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-rw-r--r--net/bluetooth/af_bluetooth.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c
index 88afe25..77fe9b8 100644
--- a/net/bluetooth/af_bluetooth.c
+++ b/net/bluetooth/af_bluetooth.c
@@ -335,11 +335,34 @@ EXPORT_SYMBOL(bt_sock_poll);
int bt_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
{
struct sock *sk = sock->sk;
+ struct sk_buff *skb;
+ long amount;
int err;
BT_DBG("sk %p cmd %x arg %lx", sk, cmd, arg);
switch (cmd) {
+ case TIOCOUTQ:
+ if (sk->sk_state == BT_LISTEN)
+ return -EINVAL;
+
+ amount = sk->sk_sndbuf - atomic_read(&sk->sk_wmem_alloc);
+ if (amount < 0)
+ amount = 0;
+ err = put_user(amount, (int __user *) arg);
+ break;
+
+ case TIOCINQ:
+ if (sk->sk_state == BT_LISTEN)
+ return -EINVAL;
+
+ lock_sock(sk);
+ skb = skb_peek(&sk->sk_receive_queue);
+ amount = skb ? skb->len : 0;
+ release_sock(sk);
+ err = put_user(amount, (int __user *) arg);
+ break;
+
case SIOCGSTAMP:
err = sock_get_timestamp(sk, (struct timeval __user *) arg);
break;
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