diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c
index c8b7dc2..32b8270 100644
--- a/net/appletalk/ddp.c
+++ b/net/appletalk/ddp.c
@@ -1771,6 +1771,9 @@
 		case SIOCGSTAMP:
 			rc = sock_get_timestamp(sk, argp);
 			break;
+		case SIOCGSTAMPNS:
+			rc = sock_get_timestampns(sk, argp);
+			break;
 		/* Routing */
 		case SIOCADDRT:
 		case SIOCDELRT:
diff --git a/net/atm/ioctl.c b/net/atm/ioctl.c
index 8ccee45..7afd8e7 100644
--- a/net/atm/ioctl.c
+++ b/net/atm/ioctl.c
@@ -82,6 +82,9 @@
 		case SIOCGSTAMP: /* borrowed from IP */
 			error = sock_get_timestamp(sk, argp);
 			goto done;
+		case SIOCGSTAMPNS: /* borrowed from IP */
+			error = sock_get_timestampns(sk, argp);
+			goto done;
 		case ATM_SETSC:
 			printk(KERN_WARNING "ATM_SETSC is obsolete\n");
 			error = 0;
diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c
index 1c07c6a..62605dc5a 100644
--- a/net/ax25/af_ax25.c
+++ b/net/ax25/af_ax25.c
@@ -1711,6 +1711,10 @@
 		res = sock_get_timestamp(sk, argp);
 		break;
 
+	case SIOCGSTAMPNS:
+		res = sock_get_timestampns(sk, argp);
+		break;
+
 	case SIOCAX25ADDUID:	/* Add a uid to the uid/call map table */
 	case SIOCAX25DELUID:	/* Delete a uid from the uid/call map table */
 	case SIOCAX25GETUID: {
diff --git a/net/compat.c b/net/compat.c
index 17c2710..2fc6d9b 100644
--- a/net/compat.c
+++ b/net/compat.c
@@ -564,6 +564,30 @@
 }
 EXPORT_SYMBOL(compat_sock_get_timestamp);
 
+int compat_sock_get_timestampns(struct sock *sk, struct timespec __user *userstamp)
+{
+	struct compat_timespec __user *ctv =
+			(struct compat_timespec __user*) userstamp;
+	int err = -ENOENT;
+	struct timespec ts;
+
+	if (!sock_flag(sk, SOCK_TIMESTAMP))
+		sock_enable_timestamp(sk);
+	ts = ktime_to_timespec(sk->sk_stamp);
+	if (ts.tv_sec == -1)
+		return err;
+	if (ts.tv_sec == 0) {
+		sk->sk_stamp = ktime_get_real();
+		ts = ktime_to_timespec(sk->sk_stamp);
+	}
+	err = 0;
+	if (put_user(ts.tv_sec, &ctv->tv_sec) ||
+			put_user(ts.tv_nsec, &ctv->tv_nsec))
+		err = -EFAULT;
+	return err;
+}
+EXPORT_SYMBOL(compat_sock_get_timestampns);
+
 asmlinkage long compat_sys_getsockopt(int fd, int level, int optname,
 				char __user *optval, int __user *optlen)
 {
diff --git a/net/core/sock.c b/net/core/sock.c
index 6ddb366..cb48fa0 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1567,6 +1567,22 @@
 }
 EXPORT_SYMBOL(sock_get_timestamp);
 
+int sock_get_timestampns(struct sock *sk, struct timespec __user *userstamp)
+{
+	struct timespec ts;
+	if (!sock_flag(sk, SOCK_TIMESTAMP))
+		sock_enable_timestamp(sk);
+	ts = ktime_to_timespec(sk->sk_stamp);
+	if (ts.tv_sec == -1)
+		return -ENOENT;
+	if (ts.tv_sec == 0) {
+		sk->sk_stamp = ktime_get_real();
+		ts = ktime_to_timespec(sk->sk_stamp);
+	}
+	return copy_to_user(userstamp, &ts, sizeof(ts)) ? -EFAULT : 0;
+}
+EXPORT_SYMBOL(sock_get_timestampns);
+
 void sock_enable_timestamp(struct sock *sk)
 {
 	if (!sock_flag(sk, SOCK_TIMESTAMP)) {
diff --git a/net/econet/af_econet.c b/net/econet/af_econet.c
index f573edd..487f879 100644
--- a/net/econet/af_econet.c
+++ b/net/econet/af_econet.c
@@ -727,6 +727,9 @@
 		case SIOCGSTAMP:
 			return sock_get_timestamp(sk, argp);
 
+		case SIOCGSTAMPNS:
+			return sock_get_timestampns(sk, argp);
+
 		case SIOCSIFADDR:
 		case SIOCGIFADDR:
 			return ec_dev_ioctl(sock, cmd, argp);
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index cf358c8..df41856 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -755,6 +755,9 @@
 		case SIOCGSTAMP:
 			err = sock_get_timestamp(sk, (struct timeval __user *)arg);
 			break;
+		case SIOCGSTAMPNS:
+			err = sock_get_timestampns(sk, (struct timespec __user *)arg);
+			break;
 		case SIOCADDRT:
 		case SIOCDELRT:
 		case SIOCRTMSG:
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index fed3758..2ff0704 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -443,6 +443,9 @@
 	case SIOCGSTAMP:
 		return sock_get_timestamp(sk, (struct timeval __user *)arg);
 
+	case SIOCGSTAMPNS:
+		return sock_get_timestampns(sk, (struct timespec __user *)arg);
+
 	case SIOCADDRT:
 	case SIOCDELRT:
 
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index bf9837d..a54e7ef 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -1209,6 +1209,12 @@
 		release_sock(sk);
 		return ret;
 
+	case SIOCGSTAMPNS:
+		lock_sock(sk);
+		ret = sock_get_timestampns(sk, argp);
+		release_sock(sk);
+		return ret;
+
 	case SIOCGIFADDR:
 	case SIOCSIFADDR:
 	case SIOCGIFDSTADDR:
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index f9866a8..6f8c72d 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -1545,6 +1545,8 @@
 		}
 		case SIOCGSTAMP:
 			return sock_get_timestamp(sk, (struct timeval __user *)arg);
+		case SIOCGSTAMPNS:
+			return sock_get_timestampns(sk, (struct timespec __user *)arg);
 
 #ifdef CONFIG_INET
 		case SIOCADDRT:
diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index f92d531..f64be93 100644
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -1296,6 +1296,9 @@
 	case SIOCGSTAMP:
 		return sock_get_timestamp(sk, (struct timeval __user *) argp);
 
+	case SIOCGSTAMPNS:
+		return sock_get_timestampns(sk, (struct timespec __user *) argp);
+
 	case SIOCGIFADDR:
 	case SIOCSIFADDR:
 	case SIOCGIFDSTADDR:
diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
index e62ba41..a198843 100644
--- a/net/x25/af_x25.c
+++ b/net/x25/af_x25.c
@@ -1280,6 +1280,12 @@
 				rc = sock_get_timestamp(sk,
 						(struct timeval __user *)argp);
 			break;
+		case SIOCGSTAMPNS:
+			rc = -EINVAL;
+			if (sk)
+				rc = sock_get_timestampns(sk,
+						(struct timespec __user *)argp);
+			break;
 		case SIOCGIFADDR:
 		case SIOCSIFADDR:
 		case SIOCGIFDSTADDR:
@@ -1521,6 +1527,12 @@
 			rc = compat_sock_get_timestamp(sk,
 					(struct timeval __user*)argp);
 		break;
+	case SIOCGSTAMPNS:
+		rc = -EINVAL;
+		if (sk)
+			rc = compat_sock_get_timestampns(sk,
+					(struct timespec __user*)argp);
+		break;
 	case SIOCGIFADDR:
 	case SIOCSIFADDR:
 	case SIOCGIFDSTADDR: