hci_event.c 92.1 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. */

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#include <linux/export.h>
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#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) {
		hci_dev_lock(hdev);
		mgmt_stop_discovery_failed(hdev, status);
		hci_dev_unlock(hdev);
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		return;
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	}
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	clear_bit(HCI_INQUIRY, &hdev->flags);

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	hci_dev_lock(hdev);
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	hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
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	hci_dev_unlock(hdev);
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	hci_req_complete(hdev, HCI_OP_INQUIRY_CANCEL, status);
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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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	hci_req_complete(hdev, HCI_OP_WRITE_DEF_LINK_POLICY, status);
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}

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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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	hci_req_complete(hdev, HCI_OP_RESET, status);
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	/* Reset all non-persistent flags */
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	hdev->dev_flags &= ~(BIT(HCI_LE_SCAN) | BIT(HCI_PENDING_CLASS) |
			     BIT(HCI_PERIODIC_INQ));
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	hdev->discovery.state = DISCOVERY_STOPPED;
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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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	hci_req_complete(hdev, HCI_OP_WRITE_LOCAL_NAME, status);
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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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	hci_req_complete(hdev, HCI_OP_WRITE_AUTH_ENABLE, 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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	hci_req_complete(hdev, HCI_OP_WRITE_ENCRYPT_MODE, status);
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}
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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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	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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	hci_req_complete(hdev, HCI_OP_WRITE_SCAN_ENABLE, status);
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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_host_buffer_size(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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	hci_req_complete(hdev, HCI_OP_HOST_BUFFER_SIZE, status);
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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);
	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_SSP_MODE);
	if (!sent)
		return;

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	if (test_bit(HCI_MGMT, &hdev->dev_flags))
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		mgmt_ssp_enable_complete(hdev, *((u8 *) sent), status);
	else if (!status) {
		if (*((u8 *) sent))
			set_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
		else
			clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
	}
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}

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static u8 hci_get_inquiry_mode(struct hci_dev *hdev)
{
	if (hdev->features[6] & LMP_EXT_INQ)
		return 2;

	if (hdev->features[3] & LMP_RSSI_INQ)
		return 1;

	if (hdev->manufacturer == 11 && hdev->hci_rev == 0x00 &&
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	    hdev->lmp_subver == 0x0757)
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		return 1;

	if (hdev->manufacturer == 15) {
		if (hdev->hci_rev == 0x03 && hdev->lmp_subver == 0x6963)
			return 1;
		if (hdev->hci_rev == 0x09 && hdev->lmp_subver == 0x6963)
			return 1;
		if (hdev->hci_rev == 0x00 && hdev->lmp_subver == 0x6965)
			return 1;
	}

	if (hdev->manufacturer == 31 && hdev->hci_rev == 0x2005 &&
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	    hdev->lmp_subver == 0x1805)
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		return 1;

	return 0;
}

static void hci_setup_inquiry_mode(struct hci_dev *hdev)
{
	u8 mode;

	mode = hci_get_inquiry_mode(hdev);

	hci_send_cmd(hdev, HCI_OP_WRITE_INQUIRY_MODE, 1, &mode);
}

static void hci_setup_event_mask(struct hci_dev *hdev)
{
	/* The second byte is 0xff instead of 0x9f (two reserved bits
	 * disabled) since a Broadcom 1.2 dongle doesn't respond to the
	 * command otherwise */
	u8 events[8] = { 0xff, 0xff, 0xfb, 0xff, 0x00, 0x00, 0x00, 0x00 };

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	/* CSR 1.1 dongles does not accept any bitfield so don't try to set
	 * any event mask for pre 1.2 devices */
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	if (hdev->hci_ver < BLUETOOTH_VER_1_2)
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		return;

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	if (lmp_bredr_capable(hdev)) {
		events[4] |= 0x01; /* Flow Specification Complete */
		events[4] |= 0x02; /* Inquiry Result with RSSI */
		events[4] |= 0x04; /* Read Remote Extended Features Complete */
		events[5] |= 0x08; /* Synchronous Connection Complete */
		events[5] |= 0x10; /* Synchronous Connection Changed */
	}
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	if (hdev->features[3] & LMP_RSSI_INQ)
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		events[4] |= 0x02; /* Inquiry Result with RSSI */
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	if (lmp_sniffsubr_capable(hdev))
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		events[5] |= 0x20; /* Sniff Subrating */

	if (hdev->features[5] & LMP_PAUSE_ENC)
		events[5] |= 0x80; /* Encryption Key Refresh Complete */

	if (hdev->features[6] & LMP_EXT_INQ)
		events[5] |= 0x40; /* Extended Inquiry Result */

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	if (lmp_no_flush_capable(hdev))
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		events[7] |= 0x01; /* Enhanced Flush Complete */

	if (hdev->features[7] & LMP_LSTO)
		events[6] |= 0x80; /* Link Supervision Timeout Changed */

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	if (lmp_ssp_capable(hdev)) {
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		events[6] |= 0x01;	/* IO Capability Request */
		events[6] |= 0x02;	/* IO Capability Response */
		events[6] |= 0x04;	/* User Confirmation Request */
		events[6] |= 0x08;	/* User Passkey Request */
		events[6] |= 0x10;	/* Remote OOB Data Request */
		events[6] |= 0x20;	/* Simple Pairing Complete */
		events[7] |= 0x04;	/* User Passkey Notification */
		events[7] |= 0x08;	/* Keypress Notification */
		events[7] |= 0x10;	/* Remote Host Supported
					 * Features Notification */
	}

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	if (lmp_le_capable(hdev))
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		events[7] |= 0x20;	/* LE Meta-Event */

	hci_send_cmd(hdev, HCI_OP_SET_EVENT_MASK, sizeof(events), events);
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	if (lmp_le_capable(hdev)) {
		memset(events, 0, sizeof(events));
		events[0] = 0x1f;
		hci_send_cmd(hdev, HCI_OP_LE_SET_EVENT_MASK,
			     sizeof(events), events);
	}
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}

562
static void bredr_setup(struct hci_dev *hdev)
563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592
{
	struct hci_cp_delete_stored_link_key cp;
	__le16 param;
	__u8 flt_type;

	/* Read Buffer Size (ACL mtu, max pkt, etc.) */
	hci_send_cmd(hdev, HCI_OP_READ_BUFFER_SIZE, 0, NULL);

	/* Read Class of Device */
	hci_send_cmd(hdev, HCI_OP_READ_CLASS_OF_DEV, 0, NULL);

	/* Read Local Name */
	hci_send_cmd(hdev, HCI_OP_READ_LOCAL_NAME, 0, NULL);

	/* Read Voice Setting */
	hci_send_cmd(hdev, HCI_OP_READ_VOICE_SETTING, 0, NULL);

	/* Clear Event Filters */
	flt_type = HCI_FLT_CLEAR_ALL;
	hci_send_cmd(hdev, HCI_OP_SET_EVENT_FLT, 1, &flt_type);

	/* Connection accept timeout ~20 secs */
	param = __constant_cpu_to_le16(0x7d00);
	hci_send_cmd(hdev, HCI_OP_WRITE_CA_TIMEOUT, 2, &param);

	bacpy(&cp.bdaddr, BDADDR_ANY);
	cp.delete_all = 1;
	hci_send_cmd(hdev, HCI_OP_DELETE_STORED_LINK_KEY, sizeof(cp), &cp);
}

593
static void le_setup(struct hci_dev *hdev)
594 595 596
{
	/* Read LE Buffer Size */
	hci_send_cmd(hdev, HCI_OP_LE_READ_BUFFER_SIZE, 0, NULL);
597 598 599

	/* Read LE Advertising Channel TX Power */
	hci_send_cmd(hdev, HCI_OP_LE_READ_ADV_TX_POWER, 0, NULL);
600 601
}

602 603
static void hci_setup(struct hci_dev *hdev)
{
604 605 606
	if (hdev->dev_type != HCI_BREDR)
		return;

607 608 609 610
	/* Read BD Address */
	hci_send_cmd(hdev, HCI_OP_READ_BD_ADDR, 0, NULL);

	if (lmp_bredr_capable(hdev))
611
		bredr_setup(hdev);
612 613

	if (lmp_le_capable(hdev))
614
		le_setup(hdev);
615

616 617
	hci_setup_event_mask(hdev);

618
	if (hdev->hci_ver > BLUETOOTH_VER_1_1)
619 620
		hci_send_cmd(hdev, HCI_OP_READ_LOCAL_COMMANDS, 0, NULL);

621
	if (lmp_ssp_capable(hdev)) {
622 623 624
		if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
			u8 mode = 0x01;
			hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE,
625
				     sizeof(mode), &mode);
626 627 628 629 630 631 632 633
		} else {
			struct hci_cp_write_eir cp;

			memset(hdev->eir, 0, sizeof(hdev->eir));
			memset(&cp, 0, sizeof(cp));

			hci_send_cmd(hdev, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
		}
634 635 636 637 638 639 640
	}

	if (hdev->features[3] & LMP_RSSI_INQ)
		hci_setup_inquiry_mode(hdev);

	if (hdev->features[7] & LMP_INQ_TX_PWR)
		hci_send_cmd(hdev, HCI_OP_READ_INQ_RSP_TX_POWER, 0, NULL);
641 642 643 644 645

	if (hdev->features[7] & LMP_EXTFEATURES) {
		struct hci_cp_read_local_ext_features cp;

		cp.page = 0x01;
646 647
		hci_send_cmd(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES, sizeof(cp),
			     &cp);
648
	}
649

650 651
	if (test_bit(HCI_LINK_SECURITY, &hdev->dev_flags)) {
		u8 enable = 1;
652 653
		hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, sizeof(enable),
			     &enable);
654
	}
655 656
}

657 658 659
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;
660

661
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
662

663
	if (rp->status)
664
		goto done;
665

666
	hdev->hci_ver = rp->hci_ver;
667
	hdev->hci_rev = __le16_to_cpu(rp->hci_rev);
668
	hdev->lmp_ver = rp->lmp_ver;
669
	hdev->manufacturer = __le16_to_cpu(rp->manufacturer);
670
	hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver);
671

672
	BT_DBG("%s manufacturer 0x%4.4x hci ver %d:%d", hdev->name,
673
	       hdev->manufacturer, hdev->hci_ver, hdev->hci_rev);
674 675 676

	if (test_bit(HCI_INIT, &hdev->flags))
		hci_setup(hdev);
677 678 679

done:
	hci_req_complete(hdev, HCI_OP_READ_LOCAL_VERSION, rp->status);
680 681 682 683
}

static void hci_setup_link_policy(struct hci_dev *hdev)
{
684
	struct hci_cp_write_def_link_policy cp;
685 686
	u16 link_policy = 0;

687
	if (lmp_rswitch_capable(hdev))
688 689 690
		link_policy |= HCI_LP_RSWITCH;
	if (hdev->features[0] & LMP_HOLD)
		link_policy |= HCI_LP_HOLD;
691
	if (lmp_sniff_capable(hdev))
692 693 694 695
		link_policy |= HCI_LP_SNIFF;
	if (hdev->features[1] & LMP_PARK)
		link_policy |= HCI_LP_PARK;

696 697
	cp.policy = cpu_to_le16(link_policy);
	hci_send_cmd(hdev, HCI_OP_WRITE_DEF_LINK_POLICY, sizeof(cp), &cp);
698
}
L
Linus Torvalds 已提交
699

700 701
static void hci_cc_read_local_commands(struct hci_dev *hdev,
				       struct sk_buff *skb)
702 703
{
	struct hci_rp_read_local_commands *rp = (void *) skb->data;
L
Linus Torvalds 已提交
704

705
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
L
Linus Torvalds 已提交
706

707
	if (rp->status)
708
		goto done;
L
Linus Torvalds 已提交
709

710
	memcpy(hdev->commands, rp->commands, sizeof(hdev->commands));
711 712 713 714 715 716

	if (test_bit(HCI_INIT, &hdev->flags) && (hdev->commands[5] & 0x10))
		hci_setup_link_policy(hdev);

done:
	hci_req_complete(hdev, HCI_OP_READ_LOCAL_COMMANDS, rp->status);
717
}
L
Linus Torvalds 已提交
718

719 720
static void hci_cc_read_local_features(struct hci_dev *hdev,
				       struct sk_buff *skb)
721 722
{
	struct hci_rp_read_local_features *rp = (void *) skb->data;
723

724
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
L
Linus Torvalds 已提交
725

726 727
	if (rp->status)
		return;
728

729
	memcpy(hdev->features, rp->features, 8);
730

731 732
	/* Adjust default settings according to features
	 * supported by device. */
L
Linus Torvalds 已提交
733

