hci_event.c 88.5 KB
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/*
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   BlueZ - Bluetooth protocol stack for Linux
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   Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved.
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   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
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   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
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   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

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   ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
   COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
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   SOFTWARE IS DISCLAIMED.
*/

/* Bluetooth HCI event handling. */

#include <asm/unaligned.h>

#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
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#include <net/bluetooth/mgmt.h>
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#include <net/bluetooth/a2mp.h>
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#include <net/bluetooth/amp.h>
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/* Handle HCI Event packets */

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static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)
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{
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	__u8 status = *((__u8 *) skb->data);
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	BT_DBG("%s status 0x%2.2x", hdev->name, status);
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	if (status)
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		return;
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	clear_bit(HCI_INQUIRY, &hdev->flags);
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	smp_mb__after_clear_bit(); /* wake_up_bit advises about this barrier */
	wake_up_bit(&hdev->flags, HCI_INQUIRY);
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	hci_conn_check_pending(hdev);
}
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static void hci_cc_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
{
	__u8 status = *((__u8 *) skb->data);

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

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

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static void hci_cc_exit_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
{
	__u8 status = *((__u8 *) skb->data);
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	BT_DBG("%s status 0x%2.2x", hdev->name, status);
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	if (status)
		return;
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	clear_bit(HCI_PERIODIC_INQ, &hdev->dev_flags);

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	hci_conn_check_pending(hdev);
}

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static void hci_cc_remote_name_req_cancel(struct hci_dev *hdev,
					  struct sk_buff *skb)
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{
	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;

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

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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;

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

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static void hci_cc_write_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
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{
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	struct hci_rp_write_link_policy *rp = (void *) skb->data;
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	struct hci_conn *conn;
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	void *sent;
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	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
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	if (rp->status)
		return;
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	sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LINK_POLICY);
	if (!sent)
		return;
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	hci_dev_lock(hdev);
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	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
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	if (conn)
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		conn->link_policy = get_unaligned_le16(sent + 2);
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	hci_dev_unlock(hdev);
}
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static void hci_cc_read_def_link_policy(struct hci_dev *hdev,
					struct sk_buff *skb)
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{
	struct hci_rp_read_def_link_policy *rp = (void *) skb->data;

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

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

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

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	BT_DBG("%s status 0x%2.2x", hdev->name, status);
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	sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_DEF_LINK_POLICY);
	if (!sent)
		return;

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

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static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb)
{
	__u8 status = *((__u8 *) skb->data);
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	BT_DBG("%s status 0x%2.2x", hdev->name, status);
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	clear_bit(HCI_RESET, &hdev->flags);

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	/* Reset all non-persistent flags */
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	hdev->dev_flags &= ~HCI_PERSISTENT_MASK;
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	hdev->discovery.state = DISCOVERY_STOPPED;
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	hdev->inq_tx_power = HCI_TX_POWER_INVALID;
	hdev->adv_tx_power = HCI_TX_POWER_INVALID;
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	memset(hdev->adv_data, 0, sizeof(hdev->adv_data));
	hdev->adv_data_len = 0;
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}
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static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb)
{
	__u8 status = *((__u8 *) skb->data);
	void *sent;
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	BT_DBG("%s status 0x%2.2x", hdev->name, status);
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	sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME);
	if (!sent)
		return;
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	hci_dev_lock(hdev);

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	if (test_bit(HCI_MGMT, &hdev->dev_flags))
		mgmt_set_local_name_complete(hdev, sent, status);
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	else if (!status)
		memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH);
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	hci_dev_unlock(hdev);
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}

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;

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

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	if (test_bit(HCI_SETUP, &hdev->dev_flags))
		memcpy(hdev->dev_name, rp->name, HCI_MAX_NAME_LENGTH);
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}

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

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	BT_DBG("%s status 0x%2.2x", hdev->name, status);
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	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);
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	}
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	if (test_bit(HCI_MGMT, &hdev->dev_flags))
		mgmt_auth_enable_complete(hdev, status);
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}

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

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	BT_DBG("%s status 0x%2.2x", hdev->name, status);
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	sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE);
	if (!sent)
		return;
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	if (!status) {
		__u8 param = *((__u8 *) sent);

		if (param)
			set_bit(HCI_ENCRYPT, &hdev->flags);
		else
			clear_bit(HCI_ENCRYPT, &hdev->flags);
	}
}
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static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb)
{
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	__u8 param, status = *((__u8 *) skb->data);
	int old_pscan, old_iscan;
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	void *sent;
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	BT_DBG("%s status 0x%2.2x", hdev->name, status);
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	sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SCAN_ENABLE);
	if (!sent)
		return;
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	param = *((__u8 *) sent);

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	hci_dev_lock(hdev);

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	if (status) {
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		mgmt_write_scan_failed(hdev, param, status);
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		hdev->discov_timeout = 0;
		goto done;
	}

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	/* We need to ensure that we set this back on if someone changed
	 * the scan mode through a raw HCI socket.
	 */
	set_bit(HCI_BREDR_ENABLED, &hdev->dev_flags);

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	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)
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			mgmt_discoverable(hdev, 1);
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		if (hdev->discov_timeout > 0) {
			int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
			queue_delayed_work(hdev->workqueue, &hdev->discov_off,
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					   to);
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		}
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	} else if (old_iscan)
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		mgmt_discoverable(hdev, 0);
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	if (param & SCAN_PAGE) {
		set_bit(HCI_PSCAN, &hdev->flags);
		if (!old_pscan)
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			mgmt_connectable(hdev, 1);
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	} else if (old_pscan)
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		mgmt_connectable(hdev, 0);
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done:
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	hci_dev_unlock(hdev);
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}
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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;
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	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
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	if (rp->status)
		return;
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	memcpy(hdev->dev_class, rp->dev_class, 3);
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	BT_DBG("%s class 0x%.2x%.2x%.2x", hdev->name,
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	       hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]);
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}
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static void hci_cc_write_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
{
	__u8 status = *((__u8 *) skb->data);
	void *sent;
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	BT_DBG("%s status 0x%2.2x", hdev->name, status);
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	sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV);
	if (!sent)
		return;
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	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);
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}
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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;

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

	setting = __le16_to_cpu(rp->voice_setting);

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	if (hdev->voice_setting == setting)
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		return;

	hdev->voice_setting = setting;

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	BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting);
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	if (hdev->notify)
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		hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
}

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static void hci_cc_write_voice_setting(struct hci_dev *hdev,
				       struct sk_buff *skb)
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{
	__u8 status = *((__u8 *) skb->data);
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	__u16 setting;
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	void *sent;

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

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	sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_VOICE_SETTING);
	if (!sent)
		return;
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	setting = get_unaligned_le16(sent);
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	if (hdev->voice_setting == setting)
		return;

	hdev->voice_setting = setting;
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	BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting);
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	if (hdev->notify)
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		hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
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}

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static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
{
	__u8 status = *((__u8 *) skb->data);
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	struct hci_cp_write_ssp_mode *sent;
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	BT_DBG("%s status 0x%2.2x", hdev->name, status);
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	sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE);
	if (!sent)
		return;

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	if (!status) {
		if (sent->mode)
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			hdev->features[1][0] |= LMP_HOST_SSP;
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		else
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			hdev->features[1][0] &= ~LMP_HOST_SSP;
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	}

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	if (test_bit(HCI_MGMT, &hdev->dev_flags))
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		mgmt_ssp_enable_complete(hdev, sent->mode, status);
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	else if (!status) {
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		if (sent->mode)
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			set_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
		else
			clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
	}
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}

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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;
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	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
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	if (rp->status)
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		return;
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	hdev->hci_ver = rp->hci_ver;
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	hdev->hci_rev = __le16_to_cpu(rp->hci_rev);
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	hdev->lmp_ver = rp->lmp_ver;
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	hdev->manufacturer = __le16_to_cpu(rp->manufacturer);
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	hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver);
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	BT_DBG("%s manufacturer 0x%4.4x hci ver %d:%d", hdev->name,
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	       hdev->manufacturer, hdev->hci_ver, hdev->hci_rev);
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}

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static void hci_cc_read_local_commands(struct hci_dev *hdev,
				       struct sk_buff *skb)
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{
	struct hci_rp_read_local_commands *rp = (void *) skb->data;
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	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
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	if (!rp->status)
		memcpy(hdev->commands, rp->commands, sizeof(hdev->commands));
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}
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static void hci_cc_read_local_features(struct hci_dev *hdev,
				       struct sk_buff *skb)
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{
	struct hci_rp_read_local_features *rp = (void *) skb->data;
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	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
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	if (rp->status)
		return;
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	memcpy(hdev->features, rp->features, 8);
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	/* Adjust default settings according to features
	 * supported by device. */
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	if (hdev->features[0][0] & LMP_3SLOT)
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		hdev->pkt_type |= (HCI_DM3 | HCI_DH3);
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	if (hdev->features[0][0] & LMP_5SLOT)
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		hdev->pkt_type |= (HCI_DM5 | HCI_DH5);
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	if (hdev->features[0][1] & LMP_HV2) {
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		hdev->pkt_type  |= (HCI_HV2);
		hdev->esco_type |= (ESCO_HV2);
	}
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	if (hdev->features[0][1] & LMP_HV3) {
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		hdev->pkt_type  |= (HCI_HV3);
		hdev->esco_type |= (ESCO_HV3);
	}
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	if (lmp_esco_capable(hdev))
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		hdev->esco_type |= (ESCO_EV3);
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	if (hdev->features[0][4] & LMP_EV4)
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		hdev->esco_type |= (ESCO_EV4);
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	if (hdev->features[0][4] & LMP_EV5)
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		hdev->esco_type |= (ESCO_EV5);
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	if (hdev->features[0][5] & LMP_EDR_ESCO_2M)
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		hdev->esco_type |= (ESCO_2EV3);

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	if (hdev->features[0][5] & LMP_EDR_ESCO_3M)
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		hdev->esco_type |= (ESCO_3EV3);

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	if (hdev->features[0][5] & LMP_EDR_3S_ESCO)
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		hdev->esco_type |= (ESCO_2EV5 | ESCO_3EV5);

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	BT_DBG("%s features 0x%.2x%.2x%.2x%.2x%.2x%.2x%.2x%.2x", hdev->name,
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	       hdev->features[0][0], hdev->features[0][1],
	       hdev->features[0][2], hdev->features[0][3],
	       hdev->features[0][4], hdev->features[0][5],
	       hdev->features[0][6], hdev->features[0][7]);
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}
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static void hci_cc_read_local_ext_features(struct hci_dev *hdev,
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					   struct sk_buff *skb)
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{
	struct hci_rp_read_local_ext_features *rp = (void *) skb->data;

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

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	if (rp->page < HCI_MAX_PAGES)
		memcpy(hdev->features[rp->page], rp->features, 8);
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}

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static void hci_cc_read_flow_control_mode(struct hci_dev *hdev,
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					  struct sk_buff *skb)
552 553 554
{
	struct hci_rp_read_flow_control_mode *rp = (void *) skb->data;

555
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
556

557 558
	if (!rp->status)
		hdev->flow_ctl_mode = rp->mode;
559 560
}

561 562 563
static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
{
	struct hci_rp_read_buffer_size *rp = (void *) skb->data;
L
Linus Torvalds 已提交
564

565
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
L
Linus Torvalds 已提交
566

567 568
	if (rp->status)
		return;
L
Linus Torvalds 已提交
569

570 571 572 573 574 575 576 577
	hdev->acl_mtu  = __le16_to_cpu(rp->acl_mtu);
	hdev->sco_mtu  = rp->sco_mtu;
	hdev->acl_pkts = __le16_to_cpu(rp->acl_max_pkt);
	hdev->sco_pkts = __le16_to_cpu(rp->sco_max_pkt);

	if (test_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks)) {
		hdev->sco_mtu  = 64;
		hdev->sco_pkts = 8;
L
Linus Torvalds 已提交
578
	}
579 580 581 582

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

583 584
	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);
585 586 587 588 589 590
}

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;

591
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
592 593 594

	if (!rp->status)
		bacpy(&hdev->bdaddr, &rp->bdaddr);
595 596
}

597 598 599 600 601 602 603 604 605 606 607 608 609
static void hci_cc_read_page_scan_activity(struct hci_dev *hdev,
					   struct sk_buff *skb)
{
	struct hci_rp_read_page_scan_activity *rp = (void *) skb->data;

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

	if (test_bit(HCI_INIT, &hdev->flags) && !rp->status) {
		hdev->page_scan_interval = __le16_to_cpu(rp->interval);
		hdev->page_scan_window = __le16_to_cpu(rp->window);
	}
}

