
4086 rem_mitm = (conn->remote_auth & 0x01);
4087
4088 /* If we require MITM but the remote device can't provide that
Johan Hedberg6c538232014-07-11 15:32:23 +03004089 * (it has NoInputNoOutput) then reject the confirmation
4090 * request. We check the security level here since it doesn't
4091 * necessarily match conn->auth_type.
Mikel Astiz6fd6b912014-04-08 14:21:32 +02004092 */
Johan Hedberg6c538232014-07-11 15:32:23 +03004093 if (conn->pending_sec_level > BT_SECURITY_MEDIUM &&
4094 conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) {
Johan Hedberg7a828902011-04-28 11:28:53 -07004095 BT_DBG("Rejecting request: remote device can't provide MITM");
4096 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY,
Gustavo Padovan807deac2012-05-17 00:36:24 -03004097 sizeof(ev->bdaddr), &ev->bdaddr);
Johan Hedberg7a828902011-04-28 11:28:53 -07004098 goto unlock;
4099 }
4100
4101 /* If no side requires MITM protection; auto-accept */
Mikel Astiza7676312013-06-28 10:56:29 +02004102 if ((!loc_mitm || conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) &&
4103 (!rem_mitm || conn->io_capability == HCI_IO_NO_INPUT_OUTPUT)) {
Johan Hedberg55bc1a32011-04-28 11:28:56 -07004104
4105 /* If we're not the initiators request authorization to
4106 * proceed from user space (mgmt_user_confirm with
Johan Hedbergba15a582014-06-09 13:58:14 +03004107 * confirm_hint set to 1). The exception is if neither
Johan Hedberg02f3e252014-07-16 15:09:13 +03004108 * side had MITM or if the local IO capability is
4109 * NoInputNoOutput, in which case we do auto-accept
Johan Hedbergba15a582014-06-09 13:58:14 +03004110 */
4111 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) &&
Johan Hedberg02f3e252014-07-16 15:09:13 +03004112 conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
Johan Hedbergba15a582014-06-09 13:58:14 +03004113 (loc_mitm || rem_mitm)) {
Johan Hedberg55bc1a32011-04-28 11:28:56 -07004114 BT_DBG("Confirming auto-accept as acceptor");
4115 confirm_hint = 1;
4116 goto confirm;
4117 }
4118
Johan Hedberg9f616562011-04-28 11:28:54 -07004119 BT_DBG("Auto-accept of user confirmation with %ums delay",
Gustavo Padovan807deac2012-05-17 00:36:24 -03004120 hdev->auto_accept_delay);
Johan Hedberg9f616562011-04-28 11:28:54 -07004121
4122 if (hdev->auto_accept_delay > 0) {
4123 int delay = msecs_to_jiffies(hdev->auto_accept_delay);
Johan Hedberg7bc18d92013-10-16 18:11:39 +03004124 queue_delayed_work(conn->hdev->workqueue,
4125 &conn->auto_accept_work, delay);
Johan Hedberg9f616562011-04-28 11:28:54 -07004126 goto unlock;
4127 }
4128
Johan Hedberg7a828902011-04-28 11:28:53 -07004129 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY,
Gustavo Padovan807deac2012-05-17 00:36:24 -03004130 sizeof(ev->bdaddr), &ev->bdaddr);
Johan Hedberg7a828902011-04-28 11:28:53 -07004131 goto unlock;
4132 }
4133
Johan Hedberg55bc1a32011-04-28 11:28:56 -07004134confirm:
Johan Hedberg39adbff2014-03-20 08:18:14 +02004135 mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0,
4136 le32_to_cpu(ev->passkey), confirm_hint);
Johan Hedberg7a828902011-04-28 11:28:53 -07004137
4138unlock:
Johan Hedberga5c29682011-02-19 12:05:57 -03004139 hci_dev_unlock(hdev);
4140}
4141
Gustavo Padovan6039aa732012-05-23 04:04:18 -03004142static void hci_user_passkey_request_evt(struct hci_dev *hdev,
4143 struct sk_buff *skb)
Brian Gix1143d452011-11-23 08:28:34 -08004144{
4145 struct hci_ev_user_passkey_req *ev = (void *) skb->data;
4146
4147 BT_DBG("%s", hdev->name);
4148
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07004149 if (hci_dev_test_flag(hdev, HCI_MGMT))
Johan Hedberg272d90d2012-02-09 15:26:12 +02004150 mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0);
Brian Gix1143d452011-11-23 08:28:34 -08004151}
4152
Johan Hedberg92a25252012-09-06 18:39:26 +03004153static void hci_user_passkey_notify_evt(struct hci_dev *hdev,
4154 struct sk_buff *skb)
4155{
4156 struct hci_ev_user_passkey_notify *ev = (void *) skb->data;
4157 struct hci_conn *conn;
4158
4159 BT_DBG("%s", hdev->name);
4160
4161 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
4162 if (!conn)
4163 return;
4164
4165 conn->passkey_notify = __le32_to_cpu(ev->passkey);
4166 conn->passkey_entered = 0;
4167
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07004168 if (hci_dev_test_flag(hdev, HCI_MGMT))
Johan Hedberg92a25252012-09-06 18:39:26 +03004169 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
4170 conn->dst_type, conn->passkey_notify,
4171 conn->passkey_entered);
4172}
4173
4174static void hci_keypress_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
4175{
4176 struct hci_ev_keypress_notify *ev = (void *) skb->data;
4177 struct hci_conn *conn;
4178
4179 BT_DBG("%s", hdev->name);
4180
4181 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
4182 if (!conn)
4183 return;
4184
4185 switch (ev->type) {
4186 case HCI_KEYPRESS_STARTED:
4187 conn->passkey_entered = 0;
4188 return;
4189
4190 case HCI_KEYPRESS_ENTERED:
4191 conn->passkey_entered++;
4192 break;
4193
4194 case HCI_KEYPRESS_ERASED:
4195 conn->passkey_entered--;
4196 break;
4197
4198 case HCI_KEYPRESS_CLEARED:
4199 conn->passkey_entered = 0;
4200 break;
4201
4202 case HCI_KEYPRESS_COMPLETED:
4203 return;
4204 }
4205
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07004206 if (hci_dev_test_flag(hdev, HCI_MGMT))
Johan Hedberg92a25252012-09-06 18:39:26 +03004207 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
4208 conn->dst_type, conn->passkey_notify,
4209 conn->passkey_entered);
4210}
4211
Gustavo Padovan6039aa732012-05-23 04:04:18 -03004212static void hci_simple_pair_complete_evt(struct hci_dev *hdev,
4213 struct sk_buff *skb)
Marcel Holtmann04936842008-07-14 20:13:48 +02004214{
4215 struct hci_ev_simple_pair_complete *ev = (void *) skb->data;
4216 struct hci_conn *conn;
4217
4218 BT_DBG("%s", hdev->name);
4219
4220 hci_dev_lock(hdev);
4221
4222 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
Johan Hedberg2a611692011-02-19 12:06:00 -03004223 if (!conn)
4224 goto unlock;
Marcel Holtmann04936842008-07-14 20:13:48 +02004225
Johan Hedbergc1d4fa72014-07-17 15:14:50 +03004226 /* Reset the authentication requirement to unknown */
4227 conn->remote_auth = 0xff;
4228
Johan Hedberg2a611692011-02-19 12:06:00 -03004229 /* To avoid duplicate auth_failed events to user space we check
4230 * the HCI_CONN_AUTH_PEND flag which will be set if we
4231 * initiated the authentication. A traditional auth_complete
4232 * event gets always produced as initiator and is also mapped to
4233 * the mgmt_auth_failed event */
Mikel Astizfa1bd912012-08-09 09:52:29 +02004234 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && ev->status)
Johan Hedberge1e930f2014-09-08 17:09:49 -07004235 mgmt_auth_failed(conn, ev->status);
Johan Hedberg2a611692011-02-19 12:06:00 -03004236
David Herrmann76a68ba2013-04-06 20:28:37 +02004237 hci_conn_drop(conn);
Johan Hedberg2a611692011-02-19 12:06:00 -03004238
4239unlock:
Marcel Holtmann04936842008-07-14 20:13:48 +02004240 hci_dev_unlock(hdev);
4241}
4242
Gustavo Padovan6039aa732012-05-23 04:04:18 -03004243static void hci_remote_host_features_evt(struct hci_dev *hdev,
4244 struct sk_buff *skb)
Marcel Holtmann41a96212008-07-14 20:13:48 +02004245{
4246 struct hci_ev_remote_host_features *ev = (void *) skb->data;
4247 struct inquiry_entry *ie;
Johan Hedbergcad718e2013-04-17 15:00:51 +03004248 struct hci_conn *conn;
Marcel Holtmann41a96212008-07-14 20:13:48 +02004249
4250 BT_DBG("%s", hdev->name);
4251
4252 hci_dev_lock(hdev);
4253
Johan Hedbergcad718e2013-04-17 15:00:51 +03004254 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
4255 if (conn)
4256 memcpy(conn->features[1], ev->features, 8);
4257
Andrei Emeltchenkocc11b9c2010-11-22 13:21:37 +02004258 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
