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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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13
net/bluetooth/hci_core.c
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@@ -2113,10 +2113,14 @@ static int hci_send_frame(struct sk_buff *skb)
BT_DBG("%s type %d len %d", hdev->name, bt_cb(skb)->pkt_type, skb->len);
if (atomic_read(&hdev->promisc)) {
/* Time stamp */
__net_timestamp(skb);
/* Time stamp */
__net_timestamp(skb);
/* Send copy to monitor */
hci_send_to_monitor(hdev, skb);
if (atomic_read(&hdev->promisc)) {
/* Send copy to the sockets */
hci_send_to_sock(hdev, skb);
}
@@ -2802,6 +2806,9 @@ static void hci_rx_work(struct work_struct *work)
BT_DBG("%s", hdev->name);
while ((skb = skb_dequeue(&hdev->rx_q))) {
/* Send copy to monitor */
hci_send_to_monitor(hdev, skb);
if (atomic_read(&hdev->promisc)) {
/* Send copy to the sockets */
hci_send_to_sock(hdev, skb);