ETH_FCS_LEN
return (if_getmtu(pdata->netdev) + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN);
rx_buf_size = mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN;
ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN);
priv->rx_mb_size = if_getmtu(dev) + ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN;
int eff_mtu = if_getmtu(dev) + ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN +
ring->fcs_del = ETH_FCS_LEN;
#ifndef ETH_FCS_LEN