734 735
	if (hdev->features[0] & LMP_3SLOT)
		hdev->pkt_type |= (HCI_DM3 | HCI_DH3);
L
Linus Torvalds 已提交
736

737 738
	if (hdev->features[0] & LMP_5SLOT)
		hdev->pkt_type |= (HCI_DM5 | HCI_DH5);
L
Linus Torvalds 已提交
739

740 741 742 743
	if (hdev->features[1] & LMP_HV2) {
		hdev->pkt_type  |= (HCI_HV2);
		hdev->esco_type |= (ESCO_HV2);
	}
L
Linus Torvalds 已提交
744

745 746 747 748
	if (hdev->features[1] & LMP_HV3) {
		hdev->pkt_type  |= (HCI_HV3);
		hdev->esco_type |= (ESCO_HV3);
	}
L
Linus Torvalds 已提交
749

750
	if (lmp_esco_capable(hdev))
751
		hdev->esco_type |= (ESCO_EV3);
752

753 754
	if (hdev->features[4] & LMP_EV4)
		hdev->esco_type |= (ESCO_EV4);
755

756 757
	if (hdev->features[4] & LMP_EV5)
		hdev->esco_type |= (ESCO_EV5);
L
Linus Torvalds 已提交
758

759 760 761 762 763 764 765 766 767
	if (hdev->features[5] & LMP_EDR_ESCO_2M)
		hdev->esco_type |= (ESCO_2EV3);

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

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

768
	BT_DBG("%s features 0x%.2x%.2x%.2x%.2x%.2x%.2x%.2x%.2x", hdev->name,
769 770 771 772
	       hdev->features[0], hdev->features[1],
	       hdev->features[2], hdev->features[3],
	       hdev->features[4], hdev->features[5],
	       hdev->features[6], hdev->features[7]);
773
}
L
Linus Torvalds 已提交
774

775 776 777 778 779 780
static void hci_set_le_support(struct hci_dev *hdev)
{
	struct hci_cp_write_le_host_supported cp;

	memset(&cp, 0, sizeof(cp));

781
	if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
782 783 784 785 786
		cp.le = 1;
		cp.simul = !!(hdev->features[6] & LMP_SIMUL_LE_BR);
	}

	if (cp.le != !!(hdev->host_features[0] & LMP_HOST_LE))
787 788
		hci_send_cmd(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(cp),
			     &cp);
789 790
}

791
static void hci_cc_read_local_ext_features(struct hci_dev *hdev,
792
					   struct sk_buff *skb)
793 794 795
{
	struct hci_rp_read_local_ext_features *rp = (void *) skb->data;

796
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
797 798

	if (rp->status)
799
		goto done;
800

801 802 803 804 805 806 807 808
	switch (rp->page) {
	case 0:
		memcpy(hdev->features, rp->features, 8);
		break;
	case 1:
		memcpy(hdev->host_features, rp->features, 8);
		break;
	}
809

810
	if (test_bit(HCI_INIT, &hdev->flags) && lmp_le_capable(hdev))
811 812 813
		hci_set_le_support(hdev);

done:
814 815 816
	hci_req_complete(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES, rp->status);
}

817
static void hci_cc_read_flow_control_mode(struct hci_dev *hdev,
818
					  struct sk_buff *skb)
819 820 821
{
	struct hci_rp_read_flow_control_mode *rp = (void *) skb->data;

822
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
823 824 825 826 827 828 829 830 831

	if (rp->status)
		return;

	hdev->flow_ctl_mode = rp->mode;

	hci_req_complete(hdev, HCI_OP_READ_FLOW_CONTROL_MODE, rp->status);
}

832 833 834
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
835

836
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
L
Linus Torvalds 已提交
837

838 839
	if (rp->status)
		return;
L
Linus Torvalds 已提交
840

841 842 843 844 845 846 847 848
	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
849
	}
850 851 852 853

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

854 855
	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);
856 857 858 859 860 861
}

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;

862
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
863 864 865 866

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

867 868 869
	hci_req_complete(hdev, HCI_OP_READ_BD_ADDR, rp->status);
}

870
static void hci_cc_read_data_block_size(struct hci_dev *hdev,
871
					struct sk_buff *skb)
872 873 874
{
	struct hci_rp_read_data_block_size *rp = (void *) skb->data;

875
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
876 877 878 879 880 881 882 883 884 885 886

	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,
887
	       hdev->block_cnt, hdev->block_len);
888 889 890 891

	hci_req_complete(hdev, HCI_OP_READ_DATA_BLOCK_SIZE, rp->status);
}

892 893 894 895
static void hci_cc_write_ca_timeout(struct hci_dev *hdev, struct sk_buff *skb)
{
	__u8 status = *((__u8 *) skb->data);

896
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
897 898

	hci_req_complete(hdev, HCI_OP_WRITE_CA_TIMEOUT, status);
899 900
}

901
static void hci_cc_read_local_amp_info(struct hci_dev *hdev,
902
				       struct sk_buff *skb)
903 904 905
{
	struct hci_rp_read_local_amp_info *rp = (void *) skb->data;

906
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
907 908

	if (rp->status)
909
		goto a2mp_rsp;
910 911 912 913 914 915 916 917 918 919 920 921 922

	hdev->amp_status = rp->amp_status;
	hdev->amp_total_bw = __le32_to_cpu(rp->total_bw);
	hdev->amp_max_bw = __le32_to_cpu(rp->max_bw);
	hdev->amp_min_latency = __le32_to_cpu(rp->min_latency);
	hdev->amp_max_pdu = __le32_to_cpu(rp->max_pdu);
	hdev->amp_type = rp->amp_type;
	hdev->amp_pal_cap = __le16_to_cpu(rp->pal_cap);
	hdev->amp_assoc_size = __le16_to_cpu(rp->max_assoc_size);
	hdev->amp_be_flush_to = __le32_to_cpu(rp->be_flush_to);
	hdev->amp_max_flush_to = __le32_to_cpu(rp->max_flush_to);

	hci_req_complete(hdev, HCI_OP_READ_LOCAL_AMP_INFO, rp->status);
923 924 925

a2mp_rsp:
	a2mp_send_getinfo_rsp(hdev);
926 927
}

928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943
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) {
944
		BT_DBG("frag_len %zu rem_len %zu", frag_len, rem_len);
945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961

		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);
962
	a2mp_send_create_phy_link_req(hdev, rp->status);
963 964
}

965
static void hci_cc_delete_stored_link_key(struct hci_dev *hdev,
966
					  struct sk_buff *skb)
967 968 969
{
	__u8 status = *((__u8 *) skb->data);

970
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
971 972 973 974

	hci_req_complete(hdev, HCI_OP_DELETE_STORED_LINK_KEY, status);
}

975 976 977 978
static void hci_cc_set_event_mask(struct hci_dev *hdev, struct sk_buff *skb)
{
	__u8 status = *((__u8 *) skb->data);

979
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
980 981 982 983 984

	hci_req_complete(hdev, HCI_OP_SET_EVENT_MASK, status);
}

static void hci_cc_write_inquiry_mode(struct hci_dev *hdev,
985
				      struct sk_buff *skb)
986 987 988
{
	__u8 status = *((__u8 *) skb->data);

989
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
990 991 992 993 994

	hci_req_complete(hdev, HCI_OP_WRITE_INQUIRY_MODE, status);
}

static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev,
995
					 struct sk_buff *skb)
996
{
997
	struct hci_rp_read_inq_rsp_tx_power *rp = (void *) skb->data;
998

999
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1000 1001 1002

	if (!rp->status)
		hdev->inq_tx_power = rp->tx_power;
1003

1004
	hci_req_complete(hdev, HCI_OP_READ_INQ_RSP_TX_POWER, rp->status);
1005 1006 1007 1008 1009 1010
}

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

1011
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
1012 1013 1014 1015

	hci_req_complete(hdev, HCI_OP_SET_EVENT_FLT, status);
}

1016 1017 1018 1019 1020 1021
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;

1022
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1023

1024 1025
	hci_dev_lock(hdev);

1026
	if (test_bit(HCI_MGMT, &hdev->dev_flags))
1027
		mgmt_pin_code_reply_complete(hdev, &rp->bdaddr, rp->status);
1028

1029
	if (rp->status)
1030
		goto unlock;
1031 1032 1033

	cp = hci_sent_cmd_data(hdev, HCI_OP_PIN_CODE_REPLY);
	if (!cp)
1034
		goto unlock;
1035 1036 1037 1038

	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
	if (conn)
		conn->pin_length = cp->pin_len;
1039 1040 1041

unlock:
	hci_dev_unlock(hdev);
1042 1043 1044 1045 1046 1047
}

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;

1048
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1049

1050 1051
	hci_dev_lock(hdev);

1052
	if (test_bit(HCI_MGMT, &hdev->dev_flags))
1053
		mgmt_pin_code_neg_reply_complete(hdev, &rp->bdaddr,
1054
						 rp->status);
1055 1056

	hci_dev_unlock(hdev);
1057
}
1058

1059 1060 1061 1062 1063
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;

1064
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077

	if (rp->status)
		return;

	hdev->le_mtu = __le16_to_cpu(rp->le_mtu);
	hdev->le_pkts = rp->le_max_pkt;

	hdev->le_cnt = hdev->le_pkts;

	BT_DBG("%s le mtu %d:%d", hdev->name, hdev->le_mtu, hdev->le_pkts);

	hci_req_complete(hdev, HCI_OP_LE_READ_BUFFER_SIZE, rp->status);
}
1078

1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091
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);

	if (!rp->status)
		hdev->adv_tx_power = rp->tx_power;

	hci_req_complete(hdev, HCI_OP_LE_READ_ADV_TX_POWER, rp->status);
}

1092 1093 1094 1095 1096 1097 1098 1099 1100
static void hci_cc_le_set_event_mask(struct hci_dev *hdev, struct sk_buff *skb)
{
	__u8 status = *((__u8 *) skb->data);

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

	hci_req_complete(hdev, HCI_OP_LE_SET_EVENT_MASK, status);
}

1101 1102 1103 1104
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;

1105
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1106

1107 1108
	hci_dev_lock(hdev);

1109
	if (test_bit(HCI_MGMT, &hdev->dev_flags))
1110 1111
		mgmt_user_confirm_reply_complete(hdev, &rp->bdaddr, ACL_LINK, 0,
						 rp->status);
1112 1113

	hci_dev_unlock(hdev);
1114 1115 1116
}

static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev,
1117
					  struct sk_buff *skb)
1118 1119 1120
{
	struct hci_rp_user_confirm_reply *rp = (void *) skb->data;

1121
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1122

1123 1124
	hci_dev_lock(hdev);

1125
	if (test_bit(HCI_MGMT, &hdev->dev_flags))
1126
		mgmt_user_confirm_neg_reply_complete(hdev, &rp->bdaddr,
1127
						     ACL_LINK, 0, rp->status);
1128 1129

	hci_dev_unlock(hdev);
1130 1131
}

1132 1133 1134 1135
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;

1136
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1137 1138 1139

	hci_dev_lock(hdev);

1140
	if (test_bit(HCI_MGMT, &hdev->dev_flags))
1141
		mgmt_user_passkey_reply_complete(hdev, &rp->bdaddr, ACL_LINK,
1142
						 0, rp->status);
1143 1144 1145 1146 1147

	hci_dev_unlock(hdev);
}

static void hci_cc_user_passkey_neg_reply(struct hci_dev *hdev,
1148
					  struct sk_buff *skb)
1149 1150 1151
{
	struct hci_rp_user_confirm_reply *rp = (void *) skb->data;

1152
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1153 1154 1155

	hci_dev_lock(hdev);

1156
	if (test_bit(HCI_MGMT, &hdev->dev_flags))
1157
		mgmt_user_passkey_neg_reply_complete(hdev, &rp->bdaddr,
1158
						     ACL_LINK, 0, rp->status);
1159 1160 1161 1162

	hci_dev_unlock(hdev);
}

1163
static void hci_cc_read_local_oob_data_reply(struct hci_dev *hdev,
1164
					     struct sk_buff *skb)
1165 1166 1167
{
	struct hci_rp_read_local_oob_data *rp = (void *) skb->data;

1168
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1169

1170
	hci_dev_lock(hdev);
1171
	mgmt_read_local_oob_data_reply_complete(hdev, rp->hash,
1172
						rp->randomizer, rp->status);
1173
	hci_dev_unlock(hdev);
1174 1175
}

1176 1177 1178 1179
static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb)
{
	__u8 status = *((__u8 *) skb->data);

1180
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
A
Andre Guedes 已提交
1181 1182

	hci_req_complete(hdev, HCI_OP_LE_SET_SCAN_PARAM, status);
1183 1184 1185 1186 1187 1188 1189

	if (status) {
		hci_dev_lock(hdev);
		mgmt_start_discovery_failed(hdev, status);
		hci_dev_unlock(hdev);
		return;
	}
1190 1191
}

1192
static void hci_cc_le_set_scan_enable(struct hci_dev *hdev,
1193
				      struct sk_buff *skb)
1194 1195 1196 1197
{
	struct hci_cp_le_set_scan_enable *cp;
	__u8 status = *((__u8 *) skb->data);

1198
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
1199 1200 1201 1202 1203

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

1204 1205
	switch (cp->enable) {
	case LE_SCANNING_ENABLED:
A
Andre Guedes 已提交
1206 1207
		hci_req_complete(hdev, HCI_OP_LE_SET_SCAN_ENABLE, status);

1208 1209 1210 1211
		if (status) {
			hci_dev_lock(hdev);
			mgmt_start_discovery_failed(hdev, status);
			hci_dev_unlock(hdev);
A
Andre Guedes 已提交
1212
			return;
1213
		}
A
Andre Guedes 已提交
1214

1215 1216
		set_bit(HCI_LE_SCAN, &hdev->dev_flags);

1217
		hci_dev_lock(hdev);
1218
		hci_discovery_set_state(hdev, DISCOVERY_FINDING);
1219
		hci_dev_unlock(hdev);
1220 1221 1222
		break;

	case LE_SCANNING_DISABLED:
1223 1224 1225 1226
		if (status) {
			hci_dev_lock(hdev);
			mgmt_stop_discovery_failed(hdev, status);
			hci_dev_unlock(hdev);
A
Andre Guedes 已提交
1227
			return;
1228
		}
A
Andre Guedes 已提交
1229

1230 1231
		clear_bit(HCI_LE_SCAN, &hdev->dev_flags);

1232 1233
		if (hdev->discovery.type == DISCOV_TYPE_INTERLEAVED &&
		    hdev->discovery.state == DISCOVERY_FINDING) {
1234 1235 1236 1237 1238 1239 1240
			mgmt_interleaved_discovery(hdev);
		} else {
			hci_dev_lock(hdev);
			hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
			hci_dev_unlock(hdev);
		}

1241 1242 1243 1244 1245
		break;

	default:
		BT_ERR("Used reserved LE_Scan_Enable param %d", cp->enable);
		break;
1246
	}
1247 1248
}

1249 1250 1251 1252
static void hci_cc_le_ltk_reply(struct hci_dev *hdev, struct sk_buff *skb)
{
	struct hci_rp_le_ltk_reply *rp = (void *) skb->data;

1253
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264

	if (rp->status)
		return;

	hci_req_complete(hdev, HCI_OP_LE_LTK_REPLY, rp->status);
}

static void hci_cc_le_ltk_neg_reply(struct hci_dev *hdev, struct sk_buff *skb)
{
	struct hci_rp_le_ltk_neg_reply *rp = (void *) skb->data;

1265
	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1266 1267 1268 1269 1270 1271 1272

	if (rp->status)
		return;

	hci_req_complete(hdev, HCI_OP_LE_LTK_NEG_REPLY, rp->status);
}

1273 1274
static void hci_cc_write_le_host_supported(struct hci_dev *hdev,
					   struct sk_buff *skb)
1275
{
1276
	struct hci_cp_write_le_host_supported *sent;
1277 1278
	__u8 status = *((__u8 *) skb->data);

1279
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
1280

1281
	sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED);
1282
	if (!sent)
1283 1284
		return;

1285 1286 1287 1288 1289 1290 1291 1292
	if (!status) {
		if (sent->le)
			hdev->host_features[0] |= LMP_HOST_LE;
		else
			hdev->host_features[0] &= ~LMP_HOST_LE;
	}

	if (test_bit(HCI_MGMT, &hdev->dev_flags) &&
1293
	    !test_bit(HCI_INIT, &hdev->flags))
1294 1295 1296
		mgmt_le_enable_complete(hdev, sent->le, status);

	hci_req_complete(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED, status);
1297 1298
}

1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312
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);
}

1313
static void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
1314
{
1315
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
1316 1317

	if (status) {
1318
		hci_req_complete(hdev, HCI_OP_INQUIRY, status);
1319
		hci_conn_check_pending(hdev);
1320
		hci_dev_lock(hdev);
1321
		if (test_bit(HCI_MGMT, &hdev->dev_flags))
1322
			mgmt_start_discovery_failed(hdev, status);
1323
		hci_dev_unlock(hdev);
1324 1325 1326
		return;
	}

1327 1328
	set_bit(HCI_INQUIRY, &hdev->flags);

1329
	hci_dev_lock(hdev);
1330
	hci_discovery_set_state(hdev, DISCOVERY_FINDING);
1331
	hci_dev_unlock(hdev);
L
Linus Torvalds 已提交
1332 1333
}

1334
static void hci_cs_create_conn(struct hci_dev *hdev, __u8 status)
L
Linus Torvalds 已提交
1335
{
1336
	struct hci_cp_create_conn *cp;
L
Linus Torvalds 已提交
1337 1338
	struct hci_conn *conn;

1339
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
1340 1341

	cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN);
L
Linus Torvalds 已提交
1342 1343 1344 1345 1346 1347 1348
	if (!cp)
		return;

	hci_dev_lock(hdev);

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

1349
	BT_DBG("%s bdaddr %pMR hcon %p", hdev->name, &cp->bdaddr, conn);
L
Linus Torvalds 已提交
1350 1351 1352

	if (status) {
		if (conn && conn->state == BT_CONNECT) {
1353 1354 1355 1356 1357 1358
			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
1359 1360 1361 1362 1363
		}
	} else {
		if (!conn) {
			conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr);
			if (conn) {
1364
				conn->out = true;
L
Linus Torvalds 已提交
1365 1366
				conn->link_mode |= HCI_LM_MASTER;
			} else
1367
				BT_ERR("No memory for new connection");
L
Linus Torvalds 已提交
1368 1369 1370 1371 1372 1373
		}
	}

	hci_dev_unlock(hdev);
}

1374
static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status)
L
Linus Torvalds 已提交
1375
{
1376 1377 1378
	struct hci_cp_add_sco *cp;
	struct hci_conn *acl, *sco;
	__u16 handle;
L
Linus Torvalds 已提交
1379

1380
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
1381

1382 1383
	if (!status)
		return;
L
Linus Torvalds 已提交
1384

1385 1386 1387
	cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO);
	if (!cp)
		return;
L
Linus Torvalds 已提交
1388

1389
	handle = __le16_to_cpu(cp->handle);
L
Linus Torvalds 已提交
1390

1391
	BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
L
Linus Torvalds 已提交
1392

1393
	hci_dev_lock(hdev);
L
Linus Torvalds 已提交
1394

1395
	acl = hci_conn_hash_lookup_handle(hdev, handle);
1396 1397 1398 1399
	if (acl) {
		sco = acl->link;
		if (sco) {
			sco->state = BT_CLOSED;
L
Linus Torvalds 已提交
1400

1401 1402 1403
			hci_proto_connect_cfm(sco, status);
			hci_conn_del(sco);
		}
1404
	}
L
Linus Torvalds 已提交
1405

1406 1407
	hci_dev_unlock(hdev);
}
L
Linus Torvalds 已提交
1408

1409 1410 1411 1412 1413
static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status)
{
	struct hci_cp_auth_requested *cp;
	struct hci_conn *conn;

1414
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440

	if (!status)
		return;

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

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
	if (conn) {
		if (conn->state == BT_CONFIG) {
			hci_proto_connect_cfm(conn, status);
			hci_conn_put(conn);
		}
	}

	hci_dev_unlock(hdev);
}

static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status)
{
	struct hci_cp_set_conn_encrypt *cp;
	struct hci_conn *conn;

1441
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462

	if (!status)
		return;

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

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
	if (conn) {
		if (conn->state == BT_CONFIG) {
			hci_proto_connect_cfm(conn, status);
			hci_conn_put(conn);
		}
	}

	hci_dev_unlock(hdev);
}

1463
static int hci_outgoing_auth_needed(struct hci_dev *hdev,
1464
				    struct hci_conn *conn)
1465 1466 1467 1468
{
	if (conn->state != BT_CONFIG || !conn->out)
		return 0;

1469
	if (conn->pending_sec_level == BT_SECURITY_SDP)
1470 1471 1472
		return 0;

	/* Only request authentication for SSP connections or non-SSP
1473
	 * devices with sec_level HIGH or if MITM protection is requested */
1474 1475
	if (!hci_conn_ssp_enabled(conn) && !(conn->auth_type & 0x01) &&
	    conn->pending_sec_level != BT_SECURITY_HIGH)
1476 1477 1478 1479 1480
		return 0;

	return 1;
}

1481
static int hci_resolve_name(struct hci_dev *hdev,
1482
				   struct inquiry_entry *e)
1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495
{
	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);
}

1496
static bool hci_resolve_next_name(struct hci_dev *hdev)
1497 1498 1499 1500
{
	struct discovery_state *discov = &hdev->discovery;
	struct inquiry_entry *e;

1501 1502 1503 1504
	if (list_empty(&discov->resolve))
		return false;

	e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
1505 1506 1507
	if (!e)
		return false;

1508 1509 1510 1511 1512 1513 1514 1515 1516
	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,
1517
				   bdaddr_t *bdaddr, u8 *name, u8 name_len)
1518 1519 1520 1521 1522
{
	struct discovery_state *discov = &hdev->discovery;
	struct inquiry_entry *e;

	if (conn && !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
1523 1524
		mgmt_device_connected(hdev, bdaddr, ACL_LINK, 0x00, 0, name,
				      name_len, conn->dev_class);
1525 1526 1527 1528

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

1529 1530 1531 1532 1533 1534 1535
	if (discov->state == DISCOVERY_STOPPING)
		goto discov_complete;

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

	e = hci_inquiry_cache_lookup_resolve(hdev, bdaddr, NAME_PENDING);
1536 1537 1538 1539 1540 1541 1542 1543 1544
	/* 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) {
1545
		e->name_state = NAME_KNOWN;
1546 1547
		mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00,
				 e->data.rssi, name, name_len);
1548 1549
	} else {
		e->name_state = NAME_NOT_KNOWN;
1550 1551
	}

1552
	if (hci_resolve_next_name(hdev))
1553 1554 1555 1556 1557 1558
		return;

discov_complete:
	hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
}

1559 1560
static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status)
{
1561 1562 1563
	struct hci_cp_remote_name_req *cp;
	struct hci_conn *conn;

1564
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576

	/* 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);

1577 1578
	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);

1579
	if (test_bit(HCI_MGMT, &hdev->dev_flags))
1580
		hci_check_pending_name(hdev, conn, &cp->bdaddr, NULL, 0);
1581

1582 1583 1584 1585 1586 1587
	if (!conn)
		goto unlock;

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

1588
	if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
1589 1590 1591 1592 1593
		struct hci_cp_auth_requested cp;
		cp.handle = __cpu_to_le16(conn->handle);
		hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
	}

1594
unlock:
1595
	hci_dev_unlock(hdev);
1596
}
L
Linus Torvalds 已提交
1597

1598 1599 1600 1601 1602
static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status)
{
	struct hci_cp_read_remote_features *cp;
	struct hci_conn *conn;

1603
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629

	if (!status)
		return;

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

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
	if (conn) {
		if (conn->state == BT_CONFIG) {
			hci_proto_connect_cfm(conn, status);
			hci_conn_put(conn);
		}
	}

	hci_dev_unlock(hdev);
}

static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status)
{
	struct hci_cp_read_remote_ext_features *cp;
	struct hci_conn *conn;

1630
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651

	if (!status)
		return;

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

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
	if (conn) {
		if (conn->state == BT_CONFIG) {
			hci_proto_connect_cfm(conn, status);
			hci_conn_put(conn);
		}
	}

	hci_dev_unlock(hdev);
}

1652 1653
static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status)
{
1654 1655 1656 1657
	struct hci_cp_setup_sync_conn *cp;
	struct hci_conn *acl, *sco;
	__u16 handle;

1658
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
1659 1660 1661 1662 1663 1664 1665 1666 1667 1668

	if (!status)
		return;

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

	handle = __le16_to_cpu(cp->handle);

1669
	BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
1670 1671 1672 1673

	hci_dev_lock(hdev);

	acl = hci_conn_hash_lookup_handle(hdev, handle);
1674 1675 1676 1677
	if (acl) {
		sco = acl->link;
		if (sco) {
			sco->state = BT_CLOSED;
1678

