| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | #ifdef SCCS_LABELS |
| 42 | #ifndef lint |
| 43 | /* static char *_rio_protsts_h_sccs = "@(#)protsts.h 1.4"; */ |
| 44 | #endif |
| 45 | #endif |
| 46 | |
| 47 | /************************************************* |
| 48 | * ACK bit. Last Packet received OK. Set by |
| 49 | * rxpkt to indicate that the Packet has been |
| 50 | * received OK and that the LTT must set the ACK |
| 51 | * bit in the next outward bound Packet |
| 52 | * and re-set by LTT's after xmit. |
| 53 | * |
| 54 | * Gets shoved into rx_status |
| 55 | ************************************************/ |
| 56 | #define PHB_RX_LAST_PKT_ACKED ((ushort) 0x080) |
| 57 | |
| 58 | /******************************************************* |
| 59 | * The Rx TOGGLE bit. |
| 60 | * Stuffed into rx_status by RXPKT |
| 61 | ******************************************************/ |
| 62 | #define PHB_RX_DATA_WNDW ((ushort) 0x040) |
| 63 | |
| 64 | /******************************************************* |
| 65 | * The Rx TOGGLE bit. Matches the setting in PKT.H |
| 66 | * Stuffed into rx_status |
| 67 | ******************************************************/ |
| 68 | #define PHB_RX_TGL ((ushort) 0x2000) |
| 69 | |
| 70 | |
| 71 | /************************************************* |
| 72 | * This bit is set by the LRT to indicate that |
| 73 | * an ACK (packet) must be returned. |
| 74 | * |
| 75 | * Gets shoved into tx_status |
| 76 | ************************************************/ |
| 77 | #define PHB_TX_SEND_PKT_ACK ((ushort) 0x08) |
| 78 | |
| 79 | /************************************************* |
| 80 | * Set by LTT to indicate that an ACK is required |
| 81 | *************************************************/ |
| 82 | #define PHB_TX_ACK_RQRD ((ushort) 0x01) |
| 83 | |
| 84 | |
| 85 | /******************************************************* |
| 86 | * The Tx TOGGLE bit. |
| 87 | * Stuffed into tx_status by RXPKT from the PKT WndW |
| 88 | * field. Looked by the LTT when the NEXT Packet |
| 89 | * is going to be sent. |
| 90 | ******************************************************/ |
| 91 | #define PHB_TX_DATA_WNDW ((ushort) 0x04) |
| 92 | |
| 93 | |
| 94 | /******************************************************* |
| 95 | * The Tx TOGGLE bit. Matches the setting in PKT.H |
| 96 | * Stuffed into tx_status |
| 97 | ******************************************************/ |
| 98 | #define PHB_TX_TGL ((ushort) 0x02) |
| 99 | |
| 100 | /******************************************************* |
| 101 | * Request intr bit. Set when the queue has gone quiet |
| 102 | * and the PHB has requested an interrupt. |
| 103 | ******************************************************/ |
| 104 | #define PHB_TX_INTR ((ushort) 0x100) |
| 105 | |
| 106 | /******************************************************* |
| 107 | * SET if the PHB cannot send any more data down the |
| 108 | * Link |
| 109 | ******************************************************/ |
| 110 | #define PHB_TX_HANDSHAKE ((ushort) 0x010) |
| 111 | |
| 112 | |
| 113 | #define RUP_SEND_WNDW ((ushort) 0x08) ; |
| 114 | |
| 115 | #endif |
| 116 | |
| 117 | /*********** end of file ***********/ |