Bluetooth: Add support for HCI monitor channel
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>
diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index 1b634e1..60a4727 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -1320,6 +1320,7 @@
#define HCI_CHANNEL_RAW 0
#define HCI_CHANNEL_CONTROL 1
+#define HCI_CHANNEL_MONITOR 2
struct hci_filter {
unsigned long type_mask;
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 41adae5..094b5db 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -950,6 +950,7 @@
/* ----- 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);
diff --git a/include/net/bluetooth/hci_mon.h b/include/net/bluetooth/hci_mon.h
new file mode 100644
index 0000000..07a25c9
--- /dev/null
+++ b/include/net/bluetooth/hci_mon.h
@@ -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 */