610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628
static void hci_cc_write_page_scan_activity(struct hci_dev *hdev,
					    struct sk_buff *skb)
{
	u8 status = *((u8 *) skb->data);
	struct hci_cp_write_page_scan_activity *sent;

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

	if (status)
		return;

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

	hdev->page_scan_interval = __le16_to_cpu(sent->interval);
	hdev->page_scan_window = __le16_to_cpu(sent->window);
}

629 630 631 632 633 634 635 636 637 638 639
static void hci_cc_read_page_scan_type(struct hci_dev *hdev,
					   struct sk_buff *skb)
{
	struct hci_rp_read_page_scan_type *rp = (void *) skb->data;

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

	if (test_bit(HCI_INIT, &hdev->flags) && !rp->status)
		hdev->page_scan_type = rp->type;
}

640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655
static void hci_cc_write_page_scan_type(struct hci_dev *hdev,
					struct sk_buff *skb)
{
	u8 status = *((u8 *) skb->data);
	u8 *type;

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

	if (status)
		return;

	type = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_TYPE);
	if (type)
		hdev->page_scan_type = *type;
}

656
static void hci_cc_read_data_block_size(struct hci_dev *hdev,
657
					struct sk_buff *skb)
658 659 660
{
	struct hci_rp_read_data_block_size *rp = (void *) skb->data;

661
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
662 663 664 665 666 667 668 669 670 671 672

	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,
673
	       hdev->block_cnt, hdev->block_len);
674 675
}

676
static void hci_cc_read_local_amp_info(struct hci_dev *hdev,
677
				       struct sk_buff *skb)
678 679 680
{
	struct hci_rp_read_local_amp_info *rp = (void *) skb->data;

681
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
682 683

	if (rp->status)
684
		goto a2mp_rsp;
685 686 687 688 689 690 691 692 693 694 695 696

	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);

697 698
a2mp_rsp:
	a2mp_send_getinfo_rsp(hdev);
699 700
}

701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716
static void hci_cc_read_local_amp_assoc(struct hci_dev *hdev,
					struct sk_buff *skb)
{
	struct hci_rp_read_local_amp_assoc *rp = (void *) skb->data;
	struct amp_assoc *assoc = &hdev->loc_assoc;
	size_t rem_len, frag_len;

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

	if (rp->status)
		goto a2mp_rsp;

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

	if (rem_len > frag_len) {
717
		BT_DBG("frag_len %zu rem_len %zu", frag_len, rem_len);
718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734

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

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

		return;
	}

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

a2mp_rsp:
	/* Send A2MP Rsp when all fragments are received */
	a2mp_send_getampassoc_rsp(hdev, rp->status);
735
	a2mp_send_create_phy_link_req(hdev, rp->status);
736 737
}

738
static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev,
739
					 struct sk_buff *skb)
740
{
741
	struct hci_rp_read_inq_rsp_tx_power *rp = (void *) skb->data;
742

743
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
744 745 746

	if (!rp->status)
		hdev->inq_tx_power = rp->tx_power;
747 748
}

749 750 751 752 753 754
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;

755
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
756

757 758
	hci_dev_lock(hdev);

759
	if (test_bit(HCI_MGMT, &hdev->dev_flags))
760
		mgmt_pin_code_reply_complete(hdev, &rp->bdaddr, rp->status);
761

762
	if (rp->status)
763
		goto unlock;
764 765 766

	cp = hci_sent_cmd_data(hdev, HCI_OP_PIN_CODE_REPLY);
	if (!cp)
767
		goto unlock;
768 769 770 771

	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
	if (conn)
		conn->pin_length = cp->pin_len;
772 773 774

unlock:
	hci_dev_unlock(hdev);
775 776 777 778 779 780
}

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;

781
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
782

783 784
	hci_dev_lock(hdev);

785
	if (test_bit(HCI_MGMT, &hdev->dev_flags))
786
		mgmt_pin_code_neg_reply_complete(hdev, &rp->bdaddr,
787
						 rp->status);
788 789

	hci_dev_unlock(hdev);
790
}
791

792 793 794 795 796
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;

797
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
798 799 800 801 802 803 804 805 806 807 808

	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);
}
809

810 811 812 813 814 815 816 817 818 819 820
static void hci_cc_le_read_local_features(struct hci_dev *hdev,
					  struct sk_buff *skb)
{
	struct hci_rp_le_read_local_features *rp = (void *) skb->data;

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

	if (!rp->status)
		memcpy(hdev->le_features, rp->features, 8);
}

821 822 823 824 825 826 827
static void hci_cc_le_read_adv_tx_power(struct hci_dev *hdev,
					struct sk_buff *skb)
{
	struct hci_rp_le_read_adv_tx_power *rp = (void *) skb->data;

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

828
	if (!rp->status)
829 830 831
		hdev->adv_tx_power = rp->tx_power;
}

832 833 834 835
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;

836
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
837

838 839
	hci_dev_lock(hdev);

840
	if (test_bit(HCI_MGMT, &hdev->dev_flags))
841 842
		mgmt_user_confirm_reply_complete(hdev, &rp->bdaddr, ACL_LINK, 0,
						 rp->status);
843 844

	hci_dev_unlock(hdev);
845 846 847
}

static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev,
848
					  struct sk_buff *skb)
849 850 851
{
	struct hci_rp_user_confirm_reply *rp = (void *) skb->data;

852
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
853

854 855
	hci_dev_lock(hdev);

856
	if (test_bit(HCI_MGMT, &hdev->dev_flags))
857
		mgmt_user_confirm_neg_reply_complete(hdev, &rp->bdaddr,
858
						     ACL_LINK, 0, rp->status);
859 860

	hci_dev_unlock(hdev);
861 862
}

863 864 865 866
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;

867
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
868 869 870

	hci_dev_lock(hdev);

871
	if (test_bit(HCI_MGMT, &hdev->dev_flags))
872
		mgmt_user_passkey_reply_complete(hdev, &rp->bdaddr, ACL_LINK,
873
						 0, rp->status);
874 875 876 877 878

	hci_dev_unlock(hdev);
}

static void hci_cc_user_passkey_neg_reply(struct hci_dev *hdev,
879
					  struct sk_buff *skb)
880 881 882
{
	struct hci_rp_user_confirm_reply *rp = (void *) skb->data;

883
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
884 885 886

	hci_dev_lock(hdev);

887
	if (test_bit(HCI_MGMT, &hdev->dev_flags))
888
		mgmt_user_passkey_neg_reply_complete(hdev, &rp->bdaddr,
889
						     ACL_LINK, 0, rp->status);
890 891 892 893

	hci_dev_unlock(hdev);
}

894
static void hci_cc_read_local_oob_data_reply(struct hci_dev *hdev,
895
					     struct sk_buff *skb)
896 897 898
{
	struct hci_rp_read_local_oob_data *rp = (void *) skb->data;

899
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
900

901
	hci_dev_lock(hdev);
902
	mgmt_read_local_oob_data_reply_complete(hdev, rp->hash,
903
						rp->randomizer, rp->status);
904
	hci_dev_unlock(hdev);
905 906
}

907 908 909 910 911 912 913 914 915 916 917 918 919 920
static void hci_cc_le_set_adv_enable(struct hci_dev *hdev, struct sk_buff *skb)
{
	__u8 *sent, status = *((__u8 *) skb->data);

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

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

	hci_dev_lock(hdev);

	if (!status) {
		if (*sent)
921
			set_bit(HCI_ADVERTISING, &hdev->dev_flags);
922
		else
923
			clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
924 925
	}

926 927
	if (!test_bit(HCI_INIT, &hdev->flags)) {
		struct hci_request req;
928

929 930 931 932 933 934
		hci_req_init(&req, hdev);
		hci_update_ad(&req);
		hci_req_run(&req, NULL);
	}

	hci_dev_unlock(hdev);
935 936
}

937
static void hci_cc_le_set_scan_enable(struct hci_dev *hdev,
938
				      struct sk_buff *skb)
939 940 941 942
{
	struct hci_cp_le_set_scan_enable *cp;
	__u8 status = *((__u8 *) skb->data);

943
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
944 945 946 947 948

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

949 950 951
	if (status)
		return;

952
	switch (cp->enable) {
953
	case LE_SCAN_ENABLE:
954
		set_bit(HCI_LE_SCAN, &hdev->dev_flags);
955 956
		break;

957
	case LE_SCAN_DISABLE:
958
		clear_bit(HCI_LE_SCAN, &hdev->dev_flags);
959 960 961 962 963
		break;

	default:
		BT_ERR("Used reserved LE_Scan_Enable param %d", cp->enable);
		break;
964
	}
965 966
}

967 968 969 970 971 972 973 974 975 976 977
static void hci_cc_le_read_white_list_size(struct hci_dev *hdev,
					   struct sk_buff *skb)
{
	struct hci_rp_le_read_white_list_size *rp = (void *) skb->data;

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

	if (!rp->status)
		hdev->le_white_list_size = rp->size;
}

978 979 980 981 982 983 984 985 986 987 988
static void hci_cc_le_read_supported_states(struct hci_dev *hdev,
					    struct sk_buff *skb)
{
	struct hci_rp_le_read_supported_states *rp = (void *) skb->data;

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

	if (!rp->status)
		memcpy(hdev->le_states, rp->le_states, 8);
}

989 990
static void hci_cc_write_le_host_supported(struct hci_dev *hdev,
					   struct sk_buff *skb)
991
{
992
	struct hci_cp_write_le_host_supported *sent;
993 994
	__u8 status = *((__u8 *) skb->data);

995
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
996

997
	sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED);
998
	if (!sent)
999 1000
		return;

1001
	if (!status) {
1002
		if (sent->le) {
1003
			hdev->features[1][0] |= LMP_HOST_LE;
1004 1005
			set_bit(HCI_LE_ENABLED, &hdev->dev_flags);
		} else {
1006
			hdev->features[1][0] &= ~LMP_HOST_LE;
1007
			clear_bit(HCI_LE_ENABLED, &hdev->dev_flags);
1008
			clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
1009
		}
1010 1011

		if (sent->simul)
1012
			hdev->features[1][0] |= LMP_HOST_LE_BREDR;
1013
		else
1014
			hdev->features[1][0] &= ~LMP_HOST_LE_BREDR;
1015
	}
1016 1017
}

1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031
static void hci_cc_write_remote_amp_assoc(struct hci_dev *hdev,
					  struct sk_buff *skb)
{
	struct hci_rp_write_remote_amp_assoc *rp = (void *) skb->data;

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

	if (rp->status)
		return;

	amp_write_rem_assoc_continue(hdev, rp->phy_handle);
}

1032
static void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
1033
{
1034
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
1035 1036 1037

	if (status) {
		hci_conn_check_pending(hdev);
1038 1039 1040
		return;
	}

1041
	set_bit(HCI_INQUIRY, &hdev->flags);
L
Linus Torvalds 已提交
1042 1043
}

1044
static void hci_cs_create_conn(struct hci_dev *hdev, __u8 status)
L
Linus Torvalds 已提交
1045
{
1046
	struct hci_cp_create_conn *cp;
L
Linus Torvalds 已提交
1047 1048
	struct hci_conn *conn;

1049
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
1050 1051

	cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN);
L
Linus Torvalds 已提交
1052 1053 1054 1055 1056 1057 1058
	if (!cp)
		return;

	hci_dev_lock(hdev);

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

1059
	BT_DBG("%s bdaddr %pMR hcon %p", hdev->name, &cp->bdaddr, conn);
L
Linus Torvalds 已提交
1060 1061 1062

	if (status) {
		if (conn && conn->state == BT_CONNECT) {
1063 1064 1065 1066 1067 1068
			if (status != 0x0c || conn->attempt > 2) {
				conn->state = BT_CLOSED;
				hci_proto_connect_cfm(conn, status);
				hci_conn_del(conn);
			} else
				conn->state = BT_CONNECT2;
L
Linus Torvalds 已提交
1069 1070 1071 1072 1073
		}
	} else {
		if (!conn) {
			conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr);
			if (conn) {
1074
				conn->out = true;
L
Linus Torvalds 已提交
1075 1076
				conn->link_mode |= HCI_LM_MASTER;
			} else
1077
				BT_ERR("No memory for new connection");
L
Linus Torvalds 已提交
1078 1079 1080 1081 1082 1083
		}
	}

	hci_dev_unlock(hdev);
}

1084
static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status)
L
Linus Torvalds 已提交
1085
{
1086 1087 1088
	struct hci_cp_add_sco *cp;
	struct hci_conn *acl, *sco;
	__u16 handle;
L
Linus Torvalds 已提交
1089

