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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [drivers/] [char/] [rio/] [protsts.h] - Rev 1765
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/**************************************************************************** ******* ******* ******* 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 ***********/