1679 1680 1681
			hci_proto_connect_cfm(sco, status);
			hci_conn_del(sco);
		}
1682 1683 1684
	}

	hci_dev_unlock(hdev);
L
Linus Torvalds 已提交
1685 1686
}

1687
static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status)
L
Linus Torvalds 已提交
1688
{
1689 1690
	struct hci_cp_sniff_mode *cp;
	struct hci_conn *conn;
L
Linus Torvalds 已提交
1691

1692
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
1693

1694 1695
	if (!status)
		return;
1696

1697 1698 1699
	cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE);
	if (!cp)
		return;
1700

1701
	hci_dev_lock(hdev);
1702

1703
	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1704
	if (conn) {
1705
		clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
1706

1707
		if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
1708 1709 1710
			hci_sco_setup(conn, status);
	}

1711 1712
	hci_dev_unlock(hdev);
}
1713

1714 1715 1716 1717
static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status)
{
	struct hci_cp_exit_sniff_mode *cp;
	struct hci_conn *conn;
1718

1719
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
1720

1721 1722
	if (!status)
		return;
1723

1724 1725 1726
	cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE);
	if (!cp)
		return;
1727

1728
	hci_dev_lock(hdev);
L
Linus Torvalds 已提交
1729

1730
	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1731
	if (conn) {
1732
		clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
L
Linus Torvalds 已提交
1733

1734
		if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
1735 1736 1737
			hci_sco_setup(conn, status);
	}

1738
	hci_dev_unlock(hdev);
L
Linus Torvalds 已提交
1739 1740
}

1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757
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,
1758
				       conn->dst_type, status);
1759 1760 1761 1762

	hci_dev_unlock(hdev);
}

V
Ville Tervo 已提交
1763 1764 1765 1766
static void hci_cs_le_create_conn(struct hci_dev *hdev, __u8 status)
{
	struct hci_conn *conn;

1767
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
V
Ville Tervo 已提交
1768

1769 1770
	if (status) {
		hci_dev_lock(hdev);
V
Ville Tervo 已提交
1771

1772
		conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
1773 1774 1775 1776
		if (!conn) {
			hci_dev_unlock(hdev);
			return;
		}
V
Ville Tervo 已提交
1777

1778
		BT_DBG("%s bdaddr %pMR conn %p", hdev->name, &conn->dst, conn);
V
Ville Tervo 已提交
1779

1780
		conn->state = BT_CLOSED;
1781
		mgmt_connect_failed(hdev, &conn->dst, conn->type,
1782 1783 1784
				    conn->dst_type, status);
		hci_proto_connect_cfm(conn, status);
		hci_conn_del(conn);
V
Ville Tervo 已提交
1785

1786 1787
		hci_dev_unlock(hdev);
	}
V
Ville Tervo 已提交
1788 1789
}

1790 1791
static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status)
{
1792
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
1793 1794
}

1795 1796
static void hci_cs_create_phylink(struct hci_dev *hdev, u8 status)
{
1797 1798
	struct hci_cp_create_phy_link *cp;

1799
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
1800 1801 1802 1803 1804 1805 1806 1807 1808

	if (status)
		return;

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

	amp_write_remote_assoc(hdev, cp->phy_handle);
1809 1810
}

1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826
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);
}

1827
static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
L
Linus Torvalds 已提交
1828 1829
{
	__u8 status = *((__u8 *) skb->data);
1830 1831
	struct discovery_state *discov = &hdev->discovery;
	struct inquiry_entry *e;
L
Linus Torvalds 已提交
1832

1833
	BT_DBG("%s status 0x%2.2x", hdev->name, status);
L
Linus Torvalds 已提交
1834

1835
	hci_req_complete(hdev, HCI_OP_INQUIRY, status);
1836

1837
	hci_conn_check_pending(hdev);
1838 1839 1840 1841

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

1842
	if (!test_bit(HCI_MGMT, &hdev->dev_flags))
1843 1844
		return;

1845
	hci_dev_lock(hdev);
1846

1847
	if (discov->state != DISCOVERY_FINDING)
1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863
		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:
1864
	hci_dev_unlock(hdev);
L
Linus Torvalds 已提交
1865 1866
}

1867
static void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
L
Linus Torvalds 已提交
1868
{
1869
	struct inquiry_data data;
1870
	struct inquiry_info *info = (void *) (skb->data + 1);
L
Linus Torvalds 已提交
1871 1872 1873 1874
	int num_rsp = *((__u8 *) skb->data);

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

1875 1876 1877
	if (!num_rsp)
		return;

1878 1879 1880
	if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
		return;

L
Linus Torvalds 已提交
1881
	hci_dev_lock(hdev);
1882

1883
	for (; num_rsp; num_rsp--, info++) {
1884
		bool name_known, ssp;
1885

L
Linus Torvalds 已提交
1886 1887 1888 1889 1890 1891 1892
		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;
1893
		data.ssp_mode		= 0x00;
1894

1895
		name_known = hci_inquiry_cache_update(hdev, &data, false, &ssp);
1896
		mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
1897 1898
				  info->dev_class, 0, !name_known, ssp, NULL,
				  0);
L
Linus Torvalds 已提交
1899
	}
1900

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

1904
static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
L
Linus Torvalds 已提交
1905
{
1906 1907
	struct hci_ev_conn_complete *ev = (void *) skb->data;
	struct hci_conn *conn;
L
Linus Torvalds 已提交
1908 1909 1910 1911 1912 1913

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

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
1914 1915 1916 1917 1918 1919 1920 1921 1922 1923
	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
1924 1925 1926

	if (!ev->status) {
		conn->handle = __le16_to_cpu(ev->handle);
1927 1928 1929 1930

		if (conn->type == ACL_LINK) {
			conn->state = BT_CONFIG;
			hci_conn_hold(conn);
1931 1932 1933 1934 1935 1936

			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;
1937 1938
		} else
			conn->state = BT_CONNECTED;
L
Linus Torvalds 已提交
1939

1940
		hci_conn_hold_device(conn);
1941 1942
		hci_conn_add_sysfs(conn);

L
Linus Torvalds 已提交
1943 1944 1945 1946 1947 1948
		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;

1949 1950 1951 1952
		/* Get remote features */
		if (conn->type == ACL_LINK) {
			struct hci_cp_read_remote_features cp;
			cp.handle = ev->handle;
1953
			hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES,
1954
				     sizeof(cp), &cp);
1955 1956
		}

L
Linus Torvalds 已提交
1957
		/* Set packet type for incoming connection */
1958
		if (!conn->out && hdev->hci_ver < BLUETOOTH_VER_2_0) {
L
Linus Torvalds 已提交
1959 1960
			struct hci_cp_change_conn_ptype cp;
			cp.handle = ev->handle;
1961
			cp.pkt_type = cpu_to_le16(conn->pkt_type);
1962 1963
			hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp),
				     &cp);
L
Linus Torvalds 已提交
1964
		}
1965
	} else {
L
Linus Torvalds 已提交
1966
		conn->state = BT_CLOSED;
1967
		if (conn->type == ACL_LINK)
1968
			mgmt_connect_failed(hdev, &ev->bdaddr, conn->type,
1969
					    conn->dst_type, ev->status);
1970
	}
L
Linus Torvalds 已提交
1971

1972 1973
	if (conn->type == ACL_LINK)
		hci_sco_setup(conn, ev->status);
L
Linus Torvalds 已提交
1974

1975 1976
	if (ev->status) {
		hci_proto_connect_cfm(conn, ev->status);
L
Linus Torvalds 已提交
1977
		hci_conn_del(conn);
1978 1979
	} else if (ev->link_type != ACL_LINK)
		hci_proto_connect_cfm(conn, ev->status);
L
Linus Torvalds 已提交
1980

1981
unlock:
L
Linus Torvalds 已提交
1982 1983
	hci_dev_unlock(hdev);

1984
	hci_conn_check_pending(hdev);
L
Linus Torvalds 已提交
1985 1986
}

1987
static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
L
Linus Torvalds 已提交
1988
{
1989 1990
	struct hci_ev_conn_request *ev = (void *) skb->data;
	int mask = hdev->link_mode;
L
Linus Torvalds 已提交
1991

1992
	BT_DBG("%s bdaddr %pMR type 0x%x", hdev->name, &ev->bdaddr,
1993
	       ev->link_type);
L
Linus Torvalds 已提交
1994

1995
	mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type);
L
Linus Torvalds 已提交
1996

1997
	if ((mask & HCI_LM_ACCEPT) &&
1998
	    !hci_blacklist_lookup(hdev, &ev->bdaddr)) {
1999
		/* Connection accepted */
2000
		struct inquiry_entry *ie;
L
Linus Torvalds 已提交
2001 2002
		struct hci_conn *conn;

2003
		hci_dev_lock(hdev);
2004

2005 2006
		ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
		if (ie)
2007 2008
			memcpy(ie->data.dev_class, ev->dev_class, 3);

2009 2010
		conn = hci_conn_hash_lookup_ba(hdev, ev->link_type,
					       &ev->bdaddr);
2011
		if (!conn) {
2012 2013
			conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr);
			if (!conn) {
2014
				BT_ERR("No memory for new connection");
2015 2016
				hci_dev_unlock(hdev);
				return;
L
Linus Torvalds 已提交
2017 2018
			}
		}
2019

2020 2021
		memcpy(conn->dev_class, ev->dev_class, 3);
		conn->state = BT_CONNECT;
2022

2023
		hci_dev_unlock(hdev);
L
Linus Torvalds 已提交
2024

2025 2026
		if (ev->link_type == ACL_LINK || !lmp_esco_capable(hdev)) {
			struct hci_cp_accept_conn_req cp;
L
Linus Torvalds 已提交
2027

2028 2029 2030 2031 2032 2033 2034
			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 */

2035 2036
			hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp),
				     &cp);
2037 2038 2039 2040
		} else {
			struct hci_cp_accept_sync_conn_req cp;

			bacpy(&cp.bdaddr, &ev->bdaddr);
2041
			cp.pkt_type = cpu_to_le16(conn->pkt_type);
2042

2043 2044 2045
			cp.tx_bandwidth   = __constant_cpu_to_le32(0x00001f40);
			cp.rx_bandwidth   = __constant_cpu_to_le32(0x00001f40);
			cp.max_latency    = __constant_cpu_to_le16(0xffff);
2046 2047
			cp.content_format = cpu_to_le16(hdev->voice_setting);
			cp.retrans_effort = 0xff;
L
Linus Torvalds 已提交
2048

2049
			hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ,
2050
				     sizeof(cp), &cp);
2051
		}
2052 2053 2054
	} else {
		/* Connection rejected */
		struct hci_cp_reject_conn_req cp;
L
Linus Torvalds 已提交
2055

2056
		bacpy(&cp.bdaddr, &ev->bdaddr);
2057
		cp.reason = HCI_ERROR_REJ_BAD_ADDR;
2058
		hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp);
L
Linus Torvalds 已提交
2059 2060 2061
	}
}

2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077
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;
	}
}

2078
static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
2079
{
2080
	struct hci_ev_disconn_complete *ev = (void *) skb->data;
2081 2082
	struct hci_conn *conn;

2083
	BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
2084 2085 2086 2087

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2088 2089
	if (!conn)
		goto unlock;
2090

2091 2092
	if (ev->status == 0)
		conn->state = BT_CLOSED;
2093

2094
	if (test_and_clear_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags) &&
2095
	    (conn->type == ACL_LINK || conn->type == LE_LINK)) {
2096
		if (ev->status) {
2097
			mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
2098
					       conn->dst_type, ev->status);
2099 2100 2101
		} else {
			u8 reason = hci_to_mgmt_reason(ev->reason);

2102
			mgmt_device_disconnected(hdev, &conn->dst, conn->type,
2103 2104
						 conn->dst_type, reason);
		}
2105
	}
2106

2107
	if (ev->status == 0) {
2108 2109
		if (conn->type == ACL_LINK && conn->flush_key)
			hci_remove_link_key(hdev, &conn->dst);
2110 2111 2112
		hci_proto_disconn_cfm(conn, ev->reason);
		hci_conn_del(conn);
	}
2113 2114

unlock:
2115 2116 2117
	hci_dev_unlock(hdev);
}

2118
static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
L
Linus Torvalds 已提交
2119
{
2120
	struct hci_ev_auth_complete *ev = (void *) skb->data;
2121
	struct hci_conn *conn;
L
Linus Torvalds 已提交
2122

2123
	BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
L
Linus Torvalds 已提交
2124 2125 2126

	hci_dev_lock(hdev);

2127
	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2128 2129 2130 2131
	if (!conn)
		goto unlock;

	if (!ev->status) {
2132
		if (!hci_conn_ssp_enabled(conn) &&
2133
		    test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) {
2134
			BT_INFO("re-auth of legacy device is not possible.");
2135
		} else {
2136 2137
			conn->link_mode |= HCI_LM_AUTH;
			conn->sec_level = conn->pending_sec_level;
2138
		}
2139
	} else {
2140
		mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type,
2141
				 ev->status);
2142
	}
L
Linus Torvalds 已提交
2143

2144 2145
	clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
	clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags);
L
Linus Torvalds 已提交
2146

2147
	if (conn->state == BT_CONFIG) {
2148
		if (!ev->status && hci_conn_ssp_enabled(conn)) {
2149 2150 2151 2152
			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),
2153
				     &cp);
2154
		} else {
2155 2156
			conn->state = BT_CONNECTED;
			hci_proto_connect_cfm(conn, ev->status);
2157 2158
			hci_conn_put(conn);
		}
2159 2160
	} else {
		hci_auth_cfm(conn, ev->status);
2161

2162 2163 2164 2165 2166
		hci_conn_hold(conn);
		conn->disc_timeout = HCI_DISCONN_TIMEOUT;
		hci_conn_put(conn);
	}

2167
	if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) {
2168 2169 2170 2171 2172
		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),
2173
				     &cp);
2174
		} else {
2175
			clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
2176
			hci_encrypt_cfm(conn, ev->status, 0x00);
L
Linus Torvalds 已提交
2177 2178 2179
		}
	}

2180
unlock:
L
Linus Torvalds 已提交
2181 2182 2183
	hci_dev_unlock(hdev);
}

2184
static void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb)
L
Linus Torvalds 已提交
2185
{
2186 2187 2188
	struct hci_ev_remote_name *ev = (void *) skb->data;
	struct hci_conn *conn;

2189
	BT_DBG("%s", hdev->name);
L
Linus Torvalds 已提交
2190

2191
	hci_conn_check_pending(hdev);
2192 2193 2194

	hci_dev_lock(hdev);

2195
	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2196

2197 2198
	if (!test_bit(HCI_MGMT, &hdev->dev_flags))
		goto check_auth;
2199

2200 2201
	if (ev->status == 0)
		hci_check_pending_name(hdev, conn, &ev->bdaddr, ev->name,
2202
				       strnlen(ev->name, HCI_MAX_NAME_LENGTH));
2203 2204 2205 2206
	else
		hci_check_pending_name(hdev, conn, &ev->bdaddr, NULL, 0);

check_auth:
2207 2208 2209 2210 2211 2212
	if (!conn)
		goto unlock;

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

2213
	if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
2214 2215 2216 2217 2218
		struct hci_cp_auth_requested cp;
		cp.handle = __cpu_to_le16(conn->handle);
		hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
	}

2219
unlock:
2220
	hci_dev_unlock(hdev);
2221 2222
}

2223
static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
2224 2225 2226 2227
{
	struct hci_ev_encrypt_change *ev = (void *) skb->data;
	struct hci_conn *conn;

2228
	BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
L
Linus Torvalds 已提交
2229 2230 2231

	hci_dev_lock(hdev);

2232
	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
L
Linus Torvalds 已提交
2233 2234
	if (conn) {
		if (!ev->status) {
2235 2236 2237
			if (ev->encrypt) {
				/* Encryption implies authentication */
				conn->link_mode |= HCI_LM_AUTH;
L
Linus Torvalds 已提交
2238
				conn->link_mode |= HCI_LM_ENCRYPT;
2239
				conn->sec_level = conn->pending_sec_level;
2240
			} else
L
Linus Torvalds 已提交
2241 2242 2243
				conn->link_mode &= ~HCI_LM_ENCRYPT;
		}

2244
		clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
L
Linus Torvalds 已提交
2245

2246
		if (ev->status && conn->state == BT_CONNECTED) {
2247
			hci_acl_disconn(conn, HCI_ERROR_AUTH_FAILURE);
2248 2249 2250 2251
			hci_conn_put(conn);
			goto unlock;
		}

2252 2253 2254 2255 2256 2257 2258 2259
		if (conn->state == BT_CONFIG) {
			if (!ev->status)
				conn->state = BT_CONNECTED;

			hci_proto_connect_cfm(conn, ev->status);
			hci_conn_put(conn);
		} else
			hci_encrypt_cfm(conn, ev->status, ev->encrypt);
L
Linus Torvalds 已提交
2260 2261
	}

2262
unlock:
L
Linus Torvalds 已提交
2263 2264 2265
	hci_dev_unlock(hdev);
}

2266 2267
static void hci_change_link_key_complete_evt(struct hci_dev *hdev,
					     struct sk_buff *skb)
L
Linus Torvalds 已提交
2268
{
2269
	struct hci_ev_change_link_key_complete *ev = (void *) skb->data;
2270
	struct hci_conn *conn;
L
Linus Torvalds 已提交
2271

2272
	BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
L
Linus Torvalds 已提交
2273 2274 2275

	hci_dev_lock(hdev);

2276
	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
L
Linus Torvalds 已提交
2277 2278 2279 2280
	if (conn) {
		if (!ev->status)
			conn->link_mode |= HCI_LM_SECURE;

2281
		clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
L
Linus Torvalds 已提交
2282 2283 2284 2285 2286 2287 2288

		hci_key_change_cfm(conn, ev->status);
	}

	hci_dev_unlock(hdev);
}

2289 2290
static void hci_remote_features_evt(struct hci_dev *hdev,
				    struct sk_buff *skb)
L
Linus Torvalds 已提交
2291
{
2292 2293 2294
	struct hci_ev_remote_features *ev = (void *) skb->data;
	struct hci_conn *conn;

2295
	BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
2296 2297 2298 2299

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2300 2301
	if (!conn)
		goto unlock;
2302

2303 2304 2305 2306 2307 2308 2309 2310 2311 2312 2313
	if (!ev->status)
		memcpy(conn->features, ev->features, 8);

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

	if (!ev->status && lmp_ssp_capable(hdev) && lmp_ssp_capable(conn)) {
		struct hci_cp_read_remote_ext_features cp;
		cp.handle = ev->handle;
		cp.page = 0x01;
		hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES,
2314
			     sizeof(cp), &cp);
2315 2316 2317
		goto unlock;
	}

2318
	if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
2319 2320 2321 2322 2323
		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);
2324 2325
	} else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
		mgmt_device_connected(hdev, &conn->dst, conn->type,
2326 2327
				      conn->dst_type, 0, NULL, 0,
				      conn->dev_class);
2328

2329
	if (!hci_outgoing_auth_needed(hdev, conn)) {
2330 2331 2332
		conn->state = BT_CONNECTED;
		hci_proto_connect_cfm(conn, ev->status);
		hci_conn_put(conn);
2333
	}
2334

2335
unlock:
2336
	hci_dev_unlock(hdev);
L
Linus Torvalds 已提交
2337 2338
}

2339
static void hci_remote_version_evt(struct hci_dev *hdev, struct sk_buff *skb)
L
Linus Torvalds 已提交
2340
{
2341
	BT_DBG("%s", hdev->name);
L
Linus Torvalds 已提交
2342 2343
}

2344 2345
static void hci_qos_setup_complete_evt(struct hci_dev *hdev,
				       struct sk_buff *skb)
L
Linus Torvalds 已提交
2346
{
2347
	BT_DBG("%s", hdev->name);
L
Linus Torvalds 已提交
2348 2349
}

2350
static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
2351 2352 2353 2354 2355 2356 2357 2358 2359 2360 2361 2362 2363
{
	struct hci_ev_cmd_complete *ev = (void *) skb->data;
	__u16 opcode;

	skb_pull(skb, sizeof(*ev));

	opcode = __le16_to_cpu(ev->opcode);

	switch (opcode) {
	case HCI_OP_INQUIRY_CANCEL:
		hci_cc_inquiry_cancel(hdev, skb);
		break;

2364 2365 2366 2367
	case HCI_OP_PERIODIC_INQ:
		hci_cc_periodic_inq(hdev, skb);
		break;

2368 2369 2370 2371 2372 2373 2374 2375 2376 2377 2378 2379
	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;

2380 2381 2382 2383
	case HCI_OP_READ_LINK_POLICY:
		hci_cc_read_link_policy(hdev, skb);
		break;

2384 2385 2386 2387
	case HCI_OP_WRITE_LINK_POLICY:
		hci_cc_write_link_policy(hdev, skb);
		break;

2388 2389 2390 2391 2392 2393 2394 2395
	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;

2396 2397 2398 2399 2400 2401 2402 2403 2404 2405 2406 2407 2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418 2419 2420 2421 2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438 2439
	case HCI_OP_RESET:
		hci_cc_reset(hdev, skb);
		break;

	case HCI_OP_WRITE_LOCAL_NAME:
		hci_cc_write_local_name(hdev, skb);
		break;

	case HCI_OP_READ_LOCAL_NAME:
		hci_cc_read_local_name(hdev, skb);
		break;

	case HCI_OP_WRITE_AUTH_ENABLE:
		hci_cc_write_auth_enable(hdev, skb);
		break;

	case HCI_OP_WRITE_ENCRYPT_MODE:
		hci_cc_write_encrypt_mode(hdev, skb);
		break;

	case HCI_OP_WRITE_SCAN_ENABLE:
		hci_cc_write_scan_enable(hdev, skb);
		break;

	case HCI_OP_READ_CLASS_OF_DEV:
		hci_cc_read_class_of_dev(hdev, skb);
		break;

	case HCI_OP_WRITE_CLASS_OF_DEV:
		hci_cc_write_class_of_dev(hdev, skb);
		break;

	case HCI_OP_READ_VOICE_SETTING:
		hci_cc_read_voice_setting(hdev, skb);
		break;

	case HCI_OP_WRITE_VOICE_SETTING:
		hci_cc_write_voice_setting(hdev, skb);
		break;

	case HCI_OP_HOST_BUFFER_SIZE:
		hci_cc_host_buffer_size(hdev, skb);
		break;

2440 2441 2442 2443
	case HCI_OP_WRITE_SSP_MODE:
		hci_cc_write_ssp_mode(hdev, skb);
		break;

2444 2445 2446 2447 2448 2449 2450 2451 2452 2453 2454 2455
	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;

2456 2457 2458 2459
	case HCI_OP_READ_LOCAL_EXT_FEATURES:
		hci_cc_read_local_ext_features(hdev, skb);
		break;

2460 2461 2462 2463 2464 2465 2466 2467
	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;

2468 2469 2470 2471
	case HCI_OP_READ_DATA_BLOCK_SIZE:
		hci_cc_read_data_block_size(hdev, skb);
		break;

2472 2473 2474 2475
	case HCI_OP_WRITE_CA_TIMEOUT:
		hci_cc_write_ca_timeout(hdev, skb);
		break;

2476 2477 2478 2479
	case HCI_OP_READ_FLOW_CONTROL_MODE:
		hci_cc_read_flow_control_mode(hdev, skb);
		break;

2480 2481 2482 2483
	case HCI_OP_READ_LOCAL_AMP_INFO:
		hci_cc_read_local_amp_info(hdev, skb);
		break;

2484 2485 2486 2487
	case HCI_OP_READ_LOCAL_AMP_ASSOC:
		hci_cc_read_local_amp_assoc(hdev, skb);
		break;

2488 2489 2490 2491
	case HCI_OP_DELETE_STORED_LINK_KEY:
		hci_cc_delete_stored_link_key(hdev, skb);
		break;

2492 2493 2494 2495 2496 2497 2498 2499 2500 2501 2502 2503 2504 2505 2506 2507
	case HCI_OP_SET_EVENT_MASK:
		hci_cc_set_event_mask(hdev, skb);
		break;

	case HCI_OP_WRITE_INQUIRY_MODE:
		hci_cc_write_inquiry_mode(hdev, skb);
		break;

	case HCI_OP_READ_INQ_RSP_TX_POWER:
		hci_cc_read_inq_rsp_tx_power(hdev, skb);
		break;

	case HCI_OP_SET_EVENT_FLT:
		hci_cc_set_event_flt(hdev, skb);
		break;

2508 2509 2510 2511 2512 2513 2514 2515
	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;

2516 2517 2518 2519
	case HCI_OP_READ_LOCAL_OOB_DATA:
		hci_cc_read_local_oob_data_reply(hdev, skb);
		break;

2520 2521 2522 2523
	case HCI_OP_LE_READ_BUFFER_SIZE:
		hci_cc_le_read_buffer_size(hdev, skb);
		break;

2524 2525 2526 2527
	case HCI_OP_LE_READ_ADV_TX_POWER:
		hci_cc_le_read_adv_tx_power(hdev, skb);
		break;

2528 2529 2530 2531
	case HCI_OP_LE_SET_EVENT_MASK:
		hci_cc_le_set_event_mask(hdev, skb);
		break;