1090
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
1091

1092 1093
	if (!status)
		return;
L
Linus Torvalds 已提交
1094

1095 1096 1097
	cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO);
	if (!cp)
		return;
L
Linus Torvalds 已提交
1098

1099
	handle = __le16_to_cpu(cp->handle);
L
Linus Torvalds 已提交
1100

1101
	BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
L
Linus Torvalds 已提交
1102

1103
	hci_dev_lock(hdev);
L
Linus Torvalds 已提交
1104

1105
	acl = hci_conn_hash_lookup_handle(hdev, handle);
1106 1107 1108 1109
	if (acl) {
		sco = acl->link;
		if (sco) {
			sco->state = BT_CLOSED;
L
Linus Torvalds 已提交
1110

1111 1112 1113
			hci_proto_connect_cfm(sco, status);
			hci_conn_del(sco);
		}
1114
	}
L
Linus Torvalds 已提交
1115

1116 1117
	hci_dev_unlock(hdev);
}
L
Linus Torvalds 已提交
1118

1119 1120 1121 1122 1123
static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status)
{
	struct hci_cp_auth_requested *cp;
	struct hci_conn *conn;

1124
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138

	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);
1139
			hci_conn_drop(conn);
1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150
		}
	}

	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;

1151
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165

	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);
1166
			hci_conn_drop(conn);
1167 1168 1169 1170 1171 1172
		}
	}

	hci_dev_unlock(hdev);
}

1173
static int hci_outgoing_auth_needed(struct hci_dev *hdev,
1174
				    struct hci_conn *conn)
1175 1176 1177 1178
{
	if (conn->state != BT_CONFIG || !conn->out)
		return 0;

1179
	if (conn->pending_sec_level == BT_SECURITY_SDP)
1180 1181 1182
		return 0;

	/* Only request authentication for SSP connections or non-SSP
1183
	 * devices with sec_level HIGH or if MITM protection is requested */
1184 1185
	if (!hci_conn_ssp_enabled(conn) && !(conn->auth_type & 0x01) &&
	    conn->pending_sec_level != BT_SECURITY_HIGH)
1186 1187 1188 1189 1190
		return 0;

	return 1;
}

1191
static int hci_resolve_name(struct hci_dev *hdev,
1192
				   struct inquiry_entry *e)
1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205
{
	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);
}

1206
static bool hci_resolve_next_name(struct hci_dev *hdev)
1207 1208 1209 1210
{
	struct discovery_state *discov = &hdev->discovery;
	struct inquiry_entry *e;

1211 1212 1213 1214
	if (list_empty(&discov->resolve))
		return false;

	e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
1215 1216 1217
	if (!e)
		return false;

1218 1219 1220 1221 1222 1223 1224 1225 1226
	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,
1227
				   bdaddr_t *bdaddr, u8 *name, u8 name_len)
1228 1229 1230 1231 1232
{
	struct discovery_state *discov = &hdev->discovery;
	struct inquiry_entry *e;

	if (conn && !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
1233 1234
		mgmt_device_connected(hdev, bdaddr, ACL_LINK, 0x00, 0, name,
				      name_len, conn->dev_class);
1235 1236 1237 1238

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

1239 1240 1241 1242 1243 1244 1245
	if (discov->state == DISCOVERY_STOPPING)
		goto discov_complete;

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

	e = hci_inquiry_cache_lookup_resolve(hdev, bdaddr, NAME_PENDING);
1246 1247 1248 1249 1250 1251 1252 1253 1254
	/* If the device was not found in a list of found devices names of which
	 * are pending. there is no need to continue resolving a next name as it
	 * will be done upon receiving another Remote Name Request Complete
	 * Event */
	if (!e)
		return;

	list_del(&e->list);
	if (name) {
1255
		e->name_state = NAME_KNOWN;
1256 1257
		mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00,
				 e->data.rssi, name, name_len);
1258 1259
	} else {
		e->name_state = NAME_NOT_KNOWN;
1260 1261
	}

1262
	if (hci_resolve_next_name(hdev))
1263 1264 1265 1266 1267 1268
		return;

discov_complete:
	hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
}

1269 1270
static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status)
{
1271 1272 1273
	struct hci_cp_remote_name_req *cp;
	struct hci_conn *conn;

1274
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286

	/* 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);

1287 1288
	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);

1289
	if (test_bit(HCI_MGMT, &hdev->dev_flags))
1290
		hci_check_pending_name(hdev, conn, &cp->bdaddr, NULL, 0);
1291

1292 1293 1294 1295 1296 1297
	if (!conn)
		goto unlock;

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

1298
	if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
1299 1300 1301 1302 1303
		struct hci_cp_auth_requested cp;
		cp.handle = __cpu_to_le16(conn->handle);
		hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
	}

1304
unlock:
1305
	hci_dev_unlock(hdev);
1306
}
L
Linus Torvalds 已提交
1307

1308 1309 1310 1311 1312
static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status)
{
	struct hci_cp_read_remote_features *cp;
	struct hci_conn *conn;

1313
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327

	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);
1328
			hci_conn_drop(conn);
1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339
		}
	}

	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;

1340
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354

	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);
1355
			hci_conn_drop(conn);
1356 1357 1358 1359 1360 1361
		}
	}

	hci_dev_unlock(hdev);
}

1362 1363
static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status)
{
1364 1365 1366 1367
	struct hci_cp_setup_sync_conn *cp;
	struct hci_conn *acl, *sco;
	__u16 handle;

1368
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
1369 1370 1371 1372 1373 1374 1375 1376 1377 1378

	if (!status)
		return;

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

	handle = __le16_to_cpu(cp->handle);

1379
	BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
1380 1381 1382 1383

	hci_dev_lock(hdev);

	acl = hci_conn_hash_lookup_handle(hdev, handle);
1384 1385 1386 1387
	if (acl) {
		sco = acl->link;
		if (sco) {
			sco->state = BT_CLOSED;
1388

1389 1390 1391
			hci_proto_connect_cfm(sco, status);
			hci_conn_del(sco);
		}
1392 1393 1394
	}

	hci_dev_unlock(hdev);
L
Linus Torvalds 已提交
1395 1396
}

1397
static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status)
L
Linus Torvalds 已提交
1398
{
1399 1400
	struct hci_cp_sniff_mode *cp;
	struct hci_conn *conn;
L
Linus Torvalds 已提交
1401

1402
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
1403

1404 1405
	if (!status)
		return;
1406

1407 1408 1409
	cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE);
	if (!cp)
		return;
1410

1411
	hci_dev_lock(hdev);
1412

1413
	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1414
	if (conn) {
1415
		clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
1416

1417
		if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
1418 1419 1420
			hci_sco_setup(conn, status);
	}

1421 1422
	hci_dev_unlock(hdev);
}
1423

1424 1425 1426 1427
static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status)
{
	struct hci_cp_exit_sniff_mode *cp;
	struct hci_conn *conn;
1428

1429
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
1430

1431 1432
	if (!status)
		return;
1433

1434 1435 1436
	cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE);
	if (!cp)
		return;
1437

1438
	hci_dev_lock(hdev);
L
Linus Torvalds 已提交
1439

1440
	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1441
	if (conn) {
1442
		clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
L
Linus Torvalds 已提交
1443

1444
		if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
1445 1446 1447
			hci_sco_setup(conn, status);
	}

1448
	hci_dev_unlock(hdev);
L
Linus Torvalds 已提交
1449 1450
}

1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467
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,
1468
				       conn->dst_type, status);
1469 1470 1471 1472

	hci_dev_unlock(hdev);
}

V
Ville Tervo 已提交
1473 1474 1475 1476
static void hci_cs_le_create_conn(struct hci_dev *hdev, __u8 status)
{
	struct hci_conn *conn;

1477
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
V
Ville Tervo 已提交
1478

1479 1480
	if (status) {
		hci_dev_lock(hdev);
V
Ville Tervo 已提交
1481

1482
		conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
1483 1484 1485 1486
		if (!conn) {
			hci_dev_unlock(hdev);
			return;
		}
V
Ville Tervo 已提交
1487

1488
		BT_DBG("%s bdaddr %pMR conn %p", hdev->name, &conn->dst, conn);
V
Ville Tervo 已提交
1489

1490
		conn->state = BT_CLOSED;
1491
		mgmt_connect_failed(hdev, &conn->dst, conn->type,
1492 1493 1494
				    conn->dst_type, status);
		hci_proto_connect_cfm(conn, status);
		hci_conn_del(conn);
V
Ville Tervo 已提交
1495

1496 1497
		hci_dev_unlock(hdev);
	}
V
Ville Tervo 已提交
1498 1499
}

1500 1501
static void hci_cs_create_phylink(struct hci_dev *hdev, u8 status)
{
1502 1503
	struct hci_cp_create_phy_link *cp;

1504
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
1505 1506 1507 1508 1509

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

1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522
	hci_dev_lock(hdev);

	if (status) {
		struct hci_conn *hcon;

		hcon = hci_conn_hash_lookup_handle(hdev, cp->phy_handle);
		if (hcon)
			hci_conn_del(hcon);
	} else {
		amp_write_remote_assoc(hdev, cp->phy_handle);
	}

	hci_dev_unlock(hdev);
1523 1524
}

1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540
static void hci_cs_accept_phylink(struct hci_dev *hdev, u8 status)
{
	struct hci_cp_accept_phy_link *cp;

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

	if (status)
		return;

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

	amp_write_remote_assoc(hdev, cp->phy_handle);
}

1541
static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
L
Linus Torvalds 已提交
1542 1543
{
	__u8 status = *((__u8 *) skb->data);
1544 1545
	struct discovery_state *discov = &hdev->discovery;
	struct inquiry_entry *e;
L
Linus Torvalds 已提交
1546

1547
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
L
Linus Torvalds 已提交
1548

1549
	hci_conn_check_pending(hdev);
1550 1551 1552 1553

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

1554 1555 1556
	smp_mb__after_clear_bit(); /* wake_up_bit advises about this barrier */
	wake_up_bit(&hdev->flags, HCI_INQUIRY);

1557
	if (!test_bit(HCI_MGMT, &hdev->dev_flags))
1558 1559
		return;

1560
	hci_dev_lock(hdev);
1561

1562
	if (discov->state != DISCOVERY_FINDING)
1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578
		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:
1579
	hci_dev_unlock(hdev);
L
Linus Torvalds 已提交
1580 1581
}

1582
static void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
L
Linus Torvalds 已提交
1583
{
1584
	struct inquiry_data data;
1585
	struct inquiry_info *info = (void *) (skb->data + 1);
L
Linus Torvalds 已提交
1586 1587 1588 1589
	int num_rsp = *((__u8 *) skb->data);

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

1590 1591 1592
	if (!num_rsp)
		return;

1593 1594 1595
	if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
		return;

L
Linus Torvalds 已提交
1596
	hci_dev_lock(hdev);
1597

1598
	for (; num_rsp; num_rsp--, info++) {
1599
		bool name_known, ssp;
1600

L
Linus Torvalds 已提交
1601 1602 1603 1604 1605 1606 1607
		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;
1608
		data.ssp_mode		= 0x00;
1609

1610
		name_known = hci_inquiry_cache_update(hdev, &data, false, &ssp);
1611
		mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
1612 1613
				  info->dev_class, 0, !name_known, ssp, NULL,
				  0);
L
Linus Torvalds 已提交
1614
	}
1615

L
Linus Torvalds 已提交
1616 1617 1618
	hci_dev_unlock(hdev);
}

1619
static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
L
Linus Torvalds 已提交
1620
{
1621 1622
	struct hci_ev_conn_complete *ev = (void *) skb->data;
	struct hci_conn *conn;
L
Linus Torvalds 已提交
1623 1624 1625 1626 1627 1628

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

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
1629 1630 1631 1632 1633 1634 1635 1636 1637 1638
	if (!conn) {
		if (ev->link_type != SCO_LINK)
			goto unlock;

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

		conn->type = SCO_LINK;
	}
L
Linus Torvalds 已提交
1639 1640 1641

	if (!ev->status) {
		conn->handle = __le16_to_cpu(ev->handle);
1642 1643 1644 1645

		if (conn->type == ACL_LINK) {
			conn->state = BT_CONFIG;
			hci_conn_hold(conn);
1646 1647 1648 1649 1650 1651

			if (!conn->out && !hci_conn_ssp_enabled(conn) &&
			    !hci_find_link_key(hdev, &ev->bdaddr))
				conn->disc_timeout = HCI_PAIRING_TIMEOUT;
			else
				conn->disc_timeout = HCI_DISCONN_TIMEOUT;
1652 1653
		} else
			conn->state = BT_CONNECTED;
L
Linus Torvalds 已提交
1654