4259 if (ie)
Johan Hedberg02b7cc62012-02-28 02:28:43 +02004260 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
Marcel Holtmann41a96212008-07-14 20:13:48 +02004261
4262 hci_dev_unlock(hdev);
4263}
4264
Gustavo Padovan6039aa732012-05-23 04:04:18 -03004265static void hci_remote_oob_data_request_evt(struct hci_dev *hdev,
4266 struct sk_buff *skb)
Szymon Janc2763eda2011-03-22 13:12:22 +01004267{
4268 struct hci_ev_remote_oob_data_request *ev = (void *) skb->data;
4269 struct oob_data *data;
4270
4271 BT_DBG("%s", hdev->name);
4272
4273 hci_dev_lock(hdev);
4274
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07004275 if (!hci_dev_test_flag(hdev, HCI_MGMT))
Szymon Jance1ba1f12011-04-06 13:01:59 +02004276 goto unlock;
4277
Johan Hedberg6928a922014-10-26 20:46:09 +01004278 data = hci_find_remote_oob_data(hdev, &ev->bdaddr, BDADDR_BREDR);
Marcel Holtmann6665d052015-01-27 16:04:31 -08004279 if (!data) {
Szymon Janc2763eda2011-03-22 13:12:22 +01004280 struct hci_cp_remote_oob_data_neg_reply cp;
4281
4282 bacpy(&cp.bdaddr, &ev->bdaddr);
Marcel Holtmann519ca9d2014-01-10 02:07:28 -08004283 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY,
4284 sizeof(cp), &cp);
Marcel Holtmann6665d052015-01-27 16:04:31 -08004285 goto unlock;
4286 }
4287
4288 if (bredr_sc_enabled(hdev)) {
4289 struct hci_cp_remote_oob_ext_data_reply cp;
4290
4291 bacpy(&cp.bdaddr, &ev->bdaddr);
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07004292 if (hci_dev_test_flag(hdev, HCI_SC_ONLY)) {
Marcel Holtmann6665d052015-01-27 16:04:31 -08004293 memset(cp.hash192, 0, sizeof(cp.hash192));
4294 memset(cp.rand192, 0, sizeof(cp.rand192));
4295 } else {
4296 memcpy(cp.hash192, data->hash192, sizeof(cp.hash192));
4297 memcpy(cp.rand192, data->rand192, sizeof(cp.rand192));
4298 }
4299 memcpy(cp.hash256, data->hash256, sizeof(cp.hash256));
4300 memcpy(cp.rand256, data->rand256, sizeof(cp.rand256));
4301
4302 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_EXT_DATA_REPLY,
4303 sizeof(cp), &cp);
4304 } else {
4305 struct hci_cp_remote_oob_data_reply cp;
4306
4307 bacpy(&cp.bdaddr, &ev->bdaddr);
4308 memcpy(cp.hash, data->hash192, sizeof(cp.hash));
4309 memcpy(cp.rand, data->rand192, sizeof(cp.rand));
4310
4311 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY,
4312 sizeof(cp), &cp);
Szymon Janc2763eda2011-03-22 13:12:22 +01004313 }
4314
Szymon Jance1ba1f12011-04-06 13:01:59 +02004315unlock:
Szymon Janc2763eda2011-03-22 13:12:22 +01004316 hci_dev_unlock(hdev);
4317}
4318
Arron Wanga77a6a12015-07-24 17:13:15 +08004319#if IS_ENABLED(CONFIG_BT_HS)
4320static void hci_chan_selected_evt(struct hci_dev *hdev, struct sk_buff *skb)
4321{
4322 struct hci_ev_channel_selected *ev = (void *)skb->data;
4323 struct hci_conn *hcon;
4324
4325 BT_DBG("%s handle 0x%2.2x", hdev->name, ev->phy_handle);
4326
4327 skb_pull(skb, sizeof(*ev));
4328
4329 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4330 if (!hcon)
4331 return;
4332
4333 amp_read_loc_assoc_final_data(hdev, hcon);
4334}
4335
Andrei Emeltchenkod5e91192012-10-25 15:20:44 +03004336static void hci_phy_link_complete_evt(struct hci_dev *hdev,
4337 struct sk_buff *skb)
4338{
4339 struct hci_ev_phy_link_complete *ev = (void *) skb->data;
4340 struct hci_conn *hcon, *bredr_hcon;
4341
4342 BT_DBG("%s handle 0x%2.2x status 0x%2.2x", hdev->name, ev->phy_handle,
4343 ev->status);
4344
4345 hci_dev_lock(hdev);
4346
4347 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4348 if (!hcon) {
4349 hci_dev_unlock(hdev);
4350 return;
4351 }
4352
4353 if (ev->status) {
4354 hci_conn_del(hcon);
4355 hci_dev_unlock(hdev);
4356 return;
4357 }
4358
4359 bredr_hcon = hcon->amp_mgr->l2cap_conn->hcon;
4360
4361 hcon->state = BT_CONNECTED;
4362 bacpy(&hcon->dst, &bredr_hcon->dst);
4363
4364 hci_conn_hold(hcon);
4365 hcon->disc_timeout = HCI_DISCONN_TIMEOUT;
David Herrmann76a68ba2013-04-06 20:28:37 +02004366 hci_conn_drop(hcon);
Andrei Emeltchenkod5e91192012-10-25 15:20:44 +03004367
Marcel Holtmann23b9ceb2014-12-20 17:13:41 +01004368 hci_debugfs_create_conn(hcon);
Andrei Emeltchenkod5e91192012-10-25 15:20:44 +03004369 hci_conn_add_sysfs(hcon);
4370
Andrei Emeltchenkocf70ff22012-10-31 15:46:36 +02004371 amp_physical_cfm(bredr_hcon, hcon);
4372
Andrei Emeltchenkod5e91192012-10-25 15:20:44 +03004373 hci_dev_unlock(hdev);
Andrei Emeltchenkod5e91192012-10-25 15:20:44 +03004374}
4375
Andrei Emeltchenko27695fb2012-10-25 15:20:45 +03004376static void hci_loglink_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
4377{
4378 struct hci_ev_logical_link_complete *ev = (void *) skb->data;
4379 struct hci_conn *hcon;
4380 struct hci_chan *hchan;
4381 struct amp_mgr *mgr;
4382
4383 BT_DBG("%s log_handle 0x%4.4x phy_handle 0x%2.2x status 0x%2.2x",
4384 hdev->name, le16_to_cpu(ev->handle), ev->phy_handle,
4385 ev->status);
4386
4387 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4388 if (!hcon)
4389 return;
4390
4391 /* Create AMP hchan */
4392 hchan = hci_chan_create(hcon);
4393 if (!hchan)
4394 return;
4395
4396 hchan->handle = le16_to_cpu(ev->handle);
4397
4398 BT_DBG("hcon %p mgr %p hchan %p", hcon, hcon->amp_mgr, hchan);
4399
4400 mgr = hcon->amp_mgr;
4401 if (mgr && mgr->bredr_chan) {
4402 struct l2cap_chan *bredr_chan = mgr->bredr_chan;
4403
4404 l2cap_chan_lock(bredr_chan);
4405
4406 bredr_chan->conn->mtu = hdev->block_mtu;
4407 l2cap_logical_cfm(bredr_chan, hchan, 0);
4408 hci_conn_hold(hcon);
4409
4410 l2cap_chan_unlock(bredr_chan);
4411 }
4412}
4413
Andrei Emeltchenko606e2a12012-10-31 15:46:31 +02004414static void hci_disconn_loglink_complete_evt(struct hci_dev *hdev,
4415 struct sk_buff *skb)
4416{
4417 struct hci_ev_disconn_logical_link_complete *ev = (void *) skb->data;
4418 struct hci_chan *hchan;
4419
4420 BT_DBG("%s log handle 0x%4.4x status 0x%2.2x", hdev->name,
4421 le16_to_cpu(ev->handle), ev->status);
4422
4423 if (ev->status)
4424 return;
4425
4426 hci_dev_lock(hdev);
4427
4428 hchan = hci_chan_lookup_handle(hdev, le16_to_cpu(ev->handle));
4429 if (!hchan)
4430 goto unlock;
4431
4432 amp_destroy_logical_link(hchan, ev->reason);
4433
4434unlock:
4435 hci_dev_unlock(hdev);
4436}
4437
Andrei Emeltchenko9eef6b32012-10-31 15:46:32 +02004438static void hci_disconn_phylink_complete_evt(struct hci_dev *hdev,
4439 struct sk_buff *skb)
4440{
4441 struct hci_ev_disconn_phy_link_complete *ev = (void *) skb->data;
4442 struct hci_conn *hcon;
4443
4444 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4445
4446 if (ev->status)
4447 return;
4448
4449 hci_dev_lock(hdev);
4450
4451 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4452 if (hcon) {
4453 hcon->state = BT_CLOSED;
4454 hci_conn_del(hcon);
4455 }
4456
4457 hci_dev_unlock(hdev);
4458}
Arron Wanga77a6a12015-07-24 17:13:15 +08004459#endif
Andrei Emeltchenko9eef6b32012-10-31 15:46:32 +02004460
Gustavo Padovan6039aa732012-05-23 04:04:18 -03004461static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
Ville Tervofcd89c02011-02-10 22:38:47 -03004462{
4463 struct hci_ev_le_conn_complete *ev = (void *) skb->data;
Johan Hedberg912b42e2014-07-03 19:33:49 +03004464 struct hci_conn_params *params;
Ville Tervofcd89c02011-02-10 22:38:47 -03004465 struct hci_conn *conn;
Johan Hedberg68d6f6d2014-02-18 21:41:32 +02004466 struct smp_irk *irk;
Johan Hedberg837d5022014-07-02 09:36:22 +03004467 u8 addr_type;
Ville Tervofcd89c02011-02-10 22:38:47 -03004468
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +03004469 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
Ville Tervofcd89c02011-02-10 22:38:47 -03004470
4471 hci_dev_lock(hdev);
4472
Johan Hedbergfbd96c12014-07-08 17:21:51 +03004473 /* All controllers implicitly stop advertising in the event of a
4474 * connection, so ensure that the state bit is cleared.