2532 2533 2534 2535 2536 2537 2538 2539
	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;

2540 2541 2542 2543 2544 2545
	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);
2546
		break;
2547 2548 2549

	case HCI_OP_LE_SET_SCAN_PARAM:
		hci_cc_le_set_scan_param(hdev, skb);
2550 2551
		break;

2552 2553 2554 2555
	case HCI_OP_LE_SET_SCAN_ENABLE:
		hci_cc_le_set_scan_enable(hdev, skb);
		break;

2556 2557 2558 2559 2560 2561 2562 2563
	case HCI_OP_LE_LTK_REPLY:
		hci_cc_le_ltk_reply(hdev, skb);
		break;

	case HCI_OP_LE_LTK_NEG_REPLY:
		hci_cc_le_ltk_neg_reply(hdev, skb);
		break;

2564 2565 2566 2567
	case HCI_OP_WRITE_LE_HOST_SUPPORTED:
		hci_cc_write_le_host_supported(hdev, skb);
		break;

2568 2569 2570 2571
	case HCI_OP_WRITE_REMOTE_AMP_ASSOC:
		hci_cc_write_remote_amp_assoc(hdev, skb);
		break;

2572
	default:
2573
		BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
2574 2575 2576
		break;
	}

2577 2578 2579
	if (ev->opcode != HCI_OP_NOP)
		del_timer(&hdev->cmd_timer);

2580 2581 2582
	if (ev->ncmd) {
		atomic_set(&hdev->cmd_cnt, 1);
		if (!skb_queue_empty(&hdev->cmd_q))
2583
			queue_work(hdev->workqueue, &hdev->cmd_work);
2584 2585 2586
	}
}

2587
static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
2588 2589 2590 2591 2592 2593 2594 2595 2596 2597 2598 2599 2600 2601 2602 2603 2604 2605 2606 2607 2608
{
	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;

2609 2610 2611 2612 2613 2614 2615 2616
	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;

2617 2618 2619 2620
	case HCI_OP_REMOTE_NAME_REQ:
		hci_cs_remote_name_req(hdev, ev->status);
		break;

2621 2622 2623 2624 2625 2626 2627 2628
	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;

2629 2630 2631 2632 2633 2634 2635 2636 2637 2638 2639 2640
	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;

2641
	case HCI_OP_DISCONNECT:
2642
		hci_cs_disconnect(hdev, ev->status);
2643 2644
		break;

V
Ville Tervo 已提交
2645 2646 2647 2648
	case HCI_OP_LE_CREATE_CONN:
		hci_cs_le_create_conn(hdev, ev->status);
		break;

2649 2650 2651 2652
	case HCI_OP_LE_START_ENC:
		hci_cs_le_start_enc(hdev, ev->status);
		break;

2653 2654 2655 2656
	case HCI_OP_CREATE_PHY_LINK:
		hci_cs_create_phylink(hdev, ev->status);
		break;

2657 2658 2659 2660
	case HCI_OP_ACCEPT_PHY_LINK:
		hci_cs_accept_phylink(hdev, ev->status);
		break;

2661
	default:
2662
		BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
2663 2664 2665
		break;
	}

2666 2667 2668
	if (ev->opcode != HCI_OP_NOP)
		del_timer(&hdev->cmd_timer);

2669
	if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
2670 2671
		atomic_set(&hdev->cmd_cnt, 1);
		if (!skb_queue_empty(&hdev->cmd_q))
2672
			queue_work(hdev->workqueue, &hdev->cmd_work);
2673 2674 2675
	}
}

2676
static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
2677 2678 2679 2680
{
	struct hci_ev_role_change *ev = (void *) skb->data;
	struct hci_conn *conn;

2681
	BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
2682 2683 2684 2685 2686 2687 2688 2689 2690 2691 2692 2693

	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;
		}

2694
		clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
2695 2696 2697 2698 2699 2700 2701

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

	hci_dev_unlock(hdev);
}

2702
static void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb)
2703 2704 2705 2706
{
	struct hci_ev_num_comp_pkts *ev = (void *) skb->data;
	int i;

2707 2708 2709 2710 2711
	if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) {
		BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
		return;
	}

2712
	if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
2713
	    ev->num_hndl * sizeof(struct hci_comp_pkts_info)) {
2714 2715 2716 2717
		BT_DBG("%s bad parameters", hdev->name);
		return;
	}

2718 2719
	BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl);

2720 2721
	for (i = 0; i < ev->num_hndl; i++) {
		struct hci_comp_pkts_info *info = &ev->handles[i];
2722 2723 2724
		struct hci_conn *conn;
		__u16  handle, count;

2725 2726
		handle = __le16_to_cpu(info->handle);
		count  = __le16_to_cpu(info->count);
2727 2728

		conn = hci_conn_hash_lookup_handle(hdev, handle);
2729 2730 2731 2732 2733 2734 2735 2736 2737 2738 2739 2740 2741 2742 2743 2744 2745 2746
		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
2747 2748
				hdev->acl_cnt += count;
				if (hdev->acl_cnt > hdev->acl_pkts)
2749 2750
					hdev->acl_cnt = hdev->acl_pkts;
			}
2751 2752 2753 2754 2755 2756 2757 2758 2759 2760 2761
			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;
2762 2763 2764
		}
	}

2765
	queue_work(hdev->workqueue, &hdev->tx_work);
2766 2767
}

2768 2769 2770 2771 2772 2773 2774 2775 2776 2777 2778 2779 2780 2781 2782 2783 2784 2785 2786 2787 2788
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;
}

2789
static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb)
2790 2791 2792 2793 2794 2795 2796 2797 2798 2799
{
	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) +
2800
	    ev->num_hndl * sizeof(struct hci_comp_blocks_info)) {
2801 2802 2803 2804 2805
		BT_DBG("%s bad parameters", hdev->name);
		return;
	}

	BT_DBG("%s num_blocks %d num_hndl %d", hdev->name, ev->num_blocks,
2806
	       ev->num_hndl);
2807 2808 2809

	for (i = 0; i < ev->num_hndl; i++) {
		struct hci_comp_blocks_info *info = &ev->handles[i];
2810
		struct hci_conn *conn = NULL;
2811 2812 2813 2814 2815
		__u16  handle, block_count;

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

2816
		conn = __hci_conn_lookup_handle(hdev, handle);
2817 2818 2819 2820 2821 2822 2823
		if (!conn)
			continue;

		conn->sent -= block_count;

		switch (conn->type) {
		case ACL_LINK:
2824
		case AMP_LINK:
2825 2826 2827 2828 2829 2830 2831 2832 2833 2834 2835 2836 2837 2838
			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);
}

2839
static void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
2840
{
2841
	struct hci_ev_mode_change *ev = (void *) skb->data;
2842 2843
	struct hci_conn *conn;

2844
	BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
2845 2846 2847 2848

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2849 2850 2851 2852
	if (conn) {
		conn->mode = ev->mode;
		conn->interval = __le16_to_cpu(ev->interval);

2853 2854
		if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND,
					&conn->flags)) {
2855
			if (conn->mode == HCI_CM_ACTIVE)
2856
				set_bit(HCI_CONN_POWER_SAVE, &conn->flags);
2857
			else
2858
				clear_bit(HCI_CONN_POWER_SAVE, &conn->flags);
2859
		}
2860

2861
		if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
2862
			hci_sco_setup(conn, ev->status);
2863 2864 2865 2866 2867
	}

	hci_dev_unlock(hdev);
}

2868
static void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
2869
{
2870 2871 2872
	struct hci_ev_pin_code_req *ev = (void *) skb->data;
	struct hci_conn *conn;

2873
	BT_DBG("%s", hdev->name);
2874 2875 2876 2877

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2878 2879 2880 2881
	if (!conn)
		goto unlock;

	if (conn->state == BT_CONNECTED) {
2882 2883 2884 2885 2886
		hci_conn_hold(conn);
		conn->disc_timeout = HCI_PAIRING_TIMEOUT;
		hci_conn_put(conn);
	}

2887
	if (!test_bit(HCI_PAIRABLE, &hdev->dev_flags))
2888
		hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
2889
			     sizeof(ev->bdaddr), &ev->bdaddr);
2890
	else if (test_bit(HCI_MGMT, &hdev->dev_flags)) {
2891 2892 2893 2894 2895 2896 2897
		u8 secure;

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

2898
		mgmt_pin_code_request(hdev, &ev->bdaddr, secure);
2899
	}
2900

2901
unlock:
2902
	hci_dev_unlock(hdev);
2903 2904
}

2905
static void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
2906
{
2907 2908 2909 2910 2911
	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;

2912
	BT_DBG("%s", hdev->name);
2913

2914
	if (!test_bit(HCI_LINK_KEYS, &hdev->dev_flags))
2915 2916 2917 2918 2919 2920
		return;

	hci_dev_lock(hdev);

	key = hci_find_link_key(hdev, &ev->bdaddr);
	if (!key) {
2921 2922
		BT_DBG("%s link key not found for %pMR", hdev->name,
		       &ev->bdaddr);
2923 2924 2925
		goto not_found;
	}

2926 2927
	BT_DBG("%s found key type %u for %pMR", hdev->name, key->type,
	       &ev->bdaddr);
2928

2929
	if (!test_bit(HCI_DEBUG_KEYS, &hdev->dev_flags) &&
2930
	    key->type == HCI_LK_DEBUG_COMBINATION) {
2931 2932 2933 2934 2935
		BT_DBG("%s ignoring debug key", hdev->name);
		goto not_found;
	}

	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2936 2937
	if (conn) {
		if (key->type == HCI_LK_UNAUTH_COMBINATION &&
2938
		    conn->auth_type != 0xff && (conn->auth_type & 0x01)) {
2939 2940 2941
			BT_DBG("%s ignoring unauthenticated key", hdev->name);
			goto not_found;
		}
2942

2943
		if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 &&
2944
		    conn->pending_sec_level == BT_SECURITY_HIGH) {
2945 2946
			BT_DBG("%s ignoring key unauthenticated for high security",
			       hdev->name);
2947 2948 2949 2950 2951
			goto not_found;
		}

		conn->key_type = key->type;
		conn->pin_length = key->pin_len;
2952 2953 2954
	}

	bacpy(&cp.bdaddr, &ev->bdaddr);
2955
	memcpy(cp.link_key, key->val, HCI_LINK_KEY_SIZE);
2956 2957 2958 2959 2960 2961 2962 2963 2964 2965

	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);
2966 2967
}

2968
static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
2969
{
2970 2971
	struct hci_ev_link_key_notify *ev = (void *) skb->data;
	struct hci_conn *conn;
2972
	u8 pin_len = 0;
2973

2974
	BT_DBG("%s", hdev->name);
2975 2976 2977 2978 2979 2980 2981

	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;
2982
		pin_len = conn->pin_length;
2983 2984 2985 2986

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

2987 2988 2989
		hci_conn_put(conn);
	}

2990
	if (test_bit(HCI_LINK_KEYS, &hdev->dev_flags))
2991
		hci_add_link_key(hdev, conn, 1, &ev->bdaddr, ev->link_key,
2992
				 ev->key_type, pin_len);
2993

2994
	hci_dev_unlock(hdev);
2995 2996
}

2997
static void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb)
L
Linus Torvalds 已提交
2998
{
2999
	struct hci_ev_clock_offset *ev = (void *) skb->data;
3000
	struct hci_conn *conn;
L
Linus Torvalds 已提交
3001

3002
	BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
L
Linus Torvalds 已提交
3003 3004 3005

	hci_dev_lock(hdev);

3006
	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
L
Linus Torvalds 已提交
3007 3008 3009
	if (conn && !ev->status) {
		struct inquiry_entry *ie;

3010 3011
		ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
		if (ie) {
L
Linus Torvalds 已提交
3012 3013 3014 3015 3016 3017 3018 3019
			ie->data.clock_offset = ev->clock_offset;
			ie->timestamp = jiffies;
		}
	}

	hci_dev_unlock(hdev);
}

3020
static void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
3021 3022 3023 3024
{
	struct hci_ev_pkt_type_change *ev = (void *) skb->data;
	struct hci_conn *conn;

3025
	BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
3026 3027 3028 3029 3030 3031 3032 3033 3034 3035

	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);
}

3036
static void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb)
3037
{
3038
	struct hci_ev_pscan_rep_mode *ev = (void *) skb->data;
3039 3040 3041 3042 3043 3044
	struct inquiry_entry *ie;

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

	hci_dev_lock(hdev);