1655 1656
		hci_conn_add_sysfs(conn);

L
Linus Torvalds 已提交
1657 1658 1659 1660 1661 1662
		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;

1663 1664 1665 1666
		/* Get remote features */
		if (conn->type == ACL_LINK) {
			struct hci_cp_read_remote_features cp;
			cp.handle = ev->handle;
1667
			hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES,
1668
				     sizeof(cp), &cp);
1669 1670
		}

L
Linus Torvalds 已提交
1671
		/* Set packet type for incoming connection */
1672
		if (!conn->out && hdev->hci_ver < BLUETOOTH_VER_2_0) {
L
Linus Torvalds 已提交
1673 1674
			struct hci_cp_change_conn_ptype cp;
			cp.handle = ev->handle;
1675
			cp.pkt_type = cpu_to_le16(conn->pkt_type);
1676 1677
			hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp),
				     &cp);
L
Linus Torvalds 已提交
1678
		}
1679
	} else {
L
Linus Torvalds 已提交
1680
		conn->state = BT_CLOSED;
1681
		if (conn->type == ACL_LINK)
1682
			mgmt_connect_failed(hdev, &ev->bdaddr, conn->type,
1683
					    conn->dst_type, ev->status);
1684
	}
L
Linus Torvalds 已提交
1685

1686 1687
	if (conn->type == ACL_LINK)
		hci_sco_setup(conn, ev->status);
L
Linus Torvalds 已提交
1688

1689 1690
	if (ev->status) {
		hci_proto_connect_cfm(conn, ev->status);
L
Linus Torvalds 已提交
1691
		hci_conn_del(conn);
1692 1693
	} else if (ev->link_type != ACL_LINK)
		hci_proto_connect_cfm(conn, ev->status);
L
Linus Torvalds 已提交
1694

1695
unlock:
L
Linus Torvalds 已提交
1696 1697
	hci_dev_unlock(hdev);

1698
	hci_conn_check_pending(hdev);
L
Linus Torvalds 已提交
1699 1700
}

1701
static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
L
Linus Torvalds 已提交
1702
{
1703 1704
	struct hci_ev_conn_request *ev = (void *) skb->data;
	int mask = hdev->link_mode;
1705
	__u8 flags = 0;
L
Linus Torvalds 已提交
1706

1707
	BT_DBG("%s bdaddr %pMR type 0x%x", hdev->name, &ev->bdaddr,
1708
	       ev->link_type);
L
Linus Torvalds 已提交
1709

1710 1711
	mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type,
				      &flags);
L
Linus Torvalds 已提交
1712

1713
	if ((mask & HCI_LM_ACCEPT) &&
1714
	    !hci_blacklist_lookup(hdev, &ev->bdaddr)) {
1715
		/* Connection accepted */
1716
		struct inquiry_entry *ie;
L
Linus Torvalds 已提交
1717 1718
		struct hci_conn *conn;

1719
		hci_dev_lock(hdev);
1720

1721 1722
		ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
		if (ie)
1723 1724
			memcpy(ie->data.dev_class, ev->dev_class, 3);

1725 1726
		conn = hci_conn_hash_lookup_ba(hdev, ev->link_type,
					       &ev->bdaddr);
1727
		if (!conn) {
1728 1729
			conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr);
			if (!conn) {
1730
				BT_ERR("No memory for new connection");
1731 1732
				hci_dev_unlock(hdev);
				return;
L
Linus Torvalds 已提交
1733 1734
			}
		}
1735

1736
		memcpy(conn->dev_class, ev->dev_class, 3);
1737

1738
		hci_dev_unlock(hdev);
L
Linus Torvalds 已提交
1739

1740 1741
		if (ev->link_type == ACL_LINK ||
		    (!(flags & HCI_PROTO_DEFER) && !lmp_esco_capable(hdev))) {
1742
			struct hci_cp_accept_conn_req cp;
1743
			conn->state = BT_CONNECT;
L
Linus Torvalds 已提交
1744

1745 1746 1747 1748 1749 1750 1751
			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 */

1752 1753
			hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp),
				     &cp);
1754
		} else if (!(flags & HCI_PROTO_DEFER)) {
1755
			struct hci_cp_accept_sync_conn_req cp;
1756
			conn->state = BT_CONNECT;
1757 1758

			bacpy(&cp.bdaddr, &ev->bdaddr);
1759
			cp.pkt_type = cpu_to_le16(conn->pkt_type);
1760

1761 1762 1763
			cp.tx_bandwidth   = __constant_cpu_to_le32(0x00001f40);
			cp.rx_bandwidth   = __constant_cpu_to_le32(0x00001f40);
			cp.max_latency    = __constant_cpu_to_le16(0xffff);
1764 1765
			cp.content_format = cpu_to_le16(hdev->voice_setting);
			cp.retrans_effort = 0xff;
L
Linus Torvalds 已提交
1766

1767
			hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ,
1768
				     sizeof(cp), &cp);
1769 1770 1771
		} else {
			conn->state = BT_CONNECT2;
			hci_proto_connect_cfm(conn, 0);
1772
		}
1773 1774 1775
	} else {
		/* Connection rejected */
		struct hci_cp_reject_conn_req cp;
L
Linus Torvalds 已提交
1776

1777
		bacpy(&cp.bdaddr, &ev->bdaddr);
1778
		cp.reason = HCI_ERROR_REJ_BAD_ADDR;
1779
		hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp);
L
Linus Torvalds 已提交
1780 1781 1782
	}
}

1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798
static u8 hci_to_mgmt_reason(u8 err)
{
	switch (err) {
	case HCI_ERROR_CONNECTION_TIMEOUT:
		return MGMT_DEV_DISCONN_TIMEOUT;
	case HCI_ERROR_REMOTE_USER_TERM:
	case HCI_ERROR_REMOTE_LOW_RESOURCES:
	case HCI_ERROR_REMOTE_POWER_OFF:
		return MGMT_DEV_DISCONN_REMOTE;
	case HCI_ERROR_LOCAL_HOST_TERM:
		return MGMT_DEV_DISCONN_LOCAL_HOST;
	default:
		return MGMT_DEV_DISCONN_UNKNOWN;
	}
}

1799
static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1800
{
1801
	struct hci_ev_disconn_complete *ev = (void *) skb->data;
1802 1803
	struct hci_conn *conn;

1804
	BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1805 1806 1807 1808

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1809 1810
	if (!conn)
		goto unlock;
1811

1812 1813
	if (ev->status == 0)
		conn->state = BT_CLOSED;
1814

1815
	if (test_and_clear_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags) &&
1816
	    (conn->type == ACL_LINK || conn->type == LE_LINK)) {
1817
		if (ev->status) {
1818
			mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
1819
					       conn->dst_type, ev->status);
1820 1821 1822
		} else {
			u8 reason = hci_to_mgmt_reason(ev->reason);

1823
			mgmt_device_disconnected(hdev, &conn->dst, conn->type,
1824 1825
						 conn->dst_type, reason);
		}
1826
	}
1827

1828
	if (ev->status == 0) {
1829 1830
		if (conn->type == ACL_LINK && conn->flush_key)
			hci_remove_link_key(hdev, &conn->dst);
1831 1832 1833
		hci_proto_disconn_cfm(conn, ev->reason);
		hci_conn_del(conn);
	}
1834 1835

unlock:
1836 1837 1838
	hci_dev_unlock(hdev);
}

1839
static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
L
Linus Torvalds 已提交
1840
{
1841
	struct hci_ev_auth_complete *ev = (void *) skb->data;
1842
	struct hci_conn *conn;
L
Linus Torvalds 已提交
1843

1844
	BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
L
Linus Torvalds 已提交
1845 1846 1847

	hci_dev_lock(hdev);

1848
	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1849 1850 1851 1852
	if (!conn)
		goto unlock;

	if (!ev->status) {
1853
		if (!hci_conn_ssp_enabled(conn) &&
1854
		    test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) {
1855
			BT_INFO("re-auth of legacy device is not possible.");
1856
		} else {
1857 1858
			conn->link_mode |= HCI_LM_AUTH;
			conn->sec_level = conn->pending_sec_level;
1859
		}
1860
	} else {
1861
		mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type,
1862
				 ev->status);
1863
	}
L
Linus Torvalds 已提交
1864

1865 1866
	clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
	clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags);
L
Linus Torvalds 已提交
1867

1868
	if (conn->state == BT_CONFIG) {
1869
		if (!ev->status && hci_conn_ssp_enabled(conn)) {
1870 1871 1872 1873
			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),
1874
				     &cp);
1875
		} else {
1876 1877
			conn->state = BT_CONNECTED;
			hci_proto_connect_cfm(conn, ev->status);
1878
			hci_conn_drop(conn);
1879
		}
1880 1881
	} else {
		hci_auth_cfm(conn, ev->status);
1882

1883 1884
		hci_conn_hold(conn);
		conn->disc_timeout = HCI_DISCONN_TIMEOUT;
1885
		hci_conn_drop(conn);
1886 1887
	}

1888
	if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) {
1889 1890 1891 1892 1893
		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),
1894
				     &cp);
1895
		} else {
1896
			clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
1897
			hci_encrypt_cfm(conn, ev->status, 0x00);
L
Linus Torvalds 已提交
1898 1899 1900
		}
	}

1901
unlock:
L
Linus Torvalds 已提交
1902 1903 1904
	hci_dev_unlock(hdev);
}

1905
static void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb)
L
Linus Torvalds 已提交
1906
{
1907 1908 1909
	struct hci_ev_remote_name *ev = (void *) skb->data;
	struct hci_conn *conn;

1910
	BT_DBG("%s", hdev->name);
L
Linus Torvalds 已提交
1911

1912
	hci_conn_check_pending(hdev);
1913 1914 1915

	hci_dev_lock(hdev);

1916
	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
1917

1918 1919
	if (!test_bit(HCI_MGMT, &hdev->dev_flags))
		goto check_auth;
1920

1921 1922
	if (ev->status == 0)
		hci_check_pending_name(hdev, conn, &ev->bdaddr, ev->name,
1923
				       strnlen(ev->name, HCI_MAX_NAME_LENGTH));
1924 1925 1926 1927
	else
		hci_check_pending_name(hdev, conn, &ev->bdaddr, NULL, 0);

check_auth:
1928 1929 1930 1931 1932 1933
	if (!conn)
		goto unlock;

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

1934
	if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
1935 1936 1937 1938 1939
		struct hci_cp_auth_requested cp;
		cp.handle = __cpu_to_le16(conn->handle);
		hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
	}

1940
unlock:
1941
	hci_dev_unlock(hdev);
1942 1943
}

1944
static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
1945 1946 1947 1948
{
	struct hci_ev_encrypt_change *ev = (void *) skb->data;
	struct hci_conn *conn;

1949
	BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
L
Linus Torvalds 已提交
1950 1951 1952

	hci_dev_lock(hdev);

1953
	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
L
Linus Torvalds 已提交
1954 1955
	if (conn) {
		if (!ev->status) {
1956 1957 1958
			if (ev->encrypt) {
				/* Encryption implies authentication */
				conn->link_mode |= HCI_LM_AUTH;
L
Linus Torvalds 已提交
1959
				conn->link_mode |= HCI_LM_ENCRYPT;
1960
				conn->sec_level = conn->pending_sec_level;
1961
			} else
L
Linus Torvalds 已提交
1962 1963 1964
				conn->link_mode &= ~HCI_LM_ENCRYPT;
		}

1965
		clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
L
Linus Torvalds 已提交
1966

1967
		if (ev->status && conn->state == BT_CONNECTED) {
A
Andre Guedes 已提交
1968
			hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
1969
			hci_conn_drop(conn);
1970 1971 1972
			goto unlock;
		}

1973 1974 1975 1976 1977
		if (conn->state == BT_CONFIG) {
			if (!ev->status)
				conn->state = BT_CONNECTED;

			hci_proto_connect_cfm(conn, ev->status);
1978
			hci_conn_drop(conn);
1979 1980
		} else
			hci_encrypt_cfm(conn, ev->status, ev->encrypt);
L
Linus Torvalds 已提交
1981 1982
	}

1983
unlock:
L
Linus Torvalds 已提交
1984 1985 1986
	hci_dev_unlock(hdev);
}

1987 1988
static void hci_change_link_key_complete_evt(struct hci_dev *hdev,
					     struct sk_buff *skb)
L
Linus Torvalds 已提交
1989
{
1990
	struct hci_ev_change_link_key_complete *ev = (void *) skb->data;
1991
	struct hci_conn *conn;
L
Linus Torvalds 已提交
1992

1993
	BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
L
Linus Torvalds 已提交
1994 1995 1996

	hci_dev_lock(hdev);

1997
	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
L
Linus Torvalds 已提交
1998 1999 2000 2001
	if (conn) {
		if (!ev->status)
			conn->link_mode |= HCI_LM_SECURE;

2002
		clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
L
Linus Torvalds 已提交
2003 2004 2005 2006 2007 2008 2009

		hci_key_change_cfm(conn, ev->status);
	}

	hci_dev_unlock(hdev);
}

2010 2011
static void hci_remote_features_evt(struct hci_dev *hdev,
				    struct sk_buff *skb)
L
Linus Torvalds 已提交
2012
{
2013 2014 2015
	struct hci_ev_remote_features *ev = (void *) skb->data;
	struct hci_conn *conn;

2016
	BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
2017 2018 2019 2020

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2021 2022
	if (!conn)
		goto unlock;
2023

2024
	if (!ev->status)
2025
		memcpy(conn->features[0], ev->features, 8);
2026 2027 2028 2029 2030 2031 2032 2033 2034

	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,
2035
			     sizeof(cp), &cp);
2036 2037 2038
		goto unlock;
	}

2039
	if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
2040 2041 2042 2043 2044
		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);
2045 2046
	} else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
		mgmt_device_connected(hdev, &conn->dst, conn->type,
2047 2048
				      conn->dst_type, 0, NULL, 0,
				      conn->dev_class);
2049

2050
	if (!hci_outgoing_auth_needed(hdev, conn)) {
2051 2052
		conn->state = BT_CONNECTED;
		hci_proto_connect_cfm(conn, ev->status);
2053
		hci_conn_drop(conn);
2054
	}
2055

2056
unlock:
2057
	hci_dev_unlock(hdev);
L
Linus Torvalds 已提交
2058 2059
}

2060
static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
2061 2062
{
	struct hci_ev_cmd_complete *ev = (void *) skb->data;
2063
	u8 status = skb->data[sizeof(*ev)];
2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074
	__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;

2075 2076 2077 2078
	case HCI_OP_PERIODIC_INQ:
		hci_cc_periodic_inq(hdev, skb);
		break;

2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090
	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;

2091 2092 2093 2094
	case HCI_OP_READ_LINK_POLICY:
		hci_cc_read_link_policy(hdev, skb);
		break;

2095 2096 2097 2098
	case HCI_OP_WRITE_LINK_POLICY:
		hci_cc_write_link_policy(hdev, skb);
		break;

2099 2100 2101 2102 2103 2104 2105 2106
	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;

2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146
	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;

2147 2148 2149 2150
	case HCI_OP_WRITE_SSP_MODE:
		hci_cc_write_ssp_mode(hdev, skb);
		break;

2151 2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162
	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;

2163 2164 2165 2166
	case HCI_OP_READ_LOCAL_EXT_FEATURES:
		hci_cc_read_local_ext_features(hdev, skb);
		break;

2167 2168 2169 2170 2171 2172 2173 2174
	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;

2175 2176 2177 2178
	case HCI_OP_READ_PAGE_SCAN_ACTIVITY:
		hci_cc_read_page_scan_activity(hdev, skb);
		break;

2179 2180 2181 2182
	case HCI_OP_WRITE_PAGE_SCAN_ACTIVITY:
		hci_cc_write_page_scan_activity(hdev, skb);
		break;

2183 2184 2185 2186
	case HCI_OP_READ_PAGE_SCAN_TYPE:
		hci_cc_read_page_scan_type(hdev, skb);
		break;

2187 2188 2189 2190
	case HCI_OP_WRITE_PAGE_SCAN_TYPE:
		hci_cc_write_page_scan_type(hdev, skb);
		break;

2191 2192 2193 2194
	case HCI_OP_READ_DATA_BLOCK_SIZE:
		hci_cc_read_data_block_size(hdev, skb);
		break;

2195 2196 2197 2198
	case HCI_OP_READ_FLOW_CONTROL_MODE:
		hci_cc_read_flow_control_mode(hdev, skb);
		break;

2199 2200 2201 2202
	case HCI_OP_READ_LOCAL_AMP_INFO:
		hci_cc_read_local_amp_info(hdev, skb);
		break;

2203 2204 2205 2206
	case HCI_OP_READ_LOCAL_AMP_ASSOC:
		hci_cc_read_local_amp_assoc(hdev, skb);
		break;

2207 2208 2209 2210
	case HCI_OP_READ_INQ_RSP_TX_POWER:
		hci_cc_read_inq_rsp_tx_power(hdev, skb);
		break;

2211 2212 2213 2214 2215 2216 2217 2218
	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;

2219 2220 2221 2222
	case HCI_OP_READ_LOCAL_OOB_DATA:
		hci_cc_read_local_oob_data_reply(hdev, skb);
		break;

2223 2224 2225 2226
	case HCI_OP_LE_READ_BUFFER_SIZE:
		hci_cc_le_read_buffer_size(hdev, skb);
		break;

2227 2228 2229 2230
	case HCI_OP_LE_READ_LOCAL_FEATURES:
		hci_cc_le_read_local_features(hdev, skb);
		break;

2231 2232 2233 2234
	case HCI_OP_LE_READ_ADV_TX_POWER:
		hci_cc_le_read_adv_tx_power(hdev, skb);
		break;

2235 2236 2237 2238 2239 2240 2241 2242
	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;

2243 2244 2245 2246 2247 2248
	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);
2249
		break;
2250

2251 2252 2253 2254
	case HCI_OP_LE_SET_ADV_ENABLE:
		hci_cc_le_set_adv_enable(hdev, skb);
		break;

2255 2256 2257 2258
	case HCI_OP_LE_SET_SCAN_ENABLE:
		hci_cc_le_set_scan_enable(hdev, skb);
		break;

2259 2260 2261 2262
	case HCI_OP_LE_READ_WHITE_LIST_SIZE:
		hci_cc_le_read_white_list_size(hdev, skb);
		break;

2263 2264 2265 2266
	case HCI_OP_LE_READ_SUPPORTED_STATES:
		hci_cc_le_read_supported_states(hdev, skb);
		break;

2267 2268 2269 2270
	case HCI_OP_WRITE_LE_HOST_SUPPORTED:
		hci_cc_write_le_host_supported(hdev, skb);
		break;

2271 2272 2273 2274
	case HCI_OP_WRITE_REMOTE_AMP_ASSOC:
		hci_cc_write_remote_amp_assoc(hdev, skb);
		break;

2275
	default:
2276
		BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
2277 2278 2279
		break;
	}

2280
	if (opcode != HCI_OP_NOP)
2281 2282
		del_timer(&hdev->cmd_timer);

2283
	hci_req_cmd_complete(hdev, opcode, status);
2284

2285
	if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
2286 2287
		atomic_set(&hdev->cmd_cnt, 1);
		if (!skb_queue_empty(&hdev->cmd_q))
2288
			queue_work(hdev->workqueue, &hdev->cmd_work);
2289 2290 2291
	}
}

2292
static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 2312 2313
{
	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;

2314 2315 2316 2317 2318 2319 2320 2321
	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;

2322 2323 2324 2325
	case HCI_OP_REMOTE_NAME_REQ:
		hci_cs_remote_name_req(hdev, ev->status);
		break;

2326 2327 2328 2329 2330 2331 2332 2333
	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;

2334 2335 2336 2337 2338 2339 2340 2341 2342 2343 2344 2345
	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;

2346
	case HCI_OP_DISCONNECT:
2347
		hci_cs_disconnect(hdev, ev->status);
2348 2349
		break;

V
Ville Tervo 已提交
2350 2351 2352 2353
	case HCI_OP_LE_CREATE_CONN:
		hci_cs_le_create_conn(hdev, ev->status);
		break;

2354 2355 2356 2357
	case HCI_OP_CREATE_PHY_LINK:
		hci_cs_create_phylink(hdev, ev->status);
		break;

2358 2359 2360 2361
	case HCI_OP_ACCEPT_PHY_LINK:
		hci_cs_accept_phylink(hdev, ev->status);
		break;

2362
	default:
2363
		BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
2364 2365 2366
		break;
	}

2367
	if (opcode != HCI_OP_NOP)
2368 2369
		del_timer(&hdev->cmd_timer);

2370 2371 2372
	if (ev->status ||
	    (hdev->sent_cmd && !bt_cb(hdev->sent_cmd)->req.event))
		hci_req_cmd_complete(hdev, opcode, ev->status);
2373

2374
	if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
2375 2376
		atomic_set(&hdev->cmd_cnt, 1);
		if (!skb_queue_empty(&hdev->cmd_q))
2377
			queue_work(hdev->workqueue, &hdev->cmd_work);
2378 2379 2380
	}
}

2381
static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
2382 2383 2384 2385
{
	struct hci_ev_role_change *ev = (void *) skb->data;
	struct hci_conn *conn;

2386
	BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
2387 2388 2389 2390 2391 2392 2393 2394 2395 2396 2397 2398

	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;
		}

2399
		clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
2400 2401 2402 2403 2404 2405 2406

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

	hci_dev_unlock(hdev);
}

2407
static void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb)
2408 2409 2410 2411
{
	struct hci_ev_num_comp_pkts *ev = (void *) skb->data;
	int i;

2412 2413 2414 2415 2416
	if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) {
		BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
		return;
	}

2417
	if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
2418
	    ev->num_hndl * sizeof(struct hci_comp_pkts_info)) {
2419 2420 2421 2422
		BT_DBG("%s bad parameters", hdev->name);
		return;
	}

2423 2424
	BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl);

2425 2426
	for (i = 0; i < ev->num_hndl; i++) {
		struct hci_comp_pkts_info *info = &ev->handles[i];
2427 2428 2429
		struct hci_conn *conn;
		__u16  handle, count;

2430 2431
		handle = __le16_to_cpu(info->handle);
		count  = __le16_to_cpu(info->count);
2432 2433

		conn = hci_conn_hash_lookup_handle(hdev, handle);
2434 2435 2436 2437 2438 2439 2440 2441 2442 2443 2444 2445 2446 2447 2448 2449 2450 2451
		if (!conn)
			continue;

		conn->sent -= count;

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

		case LE_LINK:
			if (hdev->le_pkts) {
				hdev->le_cnt += count;
				if (hdev->le_cnt > hdev->le_pkts)
					hdev->le_cnt = hdev->le_pkts;
			} else {
A
Andrei Emeltchenko 已提交
2452 2453
				hdev->acl_cnt += count;
				if (hdev->acl_cnt > hdev->acl_pkts)
2454 2455
					hdev->acl_cnt = hdev->acl_pkts;
			}
2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466
			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;
2467 2468 2469
		}
	}

2470
	queue_work(hdev->workqueue, &hdev->tx_work);
2471 2472
}

2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490 2491 2492 2493
static struct hci_conn *__hci_conn_lookup_handle(struct hci_dev *hdev,
						 __u16 handle)
{
	struct hci_chan *chan;

	switch (hdev->dev_type) {
	case HCI_BREDR:
		return hci_conn_hash_lookup_handle(hdev, handle);
	case HCI_AMP:
		chan = hci_chan_lookup_handle(hdev, handle);
		if (chan)
			return chan->conn;
		break;
	default:
		BT_ERR("%s unknown dev_type %d", hdev->name, hdev->dev_type);
		break;
	}

	return NULL;
}

2494
static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb)
2495 2496 2497 2498 2499 2500 2501 2502 2503 2504
{
	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) +
2505
	    ev->num_hndl * sizeof(struct hci_comp_blocks_info)) {
2506 2507 2508 2509 2510
		BT_DBG("%s bad parameters", hdev->name);
		return;
	}

	BT_DBG("%s num_blocks %d num_hndl %d", hdev->name, ev->num_blocks,
2511
	       ev->num_hndl);
2512 2513 2514

	for (i = 0; i < ev->num_hndl; i++) {
		struct hci_comp_blocks_info *info = &ev->handles[i];
2515
		struct hci_conn *conn = NULL;
2516 2517 2518 2519 2520
		__u16  handle, block_count;

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

2521
		conn = __hci_conn_lookup_handle(hdev, handle);
2522 2523 2524 2525 2526 2527 2528
		if (!conn)
			continue;

		conn->sent -= block_count;

		switch (conn->type) {
		case ACL_LINK:
2529
		case AMP_LINK:
2530 2531 2532 2533 2534 2535 2536 2537 2538 2539 2540 2541 2542 2543
			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);
}

2544
static void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
2545
{
2546
	struct hci_ev_mode_change *ev = (void *) skb->data;
2547 2548
	struct hci_conn *conn;

2549
	BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
2550 2551 2552 2553

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2554 2555 2556 2557
	if (conn) {
		conn->mode = ev->mode;
		conn->interval = __le16_to_cpu(ev->interval);

2558 2559
		if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND,
					&conn->flags)) {
2560
			if (conn->mode == HCI_CM_ACTIVE)
2561
				set_bit(HCI_CONN_POWER_SAVE, &conn->flags);
2562
			else
2563
				clear_bit(HCI_CONN_POWER_SAVE, &conn->flags);
2564
		}
2565

2566
		if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
2567
			hci_sco_setup(conn, ev->status);
2568 2569 2570 2571 2572
	}

	hci_dev_unlock(hdev);
}

2573
static void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
2574
{
2575 2576 2577
	struct hci_ev_pin_code_req *ev = (void *) skb->data;
	struct hci_conn *conn;

2578
	BT_DBG("%s", hdev->name);
2579 2580 2581 2582

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2583 2584 2585 2586
	if (!conn)
		goto unlock;

	if (conn->state == BT_CONNECTED) {
2587 2588
		hci_conn_hold(conn);
		conn->disc_timeout = HCI_PAIRING_TIMEOUT;
2589
		hci_conn_drop(conn);
2590 2591
	}

2592
	if (!test_bit(HCI_PAIRABLE, &hdev->dev_flags))
2593
		hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
2594
			     sizeof(ev->bdaddr), &ev->bdaddr);
2595
	else if (test_bit(HCI_MGMT, &hdev->dev_flags)) {
2596 2597 2598 2599 2600 2601 2602
		u8 secure;

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

2603
		mgmt_pin_code_request(hdev, &ev->bdaddr, secure);
2604
	}
2605

2606
unlock:
2607
	hci_dev_unlock(hdev);
2608 2609
}

2610
static void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
2611
{
2612 2613 2614 2615 2616
	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;

2617
	BT_DBG("%s", hdev->name);
2618

2619
	if (!test_bit(HCI_MGMT, &hdev->dev_flags))
2620 2621 2622 2623 2624 2625
		return;

	hci_dev_lock(hdev);

	key = hci_find_link_key(hdev, &ev->bdaddr);
	if (!key) {
2626 2627
		BT_DBG("%s link key not found for %pMR", hdev->name,
		       &ev->bdaddr);
2628 2629 2630
		goto not_found;
	}

2631 2632
	BT_DBG("%s found key type %u for %pMR", hdev->name, key->type,
	       &ev->bdaddr);
2633

2634
	if (!test_bit(HCI_DEBUG_KEYS, &hdev->dev_flags) &&
2635
	    key->type == HCI_LK_DEBUG_COMBINATION) {
2636 2637 2638 2639 2640
		BT_DBG("%s ignoring debug key", hdev->name);
		goto not_found;
	}

	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2641 2642
	if (conn) {
		if (key->type == HCI_LK_UNAUTH_COMBINATION &&
2643
		    conn->auth_type != 0xff && (conn->auth_type & 0x01)) {
2644 2645 2646
			BT_DBG("%s ignoring unauthenticated key", hdev->name);
			goto not_found;
		}
2647

2648
		if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 &&
2649
		    conn->pending_sec_level == BT_SECURITY_HIGH) {
2650 2651
			BT_DBG("%s ignoring key unauthenticated for high security",
			       hdev->name);
2652 2653 2654 2655 2656
			goto not_found;
		}

		conn->key_type = key->type;
		conn->pin_length = key->pin_len;
2657 2658 2659
	}

	bacpy(&cp.bdaddr, &ev->bdaddr);
2660
	memcpy(cp.link_key, key->val, HCI_LINK_KEY_SIZE);
2661 2662 2663 2664 2665 2666 2667 2668 2669 2670

	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);
2671 2672
}

2673
static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
2674
{
2675 2676
	struct hci_ev_link_key_notify *ev = (void *) skb->data;
	struct hci_conn *conn;
2677
	u8 pin_len = 0;
2678

2679
	BT_DBG("%s", hdev->name);
2680 2681 2682 2683 2684 2685 2686

	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;
2687
		pin_len = conn->pin_length;
2688 2689 2690 2691

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

2692
		hci_conn_drop(conn);
2693 2694
	}

2695
	if (test_bit(HCI_MGMT, &hdev->dev_flags))
2696
		hci_add_link_key(hdev, conn, 1, &ev->bdaddr, ev->link_key,
2697
				 ev->key_type, pin_len);
2698

2699
	hci_dev_unlock(hdev);
2700 2701
}

2702
static void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb)
L
Linus Torvalds 已提交
2703
{
2704
	struct hci_ev_clock_offset *ev = (void *) skb->data;
2705
	struct hci_conn *conn;
L
Linus Torvalds 已提交
2706

2707
	BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
L
Linus Torvalds 已提交
2708 2709 2710

	hci_dev_lock(hdev);

2711
	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
L
Linus Torvalds 已提交
2712 2713 2714
	if (conn && !ev->status) {
		struct inquiry_entry *ie;

2715 2716
		ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
		if (ie) {
L
Linus Torvalds 已提交
2717 2718 2719 2720 2721 2722 2723 2724
			ie->data.clock_offset = ev->clock_offset;
			ie->timestamp = jiffies;
		}
	}

	hci_dev_unlock(hdev);
}

2725
static void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
2726 2727 2728 2729
{
	struct hci_ev_pkt_type_change *ev = (void *) skb->data;
	struct hci_conn *conn;

2730
	BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
2731 2732 2733 2734 2735 2736 2737 2738 2739 2740

	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);
}

2741
static void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb)
2742
{
2743
	struct hci_ev_pscan_rep_mode *ev = (void *) skb->data;
2744 2745 2746 2747 2748 2749
	struct inquiry_entry *ie;

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

	hci_dev_lock(hdev);

2750 2751
	ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
	if (ie) {
2752 2753 2754 2755 2756 2757 2758
		ie->data.pscan_rep_mode = ev->pscan_rep_mode;
		ie->timestamp = jiffies;
	}

	hci_dev_unlock(hdev);
}

2759 2760
static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev,
					     struct sk_buff *skb)
2761 2762 2763
{
	struct inquiry_data data;
	int num_rsp = *((__u8 *) skb->data);
2764
	bool name_known, ssp;
2765 2766 2767 2768 2769 2770

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

	if (!num_rsp)
		return;

2771 2772 2773
	if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
		return;

2774 2775 2776
	hci_dev_lock(hdev);

	if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) {
2777 2778
		struct inquiry_info_with_rssi_and_pscan_mode *info;
		info = (void *) (skb->data + 1);
2779

2780
		for (; num_rsp; num_rsp--, info++) {
2781 2782 2783 2784 2785 2786 2787
			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;
2788
			data.ssp_mode		= 0x00;
2789 2790

			name_known = hci_inquiry_cache_update(hdev, &data,
2791
							      false, &ssp);
2792
			mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
2793 2794
					  info->dev_class, info->rssi,
					  !name_known, ssp, NULL, 0);
2795 2796 2797 2798
		}
	} else {
		struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);

2799
		for (; num_rsp; num_rsp--, info++) {
2800 2801 2802 2803 2804 2805 2806
			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;
2807
			data.ssp_mode		= 0x00;
2808
			name_known = hci_inquiry_cache_update(hdev, &data,
2809
							      false, &ssp);
2810
			mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
2811 2812
					  info->dev_class, info->rssi,
					  !name_known, ssp, NULL, 0);
2813 2814 2815 2816 2817 2818
		}
	}

	hci_dev_unlock(hdev);
}

2819 2820
static void hci_remote_ext_features_evt(struct hci_dev *hdev,
					struct sk_buff *skb)
2821
{
2822 2823 2824
	struct hci_ev_remote_ext_features *ev = (void *) skb->data;
	struct hci_conn *conn;

2825
	BT_DBG("%s", hdev->name);
2826 2827 2828 2829

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2830 2831
	if (!conn)
		goto unlock;
2832

2833 2834 2835
	if (ev->page < HCI_MAX_PAGES)
		memcpy(conn->features[ev->page], ev->features, 8);

2836 2837
	if (!ev->status && ev->page == 0x01) {
		struct inquiry_entry *ie;
2838

2839 2840
		ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
		if (ie)
2841
			ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
2842

2843
		if (ev->features[0] & LMP_HOST_SSP) {
2844
			set_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
2845 2846 2847 2848 2849 2850 2851 2852 2853 2854 2855
		} else {
			/* It is mandatory by the Bluetooth specification that
			 * Extended Inquiry Results are only used when Secure
			 * Simple Pairing is enabled, but some devices violate
			 * this.
			 *
			 * To make these devices work, the internal SSP
			 * enabled flag needs to be cleared if the remote host
			 * features do not indicate SSP support */
			clear_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
		}
2856 2857 2858 2859 2860
	}

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

2861
	if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
2862 2863 2864 2865 2866
		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);
2867 2868
	} else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
		mgmt_device_connected(hdev, &conn->dst, conn->type,
2869 2870
				      conn->dst_type, 0, NULL, 0,
				      conn->dev_class);
2871

2872
	if (!hci_outgoing_auth_needed(hdev, conn)) {
2873 2874
		conn->state = BT_CONNECTED;
		hci_proto_connect_cfm(conn, ev->status);
2875
		hci_conn_drop(conn);
2876 2877
	}

2878
unlock:
2879
	hci_dev_unlock(hdev);
2880 2881
}

2882 2883
static void hci_sync_conn_complete_evt(struct hci_dev *hdev,
				       struct sk_buff *skb)
2884
{
2885 2886 2887
	struct hci_ev_sync_conn_complete *ev = (void *) skb->data;
	struct hci_conn *conn;

2888
	BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
2889 2890 2891 2892

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
2893 2894 2895 2896 2897 2898 2899 2900 2901 2902
	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;
	}
2903

2904 2905
	switch (ev->status) {
	case 0x00:
2906 2907
		conn->handle = __le16_to_cpu(ev->handle);
		conn->state  = BT_CONNECTED;
2908 2909

		hci_conn_add_sysfs(conn);
2910 2911
		break;

2912
	case 0x0d:	/* Connection Rejected due to Limited Resources */
2913
	case 0x11:	/* Unsupported Feature or Parameter Value */
2914
	case 0x1c:	/* SCO interval rejected */
2915
	case 0x1a:	/* Unsupported Remote Feature */
2916
	case 0x1f:	/* Unspecified error */
2917
		if (conn->out) {
2918 2919
			conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
					(hdev->esco_type & EDR_ESCO_MASK);
2920 2921
			if (hci_setup_sync(conn, conn->link->handle))
				goto unlock;
2922 2923 2924 2925
		}
		/* fall through */

	default:
2926
		conn->state = BT_CLOSED;
2927 2928
		break;
	}
2929 2930 2931 2932 2933 2934 2935

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

unlock:
	hci_dev_unlock(hdev);
2936 2937
}

2938 2939
static void hci_extended_inquiry_result_evt(struct hci_dev *hdev,
					    struct sk_buff *skb)
L
Linus Torvalds 已提交
2940
{
2941 2942 2943
	struct inquiry_data data;
	struct extended_inquiry_info *info = (void *) (skb->data + 1);
	int num_rsp = *((__u8 *) skb->data);
2944
	size_t eir_len;
L
Linus Torvalds 已提交
2945

2946
	BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
L
Linus Torvalds 已提交
2947

2948 2949
	if (!num_rsp)
		return;
L
Linus Torvalds 已提交
2950

2951 2952 2953
	if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
		return;

2954 2955
	hci_dev_lock(hdev);

2956
	for (; num_rsp; num_rsp--, info++) {
2957
		bool name_known, ssp;
2958

2959
		bacpy(&data.bdaddr, &info->bdaddr);
2960 2961 2962
		data.pscan_rep_mode	= info->pscan_rep_mode;
		data.pscan_period_mode	= info->pscan_period_mode;
		data.pscan_mode		= 0x00;
2963
		memcpy(data.dev_class, info->dev_class, 3);
2964 2965
		data.clock_offset	= info->clock_offset;
		data.rssi		= info->rssi;
2966
		data.ssp_mode		= 0x01;
2967

2968
		if (test_bit(HCI_MGMT, &hdev->dev_flags))
2969
			name_known = eir_has_data_type(info->data,
2970 2971
						       sizeof(info->data),
						       EIR_NAME_COMPLETE);
2972 2973 2974
		else
			name_known = true;

