YOSHIFUJI Hideaki | 8e87d14 | 2007-02-09 23:24:33 +0900 | [diff] [blame] | 1 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | BlueZ - Bluetooth protocol stack for Linux |
Ron Shaffer | 2d0a034 | 2010-05-28 11:53:46 -0400 | [diff] [blame] | 3 | Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4 | |
| 5 | Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com> |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License version 2 as |
| 9 | published by the Free Software Foundation; |
| 10 | |
| 11 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| 12 | OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 13 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. |
| 14 | IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY |
YOSHIFUJI Hideaki | 8e87d14 | 2007-02-09 23:24:33 +0900 | [diff] [blame] | 15 | CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES |
| 16 | WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 17 | ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 18 | OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 19 | |
YOSHIFUJI Hideaki | 8e87d14 | 2007-02-09 23:24:33 +0900 | [diff] [blame] | 20 | ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, |
| 21 | COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | SOFTWARE IS DISCLAIMED. |
| 23 | */ |
| 24 | |
| 25 | /* Bluetooth HCI event handling. */ |
| 26 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 27 | #include <asm/unaligned.h> |
| 28 | |
| 29 | #include <net/bluetooth/bluetooth.h> |
| 30 | #include <net/bluetooth/hci_core.h> |
Mikel Astiz | f0d6a0e | 2012-08-09 09:52:30 +0200 | [diff] [blame] | 31 | #include <net/bluetooth/mgmt.h> |
Marcel Holtmann | 7ef9fbf | 2013-10-10 14:54:14 -0700 | [diff] [blame] | 32 | |
Johan Hedberg | 0857dd3 | 2014-12-19 13:40:20 +0200 | [diff] [blame] | 33 | #include "hci_request.h" |
Marcel Holtmann | 23b9ceb | 2014-12-20 17:13:41 +0100 | [diff] [blame] | 34 | #include "hci_debugfs.h" |
Marcel Holtmann | 7024728 | 2013-10-10 14:54:15 -0700 | [diff] [blame] | 35 | #include "a2mp.h" |
Marcel Holtmann | 7ef9fbf | 2013-10-10 14:54:14 -0700 | [diff] [blame] | 36 | #include "amp.h" |
Johan Hedberg | 2ceba53 | 2014-06-16 19:25:16 +0300 | [diff] [blame] | 37 | #include "smp.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 38 | |
Marcel Holtmann | aa5b034 | 2015-01-27 16:04:33 -0800 | [diff] [blame] | 39 | #define ZERO_KEY "\x00\x00\x00\x00\x00\x00\x00\x00" \ |
| 40 | "\x00\x00\x00\x00\x00\x00\x00\x00" |
| 41 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 42 | /* Handle HCI Event packets */ |
| 43 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 44 | static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 45 | { |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 46 | __u8 status = *((__u8 *) skb->data); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 47 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 48 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 49 | |
Andre Guedes | 82f4785 | 2013-04-30 15:29:34 -0300 | [diff] [blame] | 50 | if (status) |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 51 | return; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 52 | |
Andre Guedes | 89352e7 | 2011-11-04 14:16:53 -0300 | [diff] [blame] | 53 | clear_bit(HCI_INQUIRY, &hdev->flags); |
Peter Zijlstra | 4e857c5 | 2014-03-17 18:06:10 +0100 | [diff] [blame] | 54 | smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */ |
Andre Guedes | 3e13fa1 | 2013-03-27 20:04:56 -0300 | [diff] [blame] | 55 | wake_up_bit(&hdev->flags, HCI_INQUIRY); |
Andre Guedes | 89352e7 | 2011-11-04 14:16:53 -0300 | [diff] [blame] | 56 | |
Johan Hedberg | 50143a4 | 2014-06-10 14:05:57 +0300 | [diff] [blame] | 57 | hci_dev_lock(hdev); |
Jakub Pawlowski | 168b8a2 | 2015-10-16 10:07:49 +0300 | [diff] [blame] | 58 | /* 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 Hedberg | 50143a4 | 2014-06-10 14:05:57 +0300 | [diff] [blame] | 64 | hci_dev_unlock(hdev); |
| 65 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 66 | hci_conn_check_pending(hdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 67 | } |
| 68 | |
Andre Guedes | 4d93483 | 2012-03-21 00:03:35 -0300 | [diff] [blame] | 69 | static void hci_cc_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb) |
| 70 | { |
| 71 | __u8 status = *((__u8 *) skb->data); |
| 72 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 73 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
Andre Guedes | ae854a7 | 2012-03-21 00:03:36 -0300 | [diff] [blame] | 74 | |
| 75 | if (status) |
| 76 | return; |
| 77 | |
Marcel Holtmann | a1536da | 2015-03-13 02:11:01 -0700 | [diff] [blame] | 78 | hci_dev_set_flag(hdev, HCI_PERIODIC_INQ); |
Andre Guedes | 4d93483 | 2012-03-21 00:03:35 -0300 | [diff] [blame] | 79 | } |
| 80 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 81 | static void hci_cc_exit_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 82 | { |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 83 | __u8 status = *((__u8 *) skb->data); |
| 84 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 85 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 86 | |
| 87 | if (status) |
| 88 | return; |
| 89 | |
Marcel Holtmann | a358dc1 | 2015-03-13 02:11:02 -0700 | [diff] [blame] | 90 | hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ); |
Andre Guedes | ae854a7 | 2012-03-21 00:03:36 -0300 | [diff] [blame] | 91 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 92 | hci_conn_check_pending(hdev); |
| 93 | } |
| 94 | |
Gustavo Padovan | 807deac | 2012-05-17 00:36:24 -0300 | [diff] [blame] | 95 | static void hci_cc_remote_name_req_cancel(struct hci_dev *hdev, |
| 96 | struct sk_buff *skb) |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 97 | { |
| 98 | BT_DBG("%s", hdev->name); |
| 99 | } |
| 100 | |
| 101 | static 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 Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 104 | struct hci_conn *conn; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 105 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 106 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 107 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 108 | if (rp->status) |
| 109 | return; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 110 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 111 | hci_dev_lock(hdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 112 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 113 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); |
Johan Hedberg | 40bef30 | 2014-07-16 11:42:27 +0300 | [diff] [blame] | 114 | if (conn) |
| 115 | conn->role = rp->role; |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 116 | |
| 117 | hci_dev_unlock(hdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 118 | } |
| 119 | |
Marcel Holtmann | e4e8e37 | 2008-07-14 20:13:47 +0200 | [diff] [blame] | 120 | static 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 Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 125 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
Marcel Holtmann | e4e8e37 | 2008-07-14 20:13:47 +0200 | [diff] [blame] | 126 | |
| 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 Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 139 | static void hci_cc_write_link_policy(struct hci_dev *hdev, struct sk_buff *skb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 140 | { |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 141 | struct hci_rp_write_link_policy *rp = (void *) skb->data; |
| 142 | struct hci_conn *conn; |
| 143 | void *sent; |
| 144 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 145 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 146 | |
| 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 Holtmann | e4e8e37 | 2008-07-14 20:13:47 +0200 | [diff] [blame] | 157 | if (conn) |
Harvey Harrison | 8398531 | 2008-05-02 16:25:46 -0700 | [diff] [blame] | 158 | conn->link_policy = get_unaligned_le16(sent + 2); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 159 | |
| 160 | hci_dev_unlock(hdev); |
| 161 | } |
| 162 | |
Gustavo Padovan | 807deac | 2012-05-17 00:36:24 -0300 | [diff] [blame] | 163 | static void hci_cc_read_def_link_policy(struct hci_dev *hdev, |
| 164 | struct sk_buff *skb) |
Marcel Holtmann | e4e8e37 | 2008-07-14 20:13:47 +0200 | [diff] [blame] | 165 | { |
| 166 | struct hci_rp_read_def_link_policy *rp = (void *) skb->data; |
| 167 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 168 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
Marcel Holtmann | e4e8e37 | 2008-07-14 20:13:47 +0200 | [diff] [blame] | 169 | |
| 170 | if (rp->status) |
| 171 | return; |
| 172 | |
| 173 | hdev->link_policy = __le16_to_cpu(rp->policy); |
| 174 | } |
| 175 | |
Gustavo Padovan | 807deac | 2012-05-17 00:36:24 -0300 | [diff] [blame] | 176 | static void hci_cc_write_def_link_policy(struct hci_dev *hdev, |
| 177 | struct sk_buff *skb) |
Marcel Holtmann | e4e8e37 | 2008-07-14 20:13:47 +0200 | [diff] [blame] | 178 | { |
| 179 | __u8 status = *((__u8 *) skb->data); |
| 180 | void *sent; |
| 181 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 182 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
Marcel Holtmann | e4e8e37 | 2008-07-14 20:13:47 +0200 | [diff] [blame] | 183 | |
Marcel Holtmann | 45296ac | 2014-07-05 10:48:01 +0200 | [diff] [blame] | 184 | if (status) |
| 185 | return; |
| 186 | |
Marcel Holtmann | e4e8e37 | 2008-07-14 20:13:47 +0200 | [diff] [blame] | 187 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_DEF_LINK_POLICY); |
| 188 | if (!sent) |
| 189 | return; |
| 190 | |
Marcel Holtmann | 45296ac | 2014-07-05 10:48:01 +0200 | [diff] [blame] | 191 | hdev->link_policy = get_unaligned_le16(sent); |
Marcel Holtmann | e4e8e37 | 2008-07-14 20:13:47 +0200 | [diff] [blame] | 192 | } |
| 193 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 194 | static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb) |
| 195 | { |
| 196 | __u8 status = *((__u8 *) skb->data); |
| 197 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 198 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 199 | |
Gustavo F. Padovan | 1057213 | 2011-03-16 15:36:29 -0300 | [diff] [blame] | 200 | clear_bit(HCI_RESET, &hdev->flags); |
| 201 | |
Marcel Holtmann | 8761f9d | 2014-11-02 02:45:58 +0100 | [diff] [blame] | 202 | if (status) |
| 203 | return; |
| 204 | |
Johan Hedberg | a297e97 | 2012-02-21 17:55:47 +0200 | [diff] [blame] | 205 | /* Reset all non-persistent flags */ |
Marcel Holtmann | eacb44d | 2015-03-13 09:04:17 -0700 | [diff] [blame] | 206 | hci_dev_clear_volatile_flags(hdev); |
Andre Guedes | 69775ff | 2012-02-23 16:50:05 +0200 | [diff] [blame] | 207 | |
Johan Hedberg | 39c5d97 | 2015-01-28 19:56:01 +0200 | [diff] [blame] | 208 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); |
| 209 | |
Johan Hedberg | bbaf444 | 2012-11-08 01:22:59 +0100 | [diff] [blame] | 210 | hdev->inq_tx_power = HCI_TX_POWER_INVALID; |
| 211 | hdev->adv_tx_power = HCI_TX_POWER_INVALID; |
Johan Hedberg | 3f0f524 | 2012-11-08 01:23:00 +0100 | [diff] [blame] | 212 | |
| 213 | memset(hdev->adv_data, 0, sizeof(hdev->adv_data)); |
| 214 | hdev->adv_data_len = 0; |
Marcel Holtmann | f8e808b | 2013-10-16 00:16:47 -0700 | [diff] [blame] | 215 | |
| 216 | memset(hdev->scan_rsp_data, 0, sizeof(hdev->scan_rsp_data)); |
| 217 | hdev->scan_rsp_data_len = 0; |
Marcel Holtmann | 06f5b77 | 2013-10-19 07:09:11 -0700 | [diff] [blame] | 218 | |
Marcel Holtmann | 533553f | 2014-03-21 12:18:10 -0700 | [diff] [blame] | 219 | hdev->le_scan_type = LE_SCAN_PASSIVE; |
| 220 | |
Marcel Holtmann | 06f5b77 | 2013-10-19 07:09:11 -0700 | [diff] [blame] | 221 | hdev->ssp_debug_mode = 0; |
Marcel Holtmann | a4d5504 | 2014-10-29 23:37:53 +0100 | [diff] [blame] | 222 | |
| 223 | hci_bdaddr_list_clear(&hdev->le_white_list); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 224 | } |
| 225 | |
Marcel Holtmann | c2f0f97 | 2015-01-12 09:21:25 -0800 | [diff] [blame] | 226 | static 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 Holtmann | a936612 | 2015-01-12 09:21:28 -0800 | [diff] [blame] | 244 | static 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 Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 260 | static 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 Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 265 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 266 | |
| 267 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME); |
| 268 | if (!sent) |
| 269 | return; |
| 270 | |
Johan Hedberg | 56e5cb8 | 2011-11-08 20:40:16 +0200 | [diff] [blame] | 271 | hci_dev_lock(hdev); |
| 272 | |
Marcel Holtmann | d7a5a11 | 2015-03-13 02:11:00 -0700 | [diff] [blame] | 273 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
Johan Hedberg | f51d5b2 | 2012-02-22 18:17:32 +0200 | [diff] [blame] | 274 | mgmt_set_local_name_complete(hdev, sent, status); |
Johan Hedberg | 28cc7bd | 2012-02-22 21:06:55 +0200 | [diff] [blame] | 275 | else if (!status) |
| 276 | memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH); |
Johan Hedberg | f51d5b2 | 2012-02-22 18:17:32 +0200 | [diff] [blame] | 277 | |
Johan Hedberg | 56e5cb8 | 2011-11-08 20:40:16 +0200 | [diff] [blame] | 278 | hci_dev_unlock(hdev); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 279 | } |
| 280 | |
| 281 | static 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 Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 285 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 286 | |
| 287 | if (rp->status) |
| 288 | return; |
| 289 | |
Marcel Holtmann | d7a5a11 | 2015-03-13 02:11:00 -0700 | [diff] [blame] | 290 | if (hci_dev_test_flag(hdev, HCI_SETUP) || |
| 291 | hci_dev_test_flag(hdev, HCI_CONFIG)) |
Johan Hedberg | db99b5f | 2012-02-22 20:14:22 +0200 | [diff] [blame] | 292 | memcpy(hdev->dev_name, rp->name, HCI_MAX_NAME_LENGTH); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 293 | } |
| 294 | |
| 295 | static 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 Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 300 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 301 | |
| 302 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_ENABLE); |
| 303 | if (!sent) |
| 304 | return; |
| 305 | |
Jaganath Kanakkassery | 5c1a4c8 | 2014-12-11 18:58:15 +0530 | [diff] [blame] | 306 | hci_dev_lock(hdev); |
| 307 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 308 | 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 Holtmann | d7a5a11 | 2015-03-13 02:11:00 -0700 | [diff] [blame] | 317 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
Johan Hedberg | 33ef95e | 2012-02-16 23:56:27 +0200 | [diff] [blame] | 318 | mgmt_auth_enable_complete(hdev, status); |
Jaganath Kanakkassery | 5c1a4c8 | 2014-12-11 18:58:15 +0530 | [diff] [blame] | 319 | |
| 320 | hci_dev_unlock(hdev); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 321 | } |
| 322 | |
| 323 | static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb) |
| 324 | { |
| 325 | __u8 status = *((__u8 *) skb->data); |
Marcel Holtmann | 45296ac | 2014-07-05 10:48:01 +0200 | [diff] [blame] | 326 | __u8 param; |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 327 | void *sent; |
| 328 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 329 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 330 | |
Marcel Holtmann | 45296ac | 2014-07-05 10:48:01 +0200 | [diff] [blame] | 331 | if (status) |
| 332 | return; |
| 333 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 334 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE); |
| 335 | if (!sent) |
| 336 | return; |
| 337 | |
Marcel Holtmann | 45296ac | 2014-07-05 10:48:01 +0200 | [diff] [blame] | 338 | param = *((__u8 *) sent); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 339 | |
Marcel Holtmann | 45296ac | 2014-07-05 10:48:01 +0200 | [diff] [blame] | 340 | if (param) |
| 341 | set_bit(HCI_ENCRYPT, &hdev->flags); |
| 342 | else |
| 343 | clear_bit(HCI_ENCRYPT, &hdev->flags); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 344 | } |
| 345 | |
| 346 | static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb) |
| 347 | { |
Marcel Holtmann | 45296ac | 2014-07-05 10:48:01 +0200 | [diff] [blame] | 348 | __u8 status = *((__u8 *) skb->data); |
| 349 | __u8 param; |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 350 | void *sent; |
| 351 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 352 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 353 | |
| 354 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SCAN_ENABLE); |
| 355 | if (!sent) |
| 356 | return; |
| 357 | |
Johan Hedberg | 36f7fc7 | 2011-11-04 00:17:45 +0200 | [diff] [blame] | 358 | param = *((__u8 *) sent); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 359 | |
Johan Hedberg | 56e5cb8 | 2011-11-08 20:40:16 +0200 | [diff] [blame] | 360 | hci_dev_lock(hdev); |
| 361 | |
Mikel Astiz | fa1bd91 | 2012-08-09 09:52:29 +0200 | [diff] [blame] | 362 | if (status) { |
Johan Hedberg | 2d7cee5 | 2011-11-07 22:16:03 +0200 | [diff] [blame] | 363 | hdev->discov_timeout = 0; |
| 364 | goto done; |
| 365 | } |
| 366 | |
Johan Hedberg | bc6d2d0 | 2014-07-10 12:09:08 +0300 | [diff] [blame] | 367 | if (param & SCAN_INQUIRY) |
Johan Hedberg | 36f7fc7 | 2011-11-04 00:17:45 +0200 | [diff] [blame] | 368 | set_bit(HCI_ISCAN, &hdev->flags); |
Johan Hedberg | bc6d2d0 | 2014-07-10 12:09:08 +0300 | [diff] [blame] | 369 | else |
| 370 | clear_bit(HCI_ISCAN, &hdev->flags); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 371 | |
Johan Hedberg | 031547d | 2014-07-10 12:09:06 +0300 | [diff] [blame] | 372 | if (param & SCAN_PAGE) |
Johan Hedberg | 36f7fc7 | 2011-11-04 00:17:45 +0200 | [diff] [blame] | 373 | set_bit(HCI_PSCAN, &hdev->flags); |
Johan Hedberg | bc6d2d0 | 2014-07-10 12:09:08 +0300 | [diff] [blame] | 374 | else |
Johan Hedberg | 204e399 | 2014-07-28 15:45:31 +0300 | [diff] [blame] | 375 | clear_bit(HCI_PSCAN, &hdev->flags); |
Johan Hedberg | 36f7fc7 | 2011-11-04 00:17:45 +0200 | [diff] [blame] | 376 | |
| 377 | done: |
Johan Hedberg | 56e5cb8 | 2011-11-08 20:40:16 +0200 | [diff] [blame] | 378 | hci_dev_unlock(hdev); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 379 | } |
| 380 | |
| 381 | static 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 Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 385 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 386 | |
| 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 Padovan | 807deac | 2012-05-17 00:36:24 -0300 | [diff] [blame] | 393 | hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 394 | } |
| 395 | |
| 396 | static 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 Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 401 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 402 | |
| 403 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV); |
| 404 | if (!sent) |
| 405 | return; |
| 406 | |
Marcel Holtmann | 7f9a903 | 2012-02-22 18:38:01 +0100 | [diff] [blame] | 407 | hci_dev_lock(hdev); |
| 408 | |
| 409 | if (status == 0) |
| 410 | memcpy(hdev->dev_class, sent, 3); |
| 411 | |
Marcel Holtmann | d7a5a11 | 2015-03-13 02:11:00 -0700 | [diff] [blame] | 412 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
Marcel Holtmann | 7f9a903 | 2012-02-22 18:38:01 +0100 | [diff] [blame] | 413 | mgmt_set_class_of_dev_complete(hdev, sent, status); |
| 414 | |
| 415 | hci_dev_unlock(hdev); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 416 | } |
| 417 | |
| 418 | static 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 Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 421 | __u16 setting; |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 422 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 423 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 424 | |
| 425 | if (rp->status) |
| 426 | return; |
| 427 | |
| 428 | setting = __le16_to_cpu(rp->voice_setting); |
| 429 | |
Marcel Holtmann | f383f27 | 2008-07-14 20:13:47 +0200 | [diff] [blame] | 430 | if (hdev->voice_setting == setting) |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 431 | return; |
| 432 | |
| 433 | hdev->voice_setting = setting; |
| 434 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 435 | BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 436 | |
Gustavo F. Padovan | 3c54711 | 2011-12-14 22:58:44 -0200 | [diff] [blame] | 437 | if (hdev->notify) |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 438 | hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 439 | } |
| 440 | |
Gustavo Padovan | 8fc9ced | 2012-05-23 04:04:21 -0300 | [diff] [blame] | 441 | static void hci_cc_write_voice_setting(struct hci_dev *hdev, |
| 442 | struct sk_buff *skb) |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 443 | { |
| 444 | __u8 status = *((__u8 *) skb->data); |
Marcel Holtmann | f383f27 | 2008-07-14 20:13:47 +0200 | [diff] [blame] | 445 | __u16 setting; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 446 | void *sent; |
| 447 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 448 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 449 | |
Marcel Holtmann | f383f27 | 2008-07-14 20:13:47 +0200 | [diff] [blame] | 450 | if (status) |
| 451 | return; |
| 452 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 453 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_VOICE_SETTING); |
| 454 | if (!sent) |
| 455 | return; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 456 | |
Marcel Holtmann | f383f27 | 2008-07-14 20:13:47 +0200 | [diff] [blame] | 457 | setting = get_unaligned_le16(sent); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 458 | |
Marcel Holtmann | f383f27 | 2008-07-14 20:13:47 +0200 | [diff] [blame] | 459 | if (hdev->voice_setting == setting) |
| 460 | return; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 461 | |
Marcel Holtmann | f383f27 | 2008-07-14 20:13:47 +0200 | [diff] [blame] | 462 | hdev->voice_setting = setting; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 463 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 464 | BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting); |
Marcel Holtmann | f383f27 | 2008-07-14 20:13:47 +0200 | [diff] [blame] | 465 | |
Gustavo F. Padovan | 3c54711 | 2011-12-14 22:58:44 -0200 | [diff] [blame] | 466 | if (hdev->notify) |
Marcel Holtmann | f383f27 | 2008-07-14 20:13:47 +0200 | [diff] [blame] | 467 | hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 468 | } |
| 469 | |
Marcel Holtmann | b4cb9fb | 2013-10-14 13:56:16 -0700 | [diff] [blame] | 470 | static 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 Holtmann | 333140b | 2008-07-14 20:13:48 +0200 | [diff] [blame] | 485 | static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb) |
| 486 | { |
| 487 | __u8 status = *((__u8 *) skb->data); |
Johan Hedberg | 5ed8eb2 | 2012-10-25 00:09:51 +0300 | [diff] [blame] | 488 | struct hci_cp_write_ssp_mode *sent; |
Marcel Holtmann | 333140b | 2008-07-14 20:13:48 +0200 | [diff] [blame] | 489 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 490 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
Marcel Holtmann | 333140b | 2008-07-14 20:13:48 +0200 | [diff] [blame] | 491 | |
Marcel Holtmann | 333140b | 2008-07-14 20:13:48 +0200 | [diff] [blame] | 492 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE); |
| 493 | if (!sent) |
| 494 | return; |
| 495 | |
Jaganath Kanakkassery | 5c1a4c8 | 2014-12-11 18:58:15 +0530 | [diff] [blame] | 496 | hci_dev_lock(hdev); |
| 497 | |
Johan Hedberg | 5ed8eb2 | 2012-10-25 00:09:51 +0300 | [diff] [blame] | 498 | if (!status) { |
| 499 | if (sent->mode) |
Johan Hedberg | cad718e | 2013-04-17 15:00:51 +0300 | [diff] [blame] | 500 | hdev->features[1][0] |= LMP_HOST_SSP; |
Johan Hedberg | 5ed8eb2 | 2012-10-25 00:09:51 +0300 | [diff] [blame] | 501 | else |
Johan Hedberg | cad718e | 2013-04-17 15:00:51 +0300 | [diff] [blame] | 502 | hdev->features[1][0] &= ~LMP_HOST_SSP; |
Johan Hedberg | 5ed8eb2 | 2012-10-25 00:09:51 +0300 | [diff] [blame] | 503 | } |
| 504 | |
Marcel Holtmann | d7a5a11 | 2015-03-13 02:11:00 -0700 | [diff] [blame] | 505 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
Johan Hedberg | 5ed8eb2 | 2012-10-25 00:09:51 +0300 | [diff] [blame] | 506 | mgmt_ssp_enable_complete(hdev, sent->mode, status); |
Johan Hedberg | c0ecddc | 2012-02-22 12:38:31 +0200 | [diff] [blame] | 507 | else if (!status) { |
Johan Hedberg | 5ed8eb2 | 2012-10-25 00:09:51 +0300 | [diff] [blame] | 508 | if (sent->mode) |
Marcel Holtmann | a1536da | 2015-03-13 02:11:01 -0700 | [diff] [blame] | 509 | hci_dev_set_flag(hdev, HCI_SSP_ENABLED); |
Johan Hedberg | c0ecddc | 2012-02-22 12:38:31 +0200 | [diff] [blame] | 510 | else |
Marcel Holtmann | a358dc1 | 2015-03-13 02:11:02 -0700 | [diff] [blame] | 511 | hci_dev_clear_flag(hdev, HCI_SSP_ENABLED); |
Johan Hedberg | c0ecddc | 2012-02-22 12:38:31 +0200 | [diff] [blame] | 512 | } |
Jaganath Kanakkassery | 5c1a4c8 | 2014-12-11 18:58:15 +0530 | [diff] [blame] | 513 | |
| 514 | hci_dev_unlock(hdev); |
Marcel Holtmann | 333140b | 2008-07-14 20:13:48 +0200 | [diff] [blame] | 515 | } |
| 516 | |
Marcel Holtmann | eac83dc | 2014-01-10 02:07:23 -0800 | [diff] [blame] | 517 | static 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 Kanakkassery | 5c1a4c8 | 2014-12-11 18:58:15 +0530 | [diff] [blame] | 528 | hci_dev_lock(hdev); |
| 529 | |
Marcel Holtmann | eac83dc | 2014-01-10 02:07:23 -0800 | [diff] [blame] | 530 | 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 Holtmann | d7a5a11 | 2015-03-13 02:11:00 -0700 | [diff] [blame] | 537 | if (!hci_dev_test_flag(hdev, HCI_MGMT) && !status) { |
Marcel Holtmann | eac83dc | 2014-01-10 02:07:23 -0800 | [diff] [blame] | 538 | if (sent->support) |
Marcel Holtmann | a1536da | 2015-03-13 02:11:01 -0700 | [diff] [blame] | 539 | hci_dev_set_flag(hdev, HCI_SC_ENABLED); |
Marcel Holtmann | eac83dc | 2014-01-10 02:07:23 -0800 | [diff] [blame] | 540 | else |
Marcel Holtmann | a358dc1 | 2015-03-13 02:11:02 -0700 | [diff] [blame] | 541 | hci_dev_clear_flag(hdev, HCI_SC_ENABLED); |
Marcel Holtmann | eac83dc | 2014-01-10 02:07:23 -0800 | [diff] [blame] | 542 | } |
Jaganath Kanakkassery | 5c1a4c8 | 2014-12-11 18:58:15 +0530 | [diff] [blame] | 543 | |
| 544 | hci_dev_unlock(hdev); |
Marcel Holtmann | eac83dc | 2014-01-10 02:07:23 -0800 | [diff] [blame] | 545 | } |
| 546 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 547 | static 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 Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 551 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 552 | |
| 553 | if (rp->status) |
Johan Hedberg | 42c6b12 | 2013-03-05 20:37:49 +0200 | [diff] [blame] | 554 | return; |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 555 | |
Marcel Holtmann | d7a5a11 | 2015-03-13 02:11:00 -0700 | [diff] [blame] | 556 | if (hci_dev_test_flag(hdev, HCI_SETUP) || |
| 557 | hci_dev_test_flag(hdev, HCI_CONFIG)) { |
Marcel Holtmann | 0d5551f | 2013-10-18 12:04:50 -0700 | [diff] [blame] | 558 | 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 Hedberg | d5859e2 | 2011-01-25 01:19:58 +0200 | [diff] [blame] | 564 | } |
| 565 | |
Gustavo Padovan | 8fc9ced | 2012-05-23 04:04:21 -0300 | [diff] [blame] | 566 | static void hci_cc_read_local_commands(struct hci_dev *hdev, |
| 567 | struct sk_buff *skb) |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 568 | { |
| 569 | struct hci_rp_read_local_commands *rp = (void *) skb->data; |
| 570 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 571 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 572 | |
Marcel Holtmann | 6a070e6 | 2013-10-31 04:54:33 -0700 | [diff] [blame] | 573 | if (rp->status) |
| 574 | return; |
| 575 | |
Marcel Holtmann | d7a5a11 | 2015-03-13 02:11:00 -0700 | [diff] [blame] | 576 | if (hci_dev_test_flag(hdev, HCI_SETUP) || |
| 577 | hci_dev_test_flag(hdev, HCI_CONFIG)) |
Johan Hedberg | 2177bab | 2013-03-05 20:37:43 +0200 | [diff] [blame] | 578 | memcpy(hdev->commands, rp->commands, sizeof(hdev->commands)); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 579 | } |
| 580 | |
Gustavo Padovan | 8fc9ced | 2012-05-23 04:04:21 -0300 | [diff] [blame] | 581 | static void hci_cc_read_local_features(struct hci_dev *hdev, |
