LM_RX_FLAG_IS_IPV4_DATAGRAM
pkt->u1.rx.flags |= LM_RX_FLAG_IS_IPV4_DATAGRAM;
pkt_info->flags |= LM_RX_FLAG_IS_IPV4_DATAGRAM;
SET_FLAGS(pkt->l2pkt_rx_info->flags, LM_RX_FLAG_IS_IPV4_DATAGRAM);
LM_RX_FLAG_IS_IPV4_DATAGRAM :
if (!(((pkt->l2pkt_rx_info->flags & LM_RX_FLAG_IS_IPV4_DATAGRAM) && (hdr[9] == 0x2f)) ||