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[v3,4/7] Bluetooth: Introduce HCI_MGMT_HDEV_OPTIONAL option

Message ID 32fc749671997c463575394666b2e003917355f5.1588751831.git.marcel@holtmann.org
State New
Headers show
Series [v3,1/7] Bluetooth: Add MGMT_EV_PHY_CONFIGURATION_CHANGED to supported list | expand

Commit Message

Marcel Holtmann May 6, 2020, 7:57 a.m. UTC 
When setting HCI_MGMT_HDEV_OPTIONAL it is possible to target a specific
conntroller or a global interface.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
---
 include/net/bluetooth/hci_core.h |  1 +
 net/bluetooth/hci_sock.c         | 12 +++++++-----
 2 files changed, 8 insertions(+), 5 deletions(-)
diff mbox series

Patch

diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 239ab72f16c6..0c7f3ad76665 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -1554,6 +1554,7 @@  void hci_sock_dev_event(struct hci_dev *hdev, int event);
 #define HCI_MGMT_NO_HDEV	BIT(1)
 #define HCI_MGMT_UNTRUSTED	BIT(2)
 #define HCI_MGMT_UNCONFIGURED	BIT(3)
+#define HCI_MGMT_HDEV_OPTIONAL	BIT(4)
 
 struct hci_mgmt_handler {
 	int (*func) (struct sock *sk, struct hci_dev *hdev, void *data,
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index 9c4a093f8960..caf38a8ea6a8 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -1579,11 +1579,13 @@  static int hci_mgmt_cmd(struct hci_mgmt_chan *chan, struct sock *sk,
 		}
 	}
 
-	no_hdev = (handler->flags & HCI_MGMT_NO_HDEV);
-	if (no_hdev != !hdev) {
-		err = mgmt_cmd_status(sk, index, opcode,
-				      MGMT_STATUS_INVALID_INDEX);
-		goto done;
+	if (!(handler->flags & HCI_MGMT_HDEV_OPTIONAL)) {
+		no_hdev = (handler->flags & HCI_MGMT_NO_HDEV);
+		if (no_hdev != !hdev) {
+			err = mgmt_cmd_status(sk, index, opcode,
+					      MGMT_STATUS_INVALID_INDEX);
+			goto done;
+		}
 	}
 
 	var_len = (handler->flags & HCI_MGMT_VAR_LEN);