| 582 | struct sk_buff *skb) |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 583 | { |
| 584 | struct hci_rp_read_local_features *rp = (void *) skb->data; |
| 585 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 586 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 587 | |
| 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 Hedberg | cad718e | 2013-04-17 15:00:51 +0300 | [diff] [blame] | 596 | if (hdev->features[0][0] & LMP_3SLOT) |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 597 | hdev->pkt_type |= (HCI_DM3 | HCI_DH3); |
| 598 | |
Johan Hedberg | cad718e | 2013-04-17 15:00:51 +0300 | [diff] [blame] | 599 | if (hdev->features[0][0] & LMP_5SLOT) |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 600 | hdev->pkt_type |= (HCI_DM5 | HCI_DH5); |
| 601 | |
Johan Hedberg | cad718e | 2013-04-17 15:00:51 +0300 | [diff] [blame] | 602 | if (hdev->features[0][1] & LMP_HV2) { |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 603 | hdev->pkt_type |= (HCI_HV2); |
| 604 | hdev->esco_type |= (ESCO_HV2); |
| 605 | } |
| 606 | |
Johan Hedberg | cad718e | 2013-04-17 15:00:51 +0300 | [diff] [blame] | 607 | if (hdev->features[0][1] & LMP_HV3) { |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 608 | hdev->pkt_type |= (HCI_HV3); |
| 609 | hdev->esco_type |= (ESCO_HV3); |
| 610 | } |
| 611 | |
Andre Guedes | 45db810f | 2012-07-24 15:03:49 -0300 | [diff] [blame] | 612 | if (lmp_esco_capable(hdev)) |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 613 | hdev->esco_type |= (ESCO_EV3); |
| 614 | |
Johan Hedberg | cad718e | 2013-04-17 15:00:51 +0300 | [diff] [blame] | 615 | if (hdev->features[0][4] & LMP_EV4) |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 616 | hdev->esco_type |= (ESCO_EV4); |
| 617 | |
Johan Hedberg | cad718e | 2013-04-17 15:00:51 +0300 | [diff] [blame] | 618 | if (hdev->features[0][4] & LMP_EV5) |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 619 | hdev->esco_type |= (ESCO_EV5); |
| 620 | |
Johan Hedberg | cad718e | 2013-04-17 15:00:51 +0300 | [diff] [blame] | 621 | if (hdev->features[0][5] & LMP_EDR_ESCO_2M) |
Marcel Holtmann | efc7688 | 2009-02-06 09:13:37 +0100 | [diff] [blame] | 622 | hdev->esco_type |= (ESCO_2EV3); |
| 623 | |
Johan Hedberg | cad718e | 2013-04-17 15:00:51 +0300 | [diff] [blame] | 624 | if (hdev->features[0][5] & LMP_EDR_ESCO_3M) |
Marcel Holtmann | efc7688 | 2009-02-06 09:13:37 +0100 | [diff] [blame] | 625 | hdev->esco_type |= (ESCO_3EV3); |
| 626 | |
Johan Hedberg | cad718e | 2013-04-17 15:00:51 +0300 | [diff] [blame] | 627 | if (hdev->features[0][5] & LMP_EDR_3S_ESCO) |
Marcel Holtmann | efc7688 | 2009-02-06 09:13:37 +0100 | [diff] [blame] | 628 | hdev->esco_type |= (ESCO_2EV5 | ESCO_3EV5); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 629 | } |
| 630 | |
Andre Guedes | 971e3a4 | 2011-06-30 19:20:52 -0300 | [diff] [blame] | 631 | static void hci_cc_read_local_ext_features(struct hci_dev *hdev, |
Gustavo Padovan | 807deac | 2012-05-17 00:36:24 -0300 | [diff] [blame] | 632 | struct sk_buff *skb) |
Andre Guedes | 971e3a4 | 2011-06-30 19:20:52 -0300 | [diff] [blame] | 633 | { |
| 634 | struct hci_rp_read_local_ext_features *rp = (void *) skb->data; |
| 635 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 636 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
Andre Guedes | 971e3a4 | 2011-06-30 19:20:52 -0300 | [diff] [blame] | 637 | |
| 638 | if (rp->status) |
Johan Hedberg | 42c6b12 | 2013-03-05 20:37:49 +0200 | [diff] [blame] | 639 | return; |
Andre Guedes | 971e3a4 | 2011-06-30 19:20:52 -0300 | [diff] [blame] | 640 | |
Marcel Holtmann | 57af75a | 2013-10-18 12:04:47 -0700 | [diff] [blame] | 641 | if (hdev->max_page < rp->max_page) |
| 642 | hdev->max_page = rp->max_page; |
Johan Hedberg | d2c5d77 | 2013-04-17 15:00:52 +0300 | [diff] [blame] | 643 | |
Johan Hedberg | cad718e | 2013-04-17 15:00:51 +0300 | [diff] [blame] | 644 | if (rp->page < HCI_MAX_PAGES) |
| 645 | memcpy(hdev->features[rp->page], rp->features, 8); |
Andre Guedes | 971e3a4 | 2011-06-30 19:20:52 -0300 | [diff] [blame] | 646 | } |
| 647 | |
Andrei Emeltchenko | 1e89cff | 2011-11-24 14:52:02 +0200 | [diff] [blame] | 648 | static void hci_cc_read_flow_control_mode(struct hci_dev *hdev, |
Gustavo Padovan | 807deac | 2012-05-17 00:36:24 -0300 | [diff] [blame] | 649 | struct sk_buff *skb) |
Andrei Emeltchenko | 1e89cff | 2011-11-24 14:52:02 +0200 | [diff] [blame] | 650 | { |
| 651 | struct hci_rp_read_flow_control_mode *rp = (void *) skb->data; |
| 652 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 653 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
Andrei Emeltchenko | 1e89cff | 2011-11-24 14:52:02 +0200 | [diff] [blame] | 654 | |
Marcel Holtmann | 45296ac | 2014-07-05 10:48:01 +0200 | [diff] [blame] | 655 | if (rp->status) |
| 656 | return; |
| 657 | |
| 658 | hdev->flow_ctl_mode = rp->mode; |
Andrei Emeltchenko | 1e89cff | 2011-11-24 14:52:02 +0200 | [diff] [blame] | 659 | } |
| 660 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 661 | static 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 Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 665 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 666 | |
| 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 Padovan | 807deac | 2012-05-17 00:36:24 -0300 | [diff] [blame] | 683 | 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 Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 685 | } |
| 686 | |
| 687 | static 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 Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 691 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 692 | |
Marcel Holtmann | e30d3f5 | 2014-07-05 10:48:03 +0200 | [diff] [blame] | 693 | if (rp->status) |
| 694 | return; |
| 695 | |
| 696 | if (test_bit(HCI_INIT, &hdev->flags)) |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 697 | bacpy(&hdev->bdaddr, &rp->bdaddr); |
Marcel Holtmann | e30d3f5 | 2014-07-05 10:48:03 +0200 | [diff] [blame] | 698 | |
Marcel Holtmann | d7a5a11 | 2015-03-13 02:11:00 -0700 | [diff] [blame] | 699 | if (hci_dev_test_flag(hdev, HCI_SETUP)) |
Marcel Holtmann | e30d3f5 | 2014-07-05 10:48:03 +0200 | [diff] [blame] | 700 | bacpy(&hdev->setup_addr, &rp->bdaddr); |
Johan Hedberg | 23bb576 | 2010-12-21 23:01:27 +0200 | [diff] [blame] | 701 | } |
| 702 | |
Johan Hedberg | f332ec6 | 2013-03-15 17:07:11 -0500 | [diff] [blame] | 703 | static 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 Holtmann | 45296ac | 2014-07-05 10:48:01 +0200 | [diff] [blame] | 710 | if (rp->status) |
| 711 | return; |
| 712 | |
| 713 | if (test_bit(HCI_INIT, &hdev->flags)) { |
Johan Hedberg | f332ec6 | 2013-03-15 17:07:11 -0500 | [diff] [blame] | 714 | hdev->page_scan_interval = __le16_to_cpu(rp->interval); |
| 715 | hdev->page_scan_window = __le16_to_cpu(rp->window); |
| 716 | } |
| 717 | } |
| 718 | |
Johan Hedberg | 4a3ee76 | 2013-03-15 17:07:12 -0500 | [diff] [blame] | 719 | static 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 Hedberg | f332ec6 | 2013-03-15 17:07:11 -0500 | [diff] [blame] | 738 | static 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 Holtmann | 45296ac | 2014-07-05 10:48:01 +0200 | [diff] [blame] | 745 | if (rp->status) |
| 746 | return; |
| 747 | |
| 748 | if (test_bit(HCI_INIT, &hdev->flags)) |
Johan Hedberg | f332ec6 | 2013-03-15 17:07:11 -0500 | [diff] [blame] | 749 | hdev->page_scan_type = rp->type; |
| 750 | } |
| 751 | |
Johan Hedberg | 4a3ee76 | 2013-03-15 17:07:12 -0500 | [diff] [blame] | 752 | static 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 Emeltchenko | 350ee4c | 2011-12-07 15:56:51 +0200 | [diff] [blame] | 768 | static void hci_cc_read_data_block_size(struct hci_dev *hdev, |
Gustavo Padovan | 807deac | 2012-05-17 00:36:24 -0300 | [diff] [blame] | 769 | struct sk_buff *skb) |
Andrei Emeltchenko | 350ee4c | 2011-12-07 15:56:51 +0200 | [diff] [blame] | 770 | { |
| 771 | struct hci_rp_read_data_block_size *rp = (void *) skb->data; |
| 772 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 773 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
Andrei Emeltchenko | 350ee4c | 2011-12-07 15:56:51 +0200 | [diff] [blame] | 774 | |
| 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 Padovan | 807deac | 2012-05-17 00:36:24 -0300 | [diff] [blame] | 785 | hdev->block_cnt, hdev->block_len); |
Andrei Emeltchenko | 350ee4c | 2011-12-07 15:56:51 +0200 | [diff] [blame] | 786 | } |
| 787 | |
Johan Hedberg | 33f3572 | 2014-06-28 17:54:06 +0300 | [diff] [blame] | 788 | static 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 | |
| 819 | unlock: |
| 820 | hci_dev_unlock(hdev); |
| 821 | } |
| 822 | |
Andrei Emeltchenko | 928abaa | 2011-10-12 10:53:57 +0300 | [diff] [blame] | 823 | static void hci_cc_read_local_amp_info(struct hci_dev *hdev, |
Gustavo Padovan | 807deac | 2012-05-17 00:36:24 -0300 | [diff] [blame] | 824 | struct sk_buff *skb) |
Andrei Emeltchenko | 928abaa | 2011-10-12 10:53:57 +0300 | [diff] [blame] | 825 | { |
| 826 | struct hci_rp_read_local_amp_info *rp = (void *) skb->data; |
| 827 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 828 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
Andrei Emeltchenko | 928abaa | 2011-10-12 10:53:57 +0300 | [diff] [blame] | 829 | |
| 830 | if (rp->status) |
Arron Wang | 8392788 | 2015-07-24 17:10:16 +0800 | [diff] [blame] | 831 | return; |
Andrei Emeltchenko | 928abaa | 2011-10-12 10:53:57 +0300 | [diff] [blame] | 832 | |
| 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 Emeltchenko | 928abaa | 2011-10-12 10:53:57 +0300 | [diff] [blame] | 843 | } |
| 844 | |
Johan Hedberg | d5859e2 | 2011-01-25 01:19:58 +0200 | [diff] [blame] | 845 | static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev, |
Gustavo Padovan | 807deac | 2012-05-17 00:36:24 -0300 | [diff] [blame] | 846 | struct sk_buff *skb) |
Johan Hedberg | d5859e2 | 2011-01-25 01:19:58 +0200 | [diff] [blame] | 847 | { |
Marcel Holtmann | 91c4e9b | 2012-03-11 19:27:21 -0700 | [diff] [blame] | 848 | struct hci_rp_read_inq_rsp_tx_power *rp = (void *) skb->data; |
Johan Hedberg | d5859e2 | 2011-01-25 01:19:58 +0200 | [diff] [blame] | 849 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 850 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
Johan Hedberg | d5859e2 | 2011-01-25 01:19:58 +0200 | [diff] [blame] | 851 | |
Marcel Holtmann | 45296ac | 2014-07-05 10:48:01 +0200 | [diff] [blame] | 852 | if (rp->status) |
| 853 | return; |
| 854 | |
| 855 | hdev->inq_tx_power = rp->tx_power; |
Johan Hedberg | d5859e2 | 2011-01-25 01:19:58 +0200 | [diff] [blame] | 856 | } |
| 857 | |
Johan Hedberg | 980e1a5 | 2011-01-22 06:10:07 +0200 | [diff] [blame] | 858 | static 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 Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 864 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
Johan Hedberg | 980e1a5 | 2011-01-22 06:10:07 +0200 | [diff] [blame] | 865 | |
Johan Hedberg | 56e5cb8 | 2011-11-08 20:40:16 +0200 | [diff] [blame] | 866 | hci_dev_lock(hdev); |
| 867 | |
Marcel Holtmann | d7a5a11 | 2015-03-13 02:11:00 -0700 | [diff] [blame] | 868 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
Johan Hedberg | 744cf19 | 2011-11-08 20:40:14 +0200 | [diff] [blame] | 869 | mgmt_pin_code_reply_complete(hdev, &rp->bdaddr, rp->status); |
Johan Hedberg | 980e1a5 | 2011-01-22 06:10:07 +0200 | [diff] [blame] | 870 | |
Mikel Astiz | fa1bd91 | 2012-08-09 09:52:29 +0200 | [diff] [blame] | 871 | if (rp->status) |
Johan Hedberg | 56e5cb8 | 2011-11-08 20:40:16 +0200 | [diff] [blame] | 872 | goto unlock; |
Johan Hedberg | 980e1a5 | 2011-01-22 06:10:07 +0200 | [diff] [blame] | 873 | |
| 874 | cp = hci_sent_cmd_data(hdev, HCI_OP_PIN_CODE_REPLY); |
| 875 | if (!cp) |
Johan Hedberg | 56e5cb8 | 2011-11-08 20:40:16 +0200 | [diff] [blame] | 876 | goto unlock; |
Johan Hedberg | 980e1a5 | 2011-01-22 06:10:07 +0200 | [diff] [blame] | 877 | |
| 878 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); |
| 879 | if (conn) |
| 880 | conn->pin_length = cp->pin_len; |
Johan Hedberg | 56e5cb8 | 2011-11-08 20:40:16 +0200 | [diff] [blame] | 881 | |
| 882 | unlock: |
| 883 | hci_dev_unlock(hdev); |
Johan Hedberg | 980e1a5 | 2011-01-22 06:10:07 +0200 | [diff] [blame] | 884 | } |
| 885 | |
| 886 | static 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 Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 890 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
Johan Hedberg | 980e1a5 | 2011-01-22 06:10:07 +0200 | [diff] [blame] | 891 | |
Johan Hedberg | 56e5cb8 | 2011-11-08 20:40:16 +0200 | [diff] [blame] | 892 | hci_dev_lock(hdev); |
| 893 | |
Marcel Holtmann | d7a5a11 | 2015-03-13 02:11:00 -0700 | [diff] [blame] | 894 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
Johan Hedberg | 744cf19 | 2011-11-08 20:40:14 +0200 | [diff] [blame] | 895 | mgmt_pin_code_neg_reply_complete(hdev, &rp->bdaddr, |
Gustavo Padovan | 807deac | 2012-05-17 00:36:24 -0300 | [diff] [blame] | 896 | rp->status); |
Johan Hedberg | 56e5cb8 | 2011-11-08 20:40:16 +0200 | [diff] [blame] | 897 | |
| 898 | hci_dev_unlock(hdev); |
Johan Hedberg | 980e1a5 | 2011-01-22 06:10:07 +0200 | [diff] [blame] | 899 | } |
Johan Hedberg | 56e5cb8 | 2011-11-08 20:40:16 +0200 | [diff] [blame] | 900 | |
Ville Tervo | 6ed58ec | 2011-02-10 22:38:48 -0300 | [diff] [blame] | 901 | static 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 Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 906 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
Ville Tervo | 6ed58ec | 2011-02-10 22:38:48 -0300 | [diff] [blame] | 907 | |
| 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 Tervo | 6ed58ec | 2011-02-10 22:38:48 -0300 | [diff] [blame] | 917 | } |
Johan Hedberg | 980e1a5 | 2011-01-22 06:10:07 +0200 | [diff] [blame] | 918 | |
Johan Hedberg | 60e7732 | 2013-01-22 14:01:59 +0200 | [diff] [blame] | 919 | static 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 Holtmann | 45296ac | 2014-07-05 10:48:01 +0200 | [diff] [blame] | 926 | if (rp->status) |
| 927 | return; |
| 928 | |
| 929 | memcpy(hdev->le_features, rp->features, 8); |
Johan Hedberg | 60e7732 | 2013-01-22 14:01:59 +0200 | [diff] [blame] | 930 | } |
| 931 | |
Johan Hedberg | 8fa1909 | 2012-10-19 20:57:49 +0300 | [diff] [blame] | 932 | static 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 Holtmann | 45296ac | 2014-07-05 10:48:01 +0200 | [diff] [blame] | 939 | if (rp->status) |
| 940 | return; |
| 941 | |
| 942 | hdev->adv_tx_power = rp->tx_power; |
Johan Hedberg | 8fa1909 | 2012-10-19 20:57:49 +0300 | [diff] [blame] | 943 | } |
| 944 | |
Johan Hedberg | a5c2968 | 2011-02-19 12:05:57 -0300 | [diff] [blame] | 945 | static 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 Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 949 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
Johan Hedberg | a5c2968 | 2011-02-19 12:05:57 -0300 | [diff] [blame] | 950 | |
Johan Hedberg | 56e5cb8 | 2011-11-08 20:40:16 +0200 | [diff] [blame] | 951 | hci_dev_lock(hdev); |
| 952 | |
Marcel Holtmann | d7a5a11 | 2015-03-13 02:11:00 -0700 | [diff] [blame] | 953 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
Gustavo F. Padovan | 0412468 | 2012-03-08 01:25:00 -0300 | [diff] [blame] | 954 | mgmt_user_confirm_reply_complete(hdev, &rp->bdaddr, ACL_LINK, 0, |
| 955 | rp->status); |
Johan Hedberg | 56e5cb8 | 2011-11-08 20:40:16 +0200 | [diff] [blame] | 956 | |
| 957 | hci_dev_unlock(hdev); |
Johan Hedberg | a5c2968 | 2011-02-19 12:05:57 -0300 | [diff] [blame] | 958 | } |
| 959 | |
| 960 | static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev, |
Gustavo Padovan | 807deac | 2012-05-17 00:36:24 -0300 | [diff] [blame] | 961 | struct sk_buff *skb) |
Johan Hedberg | a5c2968 | 2011-02-19 12:05:57 -0300 | [diff] [blame] | 962 | { |
| 963 | struct hci_rp_user_confirm_reply *rp = (void *) skb->data; |
| 964 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 965 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
Johan Hedberg | a5c2968 | 2011-02-19 12:05:57 -0300 | [diff] [blame] | 966 | |
Johan Hedberg | 56e5cb8 | 2011-11-08 20:40:16 +0200 | [diff] [blame] | 967 | hci_dev_lock(hdev); |
| 968 | |
Marcel Holtmann | d7a5a11 | 2015-03-13 02:11:00 -0700 | [diff] [blame] | 969 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
Johan Hedberg | 744cf19 | 2011-11-08 20:40:14 +0200 | [diff] [blame] | 970 | mgmt_user_confirm_neg_reply_complete(hdev, &rp->bdaddr, |
Gustavo F. Padovan | 0412468 | 2012-03-08 01:25:00 -0300 | [diff] [blame] | 971 | ACL_LINK, 0, rp->status); |
Johan Hedberg | 56e5cb8 | 2011-11-08 20:40:16 +0200 | [diff] [blame] | 972 | |
| 973 | hci_dev_unlock(hdev); |
Johan Hedberg | a5c2968 | 2011-02-19 12:05:57 -0300 | [diff] [blame] | 974 | } |
| 975 | |
Brian Gix | 1143d45 | 2011-11-23 08:28:34 -0800 | [diff] [blame] | 976 | static 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 Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 980 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
Brian Gix | 1143d45 | 2011-11-23 08:28:34 -0800 | [diff] [blame] | 981 | |
| 982 | hci_dev_lock(hdev); |
| 983 | |
Marcel Holtmann | d7a5a11 | 2015-03-13 02:11:00 -0700 | [diff] [blame] | 984 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
Johan Hedberg | 272d90d | 2012-02-09 15:26:12 +0200 | [diff] [blame] | 985 | mgmt_user_passkey_reply_complete(hdev, &rp->bdaddr, ACL_LINK, |
Gustavo F. Padovan | 0412468 | 2012-03-08 01:25:00 -0300 | [diff] [blame] | 986 | 0, rp->status); |
Brian Gix | 1143d45 | 2011-11-23 08:28:34 -0800 | [diff] [blame] | 987 | |
| 988 | hci_dev_unlock(hdev); |
| 989 | } |
| 990 | |
| 991 | static void hci_cc_user_passkey_neg_reply(struct hci_dev *hdev, |
Gustavo Padovan | 807deac | 2012-05-17 00:36:24 -0300 | [diff] [blame] | 992 | struct sk_buff *skb) |
Brian Gix | 1143d45 | 2011-11-23 08:28:34 -0800 | [diff] [blame] | 993 | { |
| 994 | struct hci_rp_user_confirm_reply *rp = (void *) skb->data; |
| 995 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 996 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
Brian Gix | 1143d45 | 2011-11-23 08:28:34 -0800 | [diff] [blame] | 997 | |
| 998 | hci_dev_lock(hdev); |
| 999 | |
Marcel Holtmann | d7a5a11 | 2015-03-13 02:11:00 -0700 | [diff] [blame] | 1000 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
Brian Gix | 1143d45 | 2011-11-23 08:28:34 -0800 | [diff] [blame] | 1001 | mgmt_user_passkey_neg_reply_complete(hdev, &rp->bdaddr, |
Gustavo F. Padovan | 0412468 | 2012-03-08 01:25:00 -0300 | [diff] [blame] | 1002 | ACL_LINK, 0, rp->status); |
Brian Gix | 1143d45 | 2011-11-23 08:28:34 -0800 | [diff] [blame] | 1003 | |
| 1004 | hci_dev_unlock(hdev); |
| 1005 | } |
| 1006 | |
Marcel Holtmann | 4d2d279 | 2014-01-10 02:07:26 -0800 | [diff] [blame] | 1007 | static void hci_cc_read_local_oob_data(struct hci_dev *hdev, |
| 1008 | struct sk_buff *skb) |
Szymon Janc | c35938b | 2011-03-22 13:12:21 +0100 | [diff] [blame] | 1009 | { |
| 1010 | struct hci_rp_read_local_oob_data *rp = (void *) skb->data; |
| 1011 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 1012 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
Marcel Holtmann | 4d2d279 | 2014-01-10 02:07:26 -0800 | [diff] [blame] | 1013 | } |
| 1014 | |
| 1015 | static 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 Janc | c35938b | 2011-03-22 13:12:21 +0100 | [diff] [blame] | 1021 | } |
| 1022 | |
Marcel Holtmann | 7a4cd51 | 2014-02-19 19:52:13 -0800 | [diff] [blame] | 1023 | static 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 Holtmann | 45296ac | 2014-07-05 10:48:01 +0200 | [diff] [blame] | 1030 | if (status) |
| 1031 | return; |
| 1032 | |
Marcel Holtmann | 7a4cd51 | 2014-02-19 19:52:13 -0800 | [diff] [blame] | 1033 | 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 Holtmann | 45296ac | 2014-07-05 10:48:01 +0200 | [diff] [blame] | 1039 | bacpy(&hdev->random_addr, sent); |
Marcel Holtmann | 7a4cd51 | 2014-02-19 19:52:13 -0800 | [diff] [blame] | 1040 | |
| 1041 | hci_dev_unlock(hdev); |
| 1042 | } |
| 1043 | |
Johan Hedberg | c1d5dc4 | 2012-11-08 01:23:01 +0100 | [diff] [blame] | 1044 | static 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 Holtmann | 45296ac | 2014-07-05 10:48:01 +0200 | [diff] [blame] | 1050 | if (status) |
Johan Hedberg | c1d5dc4 | 2012-11-08 01:23:01 +0100 | [diff] [blame] | 1051 | return; |
| 1052 | |
Marcel Holtmann | 45296ac | 2014-07-05 10:48:01 +0200 | [diff] [blame] | 1053 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_ENABLE); |
| 1054 | if (!sent) |
Johan Hedberg | 3c85775 | 2014-03-25 10:30:49 +0200 | [diff] [blame] | 1055 | return; |
| 1056 | |
Johan Hedberg | c1d5dc4 | 2012-11-08 01:23:01 +0100 | [diff] [blame] | 1057 | hci_dev_lock(hdev); |
| 1058 | |
Stephen Hemminger | 49c922b | 2014-10-27 21:12:20 -0700 | [diff] [blame] | 1059 | /* If we're doing connection initiation as peripheral. Set a |
Johan Hedberg | 3c85775 | 2014-03-25 10:30:49 +0200 | [diff] [blame] | 1060 | * timeout in case something goes wrong. |
| 1061 | */ |
| 1062 | if (*sent) { |
| 1063 | struct hci_conn *conn; |
| 1064 | |
Marcel Holtmann | a1536da | 2015-03-13 02:11:01 -0700 | [diff] [blame] | 1065 | hci_dev_set_flag(hdev, HCI_LE_ADV); |
Johan Hedberg | 66c417c | 2014-07-08 15:07:47 +0300 | [diff] [blame] | 1066 | |
Jakub Pawlowski | e7d9ab7 | 2015-08-07 20:22:52 +0200 | [diff] [blame] | 1067 | conn = hci_lookup_le_connect(hdev); |
Johan Hedberg | 3c85775 | 2014-03-25 10:30:49 +0200 | [diff] [blame] | 1068 | if (conn) |
| 1069 | queue_delayed_work(hdev->workqueue, |
| 1070 | &conn->le_conn_timeout, |
Johan Hedberg | 09ae260 | 2014-07-06 13:41:15 +0300 | [diff] [blame] | 1071 | conn->conn_timeout); |
Johan Hedberg | 66c417c | 2014-07-08 15:07:47 +0300 | [diff] [blame] | 1072 | } else { |
Marcel Holtmann | a358dc1 | 2015-03-13 02:11:02 -0700 | [diff] [blame] | 1073 | hci_dev_clear_flag(hdev, HCI_LE_ADV); |
Johan Hedberg | 3c85775 | 2014-03-25 10:30:49 +0200 | [diff] [blame] | 1074 | } |
| 1075 | |
Johan Hedberg | 04b4edc | 2013-03-15 17:07:01 -0500 | [diff] [blame] | 1076 | hci_dev_unlock(hdev); |
Johan Hedberg | c1d5dc4 | 2012-11-08 01:23:01 +0100 | [diff] [blame] | 1077 | } |
| 1078 | |
Marcel Holtmann | 533553f | 2014-03-21 12:18:10 -0700 | [diff] [blame] | 1079 | static 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 Holtmann | 45296ac | 2014-07-05 10:48:01 +0200 | [diff] [blame] | 1086 | if (status) |
| 1087 | return; |
| 1088 | |
Marcel Holtmann | 533553f | 2014-03-21 12:18:10 -0700 | [diff] [blame] | 1089 | 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 Holtmann | 45296ac | 2014-07-05 10:48:01 +0200 | [diff] [blame] | 1095 | hdev->le_scan_type = cp->type; |
Marcel Holtmann | 533553f | 2014-03-21 12:18:10 -0700 | [diff] [blame] | 1096 | |
| 1097 | hci_dev_unlock(hdev); |
| 1098 | } |
| 1099 | |
Johan Hedberg | b9a6328 | 2014-03-25 10:51:52 +0200 | [diff] [blame] | 1100 | static 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 | |
| 1107 | static 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 | |
| 1115 | static void store_pending_adv_report(struct hci_dev *hdev, bdaddr_t *bdaddr, |
Marcel Holtmann | c70a7e4 | 2014-07-01 14:11:21 +0200 | [diff] [blame] | 1116 | u8 bdaddr_type, s8 rssi, u32 flags, |
| 1117 | u8 *data, u8 len) |
Johan Hedberg | b9a6328 | 2014-03-25 10:51:52 +0200 | [diff] [blame] | 1118 | { |
| 1119 | struct discovery_state *d = &hdev->discovery; |
| 1120 | |
| 1121 | bacpy(&d->last_adv_addr, bdaddr); |
| 1122 | d->last_adv_addr_type = bdaddr_type; |
Johan Hedberg | ff5cd29 | 2014-03-25 14:40:52 +0200 | [diff] [blame] | 1123 | d->last_adv_rssi = rssi; |
Marcel Holtmann | c70a7e4 | 2014-07-01 14:11:21 +0200 | [diff] [blame] | 1124 | d->last_adv_flags = flags; |
Johan Hedberg | b9a6328 | 2014-03-25 10:51:52 +0200 | [diff] [blame] | 1125 | memcpy(d->last_adv_data, data, len); |
| 1126 | d->last_adv_data_len = len; |
| 1127 | } |
| 1128 | |
Andre Guedes | eb9d91f | 2011-05-26 16:23:52 -0300 | [diff] [blame] | 1129 | static void hci_cc_le_set_scan_enable(struct hci_dev *hdev, |
Gustavo Padovan | 807deac | 2012-05-17 00:36:24 -0300 | [diff] [blame] | 1130 | struct sk_buff *skb) |
Andre Guedes | eb9d91f | 2011-05-26 16:23:52 -0300 | [diff] [blame] | 1131 | { |
| 1132 | struct hci_cp_le_set_scan_enable *cp; |
| 1133 | __u8 status = *((__u8 *) skb->data); |
| 1134 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 1135 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
Andre Guedes | eb9d91f | 2011-05-26 16:23:52 -0300 | [diff] [blame] | 1136 | |
Marcel Holtmann | 45296ac | 2014-07-05 10:48:01 +0200 | [diff] [blame] | 1137 | if (status) |
Andre Guedes | eb9d91f | 2011-05-26 16:23:52 -0300 | [diff] [blame] | 1138 | return; |
| 1139 | |
Marcel Holtmann | 45296ac | 2014-07-05 10:48:01 +0200 | [diff] [blame] | 1140 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE); |
| 1141 | if (!cp) |
Andre Guedes | 3fd319b | 2013-04-30 15:29:36 -0300 | [diff] [blame] | 1142 | return; |
| 1143 | |
Jaganath Kanakkassery | 5c1a4c8 | 2014-12-11 18:58:15 +0530 | [diff] [blame] | 1144 | hci_dev_lock(hdev); |
| 1145 | |
Andrei Emeltchenko | 68a8aea | 2011-12-19 16:14:18 +0200 | [diff] [blame] | 1146 | switch (cp->enable) { |
Andre Guedes | 76a388b | 2013-04-04 20:21:02 -0300 | [diff] [blame] | 1147 | case LE_SCAN_ENABLE: |
Marcel Holtmann | a1536da | 2015-03-13 02:11:01 -0700 | [diff] [blame] | 1148 | hci_dev_set_flag(hdev, HCI_LE_SCAN); |
Johan Hedberg | b9a6328 | 2014-03-25 10:51:52 +0200 | [diff] [blame] | 1149 | if (hdev->le_scan_type == LE_SCAN_ACTIVE) |
| 1150 | clear_pending_adv_report(hdev); |
Andrei Emeltchenko | 68a8aea | 2011-12-19 16:14:18 +0200 | [diff] [blame] | 1151 | break; |
| 1152 | |
Andre Guedes | 76a388b | 2013-04-04 20:21:02 -0300 | [diff] [blame] | 1153 | case LE_SCAN_DISABLE: |
Johan Hedberg | b9a6328 | 2014-03-25 10:51:52 +0200 | [diff] [blame] | 1154 | /* 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 Hedberg | ab0aa43 | 2014-03-26 14:17:12 +0200 | [diff] [blame] | 1162 | d->last_adv_addr_type, NULL, |
Marcel Holtmann | c70a7e4 | 2014-07-01 14:11:21 +0200 | [diff] [blame] | 1163 | d->last_adv_rssi, d->last_adv_flags, |
Johan Hedberg | ab0aa43 | 2014-03-26 14:17:12 +0200 | [diff] [blame] | 1164 | d->last_adv_data, |
Johan Hedberg | b9a6328 | 2014-03-25 10:51:52 +0200 | [diff] [blame] | 1165 | d->last_adv_data_len, NULL, 0); |
| 1166 | } |
| 1167 | |
Johan Hedberg | 317ac8c | 2014-02-28 20:26:12 +0200 | [diff] [blame] | 1168 | /* 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 Holtmann | a358dc1 | 2015-03-13 02:11:02 -0700 | [diff] [blame] | 1173 | hci_dev_clear_flag(hdev, HCI_LE_SCAN); |
Johan Hedberg | e8bb6b9 | 2014-07-08 15:07:53 +0300 | [diff] [blame] | 1174 | |
Johan Hedberg | 81ad6fd | 2014-02-28 20:26:13 +0200 | [diff] [blame] | 1175 | /* The HCI_LE_SCAN_INTERRUPTED flag indicates that we |
| 1176 | * interrupted scanning due to a connect request. Mark |
Johan Hedberg | e8bb6b9 | 2014-07-08 15:07:53 +0300 | [diff] [blame] | 1177 | * 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 Hedberg | 81ad6fd | 2014-02-28 20:26:13 +0200 | [diff] [blame] | 1181 | */ |
Marcel Holtmann | a69d892 | 2015-03-13 02:11:05 -0700 | [diff] [blame] | 1182 | if (hci_dev_test_and_clear_flag(hdev, HCI_LE_SCAN_INTERRUPTED)) |
Johan Hedberg | 81ad6fd | 2014-02-28 20:26:13 +0200 | [diff] [blame] | 1183 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); |
Marcel Holtmann | d7a5a11 | 2015-03-13 02:11:00 -0700 | [diff] [blame] | 1184 | else if (!hci_dev_test_flag(hdev, HCI_LE_ADV) && |
Johan Hedberg | 3472227 | 2014-07-08 16:05:05 +0300 | [diff] [blame] | 1185 | hdev->discovery.state == DISCOVERY_FINDING) |
Johan Hedberg | f225257 | 2015-11-18 12:49:20 +0200 | [diff] [blame] | 1186 | hci_req_reenable_advertising(hdev); |
Johan Hedberg | e8bb6b9 | 2014-07-08 15:07:53 +0300 | [diff] [blame] | 1187 | |
Andrei Emeltchenko | 68a8aea | 2011-12-19 16:14:18 +0200 | [diff] [blame] | 1188 | break; |
| 1189 | |
| 1190 | default: |
| 1191 | BT_ERR("Used reserved LE_Scan_Enable param %d", cp->enable); |
| 1192 | break; |
Andre Guedes | 3581508 | 2011-05-26 16:23:53 -0300 | [diff] [blame] | 1193 | } |
Jaganath Kanakkassery | 5c1a4c8 | 2014-12-11 18:58:15 +0530 | [diff] [blame] | 1194 | |
| 1195 | hci_dev_unlock(hdev); |
Andre Guedes | eb9d91f | 2011-05-26 16:23:52 -0300 | [diff] [blame] | 1196 | } |