2975
		name_known = hci_inquiry_cache_update(hdev, &data, name_known,
2976
						      &ssp);
2977
		eir_len = eir_get_length(info->data, sizeof(info->data));
2978
		mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
2979
				  info->dev_class, info->rssi, !name_known,
2980
				  ssp, info->data, eir_len);
2981 2982 2983 2984
	}

	hci_dev_unlock(hdev);
}
L
Linus Torvalds 已提交
2985

2986 2987 2988 2989 2990 2991
static void hci_key_refresh_complete_evt(struct hci_dev *hdev,
					 struct sk_buff *skb)
{
	struct hci_ev_key_refresh_complete *ev = (void *) skb->data;
	struct hci_conn *conn;

2992
	BT_DBG("%s status 0x%2.2x handle 0x%4.4x", hdev->name, ev->status,
2993 2994 2995 2996 2997 2998 2999 3000 3001 3002 3003 3004 3005 3006
	       __le16_to_cpu(ev->handle));

	hci_dev_lock(hdev);

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

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

	clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);

	if (ev->status && conn->state == BT_CONNECTED) {
A
Andre Guedes 已提交
3007
		hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
3008
		hci_conn_drop(conn);
3009 3010 3011 3012 3013 3014 3015 3016
		goto unlock;
	}

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

		hci_proto_connect_cfm(conn, ev->status);
3017
		hci_conn_drop(conn);
3018 3019 3020 3021 3022
	} else {
		hci_auth_cfm(conn, ev->status);

		hci_conn_hold(conn);
		conn->disc_timeout = HCI_DISCONN_TIMEOUT;
3023
		hci_conn_drop(conn);
3024 3025 3026 3027 3028 3029
	}

unlock:
	hci_dev_unlock(hdev);
}

3030
static u8 hci_get_auth_req(struct hci_conn *conn)
3031 3032
{
	/* If remote requests dedicated bonding follow that lead */
3033 3034
	if (conn->remote_auth == HCI_AT_DEDICATED_BONDING ||
	    conn->remote_auth == HCI_AT_DEDICATED_BONDING_MITM) {
3035 3036
		/* If both remote and local IO capabilities allow MITM
		 * protection then require it, otherwise don't */
3037 3038 3039
		if (conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT ||
		    conn->io_capability == HCI_IO_NO_INPUT_OUTPUT)
			return HCI_AT_DEDICATED_BONDING;
3040
		else
3041
			return HCI_AT_DEDICATED_BONDING_MITM;
3042 3043 3044
	}

	/* If remote requests no-bonding follow that lead */
3045 3046
	if (conn->remote_auth == HCI_AT_NO_BONDING ||
	    conn->remote_auth == HCI_AT_NO_BONDING_MITM)
3047
		return conn->remote_auth | (conn->auth_type & 0x01);
3048 3049 3050 3051

	return conn->auth_type;
}

3052
static void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
3053 3054 3055 3056 3057 3058 3059 3060 3061
{
	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);
3062 3063 3064 3065 3066
	if (!conn)
		goto unlock;

	hci_conn_hold(conn);

3067
	if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3068 3069
		goto unlock;

3070
	if (test_bit(HCI_PAIRABLE, &hdev->dev_flags) ||
3071
	    (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) {
3072 3073 3074
		struct hci_cp_io_capability_reply cp;

		bacpy(&cp.bdaddr, &ev->bdaddr);
3075 3076 3077
		/* Change the IO capability from KeyboardDisplay
		 * to DisplayYesNo as it is not supported by BT spec. */
		cp.capability = (conn->io_capability == 0x04) ?
3078
				HCI_IO_DISPLAY_YESNO : conn->io_capability;
3079 3080
		conn->auth_type = hci_get_auth_req(conn);
		cp.authentication = conn->auth_type;
3081

3082 3083
		if (hci_find_remote_oob_data(hdev, &conn->dst) &&
		    (conn->out || test_bit(HCI_CONN_REMOTE_OOB, &conn->flags)))
3084 3085 3086 3087
			cp.oob_data = 0x01;
		else
			cp.oob_data = 0x00;

3088
		hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY,
3089
			     sizeof(cp), &cp);
3090 3091 3092 3093
	} else {
		struct hci_cp_io_capability_neg_reply cp;

		bacpy(&cp.bdaddr, &ev->bdaddr);
3094
		cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED;
3095

3096
		hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY,
3097
			     sizeof(cp), &cp);
3098 3099 3100 3101 3102 3103
	}

unlock:
	hci_dev_unlock(hdev);
}

3104
static void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb)
3105 3106 3107 3108 3109 3110 3111 3112 3113 3114 3115 3116 3117 3118
{
	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;
3119 3120
	if (ev->oob_data)
		set_bit(HCI_CONN_REMOTE_OOB, &conn->flags);
3121 3122

unlock:
3123 3124 3125
	hci_dev_unlock(hdev);
}

3126 3127
static void hci_user_confirm_request_evt(struct hci_dev *hdev,
					 struct sk_buff *skb)
3128 3129
{
	struct hci_ev_user_confirm_req *ev = (void *) skb->data;
3130
	int loc_mitm, rem_mitm, confirm_hint = 0;
3131
	struct hci_conn *conn;
3132 3133 3134 3135 3136

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

	hci_dev_lock(hdev);

3137
	if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3138
		goto unlock;
3139

3140 3141 3142 3143 3144 3145 3146 3147 3148 3149 3150 3151
	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. */
3152 3153
	if (!conn->connect_cfm_cb && loc_mitm &&
	    conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) {
3154 3155
		BT_DBG("Rejecting request: remote device can't provide MITM");
		hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY,
3156
			     sizeof(ev->bdaddr), &ev->bdaddr);
3157 3158 3159 3160
		goto unlock;
	}

	/* If no side requires MITM protection; auto-accept */
3161 3162
	if ((!loc_mitm || conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) &&
	    (!rem_mitm || conn->io_capability == HCI_IO_NO_INPUT_OUTPUT)) {
3163 3164 3165 3166

		/* If we're not the initiators request authorization to
		 * proceed from user space (mgmt_user_confirm with
		 * confirm_hint set to 1). */
3167
		if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
3168 3169 3170 3171 3172
			BT_DBG("Confirming auto-accept as acceptor");
			confirm_hint = 1;
			goto confirm;
		}

3173
		BT_DBG("Auto-accept of user confirmation with %ums delay",
3174
		       hdev->auto_accept_delay);
3175 3176 3177 3178 3179 3180 3181

		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;
		}

3182
		hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY,
3183
			     sizeof(ev->bdaddr), &ev->bdaddr);
3184 3185 3186
		goto unlock;
	}

3187
confirm:
3188
	mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0, ev->passkey,
3189
				  confirm_hint);
3190 3191

unlock:
3192 3193 3194
	hci_dev_unlock(hdev);
}

3195 3196
static void hci_user_passkey_request_evt(struct hci_dev *hdev,
					 struct sk_buff *skb)
3197 3198 3199 3200 3201
{
	struct hci_ev_user_passkey_req *ev = (void *) skb->data;

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

3202
	if (test_bit(HCI_MGMT, &hdev->dev_flags))
3203
		mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0);
3204 3205
}

3206 3207 3208 3209 3210 3211 3212 3213 3214 3215 3216 3217 3218 3219 3220 3221 3222 3223 3224 3225 3226 3227 3228 3229 3230 3231 3232 3233 3234 3235 3236 3237 3238 3239 3240 3241 3242 3243 3244 3245 3246 3247 3248 3249 3250 3251 3252 3253 3254 3255 3256 3257 3258 3259 3260 3261 3262 3263 3264
static void hci_user_passkey_notify_evt(struct hci_dev *hdev,
					struct sk_buff *skb)
{
	struct hci_ev_user_passkey_notify *ev = (void *) skb->data;
	struct hci_conn *conn;

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

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

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

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

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

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

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

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

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

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

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

	case HCI_KEYPRESS_COMPLETED:
		return;
	}

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

3265 3266
static void hci_simple_pair_complete_evt(struct hci_dev *hdev,
					 struct sk_buff *skb)
3267 3268 3269 3270 3271 3272 3273 3274 3275
{
	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);
3276 3277 3278 3279 3280 3281 3282 3283
	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 */
3284
	if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && ev->status)
3285
		mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type,
3286
				 ev->status);
3287

3288
	hci_conn_drop(conn);
3289 3290

unlock:
3291 3292 3293
	hci_dev_unlock(hdev);
}

3294 3295
static void hci_remote_host_features_evt(struct hci_dev *hdev,
					 struct sk_buff *skb)
3296 3297 3298
{
	struct hci_ev_remote_host_features *ev = (void *) skb->data;
	struct inquiry_entry *ie;
3299
	struct hci_conn *conn;
3300 3301 3302 3303 3304

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

	hci_dev_lock(hdev);

3305 3306 3307 3308
	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
	if (conn)
		memcpy(conn->features[1], ev->features, 8);

3309 3310
	ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
	if (ie)
3311
		ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
3312 3313 3314 3315

	hci_dev_unlock(hdev);
}

3316 3317
static void hci_remote_oob_data_request_evt(struct hci_dev *hdev,
					    struct sk_buff *skb)
3318 3319 3320 3321 3322 3323 3324 3325
{
	struct hci_ev_remote_oob_data_request *ev = (void *) skb->data;
	struct oob_data *data;

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

	hci_dev_lock(hdev);

3326
	if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3327 3328
		goto unlock;

3329 3330 3331 3332 3333 3334 3335 3336 3337
	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),
3338
			     &cp);
3339 3340 3341 3342 3343
	} 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),
3344
			     &cp);
3345 3346
	}

3347
unlock:
3348 3349 3350
	hci_dev_unlock(hdev);
}

3351 3352 3353 3354 3355 3356 3357 3358 3359 3360 3361 3362 3363 3364 3365 3366 3367 3368 3369 3370 3371 3372 3373 3374 3375 3376 3377 3378 3379 3380
static void hci_phy_link_complete_evt(struct hci_dev *hdev,
				      struct sk_buff *skb)
{
	struct hci_ev_phy_link_complete *ev = (void *) skb->data;
	struct hci_conn *hcon, *bredr_hcon;

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

	hci_dev_lock(hdev);

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

	if (ev->status) {
		hci_conn_del(hcon);
		hci_dev_unlock(hdev);
		return;
	}

	bredr_hcon = hcon->amp_mgr->l2cap_conn->hcon;

	hcon->state = BT_CONNECTED;
	bacpy(&hcon->dst, &bredr_hcon->dst);

	hci_conn_hold(hcon);
	hcon->disc_timeout = HCI_DISCONN_TIMEOUT;
3381
	hci_conn_drop(hcon);
3382 3383 3384

	hci_conn_add_sysfs(hcon);

3385
	amp_physical_cfm(bredr_hcon, hcon);
3386

3387
	hci_dev_unlock(hdev);
3388 3389
}

3390 3391 3392 3393 3394 3395 3396 3397 3398 3399 3400 3401 3402 3403 3404 3405 3406 3407 3408 3409 3410 3411 3412 3413 3414 3415 3416 3417 3418 3419 3420 3421 3422 3423 3424 3425 3426 3427
static void hci_loglink_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
	struct hci_ev_logical_link_complete *ev = (void *) skb->data;
	struct hci_conn *hcon;
	struct hci_chan *hchan;
	struct amp_mgr *mgr;

	BT_DBG("%s log_handle 0x%4.4x phy_handle 0x%2.2x status 0x%2.2x",
	       hdev->name, le16_to_cpu(ev->handle), ev->phy_handle,
	       ev->status);

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

	/* Create AMP hchan */
	hchan = hci_chan_create(hcon);
	if (!hchan)
		return;

	hchan->handle = le16_to_cpu(ev->handle);

	BT_DBG("hcon %p mgr %p hchan %p", hcon, hcon->amp_mgr, hchan);

	mgr = hcon->amp_mgr;
	if (mgr && mgr->bredr_chan) {
		struct l2cap_chan *bredr_chan = mgr->bredr_chan;

		l2cap_chan_lock(bredr_chan);

		bredr_chan->conn->mtu = hdev->block_mtu;
		l2cap_logical_cfm(bredr_chan, hchan, 0);
		hci_conn_hold(hcon);

		l2cap_chan_unlock(bredr_chan);
	}
}

3428 3429 3430 3431 3432 3433 3434 3435 3436 3437 3438 3439 3440 3441 3442 3443 3444 3445 3446 3447 3448 3449 3450 3451
static void hci_disconn_loglink_complete_evt(struct hci_dev *hdev,
					     struct sk_buff *skb)
{
	struct hci_ev_disconn_logical_link_complete *ev = (void *) skb->data;
	struct hci_chan *hchan;

