DescEndPacket
DescEndPacket | DescIntr | (hmp->rx_buf_sz - 2));
DescEndPacket | DescIntr | (hmp->rx_buf_sz -2));
DescEndPacket | DescEndRing | DescIntr | skb->len);
DescEndPacket | DescIntr | skb->len);
if ( ! (desc_status & DescEndPacket)) {
DescEndPacket | DescEndRing | DescIntr);
DescEndPacket | DescIntr);