| 1197 | |
Johan Hedberg | cf1d081 | 2013-01-22 14:02:00 +0200 | [diff] [blame] | 1198 | static 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 Holtmann | 45296ac | 2014-07-05 10:48:01 +0200 | [diff] [blame] | 1205 | if (rp->status) |
| 1206 | return; |
| 1207 | |
| 1208 | hdev->le_white_list_size = rp->size; |
Johan Hedberg | cf1d081 | 2013-01-22 14:02:00 +0200 | [diff] [blame] | 1209 | } |
| 1210 | |
Marcel Holtmann | 0f36b58 | 2014-02-27 20:37:31 -0800 | [diff] [blame] | 1211 | static 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 Holtmann | 45296ac | 2014-07-05 10:48:01 +0200 | [diff] [blame] | 1218 | if (status) |
| 1219 | return; |
| 1220 | |
Johan Hedberg | dcc36c1 | 2014-07-09 12:59:13 +0300 | [diff] [blame] | 1221 | hci_bdaddr_list_clear(&hdev->le_white_list); |
Marcel Holtmann | 0f36b58 | 2014-02-27 20:37:31 -0800 | [diff] [blame] | 1222 | } |
| 1223 | |
| 1224 | static 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 Holtmann | 45296ac | 2014-07-05 10:48:01 +0200 | [diff] [blame] | 1232 | if (status) |
| 1233 | return; |
| 1234 | |
Marcel Holtmann | 0f36b58 | 2014-02-27 20:37:31 -0800 | [diff] [blame] | 1235 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_ADD_TO_WHITE_LIST); |
| 1236 | if (!sent) |
| 1237 | return; |
| 1238 | |
Johan Hedberg | dcc36c1 | 2014-07-09 12:59:13 +0300 | [diff] [blame] | 1239 | hci_bdaddr_list_add(&hdev->le_white_list, &sent->bdaddr, |
| 1240 | sent->bdaddr_type); |
Marcel Holtmann | 0f36b58 | 2014-02-27 20:37:31 -0800 | [diff] [blame] | 1241 | } |
| 1242 | |
| 1243 | static 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 Holtmann | 45296ac | 2014-07-05 10:48:01 +0200 | [diff] [blame] | 1251 | if (status) |
| 1252 | return; |
| 1253 | |
Marcel Holtmann | 0f36b58 | 2014-02-27 20:37:31 -0800 | [diff] [blame] | 1254 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_DEL_FROM_WHITE_LIST); |
| 1255 | if (!sent) |
| 1256 | return; |
| 1257 | |
Johan Hedberg | dcc36c1 | 2014-07-09 12:59:13 +0300 | [diff] [blame] | 1258 | hci_bdaddr_list_del(&hdev->le_white_list, &sent->bdaddr, |
| 1259 | sent->bdaddr_type); |
Marcel Holtmann | 0f36b58 | 2014-02-27 20:37:31 -0800 | [diff] [blame] | 1260 | } |
| 1261 | |
Johan Hedberg | 9b008c0 | 2013-01-22 14:02:01 +0200 | [diff] [blame] | 1262 | static 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 Holtmann | 45296ac | 2014-07-05 10:48:01 +0200 | [diff] [blame] | 1269 | if (rp->status) |
| 1270 | return; |
| 1271 | |
| 1272 | memcpy(hdev->le_states, rp->le_states, 8); |
Johan Hedberg | 9b008c0 | 2013-01-22 14:02:01 +0200 | [diff] [blame] | 1273 | } |
| 1274 | |
Marcel Holtmann | a8e1bfa | 2014-12-20 16:28:40 +0100 | [diff] [blame] | 1275 | static 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 | |
| 1289 | static 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 | |
| 1308 | static 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 Padovan | 6039aa73 | 2012-05-23 04:04:18 -0300 | [diff] [blame] | 1324 | static void hci_cc_write_le_host_supported(struct hci_dev *hdev, |
| 1325 | struct sk_buff *skb) |
Andre Guedes | f9b4930 | 2011-06-30 19:20:53 -0300 | [diff] [blame] | 1326 | { |
Johan Hedberg | 06199cf | 2012-02-22 16:37:11 +0200 | [diff] [blame] | 1327 | struct hci_cp_write_le_host_supported *sent; |
Andre Guedes | f9b4930 | 2011-06-30 19:20:53 -0300 | [diff] [blame] | 1328 | __u8 status = *((__u8 *) skb->data); |
| 1329 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 1330 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
Andre Guedes | f9b4930 | 2011-06-30 19:20:53 -0300 | [diff] [blame] | 1331 | |
Marcel Holtmann | 45296ac | 2014-07-05 10:48:01 +0200 | [diff] [blame] | 1332 | if (status) |
| 1333 | return; |
| 1334 | |
Johan Hedberg | 06199cf | 2012-02-22 16:37:11 +0200 | [diff] [blame] | 1335 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED); |
Johan Hedberg | 8f984df | 2012-02-28 01:07:22 +0200 | [diff] [blame] | 1336 | if (!sent) |
Andre Guedes | f9b4930 | 2011-06-30 19:20:53 -0300 | [diff] [blame] | 1337 | return; |
| 1338 | |
Jaganath Kanakkassery | 5c1a4c8 | 2014-12-11 18:58:15 +0530 | [diff] [blame] | 1339 | hci_dev_lock(hdev); |
| 1340 | |
Marcel Holtmann | 45296ac | 2014-07-05 10:48:01 +0200 | [diff] [blame] | 1341 | if (sent->le) { |
| 1342 | hdev->features[1][0] |= LMP_HOST_LE; |
Marcel Holtmann | a1536da | 2015-03-13 02:11:01 -0700 | [diff] [blame] | 1343 | hci_dev_set_flag(hdev, HCI_LE_ENABLED); |
Marcel Holtmann | 45296ac | 2014-07-05 10:48:01 +0200 | [diff] [blame] | 1344 | } else { |
| 1345 | hdev->features[1][0] &= ~LMP_HOST_LE; |
Marcel Holtmann | a358dc1 | 2015-03-13 02:11:02 -0700 | [diff] [blame] | 1346 | hci_dev_clear_flag(hdev, HCI_LE_ENABLED); |
| 1347 | hci_dev_clear_flag(hdev, HCI_ADVERTISING); |
Johan Hedberg | 8f984df | 2012-02-28 01:07:22 +0200 | [diff] [blame] | 1348 | } |
Marcel Holtmann | 45296ac | 2014-07-05 10:48:01 +0200 | [diff] [blame] | 1349 | |
| 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 Kanakkassery | 5c1a4c8 | 2014-12-11 18:58:15 +0530 | [diff] [blame] | 1354 | |
| 1355 | hci_dev_unlock(hdev); |
Andre Guedes | f9b4930 | 2011-06-30 19:20:53 -0300 | [diff] [blame] | 1356 | } |
| 1357 | |
Johan Hedberg | 56ed2cb | 2014-02-27 14:05:40 +0200 | [diff] [blame] | 1358 | static 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 Kaczmarek | 5ae76a9 | 2014-05-08 15:32:08 +0200 | [diff] [blame] | 1377 | static 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 Kaczmarek | 5a134fa | 2014-05-09 21:35:28 +0200 | [diff] [blame] | 1396 | static 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 Kaczmarek | d0455ed | 2014-05-14 13:43:05 +0200 | [diff] [blame] | 1414 | if (!conn) |
| 1415 | goto unlock; |
Andrzej Kaczmarek | 5a134fa | 2014-05-09 21:35:28 +0200 | [diff] [blame] | 1416 | |
Andrzej Kaczmarek | d0455ed | 2014-05-14 13:43:05 +0200 | [diff] [blame] | 1417 | 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 | |
| 1426 | unlock: |
Andrzej Kaczmarek | 5a134fa | 2014-05-09 21:35:28 +0200 | [diff] [blame] | 1427 | hci_dev_unlock(hdev); |
| 1428 | } |
| 1429 | |
Marcel Holtmann | c50b33c | 2015-01-31 15:07:52 -0800 | [diff] [blame] | 1430 | static 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 Padovan | 6039aa73 | 2012-05-23 04:04:18 -0300 | [diff] [blame] | 1445 | static void hci_cs_inquiry(struct hci_dev *hdev, __u8 status) |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 1446 | { |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 1447 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 1448 | |
| 1449 | if (status) { |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 1450 | hci_conn_check_pending(hdev); |
Johan Hedberg | 314b238 | 2011-04-27 10:29:57 -0400 | [diff] [blame] | 1451 | return; |
| 1452 | } |
| 1453 | |
Andre Guedes | 89352e7 | 2011-11-04 14:16:53 -0300 | [diff] [blame] | 1454 | set_bit(HCI_INQUIRY, &hdev->flags); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 1455 | } |
| 1456 | |
Gustavo Padovan | 6039aa73 | 2012-05-23 04:04:18 -0300 | [diff] [blame] | 1457 | static void hci_cs_create_conn(struct hci_dev *hdev, __u8 status) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1458 | { |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 1459 | struct hci_cp_create_conn *cp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1460 | struct hci_conn *conn; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1461 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 1462 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 1463 | |
| 1464 | cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1465 | 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 Emeltchenko | 6ed93dc | 2012-09-25 12:49:43 +0300 | [diff] [blame] | 1472 | BT_DBG("%s bdaddr %pMR hcon %p", hdev->name, &cp->bdaddr, conn); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1473 | |
| 1474 | if (status) { |
| 1475 | if (conn && conn->state == BT_CONNECT) { |
Marcel Holtmann | 4c67bc7 | 2006-10-15 17:30:56 +0200 | [diff] [blame] | 1476 | if (status != 0x0c || conn->attempt > 2) { |
| 1477 | conn->state = BT_CLOSED; |
Johan Hedberg | 539c496 | 2015-02-18 14:53:57 +0200 | [diff] [blame] | 1478 | hci_connect_cfm(conn, status); |
Marcel Holtmann | 4c67bc7 | 2006-10-15 17:30:56 +0200 | [diff] [blame] | 1479 | hci_conn_del(conn); |
| 1480 | } else |
| 1481 | conn->state = BT_CONNECT2; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1482 | } |
| 1483 | } else { |
| 1484 | if (!conn) { |
Johan Hedberg | a5c4e30 | 2014-07-16 11:56:07 +0300 | [diff] [blame] | 1485 | conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr, |
| 1486 | HCI_ROLE_MASTER); |
| 1487 | if (!conn) |
Gustavo F. Padovan | 893ef97 | 2010-07-18 15:13:37 -0300 | [diff] [blame] | 1488 | BT_ERR("No memory for new connection"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1489 | } |
| 1490 | } |
| 1491 | |
| 1492 | hci_dev_unlock(hdev); |
| 1493 | } |
| 1494 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 1495 | static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1496 | { |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 1497 | struct hci_cp_add_sco *cp; |
| 1498 | struct hci_conn *acl, *sco; |
| 1499 | __u16 handle; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1500 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 1501 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
Marcel Holtmann | b6a0dc8 | 2007-10-20 14:55:10 +0200 | [diff] [blame] | 1502 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 1503 | if (!status) |
| 1504 | return; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1505 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 1506 | cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO); |
| 1507 | if (!cp) |
| 1508 | return; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1509 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 1510 | handle = __le16_to_cpu(cp->handle); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1511 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 1512 | BT_DBG("%s handle 0x%4.4x", hdev->name, handle); |
Marcel Holtmann | 6bd5741 | 2006-11-18 22:14:22 +0100 | [diff] [blame] | 1513 | |
| 1514 | hci_dev_lock(hdev); |
| 1515 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 1516 | acl = hci_conn_hash_lookup_handle(hdev, handle); |
Andrei Emeltchenko | 5a08ecc | 2011-01-11 17:20:20 +0200 | [diff] [blame] | 1517 | if (acl) { |
| 1518 | sco = acl->link; |
| 1519 | if (sco) { |
| 1520 | sco->state = BT_CLOSED; |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 1521 | |
Johan Hedberg | 539c496 | 2015-02-18 14:53:57 +0200 | [diff] [blame] | 1522 | hci_connect_cfm(sco, status); |
Andrei Emeltchenko | 5a08ecc | 2011-01-11 17:20:20 +0200 | [diff] [blame] | 1523 | hci_conn_del(sco); |
| 1524 | } |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 1525 | } |
Marcel Holtmann | 6bd5741 | 2006-11-18 22:14:22 +0100 | [diff] [blame] | 1526 | |
| 1527 | hci_dev_unlock(hdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1528 | } |
| 1529 | |
Marcel Holtmann | f855855 | 2008-07-14 20:13:49 +0200 | [diff] [blame] | 1530 | static 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 Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 1535 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
Marcel Holtmann | f855855 | 2008-07-14 20:13:49 +0200 | [diff] [blame] | 1536 | |
| 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 Hedberg | 539c496 | 2015-02-18 14:53:57 +0200 | [diff] [blame] | 1549 | hci_connect_cfm(conn, status); |
David Herrmann | 76a68ba | 2013-04-06 20:28:37 +0200 | [diff] [blame] | 1550 | hci_conn_drop(conn); |
Marcel Holtmann | f855855 | 2008-07-14 20:13:49 +0200 | [diff] [blame] | 1551 | } |
| 1552 | } |
| 1553 | |
| 1554 | hci_dev_unlock(hdev); |
| 1555 | } |
| 1556 | |
| 1557 | static 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 Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 1562 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
Marcel Holtmann | f855855 | 2008-07-14 20:13:49 +0200 | [diff] [blame] | 1563 | |
| 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 Hedberg | 539c496 | 2015-02-18 14:53:57 +0200 | [diff] [blame] | 1576 | hci_connect_cfm(conn, status); |
David Herrmann | 76a68ba | 2013-04-06 20:28:37 +0200 | [diff] [blame] | 1577 | hci_conn_drop(conn); |
Marcel Holtmann | f855855 | 2008-07-14 20:13:49 +0200 | [diff] [blame] | 1578 | } |
| 1579 | } |
| 1580 | |
| 1581 | hci_dev_unlock(hdev); |
| 1582 | } |
| 1583 | |
Johan Hedberg | 127178d | 2010-11-18 22:22:29 +0200 | [diff] [blame] | 1584 | static int hci_outgoing_auth_needed(struct hci_dev *hdev, |
Gustavo Padovan | 807deac | 2012-05-17 00:36:24 -0300 | [diff] [blame] | 1585 | struct hci_conn *conn) |
Johan Hedberg | 392599b | 2010-11-18 22:22:28 +0200 | [diff] [blame] | 1586 | { |
Johan Hedberg | 392599b | 2010-11-18 22:22:28 +0200 | [diff] [blame] | 1587 | if (conn->state != BT_CONFIG || !conn->out) |
| 1588 | return 0; |
| 1589 | |
Johan Hedberg | 765c2a9 | 2011-01-19 12:06:52 +0530 | [diff] [blame] | 1590 | if (conn->pending_sec_level == BT_SECURITY_SDP) |
Johan Hedberg | 392599b | 2010-11-18 22:22:28 +0200 | [diff] [blame] | 1591 | return 0; |
| 1592 | |
| 1593 | /* Only request authentication for SSP connections or non-SSP |
Johan Hedberg | 264b8b4 | 2014-01-08 16:40:39 +0200 | [diff] [blame] | 1594 | * devices with sec_level MEDIUM or HIGH or if MITM protection |
| 1595 | * is requested. |
| 1596 | */ |
Gustavo Padovan | 807deac | 2012-05-17 00:36:24 -0300 | [diff] [blame] | 1597 | if (!hci_conn_ssp_enabled(conn) && !(conn->auth_type & 0x01) && |
Johan Hedberg | 7e3691e | 2014-05-30 14:45:19 +0300 | [diff] [blame] | 1598 | conn->pending_sec_level != BT_SECURITY_FIPS && |
Johan Hedberg | 264b8b4 | 2014-01-08 16:40:39 +0200 | [diff] [blame] | 1599 | conn->pending_sec_level != BT_SECURITY_HIGH && |
| 1600 | conn->pending_sec_level != BT_SECURITY_MEDIUM) |
Johan Hedberg | 392599b | 2010-11-18 22:22:28 +0200 | [diff] [blame] | 1601 | return 0; |
| 1602 | |
Johan Hedberg | 392599b | 2010-11-18 22:22:28 +0200 | [diff] [blame] | 1603 | return 1; |
| 1604 | } |
| 1605 | |
Gustavo Padovan | 6039aa73 | 2012-05-23 04:04:18 -0300 | [diff] [blame] | 1606 | static int hci_resolve_name(struct hci_dev *hdev, |
Gustavo F. Padovan | 0412468 | 2012-03-08 01:25:00 -0300 | [diff] [blame] | 1607 | struct inquiry_entry *e) |
Johan Hedberg | 30dc78e | 2012-01-04 15:44:20 +0200 | [diff] [blame] | 1608 | { |
| 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 Hedberg | b644ba3 | 2012-01-17 21:48:47 +0200 | [diff] [blame] | 1621 | static bool hci_resolve_next_name(struct hci_dev *hdev) |
Johan Hedberg | 30dc78e | 2012-01-04 15:44:20 +0200 | [diff] [blame] | 1622 | { |
| 1623 | struct discovery_state *discov = &hdev->discovery; |
| 1624 | struct inquiry_entry *e; |
| 1625 | |
Johan Hedberg | b644ba3 | 2012-01-17 21:48:47 +0200 | [diff] [blame] | 1626 | if (list_empty(&discov->resolve)) |
| 1627 | return false; |
| 1628 | |
| 1629 | e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED); |
Ram Malovany | c810089 | 2012-07-19 10:26:09 +0300 | [diff] [blame] | 1630 | if (!e) |
| 1631 | return false; |
| 1632 | |
Johan Hedberg | b644ba3 | 2012-01-17 21:48:47 +0200 | [diff] [blame] | 1633 | if (hci_resolve_name(hdev, e) == 0) { |
| 1634 | e->name_state = NAME_PENDING; |
| 1635 | return true; |
| 1636 | } |
| 1637 | |
| 1638 | return false; |
| 1639 | } |
| 1640 | |
| 1641 | static void hci_check_pending_name(struct hci_dev *hdev, struct hci_conn *conn, |
Gustavo F. Padovan | 0412468 | 2012-03-08 01:25:00 -0300 | [diff] [blame] | 1642 | bdaddr_t *bdaddr, u8 *name, u8 name_len) |
Johan Hedberg | b644ba3 | 2012-01-17 21:48:47 +0200 | [diff] [blame] | 1643 | { |
| 1644 | struct discovery_state *discov = &hdev->discovery; |
| 1645 | struct inquiry_entry *e; |
| 1646 | |
Johan Hedberg | 60cb49d | 2014-11-11 11:33:24 +0200 | [diff] [blame] | 1647 | /* 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 Kanakkassery | cb77c3e | 2014-11-07 16:39:09 +0530 | [diff] [blame] | 1654 | !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) |
Alfonso Acosta | 48ec92f | 2014-10-07 08:44:10 +0000 | [diff] [blame] | 1655 | mgmt_device_connected(hdev, conn, 0, name, name_len); |
Johan Hedberg | b644ba3 | 2012-01-17 21:48:47 +0200 | [diff] [blame] | 1656 | |
| 1657 | if (discov->state == DISCOVERY_STOPPED) |
| 1658 | return; |
| 1659 | |
Johan Hedberg | 30dc78e | 2012-01-04 15:44:20 +0200 | [diff] [blame] | 1660 | 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 Malovany | 7cc8380 | 2012-07-19 10:26:10 +0300 | [diff] [blame] | 1667 | /* 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 Hedberg | 30dc78e | 2012-01-04 15:44:20 +0200 | [diff] [blame] | 1676 | e->name_state = NAME_KNOWN; |
Ram Malovany | 7cc8380 | 2012-07-19 10:26:10 +0300 | [diff] [blame] | 1677 | mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00, |
| 1678 | e->data.rssi, name, name_len); |
Ram Malovany | c3e7c0d | 2012-07-19 10:26:11 +0300 | [diff] [blame] | 1679 | } else { |
| 1680 | e->name_state = NAME_NOT_KNOWN; |
Johan Hedberg | 30dc78e | 2012-01-04 15:44:20 +0200 | [diff] [blame] | 1681 | } |
| 1682 | |
Johan Hedberg | b644ba3 | 2012-01-17 21:48:47 +0200 | [diff] [blame] | 1683 | if (hci_resolve_next_name(hdev)) |
Johan Hedberg | 30dc78e | 2012-01-04 15:44:20 +0200 | [diff] [blame] | 1684 | return; |
Johan Hedberg | 30dc78e | 2012-01-04 15:44:20 +0200 | [diff] [blame] | 1685 | |
| 1686 | discov_complete: |
| 1687 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); |
| 1688 | } |
| 1689 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 1690 | static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status) |
| 1691 | { |
Johan Hedberg | 127178d | 2010-11-18 22:22:29 +0200 | [diff] [blame] | 1692 | struct hci_cp_remote_name_req *cp; |
| 1693 | struct hci_conn *conn; |
| 1694 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 1695 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
Johan Hedberg | 127178d | 2010-11-18 22:22:29 +0200 | [diff] [blame] | 1696 | |
| 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 Hedberg | b644ba3 | 2012-01-17 21:48:47 +0200 | [diff] [blame] | 1709 | |
Marcel Holtmann | d7a5a11 | 2015-03-13 02:11:00 -0700 | [diff] [blame] | 1710 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
Johan Hedberg | b644ba3 | 2012-01-17 21:48:47 +0200 | [diff] [blame] | 1711 | hci_check_pending_name(hdev, conn, &cp->bdaddr, NULL, 0); |
| 1712 | |
Johan Hedberg | 79c6c70 | 2011-04-28 11:28:55 -0700 | [diff] [blame] | 1713 | if (!conn) |
| 1714 | goto unlock; |
| 1715 | |
| 1716 | if (!hci_outgoing_auth_needed(hdev, conn)) |
| 1717 | goto unlock; |
| 1718 | |
Johan Hedberg | 51a8efd | 2012-01-16 06:10:31 +0200 | [diff] [blame] | 1719 | if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) { |
Johannes Berg | c1f23a2 | 2013-10-07 18:19:16 +0200 | [diff] [blame] | 1720 | struct hci_cp_auth_requested auth_cp; |
| 1721 | |
Johan Hedberg | 977f8fc | 2014-07-17 15:35:39 +0300 | [diff] [blame] | 1722 | set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags); |
| 1723 | |
Johannes Berg | c1f23a2 | 2013-10-07 18:19:16 +0200 | [diff] [blame] | 1724 | auth_cp.handle = __cpu_to_le16(conn->handle); |
| 1725 | hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, |
| 1726 | sizeof(auth_cp), &auth_cp); |
Johan Hedberg | 127178d | 2010-11-18 22:22:29 +0200 | [diff] [blame] | 1727 | } |
| 1728 | |
Johan Hedberg | 79c6c70 | 2011-04-28 11:28:55 -0700 | [diff] [blame] | 1729 | unlock: |
Johan Hedberg | 127178d | 2010-11-18 22:22:29 +0200 | [diff] [blame] | 1730 | hci_dev_unlock(hdev); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 1731 | } |
| 1732 | |
Marcel Holtmann | 769be97 | 2008-07-14 20:13:49 +0200 | [diff] [blame] | 1733 | static 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 Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 1738 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
Marcel Holtmann | 769be97 | 2008-07-14 20:13:49 +0200 | [diff] [blame] | 1739 | |
| 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 Hedberg | 539c496 | 2015-02-18 14:53:57 +0200 | [diff] [blame] | 1752 | hci_connect_cfm(conn, status); |
David Herrmann | 76a68ba | 2013-04-06 20:28:37 +0200 | [diff] [blame] | 1753 | hci_conn_drop(conn); |
Marcel Holtmann | 769be97 | 2008-07-14 20:13:49 +0200 | [diff] [blame] | 1754 | } |
| 1755 | } |
| 1756 | |
| 1757 | hci_dev_unlock(hdev); |
| 1758 | } |
| 1759 | |
| 1760 | static 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 Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 1765 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
Marcel Holtmann | 769be97 | 2008-07-14 20:13:49 +0200 | [diff] [blame] | 1766 | |
| 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 Hedberg | 539c496 | 2015-02-18 14:53:57 +0200 | [diff] [blame] | 1779 | hci_connect_cfm(conn, status); |
David Herrmann | 76a68ba | 2013-04-06 20:28:37 +0200 | [diff] [blame] | 1780 | hci_conn_drop(conn); |
Marcel Holtmann | 769be97 | 2008-07-14 20:13:49 +0200 | [diff] [blame] | 1781 | } |
| 1782 | } |
| 1783 | |
| 1784 | hci_dev_unlock(hdev); |
| 1785 | } |
| 1786 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 1787 | static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status) |
| 1788 | { |
Marcel Holtmann | b6a0dc8 | 2007-10-20 14:55:10 +0200 | [diff] [blame] | 1789 | struct hci_cp_setup_sync_conn *cp; |
| 1790 | struct hci_conn *acl, *sco; |
| 1791 | __u16 handle; |
| 1792 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 1793 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
Marcel Holtmann | b6a0dc8 | 2007-10-20 14:55:10 +0200 | [diff] [blame] | 1794 | |
| 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 Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 1804 | BT_DBG("%s handle 0x%4.4x", hdev->name, handle); |
Marcel Holtmann | b6a0dc8 | 2007-10-20 14:55:10 +0200 | [diff] [blame] | 1805 | |
| 1806 | hci_dev_lock(hdev); |
| 1807 | |
| 1808 | acl = hci_conn_hash_lookup_handle(hdev, handle); |
Andrei Emeltchenko | 5a08ecc | 2011-01-11 17:20:20 +0200 | [diff] [blame] | 1809 | if (acl) { |
| 1810 | sco = acl->link; |
| 1811 | if (sco) { |
| 1812 | sco->state = BT_CLOSED; |
Marcel Holtmann | b6a0dc8 | 2007-10-20 14:55:10 +0200 | [diff] [blame] | 1813 | |
Johan Hedberg | 539c496 | 2015-02-18 14:53:57 +0200 | [diff] [blame] | 1814 | hci_connect_cfm(sco, status); |
Andrei Emeltchenko | 5a08ecc | 2011-01-11 17:20:20 +0200 | [diff] [blame] | 1815 | hci_conn_del(sco); |
| 1816 | } |
Marcel Holtmann | b6a0dc8 | 2007-10-20 14:55:10 +0200 | [diff] [blame] | 1817 | } |
| 1818 | |
| 1819 | hci_dev_unlock(hdev); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 1820 | } |
| 1821 | |
| 1822 | static 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 Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 1827 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 1828 | |
| 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 Holtmann | e73439d | 2010-07-26 10:06:00 -0400 | [diff] [blame] | 1839 | if (conn) { |
Johan Hedberg | 51a8efd | 2012-01-16 06:10:31 +0200 | [diff] [blame] | 1840 | clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 1841 | |
Johan Hedberg | 51a8efd | 2012-01-16 06:10:31 +0200 | [diff] [blame] | 1842 | if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags)) |
Marcel Holtmann | e73439d | 2010-07-26 10:06:00 -0400 | [diff] [blame] | 1843 | hci_sco_setup(conn, status); |
| 1844 | } |
| 1845 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 1846 | hci_dev_unlock(hdev); |
| 1847 | } |
| 1848 | |
| 1849 | static 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 Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 1854 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 1855 | |
| 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 Holtmann | e73439d | 2010-07-26 10:06:00 -0400 | [diff] [blame] | 1866 | if (conn) { |
Johan Hedberg | 51a8efd | 2012-01-16 06:10:31 +0200 | [diff] [blame] | 1867 | clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 1868 | |
Johan Hedberg | 51a8efd | 2012-01-16 06:10:31 +0200 | [diff] [blame] | 1869 | if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags)) |
Marcel Holtmann | e73439d | 2010-07-26 10:06:00 -0400 | [diff] [blame] | 1870 | hci_sco_setup(conn, status); |
| 1871 | } |
| 1872 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 1873 | hci_dev_unlock(hdev); |
| 1874 | } |
| 1875 | |
Johan Hedberg | 88c3df1 | 2012-02-09 14:27:38 +0200 | [diff] [blame] | 1876 | static 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. Padovan | 0412468 | 2012-03-08 01:25:00 -0300 | [diff] [blame] | 1893 | conn->dst_type, status); |
Johan Hedberg | 88c3df1 | 2012-02-09 14:27:38 +0200 | [diff] [blame] | 1894 | |
| 1895 | hci_dev_unlock(hdev); |
| 1896 | } |
| 1897 | |
Johan Hedberg | cb1d68f | 2014-02-28 12:54:16 +0200 | [diff] [blame] | 1898 | static 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 Hedberg | 9d4c1cc | 2015-10-21 18:03:01 +0300 | [diff] [blame] | 1918 | conn = hci_conn_hash_lookup_le(hdev, &cp->peer_addr, |
| 1919 | cp->peer_addr_type); |
Johan Hedberg | cb1d68f | 2014-02-28 12:54:16 +0200 | [diff] [blame] | 1920 | 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 Hedberg | 9489eca | 2014-02-28 17:45:46 +0200 | [diff] [blame] | 1936 | /* 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 Hedberg | 09ae260 | 2014-07-06 13:41:15 +0300 | [diff] [blame] | 1944 | conn->conn_timeout); |
Johan Hedberg | 9489eca | 2014-02-28 17:45:46 +0200 | [diff] [blame] | 1945 | |
Johan Hedberg | cb1d68f | 2014-02-28 12:54:16 +0200 | [diff] [blame] | 1946 | unlock: |
| 1947 | hci_dev_unlock(hdev); |
| 1948 | } |
| 1949 | |
Marcel Holtmann | 0fe29fd | 2015-04-08 09:05:27 -0700 | [diff] [blame] | 1950 | static 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 Hedberg | 81d0c8a | 2014-03-24 14:39:04 +0200 | [diff] [blame] | 1977 | static 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 | |
| 2003 | unlock: |
| 2004 | hci_dev_unlock(hdev); |
| 2005 | } |
| 2006 | |
Kuba Pawlak | 50fc85f | 2014-11-06 19:36:52 +0100 | [diff] [blame] | 2007 | static 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 Padovan | 6039aa73 | 2012-05-23 04:04:18 -0300 | [diff] [blame] | 2030 | static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2031 | { |
| 2032 | __u8 status = *((__u8 *) skb->data); |
Johan Hedberg | 30dc78e | 2012-01-04 15:44:20 +0200 | [diff] [blame] | 2033 | struct discovery_state *discov = &hdev->discovery; |
| 2034 | struct inquiry_entry *e; |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2035 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 2036 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2037 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2038 | hci_conn_check_pending(hdev); |
Andre Guedes | 89352e7 | 2011-11-04 14:16:53 -0300 | [diff] [blame] | 2039 | |
| 2040 | if (!test_and_clear_bit(HCI_INQUIRY, &hdev->flags)) |
| 2041 | return; |
| 2042 | |
Peter Zijlstra | 4e857c5 | 2014-03-17 18:06:10 +0100 | [diff] [blame] | 2043 | smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */ |
Andre Guedes | 3e13fa1 | 2013-03-27 20:04:56 -0300 | [diff] [blame] | 2044 | wake_up_bit(&hdev->flags, HCI_INQUIRY); |
| 2045 | |
Marcel Holtmann | d7a5a11 | 2015-03-13 02:11:00 -0700 | [diff] [blame] | 2046 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
Johan Hedberg | 30dc78e | 2012-01-04 15:44:20 +0200 | [diff] [blame] | 2047 | return; |
| 2048 | |
Johan Hedberg | 56e5cb8 | 2011-11-08 20:40:16 +0200 | [diff] [blame] | 2049 | hci_dev_lock(hdev); |
Johan Hedberg | 30dc78e | 2012-01-04 15:44:20 +0200 | [diff] [blame] | 2050 | |
Andre Guedes | 343f935 | 2012-02-17 20:39:37 -0300 | [diff] [blame] | 2051 | if (discov->state != DISCOVERY_FINDING) |
Johan Hedberg | 30dc78e | 2012-01-04 15:44:20 +0200 | [diff] [blame] | 2052 | goto unlock; |
| 2053 | |
| 2054 | if (list_empty(&discov->resolve)) { |
Jakub Pawlowski | 07d2334 | 2015-03-17 09:04:14 -0700 | [diff] [blame] | 2055 | /* 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 Hedberg | 30dc78e | 2012-01-04 15:44:20 +0200 | [diff] [blame] | 2065 | 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 Pawlowski | 07d2334 | 2015-03-17 09:04:14 -0700 | [diff] [blame] | 2073 | /* 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 Hedberg | 30dc78e | 2012-01-04 15:44:20 +0200 | [diff] [blame] | 2083 | } |
| 2084 | |
| 2085 | unlock: |
Johan Hedberg | 56e5cb8 | 2011-11-08 20:40:16 +0200 | [diff] [blame] | 2086 | hci_dev_unlock(hdev); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2087 | } |
| 2088 | |
Gustavo Padovan | 6039aa73 | 2012-05-23 04:04:18 -0300 | [diff] [blame] | 2089 | static void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2090 | { |
Marcel Holtmann | 45bb4bf | 2005-08-09 20:27:49 -0700 | [diff] [blame] | 2091 | struct inquiry_data data; |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2092 | struct inquiry_info *info = (void *) (skb->data + 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2093 | int num_rsp = *((__u8 *) skb->data); |
| 2094 | |
| 2095 | BT_DBG("%s num_rsp %d", hdev->name, num_rsp); |
| 2096 | |
Marcel Holtmann | 45bb4bf | 2005-08-09 20:27:49 -0700 | [diff] [blame] | 2097 | if (!num_rsp) |
| 2098 | return; |
| 2099 | |
Marcel Holtmann | d7a5a11 | 2015-03-13 02:11:00 -0700 | [diff] [blame] | 2100 | if (hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) |
Andre Guedes | 1519cc1 | 2012-03-21 00:03:38 -0300 | [diff] [blame] | 2101 | return; |
| 2102 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2103 | hci_dev_lock(hdev); |
Marcel Holtmann | 45bb4bf | 2005-08-09 20:27:49 -0700 | [diff] [blame] | 2104 | |
Johan Hedberg | e17acd4 | 2011-03-30 23:57:16 +0300 | [diff] [blame] | 2105 | for (; num_rsp; num_rsp--, info++) { |
Marcel Holtmann | af58925 | 2014-07-01 14:11:20 +0200 | [diff] [blame] | 2106 | u32 flags; |
Johan Hedberg | 3175405 | 2012-01-04 13:39:52 +0200 | [diff] [blame] | 2107 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2108 | 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 Holtmann | efb2513 | 2014-12-05 13:03:34 +0100 | [diff] [blame] | 2114 | data.rssi = HCI_RSSI_INVALID; |
Marcel Holtmann | 41a9621 | 2008-07-14 20:13:48 +0200 | [diff] [blame] | 2115 | data.ssp_mode = 0x00; |
Johan Hedberg | 3175405 | 2012-01-04 13:39:52 +0200 | [diff] [blame] | 2116 | |
Marcel Holtmann | af58925 | 2014-07-01 14:11:20 +0200 | [diff] [blame] | 2117 | flags = hci_inquiry_cache_update(hdev, &data, false); |
| 2118 | |
Johan Hedberg | 48264f0 | 2011-11-09 13:58:58 +0200 | [diff] [blame] | 2119 | mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00, |
Marcel Holtmann | efb2513 | 2014-12-05 13:03:34 +0100 | [diff] [blame] | 2120 | info->dev_class, HCI_RSSI_INVALID, |
| 2121 | flags, NULL, 0, NULL, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2122 | } |
Marcel Holtmann | 45bb4bf | 2005-08-09 20:27:49 -0700 | [diff] [blame] | 2123 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2124 | hci_dev_unlock(hdev); |
| 2125 | } |
| 2126 | |
Gustavo Padovan | 6039aa73 | 2012-05-23 04:04:18 -0300 | [diff] [blame] | 2127 | static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2128 | { |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2129 | struct hci_ev_conn_complete *ev = (void *) skb->data; |
| 2130 | struct hci_conn *conn; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2131 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2132 | BT_DBG("%s", hdev->name); |
Marcel Holtmann | 45bb4bf | 2005-08-09 20:27:49 -0700 | [diff] [blame] | 2133 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2134 | hci_dev_lock(hdev); |
Marcel Holtmann | 45bb4bf | 2005-08-09 20:27:49 -0700 | [diff] [blame] | 2135 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2136 | conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr); |
Marcel Holtmann | 9499237 | 2009-04-19 19:30:03 +0200 | [diff] [blame] | 2137 | 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 Holtmann | 45bb4bf | 2005-08-09 20:27:49 -0700 | [diff] [blame] | 2147 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2148 | if (!ev->status) { |
| 2149 | conn->handle = __le16_to_cpu(ev->handle); |
Marcel Holtmann | 769be97 | 2008-07-14 20:13:49 +0200 | [diff] [blame] | 2150 | |
| 2151 | if (conn->type == ACL_LINK) { |
| 2152 | conn->state = BT_CONFIG; |
| 2153 | hci_conn_hold(conn); |
Szymon Janc | a9ea3ed | 2012-07-19 14:46:08 +0200 | [diff] [blame] | 2154 | |
| 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 Holtmann | 769be97 | 2008-07-14 20:13:49 +0200 | [diff] [blame] | 2160 | } else |
| 2161 | conn->state = BT_CONNECTED; |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2162 | |
Marcel Holtmann | 23b9ceb | 2014-12-20 17:13:41 +0100 | [diff] [blame] | 2163 | hci_debugfs_create_conn(conn); |
Marcel Holtmann | 7d0db0a | 2008-07-14 20:13:51 +0200 | [diff] [blame] | 2164 | hci_conn_add_sysfs(conn); |
| 2165 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2166 | if (test_bit(HCI_AUTH, &hdev->flags)) |
Johan Hedberg | 4dae279 | 2014-06-24 17:03:50 +0300 | [diff] [blame] | 2167 | set_bit(HCI_CONN_AUTH, &conn->flags); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2168 | |
| 2169 | if (test_bit(HCI_ENCRYPT, &hdev->flags)) |
Johan Hedberg | 4dae279 | 2014-06-24 17:03:50 +0300 | [diff] [blame] | 2170 | set_bit(HCI_CONN_ENCRYPT, &conn->flags); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2171 | |
| 2172 | /* Get remote features */ |
| 2173 | if (conn->type == ACL_LINK) { |
| 2174 | struct hci_cp_read_remote_features cp; |
| 2175 | cp.handle = ev->handle; |
Marcel Holtmann | 769be97 | 2008-07-14 20:13:49 +0200 | [diff] [blame] | 2176 | hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES, |
Gustavo F. Padovan | 0412468 | 2012-03-08 01:25:00 -0300 | [diff] [blame] | 2177 | sizeof(cp), &cp); |
Johan Hedberg | 22f433d | 2014-08-01 11:13:32 +0300 | [diff] [blame] | 2178 | |
Johan Hedberg | 01b1cb8 | 2015-11-16 12:52:21 +0200 | [diff] [blame] | 2179 | hci_req_update_scan(hdev); |
Marcel Holtmann | 45bb4bf | 2005-08-09 20:27:49 -0700 | [diff] [blame] | 2180 | } |
Marcel Holtmann | 45bb4bf | 2005-08-09 20:27:49 -0700 | [diff] [blame] | 2181 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2182 | /* Set packet type for incoming connection */ |
Andrei Emeltchenko | d095c1e | 2011-12-01 14:33:27 +0200 | [diff] [blame] | 2183 | if (!conn->out && hdev->hci_ver < BLUETOOTH_VER_2_0) { |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2184 | struct hci_cp_change_conn_ptype cp; |
| 2185 | cp.handle = ev->handle; |
Marcel Holtmann | a874641 | 2008-07-14 20:13:46 +0200 | [diff] [blame] | 2186 | cp.pkt_type = cpu_to_le16(conn->pkt_type); |
Gustavo F. Padovan | 0412468 | 2012-03-08 01:25:00 -0300 | [diff] [blame] | 2187 | hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp), |
| 2188 | &cp); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2189 | } |
Johan Hedberg | 17d5c04 | 2011-01-22 06:09:08 +0200 | [diff] [blame] | 2190 | } else { |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2191 | conn->state = BT_CLOSED; |
Johan Hedberg | 17d5c04 | 2011-01-22 06:09:08 +0200 | [diff] [blame] | 2192 | if (conn->type == ACL_LINK) |
Marcel Holtmann | 64c7b77 | 2014-02-18 14:22:20 -0800 | [diff] [blame] | 2193 | mgmt_connect_failed(hdev, &conn->dst, conn->type, |
Gustavo F. Padovan | 0412468 | 2012-03-08 01:25:00 -0300 | [diff] [blame] | 2194 | conn->dst_type, ev->status); |
Johan Hedberg | 17d5c04 | 2011-01-22 06:09:08 +0200 | [diff] [blame] | 2195 | } |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2196 | |
Marcel Holtmann | e73439d | 2010-07-26 10:06:00 -0400 | [diff] [blame] | 2197 | if (conn->type == ACL_LINK) |
| 2198 | hci_sco_setup(conn, ev->status); |
Marcel Holtmann | 45bb4bf | 2005-08-09 20:27:49 -0700 | [diff] [blame] | 2199 | |
Marcel Holtmann | 769be97 | 2008-07-14 20:13:49 +0200 | [diff] [blame] | 2200 | if (ev->status) { |
Johan Hedberg | 539c496 | 2015-02-18 14:53:57 +0200 | [diff] [blame] | 2201 | hci_connect_cfm(conn, ev->status); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2202 | hci_conn_del(conn); |
Marcel Holtmann | c89b6e6 | 2009-01-15 21:57:03 +0100 | [diff] [blame] | 2203 | } else if (ev->link_type != ACL_LINK) |
Johan Hedberg | 539c496 | 2015-02-18 14:53:57 +0200 | [diff] [blame] | 2204 | hci_connect_cfm(conn, ev->status); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2205 | |
| 2206 | unlock: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2207 | hci_dev_unlock(hdev); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2208 | |
| 2209 | hci_conn_check_pending(hdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2210 | } |
| 2211 | |
Johan Hedberg | 70c4642 | 2014-07-09 12:59:17 +0300 | [diff] [blame] | 2212 | static 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 Padovan | 6039aa73 | 2012-05-23 04:04:18 -0300 | [diff] [blame] | 2221 | static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2222 | { |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2223 | struct hci_ev_conn_request *ev = (void *) skb->data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2224 | int mask = hdev->link_mode; |
Johan Hedberg | 70c4642 | 2014-07-09 12:59:17 +0300 | [diff] [blame] | 2225 | struct inquiry_entry *ie; |
| 2226 | struct hci_conn *conn; |
Frédéric Dalleau | 20714bf | 2012-11-21 10:51:12 +0100 | [diff] [blame] | 2227 | __u8 flags = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2228 | |
Andrei Emeltchenko | 6ed93dc | 2012-09-25 12:49:43 +0300 | [diff] [blame] | 2229 | BT_DBG("%s bdaddr %pMR type 0x%x", hdev->name, &ev->bdaddr, |
Gustavo Padovan | 807deac | 2012-05-17 00:36:24 -0300 | [diff] [blame] | 2230 | ev->link_type); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2231 | |
Frédéric Dalleau | 20714bf | 2012-11-21 10:51:12 +0100 | [diff] [blame] | 2232 | mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type, |
| 2233 | &flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2234 | |
Johan Hedberg | 70c4642 | 2014-07-09 12:59:17 +0300 | [diff] [blame] | 2235 | if (!(mask & HCI_LM_ACCEPT)) { |
| 2236 | hci_reject_conn(hdev, &ev->bdaddr); |
| 2237 | return; |
| 2238 | } |
| 2239 | |
Johan Hedberg | 46c4c94 | 2014-07-16 16:19:21 +0300 | [diff] [blame] | 2240 | if (hci_bdaddr_list_lookup(&hdev->blacklist, &ev->bdaddr, |
| 2241 | BDADDR_BREDR)) { |
| 2242 | hci_reject_conn(hdev, &ev->bdaddr); |
| 2243 | return; |
| 2244 | } |
| 2245 | |
Johan Hedberg | 6a8fc95 | 2014-12-24 20:43:11 +0200 | [diff] [blame] | 2246 | /* 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 Holtmann | d7a5a11 | 2015-03-13 02:11:00 -0700 | [diff] [blame] | 2250 | if (hci_dev_test_flag(hdev, HCI_MGMT) && |
| 2251 | !hci_dev_test_flag(hdev, HCI_CONNECTABLE) && |
Johan Hedberg | 46c4c94 | 2014-07-16 16:19:21 +0300 | [diff] [blame] | 2252 | !hci_bdaddr_list_lookup(&hdev->whitelist, &ev->bdaddr, |
| 2253 | BDADDR_BREDR)) { |
| 2254 | hci_reject_conn(hdev, &ev->bdaddr); |
| 2255 | return; |
Johan Hedberg | 70c4642 | 2014-07-09 12:59:17 +0300 | [diff] [blame] | 2256 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2257 | |
Johan Hedberg | 70c4642 | 2014-07-09 12:59:17 +0300 | [diff] [blame] | 2258 | /* Connection accepted */ |
Marcel Holtmann | b6a0dc8 | 2007-10-20 14:55:10 +0200 | [diff] [blame] | 2259 | |
Johan Hedberg | 70c4642 | 2014-07-09 12:59:17 +0300 | [diff] [blame] | 2260 | hci_dev_lock(hdev); |
Marcel Holtmann | c7bdd50 | 2008-07-14 20:13:47 +0200 | [diff] [blame] | 2261 | |
Johan Hedberg | 70c4642 | 2014-07-09 12:59:17 +0300 | [diff] [blame] | 2262 | 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 Hedberg | a5c4e30 | 2014-07-16 11:56:07 +0300 | [diff] [blame] | 2269 | conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr, |
| 2270 | HCI_ROLE_SLAVE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2271 | if (!conn) { |
Johan Hedberg | 70c4642 | 2014-07-09 12:59:17 +0300 | [diff] [blame] | 2272 | BT_ERR("No memory for new connection"); |
| 2273 | hci_dev_unlock(hdev); |
| 2274 | return; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2275 | } |
Johan Hedberg | 70c4642 | 2014-07-09 12:59:17 +0300 | [diff] [blame] | 2276 | } |
Marcel Holtmann | b6a0dc8 | 2007-10-20 14:55:10 +0200 | [diff] [blame] | 2277 | |
Johan Hedberg | 70c4642 | 2014-07-09 12:59:17 +0300 | [diff] [blame] | 2278 | memcpy(conn->dev_class, ev->dev_class, 3); |
Marcel Holtmann | b6a0dc8 | 2007-10-20 14:55:10 +0200 | [diff] [blame] | 2279 | |
Johan Hedberg | 70c4642 | 2014-07-09 12:59:17 +0300 | [diff] [blame] | 2280 | hci_dev_unlock(hdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2281 | |
Johan Hedberg | 70c4642 | 2014-07-09 12:59:17 +0300 | [diff] [blame] | 2282 | 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 Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2286 | |
| 2287 | bacpy(&cp.bdaddr, &ev->bdaddr); |
Johan Hedberg | 70c4642 | 2014-07-09 12:59:17 +0300 | [diff] [blame] | 2288 | |
| 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 Hedberg | 539c496 | 2015-02-18 14:53:57 +0200 | [diff] [blame] | 2312 | hci_connect_cfm(conn, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2313 | } |
| 2314 | } |
| 2315 | |
Mikel Astiz | f0d6a0e | 2012-08-09 09:52:30 +0200 | [diff] [blame] | 2316 | static 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 Padovan | 6039aa73 | 2012-05-23 04:04:18 -0300 | [diff] [blame] | 2332 | static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2333 | { |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2334 | struct hci_ev_disconn_complete *ev = (void *) skb->data; |
Szymon Janc | 160b925 | 2016-07-12 02:12:16 +0200 | [diff] [blame] | 2335 | u8 reason; |
Andre Guedes | 9fcb18e | 2014-02-26 20:21:48 -0300 | [diff] [blame] | 2336 | struct hci_conn_params *params; |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 2337 | struct hci_conn *conn; |
Johan Hedberg | 12d4a3b | 2014-02-24 14:52:18 +0200 | [diff] [blame] | 2338 | bool mgmt_connected; |
Andre Guedes | 3846220 | 2013-11-07 17:36:10 -0300 | [diff] [blame] | 2339 | u8 type; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2340 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 2341 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2342 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2343 | hci_dev_lock(hdev); |
| 2344 | |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 2345 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
Johan Hedberg | f752054 | 2011-01-20 12:34:39 +0200 | [diff] [blame] | 2346 | if (!conn) |
| 2347 | goto unlock; |
Marcel Holtmann | 7d0db0a | 2008-07-14 20:13:51 +0200 | [diff] [blame] | 2348 | |
Andre Guedes | abf54a5 | 2013-11-07 17:36:09 -0300 | [diff] [blame] | 2349 | if (ev->status) { |
| 2350 | mgmt_disconnect_failed(hdev, &conn->dst, conn->type, |
| 2351 | conn->dst_type, ev->status); |
| 2352 | goto unlock; |
Johan Hedberg | 37d9ef7 | 2011-11-10 15:54:39 +0200 | [diff] [blame] | 2353 | } |
Johan Hedberg | f752054 | 2011-01-20 12:34:39 +0200 | [diff] [blame] | 2354 | |
Andre Guedes | 3846220 | 2013-11-07 17:36:10 -0300 | [diff] [blame] | 2355 | conn->state = BT_CLOSED; |
| 2356 | |
Johan Hedberg | 12d4a3b | 2014-02-24 14:52:18 +0200 | [diff] [blame] | 2357 | mgmt_connected = test_and_clear_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags); |
Szymon Janc | 160b925 | 2016-07-12 02:12:16 +0200 | [diff] [blame] | 2358 | |
| 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 Hedberg | 12d4a3b | 2014-02-24 14:52:18 +0200 | [diff] [blame] | 2364 | mgmt_device_disconnected(hdev, &conn->dst, conn->type, conn->dst_type, |
| 2365 | reason, mgmt_connected); |
Andre Guedes | abf54a5 | 2013-11-07 17:36:09 -0300 | [diff] [blame] | 2366 | |
Johan Hedberg | 22f433d | 2014-08-01 11:13:32 +0300 | [diff] [blame] | 2367 | 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 Hedberg | 01b1cb8 | 2015-11-16 12:52:21 +0200 | [diff] [blame] | 2371 | hci_req_update_scan(hdev); |
Johan Hedberg | 22f433d | 2014-08-01 11:13:32 +0300 | [diff] [blame] | 2372 | } |
Johan Hedberg | 2210246 | 2013-10-05 12:01:06 +0200 | [diff] [blame] | 2373 | |
Andre Guedes | 9fcb18e | 2014-02-26 20:21:48 -0300 | [diff] [blame] | 2374 | 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 Holtmann | 4b9e7e7 | 2014-07-23 21:55:23 +0200 | [diff] [blame] | 2382 | case HCI_AUTO_CONN_DIRECT: |
Andre Guedes | 9fcb18e | 2014-02-26 20:21:48 -0300 | [diff] [blame] | 2383 | case HCI_AUTO_CONN_ALWAYS: |
Johan Hedberg | 418025d | 2014-07-04 12:37:24 +0300 | [diff] [blame] | 2384 | list_del_init(¶ms->action); |
| 2385 | list_add(¶ms->action, &hdev->pend_le_conns); |
| 2386 | hci_update_background_scan(hdev); |
Andre Guedes | 9fcb18e | 2014-02-26 20:21:48 -0300 | [diff] [blame] | 2387 | break; |
| 2388 | |
| 2389 | default: |
| 2390 | break; |
| 2391 | } |
| 2392 | } |
| 2393 | |
Andre Guedes | 3846220 | 2013-11-07 17:36:10 -0300 | [diff] [blame] | 2394 | type = conn->type; |
Johan Hedberg | 2210246 | 2013-10-05 12:01:06 +0200 | [diff] [blame] | 2395 | |
Johan Hedberg | 3a6d576 | 2015-02-18 14:53:58 +0200 | [diff] [blame] | 2396 | hci_disconn_cfm(conn, ev->reason); |
Andre Guedes | 3846220 | 2013-11-07 17:36:10 -0300 | [diff] [blame] | 2397 | 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 Hedberg | f225257 | 2015-11-18 12:49:20 +0200 | [diff] [blame] | 2410 | hci_req_reenable_advertising(hdev); |
Johan Hedberg | f752054 | 2011-01-20 12:34:39 +0200 | [diff] [blame] | 2411 | |
| 2412 | unlock: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2413 | hci_dev_unlock(hdev); |
| 2414 | } |
| 2415 | |
Gustavo Padovan | 6039aa73 | 2012-05-23 04:04:18 -0300 | [diff] [blame] | 2416 | static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2417 | { |
| 2418 | struct hci_ev_auth_complete *ev = (void *) skb->data; |
| 2419 | struct hci_conn *conn; |
| 2420 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 2421 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2422 | |
| 2423 | hci_dev_lock(hdev); |
| 2424 | |
| 2425 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
Waldemar Rymarkiewicz | d7556e2 | 2011-05-31 15:49:26 +0200 | [diff] [blame] | 2426 | if (!conn) |
| 2427 | goto unlock; |
| 2428 | |
| 2429 | if (!ev->status) { |
Szymon Janc | 160b925 | 2016-07-12 02:12:16 +0200 | [diff] [blame] | 2430 | clear_bit(HCI_CONN_AUTH_FAILURE, &conn->flags); |
| 2431 | |
Johan Hedberg | aa64a8b | 2012-01-18 21:33:12 +0200 | [diff] [blame] | 2432 | if (!hci_conn_ssp_enabled(conn) && |
Gustavo Padovan | 807deac | 2012-05-17 00:36:24 -0300 | [diff] [blame] | 2433 | test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) { |
Waldemar Rymarkiewicz | d7556e2 | 2011-05-31 15:49:26 +0200 | [diff] [blame] | 2434 | BT_INFO("re-auth of legacy device is not possible."); |
Johan Hedberg | 2a61169 | 2011-02-19 12:06:00 -0300 | [diff] [blame] | 2435 | } else { |
Johan Hedberg | 4dae279 | 2014-06-24 17:03:50 +0300 | [diff] [blame] | 2436 | set_bit(HCI_CONN_AUTH, &conn->flags); |
Waldemar Rymarkiewicz | d7556e2 | 2011-05-31 15:49:26 +0200 | [diff] [blame] | 2437 | conn->sec_level = conn->pending_sec_level; |
Johan Hedberg | 2a61169 | 2011-02-19 12:06:00 -0300 | [diff] [blame] | 2438 | } |
Waldemar Rymarkiewicz | d7556e2 | 2011-05-31 15:49:26 +0200 | [diff] [blame] | 2439 | } else { |
Szymon Janc | 160b925 | 2016-07-12 02:12:16 +0200 | [diff] [blame] | 2440 | if (ev->status == HCI_ERROR_PIN_OR_KEY_MISSING) |
| 2441 | set_bit(HCI_CONN_AUTH_FAILURE, &conn->flags); |
| 2442 | |
Johan Hedberg | e1e930f | 2014-09-08 17:09:49 -0700 | [diff] [blame] | 2443 | mgmt_auth_failed(conn, ev->status); |
Waldemar Rymarkiewicz | d7556e2 | 2011-05-31 15:49:26 +0200 | [diff] [blame] | 2444 | } |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2445 | |
Johan Hedberg | 51a8efd | 2012-01-16 06:10:31 +0200 | [diff] [blame] | 2446 | clear_bit(HCI_CONN_AUTH_PEND, &conn->flags); |
| 2447 | clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2448 | |
Waldemar Rymarkiewicz | d7556e2 | 2011-05-31 15:49:26 +0200 | [diff] [blame] | 2449 | if (conn->state == BT_CONFIG) { |
Johan Hedberg | aa64a8b | 2012-01-18 21:33:12 +0200 | [diff] [blame] | 2450 | if (!ev->status && hci_conn_ssp_enabled(conn)) { |
Waldemar Rymarkiewicz | d7556e2 | 2011-05-31 15:49:26 +0200 | [diff] [blame] | 2451 | 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 Padovan | 807deac | 2012-05-17 00:36:24 -0300 | [diff] [blame] | 2455 | &cp); |
Marcel Holtmann | 052b30b | 2009-04-26 20:01:22 +0200 | [diff] [blame] | 2456 | } else { |
Waldemar Rymarkiewicz | d7556e2 | 2011-05-31 15:49:26 +0200 | [diff] [blame] | 2457 | conn->state = BT_CONNECTED; |
Johan Hedberg | 539c496 | 2015-02-18 14:53:57 +0200 | [diff] [blame] | 2458 | hci_connect_cfm(conn, ev->status); |
David Herrmann | 76a68ba | 2013-04-06 20:28:37 +0200 | [diff] [blame] | 2459 | hci_conn_drop(conn); |
Marcel Holtmann | 052b30b | 2009-04-26 20:01:22 +0200 | [diff] [blame] | 2460 | } |
Waldemar Rymarkiewicz | d7556e2 | 2011-05-31 15:49:26 +0200 | [diff] [blame] | 2461 | } else { |
| 2462 | hci_auth_cfm(conn, ev->status); |
Marcel Holtmann | 052b30b | 2009-04-26 20:01:22 +0200 | [diff] [blame] | 2463 | |
Waldemar Rymarkiewicz | d7556e2 | 2011-05-31 15:49:26 +0200 | [diff] [blame] | 2464 | hci_conn_hold(conn); |
| 2465 | conn->disc_timeout = HCI_DISCONN_TIMEOUT; |
David Herrmann | 76a68ba | 2013-04-06 20:28:37 +0200 | [diff] [blame] | 2466 | hci_conn_drop(conn); |
Waldemar Rymarkiewicz | d7556e2 | 2011-05-31 15:49:26 +0200 | [diff] [blame] | 2467 | } |
| 2468 | |
Johan Hedberg | 51a8efd | 2012-01-16 06:10:31 +0200 | [diff] [blame] | 2469 | if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) { |
Waldemar Rymarkiewicz | d7556e2 | 2011-05-31 15:49:26 +0200 | [diff] [blame] | 2470 | 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 Padovan | 807deac | 2012-05-17 00:36:24 -0300 | [diff] [blame] | 2475 | &cp); |
Waldemar Rymarkiewicz | d7556e2 | 2011-05-31 15:49:26 +0200 | [diff] [blame] | 2476 | } else { |
Johan Hedberg | 51a8efd | 2012-01-16 06:10:31 +0200 | [diff] [blame] | 2477 | clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags); |
Waldemar Rymarkiewicz | d7556e2 | 2011-05-31 15:49:26 +0200 | [diff] [blame] | 2478 | hci_encrypt_cfm(conn, ev->status, 0x00); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2479 | } |
| 2480 | } |
| 2481 | |
Waldemar Rymarkiewicz | d7556e2 | 2011-05-31 15:49:26 +0200 | [diff] [blame] | 2482 | unlock: |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2483 | hci_dev_unlock(hdev); |
| 2484 | } |
| 2485 | |
Gustavo Padovan | 6039aa73 | 2012-05-23 04:04:18 -0300 | [diff] [blame] | 2486 | static void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb) |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2487 | { |
Johan Hedberg | 127178d | 2010-11-18 22:22:29 +0200 | [diff] [blame] | 2488 | struct hci_ev_remote_name *ev = (void *) skb->data; |
| 2489 | struct hci_conn *conn; |
| 2490 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2491 | BT_DBG("%s", hdev->name); |
| 2492 | |
| 2493 | hci_conn_check_pending(hdev); |
Johan Hedberg | 127178d | 2010-11-18 22:22:29 +0200 | [diff] [blame] | 2494 | |
| 2495 | hci_dev_lock(hdev); |
| 2496 | |
| 2497 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); |
Johan Hedberg | b644ba3 | 2012-01-17 21:48:47 +0200 | [diff] [blame] | 2498 | |
Marcel Holtmann | d7a5a11 | 2015-03-13 02:11:00 -0700 | [diff] [blame] | 2499 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
Johan Hedberg | b644ba3 | 2012-01-17 21:48:47 +0200 | [diff] [blame] | 2500 | goto check_auth; |
| 2501 | |
| 2502 | if (ev->status == 0) |
| 2503 | hci_check_pending_name(hdev, conn, &ev->bdaddr, ev->name, |
Gustavo F. Padovan | 0412468 | 2012-03-08 01:25:00 -0300 | [diff] [blame] | 2504 | strnlen(ev->name, HCI_MAX_NAME_LENGTH)); |
Johan Hedberg | b644ba3 | 2012-01-17 21:48:47 +0200 | [diff] [blame] | 2505 | else |
| 2506 | hci_check_pending_name(hdev, conn, &ev->bdaddr, NULL, 0); |
| 2507 | |
| 2508 | check_auth: |
Johan Hedberg | 79c6c70 | 2011-04-28 11:28:55 -0700 | [diff] [blame] | 2509 | if (!conn) |
| 2510 | goto unlock; |
| 2511 | |
| 2512 | if (!hci_outgoing_auth_needed(hdev, conn)) |
| 2513 | goto unlock; |
| 2514 | |
Johan Hedberg | 51a8efd | 2012-01-16 06:10:31 +0200 | [diff] [blame] | 2515 | if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) { |
Johan Hedberg | 127178d | 2010-11-18 22:22:29 +0200 | [diff] [blame] | 2516 | struct hci_cp_auth_requested cp; |
Johan Hedberg | 977f8fc | 2014-07-17 15:35:39 +0300 | [diff] [blame] | 2517 | |
| 2518 | set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags); |
| 2519 | |
Johan Hedberg | 127178d | 2010-11-18 22:22:29 +0200 | [diff] [blame] | 2520 | cp.handle = __cpu_to_le16(conn->handle); |
| 2521 | hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp); |
| 2522 | } |
| 2523 | |
Johan Hedberg | 79c6c70 | 2011-04-28 11:28:55 -0700 | [diff] [blame] | 2524 | unlock: |
Johan Hedberg | 127178d | 2010-11-18 22:22:29 +0200 | [diff] [blame] | 2525 | hci_dev_unlock(hdev); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2526 | } |
| 2527 | |
Johan Hedberg | 821f376 | 2015-06-11 13:52:29 +0300 | [diff] [blame] | 2528 | static 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 Hedberg | 5d667ef | 2015-06-12 13:04:47 +0300 | [diff] [blame] | 2573 | else if (test_bit(HCI_CONN_AES_CCM, &conn->flags)) |
Johan Hedberg | 821f376 | 2015-06-11 13:52:29 +0300 | [diff] [blame] | 2574 | encrypt = 0x02; |
| 2575 | else |
| 2576 | encrypt = 0x01; |
| 2577 | |
| 2578 | hci_encrypt_cfm(conn, 0, encrypt); |
| 2579 | } |
| 2580 | |
| 2581 | unlock: |
| 2582 | hci_dev_unlock(hdev); |
| 2583 | } |
| 2584 | |
Gustavo Padovan | 6039aa73 | 2012-05-23 04:04:18 -0300 | [diff] [blame] | 2585 | static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb) |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2586 | { |
| 2587 | struct hci_ev_encrypt_change *ev = (void *) skb->data; |
| 2588 | struct hci_conn *conn; |
| 2589 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 2590 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2591 | |
| 2592 | hci_dev_lock(hdev); |
| 2593 | |
| 2594 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
Marcel Holtmann | dc8357c | 2014-01-31 16:24:27 -0800 | [diff] [blame] | 2595 | if (!conn) |
| 2596 | goto unlock; |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2597 | |
Marcel Holtmann | dc8357c | 2014-01-31 16:24:27 -0800 | [diff] [blame] | 2598 | if (!ev->status) { |
| 2599 | if (ev->encrypt) { |
| 2600 | /* Encryption implies authentication */ |
Johan Hedberg | 4dae279 | 2014-06-24 17:03:50 +0300 | [diff] [blame] | 2601 | set_bit(HCI_CONN_AUTH, &conn->flags); |
| 2602 | set_bit(HCI_CONN_ENCRYPT, &conn->flags); |
Marcel Holtmann | dc8357c | 2014-01-31 16:24:27 -0800 | [diff] [blame] | 2603 | conn->sec_level = conn->pending_sec_level; |
Marcel Holtmann | abf76ba | 2014-01-31 16:24:28 -0800 | [diff] [blame] | 2604 | |
Marcel Holtmann | 914a6ff | 2014-02-01 11:52:02 -0800 | [diff] [blame] | 2605 | /* P-256 authentication key implies FIPS */ |
| 2606 | if (conn->key_type == HCI_LK_AUTH_COMBINATION_P256) |
Johan Hedberg | 4dae279 | 2014-06-24 17:03:50 +0300 | [diff] [blame] | 2607 | set_bit(HCI_CONN_FIPS, &conn->flags); |
Marcel Holtmann | 914a6ff | 2014-02-01 11:52:02 -0800 | [diff] [blame] | 2608 | |
Marcel Holtmann | abf76ba | 2014-01-31 16:24:28 -0800 | [diff] [blame] | 2609 | 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 Hedberg | 4dae279 | 2014-06-24 17:03:50 +0300 | [diff] [blame] | 2613 | clear_bit(HCI_CONN_ENCRYPT, &conn->flags); |
Marcel Holtmann | abf76ba | 2014-01-31 16:24:28 -0800 | [diff] [blame] | 2614 | clear_bit(HCI_CONN_AES_CCM, &conn->flags); |
| 2615 | } |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2616 | } |
| 2617 | |
Johan Hedberg | 7ed3fa2 | 2014-09-10 22:16:35 -0700 | [diff] [blame] | 2618 | /* 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 Holtmann | a1536da | 2015-03-13 02:11:01 -0700 | [diff] [blame] | 2622 | hci_dev_set_flag(hdev, HCI_RPA_EXPIRED); |
Johan Hedberg | 7ed3fa2 | 2014-09-10 22:16:35 -0700 | [diff] [blame] | 2623 | |
Marcel Holtmann | dc8357c | 2014-01-31 16:24:27 -0800 | [diff] [blame] | 2624 | clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags); |
| 2625 | |
| 2626 | if (ev->status && conn->state == BT_CONNECTED) { |
Szymon Janc | 160b925 | 2016-07-12 02:12:16 +0200 | [diff] [blame] | 2627 | if (ev->status == HCI_ERROR_PIN_OR_KEY_MISSING) |
| 2628 | set_bit(HCI_CONN_AUTH_FAILURE, &conn->flags); |