4475 */
Marcel Holtmanna358dc12015-03-13 02:11:02 -07004476 hci_dev_clear_flag(hdev, HCI_LE_ADV);
Johan Hedbergfbd96c12014-07-08 17:21:51 +03004477
Jakub Pawlowskie7d9ab72015-08-07 20:22:52 +02004478 conn = hci_lookup_le_connect(hdev);
Ville Tervob62f3282011-02-10 22:38:50 -03004479 if (!conn) {
Johan Hedberga5c4e302014-07-16 11:56:07 +03004480 conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr, ev->role);
Ville Tervob62f3282011-02-10 22:38:50 -03004481 if (!conn) {
4482 BT_ERR("No memory for new connection");
Andre Guedes230fd162012-07-27 15:10:10 -03004483 goto unlock;
Ville Tervob62f3282011-02-10 22:38:50 -03004484 }
Andre Guedes29b79882011-05-31 14:20:54 -03004485
4486 conn->dst_type = ev->bdaddr_type;
Andre Guedesb9b343d2012-07-27 15:10:11 -03004487
Johan Hedbergcb1d68f2014-02-28 12:54:16 +02004488 /* If we didn't have a hci_conn object previously
4489 * but we're in master role this must be something
4490 * initiated using a white list. Since white list based
4491 * connections are not "first class citizens" we don't
4492 * have full tracking of them. Therefore, we go ahead
4493 * with a "best effort" approach of determining the
4494 * initiator address based on the HCI_PRIVACY flag.
4495 */
4496 if (conn->out) {
4497 conn->resp_addr_type = ev->bdaddr_type;
4498 bacpy(&conn->resp_addr, &ev->bdaddr);
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07004499 if (hci_dev_test_flag(hdev, HCI_PRIVACY)) {
Johan Hedbergcb1d68f2014-02-28 12:54:16 +02004500 conn->init_addr_type = ADDR_LE_DEV_RANDOM;
4501 bacpy(&conn->init_addr, &hdev->rpa);
4502 } else {
4503 hci_copy_identity_address(hdev,
4504 &conn->init_addr,
4505 &conn->init_addr_type);
4506 }
Johan Hedbergcb1d68f2014-02-28 12:54:16 +02004507 }
Johan Hedberg9489eca2014-02-28 17:45:46 +02004508 } else {
4509 cancel_delayed_work(&conn->le_conn_timeout);
Ville Tervob62f3282011-02-10 22:38:50 -03004510 }
Ville Tervofcd89c02011-02-10 22:38:47 -03004511
Johan Hedberg80c24ab2014-03-24 20:21:51 +02004512 if (!conn->out) {
4513 /* Set the responder (our side) address type based on
4514 * the advertising address type.
4515 */
4516 conn->resp_addr_type = hdev->adv_addr_type;
4517 if (hdev->adv_addr_type == ADDR_LE_DEV_RANDOM)
4518 bacpy(&conn->resp_addr, &hdev->random_addr);
4519 else
4520 bacpy(&conn->resp_addr, &hdev->bdaddr);
4521
4522 conn->init_addr_type = ev->bdaddr_type;
4523 bacpy(&conn->init_addr, &ev->bdaddr);
Marcel Holtmanna720d732014-06-23 12:14:51 +02004524
4525 /* For incoming connections, set the default minimum
4526 * and maximum connection interval. They will be used
4527 * to check if the parameters are in range and if not
4528 * trigger the connection update procedure.
4529 */
4530 conn->le_conn_min_interval = hdev->le_conn_min_interval;
4531 conn->le_conn_max_interval = hdev->le_conn_max_interval;
Johan Hedberg80c24ab2014-03-24 20:21:51 +02004532 }
Johan Hedberg7be2edb2014-02-23 19:42:17 +02004533
Marcel Holtmannedb4b462014-02-18 15:13:43 -08004534 /* Lookup the identity address from the stored connection
4535 * address and address type.
4536 *
4537 * When establishing connections to an identity address, the
4538 * connection procedure will store the resolvable random
4539 * address first. Now if it can be converted back into the
4540 * identity address, start using the identity address from
4541 * now on.
4542 */
4543 irk = hci_get_irk(hdev, &conn->dst, conn->dst_type);
Johan Hedberg68d6f6d2014-02-18 21:41:32 +02004544 if (irk) {
4545 bacpy(&conn->dst, &irk->bdaddr);
4546 conn->dst_type = irk->addr_type;
4547 }
4548
Johan Hedberg2d3c2262014-07-15 11:51:28 +03004549 if (ev->status) {
4550 hci_le_conn_failed(conn, ev->status);
Johan Hedberg837d5022014-07-02 09:36:22 +03004551 goto unlock;
4552 }
4553
Johan Hedberg08853f12014-08-15 21:06:55 +03004554 if (conn->dst_type == ADDR_LE_DEV_PUBLIC)
4555 addr_type = BDADDR_LE_PUBLIC;
4556 else
4557 addr_type = BDADDR_LE_RANDOM;
4558
Johan Hedberg2d3c2262014-07-15 11:51:28 +03004559 /* Drop the connection if the device is blocked */
4560 if (hci_bdaddr_list_lookup(&hdev->blacklist, &conn->dst, addr_type)) {
4561 hci_conn_drop(conn);
Andre Guedescd17dec2012-07-27 15:10:16 -03004562 goto unlock;
4563 }
4564
Johan Hedbergb644ba32012-01-17 21:48:47 +02004565 if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
Alfonso Acosta48ec92f2014-10-07 08:44:10 +00004566 mgmt_device_connected(hdev, conn, 0, NULL, 0);
Vinicius Costa Gomes83bc71b2011-05-06 18:41:43 -03004567
Vinicius Costa Gomes7b5c0d52011-06-09 18:50:50 -03004568 conn->sec_level = BT_SECURITY_LOW;
Ville Tervofcd89c02011-02-10 22:38:47 -03004569 conn->handle = __le16_to_cpu(ev->handle);
Marcel Holtmann0fe29fd2015-04-08 09:05:27 -07004570 conn->state = BT_CONFIG;
Ville Tervofcd89c02011-02-10 22:38:47 -03004571
Marcel Holtmanne04fde62014-06-23 11:40:04 +02004572 conn->le_conn_interval = le16_to_cpu(ev->interval);
4573 conn->le_conn_latency = le16_to_cpu(ev->latency);
4574 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4575
Marcel Holtmann23b9ceb2014-12-20 17:13:41 +01004576 hci_debugfs_create_conn(conn);
Ville Tervofcd89c02011-02-10 22:38:47 -03004577 hci_conn_add_sysfs(conn);
4578
Marcel Holtmann0fe29fd2015-04-08 09:05:27 -07004579 if (!ev->status) {
4580 /* The remote features procedure is defined for master
4581 * role only. So only in case of an initiated connection
4582 * request the remote features.
4583 *
4584 * If the local controller supports slave-initiated features
4585 * exchange, then requesting the remote features in slave
4586 * role is possible. Otherwise just transition into the
4587 * connected state without requesting the remote features.
4588 */
4589 if (conn->out ||
4590 (hdev->le_features[0] & HCI_LE_SLAVE_FEATURES)) {
4591 struct hci_cp_le_read_remote_features cp;
4592
4593 cp.handle = __cpu_to_le16(conn->handle);
4594
4595 hci_send_cmd(hdev, HCI_OP_LE_READ_REMOTE_FEATURES,
4596 sizeof(cp), &cp);
4597
4598 hci_conn_hold(conn);
4599 } else {
4600 conn->state = BT_CONNECTED;
4601 hci_connect_cfm(conn, ev->status);
4602 }
4603 } else {
4604 hci_connect_cfm(conn, ev->status);
4605 }
Ville Tervofcd89c02011-02-10 22:38:47 -03004606
Johan Hedberg54776102014-08-15 21:06:56 +03004607 params = hci_pend_le_action_lookup(&hdev->pend_le_conns, &conn->dst,
4608 conn->dst_type);
Johan Hedbergf161dd42014-08-15 21:06:54 +03004609 if (params) {
Johan Hedberg95305ba2014-07-04 12:37:21 +03004610 list_del_init(&params->action);
Johan Hedbergf161dd42014-08-15 21:06:54 +03004611 if (params->conn) {
4612 hci_conn_drop(params->conn);
Johan Hedbergf8aaf9b2014-08-17 23:28:57 +03004613 hci_conn_put(params->conn);
Johan Hedbergf161dd42014-08-15 21:06:54 +03004614 params->conn = NULL;
4615 }
4616 }
Andre Guedesa4790db2014-02-26 20:21:47 -03004617
Ville Tervofcd89c02011-02-10 22:38:47 -03004618unlock:
Johan Hedberg223683a2014-07-06 15:44:23 +03004619 hci_update_background_scan(hdev);
Ville Tervofcd89c02011-02-10 22:38:47 -03004620 hci_dev_unlock(hdev);
4621}
4622
Marcel Holtmann1855d922014-06-23 11:40:05 +02004623static void hci_le_conn_update_complete_evt(struct hci_dev *hdev,
4624 struct sk_buff *skb)
4625{
4626 struct hci_ev_le_conn_update_complete *ev = (void *) skb->data;
4627 struct hci_conn *conn;
4628
4629 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4630
4631 if (ev->status)
4632 return;
4633
4634 hci_dev_lock(hdev);
4635
4636 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
4637 if (conn) {
4638 conn->le_conn_interval = le16_to_cpu(ev->interval);
4639 conn->le_conn_latency = le16_to_cpu(ev->latency);
4640 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4641 }
4642
4643 hci_dev_unlock(hdev);
4644}
4645
Andre Guedesa4790db2014-02-26 20:21:47 -03004646/* This function requires the caller holds hdev->lock */
Alfonso Acostafd45ada2014-10-07 08:44:11 +00004647static struct hci_conn *check_pending_le_conn(struct hci_dev *hdev,
4648 bdaddr_t *addr,
4649 u8 addr_type, u8 adv_type)
Andre Guedesa4790db2014-02-26 20:21:47 -03004650{
4651 struct hci_conn *conn;
Marcel Holtmann4b9e7e72014-07-23 21:55:23 +02004652 struct hci_conn_params *params;
Andre Guedesa4790db2014-02-26 20:21:47 -03004653
Johan Hedberg1c1abca2014-07-07 12:45:53 +03004654 /* If the event is not connectable don't proceed further */
4655 if (adv_type != LE_ADV_IND && adv_type != LE_ADV_DIRECT_IND)
Alfonso Acostafd45ada2014-10-07 08:44:11 +00004656 return NULL;
Johan Hedberg1c1abca2014-07-07 12:45:53 +03004657
4658 /* Ignore if the device is blocked */
Johan Hedbergdcc36c12014-07-09 12:59:13 +03004659 if (hci_bdaddr_list_lookup(&hdev->blacklist, addr, addr_type))
Alfonso Acostafd45ada2014-10-07 08:44:11 +00004660 return NULL;
Johan Hedberg1c1abca2014-07-07 12:45:53 +03004661
Johan Hedbergf99353c2014-07-16 11:56:09 +03004662 /* Most controller will fail if we try to create new connections
4663 * while we have an existing one in slave role.
4664 */
4665 if (hdev->conn_hash.le_num_slave > 0)
Alfonso Acostafd45ada2014-10-07 08:44:11 +00004666 return NULL;
Johan Hedbergf99353c2014-07-16 11:56:09 +03004667
Johan Hedberg1c1abca2014-07-07 12:45:53 +03004668 /* If we're not connectable only connect devices that we have in
4669 * our pend_le_conns list.
4670 */
Johan Hedberg49c50922015-10-16 10:07:51 +03004671 params = hci_pend_le_action_lookup(&hdev->pend_le_conns, addr,
4672 addr_type);
Marcel Holtmann4b9e7e72014-07-23 21:55:23 +02004673 if (!params)
Alfonso Acostafd45ada2014-10-07 08:44:11 +00004674 return NULL;
Andre Guedesa4790db2014-02-26 20:21:47 -03004675
Jakub Pawlowski28a667c2015-08-07 20:22:54 +02004676 if (!params->explicit_connect) {
4677 switch (params->auto_connect) {
4678 case HCI_AUTO_CONN_DIRECT:
4679 /* Only devices advertising with ADV_DIRECT_IND are
4680 * triggering a connection attempt. This is allowing
4681 * incoming connections from slave devices.
4682 */
4683 if (adv_type != LE_ADV_DIRECT_IND)
4684 return NULL;
4685 break;
4686 case HCI_AUTO_CONN_ALWAYS:
4687 /* Devices advertising with ADV_IND or ADV_DIRECT_IND
4688 * are triggering a connection attempt. This means
4689 * that incoming connectioms from slave device are
4690 * accepted and also outgoing connections to slave
4691 * devices are established when found.
4692 */
4693 break;
4694 default:
Alfonso Acostafd45ada2014-10-07 08:44:11 +00004695 return NULL;
Jakub Pawlowski28a667c2015-08-07 20:22:54 +02004696 }
Marcel Holtmann4b9e7e72014-07-23 21:55:23 +02004697 }
4698
Andre Guedesa4790db2014-02-26 20:21:47 -03004699 conn = hci_connect_le(hdev, addr, addr_type, BT_SECURITY_LOW,
Johan Hedberge804d252014-07-16 11:42:28 +03004700 HCI_LE_AUTOCONN_TIMEOUT, HCI_ROLE_MASTER);
Johan Hedbergf161dd42014-08-15 21:06:54 +03004701 if (!IS_ERR(conn)) {
Jakub Pawlowski28a667c2015-08-07 20:22:54 +02004702 /* If HCI_AUTO_CONN_EXPLICIT is set, conn is already owned
4703 * by higher layer that tried to connect, if no then
4704 * store the pointer since we don't really have any
Johan Hedbergf161dd42014-08-15 21:06:54 +03004705 * other owner of the object besides the params that
4706 * triggered it. This way we can abort the connection if
4707 * the parameters get removed and keep the reference
4708 * count consistent once the connection is established.
4709 */
Jakub Pawlowski28a667c2015-08-07 20:22:54 +02004710
4711 if (!params->explicit_connect)
4712 params->conn = hci_conn_get(conn);
4713
Alfonso Acostafd45ada2014-10-07 08:44:11 +00004714 return conn;
Johan Hedbergf161dd42014-08-15 21:06:54 +03004715 }
Andre Guedesa4790db2014-02-26 20:21:47 -03004716
4717 switch (PTR_ERR(conn)) {
4718 case -EBUSY:
4719 /* If hci_connect() returns -EBUSY it means there is already
4720 * an LE connection attempt going on. Since controllers don't
4721 * support more than one connection attempt at the time, we
4722 * don't consider this an error case.
4723 */
4724 break;
4725 default:
4726 BT_DBG("Failed to connect: err %ld", PTR_ERR(conn));
Alfonso Acostafd45ada2014-10-07 08:44:11 +00004727 return NULL;
Andre Guedesa4790db2014-02-26 20:21:47 -03004728 }
Alfonso Acostafd45ada2014-10-07 08:44:11 +00004729
4730 return NULL;
Andre Guedesa4790db2014-02-26 20:21:47 -03004731}
4732
Johan Hedberg4af605d2014-03-24 10:48:00 +02004733static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr,
Marcel Holtmann2f010b52014-12-05 16:20:13 +01004734 u8 bdaddr_type, bdaddr_t *direct_addr,
4735 u8 direct_addr_type, s8 rssi, u8 *data, u8 len)
Johan Hedberg4af605d2014-03-24 10:48:00 +02004736{
Johan Hedbergb9a63282014-03-25 10:51:52 +02004737 struct discovery_state *d = &hdev->discovery;
Johan Hedberg1c1abca2014-07-07 12:45:53 +03004738 struct smp_irk *irk;
Alfonso Acostafd45ada2014-10-07 08:44:11 +00004739 struct hci_conn *conn;
Johan Hedberg474ee062014-03-25 14:34:59 +02004740 bool match;
Marcel Holtmannc70a7e42014-07-01 14:11:21 +02004741 u32 flags;
Szymon Janc68183752015-09-16 20:21:54 +02004742 u8 *ptr, real_len;
4743
Johan Hedberg56b40fb2016-04-07 21:01:27 +03004744 switch (type) {
4745 case LE_ADV_IND:
4746 case LE_ADV_DIRECT_IND:
4747 case LE_ADV_SCAN_IND:
4748 case LE_ADV_NONCONN_IND:
4749 case LE_ADV_SCAN_RSP:
4750 break;
4751 default:
4752 BT_ERR_RATELIMITED("Unknown advetising packet type: 0x%02x",
4753 type);
4754 return;
4755 }
4756
Szymon Janc68183752015-09-16 20:21:54 +02004757 /* Find the end of the data in case the report contains padded zero
4758 * bytes at the end causing an invalid length value.
