/*
* $Id$
*
* Copyright (C) 2003-2015 JNode.org
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; If not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package org.jnode.driver.net.lance;
import org.jnode.net.SocketBuffer;
import org.jnode.system.resource.MemoryResource;
/**
* @author Chris Cole
*/
public class TxDescriptor extends Descriptor {
public TxDescriptor(MemoryResource mem, int offset, int dataBufferOffset) {
super(mem, offset, dataBufferOffset);
setOwnerSelf(true);
}
public void transmit(SocketBuffer skbuf) {
// fill the data buffer
mem.setBytes(skbuf.toByteArray(), 0, dataBufferOffset, skbuf.getSize());
setStatus((short) (STATUS_OWN | STATUS_STP | STATUS_ENP));
setByteCount(skbuf.getSize());
}
private void setByteCount(int bcnt) {
mem.setShort(offset + 0x04, (short) (-bcnt));
}
}