IDPF_TX_FLAGS_IPV4
off->tx_flags &= ~(IDPF_TX_FLAGS_IPV4 | IDPF_TX_FLAGS_IPV6);
off->tx_flags |= IDPF_TX_FLAGS_IPV4;
if (off->tx_flags & IDPF_TX_FLAGS_IPV4) {
offload.tx_flags |= IDPF_TX_FLAGS_IPV4;
if (off->tx_flags & IDPF_TX_FLAGS_IPV4) {