diff options
Diffstat (limited to 'net/bluetooth/af_bluetooth.c')
| -rw-r--r-- | net/bluetooth/af_bluetooth.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c index 88afe25003d8..77fe9b868fee 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; |