	BT_DBG("%s log handle 0x%4.4x status 0x%2.2x", hdev->name,
	       le16_to_cpu(ev->handle), ev->status);

	if (ev->status)
		return;

	hci_dev_lock(hdev);

	hchan = hci_chan_lookup_handle(hdev, le16_to_cpu(ev->handle));
	if (!hchan)
		goto unlock;

	amp_destroy_logical_link(hchan, ev->reason);

unlock:
	hci_dev_unlock(hdev);
}

3452 3453 3454 3455 3456 3457 3458 3459 3460 3461 3462 3463 3464 3465 3466 3467 3468 3469 3470 3471 3472 3473
static void hci_disconn_phylink_complete_evt(struct hci_dev *hdev,
					     struct sk_buff *skb)
{
	struct hci_ev_disconn_phy_link_complete *ev = (void *) skb->data;
	struct hci_conn *hcon;

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

	if (ev->status)
		return;

	hci_dev_lock(hdev);

	hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
	if (hcon) {
		hcon->state = BT_CLOSED;
		hci_conn_del(hcon);
	}

	hci_dev_unlock(hdev);
}

3474
static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
V
Ville Tervo 已提交
3475 3476 3477 3478
{
	struct hci_ev_le_conn_complete *ev = (void *) skb->data;
	struct hci_conn *conn;

3479
	BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
V
Ville Tervo 已提交
3480 3481 3482

	hci_dev_lock(hdev);

3483
	conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
3484 3485 3486 3487
	if (!conn) {
		conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr);
		if (!conn) {
			BT_ERR("No memory for new connection");
A
Andre Guedes 已提交
3488
			goto unlock;
3489
		}
3490 3491

		conn->dst_type = ev->bdaddr_type;
3492 3493 3494 3495 3496

		if (ev->role == LE_CONN_ROLE_MASTER) {
			conn->out = true;
			conn->link_mode |= HCI_LM_MASTER;
		}
3497
	}
V
Ville Tervo 已提交
3498

3499 3500 3501 3502 3503 3504 3505 3506 3507
	if (ev->status) {
		mgmt_connect_failed(hdev, &conn->dst, conn->type,
				    conn->dst_type, ev->status);
		hci_proto_connect_cfm(conn, ev->status);
		conn->state = BT_CLOSED;
		hci_conn_del(conn);
		goto unlock;
	}

3508 3509
	if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
		mgmt_device_connected(hdev, &ev->bdaddr, conn->type,
3510
				      conn->dst_type, 0, NULL, 0, NULL);
3511

3512
	conn->sec_level = BT_SECURITY_LOW;
V
Ville Tervo 已提交
3513 3514 3515 3516 3517 3518 3519 3520 3521 3522 3523
	conn->handle = __le16_to_cpu(ev->handle);
	conn->state = BT_CONNECTED;

	hci_conn_add_sysfs(conn);

	hci_proto_connect_cfm(conn, ev->status);

unlock:
	hci_dev_unlock(hdev);
}

3524
static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb)
3525
{
3526 3527
	u8 num_reports = skb->data[0];
	void *ptr = &skb->data[1];
A
Andre Guedes 已提交
3528
	s8 rssi;
3529

3530 3531
	while (num_reports--) {
		struct hci_ev_le_advertising_info *ev = ptr;
3532

A
Andre Guedes 已提交
3533 3534
		rssi = ev->data[ev->length];
		mgmt_device_found(hdev, &ev->bdaddr, LE_LINK, ev->bdaddr_type,
3535
				  NULL, rssi, 0, 1, ev->data, ev->length);
A
Andre Guedes 已提交
3536

3537
		ptr += sizeof(*ev) + ev->length + 1;
3538 3539 3540
	}
}

3541
static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
3542 3543 3544
{
	struct hci_ev_le_ltk_req *ev = (void *) skb->data;
	struct hci_cp_le_ltk_reply cp;
3545
	struct hci_cp_le_ltk_neg_reply neg;
3546
	struct hci_conn *conn;
3547
	struct smp_ltk *ltk;
3548

3549
	BT_DBG("%s handle 0x%4.4x", hdev->name, __le16_to_cpu(ev->handle));
3550 3551 3552 3553

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3554 3555
	if (conn == NULL)
		goto not_found;
3556

3557 3558 3559 3560 3561
	ltk = hci_find_ltk(hdev, ev->ediv, ev->random);
	if (ltk == NULL)
		goto not_found;

	memcpy(cp.ltk, ltk->val, sizeof(ltk->val));
3562
	cp.handle = cpu_to_le16(conn->handle);
3563 3564

	if (ltk->authenticated)
3565 3566 3567
		conn->pending_sec_level = BT_SECURITY_HIGH;
	else
		conn->pending_sec_level = BT_SECURITY_MEDIUM;
3568

3569
	conn->enc_key_size = ltk->enc_size;
3570 3571 3572

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

3573 3574 3575 3576 3577
	if (ltk->type & HCI_SMP_STK) {
		list_del(&ltk->list);
		kfree(ltk);
	}

3578
	hci_dev_unlock(hdev);
3579 3580 3581 3582 3583 3584 3585

	return;

not_found:
	neg.handle = ev->handle;
	hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg);
	hci_dev_unlock(hdev);
3586 3587
}

3588
static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
V
Ville Tervo 已提交
3589 3590 3591 3592 3593 3594 3595 3596 3597 3598
{
	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;

3599 3600 3601 3602
	case HCI_EV_LE_ADVERTISING_REPORT:
		hci_le_adv_report_evt(hdev, skb);
		break;

3603 3604 3605 3606
	case HCI_EV_LE_LTK_REQ:
		hci_le_ltk_request_evt(hdev, skb);
		break;

V
Ville Tervo 已提交
3607 3608 3609 3610 3611
	default:
		break;
	}
}

3612 3613 3614 3615 3616 3617 3618 3619 3620 3621 3622 3623 3624 3625 3626 3627
static void hci_chan_selected_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
	struct hci_ev_channel_selected *ev = (void *) skb->data;
	struct hci_conn *hcon;

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

	skb_pull(skb, sizeof(*ev));

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

	amp_read_loc_assoc_final_data(hdev, hcon);
}

3628 3629 3630 3631 3632
void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
{
	struct hci_event_hdr *hdr = (void *) skb->data;
	__u8 event = hdr->evt;

3633 3634 3635 3636 3637 3638 3639 3640 3641 3642 3643 3644
	hci_dev_lock(hdev);

	/* Received events are (currently) only needed when a request is
	 * ongoing so avoid unnecessary memory allocation.
	 */
	if (hdev->req_status == HCI_REQ_PEND) {
		kfree_skb(hdev->recv_evt);
		hdev->recv_evt = skb_clone(skb, GFP_KERNEL);
	}

	hci_dev_unlock(hdev);

3645 3646
	skb_pull(skb, HCI_EVENT_HDR_SIZE);

3647 3648 3649 3650 3651 3652 3653
	if (hdev->sent_cmd && bt_cb(hdev->sent_cmd)->req.event == event) {
		struct hci_command_hdr *hdr = (void *) hdev->sent_cmd->data;
		u16 opcode = __le16_to_cpu(hdr->opcode);

		hci_req_cmd_complete(hdev, opcode, 0);
	}

3654
	switch (event) {
L
Linus Torvalds 已提交
3655 3656 3657 3658 3659 3660 3661 3662
	case HCI_EV_INQUIRY_COMPLETE:
		hci_inquiry_complete_evt(hdev, skb);
		break;

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

3663 3664
	case HCI_EV_CONN_COMPLETE:
		hci_conn_complete_evt(hdev, skb);
3665 3666
		break;

L
Linus Torvalds 已提交
3667 3668 3669 3670 3671 3672 3673 3674 3675 3676 3677 3678
	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;

3679 3680 3681 3682
	case HCI_EV_REMOTE_NAME:
		hci_remote_name_evt(hdev, skb);
		break;

L
Linus Torvalds 已提交
3683 3684 3685 3686
	case HCI_EV_ENCRYPT_CHANGE:
		hci_encrypt_change_evt(hdev, skb);
		break;

3687 3688 3689 3690 3691 3692 3693 3694 3695 3696 3697 3698 3699 3700 3701 3702 3703 3704 3705 3706 3707 3708 3709 3710 3711 3712
	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_CMD_COMPLETE:
		hci_cmd_complete_evt(hdev, skb);
		break;

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

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

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

	case HCI_EV_MODE_CHANGE:
		hci_mode_change_evt(hdev, skb);
L
Linus Torvalds 已提交
3713 3714 3715 3716 3717 3718 3719 3720 3721 3722 3723 3724 3725 3726 3727 3728 3729 3730
		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;

3731 3732 3733 3734
	case HCI_EV_PKT_TYPE_CHANGE:
		hci_pkt_type_change_evt(hdev, skb);
		break;

3735 3736 3737 3738
	case HCI_EV_PSCAN_REP_MODE:
		hci_pscan_rep_mode_evt(hdev, skb);
		break;

3739 3740
	case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
		hci_inquiry_result_with_rssi_evt(hdev, skb);
3741 3742
		break;

3743 3744
	case HCI_EV_REMOTE_EXT_FEATURES:
		hci_remote_ext_features_evt(hdev, skb);
L
Linus Torvalds 已提交
3745 3746
		break;

3747 3748 3749
	case HCI_EV_SYNC_CONN_COMPLETE:
		hci_sync_conn_complete_evt(hdev, skb);
		break;
L
Linus Torvalds 已提交
3750

3751 3752 3753
	case HCI_EV_EXTENDED_INQUIRY_RESULT:
		hci_extended_inquiry_result_evt(hdev, skb);
		break;
L
Linus Torvalds 已提交
3754

3755 3756 3757 3758
	case HCI_EV_KEY_REFRESH_COMPLETE:
		hci_key_refresh_complete_evt(hdev, skb);
		break;

3759 3760 3761 3762
	case HCI_EV_IO_CAPA_REQUEST:
		hci_io_capa_request_evt(hdev, skb);
		break;

3763 3764 3765 3766
	case HCI_EV_IO_CAPA_REPLY:
		hci_io_capa_reply_evt(hdev, skb);
		break;

3767 3768 3769 3770
	case HCI_EV_USER_CONFIRM_REQUEST:
		hci_user_confirm_request_evt(hdev, skb);
		break;

3771 3772 3773 3774
	case HCI_EV_USER_PASSKEY_REQUEST:
		hci_user_passkey_request_evt(hdev, skb);
		break;

3775 3776 3777 3778 3779 3780 3781 3782
	case HCI_EV_USER_PASSKEY_NOTIFY:
		hci_user_passkey_notify_evt(hdev, skb);
		break;

	case HCI_EV_KEYPRESS_NOTIFY:
		hci_keypress_notify_evt(hdev, skb);
		break;

3783 3784 3785 3786
	case HCI_EV_SIMPLE_PAIR_COMPLETE:
		hci_simple_pair_complete_evt(hdev, skb);
		break;

3787 3788 3789 3790
	case HCI_EV_REMOTE_HOST_FEATURES:
		hci_remote_host_features_evt(hdev, skb);
		break;

V
Ville Tervo 已提交
3791 3792 3793 3794
	case HCI_EV_LE_META:
		hci_le_meta_evt(hdev, skb);
		break;

3795 3796 3797 3798
	case HCI_EV_CHANNEL_SELECTED:
		hci_chan_selected_evt(hdev, skb);
		break;

3799 3800 3801 3802
	case HCI_EV_REMOTE_OOB_DATA_REQUEST:
		hci_remote_oob_data_request_evt(hdev, skb);
		break;

3803 3804 3805 3806
	case HCI_EV_PHY_LINK_COMPLETE:
		hci_phy_link_complete_evt(hdev, skb);
		break;

3807 3808 3809 3810
	case HCI_EV_LOGICAL_LINK_COMPLETE:
		hci_loglink_complete_evt(hdev, skb);
		break;

3811 3812 3813 3814
	case HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE:
		hci_disconn_loglink_complete_evt(hdev, skb);
		break;

3815 3816 3817 3818
	case HCI_EV_DISCONN_PHY_LINK_COMPLETE:
		hci_disconn_phylink_complete_evt(hdev, skb);
		break;

3819 3820 3821 3822
	case HCI_EV_NUM_COMP_BLOCKS:
		hci_num_comp_blocks_evt(hdev, skb);
		break;

3823
	default:
3824
		BT_DBG("%s event 0x%2.2x", hdev->name, event);
L
Linus Torvalds 已提交
3825 3826 3827 3828 3829 3830
		break;
	}

	kfree_skb(skb);
	hdev->stat.evt_rx++;
}