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hci_event.c 46.2 KB
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/*
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   BlueZ - Bluetooth protocol stack for Linux
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   Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved.
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   Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License version 2 as
   published by the Free Software Foundation;

   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
   OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
   IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
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   CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
   WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

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

/* Bluetooth HCI event handling. */

#include <linux/module.h>

#include <linux/types.h>
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/poll.h>
#include <linux/fcntl.h>
#include <linux/init.h>
#include <linux/skbuff.h>
#include <linux/interrupt.h>
#include <linux/notifier.h>
#include <net/sock.h>

#include <asm/system.h>
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#include <linux/uaccess.h>
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#include <asm/unaligned.h>

#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>

/* 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%x", hdev->name, status);
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	if (status)
		return;
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	clear_bit(HCI_INQUIRY, &hdev->flags);
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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_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%x", hdev->name, status);
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	if (status)
		return;
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	clear_bit(HCI_INQUIRY, &hdev->flags);

	hci_conn_check_pending(hdev);
}

static void hci_cc_remote_name_req_cancel(struct hci_dev *hdev, struct sk_buff *skb)
{
	BT_DBG("%s", hdev->name);
}

static void hci_cc_role_discovery(struct hci_dev *hdev, struct sk_buff *skb)
{
	struct hci_rp_role_discovery *rp = (void *) skb->data;
	struct hci_conn *conn;

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

	if (rp->status)
		return;

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
	if (conn) {
		if (rp->role)
			conn->link_mode &= ~HCI_LM_MASTER;
		else
			conn->link_mode |= HCI_LM_MASTER;
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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;

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

	if (rp->status)
		return;

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
	if (conn)
		conn->link_policy = __le16_to_cpu(rp->policy);

	hci_dev_unlock(hdev);
}

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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%x", 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)
{
	struct hci_rp_read_def_link_policy *rp = (void *) skb->data;

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

	if (rp->status)
		return;

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

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

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

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

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

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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%x", hdev->name, status);
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	hci_req_complete(hdev, HCI_OP_RESET, status);
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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%x", hdev->name, status);
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	if (status)
		return;

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	sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME);
	if (!sent)
		return;
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	memcpy(hdev->dev_name, sent, 248);
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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;

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

	if (rp->status)
		return;

	memcpy(hdev->dev_name, rp->name, 248);
}

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

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

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

	if (!status) {
		__u8 param = *((__u8 *) sent);

		if (param == AUTH_ENABLED)
			set_bit(HCI_AUTH, &hdev->flags);
		else
			clear_bit(HCI_AUTH, &hdev->flags);
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	}
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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%x", 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)
{
	__u8 status = *((__u8 *) skb->data);
	void *sent;
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	BT_DBG("%s status 0x%x", 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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	if (!status) {
		__u8 param = *((__u8 *) sent);
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		clear_bit(HCI_PSCAN, &hdev->flags);
		clear_bit(HCI_ISCAN, &hdev->flags);
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		if (param & SCAN_INQUIRY)
			set_bit(HCI_ISCAN, &hdev->flags);
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		if (param & SCAN_PAGE)
			set_bit(HCI_PSCAN, &hdev->flags);
	}
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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%x", 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,
		hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]);
}
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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%x", hdev->name, status);
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	if (status)
		return;

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	sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV);
	if (!sent)
		return;
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	memcpy(hdev->dev_class, sent, 3);
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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;

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

	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;

	BT_DBG("%s voice setting 0x%04x", hdev->name, setting);

	if (hdev->notify) {
		tasklet_disable(&hdev->tx_task);
		hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
		tasklet_enable(&hdev->tx_task);
	}
}

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

	BT_DBG("%s status 0x%x", 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%04x", hdev->name, setting);
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	if (hdev->notify) {
		tasklet_disable(&hdev->tx_task);
		hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
		tasklet_enable(&hdev->tx_task);
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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%x", 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_read_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
{
	struct hci_rp_read_ssp_mode *rp = (void *) skb->data;

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

	if (rp->status)
		return;

	hdev->ssp_mode = rp->mode;
}

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

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

	if (status)
		return;