| 2629 | |
Marcel Holtmann | dc8357c | 2014-01-31 16:24:27 -0800 | [diff] [blame] | 2630 | hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE); |
| 2631 | hci_conn_drop(conn); |
| 2632 | goto unlock; |
| 2633 | } |
| 2634 | |
Johan Hedberg | 035ad62 | 2015-06-11 13:52:28 +0300 | [diff] [blame] | 2635 | /* 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 Hedberg | 821f376 | 2015-06-11 13:52:29 +0300 | [diff] [blame] | 2647 | /* 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 | |
| 2675 | notify: |
Marcel Holtmann | dc8357c | 2014-01-31 16:24:27 -0800 | [diff] [blame] | 2676 | if (conn->state == BT_CONFIG) { |
| 2677 | if (!ev->status) |
| 2678 | conn->state = BT_CONNECTED; |
| 2679 | |
Johan Hedberg | 539c496 | 2015-02-18 14:53:57 +0200 | [diff] [blame] | 2680 | hci_connect_cfm(conn, ev->status); |
Marcel Holtmann | dc8357c | 2014-01-31 16:24:27 -0800 | [diff] [blame] | 2681 | hci_conn_drop(conn); |
| 2682 | } else |
| 2683 | hci_encrypt_cfm(conn, ev->status, ev->encrypt); |
| 2684 | |
Gustavo Padovan | a7d7723 | 2012-05-13 03:20:07 -0300 | [diff] [blame] | 2685 | unlock: |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2686 | hci_dev_unlock(hdev); |
| 2687 | } |
| 2688 | |
Gustavo Padovan | 6039aa73 | 2012-05-23 04:04:18 -0300 | [diff] [blame] | 2689 | static void hci_change_link_key_complete_evt(struct hci_dev *hdev, |
| 2690 | struct sk_buff *skb) |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2691 | { |
| 2692 | struct hci_ev_change_link_key_complete *ev = (void *) skb->data; |
| 2693 | struct hci_conn *conn; |
| 2694 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 2695 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2696 | |
| 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 Hedberg | 4dae279 | 2014-06-24 17:03:50 +0300 | [diff] [blame] | 2702 | set_bit(HCI_CONN_SECURE, &conn->flags); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2703 | |
Johan Hedberg | 51a8efd | 2012-01-16 06:10:31 +0200 | [diff] [blame] | 2704 | clear_bit(HCI_CONN_AUTH_PEND, &conn->flags); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2705 | |
| 2706 | hci_key_change_cfm(conn, ev->status); |
| 2707 | } |
| 2708 | |
| 2709 | hci_dev_unlock(hdev); |
| 2710 | } |
| 2711 | |
Gustavo Padovan | 6039aa73 | 2012-05-23 04:04:18 -0300 | [diff] [blame] | 2712 | static void hci_remote_features_evt(struct hci_dev *hdev, |
| 2713 | struct sk_buff *skb) |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2714 | { |
| 2715 | struct hci_ev_remote_features *ev = (void *) skb->data; |
| 2716 | struct hci_conn *conn; |
| 2717 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 2718 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2719 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2720 | hci_dev_lock(hdev); |
| 2721 | |
| 2722 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
Johan Hedberg | ccd556f | 2010-11-10 17:11:51 +0200 | [diff] [blame] | 2723 | if (!conn) |
| 2724 | goto unlock; |
Marcel Holtmann | 769be97 | 2008-07-14 20:13:49 +0200 | [diff] [blame] | 2725 | |
Johan Hedberg | ccd556f | 2010-11-10 17:11:51 +0200 | [diff] [blame] | 2726 | if (!ev->status) |
Johan Hedberg | cad718e | 2013-04-17 15:00:51 +0300 | [diff] [blame] | 2727 | memcpy(conn->features[0], ev->features, 8); |
Johan Hedberg | ccd556f | 2010-11-10 17:11:51 +0200 | [diff] [blame] | 2728 | |
| 2729 | if (conn->state != BT_CONFIG) |
| 2730 | goto unlock; |
| 2731 | |
Szymon Janc | ac363cf | 2015-01-29 16:36:59 +0100 | [diff] [blame] | 2732 | if (!ev->status && lmp_ext_feat_capable(hdev) && |
| 2733 | lmp_ext_feat_capable(conn)) { |
Johan Hedberg | ccd556f | 2010-11-10 17:11:51 +0200 | [diff] [blame] | 2734 | 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 Padovan | 807deac | 2012-05-17 00:36:24 -0300 | [diff] [blame] | 2738 | sizeof(cp), &cp); |
Johan Hedberg | 392599b | 2010-11-18 22:22:28 +0200 | [diff] [blame] | 2739 | goto unlock; |
| 2740 | } |
| 2741 | |
Johan Hedberg | 671267b | 2012-05-12 16:11:50 -0300 | [diff] [blame] | 2742 | if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) { |
Johan Hedberg | 127178d | 2010-11-18 22:22:29 +0200 | [diff] [blame] | 2743 | 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 Hedberg | b644ba3 | 2012-01-17 21:48:47 +0200 | [diff] [blame] | 2748 | } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) |
Alfonso Acosta | 48ec92f | 2014-10-07 08:44:10 +0000 | [diff] [blame] | 2749 | mgmt_device_connected(hdev, conn, 0, NULL, 0); |
Johan Hedberg | 392599b | 2010-11-18 22:22:28 +0200 | [diff] [blame] | 2750 | |
Johan Hedberg | 127178d | 2010-11-18 22:22:29 +0200 | [diff] [blame] | 2751 | if (!hci_outgoing_auth_needed(hdev, conn)) { |
Johan Hedberg | ccd556f | 2010-11-10 17:11:51 +0200 | [diff] [blame] | 2752 | conn->state = BT_CONNECTED; |
Johan Hedberg | 539c496 | 2015-02-18 14:53:57 +0200 | [diff] [blame] | 2753 | hci_connect_cfm(conn, ev->status); |
David Herrmann | 76a68ba | 2013-04-06 20:28:37 +0200 | [diff] [blame] | 2754 | hci_conn_drop(conn); |
Marcel Holtmann | 769be97 | 2008-07-14 20:13:49 +0200 | [diff] [blame] | 2755 | } |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2756 | |
Johan Hedberg | ccd556f | 2010-11-10 17:11:51 +0200 | [diff] [blame] | 2757 | unlock: |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2758 | hci_dev_unlock(hdev); |
| 2759 | } |
| 2760 | |
Johan Hedberg | e6214487 | 2015-04-02 13:41:08 +0300 | [diff] [blame] | 2761 | static 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 Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2765 | { |
| 2766 | struct hci_ev_cmd_complete *ev = (void *) skb->data; |
Johan Hedberg | e6214487 | 2015-04-02 13:41:08 +0300 | [diff] [blame] | 2767 | |
| 2768 | *opcode = __le16_to_cpu(ev->opcode); |
| 2769 | *status = skb->data[sizeof(*ev)]; |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2770 | |
| 2771 | skb_pull(skb, sizeof(*ev)); |
| 2772 | |
Johan Hedberg | e6214487 | 2015-04-02 13:41:08 +0300 | [diff] [blame] | 2773 | switch (*opcode) { |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2774 | case HCI_OP_INQUIRY_CANCEL: |
| 2775 | hci_cc_inquiry_cancel(hdev, skb); |
| 2776 | break; |
| 2777 | |
Andre Guedes | 4d93483 | 2012-03-21 00:03:35 -0300 | [diff] [blame] | 2778 | case HCI_OP_PERIODIC_INQ: |
| 2779 | hci_cc_periodic_inq(hdev, skb); |
| 2780 | break; |
| 2781 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2782 | 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 Holtmann | e4e8e37 | 2008-07-14 20:13:47 +0200 | [diff] [blame] | 2794 | case HCI_OP_READ_LINK_POLICY: |
| 2795 | hci_cc_read_link_policy(hdev, skb); |
| 2796 | break; |
| 2797 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2798 | case HCI_OP_WRITE_LINK_POLICY: |
| 2799 | hci_cc_write_link_policy(hdev, skb); |
| 2800 | break; |
| 2801 | |
Marcel Holtmann | e4e8e37 | 2008-07-14 20:13:47 +0200 | [diff] [blame] | 2802 | 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 Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2810 | case HCI_OP_RESET: |
| 2811 | hci_cc_reset(hdev, skb); |
| 2812 | break; |
| 2813 | |
Marcel Holtmann | c2f0f97 | 2015-01-12 09:21:25 -0800 | [diff] [blame] | 2814 | case HCI_OP_READ_STORED_LINK_KEY: |
| 2815 | hci_cc_read_stored_link_key(hdev, skb); |
| 2816 | break; |
| 2817 | |
Marcel Holtmann | a936612 | 2015-01-12 09:21:28 -0800 | [diff] [blame] | 2818 | case HCI_OP_DELETE_STORED_LINK_KEY: |
| 2819 | hci_cc_delete_stored_link_key(hdev, skb); |
| 2820 | break; |
| 2821 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2822 | 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 Holtmann | b4cb9fb | 2013-10-14 13:56:16 -0700 | [diff] [blame] | 2858 | case HCI_OP_READ_NUM_SUPPORTED_IAC: |
| 2859 | hci_cc_read_num_supported_iac(hdev, skb); |
| 2860 | break; |
| 2861 | |
Marcel Holtmann | 333140b | 2008-07-14 20:13:48 +0200 | [diff] [blame] | 2862 | case HCI_OP_WRITE_SSP_MODE: |
| 2863 | hci_cc_write_ssp_mode(hdev, skb); |
| 2864 | break; |
| 2865 | |
Marcel Holtmann | eac83dc | 2014-01-10 02:07:23 -0800 | [diff] [blame] | 2866 | case HCI_OP_WRITE_SC_SUPPORT: |
| 2867 | hci_cc_write_sc_support(hdev, skb); |
| 2868 | break; |
| 2869 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2870 | 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 Guedes | 971e3a4 | 2011-06-30 19:20:52 -0300 | [diff] [blame] | 2882 | case HCI_OP_READ_LOCAL_EXT_FEATURES: |
| 2883 | hci_cc_read_local_ext_features(hdev, skb); |
| 2884 | break; |
| 2885 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 2886 | 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 Hedberg | f332ec6 | 2013-03-15 17:07:11 -0500 | [diff] [blame] | 2894 | case HCI_OP_READ_PAGE_SCAN_ACTIVITY: |
| 2895 | hci_cc_read_page_scan_activity(hdev, skb); |
| 2896 | break; |
| 2897 | |
Johan Hedberg | 4a3ee76 | 2013-03-15 17:07:12 -0500 | [diff] [blame] | 2898 | case HCI_OP_WRITE_PAGE_SCAN_ACTIVITY: |
| 2899 | hci_cc_write_page_scan_activity(hdev, skb); |
| 2900 | break; |
| 2901 | |
Johan Hedberg | f332ec6 | 2013-03-15 17:07:11 -0500 | [diff] [blame] | 2902 | case HCI_OP_READ_PAGE_SCAN_TYPE: |
| 2903 | hci_cc_read_page_scan_type(hdev, skb); |
| 2904 | break; |
| 2905 | |
Johan Hedberg | 4a3ee76 | 2013-03-15 17:07:12 -0500 | [diff] [blame] | 2906 | case HCI_OP_WRITE_PAGE_SCAN_TYPE: |
| 2907 | hci_cc_write_page_scan_type(hdev, skb); |
| 2908 | break; |
| 2909 | |
Andrei Emeltchenko | 350ee4c | 2011-12-07 15:56:51 +0200 | [diff] [blame] | 2910 | case HCI_OP_READ_DATA_BLOCK_SIZE: |
| 2911 | hci_cc_read_data_block_size(hdev, skb); |
| 2912 | break; |
| 2913 | |
Andrei Emeltchenko | 1e89cff | 2011-11-24 14:52:02 +0200 | [diff] [blame] | 2914 | case HCI_OP_READ_FLOW_CONTROL_MODE: |
| 2915 | hci_cc_read_flow_control_mode(hdev, skb); |
| 2916 | break; |
| 2917 | |
Andrei Emeltchenko | 928abaa | 2011-10-12 10:53:57 +0300 | [diff] [blame] | 2918 | case HCI_OP_READ_LOCAL_AMP_INFO: |
| 2919 | hci_cc_read_local_amp_info(hdev, skb); |
| 2920 | break; |
| 2921 | |
Johan Hedberg | 33f3572 | 2014-06-28 17:54:06 +0300 | [diff] [blame] | 2922 | case HCI_OP_READ_CLOCK: |
| 2923 | hci_cc_read_clock(hdev, skb); |
| 2924 | break; |
| 2925 | |
Johan Hedberg | d5859e2 | 2011-01-25 01:19:58 +0200 | [diff] [blame] | 2926 | case HCI_OP_READ_INQ_RSP_TX_POWER: |
| 2927 | hci_cc_read_inq_rsp_tx_power(hdev, skb); |
| 2928 | break; |
| 2929 | |
Johan Hedberg | 980e1a5 | 2011-01-22 06:10:07 +0200 | [diff] [blame] | 2930 | 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 Janc | c35938b | 2011-03-22 13:12:21 +0100 | [diff] [blame] | 2938 | case HCI_OP_READ_LOCAL_OOB_DATA: |
Marcel Holtmann | 4d2d279 | 2014-01-10 02:07:26 -0800 | [diff] [blame] | 2939 | 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 Janc | c35938b | 2011-03-22 13:12:21 +0100 | [diff] [blame] | 2944 | break; |
| 2945 | |
Ville Tervo | 6ed58ec | 2011-02-10 22:38:48 -0300 | [diff] [blame] | 2946 | case HCI_OP_LE_READ_BUFFER_SIZE: |
| 2947 | hci_cc_le_read_buffer_size(hdev, skb); |
| 2948 | break; |
| 2949 | |
Johan Hedberg | 60e7732 | 2013-01-22 14:01:59 +0200 | [diff] [blame] | 2950 | case HCI_OP_LE_READ_LOCAL_FEATURES: |
| 2951 | hci_cc_le_read_local_features(hdev, skb); |
| 2952 | break; |
| 2953 | |
Johan Hedberg | 8fa1909 | 2012-10-19 20:57:49 +0300 | [diff] [blame] | 2954 | case HCI_OP_LE_READ_ADV_TX_POWER: |
| 2955 | hci_cc_le_read_adv_tx_power(hdev, skb); |
| 2956 | break; |
| 2957 | |
Johan Hedberg | a5c2968 | 2011-02-19 12:05:57 -0300 | [diff] [blame] | 2958 | 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 Gix | 1143d45 | 2011-11-23 08:28:34 -0800 | [diff] [blame] | 2966 | 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 Janc | 16cde99 | 2012-04-13 12:32:42 +0200 | [diff] [blame] | 2972 | break; |
Andre Guedes | 07f7fa5 | 2011-12-02 21:13:31 +0900 | [diff] [blame] | 2973 | |
Marcel Holtmann | 7a4cd51 | 2014-02-19 19:52:13 -0800 | [diff] [blame] | 2974 | case HCI_OP_LE_SET_RANDOM_ADDR: |
| 2975 | hci_cc_le_set_random_addr(hdev, skb); |
| 2976 | break; |
| 2977 | |
Johan Hedberg | c1d5dc4 | 2012-11-08 01:23:01 +0100 | [diff] [blame] | 2978 | case HCI_OP_LE_SET_ADV_ENABLE: |
| 2979 | hci_cc_le_set_adv_enable(hdev, skb); |
| 2980 | break; |
| 2981 | |
Marcel Holtmann | 533553f | 2014-03-21 12:18:10 -0700 | [diff] [blame] | 2982 | case HCI_OP_LE_SET_SCAN_PARAM: |
| 2983 | hci_cc_le_set_scan_param(hdev, skb); |
| 2984 | break; |
| 2985 | |
Andre Guedes | eb9d91f | 2011-05-26 16:23:52 -0300 | [diff] [blame] | 2986 | case HCI_OP_LE_SET_SCAN_ENABLE: |
| 2987 | hci_cc_le_set_scan_enable(hdev, skb); |
| 2988 | break; |
| 2989 | |
Johan Hedberg | cf1d081 | 2013-01-22 14:02:00 +0200 | [diff] [blame] | 2990 | case HCI_OP_LE_READ_WHITE_LIST_SIZE: |
| 2991 | hci_cc_le_read_white_list_size(hdev, skb); |
| 2992 | break; |
| 2993 | |
Marcel Holtmann | 0f36b58 | 2014-02-27 20:37:31 -0800 | [diff] [blame] | 2994 | 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 Hedberg | 9b008c0 | 2013-01-22 14:02:01 +0200 | [diff] [blame] | 3006 | case HCI_OP_LE_READ_SUPPORTED_STATES: |
| 3007 | hci_cc_le_read_supported_states(hdev, skb); |
| 3008 | break; |
| 3009 | |
Marcel Holtmann | a8e1bfa | 2014-12-20 16:28:40 +0100 | [diff] [blame] | 3010 | 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 Guedes | f9b4930 | 2011-06-30 19:20:53 -0300 | [diff] [blame] | 3022 | case HCI_OP_WRITE_LE_HOST_SUPPORTED: |
| 3023 | hci_cc_write_le_host_supported(hdev, skb); |
| 3024 | break; |
| 3025 | |
Johan Hedberg | 56ed2cb | 2014-02-27 14:05:40 +0200 | [diff] [blame] | 3026 | case HCI_OP_LE_SET_ADV_PARAM: |
| 3027 | hci_cc_set_adv_param(hdev, skb); |
| 3028 | break; |
| 3029 | |
Andrzej Kaczmarek | 5ae76a9 | 2014-05-08 15:32:08 +0200 | [diff] [blame] | 3030 | case HCI_OP_READ_RSSI: |
| 3031 | hci_cc_read_rssi(hdev, skb); |
| 3032 | break; |
| 3033 | |
Andrzej Kaczmarek | 5a134fa | 2014-05-09 21:35:28 +0200 | [diff] [blame] | 3034 | case HCI_OP_READ_TX_POWER: |
| 3035 | hci_cc_read_tx_power(hdev, skb); |
| 3036 | break; |
| 3037 | |
Marcel Holtmann | c50b33c | 2015-01-31 15:07:52 -0800 | [diff] [blame] | 3038 | case HCI_OP_WRITE_SSP_DEBUG_MODE: |
| 3039 | hci_cc_write_ssp_debug_mode(hdev, skb); |
| 3040 | break; |
| 3041 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 3042 | default: |
Johan Hedberg | e6214487 | 2015-04-02 13:41:08 +0300 | [diff] [blame] | 3043 | BT_DBG("%s opcode 0x%4.4x", hdev->name, *opcode); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 3044 | break; |
| 3045 | } |
| 3046 | |
Johan Hedberg | e6214487 | 2015-04-02 13:41:08 +0300 | [diff] [blame] | 3047 | if (*opcode != HCI_OP_NOP) |
Marcel Holtmann | 65cc2b4 | 2014-06-16 12:30:56 +0200 | [diff] [blame] | 3048 | cancel_delayed_work(&hdev->cmd_timer); |
Ville Tervo | 6bd3232 | 2011-02-16 16:32:41 +0200 | [diff] [blame] | 3049 | |
Johan Hedberg | 600b215 | 2015-03-28 11:17:36 +0200 | [diff] [blame] | 3050 | if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) |
| 3051 | atomic_set(&hdev->cmd_cnt, 1); |
| 3052 | |
Johan Hedberg | e6214487 | 2015-04-02 13:41:08 +0300 | [diff] [blame] | 3053 | hci_req_cmd_complete(hdev, *opcode, *status, req_complete, |
| 3054 | req_complete_skb); |
Johan Hedberg | 9238f36 | 2013-03-05 20:37:48 +0200 | [diff] [blame] | 3055 | |
Johan Hedberg | 600b215 | 2015-03-28 11:17:36 +0200 | [diff] [blame] | 3056 | if (atomic_read(&hdev->cmd_cnt) && !skb_queue_empty(&hdev->cmd_q)) |
| 3057 | queue_work(hdev->workqueue, &hdev->cmd_work); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 3058 | } |
| 3059 | |
Johan Hedberg | e6214487 | 2015-04-02 13:41:08 +0300 | [diff] [blame] | 3060 | static 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 Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 3064 | { |
| 3065 | struct hci_ev_cmd_status *ev = (void *) skb->data; |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 3066 | |
| 3067 | skb_pull(skb, sizeof(*ev)); |
| 3068 | |
Johan Hedberg | e6214487 | 2015-04-02 13:41:08 +0300 | [diff] [blame] | 3069 | *opcode = __le16_to_cpu(ev->opcode); |
| 3070 | *status = ev->status; |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 3071 | |
Johan Hedberg | e6214487 | 2015-04-02 13:41:08 +0300 | [diff] [blame] | 3072 | switch (*opcode) { |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 3073 | 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 Pawlak | 9645c76 | 2014-11-06 19:36:53 +0100 | [diff] [blame] | 3081 | case HCI_OP_DISCONNECT: |
| 3082 | hci_cs_disconnect(hdev, ev->status); |
| 3083 | break; |
| 3084 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 3085 | case HCI_OP_ADD_SCO: |
| 3086 | hci_cs_add_sco(hdev, ev->status); |
| 3087 | break; |
| 3088 | |
Marcel Holtmann | f855855 | 2008-07-14 20:13:49 +0200 | [diff] [blame] | 3089 | 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 Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 3097 | case HCI_OP_REMOTE_NAME_REQ: |
| 3098 | hci_cs_remote_name_req(hdev, ev->status); |
| 3099 | break; |
| 3100 | |
Marcel Holtmann | 769be97 | 2008-07-14 20:13:49 +0200 | [diff] [blame] | 3101 | 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 Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 3109 | 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 Pawlak | 50fc85f | 2014-11-06 19:36:52 +0100 | [diff] [blame] | 3121 | case HCI_OP_SWITCH_ROLE: |
| 3122 | hci_cs_switch_role(hdev, ev->status); |
| 3123 | break; |
| 3124 | |
Johan Hedberg | cb1d68f | 2014-02-28 12:54:16 +0200 | [diff] [blame] | 3125 | case HCI_OP_LE_CREATE_CONN: |
| 3126 | hci_cs_le_create_conn(hdev, ev->status); |
| 3127 | break; |
| 3128 | |
Marcel Holtmann | 0fe29fd | 2015-04-08 09:05:27 -0700 | [diff] [blame] | 3129 | case HCI_OP_LE_READ_REMOTE_FEATURES: |
| 3130 | hci_cs_le_read_remote_features(hdev, ev->status); |
| 3131 | break; |
| 3132 | |
Johan Hedberg | 81d0c8a | 2014-03-24 14:39:04 +0200 | [diff] [blame] | 3133 | case HCI_OP_LE_START_ENC: |
| 3134 | hci_cs_le_start_enc(hdev, ev->status); |
| 3135 | break; |
| 3136 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 3137 | default: |
Johan Hedberg | e6214487 | 2015-04-02 13:41:08 +0300 | [diff] [blame] | 3138 | BT_DBG("%s opcode 0x%4.4x", hdev->name, *opcode); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 3139 | break; |
| 3140 | } |
| 3141 | |
Johan Hedberg | e6214487 | 2015-04-02 13:41:08 +0300 | [diff] [blame] | 3142 | if (*opcode != HCI_OP_NOP) |
Marcel Holtmann | 65cc2b4 | 2014-06-16 12:30:56 +0200 | [diff] [blame] | 3143 | cancel_delayed_work(&hdev->cmd_timer); |
Ville Tervo | 6bd3232 | 2011-02-16 16:32:41 +0200 | [diff] [blame] | 3144 | |
Johan Hedberg | 600b215 | 2015-03-28 11:17:36 +0200 | [diff] [blame] | 3145 | if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) |
| 3146 | atomic_set(&hdev->cmd_cnt, 1); |
| 3147 | |
Johan Hedberg | 444c6dd | 2015-04-02 13:41:07 +0300 | [diff] [blame] | 3148 | /* 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 Hedberg | 02350a7 | 2013-04-03 21:50:29 +0300 | [diff] [blame] | 3154 | if (ev->status || |
Marcel Holtmann | 242c0eb | 2015-10-25 22:45:53 +0100 | [diff] [blame] | 3155 | (hdev->sent_cmd && !bt_cb(hdev->sent_cmd)->hci.req_event)) |
Johan Hedberg | e6214487 | 2015-04-02 13:41:08 +0300 | [diff] [blame] | 3156 | hci_req_cmd_complete(hdev, *opcode, ev->status, req_complete, |
| 3157 | req_complete_skb); |
Johan Hedberg | 9238f36 | 2013-03-05 20:37:48 +0200 | [diff] [blame] | 3158 | |
Johan Hedberg | 600b215 | 2015-03-28 11:17:36 +0200 | [diff] [blame] | 3159 | if (atomic_read(&hdev->cmd_cnt) && !skb_queue_empty(&hdev->cmd_q)) |
| 3160 | queue_work(hdev->workqueue, &hdev->cmd_work); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 3161 | } |
| 3162 | |
Marcel Holtmann | 24dfa34 | 2014-11-02 02:56:41 +0100 | [diff] [blame] | 3163 | static 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 Holtmann | c7741d1 | 2015-01-28 11:09:55 -0800 | [diff] [blame] | 3167 | hdev->hw_error_code = ev->code; |
| 3168 | |
| 3169 | queue_work(hdev->req_workqueue, &hdev->error_reset); |
Marcel Holtmann | 24dfa34 | 2014-11-02 02:56:41 +0100 | [diff] [blame] | 3170 | } |
| 3171 | |
Gustavo Padovan | 6039aa73 | 2012-05-23 04:04:18 -0300 | [diff] [blame] | 3172 | static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb) |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 3173 | { |
| 3174 | struct hci_ev_role_change *ev = (void *) skb->data; |
| 3175 | struct hci_conn *conn; |
| 3176 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 3177 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 3178 | |
| 3179 | hci_dev_lock(hdev); |
| 3180 | |
| 3181 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); |
| 3182 | if (conn) { |
Johan Hedberg | 40bef30 | 2014-07-16 11:42:27 +0300 | [diff] [blame] | 3183 | if (!ev->status) |
| 3184 | conn->role = ev->role; |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 3185 | |
Johan Hedberg | 51a8efd | 2012-01-16 06:10:31 +0200 | [diff] [blame] | 3186 | clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 3187 | |
| 3188 | hci_role_switch_cfm(conn, ev->status, ev->role); |
| 3189 | } |
| 3190 | |
| 3191 | hci_dev_unlock(hdev); |
| 3192 | } |
| 3193 | |
Gustavo Padovan | 6039aa73 | 2012-05-23 04:04:18 -0300 | [diff] [blame] | 3194 | static void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3195 | { |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 3196 | struct hci_ev_num_comp_pkts *ev = (void *) skb->data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3197 | int i; |
| 3198 | |
Andrei Emeltchenko | 32ac5b9 | 2011-12-19 16:31:29 +0200 | [diff] [blame] | 3199 | 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 Emeltchenko | c5993de | 2011-12-30 12:07:47 +0200 | [diff] [blame] | 3204 | if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) + |
Gustavo Padovan | 807deac | 2012-05-17 00:36:24 -0300 | [diff] [blame] | 3205 | ev->num_hndl * sizeof(struct hci_comp_pkts_info)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3206 | BT_DBG("%s bad parameters", hdev->name); |
| 3207 | return; |
| 3208 | } |
| 3209 | |
Andrei Emeltchenko | c5993de | 2011-12-30 12:07:47 +0200 | [diff] [blame] | 3210 | BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl); |
| 3211 | |
Andrei Emeltchenko | 613a1c0 | 2011-12-19 16:31:30 +0200 | [diff] [blame] | 3212 | for (i = 0; i < ev->num_hndl; i++) { |
| 3213 | struct hci_comp_pkts_info *info = &ev->handles[i]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3214 | struct hci_conn *conn; |
| 3215 | __u16 handle, count; |
| 3216 | |
Andrei Emeltchenko | 613a1c0 | 2011-12-19 16:31:30 +0200 | [diff] [blame] | 3217 | handle = __le16_to_cpu(info->handle); |
| 3218 | count = __le16_to_cpu(info->count); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3219 | |
| 3220 | conn = hci_conn_hash_lookup_handle(hdev, handle); |
Andrei Emeltchenko | f428091 | 2011-12-07 15:56:52 +0200 | [diff] [blame] | 3221 | if (!conn) |
| 3222 | continue; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3223 | |
Andrei Emeltchenko | f428091 | 2011-12-07 15:56:52 +0200 | [diff] [blame] | 3224 | 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 Emeltchenko | 70f23020 | 2010-12-01 16:58:25 +0200 | [diff] [blame] | 3239 | hdev->acl_cnt += count; |
| 3240 | if (hdev->acl_cnt > hdev->acl_pkts) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3241 | hdev->acl_cnt = hdev->acl_pkts; |
| 3242 | } |
Andrei Emeltchenko | f428091 | 2011-12-07 15:56:52 +0200 | [diff] [blame] | 3243 | 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 Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3254 | } |
| 3255 | } |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 3256 | |
Gustavo F. Padovan | 3eff45e | 2011-12-15 00:50:02 -0200 | [diff] [blame] | 3257 | queue_work(hdev->workqueue, &hdev->tx_work); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3258 | } |
| 3259 | |
Andrei Emeltchenko | 76ef7cf | 2012-10-10 17:38:29 +0300 | [diff] [blame] | 3260 | static 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 Holtmann | ca8bee5 | 2016-07-05 14:30:14 +0200 | [diff] [blame] | 3266 | case HCI_PRIMARY: |
Andrei Emeltchenko | 76ef7cf | 2012-10-10 17:38:29 +0300 | [diff] [blame] | 3267 | 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 Padovan | 6039aa73 | 2012-05-23 04:04:18 -0300 | [diff] [blame] | 3281 | static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb) |
Andrei Emeltchenko | 25e89e9 | 2012-01-04 12:41:58 +0200 | [diff] [blame] | 3282 | { |
| 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 Padovan | 807deac | 2012-05-17 00:36:24 -0300 | [diff] [blame] | 3292 | ev->num_hndl * sizeof(struct hci_comp_blocks_info)) { |
Andrei Emeltchenko | 25e89e9 | 2012-01-04 12:41:58 +0200 | [diff] [blame] | 3293 | 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 Padovan | 807deac | 2012-05-17 00:36:24 -0300 | [diff] [blame] | 3298 | ev->num_hndl); |
Andrei Emeltchenko | 25e89e9 | 2012-01-04 12:41:58 +0200 | [diff] [blame] | 3299 | |
| 3300 | for (i = 0; i < ev->num_hndl; i++) { |
| 3301 | struct hci_comp_blocks_info *info = &ev->handles[i]; |
Andrei Emeltchenko | 76ef7cf | 2012-10-10 17:38:29 +0300 | [diff] [blame] | 3302 | struct hci_conn *conn = NULL; |
Andrei Emeltchenko | 25e89e9 | 2012-01-04 12:41:58 +0200 | [diff] [blame] | 3303 | __u16 handle, block_count; |
| 3304 | |
| 3305 | handle = __le16_to_cpu(info->handle); |
| 3306 | block_count = __le16_to_cpu(info->blocks); |
| 3307 | |
Andrei Emeltchenko | 76ef7cf | 2012-10-10 17:38:29 +0300 | [diff] [blame] | 3308 | conn = __hci_conn_lookup_handle(hdev, handle); |
Andrei Emeltchenko | 25e89e9 | 2012-01-04 12:41:58 +0200 | [diff] [blame] | 3309 | if (!conn) |
| 3310 | continue; |
| 3311 | |
| 3312 | conn->sent -= block_count; |
| 3313 | |
| 3314 | switch (conn->type) { |
| 3315 | case ACL_LINK: |
Andrei Emeltchenko | bd1eb66 | 2012-10-10 17:38:30 +0300 | [diff] [blame] | 3316 | case AMP_LINK: |
Andrei Emeltchenko | 25e89e9 | 2012-01-04 12:41:58 +0200 | [diff] [blame] | 3317 | 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 Padovan | 6039aa73 | 2012-05-23 04:04:18 -0300 | [diff] [blame] | 3331 | static void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3332 | { |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 3333 | struct hci_ev_mode_change *ev = (void *) skb->data; |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 3334 | struct hci_conn *conn; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3335 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 3336 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3337 | |
| 3338 | hci_dev_lock(hdev); |
| 3339 | |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 3340 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
| 3341 | if (conn) { |
| 3342 | conn->mode = ev->mode; |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 3343 | |
Gustavo Padovan | 8fc9ced | 2012-05-23 04:04:21 -0300 | [diff] [blame] | 3344 | if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND, |
| 3345 | &conn->flags)) { |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 3346 | if (conn->mode == HCI_CM_ACTIVE) |
Johan Hedberg | 58a681e | 2012-01-16 06:47:28 +0200 | [diff] [blame] | 3347 | set_bit(HCI_CONN_POWER_SAVE, &conn->flags); |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 3348 | else |
Johan Hedberg | 58a681e | 2012-01-16 06:47:28 +0200 | [diff] [blame] | 3349 | clear_bit(HCI_CONN_POWER_SAVE, &conn->flags); |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 3350 | } |
Marcel Holtmann | e73439d | 2010-07-26 10:06:00 -0400 | [diff] [blame] | 3351 | |
Johan Hedberg | 51a8efd | 2012-01-16 06:10:31 +0200 | [diff] [blame] | 3352 | if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags)) |
Marcel Holtmann | e73439d | 2010-07-26 10:06:00 -0400 | [diff] [blame] | 3353 | hci_sco_setup(conn, ev->status); |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 3354 | } |
| 3355 | |
| 3356 | hci_dev_unlock(hdev); |
| 3357 | } |
| 3358 | |
Gustavo Padovan | 6039aa73 | 2012-05-23 04:04:18 -0300 | [diff] [blame] | 3359 | static void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3360 | { |
Marcel Holtmann | 052b30b | 2009-04-26 20:01:22 +0200 | [diff] [blame] | 3361 | struct hci_ev_pin_code_req *ev = (void *) skb->data; |
| 3362 | struct hci_conn *conn; |
| 3363 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 3364 | BT_DBG("%s", hdev->name); |
