| /**************************************************************************** | |
| ******* ******* | |
| ******* 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 ***********/ |