4759 *
4760 * When data is NULL, len is 0 so there is no need for extra ptr
4761 * check as 'ptr < data + 0' is already false in such case.
4762 */
4763 for (ptr = data; ptr < data + len && *ptr; ptr += *ptr + 1) {
4764 if (ptr + 1 + *ptr > data + len)
4765 break;
4766 }
4767
4768 real_len = ptr - data;
4769
4770 /* Adjust for actual length */
4771 if (len != real_len) {
4772 BT_ERR_RATELIMITED("%s advertising data length corrected",
4773 hdev->name);
4774 len = real_len;
4775 }
Johan Hedbergb9a63282014-03-25 10:51:52 +02004776
Marcel Holtmann2f010b52014-12-05 16:20:13 +01004777 /* If the direct address is present, then this report is from
4778 * a LE Direct Advertising Report event. In that case it is
4779 * important to see if the address is matching the local
4780 * controller address.
4781 */
4782 if (direct_addr) {
4783 /* Only resolvable random addresses are valid for these
4784 * kind of reports and others can be ignored.
4785 */
4786 if (!hci_bdaddr_is_rpa(direct_addr, direct_addr_type))
4787 return;
4788
4789 /* If the controller is not using resolvable random
4790 * addresses, then this report can be ignored.
4791 */
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07004792 if (!hci_dev_test_flag(hdev, HCI_PRIVACY))
Marcel Holtmann2f010b52014-12-05 16:20:13 +01004793 return;
4794
4795 /* If the local IRK of the controller does not match
4796 * with the resolvable random address provided, then
4797 * this report can be ignored.
4798 */
4799 if (!smp_irk_matches(hdev, hdev->irk, direct_addr))
4800 return;
4801 }
4802
Johan Hedberg1c1abca2014-07-07 12:45:53 +03004803 /* Check if we need to convert to identity address */
4804 irk = hci_get_irk(hdev, bdaddr, bdaddr_type);
4805 if (irk) {
4806 bdaddr = &irk->bdaddr;
4807 bdaddr_type = irk->addr_type;
4808 }
4809
4810 /* Check if we have been requested to connect to this device */
Alfonso Acostafd45ada2014-10-07 08:44:11 +00004811 conn = check_pending_le_conn(hdev, bdaddr, bdaddr_type, type);
4812 if (conn && type == LE_ADV_IND) {
4813 /* Store report for later inclusion by
4814 * mgmt_device_connected
4815 */
4816 memcpy(conn->le_adv_data, data, len);
4817 conn->le_adv_data_len = len;
4818 }
Johan Hedberg1c1abca2014-07-07 12:45:53 +03004819
Johan Hedberg0d2bf132014-07-02 22:42:02 +03004820 /* Passive scanning shouldn't trigger any device found events,
4821 * except for devices marked as CONN_REPORT for which we do send
4822 * device found events.
4823 */
Johan Hedbergca5c4be2014-03-25 10:30:46 +02004824 if (hdev->le_scan_type == LE_SCAN_PASSIVE) {
Johan Hedberg0d2bf132014-07-02 22:42:02 +03004825 if (type == LE_ADV_DIRECT_IND)
4826 return;
4827
Johan Hedberg3a19b6f2014-07-15 08:07:59 +03004828 if (!hci_pend_le_action_lookup(&hdev->pend_le_reports,
4829 bdaddr, bdaddr_type))
Johan Hedberg0d2bf132014-07-02 22:42:02 +03004830 return;
4831
4832 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND)
4833 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4834 else
4835 flags = 0;
4836 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
4837 rssi, flags, data, len, NULL, 0);
Johan Hedberg97bf2e92014-07-04 12:37:16 +03004838 return;
Johan Hedbergca5c4be2014-03-25 10:30:46 +02004839 }
Johan Hedberg4af605d2014-03-24 10:48:00 +02004840
Marcel Holtmannc70a7e42014-07-01 14:11:21 +02004841 /* When receiving non-connectable or scannable undirected
4842 * advertising reports, this means that the remote device is
4843 * not connectable and then clearly indicate this in the
4844 * device found event.
4845 *
4846 * When receiving a scan response, then there is no way to
4847 * know if the remote device is connectable or not. However
4848 * since scan responses are merged with a previously seen
4849 * advertising report, the flags field from that report
4850 * will be used.
4851 *
4852 * In the really unlikely case that a controller get confused
4853 * and just sends a scan response event, then it is marked as
4854 * not connectable as well.
4855 */
4856 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND ||
4857 type == LE_ADV_SCAN_RSP)
4858 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4859 else
4860 flags = 0;
4861
Johan Hedbergb9a63282014-03-25 10:51:52 +02004862 /* If there's nothing pending either store the data from this
4863 * event or send an immediate device found event if the data
4864 * should not be stored for later.
4865 */
4866 if (!has_pending_adv_report(hdev)) {
4867 /* If the report will trigger a SCAN_REQ store it for
4868 * later merging.
4869 */
4870 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4871 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
Marcel Holtmannc70a7e42014-07-01 14:11:21 +02004872 rssi, flags, data, len);
Johan Hedbergb9a63282014-03-25 10:51:52 +02004873 return;
4874 }
4875
4876 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
Marcel Holtmannc70a7e42014-07-01 14:11:21 +02004877 rssi, flags, data, len, NULL, 0);
Johan Hedbergb9a63282014-03-25 10:51:52 +02004878 return;
4879 }
4880
Johan Hedberg474ee062014-03-25 14:34:59 +02004881 /* Check if the pending report is for the same device as the new one */
4882 match = (!bacmp(bdaddr, &d->last_adv_addr) &&
4883 bdaddr_type == d->last_adv_addr_type);
4884
Johan Hedbergb9a63282014-03-25 10:51:52 +02004885 /* If the pending data doesn't match this report or this isn't a
4886 * scan response (e.g. we got a duplicate ADV_IND) then force
4887 * sending of the pending data.
4888 */
Johan Hedberg474ee062014-03-25 14:34:59 +02004889 if (type != LE_ADV_SCAN_RSP || !match) {
4890 /* Send out whatever is in the cache, but skip duplicates */
4891 if (!match)
4892 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
Johan Hedbergff5cd292014-03-25 14:40:52 +02004893 d->last_adv_addr_type, NULL,
Marcel Holtmannc70a7e42014-07-01 14:11:21 +02004894 d->last_adv_rssi, d->last_adv_flags,
Johan Hedbergff5cd292014-03-25 14:40:52 +02004895 d->last_adv_data,
Johan Hedberg474ee062014-03-25 14:34:59 +02004896 d->last_adv_data_len, NULL, 0);
Johan Hedbergb9a63282014-03-25 10:51:52 +02004897
4898 /* If the new report will trigger a SCAN_REQ store it for
4899 * later merging.
4900 */
4901 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4902 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
Marcel Holtmannc70a7e42014-07-01 14:11:21 +02004903 rssi, flags, data, len);
Johan Hedbergb9a63282014-03-25 10:51:52 +02004904 return;
4905 }
4906
4907 /* The advertising reports cannot be merged, so clear
4908 * the pending report and send out a device found event.
4909 */
4910 clear_pending_adv_report(hdev);
Johan Hedberg5c5b93e2014-03-29 08:39:53 +02004911 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
Marcel Holtmannc70a7e42014-07-01 14:11:21 +02004912 rssi, flags, data, len, NULL, 0);
Johan Hedbergb9a63282014-03-25 10:51:52 +02004913 return;
4914 }
4915
4916 /* If we get here we've got a pending ADV_IND or ADV_SCAN_IND and
4917 * the new event is a SCAN_RSP. We can therefore proceed with
4918 * sending a merged device found event.
