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Bluetooth: Add support for vendor specific diagnostic channel

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Introduce hci_recv_diag function for HCI drivers to allow sending vendor
specific diagnostic messages into the Bluetooth core stack. The messages
are not processed, but they are forwarded to the monitor channel and can
be retrieved by user space diagnostic tools.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This commit is contained in:
Marcel Holtmann 2015-10-07 16:38:35 +02:00 • committed by Johan Hedberg
parent 6c566dd5a1
commit e875ff8407
5 changed files with 21 additions and 0 deletions
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15
net/bluetooth/hci_core.c
View file

@ -3493,6 +3493,21 @@ int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb)
}
EXPORT_SYMBOL(hci_recv_frame);
/* Receive diagnostic message from HCI drivers */
int hci_recv_diag(struct hci_dev *hdev, struct sk_buff *skb)
{
/* Time stamp */
__net_timestamp(skb);
/* Mark as diagnostic packet and send to monitor */
bt_cb(skb)->pkt_type = HCI_DIAG_PKT;
hci_send_to_monitor(hdev, skb);
kfree_skb(skb);
return 0;
}
EXPORT_SYMBOL(hci_recv_diag);
/* ---- Interface to upper protocols ---- */
int hci_register_cb(struct hci_cb *cb)

3
net/bluetooth/hci_sock.c
View file

@ -279,6 +279,9 @@ void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb)
else
opcode = cpu_to_le16(HCI_MON_SCO_TX_PKT);
break;
case HCI_DIAG_PKT:
opcode = cpu_to_le16(HCI_MON_VENDOR_DIAG);
break;
default:
return;
}