/*************************************************
* Handshake asserted. Deasserted by the LTT(s)
************************************************/
/*************************************************
* Handshake asserted. Deasserted by the LTT(s)
************************************************/
* the start. The pointer tx_add points to a SPACE to put a Packet.
* The pointer tx_remove points to the next Packet to remove
*************************************************************************/
* the start. The pointer tx_add points to a SPACE to put a Packet.
* The pointer tx_remove points to the next Packet to remove
*************************************************************************/