| /**************************************************************************** |
| ******* ******* |
| ******* R U P S T R U C T U R E |
| ******* ******* |
| **************************************************************************** |
| |
| Author : Ian Nandhra |
| 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 _rup_h |
| #define _rup_h 1 |
| |
| #define MAX_RUP ((short) 16) |
| #define PKTS_PER_RUP ((short) 2) /* They are always used in pairs */ |
| |
| /************************************************* |
| * Define all the packet request stuff |
| ************************************************/ |
| #define TX_RUP_INACTIVE 0 /* Nothing to transmit */ |
| #define TX_PACKET_READY 1 /* Transmit packet ready */ |
| #define TX_LOCK_RUP 2 /* Transmit side locked */ |
| |
| #define RX_RUP_INACTIVE 0 /* Nothing received */ |
| #define RX_PACKET_READY 1 /* Packet received */ |
| |
| #define RUP_NO_OWNER 0xff /* RUP not owned by any process */ |
| |
| struct RUP { |
| u16 txpkt; /* Outgoing packet */ |
| u16 rxpkt; /* Incoming packet */ |
| u16 link; /* Which link to send down? */ |
| u8 rup_dest_unit[2]; /* Destination unit */ |
| u16 handshake; /* For handshaking */ |
| u16 timeout; /* Timeout */ |
| u16 status; /* Status */ |
| u16 txcontrol; /* Transmit control */ |
| u16 rxcontrol; /* Receive control */ |
| }; |
| |
| #endif |
| |
| /*********** end of file ***********/ |
