diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 5adb3d1..ce1efa4 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -61,6 +61,7 @@
 #include <linux/crc32.h>
 #include <linux/nsproxy.h>
 #include <linux/virtio_net.h>
+#include <linux/rcupdate.h>
 #include <net/net_namespace.h>
 #include <net/netns/generic.h>
 #include <net/rtnetlink.h>
@@ -366,6 +367,10 @@
 	if (!check_filter(&tun->txflt, skb))
 		goto drop;
 
+	if (tun->socket.sk->sk_filter &&
+	    sk_filter(tun->socket.sk, skb))
+		goto drop;
+
 	if (skb_queue_len(&tun->socket.sk->sk_receive_queue) >= dev->tx_queue_len) {
 		if (!(tun->flags & TUN_ONE_QUEUE)) {
 			/* Normal queueing mode. */
@@ -1162,6 +1167,7 @@
 	struct tun_file *tfile = file->private_data;
 	struct tun_struct *tun;
 	void __user* argp = (void __user*)arg;
+	struct sock_fprog fprog;
 	struct ifreq ifr;
 	int sndbuf;
 	int ret;
@@ -1309,6 +1315,26 @@
 		tun->socket.sk->sk_sndbuf = sndbuf;
 		break;
 
+	case TUNATTACHFILTER:
+		/* Can be set only for TAPs */
+		ret = -EINVAL;
+		if ((tun->flags & TUN_TYPE_MASK) != TUN_TAP_DEV)
+			break;
+		ret = -EFAULT;
+		if (copy_from_user(&fprog, argp, sizeof(fprog)))
+			break;
+
+		ret = sk_attach_filter(&fprog, tun->socket.sk);
+		break;
+
+	case TUNDETACHFILTER:
+		/* Can be set only for TAPs */
+		ret = -EINVAL;
+		if ((tun->flags & TUN_TYPE_MASK) != TUN_TAP_DEV)
+			break;
+		ret = sk_detach_filter(tun->socket.sk);
+		break;
+
 	default:
 		ret = -EINVAL;
 		break;