diff mbox series

[v4,13/14] Bluetooth: Implment MSFT avdtp close command

Message ID 20211119082027.12809-13-kiran.k@intel.com (mailing list archive)
State Changes Requested
Headers show
Series [v4,01/14] Bluetooth: Refactor code to read supported codecs in getsockopt | expand

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Commit Message

K, Kiran Nov. 19, 2021, 8:20 a.m. UTC 
In a2dp offload use case, to tear down streaming,
controller needs to sent MSFT avdtp close command. Allow BlueZ
daemon to send MSFT avdtp close command via setsockopt.

Signed-off-by: Kiran K <kiran.k@intel.com>
Reviewed-by: Chethan T N <chethan.tumkur.narayan@intel.com>
Reviewed-by: Srivatsa Ravishankar <ravishankar.srivatsa@intel.com>
---
 net/bluetooth/msft.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
diff mbox series

Patch

diff --git a/net/bluetooth/msft.c b/net/bluetooth/msft.c
index b505b32289f8..20638254a396 100644
--- a/net/bluetooth/msft.c
+++ b/net/bluetooth/msft.c
@@ -139,6 +139,12 @@  struct msft_cp_avdtp_suspend {
 	__le16	avdtp_handle;
 } __packed;
 
+#define MSFT_OP_AVDTP_CLOSE			0x0B
+struct msft_cp_avdtp_close {
+	u8	sub_opcode;
+	__le16	avdtp_handle;
+} __packed;
+
 static int __msft_add_monitor_pattern(struct hci_dev *hdev,
 				      struct adv_monitor *monitor);
 static int __msft_remove_monitor(struct hci_dev *hdev,
@@ -922,6 +928,21 @@  static int msft_avdtp_suspend(struct hci_dev *hdev, struct sock *sk)
 	return hci_send_cmd(hdev, MSFT_OP_AVDTP, sizeof(cmd), &cmd);
 }
 
+static int msft_avdtp_close(struct hci_dev *hdev, struct sock *sk)
+{
+	struct msft_cp_avdtp_close cmd;
+
+	if (!bt_sk(sk)->avdtp_handle)
+		return -EBADFD;
+
+	cmd.sub_opcode = MSFT_OP_AVDTP_CLOSE;
+	cmd.avdtp_handle = cpu_to_le16(bt_sk(sk)->avdtp_handle);
+
+	bt_sk(sk)->avdtp_handle = 0;
+
+	return hci_send_cmd(hdev, MSFT_OP_AVDTP, sizeof(cmd), &cmd);
+}
+
 int msft_avdtp_cmd(struct hci_dev *hdev, struct l2cap_chan *chan,
 		   sockptr_t optval, int optlen,
 		   struct sock *sk)
@@ -964,6 +985,10 @@  int msft_avdtp_cmd(struct hci_dev *hdev, struct l2cap_chan *chan,
 		err = msft_avdtp_suspend(hdev, sk);
 		break;
 
+	case MSFT_OP_AVDTP_CLOSE:
+		err = msft_avdtp_close(hdev, sk);
+		break;
+
 	default:
 		err = -EINVAL;
 		bt_dev_err(hdev, "Invalid MSFT avdtp sub opcode = 0x%2.2x",
@@ -1023,6 +1048,7 @@  void msft_cc_avdtp(struct hci_dev *hdev, struct sk_buff *skb)
 
 	case MSFT_OP_AVDTP_START:
 	case MSFT_OP_AVDTP_SUSPEND:
+	case MSFT_OP_AVDTP_CLOSE:
 		break;
 
 	default: