@@ -23,6 +23,7 @@
/* Linux-specific socket ioctls */
#define SIOCINQ FIONREAD
#define SIOCOUTQ TIOCOUTQ /* output queue size (not sent + not acked) */
+#define SIOBKLGQ 0x8908
/* Routing table calls. */
#define SIOCADDRT 0x890B /* add routing table entry */
@@ -3186,6 +3186,7 @@ static int compat_sock_ioctl_trans(struct file *file, struct socket *sock,
case SIOCSIFVLAN:
case SIOCADDDLCI:
case SIOCDELDLCI:
+ case SIOBKLGQ:
return sock_ioctl(file, cmd, arg);
case SIOCGIFFLAGS:
@@ -2095,6 +2095,21 @@ static int unix_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
amount = unix_outq_len(sk);
err = put_user(amount, (int __user *)arg);
break;
+ case SIOBKLGQ:
+ if (sk->sk_state != TCP_LISTEN) {
+ err = -EINVAL;
+ break;
+ }
+ if (sk->sk_type != SOCK_STREAM &&
+ sk->sk_type != SOCK_SEQPACKET) {
+ err = -EINVAL;
+ break;
+ }
+ spin_lock(&sk->sk_receive_queue.lock);
+ amount = (long) skb_queue_len(&sock->sk->sk_receive_queue);
+ spin_unlock(&sk->sk_receive_queue.lock);
+ err = put_user(amount, (int __user *)arg);
+ break;
case SIOCINQ:
amount = unix_inq_len(sk);
if (amount < 0)
Signed-off-by: Roberto De Ioris <roberto@unbit.it> --- include/linux/sockios.h | 1 + net/socket.c | 1 + net/unix/af_unix.c | 15 +++++++++++++++ 3 files changed, 17 insertions(+), 0 deletions(-)