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

	hdev->ssp_mode = *((__u8 *) sent);
}

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static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
{
	struct hci_rp_read_local_version *rp = (void *) skb->data;
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	BT_DBG("%s status 0x%x", hdev->name, rp->status);
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	if (rp->status)
		return;
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	hdev->hci_ver = rp->hci_ver;
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	hdev->hci_rev = __le16_to_cpu(rp->hci_rev);
	hdev->manufacturer = __le16_to_cpu(rp->manufacturer);
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	BT_DBG("%s manufacturer %d hci ver %d:%d", hdev->name,
					hdev->manufacturer,
					hdev->hci_ver, hdev->hci_rev);
}
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static void hci_cc_read_local_commands(struct hci_dev *hdev, struct sk_buff *skb)
{
	struct hci_rp_read_local_commands *rp = (void *) skb->data;
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	BT_DBG("%s status 0x%x", hdev->name, rp->status);
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	if (rp->status)
		return;
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	memcpy(hdev->commands, rp->commands, sizeof(hdev->commands));
}
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static void hci_cc_read_local_features(struct hci_dev *hdev, struct sk_buff *skb)
{
	struct hci_rp_read_local_features *rp = (void *) skb->data;
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	BT_DBG("%s status 0x%x", hdev->name, rp->status);
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	if (rp->status)
		return;
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	memcpy(hdev->features, rp->features, 8);
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	/* Adjust default settings according to features
	 * supported by device. */
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	if (hdev->features[0] & LMP_3SLOT)
		hdev->pkt_type |= (HCI_DM3 | HCI_DH3);
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	if (hdev->features[0] & LMP_5SLOT)
		hdev->pkt_type |= (HCI_DM5 | HCI_DH5);
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	if (hdev->features[1] & LMP_HV2) {
		hdev->pkt_type  |= (HCI_HV2);
		hdev->esco_type |= (ESCO_HV2);
	}
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	if (hdev->features[1] & LMP_HV3) {
		hdev->pkt_type  |= (HCI_HV3);
		hdev->esco_type |= (ESCO_HV3);
	}
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	if (hdev->features[3] & LMP_ESCO)
		hdev->esco_type |= (ESCO_EV3);
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	if (hdev->features[4] & LMP_EV4)
		hdev->esco_type |= (ESCO_EV4);
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	if (hdev->features[4] & LMP_EV5)
		hdev->esco_type |= (ESCO_EV5);
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	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);

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	BT_DBG("%s features 0x%.2x%.2x%.2x%.2x%.2x%.2x%.2x%.2x", hdev->name,
					hdev->features[0], hdev->features[1],
					hdev->features[2], hdev->features[3],
					hdev->features[4], hdev->features[5],
					hdev->features[6], hdev->features[7]);
}
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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;
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	BT_DBG("%s status 0x%x", hdev->name, rp->status);
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	if (rp->status)
		return;
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	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;
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	}
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	hdev->acl_cnt = hdev->acl_pkts;
	hdev->sco_cnt = hdev->sco_pkts;

	BT_DBG("%s acl mtu %d:%d sco mtu %d:%d", hdev->name,
					hdev->acl_mtu, hdev->acl_pkts,
					hdev->sco_mtu, hdev->sco_pkts);
}

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

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

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

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

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

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

	hci_req_complete(hdev, HCI_OP_WRITE_CA_TIMEOUT, status);
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}

static inline void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
{
	BT_DBG("%s status 0x%x", hdev->name, status);

	if (status) {
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		hci_req_complete(hdev, HCI_OP_INQUIRY, status);
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		hci_conn_check_pending(hdev);
	} else
		set_bit(HCI_INQUIRY, &hdev->flags);
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}

static inline void hci_cs_create_conn(struct hci_dev *hdev, __u8 status)
{
565
	struct hci_cp_create_conn *cp;
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	struct hci_conn *conn;

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

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

	hci_dev_lock(hdev);

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

578
	BT_DBG("%s bdaddr %s conn %p", hdev->name, batostr(&cp->bdaddr), conn);
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	if (status) {
		if (conn && conn->state == BT_CONNECT) {
582 583 584 585 586 587
			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;
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		}
	} else {
		if (!conn) {
			conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr);
			if (conn) {
				conn->out = 1;
				conn->link_mode |= HCI_LM_MASTER;
			} else
596
				BT_ERR("No memory for new connection");
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		}
	}

	hci_dev_unlock(hdev);
}

603
static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status)
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{
605 606 607
	struct hci_cp_add_sco *cp;
	struct hci_conn *acl, *sco;
	__u16 handle;
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609 610
	BT_DBG("%s status 0x%x", hdev->name, status);

611 612
	if (!status)
		return;
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614 615 616
	cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO);
	if (!cp)
		return;
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618
	handle = __le16_to_cpu(cp->handle);
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620
	BT_DBG("%s handle %d", hdev->name, handle);
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622
	hci_dev_lock(hdev);
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	acl = hci_conn_hash_lookup_handle(hdev, handle);
	if (acl && (sco = acl->link)) {
		sco->state = BT_CLOSED;
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		hci_proto_connect_cfm(sco, status);
		hci_conn_del(sco);
	}
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	hci_dev_unlock(hdev);
}
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static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status)
{
	struct hci_cp_auth_requested *cp;
	struct hci_conn *conn;

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

	if (!status)
		return;

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

	hci_dev_lock(hdev);

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

	hci_dev_unlock(hdev);
}

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

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

	if (!status)
		return;

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

	hci_dev_lock(hdev);

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

	hci_dev_unlock(hdev);
}

689
static int hci_outgoing_auth_needed(struct hci_dev *hdev,
690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706
						struct hci_conn *conn)
{
	if (conn->state != BT_CONFIG || !conn->out)
		return 0;

	if (conn->sec_level == BT_SECURITY_SDP)
		return 0;

	/* Only request authentication for SSP connections or non-SSP
	 * devices with sec_level HIGH */
	if (!(hdev->ssp_mode > 0 && conn->ssp_mode > 0) &&
					conn->sec_level != BT_SECURITY_HIGH)
		return 0;

	return 1;
}

707 708
static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status)
{
709 710 711
	struct hci_cp_remote_name_req *cp;
	struct hci_conn *conn;

712
	BT_DBG("%s status 0x%x", hdev->name, status);
713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732

	/* If successful wait for the name req complete event before
	 * checking for the need to do authentication */
	if (!status)
		return;

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

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
	if (conn && hci_outgoing_auth_needed(hdev, conn)) {
		struct hci_cp_auth_requested cp;
		cp.handle = __cpu_to_le16(conn->handle);
		hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
	}

	hci_dev_unlock(hdev);
733
}
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735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788
static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status)
{
	struct hci_cp_read_remote_features *cp;
	struct hci_conn *conn;

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

	if (!status)
		return;

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

	hci_dev_lock(hdev);

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

	hci_dev_unlock(hdev);
}

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

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

	if (!status)
		return;

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

	hci_dev_lock(hdev);

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

	hci_dev_unlock(hdev);
}

789 790
static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status)
{
791 792 793 794
	struct hci_cp_setup_sync_conn *cp;
	struct hci_conn *acl, *sco;
	__u16 handle;

795
	BT_DBG("%s status 0x%x", hdev->name, status);
796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818

	if (!status)
		return;

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

	handle = __le16_to_cpu(cp->handle);

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

	hci_dev_lock(hdev);

	acl = hci_conn_hash_lookup_handle(hdev, handle);
	if (acl && (sco = acl->link)) {
		sco->state = BT_CLOSED;

		hci_proto_connect_cfm(sco, status);
		hci_conn_del(sco);
	}

	hci_dev_unlock(hdev);
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}

821
static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status)
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{
823 824
	struct hci_cp_sniff_mode *cp;
	struct hci_conn *conn;
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826
	BT_DBG("%s status 0x%x", hdev->name, status);
827

828 829
	if (!status)
		return;
830

831 832 833
	cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE);
	if (!cp)
		return;
834

835
	hci_dev_lock(hdev);
836

837
	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
838
	if (conn) {
839
		clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend);
840

841 842 843 844
		if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->pend))
			hci_sco_setup(conn, status);
	}

845 846
	hci_dev_unlock(hdev);
}
847

848 849 850 851
static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status)
{
	struct hci_cp_exit_sniff_mode *cp;
	struct hci_conn *conn;
852

853
	BT_DBG("%s status 0x%x", hdev->name, status);
854

855 856
	if (!status)
		return;
857

858 859 860
	cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE);
	if (!cp)
		return;
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862
	hci_dev_lock(hdev);
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864
	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
865
	if (conn) {
866
		clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend);
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		if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->pend))
			hci_sco_setup(conn, status);
	}

872
	hci_dev_unlock(hdev);
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}

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

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

	clear_bit(HCI_INQUIRY, &hdev->flags);
882

883
	hci_req_complete(hdev, HCI_OP_INQUIRY, status);
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885
	hci_conn_check_pending(hdev);
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}

static inline void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
890
	struct inquiry_data data;
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	struct inquiry_info *info = (void *) (skb->data + 1);
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	int num_rsp = *((__u8 *) skb->data);

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

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	if (!num_rsp)
		return;

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	hci_dev_lock(hdev);
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	for (; num_rsp; num_rsp--) {
		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;
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		data.ssp_mode		= 0x00;
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		info++;
		hci_inquiry_cache_update(hdev, &data);
	}
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	hci_dev_unlock(hdev);
}

static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
919 920
	struct hci_ev_conn_complete *ev = (void *) skb->data;
	struct hci_conn *conn;
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	BT_DBG("%s", hdev->name);

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
927 928 929 930 931 932 933 934 935 936
	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;
	}
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	if (!ev->status) {
		conn->handle = __le16_to_cpu(ev->handle);
940 941 942 943

		if (conn->type == ACL_LINK) {
			conn->state = BT_CONFIG;
			hci_conn_hold(conn);
944
			conn->disc_timeout = HCI_DISCONN_TIMEOUT;
945 946
		} else
			conn->state = BT_CONNECTED;
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		hci_conn_hold_device(conn);
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		hci_conn_add_sysfs(conn);

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		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;

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		/* Get remote features */
		if (conn->type == ACL_LINK) {
			struct hci_cp_read_remote_features cp;
			cp.handle = ev->handle;
961 962
			hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES,
							sizeof(cp), &cp);
963 964
		}

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		/* Set packet type for incoming connection */
966
		if (!conn->out && hdev->hci_ver < 3) {
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			struct hci_cp_change_conn_ptype cp;
			cp.handle = ev->handle;
969 970 971
			cp.pkt_type = cpu_to_le16(conn->pkt_type);
			hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE,
							sizeof(cp), &cp);
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		}
	} else
		conn->state = BT_CLOSED;

976 977
	if (conn->type == ACL_LINK)
		hci_sco_setup(conn, ev->status);
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979 980
	if (ev->status) {
		hci_proto_connect_cfm(conn, ev->status);
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		hci_conn_del(conn);
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	} else if (ev->link_type != ACL_LINK)
		hci_proto_connect_cfm(conn, ev->status);
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unlock:
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	hci_dev_unlock(hdev);

988
	hci_conn_check_pending(hdev);
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}

