REG_RECVEND
ether3_outw(priv(dev)->rx_head >> 8, REG_RECVEND);
ether3_outw(priv(dev)->rx_head >> 8, REG_RECVEND);
ether3_inw(REG_RECVPTR), ether3_inw(REG_RECVEND), ether3_inw(REG_TRANSMITPTR));
ether3_outw(next_ptr >> 8, REG_RECVEND);
ether3_outw(next_ptr >> 8, REG_RECVEND);
ether3_outw(next_ptr >> 8, REG_RECVEND);
ether3_outw(next_ptr >> 8, REG_RECVEND);