Commit | Line | Data |
---|---|---|
1da177e4 LT |
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 | ||
1da177e4 LT |
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 ***********/ |