3045 3046
	ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
	if (ie) {
3047 3048 3049 3050 3051 3052 3053
		ie->data.pscan_rep_mode = ev->pscan_rep_mode;
		ie->timestamp = jiffies;
	}

	hci_dev_unlock(hdev);
}

3054 3055
static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev,
					     struct sk_buff *skb)
3056 3057 3058
{
	struct inquiry_data data;
	int num_rsp = *((__u8 *) skb->data);
3059
	bool name_known, ssp;
3060 3061 3062 3063 3064 3065

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

	if (!num_rsp)
		return;

3066 3067 3068
	if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
		return;

3069 3070 3071
	hci_dev_lock(hdev);

	if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) {
3072 3073
		struct inquiry_info_with_rssi_and_pscan_mode *info;
		info = (void *) (skb->data + 1);
3074

3075
		for (; num_rsp; num_rsp--, info++) {
3076 3077 3078 3079 3080 3081 3082
			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;
3083
			data.ssp_mode		= 0x00;
3084 3085

			name_known = hci_inquiry_cache_update(hdev, &data,
3086
							      false, &ssp);
3087
			mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
3088 3089
					  info->dev_class, info->rssi,
					  !name_known, ssp, NULL, 0);
3090 3091 3092 3093
		}
	} else {
		struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);

3094
		for (; num_rsp; num_rsp--, info++) {
3095 3096 3097 3098 3099 3100 3101
			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;
3102
			data.ssp_mode		= 0x00;
3103
			name_known = hci_inquiry_cache_update(hdev, &data,
3104
							      false, &ssp);
3105
			mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
3106 3107
					  info->dev_class, info->rssi,
					  !name_known, ssp, NULL, 0);
3108 3109 3110 3111 3112 3113
		}
	}

	hci_dev_unlock(hdev);
}

3114 3115
static void hci_remote_ext_features_evt(struct hci_dev *hdev,
					struct sk_buff *skb)
3116
{
3117 3118 3119
	struct hci_ev_remote_ext_features *ev = (void *) skb->data;
	struct hci_conn *conn;

3120
	BT_DBG("%s", hdev->name);
3121 3122 3123 3124

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3125 3126
	if (!conn)
		goto unlock;
3127

3128 3129
	if (!ev->status && ev->page == 0x01) {
		struct inquiry_entry *ie;
3130

3131 3132
		ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
		if (ie)
3133
			ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
3134

3135
		if (ev->features[0] & LMP_HOST_SSP)
3136
			set_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
3137 3138 3139 3140 3141
	}

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

3142
	if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
3143 3144 3145 3146 3147
		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);
3148 3149
	} else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
		mgmt_device_connected(hdev, &conn->dst, conn->type,
3150 3151
				      conn->dst_type, 0, NULL, 0,
				      conn->dev_class);
3152

3153
	if (!hci_outgoing_auth_needed(hdev, conn)) {
3154 3155 3156
		conn->state = BT_CONNECTED;
		hci_proto_connect_cfm(conn, ev->status);
		hci_conn_put(conn);
3157 3158
	}

3159
unlock:
3160
	hci_dev_unlock(hdev);
3161 3162
}

3163 3164
static void hci_sync_conn_complete_evt(struct hci_dev *hdev,
				       struct sk_buff *skb)
3165
{
3166 3167 3168
	struct hci_ev_sync_conn_complete *ev = (void *) skb->data;
	struct hci_conn *conn;

3169
	BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
3170 3171 3172 3173

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
3174 3175 3176 3177 3178 3179 3180 3181 3182 3183
	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;
	}
3184

3185 3186
	switch (ev->status) {
	case 0x00:
3187 3188
		conn->handle = __le16_to_cpu(ev->handle);
		conn->state  = BT_CONNECTED;
3189

3190
		hci_conn_hold_device(conn);
3191
		hci_conn_add_sysfs(conn);
3192 3193
		break;

3194
	case 0x11:	/* Unsupported Feature or Parameter Value */
3195
	case 0x1c:	/* SCO interval rejected */
3196
	case 0x1a:	/* Unsupported Remote Feature */
3197 3198 3199 3200 3201 3202 3203 3204 3205 3206
	case 0x1f:	/* Unspecified error */
		if (conn->out && conn->attempt < 2) {
			conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
					(hdev->esco_type & EDR_ESCO_MASK);
			hci_setup_sync(conn, conn->link->handle);
			goto unlock;
		}
		/* fall through */

	default:
3207
		conn->state = BT_CLOSED;
3208 3209
		break;
	}
3210 3211 3212 3213 3214 3215 3216

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

unlock:
	hci_dev_unlock(hdev);
3217 3218
}

3219
static void hci_sync_conn_changed_evt(struct hci_dev *hdev, struct sk_buff *skb)
3220 3221 3222 3223
{
	BT_DBG("%s", hdev->name);
}

3224
static void hci_sniff_subrate_evt(struct hci_dev *hdev, struct sk_buff *skb)
3225
{
3226
	struct hci_ev_sniff_subrate *ev = (void *) skb->data;
3227

3228
	BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
3229 3230
}

3231 3232
static void hci_extended_inquiry_result_evt(struct hci_dev *hdev,
					    struct sk_buff *skb)
L
Linus Torvalds 已提交
3233
{
3234 3235 3236
	struct inquiry_data data;
	struct extended_inquiry_info *info = (void *) (skb->data + 1);
	int num_rsp = *((__u8 *) skb->data);
3237
	size_t eir_len;
L
Linus Torvalds 已提交
3238

3239
	BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
L
Linus Torvalds 已提交
3240

3241 3242
	if (!num_rsp)
		return;
L
Linus Torvalds 已提交
3243

3244 3245 3246
	if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
		return;

3247 3248
	hci_dev_lock(hdev);

3249
	for (; num_rsp; num_rsp--, info++) {
3250
		bool name_known, ssp;
3251

3252
		bacpy(&data.bdaddr, &info->bdaddr);
3253 3254 3255
		data.pscan_rep_mode	= info->pscan_rep_mode;
		data.pscan_period_mode	= info->pscan_period_mode;
		data.pscan_mode		= 0x00;
3256
		memcpy(data.dev_class, info->dev_class, 3);
3257 3258
		data.clock_offset	= info->clock_offset;
		data.rssi		= info->rssi;
3259
		data.ssp_mode		= 0x01;
3260

3261
		if (test_bit(HCI_MGMT, &hdev->dev_flags))
3262
			name_known = eir_has_data_type(info->data,
3263 3264
						       sizeof(info->data),
						       EIR_NAME_COMPLETE);
3265 3266 3267
		else
			name_known = true;

3268
		name_known = hci_inquiry_cache_update(hdev, &data, name_known,
3269
						      &ssp);
3270
		eir_len = eir_get_length(info->data, sizeof(info->data));
3271
		mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
3272
				  info->dev_class, info->rssi, !name_known,
3273
				  ssp, info->data, eir_len);
3274 3275 3276 3277
	}

	hci_dev_unlock(hdev);
}
L
Linus Torvalds 已提交
3278

3279 3280 3281 3282 3283 3284
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;

3285
	BT_DBG("%s status 0x%2.2x handle 0x%4.4x", hdev->name, ev->status,
3286 3287 3288 3289 3290 3291 3292 3293 3294 3295 3296 3297 3298 3299 3300 3301 3302 3303 3304 3305 3306 3307 3308 3309 3310 3311 3312 3313 3314 3315 3316 3317 3318 3319 3320 3321 3322
	       __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) {
		hci_acl_disconn(conn, HCI_ERROR_AUTH_FAILURE);
		hci_conn_put(conn);
		goto unlock;
	}

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

		hci_proto_connect_cfm(conn, ev->status);
		hci_conn_put(conn);
	} else {
		hci_auth_cfm(conn, ev->status);

		hci_conn_hold(conn);
		conn->disc_timeout = HCI_DISCONN_TIMEOUT;
		hci_conn_put(conn);
	}

unlock:
	hci_dev_unlock(hdev);
}

3323
static u8 hci_get_auth_req(struct hci_conn *conn)
3324 3325 3326 3327 3328 3329 3330 3331 3332 3333 3334 3335 3336
{
	/* If remote requests dedicated bonding follow that lead */
	if (conn->remote_auth == 0x02 || conn->remote_auth == 0x03) {
		/* If both remote and local IO capabilities allow MITM
		 * protection then require it, otherwise don't */
		if (conn->remote_cap == 0x03 || conn->io_capability == 0x03)
			return 0x02;
		else
			return 0x03;
	}

	/* If remote requests no-bonding follow that lead */
	if (conn->remote_auth == 0x00 || conn->remote_auth == 0x01)
3337
		return conn->remote_auth | (conn->auth_type & 0x01);
3338 3339 3340 3341

	return conn->auth_type;
}

3342
static void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
3343 3344 3345 3346 3347 3348 3349 3350 3351
{
	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);
3352 3353 3354 3355 3356
	if (!conn)
		goto unlock;

	hci_conn_hold(conn);

3357
	if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3358 3359
		goto unlock;

3360
	if (test_bit(HCI_PAIRABLE, &hdev->dev_flags) ||
3361
	    (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) {
3362 3363 3364
		struct hci_cp_io_capability_reply cp;

		bacpy(&cp.bdaddr, &ev->bdaddr);
3365 3366 3367 3368
		/* Change the IO capability from KeyboardDisplay
		 * to DisplayYesNo as it is not supported by BT spec. */
		cp.capability = (conn->io_capability == 0x04) ?
						0x01 : conn->io_capability;
3369 3370
		conn->auth_type = hci_get_auth_req(conn);
		cp.authentication = conn->auth_type;
3371

3372 3373
		if (hci_find_remote_oob_data(hdev, &conn->dst) &&
		    (conn->out || test_bit(HCI_CONN_REMOTE_OOB, &conn->flags)))
3374 3375 3376 3377
			cp.oob_data = 0x01;
		else
			cp.oob_data = 0x00;

3378
		hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY,
3379
			     sizeof(cp), &cp);
3380 3381 3382 3383
	} else {
		struct hci_cp_io_capability_neg_reply cp;

		bacpy(&cp.bdaddr, &ev->bdaddr);
3384
		cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED;
3385

3386
		hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY,
3387
			     sizeof(cp), &cp);
3388 3389 3390 3391 3392 3393
	}

unlock:
	hci_dev_unlock(hdev);
}

3394
static void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb)
3395 3396 3397 3398 3399 3400 3401 3402 3403 3404 3405 3406 3407 3408
{
	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;
3409 3410
	if (ev->oob_data)
		set_bit(HCI_CONN_REMOTE_OOB, &conn->flags);
3411 3412

unlock:
3413 3414 3415
	hci_dev_unlock(hdev);
}

3416 3417
static void hci_user_confirm_request_evt(struct hci_dev *hdev,
					 struct sk_buff *skb)
3418 3419
{
	struct hci_ev_user_confirm_req *ev = (void *) skb->data;
3420
	int loc_mitm, rem_mitm, confirm_hint = 0;
3421
	struct hci_conn *conn;
3422 3423 3424 3425 3426

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

	hci_dev_lock(hdev);

3427
	if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3428
		goto unlock;
3429

3430 3431 3432 3433 3434 3435 3436 3437 3438 3439 3440 3441 3442 3443 3444
	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
	if (!conn)
		goto unlock;

	loc_mitm = (conn->auth_type & 0x01);
	rem_mitm = (conn->remote_auth & 0x01);

	/* If we require MITM but the remote device can't provide that
	 * (it has NoInputNoOutput) then reject the confirmation
	 * request. The only exception is when we're dedicated bonding
	 * initiators (connect_cfm_cb set) since then we always have the MITM
	 * bit set. */
	if (!conn->connect_cfm_cb && loc_mitm && conn->remote_cap == 0x03) {
		BT_DBG("Rejecting request: remote device can't provide MITM");
		hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY,
3445
			     sizeof(ev->bdaddr), &ev->bdaddr);
3446 3447 3448 3449 3450
		goto unlock;
	}

	/* If no side requires MITM protection; auto-accept */
	if ((!loc_mitm || conn->remote_cap == 0x03) &&
3451
	    (!rem_mitm || conn->io_capability == 0x03)) {
3452 3453 3454 3455

		/* If we're not the initiators request authorization to
		 * proceed from user space (mgmt_user_confirm with
		 * confirm_hint set to 1). */
3456
		if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
3457 3458 3459 3460 3461
			BT_DBG("Confirming auto-accept as acceptor");
			confirm_hint = 1;
			goto confirm;
		}

3462
		BT_DBG("Auto-accept of user confirmation with %ums delay",
3463
		       hdev->auto_accept_delay);
3464 3465 3466 3467 3468 3469 3470

		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;
		}

3471
		hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY,
3472
			     sizeof(ev->bdaddr), &ev->bdaddr);
3473 3474 3475
		goto unlock;
	}

3476
confirm:
3477
	mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0, ev->passkey,
3478
				  confirm_hint);
3479 3480

unlock:
3481 3482 3483
	hci_dev_unlock(hdev);
}

3484 3485
static void hci_user_passkey_request_evt(struct hci_dev *hdev,
					 struct sk_buff *skb)
3486 3487 3488 3489 3490
{
	struct hci_ev_user_passkey_req *ev = (void *) skb->data;

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

3491
	if (test_bit(HCI_MGMT, &hdev->dev_flags))
3492
		mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0);
3493 3494
}

3495 3496 3497 3498 3499 3500 3501 3502 3503 3504 3505 3506 3507 3508 3509 3510 3511 3512 3513 3514 3515 3516 3517 3518 3519 3520 3521 3522 3523 3524 3525 3526 3527 3528 3529 3530 3531 3532 3533 3534 3535 3536 3537 3538 3539 3540 3541 3542 3543 3544 3545 3546 3547 3548 3549 3550 3551 3552 3553
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);
}

3554 3555
static void hci_simple_pair_complete_evt(struct hci_dev *hdev,
					 struct sk_buff *skb)
3556 3557 3558 3559 3560 3561 3562 3563 3564
{
	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);
3565 3566 3567 3568 3569 3570 3571 3572
	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 */
3573
	if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && ev->status)
3574
		mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type,
3575
				 ev->status);
3576

3577 3578 3579
	hci_conn_put(conn);

unlock:
3580 3581 3582
	hci_dev_unlock(hdev);
}

3583 3584
static void hci_remote_host_features_evt(struct hci_dev *hdev,
					 struct sk_buff *skb)
3585 3586 3587 3588 3589 3590 3591 3592
{
	struct hci_ev_remote_host_features *ev = (void *) skb->data;
	struct inquiry_entry *ie;

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

	hci_dev_lock(hdev);

3593 3594
	ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
	if (ie)
3595
		ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
3596 3597 3598 3599

	hci_dev_unlock(hdev);
}

3600 3601
static void hci_remote_oob_data_request_evt(struct hci_dev *hdev,
					    struct sk_buff *skb)
3602 3603 3604 3605 3606 3607 3608 3609
{
	struct hci_ev_remote_oob_data_request *ev = (void *) skb->data;
	struct oob_data *data;

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

	hci_dev_lock(hdev);

3610
	if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3611 3612
		goto unlock;

3613 3614 3615 3616 3617 3618 3619 3620 3621
	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),
3622
			     &cp);
3623 3624 3625 3626 3627
	} 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),
3628
			     &cp);
3629 3630
	}

3631
unlock:
3632 3633 3634
	hci_dev_unlock(hdev);
}

3635
static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
V
Ville Tervo 已提交
3636 3637 3638 3639
{
	struct hci_ev_le_conn_complete *ev = (void *) skb->data;
	struct hci_conn *conn;

3640
	BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
V
Ville Tervo 已提交
3641 3642 3643

	hci_dev_lock(hdev);

3644
	conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
3645 3646 3647 3648
	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
3649
			goto unlock;
3650
		}
3651 3652

		conn->dst_type = ev->bdaddr_type;
3653 3654 3655 3656 3657

		if (ev->role == LE_CONN_ROLE_MASTER) {
			conn->out = true;
			conn->link_mode |= HCI_LM_MASTER;
		}
3658
	}
V
Ville Tervo 已提交
3659

3660 3661 3662 3663 3664 3665 3666 3667 3668
	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;
	}

3669 3670
	if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
		mgmt_device_connected(hdev, &ev->bdaddr, conn->type,
3671
				      conn->dst_type, 0, NULL, 0, NULL);
3672

3673
	conn->sec_level = BT_SECURITY_LOW;
V
Ville Tervo 已提交
3674 3675 3676 3677 3678 3679 3680 3681 3682 3683 3684 3685
	conn->handle = __le16_to_cpu(ev->handle);
	conn->state = BT_CONNECTED;

	hci_conn_hold_device(conn);
	hci_conn_add_sysfs(conn);

	hci_proto_connect_cfm(conn, ev->status);

unlock:
	hci_dev_unlock(hdev);
}

3686
static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb)
3687
{
3688 3689
	u8 num_reports = skb->data[0];
	void *ptr = &skb->data[1];
A
Andre Guedes 已提交
3690
	s8 rssi;
3691 3692 3693

	hci_dev_lock(hdev);

3694 3695
	while (num_reports--) {
		struct hci_ev_le_advertising_info *ev = ptr;
3696

A
Andre Guedes 已提交
3697 3698
		rssi = ev->data[ev->length];
		mgmt_device_found(hdev, &ev->bdaddr, LE_LINK, ev->bdaddr_type,
3699
				  NULL, rssi, 0, 1, ev->data, ev->length);
A
Andre Guedes 已提交
3700

3701
		ptr += sizeof(*ev) + ev->length + 1;
3702 3703 3704 3705 3706
	}

	hci_dev_unlock(hdev);
}

3707
static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
3708 3709 3710
{
	struct hci_ev_le_ltk_req *ev = (void *) skb->data;
	struct hci_cp_le_ltk_reply cp;
3711
	struct hci_cp_le_ltk_neg_reply neg;
3712
	struct hci_conn *conn;
3713
	struct smp_ltk *ltk;
3714

3715
	BT_DBG("%s handle 0x%4.4x", hdev->name, __le16_to_cpu(ev->handle));
3716 3717 3718 3719

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3720 3721
	if (conn == NULL)
		goto not_found;
3722

3723 3724 3725 3726 3727
	ltk = hci_find_ltk(hdev, ev->ediv, ev->random);
	if (ltk == NULL)
		goto not_found;

	memcpy(cp.ltk, ltk->val, sizeof(ltk->val));
3728
	cp.handle = cpu_to_le16(conn->handle);
3729 3730 3731

	if (ltk->authenticated)
		conn->sec_level = BT_SECURITY_HIGH;
3732 3733 3734

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

3735 3736 3737 3738 3739
	if (ltk->type & HCI_SMP_STK) {
		list_del(&ltk->list);
		kfree(ltk);
	}

3740
	hci_dev_unlock(hdev);
3741 3742 3743 3744 3745 3746 3747

	return;

not_found:
	neg.handle = ev->handle;
	hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg);
	hci_dev_unlock(hdev);
3748 3749
}

3750
static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
V
Ville Tervo 已提交
3751 3752 3753 3754 3755 3756 3757 3758 3759 3760
{
	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;

3761 3762 3763 3764
	case HCI_EV_LE_ADVERTISING_REPORT:
		hci_le_adv_report_evt(hdev, skb);
		break;

3765 3766 3767 3768
	case HCI_EV_LE_LTK_REQ:
		hci_le_ltk_request_evt(hdev, skb);
		break;

V
Ville Tervo 已提交
3769 3770 3771 3772 3773
	default:
		break;
	}
}

3774 3775 3776 3777 3778 3779 3780 3781 3782 3783 3784 3785 3786 3787 3788 3789
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);
}

3790 3791 3792 3793 3794 3795 3796 3797
void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
{
	struct hci_event_hdr *hdr = (void *) skb->data;
	__u8 event = hdr->evt;

	skb_pull(skb, HCI_EVENT_HDR_SIZE);

	switch (event) {
L
Linus Torvalds 已提交
3798 3799 3800 3801 3802 3803 3804 3805
	case HCI_EV_INQUIRY_COMPLETE:
		hci_inquiry_complete_evt(hdev, skb);
		break;

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

3806 3807
	case HCI_EV_CONN_COMPLETE:
		hci_conn_complete_evt(hdev, skb);
3808 3809
		break;

L
Linus Torvalds 已提交
3810 3811 3812 3813 3814 3815 3816 3817 3818 3819 3820 3821
	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;

3822 3823 3824 3825
	case HCI_EV_REMOTE_NAME:
		hci_remote_name_evt(hdev, skb);
		break;

L
Linus Torvalds 已提交
3826 3827 3828 3829
	case HCI_EV_ENCRYPT_CHANGE:
		hci_encrypt_change_evt(hdev, skb);
		break;

3830 3831 3832 3833 3834 3835 3836 3837 3838 3839 3840 3841 3842 3843 3844 3845 3846 3847 3848 3849 3850 3851 3852 3853 3854 3855 3856 3857 3858 3859 3860 3861 3862 3863
	case HCI_EV_CHANGE_LINK_KEY_COMPLETE:
		hci_change_link_key_complete_evt(hdev, skb);
		break;

	case HCI_EV_REMOTE_FEATURES:
		hci_remote_features_evt(hdev, skb);
		break;

	case HCI_EV_REMOTE_VERSION:
		hci_remote_version_evt(hdev, skb);
		break;

	case HCI_EV_QOS_SETUP_COMPLETE:
		hci_qos_setup_complete_evt(hdev, skb);
		break;

	case HCI_EV_CMD_COMPLETE:
		hci_cmd_complete_evt(hdev, skb);
		break;

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

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

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

	case HCI_EV_MODE_CHANGE:
		hci_mode_change_evt(hdev, skb);
L
Linus Torvalds 已提交
3864 3865 3866 3867 3868 3869 3870 3871 3872 3873 3874 3875 3876 3877 3878 3879 3880 3881
		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;

3882 3883 3884 3885
	case HCI_EV_PKT_TYPE_CHANGE:
		hci_pkt_type_change_evt(hdev, skb);
		break;

3886 3887 3888 3889
	case HCI_EV_PSCAN_REP_MODE:
		hci_pscan_rep_mode_evt(hdev, skb);
		break;

3890 3891
	case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
		hci_inquiry_result_with_rssi_evt(hdev, skb);
3892 3893
		break;

3894 3895
	case HCI_EV_REMOTE_EXT_FEATURES:
		hci_remote_ext_features_evt(hdev, skb);
L
Linus Torvalds 已提交
3896 3897
		break;

3898 3899 3900
	case HCI_EV_SYNC_CONN_COMPLETE:
		hci_sync_conn_complete_evt(hdev, skb);
		break;
L
Linus Torvalds 已提交
3901

3902 3903 3904
	case HCI_EV_SYNC_CONN_CHANGED:
		hci_sync_conn_changed_evt(hdev, skb);
		break;
L
Linus Torvalds 已提交
3905

3906 3907 3908
	case HCI_EV_SNIFF_SUBRATE:
		hci_sniff_subrate_evt(hdev, skb);
		break;
L
Linus Torvalds 已提交
3909

3910 3911 3912
	case HCI_EV_EXTENDED_INQUIRY_RESULT:
		hci_extended_inquiry_result_evt(hdev, skb);
		break;
L
Linus Torvalds 已提交
3913

3914 3915 3916 3917
	case HCI_EV_KEY_REFRESH_COMPLETE:
		hci_key_refresh_complete_evt(hdev, skb);
		break;

3918 3919 3920 3921
	case HCI_EV_IO_CAPA_REQUEST:
		hci_io_capa_request_evt(hdev, skb);
		break;

3922 3923 3924 3925
	case HCI_EV_IO_CAPA_REPLY:
		hci_io_capa_reply_evt(hdev, skb);
		break;

3926 3927 3928 3929
	case HCI_EV_USER_CONFIRM_REQUEST:
		hci_user_confirm_request_evt(hdev, skb);
		break;

3930 3931 3932 3933
	case HCI_EV_USER_PASSKEY_REQUEST:
		hci_user_passkey_request_evt(hdev, skb);
		break;

3934 3935 3936 3937 3938 3939 3940 3941
	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;

3942 3943 3944 3945
	case HCI_EV_SIMPLE_PAIR_COMPLETE:
		hci_simple_pair_complete_evt(hdev, skb);
		break;

3946 3947 3948 3949
	case HCI_EV_REMOTE_HOST_FEATURES:
		hci_remote_host_features_evt(hdev, skb);
		break;

V
Ville Tervo 已提交
3950 3951 3952 3953
	case HCI_EV_LE_META:
		hci_le_meta_evt(hdev, skb);
		break;

3954 3955 3956 3957
	case HCI_EV_CHANNEL_SELECTED:
		hci_chan_selected_evt(hdev, skb);
		break;

3958 3959 3960 3961
	case HCI_EV_REMOTE_OOB_DATA_REQUEST:
		hci_remote_oob_data_request_evt(hdev, skb);
		break;

3962 3963 3964 3965
	case HCI_EV_NUM_COMP_BLOCKS:
		hci_num_comp_blocks_evt(hdev, skb);
		break;

3966
	default:
3967
		BT_DBG("%s event 0x%2.2x", hdev->name, event);
L
Linus Torvalds 已提交
3968 3969 3970 3971 3972 3973
		break;
	}

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