| /**************************************************************************** |
| ******* ******* |
| ******* P R O T O C O L S T A T U S S T R U C T U R E ******* |
| ******* ******* |
| **************************************************************************** |
| |
| Author : Ian Nandhra / Jeremy Rolls |
| Date : |
| |
| * |
| * (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program 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 General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| |
| Version : 0.01 |
| |
| |
| Mods |
| ---------------------------------------------------------------------------- |
| Date By Description |
| ---------------------------------------------------------------------------- |
| |
| ***************************************************************************/ |
| |
| #ifndef _protsts_h |
| #define _protsts_h 1 |
| |
| |
| #ifdef SCCS_LABELS |
| #ifndef lint |
| /* static char *_rio_protsts_h_sccs = "@(#)protsts.h 1.4"; */ |
| #endif |
| #endif |
| |
| /************************************************* |
| * ACK bit. Last Packet received OK. Set by |
| * rxpkt to indicate that the Packet has been |
| * received OK and that the LTT must set the ACK |
| * bit in the next outward bound Packet |
| * and re-set by LTT's after xmit. |
| * |
| * Gets shoved into rx_status |
| ************************************************/ |
| #define PHB_RX_LAST_PKT_ACKED ((ushort) 0x080) |
| |
| /******************************************************* |
| * The Rx TOGGLE bit. |
| * Stuffed into rx_status by RXPKT |
| ******************************************************/ |
| #define PHB_RX_DATA_WNDW ((ushort) 0x040) |
| |
| /******************************************************* |
| * The Rx TOGGLE bit. Matches the setting in PKT.H |
| * Stuffed into rx_status |
| ******************************************************/ |
| #define PHB_RX_TGL ((ushort) 0x2000) |
| |
| |
| /************************************************* |
| * This bit is set by the LRT to indicate that |
| * an ACK (packet) must be returned. |
| * |
| * Gets shoved into tx_status |
| ************************************************/ |
| #define PHB_TX_SEND_PKT_ACK ((ushort) 0x08) |
| |
| /************************************************* |
| * Set by LTT to indicate that an ACK is required |
| *************************************************/ |
| #define PHB_TX_ACK_RQRD ((ushort) 0x01) |
| |
| |
| /******************************************************* |
| * The Tx TOGGLE bit. |
| * Stuffed into tx_status by RXPKT from the PKT WndW |
| * field. Looked by the LTT when the NEXT Packet |
| * is going to be sent. |
| ******************************************************/ |
| #define PHB_TX_DATA_WNDW ((ushort) 0x04) |
| |
| |
| /******************************************************* |
| * The Tx TOGGLE bit. Matches the setting in PKT.H |
| * Stuffed into tx_status |
| ******************************************************/ |
| #define PHB_TX_TGL ((ushort) 0x02) |
| |
| /******************************************************* |
| * Request intr bit. Set when the queue has gone quiet |
| * and the PHB has requested an interrupt. |
| ******************************************************/ |
| #define PHB_TX_INTR ((ushort) 0x100) |
| |
| /******************************************************* |
| * SET if the PHB cannot send any more data down the |
| * Link |
| ******************************************************/ |
| #define PHB_TX_HANDSHAKE ((ushort) 0x010) |
| |
| |
| #define RUP_SEND_WNDW ((ushort) 0x08) ; |
| |
| #endif |
| |
| /*********** end of file ***********/ |