#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)
udp_sk(sk)->encap_destroy = cfg->encap_destroy;
#endif
+#ifdef HAVE_UDP_TUNNEL_SOCK_CFG_GRO_RECEIVE
+ udp_sk(sk)->gro_receive = cfg->gro_receive;
+ udp_sk(sk)->gro_complete = cfg->gro_complete;
+#endif
udp_tunnel_encap_enable(sock);
}