UDP_ENCAP_GTP1U
else if (type == UDP_ENCAP_GTP1U)
sk1u = gtp_create_sock(UDP_ENCAP_GTP1U, gtp, nla, family);
sk1u = gtp_encap_enable_socket(fd1, UDP_ENCAP_GTP1U, gtp);
case UDP_ENCAP_GTP1U: