1/**************************************************************************** 2 ******* ******* 3 ******* P R O T O C O L S T A T U S S T R U C T U R E ******* 4 ******* ******* 5 **************************************************************************** 6 7 Author : Ian Nandhra / Jeremy Rolls 8 Date : 9 10 * 11 * (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK. 12 * 13 * This program is free software; you can redistribute it and/or modify 14 * it under the terms of the GNU General Public License as published by 15 * the Free Software Foundation; either version 2 of the License, or 16 * (at your option) any later version. 17 * 18 * This program is distributed in the hope that it will be useful, 19 * but WITHOUT ANY WARRANTY; without even the implied warranty of 20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 21 * GNU General Public License for more details. 22 * 23 * You should have received a copy of the GNU General Public License 24 * along with this program; if not, write to the Free Software 25 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 26 27 Version : 0.01 28 29 30 Mods 31 ---------------------------------------------------------------------------- 32 Date By Description 33 ---------------------------------------------------------------------------- 34 35 ***************************************************************************/ 36 37#ifndef _protsts_h 38#define _protsts_h 1 39 40/************************************************* 41 * ACK bit. Last Packet received OK. Set by 42 * rxpkt to indicate that the Packet has been 43 * received OK and that the LTT must set the ACK 44 * bit in the next outward bound Packet 45 * and re-set by LTT's after xmit. 46 * 47 * Gets shoved into rx_status 48 ************************************************/ 49#define PHB_RX_LAST_PKT_ACKED ((ushort) 0x080) 50 51/******************************************************* 52 * The Rx TOGGLE bit. 53 * Stuffed into rx_status by RXPKT 54 ******************************************************/ 55#define PHB_RX_DATA_WNDW ((ushort) 0x040) 56 57/******************************************************* 58 * The Rx TOGGLE bit. Matches the setting in PKT.H 59 * Stuffed into rx_status 60 ******************************************************/ 61#define PHB_RX_TGL ((ushort) 0x2000) 62 63 64/************************************************* 65 * This bit is set by the LRT to indicate that 66 * an ACK (packet) must be returned. 67 * 68 * Gets shoved into tx_status 69 ************************************************/ 70#define PHB_TX_SEND_PKT_ACK ((ushort) 0x08) 71 72/************************************************* 73 * Set by LTT to indicate that an ACK is required 74 *************************************************/ 75#define PHB_TX_ACK_RQRD ((ushort) 0x01) 76 77 78/******************************************************* 79 * The Tx TOGGLE bit. 80 * Stuffed into tx_status by RXPKT from the PKT WndW 81 * field. Looked by the LTT when the NEXT Packet 82 * is going to be sent. 83 ******************************************************/ 84#define PHB_TX_DATA_WNDW ((ushort) 0x04) 85 86 87/******************************************************* 88 * The Tx TOGGLE bit. Matches the setting in PKT.H 89 * Stuffed into tx_status 90 ******************************************************/ 91#define PHB_TX_TGL ((ushort) 0x02) 92 93/******************************************************* 94 * Request intr bit. Set when the queue has gone quiet 95 * and the PHB has requested an interrupt. 96 ******************************************************/ 97#define PHB_TX_INTR ((ushort) 0x100) 98 99/******************************************************* 100 * SET if the PHB cannot send any more data down the 101 * Link 102 ******************************************************/ 103#define PHB_TX_HANDSHAKE ((ushort) 0x010) 104 105 106#define RUP_SEND_WNDW ((ushort) 0x08) ; 107 108#endif 109 110/*********** end of file ***********/ 111