BD_FLG_TCP_UDP_SUM
ap->rx_std_ring[i].flags = BD_FLG_TCP_UDP_SUM;
ap->rx_jumbo_ring[i].flags = BD_FLG_TCP_UDP_SUM | BD_FLG_JUMBO;
BD_FLG_TCP_UDP_SUM | BD_FLG_MINI;
if (bd_flags & BD_FLG_TCP_UDP_SUM) {
flagsize |= BD_FLG_TCP_UDP_SUM;
flagsize |= BD_FLG_TCP_UDP_SUM;
flagsize |= BD_FLG_TCP_UDP_SUM;