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Bluetooth: Add support for HCI monitor channel

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The HCI monitor channel can be used to monitor all packets and events
from the Bluetooth subsystem. The monitor is not bound to any specific
HCI device and allows even capturing multiple devices at the same time.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This commit is contained in:
Marcel Holtmann
2012-02-20 20:34:38 +01:00
committed by Johan Hedberg
parent 040030ef7d
commit cd82e61c11
5 changed files with 270 additions and 3 deletions
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1
include/net/bluetooth/hci.h
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@@ -1320,6 +1320,7 @@ struct sockaddr_hci {
#define HCI_CHANNEL_RAW 0
#define HCI_CHANNEL_CONTROL 1
#define HCI_CHANNEL_MONITOR 2
struct hci_filter {
unsigned long type_mask;

1
include/net/bluetooth/hci_core.h
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@@ -950,6 +950,7 @@ void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode);
/* ----- HCI Sockets ----- */
void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb);
void hci_send_to_control(struct sk_buff *skb, struct sock *skip_sk);
void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb);
void hci_sock_dev_event(struct hci_dev *hdev, int event);

51
include/net/bluetooth/hci_mon.h Normal file
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@@ -0,0 +1,51 @@
/*
BlueZ - Bluetooth protocol stack for Linux
Copyright (C) 2011-2012 Intel Corporation
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.
*/
#ifndef __HCI_MON_H
#define __HCI_MON_H
struct hci_mon_hdr {
__le16 opcode;
__le16 index;
__le16 len;
} __packed;
#define HCI_MON_HDR_SIZE 6
#define HCI_MON_NEW_INDEX 0
#define HCI_MON_DEL_INDEX 1
#define HCI_MON_COMMAND_PKT 2
#define HCI_MON_EVENT_PKT 3
#define HCI_MON_ACL_TX_PKT 4
#define HCI_MON_ACL_RX_PKT 5
#define HCI_MON_SCO_TX_PKT 6
#define HCI_MON_SCO_RX_PKT 7
struct hci_mon_new_index {
__u8 type;
__u8 bus;
bdaddr_t bdaddr;
char name[8];
} __packed;
#define HCI_MON_NEW_INDEX_SIZE 16
#endif /* __HCI_MON_H */