linux-imx

/*

   BlueZ - Bluetooth protocol stack for Linux

   Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved.

​

   Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>

​

   This program is free software; you can redistribute it and/or modify

   it under the terms of the GNU General Public License version 2 as

   published by the Free Software Foundation;

​

   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

   OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.

   IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY

   CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES

   WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN

   ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF

   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

​

   ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,

   COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS

   SOFTWARE IS DISCLAIMED.

*/

​

/* Bluetooth HCI event handling. */

​

#include <asm/unaligned.h>

​

#include <net/bluetooth/bluetooth.h>

#include <net/bluetooth/hci_core.h>

#include <net/bluetooth/mgmt.h>

​

#include "hci_request.h"

#include "hci_debugfs.h"

#include "a2mp.h"

#include "amp.h"

#include "smp.h"

​

#define ZERO_KEY "\x00\x00\x00\x00\x00\x00\x00\x00" \

         "\x00\x00\x00\x00\x00\x00\x00\x00"

​

/* Handle HCI Event packets */

​

static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)

{

    __u8 status = *((__u8 *) skb->data);

​

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

​

    if (status)

        return;

​

    clear_bit(HCI_INQUIRY, &hdev->flags);

    smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */

    wake_up_bit(&hdev->flags, HCI_INQUIRY);

​

    hci_dev_lock(hdev);

    /* Set discovery state to stopped if we're not doing LE active

     * scanning.

     */

    if (!hci_dev_test_flag(hdev, HCI_LE_SCAN) ||

        hdev->le_scan_type != LE_SCAN_ACTIVE)

        hci_discovery_set_state(hdev, DISCOVERY_STOPPED);

    hci_dev_unlock(hdev);

​

    hci_conn_check_pending(hdev);

}

​

static void hci_cc_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)

{

    __u8 status = *((__u8 *) skb->data);

​

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

​

    if (status)

        return;

​

    hci_dev_set_flag(hdev, HCI_PERIODIC_INQ);

}

​

static void hci_cc_exit_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)

{

    __u8 status = *((__u8 *) skb->data);

​

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

​

    if (status)

        return;

​

    hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ);

​

    hci_conn_check_pending(hdev);