Marcel Holtmann | 052b30b | 2009-04-26 20:01:22 +0200 | [diff] [blame] | 3365 | |
| 3366 | hci_dev_lock(hdev); |
| 3367 | |
| 3368 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); |
Waldemar Rymarkiewicz | b6f9804 | 2011-09-23 10:01:30 +0200 | [diff] [blame] | 3369 | if (!conn) |
| 3370 | goto unlock; |
| 3371 | |
| 3372 | if (conn->state == BT_CONNECTED) { |
Marcel Holtmann | 052b30b | 2009-04-26 20:01:22 +0200 | [diff] [blame] | 3373 | hci_conn_hold(conn); |
| 3374 | conn->disc_timeout = HCI_PAIRING_TIMEOUT; |
David Herrmann | 76a68ba | 2013-04-06 20:28:37 +0200 | [diff] [blame] | 3375 | hci_conn_drop(conn); |
Marcel Holtmann | 052b30b | 2009-04-26 20:01:22 +0200 | [diff] [blame] | 3376 | } |
| 3377 | |
Marcel Holtmann | d7a5a11 | 2015-03-13 02:11:00 -0700 | [diff] [blame] | 3378 | if (!hci_dev_test_flag(hdev, HCI_BONDABLE) && |
Johan Hedberg | 2f407f0 | 2014-07-17 15:35:40 +0300 | [diff] [blame] | 3379 | !test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags)) { |
Johan Hedberg | 03b555e | 2011-01-04 15:40:05 +0200 | [diff] [blame] | 3380 | hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY, |
Gustavo Padovan | 807deac | 2012-05-17 00:36:24 -0300 | [diff] [blame] | 3381 | sizeof(ev->bdaddr), &ev->bdaddr); |
Marcel Holtmann | d7a5a11 | 2015-03-13 02:11:00 -0700 | [diff] [blame] | 3382 | } else if (hci_dev_test_flag(hdev, HCI_MGMT)) { |
Waldemar Rymarkiewicz | a770bb5 | 2011-04-28 12:07:59 +0200 | [diff] [blame] | 3383 | u8 secure; |
| 3384 | |
| 3385 | if (conn->pending_sec_level == BT_SECURITY_HIGH) |
| 3386 | secure = 1; |
| 3387 | else |
| 3388 | secure = 0; |
| 3389 | |
Johan Hedberg | 744cf19 | 2011-11-08 20:40:14 +0200 | [diff] [blame] | 3390 | mgmt_pin_code_request(hdev, &ev->bdaddr, secure); |
Waldemar Rymarkiewicz | a770bb5 | 2011-04-28 12:07:59 +0200 | [diff] [blame] | 3391 | } |
Johan Hedberg | 980e1a5 | 2011-01-22 06:10:07 +0200 | [diff] [blame] | 3392 | |
Waldemar Rymarkiewicz | b6f9804 | 2011-09-23 10:01:30 +0200 | [diff] [blame] | 3393 | unlock: |
Marcel Holtmann | 052b30b | 2009-04-26 20:01:22 +0200 | [diff] [blame] | 3394 | hci_dev_unlock(hdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3395 | } |
| 3396 | |
Johan Hedberg | cb6f3f7 | 2014-11-19 14:53:04 +0200 | [diff] [blame] | 3397 | static 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 Padovan | 6039aa73 | 2012-05-23 04:04:18 -0300 | [diff] [blame] | 3429 | static void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3430 | { |
Johan Hedberg | 55ed8ca1 | 2011-01-17 14:41:05 +0200 | [diff] [blame] | 3431 | 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 Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 3436 | BT_DBG("%s", hdev->name); |
Johan Hedberg | 55ed8ca1 | 2011-01-17 14:41:05 +0200 | [diff] [blame] | 3437 | |
Marcel Holtmann | d7a5a11 | 2015-03-13 02:11:00 -0700 | [diff] [blame] | 3438 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
Johan Hedberg | 55ed8ca1 | 2011-01-17 14:41:05 +0200 | [diff] [blame] | 3439 | return; |
| 3440 | |
| 3441 | hci_dev_lock(hdev); |
| 3442 | |
| 3443 | key = hci_find_link_key(hdev, &ev->bdaddr); |
| 3444 | if (!key) { |
Andrei Emeltchenko | 6ed93dc | 2012-09-25 12:49:43 +0300 | [diff] [blame] | 3445 | BT_DBG("%s link key not found for %pMR", hdev->name, |
| 3446 | &ev->bdaddr); |
Johan Hedberg | 55ed8ca1 | 2011-01-17 14:41:05 +0200 | [diff] [blame] | 3447 | goto not_found; |
| 3448 | } |
| 3449 | |
Andrei Emeltchenko | 6ed93dc | 2012-09-25 12:49:43 +0300 | [diff] [blame] | 3450 | BT_DBG("%s found key type %u for %pMR", hdev->name, key->type, |
| 3451 | &ev->bdaddr); |
Johan Hedberg | 55ed8ca1 | 2011-01-17 14:41:05 +0200 | [diff] [blame] | 3452 | |
Johan Hedberg | 55ed8ca1 | 2011-01-17 14:41:05 +0200 | [diff] [blame] | 3453 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); |
Waldemar Rymarkiewicz | 60b83f5 | 2011-04-28 12:07:56 +0200 | [diff] [blame] | 3454 | if (conn) { |
Johan Hedberg | fe8bc5a | 2014-08-14 12:33:17 +0300 | [diff] [blame] | 3455 | clear_bit(HCI_CONN_NEW_LINK_KEY, &conn->flags); |
| 3456 | |
Marcel Holtmann | 66138ce | 2014-01-10 02:07:20 -0800 | [diff] [blame] | 3457 | if ((key->type == HCI_LK_UNAUTH_COMBINATION_P192 || |
| 3458 | key->type == HCI_LK_UNAUTH_COMBINATION_P256) && |
Gustavo Padovan | 807deac | 2012-05-17 00:36:24 -0300 | [diff] [blame] | 3459 | conn->auth_type != 0xff && (conn->auth_type & 0x01)) { |
Waldemar Rymarkiewicz | 60b83f5 | 2011-04-28 12:07:56 +0200 | [diff] [blame] | 3460 | BT_DBG("%s ignoring unauthenticated key", hdev->name); |
| 3461 | goto not_found; |
| 3462 | } |
Johan Hedberg | 55ed8ca1 | 2011-01-17 14:41:05 +0200 | [diff] [blame] | 3463 | |
Waldemar Rymarkiewicz | 60b83f5 | 2011-04-28 12:07:56 +0200 | [diff] [blame] | 3464 | if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 && |
Johan Hedberg | f3fb0b5 | 2014-06-02 10:12:44 +0300 | [diff] [blame] | 3465 | (conn->pending_sec_level == BT_SECURITY_HIGH || |
| 3466 | conn->pending_sec_level == BT_SECURITY_FIPS)) { |
Gustavo Padovan | 8fc9ced | 2012-05-23 04:04:21 -0300 | [diff] [blame] | 3467 | BT_DBG("%s ignoring key unauthenticated for high security", |
| 3468 | hdev->name); |
Waldemar Rymarkiewicz | 60b83f5 | 2011-04-28 12:07:56 +0200 | [diff] [blame] | 3469 | goto not_found; |
| 3470 | } |
| 3471 | |
Johan Hedberg | cb6f3f7 | 2014-11-19 14:53:04 +0200 | [diff] [blame] | 3472 | conn_set_key(conn, key->type, key->pin_len); |
Johan Hedberg | 55ed8ca1 | 2011-01-17 14:41:05 +0200 | [diff] [blame] | 3473 | } |
| 3474 | |
| 3475 | bacpy(&cp.bdaddr, &ev->bdaddr); |
Andrei Emeltchenko | 9b3b446 | 2012-05-23 11:31:20 +0300 | [diff] [blame] | 3476 | memcpy(cp.link_key, key->val, HCI_LINK_KEY_SIZE); |
Johan Hedberg | 55ed8ca1 | 2011-01-17 14:41:05 +0200 | [diff] [blame] | 3477 | |
| 3478 | hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp); |
| 3479 | |
| 3480 | hci_dev_unlock(hdev); |
| 3481 | |
| 3482 | return; |
| 3483 | |
| 3484 | not_found: |
| 3485 | hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr); |
| 3486 | hci_dev_unlock(hdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3487 | } |
| 3488 | |
Gustavo Padovan | 6039aa73 | 2012-05-23 04:04:18 -0300 | [diff] [blame] | 3489 | static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3490 | { |
Marcel Holtmann | 052b30b | 2009-04-26 20:01:22 +0200 | [diff] [blame] | 3491 | struct hci_ev_link_key_notify *ev = (void *) skb->data; |
| 3492 | struct hci_conn *conn; |
Johan Hedberg | 7652ff6 | 2014-06-24 13:15:49 +0300 | [diff] [blame] | 3493 | struct link_key *key; |
| 3494 | bool persistent; |
Johan Hedberg | 55ed8ca1 | 2011-01-17 14:41:05 +0200 | [diff] [blame] | 3495 | u8 pin_len = 0; |
Marcel Holtmann | 052b30b | 2009-04-26 20:01:22 +0200 | [diff] [blame] | 3496 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 3497 | BT_DBG("%s", hdev->name); |
Marcel Holtmann | 052b30b | 2009-04-26 20:01:22 +0200 | [diff] [blame] | 3498 | |
| 3499 | hci_dev_lock(hdev); |
| 3500 | |
| 3501 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); |
Johan Hedberg | 82c13d4 | 2014-12-03 11:03:06 +0200 | [diff] [blame] | 3502 | 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 Hedberg | fe8bc5a | 2014-08-14 12:33:17 +0300 | [diff] [blame] | 3509 | set_bit(HCI_CONN_NEW_LINK_KEY, &conn->flags); |
Johan Hedberg | 82c13d4 | 2014-12-03 11:03:06 +0200 | [diff] [blame] | 3510 | conn_set_key(conn, ev->key_type, conn->pin_length); |
Marcel Holtmann | 052b30b | 2009-04-26 20:01:22 +0200 | [diff] [blame] | 3511 | |
Marcel Holtmann | d7a5a11 | 2015-03-13 02:11:00 -0700 | [diff] [blame] | 3512 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
Johan Hedberg | 7652ff6 | 2014-06-24 13:15:49 +0300 | [diff] [blame] | 3513 | goto unlock; |
Johan Hedberg | 55ed8ca1 | 2011-01-17 14:41:05 +0200 | [diff] [blame] | 3514 | |
Johan Hedberg | 7652ff6 | 2014-06-24 13:15:49 +0300 | [diff] [blame] | 3515 | 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 Hedberg | cb6f3f7 | 2014-11-19 14:53:04 +0200 | [diff] [blame] | 3520 | /* 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 Hedberg | 7652ff6 | 2014-06-24 13:15:49 +0300 | [diff] [blame] | 3526 | mgmt_new_link_key(hdev, key, persistent); |
| 3527 | |
Johan Hedberg | 6d5650c | 2014-06-24 13:15:51 +0300 | [diff] [blame] | 3528 | /* 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 Holtmann | d7a5a11 | 2015-03-13 02:11:00 -0700 | [diff] [blame] | 3534 | !hci_dev_test_flag(hdev, HCI_KEEP_DEBUG_KEYS)) { |
Johan Hedberg | 0378b59 | 2014-11-19 15:22:22 +0200 | [diff] [blame] | 3535 | list_del_rcu(&key->list); |
| 3536 | kfree_rcu(key, rcu); |
Johan Hedberg | 82c13d4 | 2014-12-03 11:03:06 +0200 | [diff] [blame] | 3537 | goto unlock; |
Johan Hedberg | 6d5650c | 2014-06-24 13:15:51 +0300 | [diff] [blame] | 3538 | } |
Johan Hedberg | 7652ff6 | 2014-06-24 13:15:49 +0300 | [diff] [blame] | 3539 | |
Johan Hedberg | 82c13d4 | 2014-12-03 11:03:06 +0200 | [diff] [blame] | 3540 | if (persistent) |
| 3541 | clear_bit(HCI_CONN_FLUSH_KEY, &conn->flags); |
| 3542 | else |
| 3543 | set_bit(HCI_CONN_FLUSH_KEY, &conn->flags); |
| 3544 | |
Johan Hedberg | 7652ff6 | 2014-06-24 13:15:49 +0300 | [diff] [blame] | 3545 | unlock: |
Marcel Holtmann | 052b30b | 2009-04-26 20:01:22 +0200 | [diff] [blame] | 3546 | hci_dev_unlock(hdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3547 | } |
| 3548 | |
Gustavo Padovan | 6039aa73 | 2012-05-23 04:04:18 -0300 | [diff] [blame] | 3549 | static void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb) |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 3550 | { |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 3551 | struct hci_ev_clock_offset *ev = (void *) skb->data; |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 3552 | struct hci_conn *conn; |
| 3553 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 3554 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 3555 | |
| 3556 | hci_dev_lock(hdev); |
| 3557 | |
| 3558 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3559 | if (conn && !ev->status) { |
| 3560 | struct inquiry_entry *ie; |
| 3561 | |
Andrei Emeltchenko | cc11b9c | 2010-11-22 13:21:37 +0200 | [diff] [blame] | 3562 | ie = hci_inquiry_cache_lookup(hdev, &conn->dst); |
| 3563 | if (ie) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3564 | ie->data.clock_offset = ev->clock_offset; |
| 3565 | ie->timestamp = jiffies; |
| 3566 | } |
| 3567 | } |
| 3568 | |
| 3569 | hci_dev_unlock(hdev); |
| 3570 | } |
| 3571 | |
Gustavo Padovan | 6039aa73 | 2012-05-23 04:04:18 -0300 | [diff] [blame] | 3572 | static void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb) |
Marcel Holtmann | a874641 | 2008-07-14 20:13:46 +0200 | [diff] [blame] | 3573 | { |
| 3574 | struct hci_ev_pkt_type_change *ev = (void *) skb->data; |
| 3575 | struct hci_conn *conn; |
| 3576 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 3577 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
Marcel Holtmann | a874641 | 2008-07-14 20:13:46 +0200 | [diff] [blame] | 3578 | |
| 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 Padovan | 6039aa73 | 2012-05-23 04:04:18 -0300 | [diff] [blame] | 3588 | static void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb) |
Marcel Holtmann | 85a1e93 | 2005-08-09 20:28:02 -0700 | [diff] [blame] | 3589 | { |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 3590 | struct hci_ev_pscan_rep_mode *ev = (void *) skb->data; |
Marcel Holtmann | 85a1e93 | 2005-08-09 20:28:02 -0700 | [diff] [blame] | 3591 | struct inquiry_entry *ie; |
| 3592 | |
| 3593 | BT_DBG("%s", hdev->name); |
| 3594 | |
| 3595 | hci_dev_lock(hdev); |
| 3596 | |
Andrei Emeltchenko | cc11b9c | 2010-11-22 13:21:37 +0200 | [diff] [blame] | 3597 | ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr); |
| 3598 | if (ie) { |
Marcel Holtmann | 85a1e93 | 2005-08-09 20:28:02 -0700 | [diff] [blame] | 3599 | ie->data.pscan_rep_mode = ev->pscan_rep_mode; |
| 3600 | ie->timestamp = jiffies; |
| 3601 | } |
| 3602 | |
| 3603 | hci_dev_unlock(hdev); |
| 3604 | } |
| 3605 | |
Gustavo Padovan | 6039aa73 | 2012-05-23 04:04:18 -0300 | [diff] [blame] | 3606 | static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, |
| 3607 | struct sk_buff *skb) |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 3608 | { |
| 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 Holtmann | d7a5a11 | 2015-03-13 02:11:00 -0700 | [diff] [blame] | 3617 | if (hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) |
Andre Guedes | 1519cc1 | 2012-03-21 00:03:38 -0300 | [diff] [blame] | 3618 | return; |
| 3619 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 3620 | hci_dev_lock(hdev); |
| 3621 | |
| 3622 | if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) { |
Szymon Janc | 138d22e | 2011-02-17 16:44:23 +0100 | [diff] [blame] | 3623 | struct inquiry_info_with_rssi_and_pscan_mode *info; |
| 3624 | info = (void *) (skb->data + 1); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 3625 | |
Johan Hedberg | e17acd4 | 2011-03-30 23:57:16 +0300 | [diff] [blame] | 3626 | for (; num_rsp; num_rsp--, info++) { |
Marcel Holtmann | af58925 | 2014-07-01 14:11:20 +0200 | [diff] [blame] | 3627 | u32 flags; |
| 3628 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 3629 | 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 Holtmann | 41a9621 | 2008-07-14 20:13:48 +0200 | [diff] [blame] | 3636 | data.ssp_mode = 0x00; |
Johan Hedberg | 3175405 | 2012-01-04 13:39:52 +0200 | [diff] [blame] | 3637 | |
Marcel Holtmann | af58925 | 2014-07-01 14:11:20 +0200 | [diff] [blame] | 3638 | flags = hci_inquiry_cache_update(hdev, &data, false); |
| 3639 | |
Johan Hedberg | 48264f0 | 2011-11-09 13:58:58 +0200 | [diff] [blame] | 3640 | mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00, |
Gustavo F. Padovan | 0412468 | 2012-03-08 01:25:00 -0300 | [diff] [blame] | 3641 | info->dev_class, info->rssi, |
Marcel Holtmann | af58925 | 2014-07-01 14:11:20 +0200 | [diff] [blame] | 3642 | flags, NULL, 0, NULL, 0); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 3643 | } |
| 3644 | } else { |
| 3645 | struct inquiry_info_with_rssi *info = (void *) (skb->data + 1); |
| 3646 | |
Johan Hedberg | e17acd4 | 2011-03-30 23:57:16 +0300 | [diff] [blame] | 3647 | for (; num_rsp; num_rsp--, info++) { |
Marcel Holtmann | af58925 | 2014-07-01 14:11:20 +0200 | [diff] [blame] | 3648 | u32 flags; |
| 3649 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 3650 | 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 Holtmann | 41a9621 | 2008-07-14 20:13:48 +0200 | [diff] [blame] | 3657 | data.ssp_mode = 0x00; |
Marcel Holtmann | af58925 | 2014-07-01 14:11:20 +0200 | [diff] [blame] | 3658 | |
| 3659 | flags = hci_inquiry_cache_update(hdev, &data, false); |
| 3660 | |
Johan Hedberg | 48264f0 | 2011-11-09 13:58:58 +0200 | [diff] [blame] | 3661 | mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00, |
Gustavo F. Padovan | 0412468 | 2012-03-08 01:25:00 -0300 | [diff] [blame] | 3662 | info->dev_class, info->rssi, |
Marcel Holtmann | af58925 | 2014-07-01 14:11:20 +0200 | [diff] [blame] | 3663 | flags, NULL, 0, NULL, 0); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 3664 | } |
| 3665 | } |
| 3666 | |
| 3667 | hci_dev_unlock(hdev); |
| 3668 | } |
| 3669 | |
Gustavo Padovan | 6039aa73 | 2012-05-23 04:04:18 -0300 | [diff] [blame] | 3670 | static void hci_remote_ext_features_evt(struct hci_dev *hdev, |
| 3671 | struct sk_buff *skb) |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 3672 | { |
Marcel Holtmann | 41a9621 | 2008-07-14 20:13:48 +0200 | [diff] [blame] | 3673 | struct hci_ev_remote_ext_features *ev = (void *) skb->data; |
| 3674 | struct hci_conn *conn; |
| 3675 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 3676 | BT_DBG("%s", hdev->name); |
Marcel Holtmann | 41a9621 | 2008-07-14 20:13:48 +0200 | [diff] [blame] | 3677 | |
Marcel Holtmann | 41a9621 | 2008-07-14 20:13:48 +0200 | [diff] [blame] | 3678 | hci_dev_lock(hdev); |
| 3679 | |
| 3680 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
Johan Hedberg | ccd556f | 2010-11-10 17:11:51 +0200 | [diff] [blame] | 3681 | if (!conn) |
| 3682 | goto unlock; |
Marcel Holtmann | 41a9621 | 2008-07-14 20:13:48 +0200 | [diff] [blame] | 3683 | |
Johan Hedberg | cad718e | 2013-04-17 15:00:51 +0300 | [diff] [blame] | 3684 | if (ev->page < HCI_MAX_PAGES) |
| 3685 | memcpy(conn->features[ev->page], ev->features, 8); |
| 3686 | |
Johan Hedberg | ccd556f | 2010-11-10 17:11:51 +0200 | [diff] [blame] | 3687 | if (!ev->status && ev->page == 0x01) { |
| 3688 | struct inquiry_entry *ie; |
Marcel Holtmann | 41a9621 | 2008-07-14 20:13:48 +0200 | [diff] [blame] | 3689 | |
Andrei Emeltchenko | cc11b9c | 2010-11-22 13:21:37 +0200 | [diff] [blame] | 3690 | ie = hci_inquiry_cache_lookup(hdev, &conn->dst); |
| 3691 | if (ie) |
Johan Hedberg | 02b7cc6 | 2012-02-28 02:28:43 +0200 | [diff] [blame] | 3692 | ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP); |
Marcel Holtmann | 769be97 | 2008-07-14 20:13:49 +0200 | [diff] [blame] | 3693 | |
Jaganath Kanakkassery | bbb0ead | 2013-04-16 20:16:30 +0530 | [diff] [blame] | 3694 | if (ev->features[0] & LMP_HOST_SSP) { |
Johan Hedberg | 58a681e | 2012-01-16 06:47:28 +0200 | [diff] [blame] | 3695 | set_bit(HCI_CONN_SSP_ENABLED, &conn->flags); |
Jaganath Kanakkassery | bbb0ead | 2013-04-16 20:16:30 +0530 | [diff] [blame] | 3696 | } 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 Holtmann | eb9a8f3 | 2014-01-15 22:37:38 -0800 | [diff] [blame] | 3707 | |
| 3708 | if (ev->features[0] & LMP_HOST_SC) |
| 3709 | set_bit(HCI_CONN_SC_ENABLED, &conn->flags); |
Marcel Holtmann | 41a9621 | 2008-07-14 20:13:48 +0200 | [diff] [blame] | 3710 | } |
| 3711 | |
Johan Hedberg | ccd556f | 2010-11-10 17:11:51 +0200 | [diff] [blame] | 3712 | if (conn->state != BT_CONFIG) |
| 3713 | goto unlock; |
| 3714 | |
Johan Hedberg | 671267b | 2012-05-12 16:11:50 -0300 | [diff] [blame] | 3715 | if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) { |
Johan Hedberg | 127178d | 2010-11-18 22:22:29 +0200 | [diff] [blame] | 3716 | 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 Hedberg | b644ba3 | 2012-01-17 21:48:47 +0200 | [diff] [blame] | 3721 | } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) |
Alfonso Acosta | 48ec92f | 2014-10-07 08:44:10 +0000 | [diff] [blame] | 3722 | mgmt_device_connected(hdev, conn, 0, NULL, 0); |
Johan Hedberg | 392599b | 2010-11-18 22:22:28 +0200 | [diff] [blame] | 3723 | |
Johan Hedberg | 127178d | 2010-11-18 22:22:29 +0200 | [diff] [blame] | 3724 | if (!hci_outgoing_auth_needed(hdev, conn)) { |
Johan Hedberg | ccd556f | 2010-11-10 17:11:51 +0200 | [diff] [blame] | 3725 | conn->state = BT_CONNECTED; |
Johan Hedberg | 539c496 | 2015-02-18 14:53:57 +0200 | [diff] [blame] | 3726 | hci_connect_cfm(conn, ev->status); |
David Herrmann | 76a68ba | 2013-04-06 20:28:37 +0200 | [diff] [blame] | 3727 | hci_conn_drop(conn); |
Johan Hedberg | ccd556f | 2010-11-10 17:11:51 +0200 | [diff] [blame] | 3728 | } |
| 3729 | |
| 3730 | unlock: |
Marcel Holtmann | 41a9621 | 2008-07-14 20:13:48 +0200 | [diff] [blame] | 3731 | hci_dev_unlock(hdev); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 3732 | } |
| 3733 | |
Gustavo Padovan | 6039aa73 | 2012-05-23 04:04:18 -0300 | [diff] [blame] | 3734 | static void hci_sync_conn_complete_evt(struct hci_dev *hdev, |
| 3735 | struct sk_buff *skb) |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 3736 | { |
Marcel Holtmann | b6a0dc8 | 2007-10-20 14:55:10 +0200 | [diff] [blame] | 3737 | struct hci_ev_sync_conn_complete *ev = (void *) skb->data; |
| 3738 | struct hci_conn *conn; |
| 3739 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 3740 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
Marcel Holtmann | b6a0dc8 | 2007-10-20 14:55:10 +0200 | [diff] [blame] | 3741 | |
| 3742 | hci_dev_lock(hdev); |
| 3743 | |
| 3744 | conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr); |
Marcel Holtmann | 9dc0a3a | 2008-07-14 20:13:46 +0200 | [diff] [blame] | 3745 | if (!conn) { |
| 3746 | if (ev->link_type == ESCO_LINK) |
| 3747 | goto unlock; |
| 3748 | |
Kuba Pawlak | 618353b | 2015-08-28 13:05:22 +0100 | [diff] [blame] | 3749 | /* 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 Holtmann | 9dc0a3a | 2008-07-14 20:13:46 +0200 | [diff] [blame] | 3758 | conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr); |
| 3759 | if (!conn) |
| 3760 | goto unlock; |
Marcel Holtmann | 9dc0a3a | 2008-07-14 20:13:46 +0200 | [diff] [blame] | 3761 | } |
Marcel Holtmann | b6a0dc8 | 2007-10-20 14:55:10 +0200 | [diff] [blame] | 3762 | |
Marcel Holtmann | 732547f | 2009-04-19 19:14:14 +0200 | [diff] [blame] | 3763 | switch (ev->status) { |
| 3764 | case 0x00: |
Marcel Holtmann | b6a0dc8 | 2007-10-20 14:55:10 +0200 | [diff] [blame] | 3765 | conn->handle = __le16_to_cpu(ev->handle); |
| 3766 | conn->state = BT_CONNECTED; |
Kuba Pawlak | 618353b | 2015-08-28 13:05:22 +0100 | [diff] [blame] | 3767 | conn->type = ev->link_type; |
Marcel Holtmann | 7d0db0a | 2008-07-14 20:13:51 +0200 | [diff] [blame] | 3768 | |
Marcel Holtmann | 23b9ceb | 2014-12-20 17:13:41 +0100 | [diff] [blame] | 3769 | hci_debugfs_create_conn(conn); |
Marcel Holtmann | 7d0db0a | 2008-07-14 20:13:51 +0200 | [diff] [blame] | 3770 | hci_conn_add_sysfs(conn); |
Marcel Holtmann | 732547f | 2009-04-19 19:14:14 +0200 | [diff] [blame] | 3771 | break; |
| 3772 | |
Nick Pelly | 81218d2 | 2014-06-30 11:25:01 +0530 | [diff] [blame] | 3773 | case 0x10: /* Connection Accept Timeout */ |
Frédéric Dalleau | 1a4c958 | 2013-08-19 14:24:02 +0200 | [diff] [blame] | 3774 | case 0x0d: /* Connection Rejected due to Limited Resources */ |
Stephen Coe | 705e571 | 2010-02-16 11:29:44 -0500 | [diff] [blame] | 3775 | case 0x11: /* Unsupported Feature or Parameter Value */ |
Marcel Holtmann | 732547f | 2009-04-19 19:14:14 +0200 | [diff] [blame] | 3776 | case 0x1c: /* SCO interval rejected */ |
Nick Pelly | 1038a00 | 2010-02-03 11:42:26 -0800 | [diff] [blame] | 3777 | case 0x1a: /* Unsupported Remote Feature */ |
Marcel Holtmann | 732547f | 2009-04-19 19:14:14 +0200 | [diff] [blame] | 3778 | case 0x1f: /* Unspecified error */ |
Andrew Earl | 27539bc | 2014-03-10 10:31:04 +0000 | [diff] [blame] | 3779 | case 0x20: /* Unsupported LMP Parameter value */ |
Frédéric Dalleau | 2dea632 | 2013-08-19 14:24:03 +0200 | [diff] [blame] | 3780 | if (conn->out) { |
Marcel Holtmann | 732547f | 2009-04-19 19:14:14 +0200 | [diff] [blame] | 3781 | conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) | |
| 3782 | (hdev->esco_type & EDR_ESCO_MASK); |
Frédéric Dalleau | 2dea632 | 2013-08-19 14:24:03 +0200 | [diff] [blame] | 3783 | if (hci_setup_sync(conn, conn->link->handle)) |
| 3784 | goto unlock; |
Marcel Holtmann | 732547f | 2009-04-19 19:14:14 +0200 | [diff] [blame] | 3785 | } |
| 3786 | /* fall through */ |
| 3787 | |
| 3788 | default: |
Marcel Holtmann | b6a0dc8 | 2007-10-20 14:55:10 +0200 | [diff] [blame] | 3789 | conn->state = BT_CLOSED; |
Marcel Holtmann | 732547f | 2009-04-19 19:14:14 +0200 | [diff] [blame] | 3790 | break; |
| 3791 | } |
Marcel Holtmann | b6a0dc8 | 2007-10-20 14:55:10 +0200 | [diff] [blame] | 3792 | |
Johan Hedberg | 539c496 | 2015-02-18 14:53:57 +0200 | [diff] [blame] | 3793 | hci_connect_cfm(conn, ev->status); |
Marcel Holtmann | b6a0dc8 | 2007-10-20 14:55:10 +0200 | [diff] [blame] | 3794 | if (ev->status) |
| 3795 | hci_conn_del(conn); |
| 3796 | |
| 3797 | unlock: |
| 3798 | hci_dev_unlock(hdev); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 3799 | } |
| 3800 | |
Marcel Holtmann | efdcf8e | 2013-10-15 10:31:12 -0700 | [diff] [blame] | 3801 | static 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 Padovan | 6039aa73 | 2012-05-23 04:04:18 -0300 | [diff] [blame] | 3818 | static void hci_extended_inquiry_result_evt(struct hci_dev *hdev, |
| 3819 | struct sk_buff *skb) |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 3820 | { |
| 3821 | struct inquiry_data data; |
| 3822 | struct extended_inquiry_info *info = (void *) (skb->data + 1); |
| 3823 | int num_rsp = *((__u8 *) skb->data); |
Vishal Agarwal | 9d939d9 | 2012-04-26 19:19:56 +0530 | [diff] [blame] | 3824 | size_t eir_len; |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 3825 | |
| 3826 | BT_DBG("%s num_rsp %d", hdev->name, num_rsp); |
| 3827 | |
| 3828 | if (!num_rsp) |
| 3829 | return; |
| 3830 | |
Marcel Holtmann | d7a5a11 | 2015-03-13 02:11:00 -0700 | [diff] [blame] | 3831 | if (hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) |
Andre Guedes | 1519cc1 | 2012-03-21 00:03:38 -0300 | [diff] [blame] | 3832 | return; |
| 3833 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 3834 | hci_dev_lock(hdev); |
| 3835 | |
Johan Hedberg | e17acd4 | 2011-03-30 23:57:16 +0300 | [diff] [blame] | 3836 | for (; num_rsp; num_rsp--, info++) { |
Marcel Holtmann | af58925 | 2014-07-01 14:11:20 +0200 | [diff] [blame] | 3837 | u32 flags; |
| 3838 | bool name_known; |
Johan Hedberg | 561aafb | 2012-01-04 13:31:59 +0200 | [diff] [blame] | 3839 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 3840 | bacpy(&data.bdaddr, &info->bdaddr); |
Szymon Janc | 138d22e | 2011-02-17 16:44:23 +0100 | [diff] [blame] | 3841 | data.pscan_rep_mode = info->pscan_rep_mode; |
| 3842 | data.pscan_period_mode = info->pscan_period_mode; |
| 3843 | data.pscan_mode = 0x00; |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 3844 | memcpy(data.dev_class, info->dev_class, 3); |
Szymon Janc | 138d22e | 2011-02-17 16:44:23 +0100 | [diff] [blame] | 3845 | data.clock_offset = info->clock_offset; |
| 3846 | data.rssi = info->rssi; |
Marcel Holtmann | 41a9621 | 2008-07-14 20:13:48 +0200 | [diff] [blame] | 3847 | data.ssp_mode = 0x01; |
Johan Hedberg | 561aafb | 2012-01-04 13:31:59 +0200 | [diff] [blame] | 3848 | |
Marcel Holtmann | d7a5a11 | 2015-03-13 02:11:00 -0700 | [diff] [blame] | 3849 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
Johan Hedberg | 0d3b7f6 | 2016-01-05 13:19:31 +0200 | [diff] [blame] | 3850 | name_known = eir_get_data(info->data, |
| 3851 | sizeof(info->data), |
| 3852 | EIR_NAME_COMPLETE, NULL); |
Johan Hedberg | 561aafb | 2012-01-04 13:31:59 +0200 | [diff] [blame] | 3853 | else |
| 3854 | name_known = true; |
| 3855 | |
Marcel Holtmann | af58925 | 2014-07-01 14:11:20 +0200 | [diff] [blame] | 3856 | flags = hci_inquiry_cache_update(hdev, &data, name_known); |
| 3857 | |
Vishal Agarwal | 9d939d9 | 2012-04-26 19:19:56 +0530 | [diff] [blame] | 3858 | eir_len = eir_get_length(info->data, sizeof(info->data)); |
Marcel Holtmann | af58925 | 2014-07-01 14:11:20 +0200 | [diff] [blame] | 3859 | |
Johan Hedberg | 48264f0 | 2011-11-09 13:58:58 +0200 | [diff] [blame] | 3860 | mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00, |
Marcel Holtmann | af58925 | 2014-07-01 14:11:20 +0200 | [diff] [blame] | 3861 | info->dev_class, info->rssi, |
| 3862 | flags, info->data, eir_len, NULL, 0); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 3863 | } |
| 3864 | |
| 3865 | hci_dev_unlock(hdev); |
| 3866 | } |
| 3867 | |
Johan Hedberg | 1c2e004 | 2012-06-08 23:31:13 +0800 | [diff] [blame] | 3868 | static 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 Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 3874 | BT_DBG("%s status 0x%2.2x handle 0x%4.4x", hdev->name, ev->status, |
Johan Hedberg | 1c2e004 | 2012-06-08 23:31:13 +0800 | [diff] [blame] | 3875 | __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 Hedberg | 9eb1fbf | 2014-04-11 12:02:31 -0700 | [diff] [blame] | 3883 | /* 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 Hedberg | 1c2e004 | 2012-06-08 23:31:13 +0800 | [diff] [blame] | 3889 | 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 Guedes | bed7174 | 2013-01-30 11:50:56 -0300 | [diff] [blame] | 3895 | hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE); |
David Herrmann | 76a68ba | 2013-04-06 20:28:37 +0200 | [diff] [blame] | 3896 | hci_conn_drop(conn); |
Johan Hedberg | 1c2e004 | 2012-06-08 23:31:13 +0800 | [diff] [blame] | 3897 | goto unlock; |
| 3898 | } |
| 3899 | |
| 3900 | if (conn->state == BT_CONFIG) { |
| 3901 | if (!ev->status) |
| 3902 | conn->state = BT_CONNECTED; |
| 3903 | |
Johan Hedberg | 539c496 | 2015-02-18 14:53:57 +0200 | [diff] [blame] | 3904 | hci_connect_cfm(conn, ev->status); |
David Herrmann | 76a68ba | 2013-04-06 20:28:37 +0200 | [diff] [blame] | 3905 | hci_conn_drop(conn); |
Johan Hedberg | 1c2e004 | 2012-06-08 23:31:13 +0800 | [diff] [blame] | 3906 | } else { |
| 3907 | hci_auth_cfm(conn, ev->status); |
| 3908 | |
| 3909 | hci_conn_hold(conn); |
| 3910 | conn->disc_timeout = HCI_DISCONN_TIMEOUT; |
David Herrmann | 76a68ba | 2013-04-06 20:28:37 +0200 | [diff] [blame] | 3911 | hci_conn_drop(conn); |
Johan Hedberg | 1c2e004 | 2012-06-08 23:31:13 +0800 | [diff] [blame] | 3912 | } |
| 3913 | |
| 3914 | unlock: |
| 3915 | hci_dev_unlock(hdev); |
| 3916 | } |
| 3917 | |
Gustavo Padovan | 6039aa73 | 2012-05-23 04:04:18 -0300 | [diff] [blame] | 3918 | static u8 hci_get_auth_req(struct hci_conn *conn) |
Johan Hedberg | 17fa4b9 | 2011-01-25 13:28:33 +0200 | [diff] [blame] | 3919 | { |
Johan Hedberg | 17fa4b9 | 2011-01-25 13:28:33 +0200 | [diff] [blame] | 3920 | /* If remote requests no-bonding follow that lead */ |
Mikel Astiz | acabae9 | 2013-06-28 10:56:28 +0200 | [diff] [blame] | 3921 | if (conn->remote_auth == HCI_AT_NO_BONDING || |
| 3922 | conn->remote_auth == HCI_AT_NO_BONDING_MITM) |
Waldemar Rymarkiewicz | 58797bf | 2011-04-28 12:07:58 +0200 | [diff] [blame] | 3923 | return conn->remote_auth | (conn->auth_type & 0x01); |
Johan Hedberg | 17fa4b9 | 2011-01-25 13:28:33 +0200 | [diff] [blame] | 3924 | |
Mikel Astiz | b7f94c8 | 2014-04-08 14:21:31 +0200 | [diff] [blame] | 3925 | /* 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 Mueller | 7e74170 | 2014-04-08 14:21:33 +0200 | [diff] [blame] | 3932 | /* No MITM protection possible so ignore remote requirement */ |
| 3933 | return (conn->remote_auth & ~0x01) | (conn->auth_type & 0x01); |
Johan Hedberg | 17fa4b9 | 2011-01-25 13:28:33 +0200 | [diff] [blame] | 3934 | } |
| 3935 | |
Marcel Holtmann | a83ed81e | 2015-01-27 16:04:32 -0800 | [diff] [blame] | 3936 | static 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 Holtmann | 455c2ff | 2015-03-15 16:42:53 -0700 | [diff] [blame] | 3945 | 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 Holtmann | 659c7fb | 2015-01-30 23:20:56 -0800 | [diff] [blame] | 3951 | */ |
Marcel Holtmann | 455c2ff | 2015-03-15 16:42:53 -0700 | [diff] [blame] | 3952 | 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 Holtmann | 659c7fb | 2015-01-30 23:20:56 -0800 | [diff] [blame] | 3962 | return 0x00; |
| 3963 | |
Marcel Holtmann | 455c2ff | 2015-03-15 16:42:53 -0700 | [diff] [blame] | 3964 | return 0x02; |
Marcel Holtmann | 659c7fb | 2015-01-30 23:20:56 -0800 | [diff] [blame] | 3965 | } |
Marcel Holtmann | a83ed81e | 2015-01-27 16:04:32 -0800 | [diff] [blame] | 3966 | |
Marcel Holtmann | 455c2ff | 2015-03-15 16:42:53 -0700 | [diff] [blame] | 3967 | /* 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 Holtmann | a83ed81e | 2015-01-27 16:04:32 -0800 | [diff] [blame] | 3976 | } |
| 3977 | |
Gustavo Padovan | 6039aa73 | 2012-05-23 04:04:18 -0300 | [diff] [blame] | 3978 | static void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb) |
Marcel Holtmann | 0493684 | 2008-07-14 20:13:48 +0200 | [diff] [blame] | 3979 | { |
| 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 Hedberg | 03b555e | 2011-01-04 15:40:05 +0200 | [diff] [blame] | 3988 | if (!conn) |
| 3989 | goto unlock; |
Marcel Holtmann | 0493684 | 2008-07-14 20:13:48 +0200 | [diff] [blame] | 3990 | |
Johan Hedberg | 03b555e | 2011-01-04 15:40:05 +0200 | [diff] [blame] | 3991 | hci_conn_hold(conn); |
| 3992 | |
Marcel Holtmann | d7a5a11 | 2015-03-13 02:11:00 -0700 | [diff] [blame] | 3993 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
Johan Hedberg | 03b555e | 2011-01-04 15:40:05 +0200 | [diff] [blame] | 3994 | goto unlock; |
| 3995 | |
Johan Hedberg | 2f407f0 | 2014-07-17 15:35:40 +0300 | [diff] [blame] | 3996 | /* Allow pairing if we're pairable, the initiators of the |
| 3997 | * pairing or if the remote is not requesting bonding. |
| 3998 | */ |
Marcel Holtmann | d7a5a11 | 2015-03-13 02:11:00 -0700 | [diff] [blame] | 3999 | if (hci_dev_test_flag(hdev, HCI_BONDABLE) || |
Johan Hedberg | 2f407f0 | 2014-07-17 15:35:40 +0300 | [diff] [blame] | 4000 | test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags) || |
Gustavo Padovan | 807deac | 2012-05-17 00:36:24 -0300 | [diff] [blame] | 4001 | (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) { |
Johan Hedberg | 17fa4b9 | 2011-01-25 13:28:33 +0200 | [diff] [blame] | 4002 | struct hci_cp_io_capability_reply cp; |
| 4003 | |
| 4004 | bacpy(&cp.bdaddr, &ev->bdaddr); |
Hemant Gupta | 7a7f1e7 | 2012-01-16 13:34:29 +0530 | [diff] [blame] | 4005 | /* 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 Astiz | a767631 | 2013-06-28 10:56:29 +0200 | [diff] [blame] | 4008 | HCI_IO_DISPLAY_YESNO : conn->io_capability; |
Mikel Astiz | b7f94c8 | 2014-04-08 14:21:31 +0200 | [diff] [blame] | 4009 | |
| 4010 | /* If we are initiators, there is no remote information yet */ |
| 4011 | if (conn->remote_auth == 0xff) { |
Mikel Astiz | b16c660 | 2014-04-08 14:21:34 +0200 | [diff] [blame] | 4012 | /* Request MITM protection if our IO caps allow it |
Johan Hedberg | 4ad51a7 | 2014-06-09 14:41:25 +0300 | [diff] [blame] | 4013 | * except for the no-bonding case. |
Mikel Astiz | b16c660 | 2014-04-08 14:21:34 +0200 | [diff] [blame] | 4014 | */ |
Mikel Astiz | 6fd6b91 | 2014-04-08 14:21:32 +0200 | [diff] [blame] | 4015 | if (conn->io_capability != HCI_IO_NO_INPUT_OUTPUT && |
Johan Hedberg | 9f743d7 | 2014-07-17 11:56:33 +0300 | [diff] [blame] | 4016 | conn->auth_type != HCI_AT_NO_BONDING) |
Johan Hedberg | 6c53823 | 2014-07-11 15:32:23 +0300 | [diff] [blame] | 4017 | conn->auth_type |= 0x01; |
Mikel Astiz | b7f94c8 | 2014-04-08 14:21:31 +0200 | [diff] [blame] | 4018 | } else { |
| 4019 | conn->auth_type = hci_get_auth_req(conn); |
Mikel Astiz | b7f94c8 | 2014-04-08 14:21:31 +0200 | [diff] [blame] | 4020 | } |
Johan Hedberg | 17fa4b9 | 2011-01-25 13:28:33 +0200 | [diff] [blame] | 4021 | |
Johan Hedberg | 82c295b | 2014-07-30 09:22:24 +0300 | [diff] [blame] | 4022 | /* If we're not bondable, force one of the non-bondable |
| 4023 | * authentication requirement values. |
| 4024 | */ |
Marcel Holtmann | d7a5a11 | 2015-03-13 02:11:00 -0700 | [diff] [blame] | 4025 | if (!hci_dev_test_flag(hdev, HCI_BONDABLE)) |
Johan Hedberg | 82c295b | 2014-07-30 09:22:24 +0300 | [diff] [blame] | 4026 | conn->auth_type &= HCI_AT_NO_BONDING_MITM; |
| 4027 | |
| 4028 | cp.authentication = conn->auth_type; |
Marcel Holtmann | a83ed81e | 2015-01-27 16:04:32 -0800 | [diff] [blame] | 4029 | cp.oob_data = bredr_oob_data_present(conn); |
Szymon Janc | ce85ee1 | 2011-03-22 13:12:23 +0100 | [diff] [blame] | 4030 | |
Johan Hedberg | 17fa4b9 | 2011-01-25 13:28:33 +0200 | [diff] [blame] | 4031 | hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY, |
Gustavo Padovan | 807deac | 2012-05-17 00:36:24 -0300 | [diff] [blame] | 4032 | sizeof(cp), &cp); |
Johan Hedberg | 03b555e | 2011-01-04 15:40:05 +0200 | [diff] [blame] | 4033 | } else { |
| 4034 | struct hci_cp_io_capability_neg_reply cp; |
| 4035 | |
| 4036 | bacpy(&cp.bdaddr, &ev->bdaddr); |
Andrei Emeltchenko | 9f5a0d7 | 2011-11-07 14:20:25 +0200 | [diff] [blame] | 4037 | cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED; |
Johan Hedberg | 03b555e | 2011-01-04 15:40:05 +0200 | [diff] [blame] | 4038 | |
| 4039 | hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY, |
Gustavo Padovan | 807deac | 2012-05-17 00:36:24 -0300 | [diff] [blame] | 4040 | sizeof(cp), &cp); |
Johan Hedberg | 03b555e | 2011-01-04 15:40:05 +0200 | [diff] [blame] | 4041 | } |
| 4042 | |
| 4043 | unlock: |
| 4044 | hci_dev_unlock(hdev); |
| 4045 | } |
| 4046 | |
Gustavo Padovan | 6039aa73 | 2012-05-23 04:04:18 -0300 | [diff] [blame] | 4047 | static void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb) |
Johan Hedberg | 03b555e | 2011-01-04 15:40:05 +0200 | [diff] [blame] | 4048 | { |
| 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 Hedberg | 03b555e | 2011-01-04 15:40:05 +0200 | [diff] [blame] | 4060 | conn->remote_cap = ev->capability; |
Johan Hedberg | 03b555e | 2011-01-04 15:40:05 +0200 | [diff] [blame] | 4061 | conn->remote_auth = ev->authentication; |
| 4062 | |
| 4063 | unlock: |
Marcel Holtmann | 0493684 | 2008-07-14 20:13:48 +0200 | [diff] [blame] | 4064 | hci_dev_unlock(hdev); |
| 4065 | } |
| 4066 | |
Gustavo Padovan | 6039aa73 | 2012-05-23 04:04:18 -0300 | [diff] [blame] | 4067 | static void hci_user_confirm_request_evt(struct hci_dev *hdev, |
| 4068 | struct sk_buff *skb) |
Johan Hedberg | a5c2968 | 2011-02-19 12:05:57 -0300 | [diff] [blame] | 4069 | { |
| 4070 | struct hci_ev_user_confirm_req *ev = (void *) skb->data; |
Johan Hedberg | 55bc1a3 | 2011-04-28 11:28:56 -0700 | [diff] [blame] | 4071 | int loc_mitm, rem_mitm, confirm_hint = 0; |
Johan Hedberg | 7a82890 | 2011-04-28 11:28:53 -0700 | [diff] [blame] | 4072 | struct hci_conn *conn; |
Johan Hedberg | a5c2968 | 2011-02-19 12:05:57 -0300 | [diff] [blame] | 4073 | |
| 4074 | BT_DBG("%s", hdev->name); |
| 4075 | |
| 4076 | hci_dev_lock(hdev); |
| 4077 | |
Marcel Holtmann | d7a5a11 | 2015-03-13 02:11:00 -0700 | [diff] [blame] | 4078 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
Johan Hedberg | 7a82890 | 2011-04-28 11:28:53 -0700 | [diff] [blame] | 4079 | goto unlock; |
Johan Hedberg | a5c2968 | 2011-02-19 12:05:57 -0300 | [diff] [blame] | 4080 | |
Johan Hedberg | 7a82890 | 2011-04-28 11:28:53 -0700 | [diff] [blame] | 4081 | 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 Hedberg | 6c53823 | 2014-07-11 15:32:23 +0300 | [diff] [blame] | 4089 | * (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 Astiz | 6fd6b91 | 2014-04-08 14:21:32 +0200 | [diff] [blame] | 4092 | */ |
Johan Hedberg | 6c53823 | 2014-07-11 15:32:23 +0300 | [diff] [blame] | 4093 | if (conn->pending_sec_level > BT_SECURITY_MEDIUM && |
| 4094 | conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) { |
Johan Hedberg | 7a82890 | 2011-04-28 11:28:53 -0700 | [diff] [blame] | 4095 | BT_DBG("Rejecting request: remote device can't provide MITM"); |
| 4096 | hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY, |
Gustavo Padovan | 807deac | 2012-05-17 00:36:24 -0300 | [diff] [blame] | 4097 | sizeof(ev->bdaddr), &ev->bdaddr); |
Johan Hedberg | 7a82890 | 2011-04-28 11:28:53 -0700 | [diff] [blame] | 4098 | goto unlock; |
| 4099 | } |
| 4100 | |
| 4101 | /* If no side requires MITM protection; auto-accept */ |
Mikel Astiz | a767631 | 2013-06-28 10:56:29 +0200 | [diff] [blame] | 4102 | if ((!loc_mitm || conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) && |
| 4103 | (!rem_mitm || conn->io_capability == HCI_IO_NO_INPUT_OUTPUT)) { |
Johan Hedberg | 55bc1a3 | 2011-04-28 11:28:56 -0700 | [diff] [blame] | 4104 | |
| 4105 | /* If we're not the initiators request authorization to |
| 4106 | * proceed from user space (mgmt_user_confirm with |
Johan Hedberg | ba15a58 | 2014-06-09 13:58:14 +0300 | [diff] [blame] | 4107 | * confirm_hint set to 1). The exception is if neither |
Johan Hedberg | 02f3e25 | 2014-07-16 15:09:13 +0300 | [diff] [blame] | 4108 | * side had MITM or if the local IO capability is |
| 4109 | * NoInputNoOutput, in which case we do auto-accept |
Johan Hedberg | ba15a58 | 2014-06-09 13:58:14 +0300 | [diff] [blame] | 4110 | */ |
| 4111 | if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && |
Johan Hedberg | 02f3e25 | 2014-07-16 15:09:13 +0300 | [diff] [blame] | 4112 | conn->io_capability != HCI_IO_NO_INPUT_OUTPUT && |
Johan Hedberg | ba15a58 | 2014-06-09 13:58:14 +0300 | [diff] [blame] | 4113 | (loc_mitm || rem_mitm)) { |
Johan Hedberg | 55bc1a3 | 2011-04-28 11:28:56 -0700 | [diff] [blame] | 4114 | BT_DBG("Confirming auto-accept as acceptor"); |
| 4115 | confirm_hint = 1; |
| 4116 | goto confirm; |
| 4117 | } |
| 4118 | |
Johan Hedberg | 9f61656 | 2011-04-28 11:28:54 -0700 | [diff] [blame] | 4119 | BT_DBG("Auto-accept of user confirmation with %ums delay", |
Gustavo Padovan | 807deac | 2012-05-17 00:36:24 -0300 | [diff] [blame] | 4120 | hdev->auto_accept_delay); |
Johan Hedberg | 9f61656 | 2011-04-28 11:28:54 -0700 | [diff] [blame] | 4121 | |
| 4122 | if (hdev->auto_accept_delay > 0) { |
| 4123 | int delay = msecs_to_jiffies(hdev->auto_accept_delay); |
Johan Hedberg | 7bc18d9 | 2013-10-16 18:11:39 +0300 | [diff] [blame] | 4124 | queue_delayed_work(conn->hdev->workqueue, |
| 4125 | &conn->auto_accept_work, delay); |
Johan Hedberg | 9f61656 | 2011-04-28 11:28:54 -0700 | [diff] [blame] | 4126 | goto unlock; |
| 4127 | } |
| 4128 | |
Johan Hedberg | 7a82890 | 2011-04-28 11:28:53 -0700 | [diff] [blame] | 4129 | hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY, |
Gustavo Padovan | 807deac | 2012-05-17 00:36:24 -0300 | [diff] [blame] | 4130 | sizeof(ev->bdaddr), &ev->bdaddr); |
Johan Hedberg | 7a82890 | 2011-04-28 11:28:53 -0700 | [diff] [blame] | 4131 | goto unlock; |
| 4132 | } |
| 4133 | |
Johan Hedberg | 55bc1a3 | 2011-04-28 11:28:56 -0700 | [diff] [blame] | 4134 | confirm: |
Johan Hedberg | 39adbff | 2014-03-20 08:18:14 +0200 | [diff] [blame] | 4135 | mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0, |
| 4136 | le32_to_cpu(ev->passkey), confirm_hint); |
Johan Hedberg | 7a82890 | 2011-04-28 11:28:53 -0700 | [diff] [blame] | 4137 | |
| 4138 | unlock: |
Johan Hedberg | a5c2968 | 2011-02-19 12:05:57 -0300 | [diff] [blame] | 4139 | hci_dev_unlock(hdev); |
| 4140 | } |
| 4141 | |
Gustavo Padovan | 6039aa73 | 2012-05-23 04:04:18 -0300 | [diff] [blame] | 4142 | static void hci_user_passkey_request_evt(struct hci_dev *hdev, |
| 4143 | struct sk_buff *skb) |
Brian Gix | 1143d45 | 2011-11-23 08:28:34 -0800 | [diff] [blame] | 4144 | { |
| 4145 | struct hci_ev_user_passkey_req *ev = (void *) skb->data; |
| 4146 | |
| 4147 | BT_DBG("%s", hdev->name); |
| 4148 | |
Marcel Holtmann | d7a5a11 | 2015-03-13 02:11:00 -0700 | [diff] [blame] | 4149 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
Johan Hedberg | 272d90d | 2012-02-09 15:26:12 +0200 | [diff] [blame] | 4150 | mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0); |
Brian Gix | 1143d45 | 2011-11-23 08:28:34 -0800 | [diff] [blame] | 4151 | } |
| 4152 | |
Johan Hedberg | 92a2525 | 2012-09-06 18:39:26 +0300 | [diff] [blame] | 4153 | static 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 Holtmann | d7a5a11 | 2015-03-13 02:11:00 -0700 | [diff] [blame] | 4168 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
Johan Hedberg | 92a2525 | 2012-09-06 18:39:26 +0300 | [diff] [blame] | 4169 | mgmt_user_passkey_notify(hdev, &conn->dst, conn->type, |
| 4170 | conn->dst_type, conn->passkey_notify, |
| 4171 | conn->passkey_entered); |
| 4172 | } |
| 4173 | |
| 4174 | static 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 Holtmann | d7a5a11 | 2015-03-13 02:11:00 -0700 | [diff] [blame] | 4206 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
Johan Hedberg | 92a2525 | 2012-09-06 18:39:26 +0300 | [diff] [blame] | 4207 | mgmt_user_passkey_notify(hdev, &conn->dst, conn->type, |
| 4208 | conn->dst_type, conn->passkey_notify, |
| 4209 | conn->passkey_entered); |
| 4210 | } |
| 4211 | |
Gustavo Padovan | 6039aa73 | 2012-05-23 04:04:18 -0300 | [diff] [blame] | 4212 | static void hci_simple_pair_complete_evt(struct hci_dev *hdev, |
| 4213 | struct sk_buff *skb) |
Marcel Holtmann | 0493684 | 2008-07-14 20:13:48 +0200 | [diff] [blame] | 4214 | { |
| 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 Hedberg | 2a61169 | 2011-02-19 12:06:00 -0300 | [diff] [blame] | 4223 | if (!conn) |
| 4224 | goto unlock; |
Marcel Holtmann | 0493684 | 2008-07-14 20:13:48 +0200 | [diff] [blame] | 4225 | |
Johan Hedberg | c1d4fa7 | 2014-07-17 15:14:50 +0300 | [diff] [blame] | 4226 | /* Reset the authentication requirement to unknown */ |
| 4227 | conn->remote_auth = 0xff; |
| 4228 | |
Johan Hedberg | 2a61169 | 2011-02-19 12:06:00 -0300 | [diff] [blame] | 4229 | /* 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 Astiz | fa1bd91 | 2012-08-09 09:52:29 +0200 | [diff] [blame] | 4234 | if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && ev->status) |
Johan Hedberg | e1e930f | 2014-09-08 17:09:49 -0700 | [diff] [blame] | 4235 | mgmt_auth_failed(conn, ev->status); |
Johan Hedberg | 2a61169 | 2011-02-19 12:06:00 -0300 | [diff] [blame] | 4236 | |
David Herrmann | 76a68ba | 2013-04-06 20:28:37 +0200 | [diff] [blame] | 4237 | hci_conn_drop(conn); |
Johan Hedberg | 2a61169 | 2011-02-19 12:06:00 -0300 | [diff] [blame] | 4238 | |
| 4239 | unlock: |
Marcel Holtmann | 0493684 | 2008-07-14 20:13:48 +0200 | [diff] [blame] | 4240 | hci_dev_unlock(hdev); |
| 4241 | } |
| 4242 | |
Gustavo Padovan | 6039aa73 | 2012-05-23 04:04:18 -0300 | [diff] [blame] | 4243 | static void hci_remote_host_features_evt(struct hci_dev *hdev, |
| 4244 | struct sk_buff *skb) |
Marcel Holtmann | 41a9621 | 2008-07-14 20:13:48 +0200 | [diff] [blame] | 4245 | { |
| 4246 | struct hci_ev_remote_host_features *ev = (void *) skb->data; |
| 4247 | struct inquiry_entry *ie; |
Johan Hedberg | cad718e | 2013-04-17 15:00:51 +0300 | [diff] [blame] | 4248 | struct hci_conn *conn; |
Marcel Holtmann | 41a9621 | 2008-07-14 20:13:48 +0200 | [diff] [blame] | 4249 | |
| 4250 | BT_DBG("%s", hdev->name); |
| 4251 | |
| 4252 | hci_dev_lock(hdev); |
| 4253 | |
Johan Hedberg | cad718e | 2013-04-17 15:00:51 +0300 | [diff] [blame] | 4254 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); |
| 4255 | if (conn) |
| 4256 | memcpy(conn->features[1], ev->features, 8); |
| 4257 | |
Andrei Emeltchenko | cc11b9c | 2010-11-22 13:21:37 +0200 | [diff] [blame] | 4258 | ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr); |
| 4259 | if (ie) |
Johan Hedberg | 02b7cc6 | 2012-02-28 02:28:43 +0200 | [diff] [blame] | 4260 | ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP); |
Marcel Holtmann | 41a9621 | 2008-07-14 20:13:48 +0200 | [diff] [blame] | 4261 | |
| 4262 | hci_dev_unlock(hdev); |
| 4263 | } |
| 4264 | |
Gustavo Padovan | 6039aa73 | 2012-05-23 04:04:18 -0300 | [diff] [blame] | 4265 | static void hci_remote_oob_data_request_evt(struct hci_dev *hdev, |
| 4266 | struct sk_buff *skb) |
Szymon Janc | 2763eda | 2011-03-22 13:12:22 +0100 | [diff] [blame] | 4267 | { |
| 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 Holtmann | d7a5a11 | 2015-03-13 02:11:00 -0700 | [diff] [blame] | 4275 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
Szymon Janc | e1ba1f1 | 2011-04-06 13:01:59 +0200 | [diff] [blame] | 4276 | goto unlock; |
| 4277 | |
Johan Hedberg | 6928a92 | 2014-10-26 20:46:09 +0100 | [diff] [blame] | 4278 | data = hci_find_remote_oob_data(hdev, &ev->bdaddr, BDADDR_BREDR); |
Marcel Holtmann | 6665d05 | 2015-01-27 16:04:31 -0800 | [diff] [blame] | 4279 | if (!data) { |
Szymon Janc | 2763eda | 2011-03-22 13:12:22 +0100 | [diff] [blame] | 4280 | struct hci_cp_remote_oob_data_neg_reply cp; |
| 4281 | |
| 4282 | bacpy(&cp.bdaddr, &ev->bdaddr); |
Marcel Holtmann | 519ca9d | 2014-01-10 02:07:28 -0800 | [diff] [blame] | 4283 | hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY, |
| 4284 | sizeof(cp), &cp); |
Marcel Holtmann | 6665d05 | 2015-01-27 16:04:31 -0800 | [diff] [blame] | 4285 | 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 Holtmann | d7a5a11 | 2015-03-13 02:11:00 -0700 | [diff] [blame] | 4292 | if (hci_dev_test_flag(hdev, HCI_SC_ONLY)) { |
Marcel Holtmann | 6665d05 | 2015-01-27 16:04:31 -0800 | [diff] [blame] | 4293 | 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 Janc | 2763eda | 2011-03-22 13:12:22 +0100 | [diff] [blame] | 4313 | } |
| 4314 | |
Szymon Janc | e1ba1f1 | 2011-04-06 13:01:59 +0200 | [diff] [blame] | 4315 | unlock: |
Szymon Janc | 2763eda | 2011-03-22 13:12:22 +0100 | [diff] [blame] | 4316 | hci_dev_unlock(hdev); |
| 4317 | } |
| 4318 | |
Arron Wang | a77a6a1 | 2015-07-24 17:13:15 +0800 | [diff] [blame] | 4319 | #if IS_ENABLED(CONFIG_BT_HS) |
| 4320 | static 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 Emeltchenko | d5e9119 | 2012-10-25 15:20:44 +0300 | [diff] [blame] | 4336 | static 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 Herrmann | 76a68ba | 2013-04-06 20:28:37 +0200 | [diff] [blame] | 4366 | hci_conn_drop(hcon); |
Andrei Emeltchenko | d5e9119 | 2012-10-25 15:20:44 +0300 | [diff] [blame] | 4367 | |
Marcel Holtmann | 23b9ceb | 2014-12-20 17:13:41 +0100 | [diff] [blame] | 4368 | hci_debugfs_create_conn(hcon); |
Andrei Emeltchenko | d5e9119 | 2012-10-25 15:20:44 +0300 | [diff] [blame] | 4369 | hci_conn_add_sysfs(hcon); |
| 4370 | |
Andrei Emeltchenko | cf70ff2 | 2012-10-31 15:46:36 +0200 | [diff] [blame] | 4371 | amp_physical_cfm(bredr_hcon, hcon); |
| 4372 | |
Andrei Emeltchenko | d5e9119 | 2012-10-25 15:20:44 +0300 | [diff] [blame] | 4373 | hci_dev_unlock(hdev); |
Andrei Emeltchenko | d5e9119 | 2012-10-25 15:20:44 +0300 | [diff] [blame] | 4374 | } |
| 4375 | |
Andrei Emeltchenko | 27695fb | 2012-10-25 15:20:45 +0300 | [diff] [blame] | 4376 | static 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 Emeltchenko | 606e2a1 | 2012-10-31 15:46:31 +0200 | [diff] [blame] | 4414 | static 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 | |
| 4434 | unlock: |
| 4435 | hci_dev_unlock(hdev); |
| 4436 | } |
| 4437 | |
Andrei Emeltchenko | 9eef6b3 | 2012-10-31 15:46:32 +0200 | [diff] [blame] | 4438 | static 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 Wang | a77a6a1 | 2015-07-24 17:13:15 +0800 | [diff] [blame] | 4459 | #endif |
Andrei Emeltchenko | 9eef6b3 | 2012-10-31 15:46:32 +0200 | [diff] [blame] | 4460 | |
Gustavo Padovan | 6039aa73 | 2012-05-23 04:04:18 -0300 | [diff] [blame] | 4461 | static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
Ville Tervo | fcd89c0 | 2011-02-10 22:38:47 -0300 | [diff] [blame] | 4462 | { |
| 4463 | struct hci_ev_le_conn_complete *ev = (void *) skb->data; |
Johan Hedberg | 912b42e | 2014-07-03 19:33:49 +0300 | [diff] [blame] | 4464 | struct hci_conn_params *params; |
Ville Tervo | fcd89c0 | 2011-02-10 22:38:47 -0300 | [diff] [blame] | 4465 | struct hci_conn *conn; |
Johan Hedberg | 68d6f6d | 2014-02-18 21:41:32 +0200 | [diff] [blame] | 4466 | struct smp_irk *irk; |
Johan Hedberg | 837d502 | 2014-07-02 09:36:22 +0300 | [diff] [blame] | 4467 | u8 addr_type; |
Ville Tervo | fcd89c0 | 2011-02-10 22:38:47 -0300 | [diff] [blame] | 4468 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 4469 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
Ville Tervo | fcd89c0 | 2011-02-10 22:38:47 -0300 | [diff] [blame] | 4470 | |
| 4471 | hci_dev_lock(hdev); |
| 4472 | |
Johan Hedberg | fbd96c1 | 2014-07-08 17:21:51 +0300 | [diff] [blame] | 4473 | /* All controllers implicitly stop advertising in the event of a |
| 4474 | * connection, so ensure that the state bit is cleared. |
| 4475 | */ |
Marcel Holtmann | a358dc1 | 2015-03-13 02:11:02 -0700 | [diff] [blame] | 4476 | hci_dev_clear_flag(hdev, HCI_LE_ADV); |
Johan Hedberg | fbd96c1 | 2014-07-08 17:21:51 +0300 | [diff] [blame] | 4477 | |
Jakub Pawlowski | e7d9ab7 | 2015-08-07 20:22:52 +0200 | [diff] [blame] | 4478 | conn = hci_lookup_le_connect(hdev); |
Ville Tervo | b62f328 | 2011-02-10 22:38:50 -0300 | [diff] [blame] | 4479 | if (!conn) { |
Johan Hedberg | a5c4e30 | 2014-07-16 11:56:07 +0300 | [diff] [blame] | 4480 | conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr, ev->role); |
Ville Tervo | b62f328 | 2011-02-10 22:38:50 -0300 | [diff] [blame] | 4481 | if (!conn) { |
| 4482 | BT_ERR("No memory for new connection"); |
Andre Guedes | 230fd16 | 2012-07-27 15:10:10 -0300 | [diff] [blame] | 4483 | goto unlock; |
Ville Tervo | b62f328 | 2011-02-10 22:38:50 -0300 | [diff] [blame] | 4484 | } |
Andre Guedes | 29b7988 | 2011-05-31 14:20:54 -0300 | [diff] [blame] | 4485 | |
| 4486 | conn->dst_type = ev->bdaddr_type; |
Andre Guedes | b9b343d | 2012-07-27 15:10:11 -0300 | [diff] [blame] | 4487 | |
Johan Hedberg | cb1d68f | 2014-02-28 12:54:16 +0200 | [diff] [blame] | 4488 | /* 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 Holtmann | d7a5a11 | 2015-03-13 02:11:00 -0700 | [diff] [blame] | 4499 | if (hci_dev_test_flag(hdev, HCI_PRIVACY)) { |
Johan Hedberg | cb1d68f | 2014-02-28 12:54:16 +0200 | [diff] [blame] | 4500 | 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 Hedberg | cb1d68f | 2014-02-28 12:54:16 +0200 | [diff] [blame] | 4507 | } |
Johan Hedberg | 9489eca | 2014-02-28 17:45:46 +0200 | [diff] [blame] | 4508 | } else { |
| 4509 | cancel_delayed_work(&conn->le_conn_timeout); |
Ville Tervo | b62f328 | 2011-02-10 22:38:50 -0300 | [diff] [blame] | 4510 | } |
Ville Tervo | fcd89c0 | 2011-02-10 22:38:47 -0300 | [diff] [blame] | 4511 | |
Johan Hedberg | 80c24ab | 2014-03-24 20:21:51 +0200 | [diff] [blame] | 4512 | 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 Holtmann | a720d73 | 2014-06-23 12:14:51 +0200 | [diff] [blame] | 4524 | |
| 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 Hedberg | 80c24ab | 2014-03-24 20:21:51 +0200 | [diff] [blame] | 4532 | } |
Johan Hedberg | 7be2edb | 2014-02-23 19:42:17 +0200 | [diff] [blame] | 4533 | |
Marcel Holtmann | edb4b46 | 2014-02-18 15:13:43 -0800 | [diff] [blame] | 4534 | /* 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 Hedberg | 68d6f6d | 2014-02-18 21:41:32 +0200 | [diff] [blame] | 4544 | if (irk) { |
| 4545 | bacpy(&conn->dst, &irk->bdaddr); |
| 4546 | conn->dst_type = irk->addr_type; |
| 4547 | } |
| 4548 | |
Johan Hedberg | 2d3c226 | 2014-07-15 11:51:28 +0300 | [diff] [blame] | 4549 | if (ev->status) { |
| 4550 | hci_le_conn_failed(conn, ev->status); |
Johan Hedberg | 837d502 | 2014-07-02 09:36:22 +0300 | [diff] [blame] | 4551 | goto unlock; |
| 4552 | } |
| 4553 | |
Johan Hedberg | 08853f1 | 2014-08-15 21:06:55 +0300 | [diff] [blame] | 4554 | if (conn->dst_type == ADDR_LE_DEV_PUBLIC) |
| 4555 | addr_type = BDADDR_LE_PUBLIC; |
| 4556 | else |
| 4557 | addr_type = BDADDR_LE_RANDOM; |
| 4558 | |
Johan Hedberg | 2d3c226 | 2014-07-15 11:51:28 +0300 | [diff] [blame] | 4559 | /* 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 Guedes | cd17dec | 2012-07-27 15:10:16 -0300 | [diff] [blame] | 4562 | goto unlock; |
| 4563 | } |
| 4564 | |
Johan Hedberg | b644ba3 | 2012-01-17 21:48:47 +0200 | [diff] [blame] | 4565 | if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) |
Alfonso Acosta | 48ec92f | 2014-10-07 08:44:10 +0000 | [diff] [blame] | 4566 | mgmt_device_connected(hdev, conn, 0, NULL, 0); |
Vinicius Costa Gomes | 83bc71b | 2011-05-06 18:41:43 -0300 | [diff] [blame] | 4567 | |
Vinicius Costa Gomes | 7b5c0d5 | 2011-06-09 18:50:50 -0300 | [diff] [blame] | 4568 | conn->sec_level = BT_SECURITY_LOW; |
Ville Tervo | fcd89c0 | 2011-02-10 22:38:47 -0300 | [diff] [blame] | 4569 | conn->handle = __le16_to_cpu(ev->handle); |
Marcel Holtmann | 0fe29fd | 2015-04-08 09:05:27 -0700 | [diff] [blame] | 4570 | conn->state = BT_CONFIG; |
Ville Tervo | fcd89c0 | 2011-02-10 22:38:47 -0300 | [diff] [blame] | 4571 | |
Marcel Holtmann | e04fde6 | 2014-06-23 11:40:04 +0200 | [diff] [blame] | 4572 | 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 Holtmann | 23b9ceb | 2014-12-20 17:13:41 +0100 | [diff] [blame] | 4576 | hci_debugfs_create_conn(conn); |
Ville Tervo | fcd89c0 | 2011-02-10 22:38:47 -0300 | [diff] [blame] | 4577 | hci_conn_add_sysfs(conn); |
| 4578 | |
Marcel Holtmann | 0fe29fd | 2015-04-08 09:05:27 -0700 | [diff] [blame] | 4579 | 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 Tervo | fcd89c0 | 2011-02-10 22:38:47 -0300 | [diff] [blame] | 4606 | |
Johan Hedberg | 5477610 | 2014-08-15 21:06:56 +0300 | [diff] [blame] | 4607 | params = hci_pend_le_action_lookup(&hdev->pend_le_conns, &conn->dst, |
| 4608 | conn->dst_type); |
Johan Hedberg | f161dd4 | 2014-08-15 21:06:54 +0300 | [diff] [blame] | 4609 | if (params) { |
Johan Hedberg | 95305ba | 2014-07-04 12:37:21 +0300 | [diff] [blame] | 4610 | list_del_init(¶ms->action); |
Johan Hedberg | f161dd4 | 2014-08-15 21:06:54 +0300 | [diff] [blame] | 4611 | if (params->conn) { |
| 4612 | hci_conn_drop(params->conn); |
Johan Hedberg | f8aaf9b | 2014-08-17 23:28:57 +0300 | [diff] [blame] | 4613 | hci_conn_put(params->conn); |
Johan Hedberg | f161dd4 | 2014-08-15 21:06:54 +0300 | [diff] [blame] | 4614 | params->conn = NULL; |
| 4615 | } |
| 4616 | } |
Andre Guedes | a4790db | 2014-02-26 20:21:47 -0300 | [diff] [blame] | 4617 | |
Ville Tervo | fcd89c0 | 2011-02-10 22:38:47 -0300 | [diff] [blame] | 4618 | unlock: |
Johan Hedberg | 223683a | 2014-07-06 15:44:23 +0300 | [diff] [blame] | 4619 | hci_update_background_scan(hdev); |
