diff options
Diffstat (limited to 'net/bluetooth_tizen/hci_event.c')
| -rw-r--r-- | net/bluetooth_tizen/hci_event.c | 3604 |
1 files changed, 0 insertions, 3604 deletions
diff --git a/net/bluetooth_tizen/hci_event.c b/net/bluetooth_tizen/hci_event.c deleted file mode 100644 index 17aaa11..0000000 --- a/net/bluetooth_tizen/hci_event.c +++ /dev/null @@ -1,3604 +0,0 @@ -/* - BlueZ - Bluetooth protocol stack for Linux - Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved. - - Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License version 2 as - published by the Free Software Foundation; - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. - IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY - CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES - WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - - ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, - COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS - SOFTWARE IS DISCLAIMED. -*/ - -/* Bluetooth HCI event handling. */ - -#include <linux/module.h> - -#include <linux/types.h> -#include <linux/errno.h> -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/poll.h> -#include <linux/fcntl.h> -#include <linux/init.h> -#include <linux/skbuff.h> -#include <linux/interrupt.h> -#include <linux/notifier.h> -#include <net/sock.h> - -#include <asm/system.h> -#include <linux/uaccess.h> -#include <asm/unaligned.h> - -#include <net/bluetooth/bluetooth.h> -#include <net/bluetooth/hci_core.h> - -/* Handle HCI Event packets */ - -static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb) -{ - __u8 status = *((__u8 *) skb->data); - - BT_DBG("%s status 0x%x", hdev->name, status); - - if (status) { - hci_dev_lock(hdev); - mgmt_stop_discovery_failed(hdev, status); - hci_dev_unlock(hdev); - return; - } - - clear_bit(HCI_INQUIRY, &hdev->flags); - - hci_dev_lock(hdev); - hci_discovery_set_state(hdev, DISCOVERY_STOPPED); - hci_dev_unlock(hdev); - - hci_req_complete(hdev, HCI_OP_INQUIRY_CANCEL, status); - - hci_conn_check_pending(hdev); -} - -static void hci_cc_exit_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb) -{ - __u8 status = *((__u8 *) skb->data); - - BT_DBG("%s status 0x%x", hdev->name, status); - - if (status) - return; - - hci_conn_check_pending(hdev); -} - -static void hci_cc_remote_name_req_cancel(struct hci_dev *hdev, struct sk_buff *skb) -{ - BT_DBG("%s", hdev->name); -} - -static void hci_cc_role_discovery(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_rp_role_discovery *rp = (void *) skb->data; - struct hci_conn *conn; - - BT_DBG("%s status 0x%x", hdev->name, rp->status); - - if (rp->status) - return; - - hci_dev_lock(hdev); - - conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); - if (conn) { - if (rp->role) - conn->link_mode &= ~HCI_LM_MASTER; - else - conn->link_mode |= HCI_LM_MASTER; - } - - hci_dev_unlock(hdev); -} - -static void hci_cc_read_link_policy(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_rp_read_link_policy *rp = (void *) skb->data; - struct hci_conn *conn; - - BT_DBG("%s status 0x%x", hdev->name, rp->status); - - if (rp->status) - return; - - hci_dev_lock(hdev); - - conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); - if (conn) - conn->link_policy = __le16_to_cpu(rp->policy); - - hci_dev_unlock(hdev); -} - -static void hci_cc_write_link_policy(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_rp_write_link_policy *rp = (void *) skb->data; - struct hci_conn *conn; - void *sent; - - BT_DBG("%s status 0x%x", hdev->name, rp->status); - - if (rp->status) - return; - - sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LINK_POLICY); - if (!sent) - return; - - hci_dev_lock(hdev); - - conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); - if (conn) - conn->link_policy = get_unaligned_le16(sent + 2); - - hci_dev_unlock(hdev); -} - -static void hci_cc_read_def_link_policy(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_rp_read_def_link_policy *rp = (void *) skb->data; - - BT_DBG("%s status 0x%x", hdev->name, rp->status); - - if (rp->status) - return; - - hdev->link_policy = __le16_to_cpu(rp->policy); -} - -static void hci_cc_write_def_link_policy(struct hci_dev *hdev, struct sk_buff *skb) -{ - __u8 status = *((__u8 *) skb->data); - void *sent; - - BT_DBG("%s status 0x%x", hdev->name, status); - - sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_DEF_LINK_POLICY); - if (!sent) - return; - - if (!status) - hdev->link_policy = get_unaligned_le16(sent); - - hci_req_complete(hdev, HCI_OP_WRITE_DEF_LINK_POLICY, status); -} - -static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb) -{ - __u8 status = *((__u8 *) skb->data); - - BT_DBG("%s status 0x%x", hdev->name, status); - - clear_bit(HCI_RESET, &hdev->flags); - - hci_req_complete(hdev, HCI_OP_RESET, status); - - /* Reset all non-persistent flags */ - hdev->dev_flags &= ~(BIT(HCI_LE_SCAN) | BIT(HCI_PENDING_CLASS)); - - hdev->discovery.state = DISCOVERY_STOPPED; -} - -static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb) -{ - __u8 status = *((__u8 *) skb->data); - void *sent; - - BT_DBG("%s status 0x%x", hdev->name, status); - - sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME); - if (!sent) - return; - - hci_dev_lock(hdev); - - if (test_bit(HCI_MGMT, &hdev->dev_flags)) - mgmt_set_local_name_complete(hdev, sent, status); - else if (!status) - memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH); - - hci_dev_unlock(hdev); - - hci_req_complete(hdev, HCI_OP_WRITE_LOCAL_NAME, status); -} - -static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_rp_read_local_name *rp = (void *) skb->data; - - BT_DBG("%s status 0x%x", hdev->name, rp->status); - - if (rp->status) - return; - - if (test_bit(HCI_SETUP, &hdev->dev_flags)) - memcpy(hdev->dev_name, rp->name, HCI_MAX_NAME_LENGTH); -} - -static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb) -{ - __u8 status = *((__u8 *) skb->data); - void *sent; - - BT_DBG("%s status 0x%x", hdev->name, status); - - sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_ENABLE); - if (!sent) - return; - - if (!status) { - __u8 param = *((__u8 *) sent); - - if (param == AUTH_ENABLED) - set_bit(HCI_AUTH, &hdev->flags); - else - clear_bit(HCI_AUTH, &hdev->flags); - } - - if (test_bit(HCI_MGMT, &hdev->dev_flags)) - mgmt_auth_enable_complete(hdev, status); - - hci_req_complete(hdev, HCI_OP_WRITE_AUTH_ENABLE, status); -} - -static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb) -{ - __u8 status = *((__u8 *) skb->data); - void *sent; - - BT_DBG("%s status 0x%x", hdev->name, status); - - sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE); - if (!sent) - return; - - if (!status) { - __u8 param = *((__u8 *) sent); - - if (param) - set_bit(HCI_ENCRYPT, &hdev->flags); - else - clear_bit(HCI_ENCRYPT, &hdev->flags); - } - - hci_req_complete(hdev, HCI_OP_WRITE_ENCRYPT_MODE, status); -} - -static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb) -{ - __u8 param, status = *((__u8 *) skb->data); - int old_pscan, old_iscan; - void *sent; - - BT_DBG("%s status 0x%x", hdev->name, status); - - sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SCAN_ENABLE); - if (!sent) - return; - - param = *((__u8 *) sent); - - hci_dev_lock(hdev); - - if (status != 0) { - mgmt_write_scan_failed(hdev, param, status); - hdev->discov_timeout = 0; - goto done; - } - - old_pscan = test_and_clear_bit(HCI_PSCAN, &hdev->flags); - old_iscan = test_and_clear_bit(HCI_ISCAN, &hdev->flags); - - if (param & SCAN_INQUIRY) { - set_bit(HCI_ISCAN, &hdev->flags); - if (!old_iscan) - mgmt_discoverable(hdev, 1); - if (hdev->discov_timeout > 0) { - int to = msecs_to_jiffies(hdev->discov_timeout * 1000); - queue_delayed_work(hdev->workqueue, &hdev->discov_off, - to); - } - } else if (old_iscan) - mgmt_discoverable(hdev, 0); - - if (param & SCAN_PAGE) { - set_bit(HCI_PSCAN, &hdev->flags); - if (!old_pscan) - mgmt_connectable(hdev, 1); - } else if (old_pscan) - mgmt_connectable(hdev, 0); - -done: - hci_dev_unlock(hdev); - hci_req_complete(hdev, HCI_OP_WRITE_SCAN_ENABLE, status); -} - -static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_rp_read_class_of_dev *rp = (void *) skb->data; - - BT_DBG("%s status 0x%x", hdev->name, rp->status); - - if (rp->status) - return; - - memcpy(hdev->dev_class, rp->dev_class, 3); - - BT_DBG("%s class 0x%.2x%.2x%.2x", hdev->name, - hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]); -} - -static void hci_cc_write_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb) -{ - __u8 status = *((__u8 *) skb->data); - void *sent; - - BT_DBG("%s status 0x%x", hdev->name, status); - - sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV); - if (!sent) - return; - - hci_dev_lock(hdev); - - if (status == 0) - memcpy(hdev->dev_class, sent, 3); - - if (test_bit(HCI_MGMT, &hdev->dev_flags)) - mgmt_set_class_of_dev_complete(hdev, sent, status); - - hci_dev_unlock(hdev); -} - -static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_rp_read_voice_setting *rp = (void *) skb->data; - __u16 setting; - - BT_DBG("%s status 0x%x", hdev->name, rp->status); - - if (rp->status) - return; - - setting = __le16_to_cpu(rp->voice_setting); - - if (hdev->voice_setting == setting) - return; - - hdev->voice_setting = setting; - - BT_DBG("%s voice setting 0x%04x", hdev->name, setting); - - if (hdev->notify) - hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING); -} - -static void hci_cc_write_voice_setting(struct hci_dev *hdev, struct sk_buff *skb) -{ - __u8 status = *((__u8 *) skb->data); - __u16 setting; - void *sent; - - BT_DBG("%s status 0x%x", hdev->name, status); - - if (status) - return; - - sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_VOICE_SETTING); - if (!sent) - return; - - setting = get_unaligned_le16(sent); - - if (hdev->voice_setting == setting) - return; - - hdev->voice_setting = setting; - - BT_DBG("%s voice setting 0x%04x", hdev->name, setting); - - if (hdev->notify) - hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING); -} - -static void hci_cc_host_buffer_size(struct hci_dev *hdev, struct sk_buff *skb) -{ - __u8 status = *((__u8 *) skb->data); - - BT_DBG("%s status 0x%x", hdev->name, status); - - hci_req_complete(hdev, HCI_OP_HOST_BUFFER_SIZE, status); -} - -static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb) -{ - __u8 status = *((__u8 *) skb->data); - void *sent; - - BT_DBG("%s status 0x%x", hdev->name, status); - - sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE); - if (!sent) - return; - - if (test_bit(HCI_MGMT, &hdev->dev_flags)) - mgmt_ssp_enable_complete(hdev, *((u8 *) sent), status); - else if (!status) { - if (*((u8 *) sent)) - set_bit(HCI_SSP_ENABLED, &hdev->dev_flags); - else - clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags); - } -} - -static u8 hci_get_inquiry_mode(struct