991
static inline void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
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{
993 994
	struct hci_ev_conn_request *ev = (void *) skb->data;
	int mask = hdev->link_mode;
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996 997
	BT_DBG("%s bdaddr %s type 0x%x", hdev->name,
					batostr(&ev->bdaddr), ev->link_type);
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999
	mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type);
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1001
	if ((mask & HCI_LM_ACCEPT) && !hci_blacklist_lookup(hdev, &ev->bdaddr)) {
1002
		/* Connection accepted */
1003
		struct inquiry_entry *ie;
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		struct hci_conn *conn;

1006
		hci_dev_lock(hdev);
1007

1008 1009
		ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
		if (ie)
1010 1011
			memcpy(ie->data.dev_class, ev->dev_class, 3);

1012 1013
		conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
		if (!conn) {
1014 1015
			conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr);
			if (!conn) {
1016
				BT_ERR("No memory for new connection");
1017 1018
				hci_dev_unlock(hdev);
				return;
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			}
		}
1021

1022 1023
		memcpy(conn->dev_class, ev->dev_class, 3);
		conn->state = BT_CONNECT;
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1025
		hci_dev_unlock(hdev);
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		if (ev->link_type == ACL_LINK || !lmp_esco_capable(hdev)) {
			struct hci_cp_accept_conn_req cp;
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1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042
			bacpy(&cp.bdaddr, &ev->bdaddr);

			if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER))
				cp.role = 0x00; /* Become master */
			else
				cp.role = 0x01; /* Remain slave */

			hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ,
							sizeof(cp), &cp);
		} else {
			struct hci_cp_accept_sync_conn_req cp;

			bacpy(&cp.bdaddr, &ev->bdaddr);
1043
			cp.pkt_type = cpu_to_le16(conn->pkt_type);
1044 1045 1046 1047 1048 1049

			cp.tx_bandwidth   = cpu_to_le32(0x00001f40);
			cp.rx_bandwidth   = cpu_to_le32(0x00001f40);
			cp.max_latency    = cpu_to_le16(0xffff);
			cp.content_format = cpu_to_le16(hdev->voice_setting);
			cp.retrans_effort = 0xff;
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1051 1052 1053
			hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ,
							sizeof(cp), &cp);
		}
1054 1055 1056
	} else {
		/* Connection rejected */
		struct hci_cp_reject_conn_req cp;
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1058 1059 1060
		bacpy(&cp.bdaddr, &ev->bdaddr);
		cp.reason = 0x0f;
		hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp);
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	}
}

1064
static inline void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1065
{
1066
	struct hci_ev_disconn_complete *ev = (void *) skb->data;
1067 1068 1069 1070
	struct hci_conn *conn;

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

1071 1072 1073
	if (ev->status)
		return;

1074 1075 1076 1077
	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
	if (conn) {
1078
		conn->state = BT_CLOSED;
1079

1080
		hci_proto_disconn_cfm(conn, ev->reason);
1081
		hci_conn_del(conn);
1082 1083 1084 1085 1086
	}

	hci_dev_unlock(hdev);
}

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static inline void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
1089
	struct hci_ev_auth_complete *ev = (void *) skb->data;
1090
	struct hci_conn *conn;
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	BT_DBG("%s status %d", hdev->name, ev->status);

	hci_dev_lock(hdev);

1096
	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
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	if (conn) {
		if (!ev->status)
			conn->link_mode |= HCI_LM_AUTH;
1100 1101
		else
			conn->sec_level = BT_SECURITY_LOW;
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		clear_bit(HCI_CONN_AUTH_PEND, &conn->pend);

1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117
		if (conn->state == BT_CONFIG) {
			if (!ev->status && hdev->ssp_mode > 0 &&
							conn->ssp_mode > 0) {
				struct hci_cp_set_conn_encrypt cp;
				cp.handle  = ev->handle;
				cp.encrypt = 0x01;
				hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT,
							sizeof(cp), &cp);
			} else {
				conn->state = BT_CONNECTED;
				hci_proto_connect_cfm(conn, ev->status);
				hci_conn_put(conn);
			}
1118
		} else {
1119
			hci_auth_cfm(conn, ev->status);
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1121 1122 1123 1124 1125
			hci_conn_hold(conn);
			conn->disc_timeout = HCI_DISCONN_TIMEOUT;
			hci_conn_put(conn);
		}

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		if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) {
			if (!ev->status) {
				struct hci_cp_set_conn_encrypt cp;
1129 1130 1131 1132
				cp.handle  = ev->handle;
				cp.encrypt = 0x01;
				hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT,
							sizeof(cp), &cp);
L
Linus Torvalds 已提交
1133 1134 1135 1136 1137 1138 1139 1140 1141 1142
			} else {
				clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend);
				hci_encrypt_cfm(conn, ev->status, 0x00);
			}
		}
	}

	hci_dev_unlock(hdev);
}

1143
static inline void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb)
L
Linus Torvalds 已提交
1144
{
1145 1146 1147
	struct hci_ev_remote_name *ev = (void *) skb->data;
	struct hci_conn *conn;

1148
	BT_DBG("%s", hdev->name);
L
Linus Torvalds 已提交
1149

1150
	hci_conn_check_pending(hdev);
1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
	if (conn && hci_outgoing_auth_needed(hdev, conn)) {
		struct hci_cp_auth_requested cp;
		cp.handle = __cpu_to_le16(conn->handle);
		hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
	}

	hci_dev_unlock(hdev);
1162 1163 1164 1165 1166 1167 1168 1169
}

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

	BT_DBG("%s status %d", hdev->name, ev->status);
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	hci_dev_lock(hdev);

1173
	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
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	if (conn) {
		if (!ev->status) {
1176 1177 1178
			if (ev->encrypt) {
				/* Encryption implies authentication */
				conn->link_mode |= HCI_LM_AUTH;
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				conn->link_mode |= HCI_LM_ENCRYPT;
1180
			} else
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				conn->link_mode &= ~HCI_LM_ENCRYPT;
		}

		clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend);

1186 1187 1188 1189 1190 1191 1192 1193
		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);
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	}

	hci_dev_unlock(hdev);
}

1199
static inline void hci_change_link_key_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
L
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{
1201
	struct hci_ev_change_link_key_complete *ev = (void *) skb->data;
1202
	struct hci_conn *conn;
L
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1203 1204 1205 1206 1207

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

	hci_dev_lock(hdev);

1208
	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
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	if (conn) {
		if (!ev->status)
			conn->link_mode |= HCI_LM_SECURE;

		clear_bit(HCI_CONN_AUTH_PEND, &conn->pend);

		hci_key_change_cfm(conn, ev->status);
	}

	hci_dev_unlock(hdev);
}

1221
static inline void hci_remote_features_evt(struct hci_dev *hdev, struct sk_buff *skb)
L
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1222
{
1223 1224 1225 1226 1227 1228 1229 1230
	struct hci_ev_remote_features *ev = (void *) skb->data;
	struct hci_conn *conn;

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

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1231 1232
	if (!conn)
		goto unlock;
1233

1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244
	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,
1245
							sizeof(cp), &cp);
1246 1247 1248
		goto unlock;
	}

1249 1250 1251 1252 1253 1254 1255
	if (!ev->status) {
		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);
	}
1256

1257
	if (!hci_outgoing_auth_needed(hdev, conn)) {
1258 1259 1260
		conn->state = BT_CONNECTED;
		hci_proto_connect_cfm(conn, ev->status);
		hci_conn_put(conn);
1261
	}
1262

1263
unlock:
1264
	hci_dev_unlock(hdev);
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}

1267
static inline void hci_remote_version_evt(struct hci_dev *hdev, struct sk_buff *skb)
L
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{
1269
	BT_DBG("%s", hdev->name);
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}

1272
static inline void hci_qos_setup_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
L
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1273
{
1274
	BT_DBG("%s", hdev->name);
L
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}

1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302
static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
	struct hci_ev_cmd_complete *ev = (void *) skb->data;
	__u16 opcode;

	skb_pull(skb, sizeof(*ev));

	opcode = __le16_to_cpu(ev->opcode);

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

	case HCI_OP_EXIT_PERIODIC_INQ:
		hci_cc_exit_periodic_inq(hdev, skb);
		break;

	case HCI_OP_REMOTE_NAME_REQ_CANCEL:
		hci_cc_remote_name_req_cancel(hdev, skb);
		break;

	case HCI_OP_ROLE_DISCOVERY:
		hci_cc_role_discovery(hdev, skb);
		break;

1303 1304 1305 1306
	case HCI_OP_READ_LINK_POLICY:
		hci_cc_read_link_policy(hdev, skb);
		break;

1307 1308 1309 1310
	case HCI_OP_WRITE_LINK_POLICY:
		hci_cc_write_link_policy(hdev, skb);
		break;

1311 1312 1313 1314 1315 1316 1317 1318
	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;

1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362
	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;

1363 1364 1365 1366 1367 1368 1369 1370
	case HCI_OP_READ_SSP_MODE:
		hci_cc_read_ssp_mode(hdev, skb);
		break;

	case HCI_OP_WRITE_SSP_MODE:
		hci_cc_write_ssp_mode(hdev, skb);
		break;

1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390
	case HCI_OP_READ_LOCAL_VERSION:
		hci_cc_read_local_version(hdev, skb);
		break;

	case HCI_OP_READ_LOCAL_COMMANDS:
		hci_cc_read_local_commands(hdev, skb);
		break;

	case HCI_OP_READ_LOCAL_FEATURES:
		hci_cc_read_local_features(hdev, skb);
		break;

	case HCI_OP_READ_BUFFER_SIZE:
		hci_cc_read_buffer_size(hdev, skb);
		break;

	case HCI_OP_READ_BD_ADDR:
		hci_cc_read_bd_addr(hdev, skb);
		break;

1391 1392 1393 1394
	case HCI_OP_WRITE_CA_TIMEOUT:
		hci_cc_write_ca_timeout(hdev, skb);
		break;

1395 1396 1397 1398 1399 1400 1401 1402
	default:
		BT_DBG("%s opcode 0x%x", hdev->name, opcode);
		break;
	}

	if (ev->ncmd) {
		atomic_set(&hdev->cmd_cnt, 1);
		if (!skb_queue_empty(&hdev->cmd_q))
1403
			tasklet_schedule(&hdev->cmd_task);
1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428
	}
}

static inline void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
	struct hci_ev_cmd_status *ev = (void *) skb->data;
	__u16 opcode;

	skb_pull(skb, sizeof(*ev));

	opcode = __le16_to_cpu(ev->opcode);

	switch (opcode) {
	case HCI_OP_INQUIRY:
		hci_cs_inquiry(hdev, ev->status);
		break;

	case HCI_OP_CREATE_CONN:
		hci_cs_create_conn(hdev, ev->status);
		break;

	case HCI_OP_ADD_SCO:
		hci_cs_add_sco(hdev, ev->status);
		break;

1429 1430 1431 1432 1433 1434 1435 1436
	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;

1437 1438 1439 1440
	case HCI_OP_REMOTE_NAME_REQ:
		hci_cs_remote_name_req(hdev, ev->status);
		break;

1441 1442 1443 1444 1445 1446 1447 1448
	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;

1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468
	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;

	default:
		BT_DBG("%s opcode 0x%x", hdev->name, opcode);
		break;
	}

	if (ev->ncmd) {
		atomic_set(&hdev->cmd_cnt, 1);
		if (!skb_queue_empty(&hdev->cmd_q))
1469
			tasklet_schedule(&hdev->cmd_task);
1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519
	}
}

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

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

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
	if (conn) {
		if (!ev->status) {
			if (ev->role)
				conn->link_mode &= ~HCI_LM_MASTER;
			else
				conn->link_mode |= HCI_LM_MASTER;
		}

		clear_bit(HCI_CONN_RSWITCH_PEND, &conn->pend);

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

	hci_dev_unlock(hdev);
}

static inline void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
	struct hci_ev_num_comp_pkts *ev = (void *) skb->data;
	__le16 *ptr;
	int i;

	skb_pull(skb, sizeof(*ev));

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

	if (skb->len < ev->num_hndl * 4) {
		BT_DBG("%s bad parameters", hdev->name);
		return;
	}

	tasklet_disable(&hdev->tx_task);

	for (i = 0, ptr = (__le16 *) skb->data; i < ev->num_hndl; i++) {
		struct hci_conn *conn;
		__u16  handle, count;

1520 1521
		handle = get_unaligned_le16(ptr++);
		count  = get_unaligned_le16(ptr++);
1522 1523 1524 1525 1526 1527

		conn = hci_conn_hash_lookup_handle(hdev, handle);
		if (conn) {
			conn->sent -= count;

			if (conn->type == ACL_LINK) {
1528 1529
				hdev->acl_cnt += count;
				if (hdev->acl_cnt > hdev->acl_pkts)
1530 1531
					hdev->acl_cnt = hdev->acl_pkts;
			} else {
1532 1533
				hdev->sco_cnt += count;
				if (hdev->sco_cnt > hdev->sco_pkts)
1534 1535 1536 1537 1538
					hdev->sco_cnt = hdev->sco_pkts;
			}
		}
	}

1539
	tasklet_schedule(&hdev->tx_task);
1540 1541 1542 1543 1544

	tasklet_enable(&hdev->tx_task);
}

static inline void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
1545
{
1546
	struct hci_ev_mode_change *ev = (void *) skb->data;
1547 1548 1549 1550 1551 1552 1553
	struct hci_conn *conn;

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

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1554 1555 1556 1557 1558 1559 1560 1561 1562 1563
	if (conn) {
		conn->mode = ev->mode;
		conn->interval = __le16_to_cpu(ev->interval);

		if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend)) {
			if (conn->mode == HCI_CM_ACTIVE)
				conn->power_save = 1;
			else
				conn->power_save = 0;
		}
1564 1565 1566

		if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->pend))
			hci_sco_setup(conn, ev->status);
1567 1568 1569 1570 1571
	}

	hci_dev_unlock(hdev);
}

1572 1573
static inline void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
1574 1575 1576
	struct hci_ev_pin_code_req *ev = (void *) skb->data;
	struct hci_conn *conn;

1577
	BT_DBG("%s", hdev->name);
1578 1579 1580 1581

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
1582
	if (conn && conn->state == BT_CONNECTED) {
1583 1584 1585 1586 1587 1588
		hci_conn_hold(conn);
		conn->disc_timeout = HCI_PAIRING_TIMEOUT;
		hci_conn_put(conn);
	}

	hci_dev_unlock(hdev);
1589 1590 1591 1592 1593 1594 1595 1596 1597
}

static inline void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
	BT_DBG("%s", hdev->name);
}

static inline void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
1598 1599 1600
	struct hci_ev_link_key_notify *ev = (void *) skb->data;
	struct hci_conn *conn;

1601
	BT_DBG("%s", hdev->name);
1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612

	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;
		hci_conn_put(conn);
	}

	hci_dev_unlock(hdev);
1613 1614
}

L
Linus Torvalds 已提交
1615 1616
static inline void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
1617
	struct hci_ev_clock_offset *ev = (void *) skb->data;
1618
	struct hci_conn *conn;
L
Linus Torvalds 已提交
1619 1620 1621 1622 1623

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

	hci_dev_lock(hdev);

1624
	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
L
Linus Torvalds 已提交
1625 1626 1627
	if (conn && !ev->status) {
		struct inquiry_entry *ie;

1628 1629
		ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
		if (ie) {
L
Linus Torvalds 已提交
1630 1631 1632 1633 1634 1635 1636 1637
			ie->data.clock_offset = ev->clock_offset;
			ie->timestamp = jiffies;
		}
	}

	hci_dev_unlock(hdev);
}

1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653
static inline void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
	struct hci_ev_pkt_type_change *ev = (void *) skb->data;
	struct hci_conn *conn;

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

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
	if (conn && !ev->status)
		conn->pkt_type = __le16_to_cpu(ev->pkt_type);

	hci_dev_unlock(hdev);
}

1654 1655
static inline void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
1656
	struct hci_ev_pscan_rep_mode *ev = (void *) skb->data;
1657 1658 1659 1660 1661 1662
	struct inquiry_entry *ie;

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

	hci_dev_lock(hdev);

1663 1664
	ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
	if (ie) {
1665 1666 1667 1668 1669 1670 1671
		ie->data.pscan_rep_mode = ev->pscan_rep_mode;
		ie->timestamp = jiffies;
	}

	hci_dev_unlock(hdev);
}

1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694
static inline void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
	struct inquiry_data data;
	int num_rsp = *((__u8 *) skb->data);

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

	if (!num_rsp)
		return;

	hci_dev_lock(hdev);

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

		for (; num_rsp; num_rsp--) {
			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;
1695
			data.ssp_mode		= 0x00;
1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709
			info++;
			hci_inquiry_cache_update(hdev, &data);
		}
	} else {
		struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);

		for (; num_rsp; num_rsp--) {
			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;
1710
			data.ssp_mode		= 0x00;
1711 1712 1713 1714 1715 1716 1717 1718 1719 1720
			info++;
			hci_inquiry_cache_update(hdev, &data);
		}
	}

	hci_dev_unlock(hdev);
}

static inline void hci_remote_ext_features_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
1721 1722 1723
	struct hci_ev_remote_ext_features *ev = (void *) skb->data;
	struct hci_conn *conn;

1724
	BT_DBG("%s", hdev->name);
1725 1726 1727 1728

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1729 1730
	if (!conn)
		goto unlock;
1731

1732 1733
	if (!ev->status && ev->page == 0x01) {
		struct inquiry_entry *ie;
1734

1735 1736
		ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
		if (ie)
1737
			ie->data.ssp_mode = (ev->features[0] & 0x01);
1738

1739 1740 1741 1742 1743 1744
		conn->ssp_mode = (ev->features[0] & 0x01);
	}

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

1745 1746 1747 1748 1749 1750 1751
	if (!ev->status) {
		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);
	}
1752

1753
	if (!hci_outgoing_auth_needed(hdev, conn)) {
1754 1755 1756
		conn->state = BT_CONNECTED;
		hci_proto_connect_cfm(conn, ev->status);
		hci_conn_put(conn);
1757 1758
	}

1759
unlock:
1760
	hci_dev_unlock(hdev);
1761 1762 1763 1764
}

static inline void hci_sync_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
1765 1766 1767 1768 1769 1770 1771 1772
	struct hci_ev_sync_conn_complete *ev = (void *) skb->data;
	struct hci_conn *conn;

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

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
1773 1774 1775 1776 1777 1778 1779 1780 1781 1782
	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;
	}
1783

1784 1785
	switch (ev->status) {
	case 0x00:
1786 1787
		conn->handle = __le16_to_cpu(ev->handle);
		conn->state  = BT_CONNECTED;
1788

1789
		hci_conn_hold_device(conn);
1790
		hci_conn_add_sysfs(conn);
1791 1792
		break;

1793
	case 0x11:	/* Unsupported Feature or Parameter Value */
1794
	case 0x1c:	/* SCO interval rejected */
1795
	case 0x1a:	/* Unsupported Remote Feature */
1796 1797 1798 1799 1800 1801 1802 1803 1804 1805
	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:
1806
		conn->state = BT_CLOSED;
1807 1808
		break;
	}
1809 1810 1811 1812 1813 1814 1815

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

unlock:
	hci_dev_unlock(hdev);
1816 1817 1818 1819 1820 1821 1822
}

static inline void hci_sync_conn_changed_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
	BT_DBG("%s", hdev->name);
}

1823 1824
static inline void hci_sniff_subrate_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
1825
	struct hci_ev_sniff_subrate *ev = (void *) skb->data;
1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838
	struct hci_conn *conn;

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

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
	if (conn) {
	}

	hci_dev_unlock(hdev);
}

1839
static inline void hci_extended_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
L
Linus Torvalds 已提交
1840
{
1841 1842 1843
	struct inquiry_data data;
	struct extended_inquiry_info *info = (void *) (skb->data + 1);
	int num_rsp = *((__u8 *) skb->data);
L
Linus Torvalds 已提交
1844

1845
	BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
L
Linus Torvalds 已提交
1846

1847 1848
	if (!num_rsp)
		return;
L
Linus Torvalds 已提交
1849

1850 1851 1852 1853 1854 1855 1856 1857 1858 1859
	hci_dev_lock(hdev);

	for (; num_rsp; num_rsp--) {
		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;
1860
		data.ssp_mode		= 0x01;
1861 1862 1863 1864 1865 1866
		info++;
		hci_inquiry_cache_update(hdev, &data);
	}

	hci_dev_unlock(hdev);
}
L
Linus Torvalds 已提交
1867

1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899
static inline void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
	struct hci_ev_io_capa_request *ev = (void *) skb->data;
	struct hci_conn *conn;

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

	hci_dev_lock(hdev);

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

	hci_dev_unlock(hdev);
}

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

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

	hci_dev_lock(hdev);

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

	hci_dev_unlock(hdev);
}

1900 1901 1902 1903 1904 1905 1906 1907 1908
static inline void hci_remote_host_features_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
	struct hci_ev_remote_host_features *ev = (void *) skb->data;
	struct inquiry_entry *ie;

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

	hci_dev_lock(hdev);

1909 1910
	ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
	if (ie)
1911 1912 1913 1914 1915
		ie->data.ssp_mode = (ev->features[0] & 0x01);

	hci_dev_unlock(hdev);
}

1916 1917 1918 1919 1920 1921 1922 1923
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
1924 1925 1926 1927 1928 1929 1930 1931
	case HCI_EV_INQUIRY_COMPLETE:
		hci_inquiry_complete_evt(hdev, skb);
		break;

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

1932 1933
	case HCI_EV_CONN_COMPLETE:
		hci_conn_complete_evt(hdev, skb);
1934 1935
		break;

L
Linus Torvalds 已提交
1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947
	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;

1948 1949 1950 1951
	case HCI_EV_REMOTE_NAME:
		hci_remote_name_evt(hdev, skb);
		break;

L
Linus Torvalds 已提交
1952 1953 1954 1955
	case HCI_EV_ENCRYPT_CHANGE:
		hci_encrypt_change_evt(hdev, skb);
		break;

1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989
	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
1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007
		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;

2008 2009 2010 2011
	case HCI_EV_PKT_TYPE_CHANGE:
		hci_pkt_type_change_evt(hdev, skb);
		break;

2012 2013 2014 2015
	case HCI_EV_PSCAN_REP_MODE:
		hci_pscan_rep_mode_evt(hdev, skb);
		break;

2016 2017
	case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
		hci_inquiry_result_with_rssi_evt(hdev, skb);
2018 2019
		break;

2020 2021
	case HCI_EV_REMOTE_EXT_FEATURES:
		hci_remote_ext_features_evt(hdev, skb);
L
Linus Torvalds 已提交
2022 2023
		break;

2024 2025 2026
	case HCI_EV_SYNC_CONN_COMPLETE:
		hci_sync_conn_complete_evt(hdev, skb);
		break;
L
Linus Torvalds 已提交
2027

2028 2029 2030
	case HCI_EV_SYNC_CONN_CHANGED:
		hci_sync_conn_changed_evt(hdev, skb);
		break;
L
Linus Torvalds 已提交
2031

2032 2033 2034
	case HCI_EV_SNIFF_SUBRATE:
		hci_sniff_subrate_evt(hdev, skb);
		break;
L
Linus Torvalds 已提交
2035

2036 2037 2038
	case HCI_EV_EXTENDED_INQUIRY_RESULT:
		hci_extended_inquiry_result_evt(hdev, skb);
		break;
L
Linus Torvalds 已提交
2039

2040 2041 2042 2043 2044 2045 2046 2047
	case HCI_EV_IO_CAPA_REQUEST:
		hci_io_capa_request_evt(hdev, skb);
		break;

	case HCI_EV_SIMPLE_PAIR_COMPLETE:
		hci_simple_pair_complete_evt(hdev, skb);
		break;

2048 2049 2050 2051
	case HCI_EV_REMOTE_HOST_FEATURES:
		hci_remote_host_features_evt(hdev, skb);
		break;

2052 2053
	default:
		BT_DBG("%s event 0x%x", hdev->name, event);
L
Linus Torvalds 已提交
2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079
		break;
	}

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

/* Generate internal stack event */
void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data)
{
	struct hci_event_hdr *hdr;
	struct hci_ev_stack_internal *ev;
	struct sk_buff *skb;

	skb = bt_skb_alloc(HCI_EVENT_HDR_SIZE + sizeof(*ev) + dlen, GFP_ATOMIC);
	if (!skb)
		return;

	hdr = (void *) skb_put(skb, HCI_EVENT_HDR_SIZE);
	hdr->evt  = HCI_EV_STACK_INTERNAL;
	hdr->plen = sizeof(*ev) + dlen;

	ev  = (void *) skb_put(skb, sizeof(*ev) + dlen);
	ev->type = type;
	memcpy(ev->data, data, dlen);

2080
	bt_cb(skb)->incoming = 1;
2081
	__net_timestamp(skb);
2082

2083
	bt_cb(skb)->pkt_type = HCI_EVENT_PKT;
L
Linus Torvalds 已提交
2084 2085 2086 2087
	skb->dev = (void *) hdev;
	hci_send_to_sock(hdev, skb);
	kfree_skb(skb);
}
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