Ville Tervo | fcd89c0 | 2011-02-10 22:38:47 -0300 | [diff] [blame] | 4620 | hci_dev_unlock(hdev); |
| 4621 | } |
| 4622 | |
Marcel Holtmann | 1855d92 | 2014-06-23 11:40:05 +0200 | [diff] [blame] | 4623 | static 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 Guedes | a4790db | 2014-02-26 20:21:47 -0300 | [diff] [blame] | 4646 | /* This function requires the caller holds hdev->lock */ |
Alfonso Acosta | fd45ada | 2014-10-07 08:44:11 +0000 | [diff] [blame] | 4647 | static struct hci_conn *check_pending_le_conn(struct hci_dev *hdev, |
| 4648 | bdaddr_t *addr, |
| 4649 | u8 addr_type, u8 adv_type) |
Andre Guedes | a4790db | 2014-02-26 20:21:47 -0300 | [diff] [blame] | 4650 | { |
| 4651 | struct hci_conn *conn; |
Marcel Holtmann | 4b9e7e7 | 2014-07-23 21:55:23 +0200 | [diff] [blame] | 4652 | struct hci_conn_params *params; |
Andre Guedes | a4790db | 2014-02-26 20:21:47 -0300 | [diff] [blame] | 4653 | |
Johan Hedberg | 1c1abca | 2014-07-07 12:45:53 +0300 | [diff] [blame] | 4654 | /* If the event is not connectable don't proceed further */ |
| 4655 | if (adv_type != LE_ADV_IND && adv_type != LE_ADV_DIRECT_IND) |
Alfonso Acosta | fd45ada | 2014-10-07 08:44:11 +0000 | [diff] [blame] | 4656 | return NULL; |
Johan Hedberg | 1c1abca | 2014-07-07 12:45:53 +0300 | [diff] [blame] | 4657 | |
| 4658 | /* Ignore if the device is blocked */ |
Johan Hedberg | dcc36c1 | 2014-07-09 12:59:13 +0300 | [diff] [blame] | 4659 | if (hci_bdaddr_list_lookup(&hdev->blacklist, addr, addr_type)) |
Alfonso Acosta | fd45ada | 2014-10-07 08:44:11 +0000 | [diff] [blame] | 4660 | return NULL; |
Johan Hedberg | 1c1abca | 2014-07-07 12:45:53 +0300 | [diff] [blame] | 4661 | |
Johan Hedberg | f99353c | 2014-07-16 11:56:09 +0300 | [diff] [blame] | 4662 | /* 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 Acosta | fd45ada | 2014-10-07 08:44:11 +0000 | [diff] [blame] | 4666 | return NULL; |
Johan Hedberg | f99353c | 2014-07-16 11:56:09 +0300 | [diff] [blame] | 4667 | |
Johan Hedberg | 1c1abca | 2014-07-07 12:45:53 +0300 | [diff] [blame] | 4668 | /* If we're not connectable only connect devices that we have in |
| 4669 | * our pend_le_conns list. |
| 4670 | */ |
Johan Hedberg | 49c5092 | 2015-10-16 10:07:51 +0300 | [diff] [blame] | 4671 | params = hci_pend_le_action_lookup(&hdev->pend_le_conns, addr, |
| 4672 | addr_type); |
Marcel Holtmann | 4b9e7e7 | 2014-07-23 21:55:23 +0200 | [diff] [blame] | 4673 | if (!params) |
Alfonso Acosta | fd45ada | 2014-10-07 08:44:11 +0000 | [diff] [blame] | 4674 | return NULL; |
Andre Guedes | a4790db | 2014-02-26 20:21:47 -0300 | [diff] [blame] | 4675 | |
Jakub Pawlowski | 28a667c | 2015-08-07 20:22:54 +0200 | [diff] [blame] | 4676 | 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 Acosta | fd45ada | 2014-10-07 08:44:11 +0000 | [diff] [blame] | 4695 | return NULL; |
Jakub Pawlowski | 28a667c | 2015-08-07 20:22:54 +0200 | [diff] [blame] | 4696 | } |
Marcel Holtmann | 4b9e7e7 | 2014-07-23 21:55:23 +0200 | [diff] [blame] | 4697 | } |
| 4698 | |
Andre Guedes | a4790db | 2014-02-26 20:21:47 -0300 | [diff] [blame] | 4699 | conn = hci_connect_le(hdev, addr, addr_type, BT_SECURITY_LOW, |
Johan Hedberg | e804d25 | 2014-07-16 11:42:28 +0300 | [diff] [blame] | 4700 | HCI_LE_AUTOCONN_TIMEOUT, HCI_ROLE_MASTER); |
Johan Hedberg | f161dd4 | 2014-08-15 21:06:54 +0300 | [diff] [blame] | 4701 | if (!IS_ERR(conn)) { |
Jakub Pawlowski | 28a667c | 2015-08-07 20:22:54 +0200 | [diff] [blame] | 4702 | /* 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 Hedberg | f161dd4 | 2014-08-15 21:06:54 +0300 | [diff] [blame] | 4705 | * 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 Pawlowski | 28a667c | 2015-08-07 20:22:54 +0200 | [diff] [blame] | 4710 | |
| 4711 | if (!params->explicit_connect) |
| 4712 | params->conn = hci_conn_get(conn); |
| 4713 | |
Alfonso Acosta | fd45ada | 2014-10-07 08:44:11 +0000 | [diff] [blame] | 4714 | return conn; |
Johan Hedberg | f161dd4 | 2014-08-15 21:06:54 +0300 | [diff] [blame] | 4715 | } |
Andre Guedes | a4790db | 2014-02-26 20:21:47 -0300 | [diff] [blame] | 4716 | |
| 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 Acosta | fd45ada | 2014-10-07 08:44:11 +0000 | [diff] [blame] | 4727 | return NULL; |
Andre Guedes | a4790db | 2014-02-26 20:21:47 -0300 | [diff] [blame] | 4728 | } |
Alfonso Acosta | fd45ada | 2014-10-07 08:44:11 +0000 | [diff] [blame] | 4729 | |
| 4730 | return NULL; |
Andre Guedes | a4790db | 2014-02-26 20:21:47 -0300 | [diff] [blame] | 4731 | } |
| 4732 | |
Johan Hedberg | 4af605d | 2014-03-24 10:48:00 +0200 | [diff] [blame] | 4733 | static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr, |
Marcel Holtmann | 2f010b5 | 2014-12-05 16:20:13 +0100 | [diff] [blame] | 4734 | u8 bdaddr_type, bdaddr_t *direct_addr, |
| 4735 | u8 direct_addr_type, s8 rssi, u8 *data, u8 len) |
Johan Hedberg | 4af605d | 2014-03-24 10:48:00 +0200 | [diff] [blame] | 4736 | { |
Johan Hedberg | b9a6328 | 2014-03-25 10:51:52 +0200 | [diff] [blame] | 4737 | struct discovery_state *d = &hdev->discovery; |
Johan Hedberg | 1c1abca | 2014-07-07 12:45:53 +0300 | [diff] [blame] | 4738 | struct smp_irk *irk; |
Alfonso Acosta | fd45ada | 2014-10-07 08:44:11 +0000 | [diff] [blame] | 4739 | struct hci_conn *conn; |
Johan Hedberg | 474ee06 | 2014-03-25 14:34:59 +0200 | [diff] [blame] | 4740 | bool match; |
Marcel Holtmann | c70a7e4 | 2014-07-01 14:11:21 +0200 | [diff] [blame] | 4741 | u32 flags; |
Szymon Janc | 6818375 | 2015-09-16 20:21:54 +0200 | [diff] [blame] | 4742 | u8 *ptr, real_len; |
| 4743 | |
Johan Hedberg | 56b40fb | 2016-04-07 21:01:27 +0300 | [diff] [blame] | 4744 | 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 Janc | 6818375 | 2015-09-16 20:21:54 +0200 | [diff] [blame] | 4757 | /* 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 Hedberg | b9a6328 | 2014-03-25 10:51:52 +0200 | [diff] [blame] | 4776 | |
Marcel Holtmann | 2f010b5 | 2014-12-05 16:20:13 +0100 | [diff] [blame] | 4777 | /* 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 Holtmann | d7a5a11 | 2015-03-13 02:11:00 -0700 | [diff] [blame] | 4792 | if (!hci_dev_test_flag(hdev, HCI_PRIVACY)) |
Marcel Holtmann | 2f010b5 | 2014-12-05 16:20:13 +0100 | [diff] [blame] | 4793 | 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 Hedberg | 1c1abca | 2014-07-07 12:45:53 +0300 | [diff] [blame] | 4803 | /* 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 Acosta | fd45ada | 2014-10-07 08:44:11 +0000 | [diff] [blame] | 4811 | 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 Hedberg | 1c1abca | 2014-07-07 12:45:53 +0300 | [diff] [blame] | 4819 | |
Johan Hedberg | 0d2bf13 | 2014-07-02 22:42:02 +0300 | [diff] [blame] | 4820 | /* 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 Hedberg | ca5c4be | 2014-03-25 10:30:46 +0200 | [diff] [blame] | 4824 | if (hdev->le_scan_type == LE_SCAN_PASSIVE) { |
Johan Hedberg | 0d2bf13 | 2014-07-02 22:42:02 +0300 | [diff] [blame] | 4825 | if (type == LE_ADV_DIRECT_IND) |
| 4826 | return; |
| 4827 | |
Johan Hedberg | 3a19b6f | 2014-07-15 08:07:59 +0300 | [diff] [blame] | 4828 | if (!hci_pend_le_action_lookup(&hdev->pend_le_reports, |
| 4829 | bdaddr, bdaddr_type)) |
Johan Hedberg | 0d2bf13 | 2014-07-02 22:42:02 +0300 | [diff] [blame] | 4830 | 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 Hedberg | 97bf2e9 | 2014-07-04 12:37:16 +0300 | [diff] [blame] | 4838 | return; |
Johan Hedberg | ca5c4be | 2014-03-25 10:30:46 +0200 | [diff] [blame] | 4839 | } |
Johan Hedberg | 4af605d | 2014-03-24 10:48:00 +0200 | [diff] [blame] | 4840 | |
Marcel Holtmann | c70a7e4 | 2014-07-01 14:11:21 +0200 | [diff] [blame] | 4841 | /* 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 Hedberg | b9a6328 | 2014-03-25 10:51:52 +0200 | [diff] [blame] | 4862 | /* 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 Holtmann | c70a7e4 | 2014-07-01 14:11:21 +0200 | [diff] [blame] | 4872 | rssi, flags, data, len); |
Johan Hedberg | b9a6328 | 2014-03-25 10:51:52 +0200 | [diff] [blame] | 4873 | return; |
| 4874 | } |
| 4875 | |
| 4876 | mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL, |
Marcel Holtmann | c70a7e4 | 2014-07-01 14:11:21 +0200 | [diff] [blame] | 4877 | rssi, flags, data, len, NULL, 0); |
Johan Hedberg | b9a6328 | 2014-03-25 10:51:52 +0200 | [diff] [blame] | 4878 | return; |
| 4879 | } |
| 4880 | |
Johan Hedberg | 474ee06 | 2014-03-25 14:34:59 +0200 | [diff] [blame] | 4881 | /* 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 Hedberg | b9a6328 | 2014-03-25 10:51:52 +0200 | [diff] [blame] | 4885 | /* 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 Hedberg | 474ee06 | 2014-03-25 14:34:59 +0200 | [diff] [blame] | 4889 | 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 Hedberg | ff5cd29 | 2014-03-25 14:40:52 +0200 | [diff] [blame] | 4893 | d->last_adv_addr_type, NULL, |
Marcel Holtmann | c70a7e4 | 2014-07-01 14:11:21 +0200 | [diff] [blame] | 4894 | d->last_adv_rssi, d->last_adv_flags, |
Johan Hedberg | ff5cd29 | 2014-03-25 14:40:52 +0200 | [diff] [blame] | 4895 | d->last_adv_data, |
Johan Hedberg | 474ee06 | 2014-03-25 14:34:59 +0200 | [diff] [blame] | 4896 | d->last_adv_data_len, NULL, 0); |
Johan Hedberg | b9a6328 | 2014-03-25 10:51:52 +0200 | [diff] [blame] | 4897 | |
| 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 Holtmann | c70a7e4 | 2014-07-01 14:11:21 +0200 | [diff] [blame] | 4903 | rssi, flags, data, len); |
Johan Hedberg | b9a6328 | 2014-03-25 10:51:52 +0200 | [diff] [blame] | 4904 | 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 Hedberg | 5c5b93e | 2014-03-29 08:39:53 +0200 | [diff] [blame] | 4911 | mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL, |
Marcel Holtmann | c70a7e4 | 2014-07-01 14:11:21 +0200 | [diff] [blame] | 4912 | rssi, flags, data, len, NULL, 0); |
Johan Hedberg | b9a6328 | 2014-03-25 10:51:52 +0200 | [diff] [blame] | 4913 | 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 Holtmann | c70a7e4 | 2014-07-01 14:11:21 +0200 | [diff] [blame] | 4921 | d->last_adv_addr_type, NULL, rssi, d->last_adv_flags, |
Marcel Holtmann | 42bd6a5 | 2014-07-01 14:11:19 +0200 | [diff] [blame] | 4922 | d->last_adv_data, d->last_adv_data_len, data, len); |
Johan Hedberg | b9a6328 | 2014-03-25 10:51:52 +0200 | [diff] [blame] | 4923 | clear_pending_adv_report(hdev); |
Johan Hedberg | 4af605d | 2014-03-24 10:48:00 +0200 | [diff] [blame] | 4924 | } |
| 4925 | |
Gustavo Padovan | 6039aa73 | 2012-05-23 04:04:18 -0300 | [diff] [blame] | 4926 | static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb) |
Andre Guedes | 9aa04c9 | 2011-05-26 16:23:51 -0300 | [diff] [blame] | 4927 | { |
Andre Guedes | e95beb4 | 2011-09-26 20:48:35 -0300 | [diff] [blame] | 4928 | u8 num_reports = skb->data[0]; |
| 4929 | void *ptr = &skb->data[1]; |
Andre Guedes | 9aa04c9 | 2011-05-26 16:23:51 -0300 | [diff] [blame] | 4930 | |
Andre Guedes | a4790db | 2014-02-26 20:21:47 -0300 | [diff] [blame] | 4931 | hci_dev_lock(hdev); |
| 4932 | |
Andre Guedes | e95beb4 | 2011-09-26 20:48:35 -0300 | [diff] [blame] | 4933 | while (num_reports--) { |
| 4934 | struct hci_ev_le_advertising_info *ev = ptr; |
Johan Hedberg | 4af605d | 2014-03-24 10:48:00 +0200 | [diff] [blame] | 4935 | s8 rssi; |
Andre Guedes | a4790db | 2014-02-26 20:21:47 -0300 | [diff] [blame] | 4936 | |
Andre Guedes | 3c9e919 | 2012-01-10 18:20:50 -0300 | [diff] [blame] | 4937 | rssi = ev->data[ev->length]; |
Johan Hedberg | 4af605d | 2014-03-24 10:48:00 +0200 | [diff] [blame] | 4938 | process_adv_report(hdev, ev->evt_type, &ev->bdaddr, |
Marcel Holtmann | 2f010b5 | 2014-12-05 16:20:13 +0100 | [diff] [blame] | 4939 | ev->bdaddr_type, NULL, 0, rssi, |
| 4940 | ev->data, ev->length); |
Andre Guedes | 3c9e919 | 2012-01-10 18:20:50 -0300 | [diff] [blame] | 4941 | |
Andre Guedes | e95beb4 | 2011-09-26 20:48:35 -0300 | [diff] [blame] | 4942 | ptr += sizeof(*ev) + ev->length + 1; |
Andre Guedes | 9aa04c9 | 2011-05-26 16:23:51 -0300 | [diff] [blame] | 4943 | } |
Andre Guedes | a4790db | 2014-02-26 20:21:47 -0300 | [diff] [blame] | 4944 | |
| 4945 | hci_dev_unlock(hdev); |
Andre Guedes | 9aa04c9 | 2011-05-26 16:23:51 -0300 | [diff] [blame] | 4946 | } |
| 4947 | |
Marcel Holtmann | 0fe29fd | 2015-04-08 09:05:27 -0700 | [diff] [blame] | 4948 | static 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 Padovan | 6039aa73 | 2012-05-23 04:04:18 -0300 | [diff] [blame] | 4990 | static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb) |
Vinicius Costa Gomes | a7a595f | 2011-06-09 18:50:47 -0300 | [diff] [blame] | 4991 | { |
| 4992 | struct hci_ev_le_ltk_req *ev = (void *) skb->data; |
| 4993 | struct hci_cp_le_ltk_reply cp; |
Vinicius Costa Gomes | bea710f | 2011-07-07 18:59:37 -0300 | [diff] [blame] | 4994 | struct hci_cp_le_ltk_neg_reply neg; |
Vinicius Costa Gomes | a7a595f | 2011-06-09 18:50:47 -0300 | [diff] [blame] | 4995 | struct hci_conn *conn; |
Vinicius Costa Gomes | c9839a1 | 2012-02-02 21:08:01 -0300 | [diff] [blame] | 4996 | struct smp_ltk *ltk; |
Vinicius Costa Gomes | a7a595f | 2011-06-09 18:50:47 -0300 | [diff] [blame] | 4997 | |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 4998 | BT_DBG("%s handle 0x%4.4x", hdev->name, __le16_to_cpu(ev->handle)); |
Vinicius Costa Gomes | a7a595f | 2011-06-09 18:50:47 -0300 | [diff] [blame] | 4999 | |
| 5000 | hci_dev_lock(hdev); |
| 5001 | |
| 5002 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
Vinicius Costa Gomes | bea710f | 2011-07-07 18:59:37 -0300 | [diff] [blame] | 5003 | if (conn == NULL) |
| 5004 | goto not_found; |
Vinicius Costa Gomes | a7a595f | 2011-06-09 18:50:47 -0300 | [diff] [blame] | 5005 | |
Johan Hedberg | f3a73d9 | 2014-05-29 15:02:59 +0300 | [diff] [blame] | 5006 | ltk = hci_find_ltk(hdev, &conn->dst, conn->dst_type, conn->role); |
Johan Hedberg | 5378bc5 | 2014-05-29 14:00:39 +0300 | [diff] [blame] | 5007 | if (!ltk) |
Vinicius Costa Gomes | bea710f | 2011-07-07 18:59:37 -0300 | [diff] [blame] | 5008 | goto not_found; |
| 5009 | |
Johan Hedberg | 5378bc5 | 2014-05-29 14:00:39 +0300 | [diff] [blame] | 5010 | 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 Hedberg | 8b76ce3 | 2015-06-08 18:14:39 +0300 | [diff] [blame] | 5020 | memcpy(cp.ltk, ltk->val, ltk->enc_size); |
| 5021 | memset(cp.ltk + ltk->enc_size, 0, sizeof(cp.ltk) - ltk->enc_size); |
Vinicius Costa Gomes | a7a595f | 2011-06-09 18:50:47 -0300 | [diff] [blame] | 5022 | cp.handle = cpu_to_le16(conn->handle); |
Vinicius Costa Gomes | c9839a1 | 2012-02-02 21:08:01 -0300 | [diff] [blame] | 5023 | |
Johan Hedberg | a6f7833 | 2014-09-10 17:37:45 -0700 | [diff] [blame] | 5024 | conn->pending_sec_level = smp_ltk_sec_level(ltk); |
Vinicius Costa Gomes | a7a595f | 2011-06-09 18:50:47 -0300 | [diff] [blame] | 5025 | |
Andre Guedes | 89cbb4d | 2013-07-31 16:25:29 -0300 | [diff] [blame] | 5026 | conn->enc_key_size = ltk->enc_size; |
Vinicius Costa Gomes | a7a595f | 2011-06-09 18:50:47 -0300 | [diff] [blame] | 5027 | |
| 5028 | hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp); |
| 5029 | |
Claudio Takahasi | 5981a88 | 2013-07-25 16:34:24 -0300 | [diff] [blame] | 5030 | /* 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 Hedberg | 2ceba53 | 2014-06-16 19:25:16 +0300 | [diff] [blame] | 5036 | if (ltk->type == SMP_STK) { |
Johan Hedberg | fe59a05 | 2014-07-01 19:14:12 +0300 | [diff] [blame] | 5037 | set_bit(HCI_CONN_STK_ENCRYPT, &conn->flags); |
Johan Hedberg | 970d0f1 | 2014-11-13 14:37:47 +0200 | [diff] [blame] | 5038 | list_del_rcu(<k->list); |
| 5039 | kfree_rcu(ltk, rcu); |
Johan Hedberg | fe59a05 | 2014-07-01 19:14:12 +0300 | [diff] [blame] | 5040 | } else { |
| 5041 | clear_bit(HCI_CONN_STK_ENCRYPT, &conn->flags); |
Vinicius Costa Gomes | c9839a1 | 2012-02-02 21:08:01 -0300 | [diff] [blame] | 5042 | } |
| 5043 | |
Vinicius Costa Gomes | a7a595f | 2011-06-09 18:50:47 -0300 | [diff] [blame] | 5044 | hci_dev_unlock(hdev); |
Vinicius Costa Gomes | bea710f | 2011-07-07 18:59:37 -0300 | [diff] [blame] | 5045 | |
| 5046 | return; |
| 5047 | |
| 5048 | not_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 Gomes | a7a595f | 2011-06-09 18:50:47 -0300 | [diff] [blame] | 5052 | } |
| 5053 | |
Andre Guedes | 8e75b46 | 2014-07-01 18:10:08 -0300 | [diff] [blame] | 5054 | static 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 | |
| 5066 | static 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 Hedberg | 40bef30 | 2014-07-16 11:42:27 +0300 | [diff] [blame] | 5089 | if (hcon->role == HCI_ROLE_MASTER) { |
Johan Hedberg | 348d50b | 2014-07-02 17:37:30 +0300 | [diff] [blame] | 5090 | struct hci_conn_params *params; |
Johan Hedberg | f4869e2 | 2014-07-02 17:37:32 +0300 | [diff] [blame] | 5091 | u8 store_hint; |
Johan Hedberg | 348d50b | 2014-07-02 17:37:30 +0300 | [diff] [blame] | 5092 | |
| 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 Hedberg | f4869e2 | 2014-07-02 17:37:32 +0300 | [diff] [blame] | 5102 | store_hint = 0x01; |
| 5103 | } else{ |
| 5104 | store_hint = 0x00; |
Johan Hedberg | 348d50b | 2014-07-02 17:37:30 +0300 | [diff] [blame] | 5105 | } |
| 5106 | |
| 5107 | hci_dev_unlock(hdev); |
| 5108 | |
Johan Hedberg | f4869e2 | 2014-07-02 17:37:32 +0300 | [diff] [blame] | 5109 | mgmt_new_conn_param(hdev, &hcon->dst, hcon->dst_type, |
| 5110 | store_hint, min, max, latency, timeout); |
Johan Hedberg | 348d50b | 2014-07-02 17:37:30 +0300 | [diff] [blame] | 5111 | } |
Andre Guedes | ffb5a827 | 2014-07-01 18:10:11 -0300 | [diff] [blame] | 5112 | |
Andre Guedes | 8e75b46 | 2014-07-01 18:10:08 -0300 | [diff] [blame] | 5113 | 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 Holtmann | 2f010b5 | 2014-12-05 16:20:13 +0100 | [diff] [blame] | 5124 | static 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 Padovan | 6039aa73 | 2012-05-23 04:04:18 -0300 | [diff] [blame] | 5145 | static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb) |
Ville Tervo | fcd89c0 | 2011-02-10 22:38:47 -0300 | [diff] [blame] | 5146 | { |
| 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 Holtmann | 1855d92 | 2014-06-23 11:40:05 +0200 | [diff] [blame] | 5156 | case HCI_EV_LE_CONN_UPDATE_COMPLETE: |
| 5157 | hci_le_conn_update_complete_evt(hdev, skb); |
| 5158 | break; |
| 5159 | |
Andre Guedes | 9aa04c9 | 2011-05-26 16:23:51 -0300 | [diff] [blame] | 5160 | case HCI_EV_LE_ADVERTISING_REPORT: |
| 5161 | hci_le_adv_report_evt(hdev, skb); |
| 5162 | break; |
| 5163 | |
Marcel Holtmann | 0fe29fd | 2015-04-08 09:05:27 -0700 | [diff] [blame] | 5164 | case HCI_EV_LE_REMOTE_FEAT_COMPLETE: |
| 5165 | hci_le_remote_feat_complete_evt(hdev, skb); |
| 5166 | break; |
| 5167 | |
Vinicius Costa Gomes | a7a595f | 2011-06-09 18:50:47 -0300 | [diff] [blame] | 5168 | case HCI_EV_LE_LTK_REQ: |
| 5169 | hci_le_ltk_request_evt(hdev, skb); |
| 5170 | break; |
| 5171 | |
Andre Guedes | 8e75b46 | 2014-07-01 18:10:08 -0300 | [diff] [blame] | 5172 | case HCI_EV_LE_REMOTE_CONN_PARAM_REQ: |
| 5173 | hci_le_remote_conn_param_req_evt(hdev, skb); |
| 5174 | break; |
| 5175 | |
Marcel Holtmann | 2f010b5 | 2014-12-05 16:20:13 +0100 | [diff] [blame] | 5176 | case HCI_EV_LE_DIRECT_ADV_REPORT: |
| 5177 | hci_le_direct_adv_report_evt(hdev, skb); |
| 5178 | break; |
| 5179 | |
Ville Tervo | fcd89c0 | 2011-02-10 22:38:47 -0300 | [diff] [blame] | 5180 | default: |
| 5181 | break; |
| 5182 | } |
| 5183 | } |
| 5184 | |
Johan Hedberg | 757aa0b | 2015-04-02 13:41:12 +0300 | [diff] [blame] | 5185 | static 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 Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5230 | void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb) |
| 5231 | { |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 5232 | struct hci_event_hdr *hdr = (void *) skb->data; |
Johan Hedberg | e6214487 | 2015-04-02 13:41:08 +0300 | [diff] [blame] | 5233 | 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 Hedberg | 757aa0b | 2015-04-02 13:41:12 +0300 | [diff] [blame] | 5236 | u8 status = 0, event = hdr->evt, req_evt = 0; |
Johan Hedberg | e6214487 | 2015-04-02 13:41:08 +0300 | [diff] [blame] | 5237 | u16 opcode = HCI_OP_NOP; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5238 | |
Marcel Holtmann | 242c0eb | 2015-10-25 22:45:53 +0100 | [diff] [blame] | 5239 | if (hdev->sent_cmd && bt_cb(hdev->sent_cmd)->hci.req_event == event) { |
Johannes Berg | c1f23a2 | 2013-10-07 18:19:16 +0200 | [diff] [blame] | 5240 | struct hci_command_hdr *cmd_hdr = (void *) hdev->sent_cmd->data; |
Johan Hedberg | e6214487 | 2015-04-02 13:41:08 +0300 | [diff] [blame] | 5241 | opcode = __le16_to_cpu(cmd_hdr->opcode); |
| 5242 | hci_req_cmd_complete(hdev, opcode, status, &req_complete, |
| 5243 | &req_complete_skb); |
Johan Hedberg | 757aa0b | 2015-04-02 13:41:12 +0300 | [diff] [blame] | 5244 | req_evt = event; |
Johan Hedberg | 02350a7 | 2013-04-03 21:50:29 +0300 | [diff] [blame] | 5245 | } |
| 5246 | |
Johan Hedberg | e6214487 | 2015-04-02 13:41:08 +0300 | [diff] [blame] | 5247 | /* 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 Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 5258 | switch (event) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5259 | 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 Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 5267 | case HCI_EV_CONN_COMPLETE: |
| 5268 | hci_conn_complete_evt(hdev, skb); |
Marcel Holtmann | 21d9e30 | 2005-09-13 01:32:25 +0200 | [diff] [blame] | 5269 | break; |
| 5270 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5271 | case HCI_EV_CONN_REQUEST: |
| 5272 | hci_conn_request_evt(hdev, skb); |
| 5273 | break; |
| 5274 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5275 | case HCI_EV_DISCONN_COMPLETE: |
| 5276 | hci_disconn_complete_evt(hdev, skb); |
| 5277 | break; |
| 5278 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5279 | case HCI_EV_AUTH_COMPLETE: |
| 5280 | hci_auth_complete_evt(hdev, skb); |
| 5281 | break; |
| 5282 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 5283 | case HCI_EV_REMOTE_NAME: |
| 5284 | hci_remote_name_evt(hdev, skb); |
| 5285 | break; |
| 5286 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5287 | case HCI_EV_ENCRYPT_CHANGE: |
| 5288 | hci_encrypt_change_evt(hdev, skb); |
| 5289 | break; |
| 5290 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 5291 | 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 Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 5299 | case HCI_EV_CMD_COMPLETE: |
Johan Hedberg | e6214487 | 2015-04-02 13:41:08 +0300 | [diff] [blame] | 5300 | hci_cmd_complete_evt(hdev, skb, &opcode, &status, |
| 5301 | &req_complete, &req_complete_skb); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 5302 | break; |
| 5303 | |
| 5304 | case HCI_EV_CMD_STATUS: |
Johan Hedberg | e6214487 | 2015-04-02 13:41:08 +0300 | [diff] [blame] | 5305 | hci_cmd_status_evt(hdev, skb, &opcode, &status, &req_complete, |
| 5306 | &req_complete_skb); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 5307 | break; |
| 5308 | |
Marcel Holtmann | 24dfa34 | 2014-11-02 02:56:41 +0100 | [diff] [blame] | 5309 | case HCI_EV_HARDWARE_ERROR: |
| 5310 | hci_hardware_error_evt(hdev, skb); |
| 5311 | break; |
| 5312 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 5313 | 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 Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5323 | 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 Holtmann | a874641 | 2008-07-14 20:13:46 +0200 | [diff] [blame] | 5341 | case HCI_EV_PKT_TYPE_CHANGE: |
| 5342 | hci_pkt_type_change_evt(hdev, skb); |
| 5343 | break; |
| 5344 | |
Marcel Holtmann | 85a1e93 | 2005-08-09 20:28:02 -0700 | [diff] [blame] | 5345 | case HCI_EV_PSCAN_REP_MODE: |
| 5346 | hci_pscan_rep_mode_evt(hdev, skb); |
| 5347 | break; |
| 5348 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 5349 | 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 Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 5361 | case HCI_EV_EXTENDED_INQUIRY_RESULT: |
| 5362 | hci_extended_inquiry_result_evt(hdev, skb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5363 | break; |
| 5364 | |
Johan Hedberg | 1c2e004 | 2012-06-08 23:31:13 +0800 | [diff] [blame] | 5365 | case HCI_EV_KEY_REFRESH_COMPLETE: |
| 5366 | hci_key_refresh_complete_evt(hdev, skb); |
| 5367 | break; |
| 5368 | |
Marcel Holtmann | 0493684 | 2008-07-14 20:13:48 +0200 | [diff] [blame] | 5369 | case HCI_EV_IO_CAPA_REQUEST: |
| 5370 | hci_io_capa_request_evt(hdev, skb); |
| 5371 | break; |
| 5372 | |
Johan Hedberg | 03b555e | 2011-01-04 15:40:05 +0200 | [diff] [blame] | 5373 | case HCI_EV_IO_CAPA_REPLY: |
| 5374 | hci_io_capa_reply_evt(hdev, skb); |
| 5375 | break; |
| 5376 | |
Johan Hedberg | a5c2968 | 2011-02-19 12:05:57 -0300 | [diff] [blame] | 5377 | case HCI_EV_USER_CONFIRM_REQUEST: |
| 5378 | hci_user_confirm_request_evt(hdev, skb); |
| 5379 | break; |
| 5380 | |
Brian Gix | 1143d45 | 2011-11-23 08:28:34 -0800 | [diff] [blame] | 5381 | case HCI_EV_USER_PASSKEY_REQUEST: |
| 5382 | hci_user_passkey_request_evt(hdev, skb); |
| 5383 | break; |
| 5384 | |
Johan Hedberg | 92a2525 | 2012-09-06 18:39:26 +0300 | [diff] [blame] | 5385 | 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 Holtmann | 0493684 | 2008-07-14 20:13:48 +0200 | [diff] [blame] | 5393 | case HCI_EV_SIMPLE_PAIR_COMPLETE: |
| 5394 | hci_simple_pair_complete_evt(hdev, skb); |
| 5395 | break; |
| 5396 | |
Marcel Holtmann | 41a9621 | 2008-07-14 20:13:48 +0200 | [diff] [blame] | 5397 | case HCI_EV_REMOTE_HOST_FEATURES: |
| 5398 | hci_remote_host_features_evt(hdev, skb); |
| 5399 | break; |
| 5400 | |
Ville Tervo | fcd89c0 | 2011-02-10 22:38:47 -0300 | [diff] [blame] | 5401 | case HCI_EV_LE_META: |
| 5402 | hci_le_meta_evt(hdev, skb); |
| 5403 | break; |
| 5404 | |
Szymon Janc | 2763eda | 2011-03-22 13:12:22 +0100 | [diff] [blame] | 5405 | case HCI_EV_REMOTE_OOB_DATA_REQUEST: |
| 5406 | hci_remote_oob_data_request_evt(hdev, skb); |
| 5407 | break; |
| 5408 | |
Arron Wang | a77a6a1 | 2015-07-24 17:13:15 +0800 | [diff] [blame] | 5409 | #if IS_ENABLED(CONFIG_BT_HS) |
| 5410 | case HCI_EV_CHANNEL_SELECTED: |
| 5411 | hci_chan_selected_evt(hdev, skb); |
| 5412 | break; |
| 5413 | |
Andrei Emeltchenko | d5e9119 | 2012-10-25 15:20:44 +0300 | [diff] [blame] | 5414 | case HCI_EV_PHY_LINK_COMPLETE: |
| 5415 | hci_phy_link_complete_evt(hdev, skb); |
| 5416 | break; |
| 5417 | |
Andrei Emeltchenko | 27695fb | 2012-10-25 15:20:45 +0300 | [diff] [blame] | 5418 | case HCI_EV_LOGICAL_LINK_COMPLETE: |
| 5419 | hci_loglink_complete_evt(hdev, skb); |
| 5420 | break; |
| 5421 | |
Andrei Emeltchenko | 606e2a1 | 2012-10-31 15:46:31 +0200 | [diff] [blame] | 5422 | case HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE: |
| 5423 | hci_disconn_loglink_complete_evt(hdev, skb); |
| 5424 | break; |
| 5425 | |
Andrei Emeltchenko | 9eef6b3 | 2012-10-31 15:46:32 +0200 | [diff] [blame] | 5426 | case HCI_EV_DISCONN_PHY_LINK_COMPLETE: |
| 5427 | hci_disconn_phylink_complete_evt(hdev, skb); |
| 5428 | break; |
Arron Wang | a77a6a1 | 2015-07-24 17:13:15 +0800 | [diff] [blame] | 5429 | #endif |
Andrei Emeltchenko | 9eef6b3 | 2012-10-31 15:46:32 +0200 | [diff] [blame] | 5430 | |
Andrei Emeltchenko | 25e89e9 | 2012-01-04 12:41:58 +0200 | [diff] [blame] | 5431 | case HCI_EV_NUM_COMP_BLOCKS: |
| 5432 | hci_num_comp_blocks_evt(hdev, skb); |
| 5433 | break; |
| 5434 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 5435 | default: |
Andrei Emeltchenko | 9f1db00 | 2012-07-11 14:32:43 +0300 | [diff] [blame] | 5436 | BT_DBG("%s event 0x%2.2x", hdev->name, event); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5437 | break; |
| 5438 | } |
| 5439 | |
Johan Hedberg | 757aa0b | 2015-04-02 13:41:12 +0300 | [diff] [blame] | 5440 | if (req_complete) { |
Johan Hedberg | e6214487 | 2015-04-02 13:41:08 +0300 | [diff] [blame] | 5441 | req_complete(hdev, status, opcode); |
Johan Hedberg | 757aa0b | 2015-04-02 13:41:12 +0300 | [diff] [blame] | 5442 | } 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 Hedberg | e6214487 | 2015-04-02 13:41:08 +0300 | [diff] [blame] | 5447 | req_complete_skb(hdev, status, opcode, orig_skb); |
Johan Hedberg | 757aa0b | 2015-04-02 13:41:12 +0300 | [diff] [blame] | 5448 | } |
Johan Hedberg | e6214487 | 2015-04-02 13:41:08 +0300 | [diff] [blame] | 5449 | |
| 5450 | kfree_skb(orig_skb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5451 | kfree_skb(skb); |
| 5452 | hdev->stat.evt_rx++; |
| 5453 | } |