4919 */
4920 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
Marcel Holtmannc70a7e42014-07-01 14:11:21 +02004921 d->last_adv_addr_type, NULL, rssi, d->last_adv_flags,
Marcel Holtmann42bd6a52014-07-01 14:11:19 +02004922 d->last_adv_data, d->last_adv_data_len, data, len);
Johan Hedbergb9a63282014-03-25 10:51:52 +02004923 clear_pending_adv_report(hdev);
Johan Hedberg4af605d2014-03-24 10:48:00 +02004924}
4925
Gustavo Padovan6039aa732012-05-23 04:04:18 -03004926static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb)
Andre Guedes9aa04c92011-05-26 16:23:51 -03004927{
Andre Guedese95beb42011-09-26 20:48:35 -03004928 u8 num_reports = skb->data[0];
4929 void *ptr = &skb->data[1];
Andre Guedes9aa04c92011-05-26 16:23:51 -03004930
Andre Guedesa4790db2014-02-26 20:21:47 -03004931 hci_dev_lock(hdev);
4932
Andre Guedese95beb42011-09-26 20:48:35 -03004933 while (num_reports--) {
4934 struct hci_ev_le_advertising_info *ev = ptr;
Johan Hedberg4af605d2014-03-24 10:48:00 +02004935 s8 rssi;
Andre Guedesa4790db2014-02-26 20:21:47 -03004936
Andre Guedes3c9e9192012-01-10 18:20:50 -03004937 rssi = ev->data[ev->length];
Johan Hedberg4af605d2014-03-24 10:48:00 +02004938 process_adv_report(hdev, ev->evt_type, &ev->bdaddr,
Marcel Holtmann2f010b52014-12-05 16:20:13 +01004939 ev->bdaddr_type, NULL, 0, rssi,
4940 ev->data, ev->length);
Andre Guedes3c9e9192012-01-10 18:20:50 -03004941
Andre Guedese95beb42011-09-26 20:48:35 -03004942 ptr += sizeof(*ev) + ev->length + 1;
Andre Guedes9aa04c92011-05-26 16:23:51 -03004943 }
Andre Guedesa4790db2014-02-26 20:21:47 -03004944
4945 hci_dev_unlock(hdev);
Andre Guedes9aa04c92011-05-26 16:23:51 -03004946}
4947
Marcel Holtmann0fe29fd2015-04-08 09:05:27 -07004948static void hci_le_remote_feat_complete_evt(struct hci_dev *hdev,
4949 struct sk_buff *skb)
4950{
4951 struct hci_ev_le_remote_feat_complete *ev = (void *)skb->data;
4952 struct hci_conn *conn;
4953
4954 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4955
4956 hci_dev_lock(hdev);
4957
4958 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
4959 if (conn) {
4960 if (!ev->status)
4961 memcpy(conn->features[0], ev->features, 8);
4962
4963 if (conn->state == BT_CONFIG) {
4964 __u8 status;
4965
4966 /* If the local controller supports slave-initiated
4967 * features exchange, but the remote controller does
4968 * not, then it is possible that the error code 0x1a
4969 * for unsupported remote feature gets returned.
4970 *
4971 * In this specific case, allow the connection to
4972 * transition into connected state and mark it as
4973 * successful.
4974 */
4975 if ((hdev->le_features[0] & HCI_LE_SLAVE_FEATURES) &&
4976 !conn->out && ev->status == 0x1a)
4977 status = 0x00;
4978 else
4979 status = ev->status;
4980
4981 conn->state = BT_CONNECTED;
4982 hci_connect_cfm(conn, status);
4983 hci_conn_drop(conn);
4984 }
4985 }
4986
4987 hci_dev_unlock(hdev);
4988}
4989
Gustavo Padovan6039aa732012-05-23 04:04:18 -03004990static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
Vinicius Costa Gomesa7a595f2011-06-09 18:50:47 -03004991{
4992 struct hci_ev_le_ltk_req *ev = (void *) skb->data;
4993 struct hci_cp_le_ltk_reply cp;
Vinicius Costa Gomesbea710f2011-07-07 18:59:37 -03004994 struct hci_cp_le_ltk_neg_reply neg;
Vinicius Costa Gomesa7a595f2011-06-09 18:50:47 -03004995 struct hci_conn *conn;
Vinicius Costa Gomesc9839a12012-02-02 21:08:01 -03004996 struct smp_ltk *ltk;
Vinicius Costa Gomesa7a595f2011-06-09 18:50:47 -03004997
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +03004998 BT_DBG("%s handle 0x%4.4x", hdev->name, __le16_to_cpu(ev->handle));
Vinicius Costa Gomesa7a595f2011-06-09 18:50:47 -03004999
5000 hci_dev_lock(hdev);
5001
5002 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
Vinicius Costa Gomesbea710f2011-07-07 18:59:37 -03005003 if (conn == NULL)
5004 goto not_found;
Vinicius Costa Gomesa7a595f2011-06-09 18:50:47 -03005005
Johan Hedbergf3a73d92014-05-29 15:02:59 +03005006 ltk = hci_find_ltk(hdev, &conn->dst, conn->dst_type, conn->role);
Johan Hedberg5378bc52014-05-29 14:00:39 +03005007 if (!ltk)
Vinicius Costa Gomesbea710f2011-07-07 18:59:37 -03005008 goto not_found;
5009
Johan Hedberg5378bc52014-05-29 14:00:39 +03005010 if (smp_ltk_is_sc(ltk)) {
5011 /* With SC both EDiv and Rand are set to zero */
5012 if (ev->ediv || ev->rand)
5013 goto not_found;
5014 } else {
5015 /* For non-SC keys check that EDiv and Rand match */
5016 if (ev->ediv != ltk->ediv || ev->rand != ltk->rand)
5017 goto not_found;
5018 }
5019
Johan Hedberg8b76ce32015-06-08 18:14:39 +03005020 memcpy(cp.ltk, ltk->val, ltk->enc_size);
5021 memset(cp.ltk + ltk->enc_size, 0, sizeof(cp.ltk) - ltk->enc_size);
Vinicius Costa Gomesa7a595f2011-06-09 18:50:47 -03005022 cp.handle = cpu_to_le16(conn->handle);
Vinicius Costa Gomesc9839a12012-02-02 21:08:01 -03005023
Johan Hedberga6f78332014-09-10 17:37:45 -07005024 conn->pending_sec_level = smp_ltk_sec_level(ltk);
Vinicius Costa Gomesa7a595f2011-06-09 18:50:47 -03005025
Andre Guedes89cbb4d2013-07-31 16:25:29 -03005026 conn->enc_key_size = ltk->enc_size;
Vinicius Costa Gomesa7a595f2011-06-09 18:50:47 -03005027
5028 hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);
5029
Claudio Takahasi5981a882013-07-25 16:34:24 -03005030 /* Ref. Bluetooth Core SPEC pages 1975 and 2004. STK is a
5031 * temporary key used to encrypt a connection following
5032 * pairing. It is used during the Encrypted Session Setup to
5033 * distribute the keys. Later, security can be re-established
5034 * using a distributed LTK.
5035 */
Johan Hedberg2ceba532014-06-16 19:25:16 +03005036 if (ltk->type == SMP_STK) {
Johan Hedbergfe59a052014-07-01 19:14:12 +03005037 set_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
Johan Hedberg970d0f12014-11-13 14:37:47 +02005038 list_del_rcu(&ltk->list);
5039 kfree_rcu(ltk, rcu);
Johan Hedbergfe59a052014-07-01 19:14:12 +03005040 } else {
5041 clear_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
Vinicius Costa Gomesc9839a12012-02-02 21:08:01 -03005042 }
5043
Vinicius Costa Gomesa7a595f2011-06-09 18:50:47 -03005044 hci_dev_unlock(hdev);
Vinicius Costa Gomesbea710f2011-07-07 18:59:37 -03005045
5046 return;
5047
5048not_found:
5049 neg.handle = ev->handle;
5050 hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg);
5051 hci_dev_unlock(hdev);
Vinicius Costa Gomesa7a595f2011-06-09 18:50:47 -03005052}
5053
Andre Guedes8e75b462014-07-01 18:10:08 -03005054static void send_conn_param_neg_reply(struct hci_dev *hdev, u16 handle,
5055 u8 reason)
5056{
5057 struct hci_cp_le_conn_param_req_neg_reply cp;
5058
5059 cp.handle = cpu_to_le16(handle);
5060 cp.reason = reason;
5061
5062 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_NEG_REPLY, sizeof(cp),
