1 files changed, 20 insertions, 0 deletions
diff --git a/src/platform/nm-netlink.c b/src/platform/nm-netlink.c
index 7d794f7737..0baaaf0b47 100644
--- a/src/platform/nm-netlink.c
+++ b/src/platform/nm-netlink.c
@@ -38,6 +38,10 @@
 #define NL_MSG_PEEK_EXPLICIT    (1<<4)
 #define NL_NO_AUTO_ACK          (1<<5)
 
+#ifndef NETLINK_EXT_ACK
+#define NETLINK_EXT_ACK         11
+#endif
+
 #define NL_MSG_CRED_PRESENT 1
 
 struct nl_msg {
@@ -933,6 +937,22 @@ nl_socket_add_memberships (struct nl_sock *sk, int group, ...)
 	return 0;
 }
 
+int
+nl_socket_set_ext_ack (struct nl_sock *sk, gboolean enable)
+{
+	int err;
+
+	if (sk->s_fd == -1)
+		return -NLE_BAD_SOCK;
+
+	enable = !!enable;
+	err = setsockopt (sk->s_fd, SOL_NETLINK, NETLINK_EXT_ACK, &enable, sizeof (enable));
+	if (err < 0)
+		return -nl_syserr2nlerr (errno);
+
+	return 0;
+}
+
 void nl_socket_disable_msg_peek (struct nl_sock *sk)
 {
 	sk->s_flags |= NL_MSG_PEEK_EXPLICIT;