In a2dp offload use case, to suspend streaming,
controller needs to sent MSFT avdtp suspend command. Allow BlueZ
daemon to send MSFT avdtp suspend command via setsockopt.
Signed-off-by: Kiran K <kiran.k@xxxxxxxxx>
Reviewed-by: Chethan T N <chethan.tumkur.narayan@xxxxxxxxx>
Reviewed-by: Srivatsa Ravishankar <ravishankar.srivatsa@xxxxxxxxx>
---
net/bluetooth/msft.c | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/net/bluetooth/msft.c b/net/bluetooth/msft.c
index e3f7503070a6..b505b32289f8 100644
--- a/net/bluetooth/msft.c
+++ b/net/bluetooth/msft.c
@@ -133,6 +133,12 @@ struct msft_cp_avdtp_start {
__le16 avdtp_handle;
} __packed;
+#define MSFT_OP_AVDTP_SUSPEND 0x0A
+struct msft_cp_avdtp_suspend {
+ 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,
@@ -903,6 +909,19 @@ static int msft_avdtp_start(struct hci_dev *hdev, struct sock *sk)
return hci_send_cmd(hdev, MSFT_OP_AVDTP, sizeof(cmd), &cmd);
}
+static int msft_avdtp_suspend(struct hci_dev *hdev, struct sock *sk)
+{
+ struct msft_cp_avdtp_suspend cmd;
+
+ if (!bt_sk(sk)->avdtp_handle)
+ return -EBADFD;
+
+ cmd.sub_opcode = MSFT_OP_AVDTP_SUSPEND;
+ cmd.avdtp_handle = cpu_to_le16(bt_sk(sk)->avdtp_handle);
+
+ 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)
@@ -941,6 +960,10 @@ int msft_avdtp_cmd(struct hci_dev *hdev, struct l2cap_chan *chan,
err = msft_avdtp_start(hdev, sk);
break;
+ case MSFT_OP_AVDTP_SUSPEND:
+ err = msft_avdtp_suspend(hdev, sk);
+ break;
+
default:
err = -EINVAL;
bt_dev_err(hdev, "Invalid MSFT avdtp sub opcode = 0x%2.2x",
@@ -999,6 +1022,7 @@ void msft_cc_avdtp(struct hci_dev *hdev, struct sk_buff *skb)
break;
case MSFT_OP_AVDTP_START:
+ case MSFT_OP_AVDTP_SUSPEND:
break;
default:
--
2.17.1