hci_dev *hdev) -{ - if (hdev->features[6] & LMP_EXT_INQ) - return 2; - - if (hdev->features[3] & LMP_RSSI_INQ) - return 1; - - if (hdev->manufacturer == 11 && hdev->hci_rev == 0x00 && - hdev->lmp_subver == 0x0757) - return 1; - - if (hdev->manufacturer == 15) { - if (hdev->hci_rev == 0x03 && hdev->lmp_subver == 0x6963) - return 1; - if (hdev->hci_rev == 0x09 && hdev->lmp_subver == 0x6963) - return 1; - if (hdev->hci_rev == 0x00 && hdev->lmp_subver == 0x6965) - return 1; - } - - if (hdev->manufacturer == 31 && hdev->hci_rev == 0x2005 && - hdev->lmp_subver == 0x1805) - return 1; - - return 0; -} - -static void hci_setup_inquiry_mode(struct hci_dev *hdev) -{ - u8 mode; - - mode = hci_get_inquiry_mode(hdev); - - hci_send_cmd(hdev, HCI_OP_WRITE_INQUIRY_MODE, 1, &mode); -} - -static void hci_setup_event_mask(struct hci_dev *hdev) -{ - /* The second byte is 0xff instead of 0x9f (two reserved bits - * disabled) since a Broadcom 1.2 dongle doesn't respond to the - * command otherwise */ - u8 events[8] = { 0xff, 0xff, 0xfb, 0xff, 0x00, 0x00, 0x00, 0x00 }; - - /* CSR 1.1 dongles does not accept any bitfield so don't try to set - * any event mask for pre 1.2 devices */ - if (hdev->hci_ver < BLUETOOTH_VER_1_2) - return; - - events[4] |= 0x01; /* Flow Specification Complete */ - events[4] |= 0x02; /* Inquiry Result with RSSI */ - events[4] |= 0x04; /* Read Remote Extended Features Complete */ - events[5] |= 0x08; /* Synchronous Connection Complete */ - events[5] |= 0x10; /* Synchronous Connection Changed */ - - if (hdev->features[3] & LMP_RSSI_INQ) - events[4] |= 0x02; /* Inquiry Result with RSSI */ - - if (hdev->features[5] & LMP_SNIFF_SUBR) - events[5] |= 0x20; /* Sniff Subrating */ - - if (hdev->features[5] & LMP_PAUSE_ENC) - events[5] |= 0x80; /* Encryption Key Refresh Complete */ - - if (hdev->features[6] & LMP_EXT_INQ) - events[5] |= 0x40; /* Extended Inquiry Result */ - - if (hdev->features[6] & LMP_NO_FLUSH) - events[7] |= 0x01; /* Enhanced Flush Complete */ - - if (hdev->features[7] & LMP_LSTO) - events[6] |= 0x80; /* Link Supervision Timeout Changed */ - - if (hdev->features[6] & LMP_SIMPLE_PAIR) { - events[6] |= 0x01; /* IO Capability Request */ - events[6] |= 0x02; /* IO Capability Response */ - events[6] |= 0x04; /* User Confirmation Request */ - events[6] |= 0x08; /* User Passkey Request */ - events[6] |= 0x10; /* Remote OOB Data Request */ - events[6] |= 0x20; /* Simple Pairing Complete */ - events[7] |= 0x04; /* User Passkey Notification */ - events[7] |= 0x08; /* Keypress Notification */ - events[7] |= 0x10; /* Remote Host Supported - * Features Notification */ - } - - if (hdev->features[4] & LMP_LE) - events[7] |= 0x20; /* LE Meta-Event */ - - hci_send_cmd(hdev, HCI_OP_SET_EVENT_MASK, sizeof(events), events); -} - -static void hci_setup(struct hci_dev *hdev) -{ - if (hdev->dev_type != HCI_BREDR) - return; - - hci_setup_event_mask(hdev); - - if (hdev->hci_ver > BLUETOOTH_VER_1_1) - hci_send_cmd(hdev, HCI_OP_READ_LOCAL_COMMANDS, 0, NULL); - - if (hdev->features[6] & LMP_SIMPLE_PAIR) { - if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) { - u8 mode = 0x01; - hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, - sizeof(mode), &mode); - } else { - struct hci_cp_write_eir cp; - - memset(hdev->eir, 0, sizeof(hdev->eir)); - memset(&cp, 0, sizeof(cp)); - - hci_send_cmd(hdev, HCI_OP_WRITE_EIR, sizeof(cp), &cp); - } - } - - if (hdev->features[3] & LMP_RSSI_INQ) - hci_setup_inquiry_mode(hdev); - - if (hdev->features[7] & LMP_INQ_TX_PWR) - hci_send_cmd(hdev, HCI_OP_READ_INQ_RSP_TX_POWER, 0, NULL); - - if (hdev->features[7] & LMP_EXTFEATURES) { - struct hci_cp_read_local_ext_features cp; - - cp.page = 0x01; - hci_send_cmd(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES, sizeof(cp), - &cp); - } - - if (test_bit(HCI_LINK_SECURITY, &hdev->dev_flags)) { - u8 enable = 1; - hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, sizeof(enable), - &enable); - } -} - -static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_rp_read_local_version *rp = (void *) skb->data; - - BT_DBG("%s status 0x%x", hdev->name, rp->status); - - if (rp->status) - goto done; - - hdev->hci_ver = rp->hci_ver; - hdev->hci_rev = __le16_to_cpu(rp->hci_rev); - hdev->lmp_ver = rp->lmp_ver; - hdev->manufacturer = __le16_to_cpu(rp->manufacturer); - hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver); - - BT_DBG("%s manufacturer %d hci ver %d:%d", hdev->name, - hdev->manufacturer, - hdev->hci_ver, hdev->hci_rev); - - if (test_bit(HCI_INIT, &hdev->flags)) - hci_setup(hdev); - -done: - hci_req_complete(hdev, HCI_OP_READ_LOCAL_VERSION, rp->status); -} - -static void hci_setup_link_policy(struct hci_dev *hdev) -{ - u16 link_policy = 0; - - if (hdev->features[0] & LMP_RSWITCH) - link_policy |= HCI_LP_RSWITCH; - if (hdev->features[0] & LMP_HOLD) - link_policy |= HCI_LP_HOLD; - if (hdev->features[0] & LMP_SNIFF) - link_policy |= HCI_LP_SNIFF; - if (hdev->features[1] & LMP_PARK) - link_policy |= HCI_LP_PARK; - - link_policy = cpu_to_le16(link_policy); - hci_send_cmd(hdev, HCI_OP_WRITE_DEF_LINK_POLICY, sizeof(link_policy), - &link_policy); -} - -static void hci_cc_read_local_commands(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_rp_read_local_commands *rp = (void *) skb->data; - - BT_DBG("%s status 0x%x", hdev->name, rp->status); - - if (rp->status) - goto done; - - memcpy(hdev->commands, rp->commands, sizeof(hdev->commands)); - - if (test_bit(HCI_INIT, &hdev->flags) && (hdev->commands[5] & 0x10)) - hci_setup_link_policy(hdev); - -done: - hci_req_complete(hdev, HCI_OP_READ_LOCAL_COMMANDS, rp->status); -} - -static void hci_cc_read_local_features(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_rp_read_local_features *rp = (void *) skb->data; - - BT_DBG("%s status 0x%x", hdev->name, rp->status); - - if (rp->status) - return; - - memcpy(hdev->features, rp->features, 8); - - /* Adjust default settings according to features - * supported by device. */ - - if (hdev->features[0] & LMP_3SLOT) - hdev->pkt_type |= (HCI_DM3 | HCI_DH3); - - if (hdev->features[0] & LMP_5SLOT) - hdev->pkt_type |= (HCI_DM5 | HCI_DH5); - - if (hdev->features[1] & LMP_HV2) { - hdev->pkt_type |= (HCI_HV2); - hdev->esco_type |= (ESCO_HV2); - } - - if (hdev->features[1] & LMP_HV3) { - hdev->pkt_type |= (HCI_HV3); - hdev->esco_type |= (ESCO_HV3); - } - - if (hdev->features[3] & LMP_ESCO) - hdev->esco_type |= (ESCO_EV3); - - if (hdev->features[4] & LMP_EV4) - hdev->esco_type |= (ESCO_EV4); - - if (hdev->features[4] & LMP_EV5) - hdev->esco_type |= (ESCO_EV5); - - if (hdev->features[5] & LMP_EDR_ESCO_2M) - hdev->esco_type |= (ESCO_2EV3); - - if (hdev->features[5] & LMP_EDR_ESCO_3M) - hdev->esco_type |= (ESCO_3EV3); - - if (hdev->features[5] & LMP_EDR_3S_ESCO) - hdev->esco_type |= (ESCO_2EV5 | ESCO_3EV5); - - BT_DBG("%s features 0x%.2x%.2x%.2x%.2x%.2x%.2x%.2x%.2x", hdev->name, - hdev->features[0], hdev->features[1], - hdev->features[2], hdev->features[3], - hdev->features[4], hdev->features[5], - hdev->features[6], hdev->features[7]); -} - -static void hci_set_le_support(struct hci_dev *hdev) -{ - struct hci_cp_write_le_host_supported cp; - - memset(&cp, 0, sizeof(cp)); - - if (enable_le && test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) { - cp.le = 1; - cp.simul = !!(hdev->features[6] & LMP_SIMUL_LE_BR); - } - - if (cp.le != !!(hdev->host_features[0] & LMP_HOST_LE)) - hci_send_cmd(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(cp), - &cp); -} - -static void hci_cc_read_local_ext_features(struct hci_dev *hdev, - struct sk_buff *skb) -{ - struct hci_rp_read_local_ext_features *rp = (void *) skb->data; - - BT_DBG("%s status 0x%x", hdev->name, rp->status); - - if (rp->status) - goto done; - - switch (rp->page) { - case 0: - memcpy(hdev->features, rp->features, 8); - break; - case 1: - memcpy(hdev->host_features, rp->features, 8); - break; - } - - if (test_bit(HCI_INIT, &hdev->flags) && hdev->features[4] & LMP_LE) - hci_set_le_support(hdev); - -done: - hci_req_complete(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES, rp->status); -} - -static void hci_cc_read_flow_control_mode(struct hci_dev *hdev, - struct sk_buff *skb) -{ - struct hci_rp_read_flow_control_mode *rp = (void *) skb->data; - - BT_DBG("%s status 0x%x", hdev->name, rp->status); - - if (rp->status) - return; - - hdev->flow_ctl_mode = rp->mode; - - hci_req_complete(hdev, HCI_OP_READ_FLOW_CONTROL_MODE, rp->status); -} - -static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_rp_read_buffer_size *rp = (void *) skb->data; - - BT_DBG("%s status 0x%x", hdev->name, rp->status); - - if (rp->status) - return; - - hdev->acl_mtu = __le16_to_cpu(rp->acl_mtu); - hdev->sco_mtu = rp->sco_mtu; - hdev->acl_pkts = __le16_to_cpu(rp->acl_max_pkt); - hdev->sco_pkts = __le16_to_cpu(rp->sco_max_pkt); - - if (test_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks)) { - hdev->sco_mtu = 64; - hdev->sco_pkts = 8; - } - - hdev->acl_cnt = hdev->acl_pkts; - hdev->sco_cnt = hdev->sco_pkts; - - BT_DBG("%s acl mtu %d:%d sco mtu %d:%d", hdev->name, - hdev->acl_mtu, hdev->acl_pkts, - hdev->sco_mtu, hdev->sco_pkts); -} - -static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_rp_read_bd_addr *rp = (void *) skb->data; - - BT_DBG("%s status 0x%x", hdev->name, rp->status); - - if (!rp->status) - bacpy(&hdev->bdaddr, &rp->bdaddr); - - hci_req_complete(hdev, HCI_OP_READ_BD_ADDR, rp->status); -} - -static void hci_cc_read_data_block_size(struct hci_dev *hdev, - struct sk_buff *skb) -{ - struct hci_rp_read_data_block_size *rp = (void *) skb->data; - - BT_DBG("%s status 0x%x", hdev->name, rp->status); - - if (rp->status) - return; - - hdev->block_mtu = __le16_to_cpu(rp->max_acl_len); - hdev->block_len = __le16_to_cpu(rp->block_len); - hdev->num_blocks = __le16_to_cpu(rp->num_blocks); - - hdev->block_cnt = hdev->num_blocks; - - BT_DBG("%s blk mtu %d cnt %d len %d", hdev->name, hdev->block_mtu, - hdev->block_cnt, hdev->block_len); - - hci_req_complete(hdev, HCI_OP_READ_DATA_BLOCK_SIZE, rp->status); -} - -static void hci_cc_write_ca_timeout(struct hci_dev *hdev, struct sk_buff *skb) -{ - __u8 status = *((__u8 *) skb->data); - - BT_DBG("%s status 0x%x", hdev->name, status); - - hci_req_complete(hdev, HCI_OP_WRITE_CA_TIMEOUT, status); -} - -static void hci_cc_read_local_amp_info(struct hci_dev *hdev, - struct sk_buff *skb) -{ - struct hci_rp_read_local_amp_info *rp = (void *) skb->data; - - BT_DBG("%s status 0x%x", hdev->name, rp->status); - - if (rp->status) - return; - - hdev->amp_status = rp->amp_status; - hdev->amp_total_bw = __le32_to_cpu(rp->total_bw); - hdev->amp_max_bw = __le32_to_cpu(rp->max_bw); - hdev->amp_min_latency = __le32_to_cpu(rp->min_latency); - hdev->amp_max_pdu = __le32_to_cpu(rp->max_pdu); - hdev->amp_type = rp->amp_type; - hdev->amp_pal_cap = __le16_to_cpu(rp->pal_cap); - hdev->amp_assoc_size = __le16_to_cpu(rp->max_assoc_size); - hdev->amp_be_flush_to = __le32_to_cpu(rp->be_flush_to); - hdev->amp_max_flush_to = __le32_to_cpu(rp->max_flush_to); - - hci_req_complete(hdev, HCI_OP_READ_LOCAL_AMP_INFO, rp->status); -} - -static void hci_cc_delete_stored_link_key(struct hci_dev *hdev, - struct sk_buff *skb) -{ - __u8 status = *((__u8 *) skb->data); - - BT_DBG("%s status 0x%x", hdev->name, status); - - hci_req_complete(hdev, HCI_OP_DELETE_STORED_LINK_KEY, status); -} - -static void hci_cc_set_event_mask(struct hci_dev *hdev, struct sk_buff *skb) -{ - __u8 status = *((__u8 *) skb->data); - - BT_DBG("%s status 0x%x", hdev->name, status); - - hci_req_complete(hdev, HCI_OP_SET_EVENT_MASK, status); -} - -static void hci_cc_write_inquiry_mode(struct hci_dev *hdev, - struct sk_buff *skb) -{ - __u8 status = *((__u8 *) skb->data); - - BT_DBG("%s status 0x%x", hdev->name, status); - - hci_req_complete(hdev, HCI_OP_WRITE_INQUIRY_MODE, status); -} - -static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev, - struct sk_buff *skb) -{ - __u8 status = *((__u8 *) skb->data); - - BT_DBG("%s status 0x%x", hdev->name, status); - - hci_req_complete(hdev, HCI_OP_READ_INQ_RSP_TX_POWER, status); -} - -static void hci_cc_set_event_flt(struct hci_dev *hdev, struct sk_buff *skb) -{ - __u8 status = *((__u8 *) skb->data); - - BT_DBG("%s status 0x%x", hdev->name, status); - - hci_req_complete(hdev, HCI_OP_SET_EVENT_FLT, status); -} - -static void hci_cc_pin_code_reply(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_rp_pin_code_reply *rp = (void *) skb->data; - struct hci_cp_pin_code_reply *cp; - struct hci_conn *conn; - - BT_DBG("%s status 0x%x", hdev->name, rp->status); - - hci_dev_lock(hdev); - - if (test_bit(HCI_MGMT, &hdev->dev_flags)) - mgmt_pin_code_reply_complete(hdev, &rp->bdaddr, rp->status); - - if (rp->status != 0) - goto unlock; - - cp = hci_sent_cmd_data(hdev, HCI_OP_PIN_CODE_REPLY); - if (!cp) - goto unlock; - - conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); - if (conn) - conn->pin_length = cp->pin_len; - -unlock: - hci_dev_unlock(hdev); -} - -static void hci_cc_pin_code_neg_reply(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_rp_pin_code_neg_reply *rp = (void *) skb->data; - - BT_DBG("%s status 0x%x", hdev->name, rp->status); - - hci_dev_lock(hdev); - - if (test_bit(HCI_MGMT, &hdev->dev_flags)) - mgmt_pin_code_neg_reply_complete(hdev, &rp->bdaddr, - rp->status); - - hci_dev_unlock(hdev); -} - -static void hci_cc_le_read_buffer_size(struct hci_dev *hdev, - struct sk_buff *skb) -{ - struct hci_rp_le_read_buffer_size *rp = (void *) skb->data; - - BT_DBG("%s status 0x%x", hdev->name, rp->status); - - if (rp->status) - return; - - hdev->le_mtu = __le16_to_cpu(rp->le_mtu); - hdev->le_pkts = rp->le_max_pkt; - - hdev->le_cnt = hdev->le_pkts; - - BT_DBG("%s le mtu %d:%d", hdev->name, hdev->le_mtu, hdev->le_pkts); - - hci_req_complete(hdev, HCI_OP_LE_READ_BUFFER_SIZE, rp->status); -} - -static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_rp_user_confirm_reply *rp = (void *) skb->data; - - BT_DBG("%s status 0x%x", hdev->name, rp->status); - - hci_dev_lock(hdev); - - if (test_bit(HCI_MGMT, &hdev->dev_flags)) - mgmt_user_confirm_reply_complete(hdev, &rp->bdaddr, ACL_LINK, 0, - rp->status); - - hci_dev_unlock(hdev); -} - -static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev, - struct sk_buff *skb) -{ - struct hci_rp_user_confirm_reply *rp = (void *) skb->data; - - BT_DBG("%s status 0x%x", hdev->name, rp->status); - - hci_dev_lock(hdev); - - if (test_bit(HCI_MGMT, &hdev->dev_flags)) - mgmt_user_confirm_neg_reply_complete(hdev, &rp->bdaddr, - ACL_LINK, 0, rp->status); - - hci_dev_unlock(hdev); -} - -static void hci_cc_user_passkey_reply(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_rp_user_confirm_reply *rp = (void *) skb->data; - - BT_DBG("%s status 0x%x", hdev->name, rp->status); - - hci_dev_lock(hdev); - - if (test_bit(HCI_MGMT, &hdev->dev_flags)) - mgmt_user_passkey_reply_complete(hdev, &rp->bdaddr, ACL_LINK, - 0, rp->status); - - hci_dev_unlock(hdev); -} - -static void hci_cc_user_passkey_neg_reply(struct hci_dev *hdev, - struct sk_buff *skb) -{ - struct hci_rp_user_confirm_reply *rp = (void *) skb->data; - - BT_DBG("%s status 0x%x", hdev->name, rp->status); - - hci_dev_lock(hdev); - - if (test_bit(HCI_MGMT, &hdev->dev_flags)) - mgmt_user_passkey_neg_reply_complete(hdev, &rp->bdaddr, - ACL_LINK, 0, rp->status); - - hci_dev_unlock(hdev); -} - -static void hci_cc_read_local_oob_data_reply(struct hci_dev *hdev, - struct sk_buff *skb) -{ - struct hci_rp_read_local_oob_data *rp = (void *) skb->data; - - BT_DBG("%s status 0x%x", hdev->name, rp->status); - - hci_dev_lock(hdev); - mgmt_read_local_oob_data_reply_complete(hdev, rp->hash, - rp->randomizer, rp->status); - hci_dev_unlock(hdev); -} - -static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb) -{ - __u8 status = *((__u8 *) skb->data); - - BT_DBG("%s status 0x%x", hdev->name, status); - - hci_req_complete(hdev, HCI_OP_LE_SET_SCAN_PARAM, status); - - if (status) { - hci_dev_lock(hdev); - mgmt_start_discovery_failed(hdev, status); - hci_dev_unlock(hdev); - return; - } -} - -static void hci_cc_le_set_scan_enable(struct hci_dev *hdev, - struct sk_buff *skb) -{ - struct hci_cp_le_set_scan_enable *cp; - __u8 status = *((__u8 *) skb->data); - - BT_DBG("%s status 0x%x", hdev->name, status); - - cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE); - if (!cp) - return; - - switch (cp->enable) { - case LE_SCANNING_ENABLED: - hci_req_complete(hdev, HCI_OP_LE_SET_SCAN_ENABLE, status); - - if (status) { - hci_dev_lock(hdev); - mgmt_start_discovery_failed(hdev, status); - hci_dev_unlock(hdev); - return; - } - - set_bit(HCI_LE_SCAN, &hdev->dev_flags); - - cancel_delayed_work_sync(&hdev->adv_work); - - hci_dev_lock(hdev); - hci_adv_entries_clear(hdev); - hci_discovery_set_state(hdev, DISCOVERY_FINDING); - hci_dev_unlock(hdev); - break; - - case LE_SCANNING_DISABLED: - if (status) - return; - - clear_bit(HCI_LE_SCAN, &hdev->dev_flags); - - schedule_delayed_work(&hdev->adv_work, ADV_CLEAR_TIMEOUT); - - if (hdev->discovery.type == DISCOV_TYPE_INTERLEAVED) { - mgmt_interleaved_discovery(hdev); - } else { - hci_dev_lock(hdev); - hci_discovery_set_state(hdev, DISCOVERY_STOPPED); - hci_dev_unlock(hdev); - } - - break; - - default: - BT_ERR("Used reserved LE_Scan_Enable param %d", cp->enable); - break; - } -} - -static void hci_cc_le_ltk_reply(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_rp_le_ltk_reply *rp = (void *) skb->data; - - BT_DBG("%s status 0x%x", hdev->name, rp->status); - - if (rp->status) - return; - - hci_req_complete(hdev, HCI_OP_LE_LTK_REPLY, rp->status); -} - -static void hci_cc_le_ltk_neg_reply(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_rp_le_ltk_neg_reply *rp = (void *) skb->data; - - BT_DBG("%s status 0x%x", hdev->name, rp->status); - - if (rp->status) - return; - - hci_req_complete(hdev, HCI_OP_LE_LTK_NEG_REPLY, rp->status); -} - -static inline void hci_cc_write_le_host_supported(struct hci_dev *hdev, - struct sk_buff *skb) -{ - struct hci_cp_write_le_host_supported *sent; - __u8 status = *((__u8 *) skb->data); - - BT_DBG("%s status 0x%x", hdev->name, status); - - sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED); - if (!sent) - return; - - if (!status) { - if (sent->le) - hdev->host_features[0] |= LMP_HOST_LE; - else - hdev->host_features[0] &= ~LMP_HOST_LE; - } - - if (test_bit(HCI_MGMT, &hdev->dev_flags) && - !test_bit(HCI_INIT, &hdev->flags)) - mgmt_le_enable_complete(hdev, sent->le, status); - - hci_req_complete(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED, status); -} - -static inline void hci_cs_inquiry(struct hci_dev *hdev, __u8 status) -{ - BT_DBG("%s status 0x%x", hdev->name, status); - - if (status) { - hci_req_complete(hdev, HCI_OP_INQUIRY, status); - hci_conn_check_pending(hdev); - hci_dev_lock(hdev); - if (test_bit(HCI_MGMT, &hdev->dev_flags)) - mgmt_start_discovery_failed(hdev, status); - hci_dev_unlock(hdev); - return; - } - - set_bit(HCI_INQUIRY, &hdev->flags); - - hci_dev_lock(hdev); - hci_discovery_set_state(hdev, DISCOVERY_FINDING); - hci_dev_unlock(hdev); -} - -static inline void hci_cs_create_conn(struct hci_dev *hdev, __u8 status) -{ - struct hci_cp_create_conn *cp; - struct hci_conn *conn; - - BT_DBG("%s status 0x%x", hdev->name, status); - - cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN); - if (!cp) - return; - - hci_dev_lock(hdev); - - conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); - - BT_DBG("%s bdaddr %s conn %p", hdev->name, batostr(&cp->bdaddr), conn); - - if (status) { - if (conn && conn->state == BT_CONNECT) { - if (status != 0x0c || conn->attempt > 2) { - conn->state = BT_CLOSED; - hci_proto_connect_cfm(conn, status); - hci_conn_del(conn); - } else - conn->state = BT_CONNECT2; - } - } else { - if (!conn) { - conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr); - if (conn) { - conn->out = true; - conn->link_mode |= HCI_LM_MASTER; - } else - BT_ERR("No memory for new connection"); - } - } - - hci_dev_unlock(hdev); -} - -static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status) -{ - struct hci_cp_add_sco *cp; - struct hci_conn *acl, *sco; - __u16 handle; - - BT_DBG("%s status 0x%x", hdev->name, status); - - if (!status) - return; - - cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO); - if (!cp) - return; - - handle = __le16_to_cpu(cp->handle); - - BT_DBG("%s handle %d", hdev->name, handle); - - hci_dev_lock(hdev); - - acl = hci_conn_hash_lookup_handle(hdev, handle); - if (acl) { - sco = acl->link; - if (sco) { - sco->state = BT_CLOSED; - - hci_proto_connect_cfm(sco, status); - hci_conn_del(sco); - } - } - - hci_dev_unlock(hdev); -} - -static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status) -{ - struct hci_cp_auth_requested *cp; - struct hci_conn *conn; - - BT_DBG("%s status 0x%x", hdev->name, status); - - if (!status) - return; - - cp = hci_sent_cmd_data(hdev, HCI_OP_AUTH_REQUESTED); - if (!cp) - return; - - hci_dev_lock(hdev); - - conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); - if (conn) { - if (conn->state == BT_CONFIG) { - hci_proto_connect_cfm(conn, status); - hci_conn_put(conn); - } - } - - hci_dev_unlock(hdev); -} - -static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status) -{ - struct hci_cp_set_conn_encrypt *cp; - struct hci_conn *conn; - - BT_DBG("%s status 0x%x", hdev->name, status); - - if (!status) - return; - - cp = hci_sent_cmd_data(hdev, HCI_OP_SET_CONN_ENCRYPT); - if (!cp) - return; - - hci_dev_lock(hdev); - - conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); - if (conn) { - if (conn->state == BT_CONFIG) { - hci_proto_connect_cfm(conn, status); - hci_conn_put(conn); - } - } - - hci_dev_unlock(hdev); -} - -static int hci_outgoing_auth_needed(struct hci_dev *hdev, - struct hci_conn *conn) -{ - if (conn->state != BT_CONFIG || !conn->out) - return 0; - - if (conn->pending_sec_level == BT_SECURITY_SDP) - return 0; - - /* Only request authentication for SSP connections or non-SSP - * devices with sec_level HIGH or if MITM protection is requested */ - if (!hci_conn_ssp_enabled(conn) && - conn->pending_sec_level != BT_SECURITY_HIGH && - !(conn->auth_type & 0x01)) - return 0; - - return 1; -} - -static inline int hci_resolve_name(struct hci_dev *hdev, - struct inquiry_entry *e) -{ - struct hci_cp_remote_name_req cp; - - memset(&cp, 0, sizeof(cp)); - - bacpy(&cp.bdaddr, &e->data.bdaddr); - cp.pscan_rep_mode = e->data.pscan_rep_mode; - cp.pscan_mode = e->data.pscan_mode; - cp.clock_offset = e->data.clock_offset; - - return hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp); -} - -static bool hci_resolve_next_name(struct hci_dev *hdev) -{ - struct discovery_state *discov = &hdev->discovery; - struct inquiry_entry *e; - - if (list_empty(&discov->resolve)) - return false; - - e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED); - if (hci_resolve_name(hdev, e) == 0) { - e->name_state = NAME_PENDING; - return true; - } - - return false; -} - -static void hci_check_pending_name(struct hci_dev *hdev, struct hci_conn *conn, - bdaddr_t *bdaddr, u8 *name, u8 name_len) -{ - struct discovery_state *discov = &hdev->discovery; - struct inquiry_entry *e; - - if (conn && !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) - mgmt_device_connected(hdev, bdaddr, ACL_LINK, 0x00, 0, name, - name_len, conn->dev_class); - - if (discov->state == DISCOVERY_STOPPED) - return; - - if (discov->state == DISCOVERY_STOPPING) - goto discov_complete; - - if (discov->state != DISCOVERY_RESOLVING) - return; - - e = hci_inquiry_cache_lookup_resolve(hdev, bdaddr, NAME_PENDING); - if (e) { - e->name_state = NAME_KNOWN; - list_del(&e->list); - if (name) - mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00, - e->data.rssi, name, name_len); - } - - if (hci_resolve_next_name(hdev)) - return; - -discov_complete: - hci_discovery_set_state(hdev, DISCOVERY_STOPPED); -} - -static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status) -{ - struct hci_cp_remote_name_req *cp; - struct hci_conn *conn; - - BT_DBG("%s status 0x%x", hdev->name, status); - - /* If successful wait for the name req complete event before - * checking for the need to do authentication */ - if (!status) - return; - - cp = hci_sent_cmd_data(hdev, HCI_OP_REMOTE_NAME_REQ); - if (!cp) - return; - - hci_dev_lock(hdev); - - conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); - - if (test_bit(HCI_MGMT, &hdev->dev_flags)) - hci_check_pending_name(hdev, conn, &cp->bdaddr, NULL, 0); - - if (!conn) - goto unlock; - - if (!hci_outgoing_auth_needed(hdev, conn)) - goto unlock; - - if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) { - struct hci_cp_auth_requested cp; - cp.handle = __cpu_to_le16(conn->handle); - hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp); - } - -unlock: - hci_dev_unlock(hdev); -} - -static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status) -{ - struct hci_cp_read_remote_features *cp; - struct hci_conn *conn; - - BT_DBG("%s status 0x%x", hdev->name, status); - - if (!status) - return; - - cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_FEATURES); - if (!cp) - return; - - hci_dev_lock(hdev); - - conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); - if (conn) { - if (conn->state == BT_CONFIG) { - hci_proto_connect_cfm(conn, status); - hci_conn_put(conn); - } - } - - hci_dev_unlock(hdev); -} - -static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status) -{ - struct hci_cp_read_remote_ext_features *cp; - struct hci_conn *conn; - - BT_DBG("%s status 0x%x", hdev->name, status); - - if (!status) - return; - - cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES); - if (!cp) - return; - - hci_dev_lock(hdev); - - conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); - if (conn) { - if (conn->state == BT_CONFIG) { - hci_proto_connect_cfm(conn, status); - hci_conn_put(conn); - } - } - - hci_dev_unlock(hdev); -} - -static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status) -{ - struct hci_cp_setup_sync_conn *cp; - struct hci_conn *acl, *sco; - __u16 handle; - - BT_DBG("%s status 0x%x", hdev->name, status); - - if (!status) - return; - - cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN); - if (!cp) - return; - - handle = __le16_to_cpu(cp->handle); - - BT_DBG("%s handle %d", hdev->name, handle); - - hci_dev_lock(hdev); - - acl = hci_conn_hash_lookup_handle(hdev, handle); - if (acl) { - sco = acl->link; - if (sco) { - sco->state = BT_CLOSED; - - hci_proto_connect_cfm(sco, status); - hci_conn_del(sco); - } - } - - hci_dev_unlock(hdev); -} - -static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status) -{ - struct hci_cp_sniff_mode *cp; - struct hci_conn *conn; - - BT_DBG("%s status 0x%x", hdev->name, status); - - if (!status) - return; - - cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE); - if (!cp) - return; - - hci_dev_lock(hdev); - - conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); - if (conn) { - clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags); - - if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags)) - hci_sco_setup(conn, status); - } - - hci_dev_unlock(hdev); -} - -static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status) -{ - struct hci_cp_exit_sniff_mode *cp; - struct hci_conn *conn; - - BT_DBG("%s status 0x%x", hdev->name, status); - - if (!status) - return; - - cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE); - if (!cp) - return; - - hci_dev_lock(hdev); - - conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); - if (conn) { - clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags); - - if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags)) - hci_sco_setup(conn, status); - } - - hci_dev_unlock(hdev); -} - -static void hci_cs_disconnect(struct hci_dev *hdev, u8 status) -{ - struct hci_cp_disconnect *cp; - struct hci_conn *conn; - - if (!status) - return; - - cp = hci_sent_cmd_data(hdev, HCI_OP_DISCONNECT); - if (!cp) - return; - - hci_dev_lock(hdev); - - conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); - if (conn) - mgmt_disconnect_failed(hdev, &conn->dst, conn->type, - conn->dst_type, status); - - hci_dev_unlock(hdev); -} - -static void hci_cs_le_create_conn(struct hci_dev *hdev, __u8 status) -{ - struct hci_cp_le_create_conn *cp; - struct hci_conn *conn; - - BT_DBG("%s status 0x%x", hdev->name, status); - - cp = hci_sent_cmd_data(hdev, HCI_OP_LE_CREATE_CONN); - if (!cp) - return; - - hci_dev_lock(hdev); - - conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->peer_addr); - - BT_DBG("%s bdaddr %s conn %p", hdev->name, batostr(&cp->peer_addr), - conn); - - if (status) { - if (conn && conn->state == BT_CONNECT) { - conn->state = BT_CLOSED; - hci_proto_connect_cfm(conn, status); - hci_conn_del(conn); - } - } else { - if (!conn) { - conn = hci_conn_add(hdev, LE_LINK, &cp->peer_addr); - if (conn) { - conn->dst_type = cp->peer_addr_type; - conn->out = true; - } else { - BT_ERR("No memory for new connection"); - } - } - } - - hci_dev_unlock(hdev); -} - -static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status) -{ - BT_DBG("%s status 0x%x", hdev->name, status); -} - -static inline void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) -{ - __u8 status = *((__u8 *) skb->data); - struct discovery_state *discov = &hdev->discovery; - struct inquiry_entry *e; - - BT_DBG("%s status %d", hdev->name, status); - - hci_req_complete(hdev, HCI_OP_INQUIRY, status); - - hci_conn_check_pending(hdev); - - if (!test_and_clear_bit(HCI_INQUIRY, &hdev->flags)) - return; - - if (!test_bit(HCI_MGMT, &hdev->dev_flags)) - return; - - hci_dev_lock(hdev); - - if (discov->state != DISCOVERY_FINDING) - goto unlock; - - if (list_empty(&discov->resolve)) { - hci_discovery_set_state(hdev, DISCOVERY_STOPPED); - goto unlock; - } - - e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED); - if (e && hci_resolve_name(hdev, e) == 0) { - e->name_state = NAME_PENDING; - hci_discovery_set_state(hdev, DISCOVERY_RESOLVING); - } else { - hci_discovery_set_state(hdev, DISCOVERY_STOPPED); - } - -unlock: - hci_dev_unlock(hdev); -} - -static inline void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct inquiry_data data; - struct inquiry_info *info = (void *) (skb->data + 1); - int num_rsp = *((__u8 *) skb->data); - - BT_DBG("%s num_rsp %d", hdev->name, num_rsp); - - if (!num_rsp) - return; - - hci_dev_lock(hdev); - - for (; num_rsp; num_rsp--, info++) { - bool name_known, ssp; - - bacpy(&data.bdaddr, &info->bdaddr); - data.pscan_rep_mode = info->pscan_rep_mode; - data.pscan_period_mode = info->pscan_period_mode; - data.pscan_mode = info->pscan_mode; - memcpy(data.dev_class, info->dev_class, 3); - data.clock_offset = info->clock_offset; - data.rssi = 0x00; - data.ssp_mode = 0x00; - - name_known = hci_inquiry_cache_update(hdev, &data, false, &ssp); - mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00, - info->dev_class, 0, !name_known, ssp, NULL, - 0); - } - - hci_dev_unlock(hdev); -} - -static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_ev_conn_complete *ev = (void *) skb->data; - struct hci_conn *conn; - - BT_DBG("%s", hdev->name); - - hci_dev_lock(hdev); - - conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr); - if (!conn) { - if (ev->link_type != SCO_LINK) - goto unlock; - - conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr); - if (!conn) - goto unlock; - - conn->type = SCO_LINK; - } - - if (!ev->status) { - conn->handle = __le16_to_cpu(ev->handle); - - if (conn->type == ACL_LINK) { - conn->state = BT_CONFIG; - hci_conn_hold(conn); - conn->disc_timeout = HCI_DISCONN_TIMEOUT; - } else - conn->state = BT_CONNECTED; - - hci_conn_hold_device(conn); - hci_conn_add_sysfs(conn); - - if (test_bit(HCI_AUTH, &hdev->flags)) - conn->link_mode |= HCI_LM_AUTH; - - if (test_bit(HCI_ENCRYPT, &hdev->flags)) - conn->link_mode |= HCI_LM_ENCRYPT; - - /* Get remote features */ - if (conn->type == ACL_LINK) { - struct hci_cp_read_remote_features cp; - cp.handle = ev->handle; - hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES, - sizeof(cp), &cp); - } - - /* Set packet type for incoming connection */ - if (!conn->out && hdev->hci_ver < BLUETOOTH_VER_2_0) { - struct hci_cp_change_conn_ptype cp; - cp.handle = ev->handle; - cp.pkt_type = cpu_to_le16(conn->pkt_type); - hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp), - &cp); - } - } else { - conn->state = BT_CLOSED; - if (conn->type == ACL_LINK) - mgmt_connect_failed(hdev, &ev->bdaddr, conn->type, - conn->dst_type, ev->status); - } - - if (conn->type == ACL_LINK) - hci_sco_setup(conn, ev->status); - - if (ev->status) { - hci_proto_connect_cfm(conn, ev->status); - hci_conn_del(conn); - } else if (ev->link_type != ACL_LINK) - hci_proto_connect_cfm(conn, ev->status); - -unlock: - hci_dev_unlock(hdev); - - hci_conn_check_pending(hdev); -} - -static inline void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_ev_conn_request *ev = (void *) skb->data; - int mask = hdev->link_mode; - - BT_DBG("%s bdaddr %s type 0x%x", hdev->name, - batostr(&ev->bdaddr), ev->link_type); - - mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type); - - if ((mask & HCI_LM_ACCEPT) && - !hci_blacklist_lookup(hdev, &ev->bdaddr)) { - /* Connection accepted */ - struct inquiry_entry *ie; - struct hci_conn *conn; - - hci_dev_lock(hdev); - - ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr); - if (ie) - memcpy(ie->data.dev_class, ev->dev_class, 3); - - conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr); - if (!conn) { - conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr); - if (!conn) { - BT_ERR("No memory for new connection"); - hci_dev_unlock(hdev); - return; - } - } - - memcpy(conn->dev_class, ev->dev_class, 3); - conn->state = BT_CONNECT; - - hci_dev_unlock(hdev); - - if (ev->link_type == ACL_LINK || !lmp_esco_capable(hdev)) { - struct hci_cp_accept_conn_req cp; - - bacpy(&cp.bdaddr, &ev->bdaddr); - - if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER)) - cp.role = 0x00; /* Become master */ - else - cp.role = 0x01; /* Remain slave */ - - hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp), - &cp); - } else { - struct hci_cp_accept_sync_conn_req cp; - - bacpy(&cp.bdaddr, &ev->bdaddr); - cp.pkt_type = cpu_to_le16(conn->pkt_type); - - cp.tx_bandwidth = cpu_to_le32(0x00001f40); - cp.rx_bandwidth = cpu_to_le32(0x00001f40); - cp.max_latency = cpu_to_le16(0xffff); - cp.content_format = cpu_to_le16(hdev->voice_setting); - cp.retrans_effort = 0xff; - - hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ, - sizeof(cp), &cp); - } - } else { - /* Connection rejected */ - struct hci_cp_reject_conn_req cp; - - bacpy(&cp.bdaddr, &ev->bdaddr); - cp.reason = HCI_ERROR_REJ_BAD_ADDR; - hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp); - } -} - -static inline void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_ev_disconn_complete *ev = (void *) skb->data; - struct hci_conn *conn; - - BT_DBG("%s status %d", hdev->name, ev->status); - - hci_dev_lock(hdev); - - conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); - if (!conn) - goto unlock; - - if (ev->status == 0) - conn->state = BT_CLOSED; - - if (test_and_clear_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags) && - (conn->type == ACL_LINK || conn->type == LE_LINK)) { - if (ev->status != 0) - mgmt_disconnect_failed(hdev, &conn->dst, conn->type, - conn->dst_type, ev->status); - else - mgmt_device_disconnected(hdev, &conn->dst, conn->type, - conn->dst_type); - } - - if (ev->status == 0) { - if (conn->type == ACL_LINK && conn->flush_key) - hci_remove_link_key(hdev, &conn->dst); - hci_proto_disconn_cfm(conn, ev->reason); - hci_conn_del(conn); - } - -unlock: - hci_dev_unlock(hdev); -} - -static inline void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_ev_auth_complete *ev = (void *) skb->data; - struct hci_conn *conn; - - BT_DBG("%s status %d", hdev->name, ev->status); - - hci_dev_lock(hdev); - - conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); - if (!conn) - goto unlock; - - if (!ev->status) { - if (!hci_conn_ssp_enabled(conn) && - test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) { - BT_INFO("re-auth of legacy device is not possible."); - } else { - conn->link_mode |= HCI_LM_AUTH; - conn->sec_level = conn->pending_sec_level; - } - } else { - mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type, - ev->status); - } - - clear_bit(HCI_CONN_AUTH_PEND, &conn->flags); - clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags); - - if (conn->state == BT_CONFIG) { - if (!ev->status && hci_conn_ssp_enabled(conn)) { - struct hci_cp_set_conn_encrypt cp; - cp.handle = ev->handle; - cp.encrypt = 0x01; - hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp), - &cp); - } else { - conn->state = BT_CONNECTED; - hci_proto_connect_cfm(conn, ev->status); - hci_conn_put(conn); - } - } else { - hci_auth_cfm(conn, ev->status); - - hci_conn_hold(conn); - conn->disc_timeout = HCI_DISCONN_TIMEOUT; - hci_conn_put(conn); - } - - if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) { - if (!ev->status) { - struct hci_cp_set_conn_encrypt cp; - cp.handle = ev->handle; - cp.encrypt = 0x01; - hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp), - &cp); - } else { - clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags); - hci_encrypt_cfm(conn, ev->status, 0x00); - } - } - -unlock: - hci_dev_unlock(hdev); -} - -static inline void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_ev_remote_name *ev = (void *) skb->data; - struct hci_conn *conn; - - BT_DBG("%s", hdev->name); - - hci_conn_check_pending(hdev); - - hci_dev_lock(hdev); - - conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); - - if (!test_bit(HCI_MGMT, &hdev->dev_flags)) - goto check_auth; - - if (ev->status == 0) - hci_check_pending_name(hdev, conn, &ev->bdaddr, ev->name, - strnlen(ev->name, HCI_MAX_NAME_LENGTH)); - else - hci_check_pending_name(hdev, conn, &ev->bdaddr, NULL, 0); - -check_auth: - if (!conn) - goto unlock; - - if (!hci_outgoing_auth_needed(hdev, conn)) - goto unlock; - - if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) { - struct hci_cp_auth_requested cp; - cp.handle = __cpu_to_le16(conn->handle); - hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp); - } - -unlock: - hci_dev_unlock(hdev); -} - -static inline void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_ev_encrypt_change *ev = (void *) skb->data; - struct hci_conn *conn; - - BT_DBG("%s status %d", hdev->name, ev->status); - - hci_dev_lock(hdev); - - conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); - if (conn) { - if (!ev->status) { - if (ev->encrypt) { - /* Encryption implies authentication */ - conn->link_mode |= HCI_LM_AUTH; - conn->link_mode |= HCI_LM_ENCRYPT; - conn->sec_level = conn->pending_sec_level; - } else - conn->link_mode &= ~HCI_LM_ENCRYPT; - } - - clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags); - - if (ev->status && conn->state == BT_CONNECTED) { - hci_acl_disconn(conn, 0x13); - hci_conn_put(conn); - goto unlock; - } - - if (conn->state == BT_CONFIG) { - if (!ev->status) - conn->state = BT_CONNECTED; - - hci_proto_connect_cfm(conn, ev->status); - hci_conn_put(conn); - } else - hci_encrypt_cfm(conn, ev->status, ev->encrypt); - } - -unlock: - hci_dev_unlock(hdev); -} - -static inline void hci_change_link_key_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_ev_change_link_key_complete *ev = (void *) skb->data; - struct hci_conn *conn; - - BT_DBG("%s status %d", hdev->name, ev->status); - - hci_dev_lock(hdev); - - conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); - if (conn) { - if (!ev->status) - conn->link_mode |= HCI_LM_SECURE; - - clear_bit(HCI_CONN_AUTH_PEND, &conn->flags); - - hci_key_change_cfm(conn, ev->status); - } - - hci_dev_unlock(hdev); -} - -static inline void hci_remote_features_evt(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_ev_remote_features *ev = (void *) skb->data; - struct hci_conn *conn; - - BT_DBG("%s status %d", hdev->name, ev->status); - - hci_dev_lock(hdev); - - conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); - if (!conn) - goto unlock; - - if (!ev->status) - memcpy(conn->features, ev->features, 8); - - if (conn->state != BT_CONFIG) - goto unlock; - - if (!ev->status && lmp_ssp_capable(hdev) && lmp_ssp_capable(conn)) { - struct hci_cp_read_remote_ext_features cp; - cp.handle = ev->handle; - cp.page = 0x01; - hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES, - sizeof(cp), &cp); - goto unlock; - } - - if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) { - struct hci_cp_remote_name_req cp; - memset(&cp, 0, sizeof(cp)); - bacpy(&cp.bdaddr, &conn->dst); - cp.pscan_rep_mode = 0x02; - hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp); - } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) - mgmt_device_connected(hdev, &conn->dst, conn->type, - conn->dst_type, 0, NULL, 0, - conn->dev_class); - - if (!hci_outgoing_auth_needed(hdev, conn)) { - conn->state = BT_CONNECTED; - hci_proto_connect_cfm(conn, ev->status); - hci_conn_put(conn); - } - -unlock: - hci_dev_unlock(hdev); -} - -static inline void hci_remote_version_evt(struct hci_dev *hdev, struct sk_buff *skb) -{ - BT_DBG("%s", hdev->name); -} - -static inline void hci_qos_setup_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) -{ - BT_DBG("%s", hdev->name); -} - -static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_ev_cmd_complete *ev = (void *) skb->data; - __u16 opcode; - - skb_pull(skb, sizeof(*ev)); - - opcode = __le16_to_cpu(ev->opcode); - - switch (opcode) { - case HCI_OP_INQUIRY_CANCEL: - hci_cc_inquiry_cancel(hdev, skb); - break; - - case HCI_OP_EXIT_PERIODIC_INQ: - hci_cc_exit_periodic_inq(hdev, skb); - break; - - case HCI_OP_REMOTE_NAME_REQ_CANCEL: - hci_cc_remote_name_req_cancel(hdev, skb); - break; - - case HCI_OP_ROLE_DISCOVERY: - hci_cc_role_discovery(hdev, skb); - break; - - case HCI_OP_READ_LINK_POLICY: - hci_cc_read_link_policy(hdev, skb); - break; - - case HCI_OP_WRITE_LINK_POLICY: - hci_cc_write_link_policy(hdev, skb); - break; - - case HCI_OP_READ_DEF_LINK_POLICY: - hci_cc_read_def_link_policy(hdev, skb); - break; - - case HCI_OP_WRITE_DEF_LINK_POLICY: - hci_cc_write_def_link_policy(hdev, skb); - break; - - case HCI_OP_RESET: - hci_cc_reset(hdev, skb); - break; - - case HCI_OP_WRITE_LOCAL_NAME: - hci_cc_write_local_name(hdev, skb); - break; - - case HCI_OP_READ_LOCAL_NAME: - hci_cc_read_local_name(hdev, skb); - break; - - case HCI_OP_WRITE_AUTH_ENABLE: - hci_cc_write_auth_enable(hdev, skb); - break; - - case HCI_OP_WRITE_ENCRYPT_MODE: - hci_cc_write_encrypt_mode(hdev, skb); - break; - - case HCI_OP_WRITE_SCAN_ENABLE: - hci_cc_write_scan_enable(hdev, skb); - break; - - case HCI_OP_READ_CLASS_OF_DEV: - hci_cc_read_class_of_dev(hdev, skb); - break; - - case HCI_OP_WRITE_CLASS_OF_DEV: - hci_cc_write_class_of_dev(hdev, skb); - break; - - case HCI_OP_READ_VOICE_SETTING: - hci_cc_read_voice_setting(hdev, skb); - break; - - case HCI_OP_WRITE_VOICE_SETTING: - hci_cc_write_voice_setting(hdev, skb); - break; - - case HCI_OP_HOST_BUFFER_SIZE: - hci_cc_host_buffer_size(hdev, skb); - break; - - case HCI_OP_WRITE_SSP_MODE: - hci_cc_write_ssp_mode(hdev, skb); - break; - - case HCI_OP_READ_LOCAL_VERSION: - hci_cc_read_local_version(hdev, skb); - break; - - case HCI_OP_READ_LOCAL_COMMANDS: - hci_cc_read_local_commands(hdev, skb); - break; - - case HCI_OP_READ_LOCAL_FEATURES: - hci_cc_read_local_features(hdev, skb); - break; - - case HCI_OP_READ_LOCAL_EXT_FEATURES: - hci_cc_read_local_ext_features(hdev, skb); - break; - - case HCI_OP_READ_BUFFER_SIZE: - hci_cc_read_buffer_size(hdev, skb); - break; - - case HCI_OP_READ_BD_ADDR: - hci_cc_read_bd_addr(hdev, skb); - break; - - case HCI_OP_READ_DATA_BLOCK_SIZE: - hci_cc_read_data_block_size(hdev, skb); - break; - - case HCI_OP_WRITE_CA_TIMEOUT: - hci_cc_write_ca_timeout(hdev, skb); - break; - - case HCI_OP_READ_FLOW_CONTROL_MODE: - hci_cc_read_flow_control_mode(hdev, skb); - break; - - case HCI_OP_READ_LOCAL_AMP_INFO: - hci_cc_read_local_amp_info(hdev, skb); - break; - - case HCI_OP_DELETE_STORED_LINK_KEY: - hci_cc_delete_stored_link_key(hdev, skb); - break; - - case HCI_OP_SET_EVENT_MASK: - hci_cc_set_event_mask(hdev, skb); - break; - - case HCI_OP_WRITE_INQUIRY_MODE: - hci_cc_write_inquiry_mode(hdev, skb); - break; - - case HCI_OP_READ_INQ_RSP_TX_POWER: - hci_cc_read_inq_rsp_tx_power(hdev, skb); - break; - - case HCI_OP_SET_EVENT_FLT: - hci_cc_set_event_flt(hdev, skb); - break; - - case HCI_OP_PIN_CODE_REPLY: - hci_cc_pin_code_reply(hdev, skb); - break; - - case HCI_OP_PIN_CODE_NEG_REPLY: - hci_cc_pin_code_neg_reply(hdev, skb); - break; - - case HCI_OP_READ_LOCAL_OOB_DATA: - hci_cc_read_local_oob_data_reply(hdev, skb); - break; - - case HCI_OP_LE_READ_BUFFER_SIZE: - hci_cc_le_read_buffer_size(hdev, skb); - break; - - case HCI_OP_USER_CONFIRM_REPLY: - hci_cc_user_confirm_reply(hdev, skb); - break; - - case HCI_OP_USER_CONFIRM_NEG_REPLY: - hci_cc_user_confirm_neg_reply(hdev, skb); - break; - - case HCI_OP_USER_PASSKEY_REPLY: - hci_cc_user_passkey_reply(hdev, skb); - break; - - case HCI_OP_USER_PASSKEY_NEG_REPLY: - hci_cc_user_passkey_neg_reply(hdev, skb); - break; - - case HCI_OP_LE_SET_SCAN_PARAM: - hci_cc_le_set_scan_param(hdev, skb); - break; - - case HCI_OP_LE_SET_SCAN_ENABLE: - hci_cc_le_set_scan_enable(hdev, skb); - break; - - case HCI_OP_LE_LTK_REPLY: - hci_cc_le_ltk_reply(hdev, skb); - break; - - case HCI_OP_LE_LTK_NEG_REPLY: - hci_cc_le_ltk_neg_reply(hdev, skb); - break; - - case HCI_OP_WRITE_LE_HOST_SUPPORTED: - hci_cc_write_le_host_supported(hdev, skb); - break; - - default: - BT_DBG("%s opcode 0x%x", hdev->name, opcode); - break; - } - - if (ev->opcode != HCI_OP_NOP) - del_timer(&hdev->cmd_timer); - - if (ev->ncmd) { - atomic_set(&hdev->cmd_cnt, 1); - if (!skb_queue_empty(&hdev->cmd_q)) - queue_work(hdev->workqueue, &hdev->cmd_work); - } -} - -static inline void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_ev_cmd_status *ev = (void *) skb->data; - __u16 opcode; - - skb_pull(skb, sizeof(*ev)); - - opcode = __le16_to_cpu(ev->opcode); - - switch (opcode) { - case HCI_OP_INQUIRY: - hci_cs_inquiry(hdev, ev->status); - break; - - case HCI_OP_CREATE_CONN: - hci_cs_create_conn(hdev, ev->status); - break; - - case HCI_OP_ADD_SCO: - hci_cs_add_sco(hdev, ev->status); - break; - - case HCI_OP_AUTH_REQUESTED: - hci_cs_auth_requested(hdev, ev->status); - break; - - case HCI_OP_SET_CONN_ENCRYPT: - hci_cs_set_conn_encrypt(hdev, ev->status); - break; - - case HCI_OP_REMOTE_NAME_REQ: - hci_cs_remote_name_req(hdev, ev->status); - break; - - case HCI_OP_READ_REMOTE_FEATURES: - hci_cs_read_remote_features(hdev, ev->status); - break; - - case HCI_OP_READ_REMOTE_EXT_FEATURES: - hci_cs_read_remote_ext_features(hdev, ev->status); - break; - - case HCI_OP_SETUP_SYNC_CONN: - hci_cs_setup_sync_conn(hdev, ev->status); - break; - - case HCI_OP_SNIFF_MODE: - hci_cs_sniff_mode(hdev, ev->status); - break; - - case HCI_OP_EXIT_SNIFF_MODE: - hci_cs_exit_sniff_mode(hdev, ev->status); - break; - - case HCI_OP_DISCONNECT: - hci_cs_disconnect(hdev, ev->status); - break; - - case HCI_OP_LE_CREATE_CONN: - hci_cs_le_create_conn(hdev, ev->status); - break; - - case HCI_OP_LE_START_ENC: - hci_cs_le_start_enc(hdev, ev->status); - break; - - default: - BT_DBG("%s opcode 0x%x", hdev->name, opcode); - break; - } - - if (ev->opcode != HCI_OP_NOP) - del_timer(&hdev->cmd_timer); - - if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) { - atomic_set(&hdev->cmd_cnt, 1); - if (!skb_queue_empty(&hdev->cmd_q)) - queue_work(hdev->workqueue, &hdev->cmd_work); - } -} - -static inline void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_ev_role_change *ev = (void *) skb->data; - struct hci_conn *conn; - - BT_DBG("%s status %d", hdev->name, ev->status); - - hci_dev_lock(hdev); - - conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); - if (conn) { - if (!ev->status) { - if (ev->role) - conn->link_mode &= ~HCI_LM_MASTER; - else - conn->link_mode |= HCI_LM_MASTER; - } - - clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags); - - hci_role_switch_cfm(conn, ev->status, ev->role); - } - - hci_dev_unlock(hdev); -} - -static inline void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_ev_num_comp_pkts *ev = (void *) skb->data; - int i; - - if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) { - BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode); - return; - } - - if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) + - ev->num_hndl * sizeof(struct hci_comp_pkts_info)) { - BT_DBG("%s bad parameters", hdev->name); - return; - } - - BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl); - - for (i = 0; i < ev->num_hndl; i++) { - struct hci_comp_pkts_info *info = &ev->handles[i]; - struct hci_conn *conn; - __u16 handle, count; - - handle = __le16_to_cpu(info->handle); - count = __le16_to_cpu(info->count); - - conn = hci_conn_hash_lookup_handle(hdev, handle); - if (!conn) - continue; - - conn->sent -= count; - - switch (conn->type) { - case ACL_LINK: - hdev->acl_cnt += count; - if (hdev->acl_cnt > hdev->acl_pkts) - hdev->acl_cnt = hdev->acl_pkts; - break; - - case LE_LINK: - if (hdev->le_pkts) { - hdev->le_cnt += count; - if (hdev->le_cnt > hdev->le_pkts) - hdev->le_cnt = hdev->le_pkts; - } else { - hdev->acl_cnt += count; - if (hdev->acl_cnt > hdev->acl_pkts) - hdev->acl_cnt = hdev->acl_pkts; - } - break; - - case SCO_LINK: - hdev->sco_cnt += count; - if (hdev->sco_cnt > hdev->sco_pkts) - hdev->sco_cnt = hdev->sco_pkts; - break; - - default: - BT_ERR("Unknown type %d conn %p", conn->type, conn); - break; - } - } - - queue_work(hdev->workqueue, &hdev->tx_work); -} - -static inline void hci_num_comp_blocks_evt(struct hci_dev *hdev, - struct sk_buff *skb) -{ - struct hci_ev_num_comp_blocks *ev = (void *) skb->data; - int i; - - if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_BLOCK_BASED) { - BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode); - return; - } - - if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) + - ev->num_hndl * sizeof(struct hci_comp_blocks_info)) { - BT_DBG("%s bad parameters", hdev->name); - return; - } - - BT_DBG("%s num_blocks %d num_hndl %d", hdev->name, ev->num_blocks, - ev->num_hndl); - - for (i = 0; i < ev->num_hndl; i++) { - struct hci_comp_blocks_info *info = &ev->handles[i]; - struct hci_conn *conn; - __u16 handle, block_count; - - handle = __le16_to_cpu(info->handle); - block_count = __le16_to_cpu(info->blocks); - - conn = hci_conn_hash_lookup_handle(hdev, handle); - if (!conn) - continue; - - conn->sent -= block_count; - - switch (conn->type) { - case ACL_LINK: - hdev->block_cnt += block_count; - if (hdev->block_cnt > hdev->num_blocks) - hdev->block_cnt = hdev->num_blocks; - break; - - default: - BT_ERR("Unknown type %d conn %p", conn->type, conn); - break; - } - } - - queue_work(hdev->workqueue, &hdev->tx_work); -} - -static inline void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_ev_mode_change *ev = (void *) skb->data; - struct hci_conn *conn; - - BT_DBG("%s status %d", hdev->name, ev->status); - - hci_dev_lock(hdev); - - conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); - if (conn) { - conn->mode = ev->mode; - conn->interval = __le16_to_cpu(ev->interval); - - if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags)) { - if (conn->mode == HCI_CM_ACTIVE) - set_bit(HCI_CONN_POWER_SAVE, &conn->flags); - else - clear_bit(HCI_CONN_POWER_SAVE, &conn->flags); - } - - if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags)) - hci_sco_setup(conn, ev->status); - } - - hci_dev_unlock(hdev); -} - -static inline void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_ev_pin_code_req *ev = (void *) skb->data; - struct hci_conn *conn; - - BT_DBG("%s", hdev->name); - - hci_dev_lock(hdev); - - conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); - if (!conn) - goto unlock; - - if (conn->state == BT_CONNECTED) { - hci_conn_hold(conn); - conn->disc_timeout = HCI_PAIRING_TIMEOUT; - hci_conn_put(conn); - } - - if (!test_bit(HCI_PAIRABLE, &hdev->dev_flags)) - hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY, - sizeof(ev->bdaddr), &ev->bdaddr); - else if (test_bit(HCI_MGMT, &hdev->dev_flags)) { - u8 secure; - - if (conn->pending_sec_level == BT_SECURITY_HIGH) - secure = 1; - else - secure = 0; - - mgmt_pin_code_request(hdev, &ev->bdaddr, secure); - } - -unlock: - hci_dev_unlock(hdev); -} - -static inline void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_ev_link_key_req *ev = (void *) skb->data; - struct hci_cp_link_key_reply cp; - struct hci_conn *conn; - struct link_key *key; - - BT_DBG("%s", hdev->name); - - if (!test_bit(HCI_LINK_KEYS, &hdev->dev_flags)) - return; - - hci_dev_lock(hdev); - - key = hci_find_link_key(hdev, &ev->bdaddr); - if (!key) { - BT_DBG("%s link key not found for %s", hdev->name, - batostr(&ev->bdaddr)); - goto not_found; - } - - BT_DBG("%s found key type %u for %s", hdev->name, key->type, - batostr(&ev->bdaddr)); - - if (!test_bit(HCI_DEBUG_KEYS, &hdev->dev_flags) && - key->type == HCI_LK_DEBUG_COMBINATION) { - BT_DBG("%s ignoring debug key", hdev->name); - goto not_found; - } - - conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); - if (conn) { - if (key->type == HCI_LK_UNAUTH_COMBINATION && - conn->auth_type != 0xff && - (conn->auth_type & 0x01)) { - BT_DBG("%s ignoring unauthenticated key", hdev->name); - goto not_found; - } - - if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 && - conn->pending_sec_level == BT_SECURITY_HIGH) { - BT_DBG("%s ignoring key unauthenticated for high \ - security", hdev->name); - goto not_found; - } - - conn->key_type = key->type; - conn->pin_length = key->pin_len; - } - - bacpy(&cp.bdaddr, &ev->bdaddr); - memcpy(cp.link_key, key->val, 16); - - hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp); - - hci_dev_unlock(hdev); - - return; - -not_found: - hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr); - hci_dev_unlock(hdev); -} - -static inline void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_ev_link_key_notify *ev = (void *) skb->data; - struct hci_conn *conn; - u8 pin_len = 0; - - BT_DBG("%s", hdev->name); - - hci_dev_lock(hdev); - - conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); - if (conn) { - hci_conn_hold(conn); - conn->disc_timeout = HCI_DISCONN_TIMEOUT; - pin_len = conn->pin_length; - - if (ev->key_type != HCI_LK_CHANGED_COMBINATION) - conn->key_type = ev->key_type; - - hci_conn_put(conn); - } - - if (test_bit(HCI_LINK_KEYS, &hdev->dev_flags)) - hci_add_link_key(hdev, conn, 1, &ev->bdaddr, ev->link_key, - ev->key_type, pin_len); - - hci_dev_unlock(hdev); -} - -static inline void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_ev_clock_offset *ev = (void *) skb->data; - struct hci_conn *conn; - - BT_DBG("%s status %d", hdev->name, ev->status); - - hci_dev_lock(hdev); - - conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); - if (conn && !ev->status) { - struct inquiry_entry *ie; - - ie = hci_inquiry_cache_lookup(hdev, &conn->dst); - if (ie) { - ie->data.clock_offset = ev->clock_offset; - ie->timestamp = jiffies; - } - } - - hci_dev_unlock(hdev); -} - -static inline void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_ev_pkt_type_change *ev = (void *) skb->data; - struct hci_conn *conn; - - BT_DBG("%s status %d", hdev->name, ev->status); - - hci_dev_lock(hdev); - - conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); - if (conn && !ev->status) - conn->pkt_type = __le16_to_cpu(ev->pkt_type); - - hci_dev_unlock(hdev); -} - -static inline void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_ev_pscan_rep_mode *ev = (void *) skb->data; - struct inquiry_entry *ie; - - BT_DBG("%s", hdev->name); - - hci_dev_lock(hdev); - - ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr); - if (ie) { - ie->data.pscan_rep_mode = ev->pscan_rep_mode; - ie->timestamp = jiffies; - } - - hci_dev_unlock(hdev); -} - -static inline void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct inquiry_data data; - int num_rsp = *((__u8 *) skb->data); - bool name_known, ssp; - - BT_DBG("%s num_rsp %d", hdev->name, num_rsp); - - if (!num_rsp) - return; - - hci_dev_lock(hdev); - - if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) { - struct inquiry_info_with_rssi_and_pscan_mode *info; - info = (void *) (skb->data + 1); - - for (; num_rsp; num_rsp--, info++) { - bacpy(&data.bdaddr, &info->bdaddr); - data.pscan_rep_mode = info->pscan_rep_mode; - data.pscan_period_mode = info->pscan_period_mode; - data.pscan_mode = info->pscan_mode; - memcpy(data.dev_class, info->dev_class, 3); - data.clock_offset = info->clock_offset; - data.rssi = info->rssi; - data.ssp_mode = 0x00; - - name_known = hci_inquiry_cache_update(hdev, &data, - false, &ssp); - mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00, - info->dev_class, info->rssi, - !name_known, ssp, NULL, 0); - } - } else { - struct inquiry_info_with_rssi *info = (void *) (skb->data + 1); - - for (; num_rsp; num_rsp--, info++) { - bacpy(&data.bdaddr, &info->bdaddr); - data.pscan_rep_mode = info->pscan_rep_mode; - data.pscan_period_mode = info->pscan_period_mode; - data.pscan_mode = 0x00; - memcpy(data.dev_class, info->dev_class, 3); - data.clock_offset = info->clock_offset; - data.rssi = info->rssi; - data.ssp_mode = 0x00; - name_known = hci_inquiry_cache_update(hdev, &data, - false, &ssp); - mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00, - info->dev_class, info->rssi, - !name_known, ssp, NULL, 0); - } - } - - hci_dev_unlock(hdev); -} - -static inline void hci_remote_ext_features_evt(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_ev_remote_ext_features *ev = (void *) skb->data; - struct hci_conn *conn; - - BT_DBG("%s", hdev->name); - - hci_dev_lock(hdev); - - conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); - if (!conn) - goto unlock; - - if (!ev->status && ev->page == 0x01) { - struct inquiry_entry *ie; - - ie = hci_inquiry_cache_lookup(hdev, &conn->dst); - if (ie) - ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP); - - if (ev->features[0] & LMP_HOST_SSP) - set_bit(HCI_CONN_SSP_ENABLED, &conn->flags); - } - - if (conn->state != BT_CONFIG) - goto unlock; - - if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) { - struct hci_cp_remote_name_req cp; - memset(&cp, 0, sizeof(cp)); - bacpy(&cp.bdaddr, &conn->dst); - cp.pscan_rep_mode = 0x02; - hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp); - } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) - mgmt_device_connected(hdev, &conn->dst, conn->type, - conn->dst_type, 0, NULL, 0, - conn->dev_class); - - if (!hci_outgoing_auth_needed(hdev, conn)) { - conn->state = BT_CONNECTED; - hci_proto_connect_cfm(conn, ev->status); - hci_conn_put(conn); - } - -unlock: - hci_dev_unlock(hdev); -} - -static inline void hci_sync_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_ev_sync_conn_complete *ev = (void *) skb->data; - struct hci_conn *conn; - - BT_DBG("%s status %d", hdev->name, ev->status); - - hci_dev_lock(hdev); - - conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr); - if (!conn) { - if (ev->link_type == ESCO_LINK) - goto unlock; - - conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr); - if (!conn) - goto unlock; - - conn->type = SCO_LINK; - } - - switch (ev->status) { - case 0x00: - conn->handle = __le16_to_cpu(ev->handle); - conn->state = BT_CONNECTED; - - hci_conn_hold_device(conn); - hci_conn_add_sysfs(conn); - break; - - case 0x11: /* Unsupported Feature or Parameter Value */ - case 0x1c: /* SCO interval rejected */ - case 0x1a: /* Unsupported Remote Feature */ - case 0x1f: /* Unspecified error */ - if (conn->out && conn->attempt < 2) { - conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) | - (hdev->esco_type & EDR_ESCO_MASK); - hci_setup_sync(conn, conn->link->handle); - goto unlock; - } - /* fall through */ - - default: - conn->state = BT_CLOSED; - break; - } - - hci_proto_connect_cfm(conn, ev->status); - if (ev->status) - hci_conn_del(conn); - -unlock: - hci_dev_unlock(hdev); -} - -static inline void hci_sync_conn_changed_evt(struct hci_dev *hdev, struct sk_buff *skb) -{ - BT_DBG("%s", hdev->name); -} - -static inline void hci_sniff_subrate_evt(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_ev_sniff_subrate *ev = (void *) skb->data; - - BT_DBG("%s status %d", hdev->name, ev->status); -} - -static inline void hci_extended_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct inquiry_data data; - struct extended_inquiry_info *info = (void *) (skb->data + 1); - int num_rsp = *((__u8 *) skb->data); - size_t eir_len; - - BT_DBG("%s num_rsp %d", hdev->name, num_rsp); - - if (!num_rsp) - return; - - hci_dev_lock(hdev); - - for (; num_rsp; num_rsp--, info++) { - bool name_known, ssp; - - bacpy(&data.bdaddr, &info->bdaddr); - data.pscan_rep_mode = info->pscan_rep_mode; - data.pscan_period_mode = info->pscan_period_mode; - data.pscan_mode = 0x00; - memcpy(data.dev_class, info->dev_class, 3); - data.clock_offset = info->clock_offset; - data.rssi = info->rssi; - data.ssp_mode = 0x01; - - if (test_bit(HCI_MGMT, &hdev->dev_flags)) - name_known = eir_has_data_type(info->data, - sizeof(info->data), - EIR_NAME_COMPLETE); - else - name_known = true; - - name_known = hci_inquiry_cache_update(hdev, &data, name_known, - &ssp); - eir_len = eir_get_length(info->data, sizeof(info->data)); - mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00, - info->dev_class, info->rssi, !name_known, - ssp, info->data, eir_len); - } - - hci_dev_unlock(hdev); -} - -static inline u8 hci_get_auth_req(struct hci_conn *conn) -{ - /* If remote requests dedicated bonding follow that lead */ - if (conn->remote_auth == 0x02 || conn->remote_auth == 0x03) { - /* If both remote and local IO capabilities allow MITM - * protection then require it, otherwise don't */ - if (conn->remote_cap == 0x03 || conn->io_capability == 0x03) - return 0x02; - else - return 0x03; - } - - /* If remote requests no-bonding follow that lead */ - if (conn->remote_auth == 0x00 || conn->remote_auth == 0x01) - return conn->remote_auth | (conn->auth_type & 0x01); - - return conn->auth_type; -} - -static inline void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_ev_io_capa_request *ev = (void *) skb->data; - struct hci_conn *conn; - - BT_DBG("%s", hdev->name); - - hci_dev_lock(hdev); - - conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); - if (!conn) - goto unlock; - - hci_conn_hold(conn); - - if (!test_bit(HCI_MGMT, &hdev->dev_flags)) - goto unlock; - - if (test_bit(HCI_PAIRABLE, &hdev->dev_flags) || - (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) { - struct hci_cp_io_capability_reply cp; - - bacpy(&cp.bdaddr, &ev->bdaddr); - /* Change the IO capability from KeyboardDisplay - * to DisplayYesNo as it is not supported by BT spec. */ - cp.capability = (conn->io_capability == 0x04) ? - 0x01 : conn->io_capability; - conn->auth_type = hci_get_auth_req(conn); - cp.authentication = conn->auth_type; - - if ((conn->out || test_bit(HCI_CONN_REMOTE_OOB, &conn->flags)) && - hci_find_remote_oob_data(hdev, &conn->dst)) - cp.oob_data = 0x01; - else - cp.oob_data = 0x00; - - hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY, - sizeof(cp), &cp); - } else { - struct hci_cp_io_capability_neg_reply cp; - - bacpy(&cp.bdaddr, &ev->bdaddr); - cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED; - - hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY, - sizeof(cp), &cp); - } - -unlock: - hci_dev_unlock(hdev); -} - -static inline void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_ev_io_capa_reply *ev = (void *) skb->data; - struct hci_conn *conn; - - BT_DBG("%s", hdev->name); - - hci_dev_lock(hdev); - - conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); - if (!conn) - goto unlock; - - conn->remote_cap = ev->capability; - conn->remote_auth = ev->authentication; - if (ev->oob_data) - set_bit(HCI_CONN_REMOTE_OOB, &conn->flags); - -unlock: - hci_dev_unlock(hdev); -} - -static inline void hci_user_confirm_request_evt(struct hci_dev *hdev, - struct sk_buff *skb) -{ - struct hci_ev_user_confirm_req *ev = (void *) skb->data; - int loc_mitm, rem_mitm, confirm_hint = 0; - struct hci_conn *conn; - - BT_DBG("%s", hdev->name); - - hci_dev_lock(hdev); - - if (!test_bit(HCI_MGMT, &hdev->dev_flags)) - goto unlock; - - conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); - if (!conn) - goto unlock; - - loc_mitm = (conn->auth_type & 0x01); - rem_mitm = (conn->remote_auth & 0x01); - - /* If we require MITM but the remote device can't provide that - * (it has NoInputNoOutput) then reject the confirmation - * request. The only exception is when we're dedicated bonding - * initiators (connect_cfm_cb set) since then we always have the MITM - * bit set. */ - if (!conn->connect_cfm_cb && loc_mitm && conn->remote_cap == 0x03) { - BT_DBG("Rejecting request: remote device can't provide MITM"); - hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY, - sizeof(ev->bdaddr), &ev->bdaddr); - goto unlock; - } - - /* If no side requires MITM protection; auto-accept */ - if ((!loc_mitm || conn->remote_cap == 0x03) && - (!rem_mitm || conn->io_capability == 0x03)) { - - /* If we're not the initiators request authorization to - * proceed from user space (mgmt_user_confirm with - * confirm_hint set to 1). */ - if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags)) { - BT_DBG("Confirming auto-accept as acceptor"); - confirm_hint = 1; - goto confirm; - } - - BT_DBG("Auto-accept of user confirmation with %ums delay", - hdev->auto_accept_delay); - - if (hdev->auto_accept_delay > 0) { - int delay = msecs_to_jiffies(hdev->auto_accept_delay); - mod_timer(&conn->auto_accept_timer, jiffies + delay); - goto unlock; - } - - hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY, - sizeof(ev->bdaddr), &ev->bdaddr); - goto unlock; - } - -confirm: - mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0, ev->passkey, - confirm_hint); - -unlock: - hci_dev_unlock(hdev); -} - -static inline void hci_user_passkey_request_evt(struct hci_dev *hdev, - struct sk_buff *skb) -{ - struct hci_ev_user_passkey_req *ev = (void *) skb->data; - - BT_DBG("%s", hdev->name); - - hci_dev_lock(hdev); - - if (test_bit(HCI_MGMT, &hdev->dev_flags)) - mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0); - - hci_dev_unlock(hdev); -} - -static inline void hci_simple_pair_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_ev_simple_pair_complete *ev = (void *) skb->data; - struct hci_conn *conn; - - BT_DBG("%s", hdev->name); - - hci_dev_lock(hdev); - - conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); - if (!conn) - goto unlock; - - /* To avoid duplicate auth_failed events to user space we check - * the HCI_CONN_AUTH_PEND flag which will be set if we - * initiated the authentication. A traditional auth_complete - * event gets always produced as initiator and is also mapped to - * the mgmt_auth_failed event */ - if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && ev->status != 0) - mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type, - ev->status); - - hci_conn_put(conn); - -unlock: - hci_dev_unlock(hdev); -} - -static inline void hci_remote_host_features_evt(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_ev_remote_host_features *ev = (void *) skb->data; - struct inquiry_entry *ie; - - BT_DBG("%s", hdev->name); - - hci_dev_lock(hdev); - - ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr); - if (ie) - ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP); - - hci_dev_unlock(hdev); -} - -static inline void hci_remote_oob_data_request_evt(struct hci_dev *hdev, - struct sk_buff *skb) -{ - struct hci_ev_remote_oob_data_request *ev = (void *) skb->data; - struct oob_data *data; - - BT_DBG("%s", hdev->name); - - hci_dev_lock(hdev); - - if (!test_bit(HCI_MGMT, &hdev->dev_flags)) - goto unlock; - - data = hci_find_remote_oob_data(hdev, &ev->bdaddr); - if (data) { - struct hci_cp_remote_oob_data_reply cp; - - bacpy(&cp.bdaddr, &ev->bdaddr); - memcpy(cp.hash, data->hash, sizeof(cp.hash)); - memcpy(cp.randomizer, data->randomizer, sizeof(cp.randomizer)); - - hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY, sizeof(cp), - &cp); - } else { - struct hci_cp_remote_oob_data_neg_reply cp; - - bacpy(&cp.bdaddr, &ev->bdaddr); - hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY, sizeof(cp), - &cp); - } - -unlock: - hci_dev_unlock(hdev); -} - -static inline void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_ev_le_conn_complete *ev = (void *) skb->data; - struct hci_conn *conn; - - BT_DBG("%s status %d", hdev->name, ev->status); - - hci_dev_lock(hdev); - - conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &ev->bdaddr); - if (!conn) { - conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr); - if (!conn) { - BT_ERR("No memory for new connection"); - hci_dev_unlock(hdev); - return; - } - - conn->dst_type = ev->bdaddr_type; - } - - if (ev->status) { - mgmt_connect_failed(hdev, &ev->bdaddr, conn->type, - conn->dst_type, ev->status); - hci_proto_connect_cfm(conn, ev->status); - conn->state = BT_CLOSED; - hci_conn_del(conn); - goto unlock; - } - - if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) - mgmt_device_connected(hdev, &ev->bdaddr, conn->type, - conn->dst_type, 0, NULL, 0, NULL); - - conn->sec_level = BT_SECURITY_LOW; - conn->handle = __le16_to_cpu(ev->handle); - conn->state = BT_CONNECTED; - - hci_conn_hold_device(conn); - hci_conn_add_sysfs(conn); - - hci_proto_connect_cfm(conn, ev->status); - -unlock: - hci_dev_unlock(hdev); -} - -static inline void hci_le_adv_report_evt(struct hci_dev *hdev, - struct sk_buff *skb) -{ - u8 num_reports = skb->data[0]; - void *ptr = &skb->data[1]; - s8 rssi; - - hci_dev_lock(hdev); - - while (num_reports--) { - struct hci_ev_le_advertising_info *ev = ptr; - - hci_add_adv_entry(hdev, ev); - - rssi = ev->data[ev->length]; - mgmt_device_found(hdev, &ev->bdaddr, LE_LINK, ev->bdaddr_type, - NULL, rssi, 0, 1, ev->data, ev->length); - - ptr += sizeof(*ev) + ev->length + 1; - } - - hci_dev_unlock(hdev); -} - -static inline void hci_le_ltk_request_evt(struct hci_dev *hdev, - struct sk_buff *skb) -{ - struct hci_ev_le_ltk_req *ev = (void *) skb->data; - struct hci_cp_le_ltk_reply cp; - struct hci_cp_le_ltk_neg_reply neg; - struct hci_conn *conn; - struct smp_ltk *ltk; - - BT_DBG("%s handle %d", hdev->name, cpu_to_le16(ev->handle)); - - hci_dev_lock(hdev); - - conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); - if (conn == NULL) - goto not_found; - - ltk = hci_find_ltk(hdev, ev->ediv, ev->random); - if (ltk == NULL) - goto not_found; - - memcpy(cp.ltk, ltk->val, sizeof(ltk->val)); - cp.handle = cpu_to_le16(conn->handle); - - if (ltk->authenticated) - conn->sec_level = BT_SECURITY_HIGH; - - hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp); - - if (ltk->type & HCI_SMP_STK) { - list_del(<k->list); - kfree(ltk); - } - - hci_dev_unlock(hdev); - - return; - -not_found: - neg.handle = ev->handle; - hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg); - hci_dev_unlock(hdev); -} - -static inline void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_ev_le_meta *le_ev = (void *) skb->data; - - skb_pull(skb, sizeof(*le_ev)); - - switch (le_ev->subevent) { - case HCI_EV_LE_CONN_COMPLETE: - hci_le_conn_complete_evt(hdev, skb); - break; - - case HCI_EV_LE_ADVERTISING_REPORT: - hci_le_adv_report_evt(hdev, skb); - break; - - case HCI_EV_LE_LTK_REQ: - hci_le_ltk_request_evt(hdev, skb); - break; - - default: - break; - } -} - -void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_event_hdr *hdr = (void *) skb->data; - __u8 event = hdr->evt; - - skb_pull(skb, HCI_EVENT_HDR_SIZE); - - switch (event) { - case HCI_EV_INQUIRY_COMPLETE: - hci_inquiry_complete_evt(hdev, skb); - break; - - case HCI_EV_INQUIRY_RESULT: - hci_inquiry_result_evt(hdev, skb); - break; - - case HCI_EV_CONN_COMPLETE: - hci_conn_complete_evt(hdev, skb); - break; - - case HCI_EV_CONN_REQUEST: - hci_conn_request_evt(hdev, skb); - break; - - case HCI_EV_DISCONN_COMPLETE: - hci_disconn_complete_evt(hdev, skb); - break; - - case HCI_EV_AUTH_COMPLETE: - hci_auth_complete_evt(hdev, skb); - break; - - case HCI_EV_REMOTE_NAME: - hci_remote_name_evt(hdev, skb); - break; - - case HCI_EV_ENCRYPT_CHANGE: - hci_encrypt_change_evt(hdev, skb); - break; - - case HCI_EV_CHANGE_LINK_KEY_COMPLETE: - hci_change_link_key_complete_evt(hdev, skb); - break; - - case HCI_EV_REMOTE_FEATURES: - hci_remote_features_evt(hdev, skb); - break; - - case HCI_EV_REMOTE_VERSION: - hci_remote_version_evt(hdev, skb); - break; - - case HCI_EV_QOS_SETUP_COMPLETE: - hci_qos_setup_complete_evt(hdev, skb); - break; - - case HCI_EV_CMD_COMPLETE: - hci_cmd_complete_evt(hdev, skb); - break; - - case HCI_EV_CMD_STATUS: - hci_cmd_status_evt(hdev, skb); - break; - - case HCI_EV_ROLE_CHANGE: - hci_role_change_evt(hdev, skb); - break; - - case HCI_EV_NUM_COMP_PKTS: - hci_num_comp_pkts_evt(hdev, skb); - break; - - case HCI_EV_MODE_CHANGE: - hci_mode_change_evt(hdev, skb); - break; - - case HCI_EV_PIN_CODE_REQ: - hci_pin_code_request_evt(hdev, skb); - break; - - case HCI_EV_LINK_KEY_REQ: - hci_link_key_request_evt(hdev, skb); - break; - - case HCI_EV_LINK_KEY_NOTIFY: - hci_link_key_notify_evt(hdev, skb); - break; - - case HCI_EV_CLOCK_OFFSET: - hci_clock_offset_evt(hdev, skb); - break; - - case HCI_EV_PKT_TYPE_CHANGE: - hci_pkt_type_change_evt(hdev, skb); - break; - - case HCI_EV_PSCAN_REP_MODE: - hci_pscan_rep_mode_evt(hdev, skb); - break; - - case HCI_EV_INQUIRY_RESULT_WITH_RSSI: - hci_inquiry_result_with_rssi_evt(hdev, skb); - break; - - case HCI_EV_REMOTE_EXT_FEATURES: - hci_remote_ext_features_evt(hdev, skb); - break; - - case HCI_EV_SYNC_CONN_COMPLETE: - hci_sync_conn_complete_evt(hdev, skb); - break; - - case HCI_EV_SYNC_CONN_CHANGED: - hci_sync_conn_changed_evt(hdev, skb); - break; - - case HCI_EV_SNIFF_SUBRATE: - hci_sniff_subrate_evt(hdev, skb); - break; - - case HCI_EV_EXTENDED_INQUIRY_RESULT: - hci_extended_inquiry_result_evt(hdev, skb); - break; - - case HCI_EV_IO_CAPA_REQUEST: - hci_io_capa_request_evt(hdev, skb); - break; - - case HCI_EV_IO_CAPA_REPLY: - hci_io_capa_reply_evt(hdev, skb); - break; - - case HCI_EV_USER_CONFIRM_REQUEST: - hci_user_confirm_request_evt(hdev, skb); - break; - - case HCI_EV_USER_PASSKEY_REQUEST: - hci_user_passkey_request_evt(hdev, skb); - break; - - case HCI_EV_SIMPLE_PAIR_COMPLETE: - hci_simple_pair_complete_evt(hdev, skb); - break; - - case HCI_EV_REMOTE_HOST_FEATURES: - hci_remote_host_features_evt(hdev, skb); - break; - - case HCI_EV_LE_META: - hci_le_meta_evt(hdev, skb); - break; - - case HCI_EV_REMOTE_OOB_DATA_REQUEST: - hci_remote_oob_data_request_evt(hdev, skb); - break; - - case HCI_EV_NUM_COMP_BLOCKS: - hci_num_comp_blocks_evt(hdev, skb); - break; - - default: - BT_DBG("%s event 0x%x", hdev->name, event); - break; - } - - kfree_skb(skb); - hdev->stat.evt_rx++; -} - -/* Generate internal stack event */ -void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data) -{ - struct hci_event_hdr *hdr; - struct hci_ev_stack_internal *ev; - struct sk_buff *skb; - - skb = bt_skb_alloc(HCI_EVENT_HDR_SIZE + sizeof(*ev) + dlen, GFP_ATOMIC); - if (!skb) - return; - - hdr = (void *) skb_put(skb, HCI_EVENT_HDR_SIZE); - hdr->evt = HCI_EV_STACK_INTERNAL; - hdr->plen = sizeof(*ev) + dlen; - - ev = (void *) skb_put(skb, sizeof(*ev) + dlen); - ev->type = type; - memcpy(ev->data, data, dlen); - - bt_cb(skb)->incoming = 1; - __net_timestamp(skb); - - bt_cb(skb)->pkt_type = HCI_EVENT_PKT; - skb->dev = (void *) hdev; - hci_send_to_sock(hdev, skb); - kfree_skb(skb); -} |