int qeth_do_send_packet_fast(struct qeth_card *card,
		struct qeth_qdio_out_q *queue, struct sk_buff *skb,
		struct qeth_hdr *hdr, int elements_needed,
		int offset, int hd_len)
{
	struct qeth_qdio_out_buffer *buffer;
	int index;

	/* spin until we get the queue ... */
	while (atomic_cmpxchg(&queue->state, QETH_OUT_Q_UNLOCKED,
			      QETH_OUT_Q_LOCKED) != QETH_OUT_Q_UNLOCKED);
	/* ... now we've got the queue */
	index = queue->next_buf_to_fill;
	buffer = queue->bufs[queue->next_buf_to_fill];
	/*
	 * check if buffer is empty to make sure that we do not 'overtake'
	 * ourselves and try to fill a buffer that is already primed
	 */
	if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY)
		goto out;
	queue->next_buf_to_fill = (queue->next_buf_to_fill + 1) %
					  QDIO_MAX_BUFFERS_PER_Q;
	atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
	qeth_fill_buffer(queue, buffer, skb, hdr, offset, hd_len);
	qeth_flush_buffers(queue, index, 1);
	return 0;
out:
	atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
	return -EBUSY;
}
int qeth_do_send_packet_fast(struct qeth_card *card,
		struct qeth_qdio_out_q *queue, struct sk_buff *skb,
		struct qeth_hdr *hdr, int elements_needed,
		int offset, int hd_len)
{
	struct qeth_qdio_out_buffer *buffer;
	int index;

	 
	while (atomic_cmpxchg(&queue->state, QETH_OUT_Q_UNLOCKED,
			      QETH_OUT_Q_LOCKED) != QETH_OUT_Q_UNLOCKED);
	 
	index = queue->next_buf_to_fill;
	buffer = queue->bufs[queue->next_buf_to_fill];
	 
	if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY)
		goto out;
	queue->next_buf_to_fill = (queue->next_buf_to_fill + 1) %
					  QDIO_MAX_BUFFERS_PER_Q;
	atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
	qeth_fill_buffer(queue, buffer, skb, hdr, offset, hd_len);
	qeth_flush_buffers(queue, index, 1);
	return 0;
out:
	atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
	return -EBUSY;
}