5063 &cp);
5064}
5065
5066static void hci_le_remote_conn_param_req_evt(struct hci_dev *hdev,
5067 struct sk_buff *skb)
5068{
5069 struct hci_ev_le_remote_conn_param_req *ev = (void *) skb->data;
5070 struct hci_cp_le_conn_param_req_reply cp;
5071 struct hci_conn *hcon;
5072 u16 handle, min, max, latency, timeout;
5073
5074 handle = le16_to_cpu(ev->handle);
5075 min = le16_to_cpu(ev->interval_min);
5076 max = le16_to_cpu(ev->interval_max);
5077 latency = le16_to_cpu(ev->latency);
5078 timeout = le16_to_cpu(ev->timeout);
5079
5080 hcon = hci_conn_hash_lookup_handle(hdev, handle);
5081 if (!hcon || hcon->state != BT_CONNECTED)
5082 return send_conn_param_neg_reply(hdev, handle,
5083 HCI_ERROR_UNKNOWN_CONN_ID);
5084
5085 if (hci_check_conn_params(min, max, latency, timeout))
5086 return send_conn_param_neg_reply(hdev, handle,
5087 HCI_ERROR_INVALID_LL_PARAMS);
5088
Johan Hedberg40bef302014-07-16 11:42:27 +03005089 if (hcon->role == HCI_ROLE_MASTER) {
Johan Hedberg348d50b2014-07-02 17:37:30 +03005090 struct hci_conn_params *params;
Johan Hedbergf4869e22014-07-02 17:37:32 +03005091 u8 store_hint;
Johan Hedberg348d50b2014-07-02 17:37:30 +03005092
5093 hci_dev_lock(hdev);
5094
5095 params = hci_conn_params_lookup(hdev, &hcon->dst,
5096 hcon->dst_type);
5097 if (params) {
5098 params->conn_min_interval = min;
5099 params->conn_max_interval = max;
5100 params->conn_latency = latency;
5101 params->supervision_timeout = timeout;
Johan Hedbergf4869e22014-07-02 17:37:32 +03005102 store_hint = 0x01;
5103 } else{
5104 store_hint = 0x00;
Johan Hedberg348d50b2014-07-02 17:37:30 +03005105 }
5106
5107 hci_dev_unlock(hdev);
5108
Johan Hedbergf4869e22014-07-02 17:37:32 +03005109 mgmt_new_conn_param(hdev, &hcon->dst, hcon->dst_type,
5110 store_hint, min, max, latency, timeout);
Johan Hedberg348d50b2014-07-02 17:37:30 +03005111 }
Andre Guedesffb5a8272014-07-01 18:10:11 -03005112
Andre Guedes8e75b462014-07-01 18:10:08 -03005113 cp.handle = ev->handle;
5114 cp.interval_min = ev->interval_min;
5115 cp.interval_max = ev->interval_max;
5116 cp.latency = ev->latency;
5117 cp.timeout = ev->timeout;
5118 cp.min_ce_len = 0;
5119 cp.max_ce_len = 0;
5120
5121 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_REPLY, sizeof(cp), &cp);
5122}
5123
Marcel Holtmann2f010b52014-12-05 16:20:13 +01005124static void hci_le_direct_adv_report_evt(struct hci_dev *hdev,
5125 struct sk_buff *skb)
5126{
5127 u8 num_reports = skb->data[0];
5128 void *ptr = &skb->data[1];
5129
5130 hci_dev_lock(hdev);
5131
5132 while (num_reports--) {
5133 struct hci_ev_le_direct_adv_info *ev = ptr;
5134
5135 process_adv_report(hdev, ev->evt_type, &ev->bdaddr,
5136 ev->bdaddr_type, &ev->direct_addr,
5137 ev->direct_addr_type, ev->rssi, NULL, 0);
5138
5139 ptr += sizeof(*ev);
5140 }
5141
5142 hci_dev_unlock(hdev);
5143}
5144
Gustavo Padovan6039aa732012-05-23 04:04:18 -03005145static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
Ville Tervofcd89c02011-02-10 22:38:47 -03005146{
5147 struct hci_ev_le_meta *le_ev = (void *) skb->data;
5148
5149 skb_pull(skb, sizeof(*le_ev));
5150
5151 switch (le_ev->subevent) {
5152 case HCI_EV_LE_CONN_COMPLETE:
5153 hci_le_conn_complete_evt(hdev, skb);
5154 break;
5155
Marcel Holtmann1855d922014-06-23 11:40:05 +02005156 case HCI_EV_LE_CONN_UPDATE_COMPLETE:
5157 hci_le_conn_update_complete_evt(hdev, skb);
5158 break;
5159
Andre Guedes9aa04c92011-05-26 16:23:51 -03005160 case HCI_EV_LE_ADVERTISING_REPORT:
5161 hci_le_adv_report_evt(hdev, skb);
5162 break;
5163
Marcel Holtmann0fe29fd2015-04-08 09:05:27 -07005164 case HCI_EV_LE_REMOTE_FEAT_COMPLETE:
5165 hci_le_remote_feat_complete_evt(hdev, skb);
5166 break;
5167
Vinicius Costa Gomesa7a595f2011-06-09 18:50:47 -03005168 case HCI_EV_LE_LTK_REQ:
5169 hci_le_ltk_request_evt(hdev, skb);
5170 break;
5171
Andre Guedes8e75b462014-07-01 18:10:08 -03005172 case HCI_EV_LE_REMOTE_CONN_PARAM_REQ:
5173 hci_le_remote_conn_param_req_evt(hdev, skb);
5174 break;
5175
Marcel Holtmann2f010b52014-12-05 16:20:13 +01005176 case HCI_EV_LE_DIRECT_ADV_REPORT:
5177 hci_le_direct_adv_report_evt(hdev, skb);
5178 break;
5179
Ville Tervofcd89c02011-02-10 22:38:47 -03005180 default:
5181 break;
5182 }
5183}
5184
Johan Hedberg757aa0b2015-04-02 13:41:12 +03005185static bool hci_get_cmd_complete(struct hci_dev *hdev, u16 opcode,
5186 u8 event, struct sk_buff *skb)
5187{
5188 struct hci_ev_cmd_complete *ev;
5189 struct hci_event_hdr *hdr;
5190
5191 if (!skb)
5192 return false;
5193
5194 if (skb->len < sizeof(*hdr)) {
5195 BT_ERR("Too short HCI event");
5196 return false;
5197 }
5198
5199 hdr = (void *) skb->data;
5200 skb_pull(skb, HCI_EVENT_HDR_SIZE);
5201
5202 if (event) {
5203 if (hdr->evt != event)
5204 return false;
5205 return true;
5206 }
5207
5208 if (hdr->evt != HCI_EV_CMD_COMPLETE) {
5209 BT_DBG("Last event is not cmd complete (0x%2.2x)", hdr->evt);
5210 return false;
5211 }
5212
5213 if (skb->len < sizeof(*ev)) {
5214 BT_ERR("Too short cmd_complete event");
5215 return false;
5216 }
5217
5218 ev = (void *) skb->data;
5219 skb_pull(skb, sizeof(*ev));
5220
5221 if (opcode != __le16_to_cpu(ev->opcode)) {
5222 BT_DBG("opcode doesn't match (0x%2.2x != 0x%2.2x)", opcode,
5223 __le16_to_cpu(ev->opcode));
5224 return false;
5225 }
5226
5227 return true;
5228}
5229
Linus Torvalds1da177e2005-04-16 15:20:36 -07005230void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
5231{
Marcel Holtmanna9de9242007-10-20 13:33:56 +02005232 struct hci_event_hdr *hdr = (void *) skb->data;
Johan Hedberge62144872015-04-02 13:41:08 +03005233 hci_req_complete_t req_complete = NULL;
5234 hci_req_complete_skb_t req_complete_skb = NULL;
5235 struct sk_buff *orig_skb = NULL;
Johan Hedberg757aa0b2015-04-02 13:41:12 +03005236 u8 status = 0, event = hdr->evt, req_evt = 0;
Johan Hedberge62144872015-04-02 13:41:08 +03005237 u16 opcode = HCI_OP_NOP;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005238
Marcel Holtmann242c0eb2015-10-25 22:45:53 +01005239 if (hdev->sent_cmd && bt_cb(hdev->sent_cmd)->hci.req_event == event) {
Johannes Bergc1f23a22013-10-07 18:19:16 +02005240 struct hci_command_hdr *cmd_hdr = (void *) hdev->sent_cmd->data;
Johan Hedberge62144872015-04-02 13:41:08 +03005241 opcode = __le16_to_cpu(cmd_hdr->opcode);
5242 hci_req_cmd_complete(hdev, opcode, status, &req_complete,
5243 &req_complete_skb);
Johan Hedberg757aa0b2015-04-02 13:41:12 +03005244 req_evt = event;
Johan Hedberg02350a72013-04-03 21:50:29 +03005245 }
5246
Johan Hedberge62144872015-04-02 13:41:08 +03005247 /* If it looks like we might end up having to call
5248 * req_complete_skb, store a pristine copy of the skb since the
5249 * various handlers may modify the original one through
5250 * skb_pull() calls, etc.
5251 */
5252 if (req_complete_skb || event == HCI_EV_CMD_STATUS ||
5253 event == HCI_EV_CMD_COMPLETE)
5254 orig_skb = skb_clone(skb, GFP_KERNEL);
5255
5256 skb_pull(skb, HCI_EVENT_HDR_SIZE);
5257
Marcel Holtmanna9de9242007-10-20 13:33:56 +02005258 switch (event) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005259 case HCI_EV_INQUIRY_COMPLETE:
5260 hci_inquiry_complete_evt(hdev, skb);
5261 break;
5262
5263 case HCI_EV_INQUIRY_RESULT:
5264 hci_inquiry_result_evt(hdev, skb);
5265 break;
5266
Marcel Holtmanna9de9242007-10-20 13:33:56 +02005267 case HCI_EV_CONN_COMPLETE:
5268 hci_conn_complete_evt(hdev, skb);
Marcel Holtmann21d9e302005-09-13 01:32:25 +02005269 break;
5270
Linus Torvalds1da177e2005-04-16 15:20:36 -07005271 case HCI_EV_CONN_REQUEST:
5272 hci_conn_request_evt(hdev, skb);
5273 break;
5274
Linus Torvalds1da177e2005-04-16 15:20:36 -07005275 case HCI_EV_DISCONN_COMPLETE:
5276 hci_disconn_complete_evt(hdev, skb);
5277 break;
5278
Linus Torvalds1da177e2005-04-16 15:20:36 -07005279 case HCI_EV_AUTH_COMPLETE:
5280 hci_auth_complete_evt(hdev, skb);
5281 break;
5282
Marcel Holtmanna9de9242007-10-20 13:33:56 +02005283 case HCI_EV_REMOTE_NAME:
5284 hci_remote_name_evt(hdev, skb);
5285 break;
5286
Linus Torvalds1da177e2005-04-16 15:20:36 -07005287 case HCI_EV_ENCRYPT_CHANGE:
5288 hci_encrypt_change_evt(hdev, skb);
5289 break;
5290
Marcel Holtmanna9de9242007-10-20 13:33:56 +02005291 case HCI_EV_CHANGE_LINK_KEY_COMPLETE:
5292 hci_change_link_key_complete_evt(hdev, skb);
5293 break;
5294
5295 case HCI_EV_REMOTE_FEATURES:
5296 hci_remote_features_evt(hdev, skb);
5297 break;
5298
Marcel Holtmanna9de9242007-10-20 13:33:56 +02005299 case HCI_EV_CMD_COMPLETE:
Johan Hedberge62144872015-04-02 13:41:08 +03005300 hci_cmd_complete_evt(hdev, skb, &opcode, &status,
5301 &req_complete, &req_complete_skb);
Marcel Holtmanna9de9242007-10-20 13:33:56 +02005302 break;
5303
5304 case HCI_EV_CMD_STATUS:
Johan Hedberge62144872015-04-02 13:41:08 +03005305 hci_cmd_status_evt(hdev, skb, &opcode, &status, &req_complete,
5306 &req_complete_skb);
Marcel Holtmanna9de9242007-10-20 13:33:56 +02005307 break;
5308
Marcel Holtmann24dfa342014-11-02 02:56:41 +01005309 case HCI_EV_HARDWARE_ERROR:
5310 hci_hardware_error_evt(hdev, skb);
5311 break;
5312
Marcel Holtmanna9de9242007-10-20 13:33:56 +02005313 case HCI_EV_ROLE_CHANGE:
5314 hci_role_change_evt(hdev, skb);
5315 break;
5316
5317 case HCI_EV_NUM_COMP_PKTS:
5318 hci_num_comp_pkts_evt(hdev, skb);
5319 break;
5320
5321 case HCI_EV_MODE_CHANGE:
5322 hci_mode_change_evt(hdev, skb);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005323 break;
5324
5325 case HCI_EV_PIN_CODE_REQ:
5326 hci_pin_code_request_evt(hdev, skb);
5327 break;
5328
5329 case HCI_EV_LINK_KEY_REQ:
5330 hci_link_key_request_evt(hdev, skb);
5331 break;
5332
5333 case HCI_EV_LINK_KEY_NOTIFY:
5334 hci_link_key_notify_evt(hdev, skb);
5335 break;
5336
5337 case HCI_EV_CLOCK_OFFSET:
5338 hci_clock_offset_evt(hdev, skb);
5339 break;
5340
Marcel Holtmanna8746412008-07-14 20:13:46 +02005341 case HCI_EV_PKT_TYPE_CHANGE:
5342 hci_pkt_type_change_evt(hdev, skb);
5343 break;
5344
Marcel Holtmann85a1e932005-08-09 20:28:02 -07005345 case HCI_EV_PSCAN_REP_MODE:
5346 hci_pscan_rep_mode_evt(hdev, skb);
5347 break;
5348
Marcel Holtmanna9de9242007-10-20 13:33:56 +02005349 case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
5350 hci_inquiry_result_with_rssi_evt(hdev, skb);
5351 break;
5352
5353 case HCI_EV_REMOTE_EXT_FEATURES:
5354 hci_remote_ext_features_evt(hdev, skb);
5355 break;
5356
5357 case HCI_EV_SYNC_CONN_COMPLETE:
5358 hci_sync_conn_complete_evt(hdev, skb);
5359 break;
5360
Marcel Holtmanna9de9242007-10-20 13:33:56 +02005361 case HCI_EV_EXTENDED_INQUIRY_RESULT:
5362 hci_extended_inquiry_result_evt(hdev, skb);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005363 break;
5364
Johan Hedberg1c2e0042012-06-08 23:31:13 +08005365 case HCI_EV_KEY_REFRESH_COMPLETE:
5366 hci_key_refresh_complete_evt(hdev, skb);
5367 break;
5368
Marcel Holtmann04936842008-07-14 20:13:48 +02005369 case HCI_EV_IO_CAPA_REQUEST:
5370 hci_io_capa_request_evt(hdev, skb);
5371 break;
5372
Johan Hedberg03b555e2011-01-04 15:40:05 +02005373 case HCI_EV_IO_CAPA_REPLY:
5374 hci_io_capa_reply_evt(hdev, skb);
5375 break;
5376
Johan Hedberga5c29682011-02-19 12:05:57 -03005377 case HCI_EV_USER_CONFIRM_REQUEST:
5378 hci_user_confirm_request_evt(hdev, skb);
5379 break;
5380
Brian Gix1143d452011-11-23 08:28:34 -08005381 case HCI_EV_USER_PASSKEY_REQUEST:
5382 hci_user_passkey_request_evt(hdev, skb);
5383 break;
5384
Johan Hedberg92a25252012-09-06 18:39:26 +03005385 case HCI_EV_USER_PASSKEY_NOTIFY:
5386 hci_user_passkey_notify_evt(hdev, skb);
5387 break;
5388
5389 case HCI_EV_KEYPRESS_NOTIFY:
5390 hci_keypress_notify_evt(hdev, skb);
5391 break;
5392
Marcel Holtmann04936842008-07-14 20:13:48 +02005393 case HCI_EV_SIMPLE_PAIR_COMPLETE:
5394 hci_simple_pair_complete_evt(hdev, skb);
5395 break;
5396
Marcel Holtmann41a96212008-07-14 20:13:48 +02005397 case HCI_EV_REMOTE_HOST_FEATURES:
5398 hci_remote_host_features_evt(hdev, skb);
5399 break;
5400
Ville Tervofcd89c02011-02-10 22:38:47 -03005401 case HCI_EV_LE_META:
5402 hci_le_meta_evt(hdev, skb);
5403 break;
5404
Szymon Janc2763eda2011-03-22 13:12:22 +01005405 case HCI_EV_REMOTE_OOB_DATA_REQUEST:
5406 hci_remote_oob_data_request_evt(hdev, skb);
5407 break;
5408
Arron Wanga77a6a12015-07-24 17:13:15 +08005409#if IS_ENABLED(CONFIG_BT_HS)
5410 case HCI_EV_CHANNEL_SELECTED:
5411 hci_chan_selected_evt(hdev, skb);
5412 break;
5413
Andrei Emeltchenkod5e91192012-10-25 15:20:44 +03005414 case HCI_EV_PHY_LINK_COMPLETE:
5415 hci_phy_link_complete_evt(hdev, skb);
5416 break;
5417
Andrei Emeltchenko27695fb2012-10-25 15:20:45 +03005418 case HCI_EV_LOGICAL_LINK_COMPLETE:
5419 hci_loglink_complete_evt(hdev, skb);
5420 break;
5421
Andrei Emeltchenko606e2a12012-10-31 15:46:31 +02005422 case HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE:
5423 hci_disconn_loglink_complete_evt(hdev, skb);
5424 break;
5425
Andrei Emeltchenko9eef6b32012-10-31 15:46:32 +02005426 case HCI_EV_DISCONN_PHY_LINK_COMPLETE:
5427 hci_disconn_phylink_complete_evt(hdev, skb);
5428 break;
Arron Wanga77a6a12015-07-24 17:13:15 +08005429#endif
Andrei Emeltchenko9eef6b32012-10-31 15:46:32 +02005430
Andrei Emeltchenko25e89e92012-01-04 12:41:58 +02005431 case HCI_EV_NUM_COMP_BLOCKS:
5432 hci_num_comp_blocks_evt(hdev, skb);
5433 break;
5434
Marcel Holtmanna9de9242007-10-20 13:33:56 +02005435 default:
Andrei Emeltchenko9f1db002012-07-11 14:32:43 +03005436 BT_DBG("%s event 0x%2.2x", hdev->name, event);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005437 break;
5438 }
5439
Johan Hedberg757aa0b2015-04-02 13:41:12 +03005440 if (req_complete) {
Johan Hedberge62144872015-04-02 13:41:08 +03005441 req_complete(hdev, status, opcode);
Johan Hedberg757aa0b2015-04-02 13:41:12 +03005442 } else if (req_complete_skb) {
5443 if (!hci_get_cmd_complete(hdev, opcode, req_evt, orig_skb)) {
5444 kfree_skb(orig_skb);
5445 orig_skb = NULL;
5446 }
Johan Hedberge62144872015-04-02 13:41:08 +03005447 req_complete_skb(hdev, status, opcode, orig_skb);
Johan Hedberg757aa0b2015-04-02 13:41:12 +03005448 }
Johan Hedberge62144872015-04-02 13:41:08 +03005449
5450 kfree_skb(orig_skb);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005451 kfree_skb(skb);
5452 hdev->stat.evt_rx++;
5453}