Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef _CYCX_X25_H |
| 2 | #define _CYCX_X25_H |
| 3 | /* |
| 4 | * cycx_x25.h Cyclom X.25 firmware API definitions. |
| 5 | * |
| 6 | * Author: Arnaldo Carvalho de Melo <acme@conectiva.com.br> |
| 7 | * |
| 8 | * Copyright: (c) 1998-2003 Arnaldo Carvalho de Melo |
| 9 | * |
| 10 | * Based on sdla_x25.h by Gene Kozin <74604.152@compuserve.com> |
| 11 | * |
| 12 | * This program is free software; you can redistribute it and/or |
| 13 | * modify it under the terms of the GNU General Public License |
| 14 | * as published by the Free Software Foundation; either version |
| 15 | * 2 of the License, or (at your option) any later version. |
| 16 | * ============================================================================ |
| 17 | * 2000/04/02 acme dprintk and cycx_debug |
| 18 | * 1999/01/03 acme judicious use of data types |
| 19 | * 1999/01/02 acme #define X25_ACK_N3 0x4411 |
| 20 | * 1998/12/28 acme cleanup: lot'o'things removed |
| 21 | * commands listed, |
| 22 | * TX25Cmd & TX25Config structs |
| 23 | * typedef'ed |
| 24 | */ |
| 25 | #ifndef PACKED |
| 26 | #define PACKED __attribute__((packed)) |
| 27 | #endif |
| 28 | |
| 29 | /* X.25 shared memory layout. */ |
| 30 | #define X25_MBOX_OFFS 0x300 /* general mailbox block */ |
| 31 | #define X25_RXMBOX_OFFS 0x340 /* receive mailbox */ |
| 32 | |
| 33 | /* Debug */ |
| 34 | #define dprintk(level, format, a...) if (cycx_debug >= level) printk(format, ##a) |
| 35 | |
| 36 | extern unsigned int cycx_debug; |
| 37 | |
| 38 | /* Data Structures */ |
| 39 | /* X.25 Command Block. */ |
| 40 | struct cycx_x25_cmd { |
| 41 | u16 command PACKED; |
| 42 | u16 link PACKED; /* values: 0 or 1 */ |
| 43 | u16 len PACKED; /* values: 0 thru 0x205 (517) */ |
| 44 | u32 buf PACKED; |
| 45 | }; |
| 46 | |
| 47 | /* Defines for the 'command' field. */ |
| 48 | #define X25_CONNECT_REQUEST 0x4401 |
| 49 | #define X25_CONNECT_RESPONSE 0x4402 |
| 50 | #define X25_DISCONNECT_REQUEST 0x4403 |
| 51 | #define X25_DISCONNECT_RESPONSE 0x4404 |
| 52 | #define X25_DATA_REQUEST 0x4405 |
| 53 | #define X25_ACK_TO_VC 0x4406 |
| 54 | #define X25_INTERRUPT_RESPONSE 0x4407 |
| 55 | #define X25_CONFIG 0x4408 |
| 56 | #define X25_CONNECT_INDICATION 0x4409 |
| 57 | #define X25_CONNECT_CONFIRM 0x440A |
| 58 | #define X25_DISCONNECT_INDICATION 0x440B |
| 59 | #define X25_DISCONNECT_CONFIRM 0x440C |
| 60 | #define X25_DATA_INDICATION 0x440E |
| 61 | #define X25_INTERRUPT_INDICATION 0x440F |
| 62 | #define X25_ACK_FROM_VC 0x4410 |
| 63 | #define X25_ACK_N3 0x4411 |
| 64 | #define X25_CONNECT_COLLISION 0x4413 |
| 65 | #define X25_N3WIN 0x4414 |
| 66 | #define X25_LINE_ON 0x4415 |
| 67 | #define X25_LINE_OFF 0x4416 |
| 68 | #define X25_RESET_REQUEST 0x4417 |
| 69 | #define X25_LOG 0x4500 |
| 70 | #define X25_STATISTIC 0x4600 |
| 71 | #define X25_TRACE 0x4700 |
| 72 | #define X25_N2TRACEXC 0x4702 |
| 73 | #define X25_N3TRACEXC 0x4703 |
| 74 | |
| 75 | /** |
| 76 | * struct cycx_x25_config - cyclom2x x25 firmware configuration |
| 77 | * @link - link number |
| 78 | * @speed - line speed |
| 79 | * @clock - internal/external |
| 80 | * @n2 - # of level 2 retransm.(values: 1 thru FF) |
| 81 | * @n2win - level 2 window (values: 1 thru 7) |
| 82 | * @n3win - level 3 window (values: 1 thru 7) |
| 83 | * @nvc - # of logical channels (values: 1 thru 64) |
| 84 | * @pktlen - level 3 packet lenght - log base 2 of size |
| 85 | * @locaddr - my address |
| 86 | * @remaddr - remote address |
| 87 | * @t1 - time, in seconds |
| 88 | * @t2 - time, in seconds |
| 89 | * @t21 - time, in seconds |
| 90 | * @npvc - # of permanent virt. circuits (1 thru nvc) |
| 91 | * @t23 - time, in seconds |
| 92 | * @flags - see dosx25.doc, in portuguese, for details |
| 93 | */ |
| 94 | struct cycx_x25_config { |
| 95 | u8 link PACKED; |
| 96 | u8 speed PACKED; |
| 97 | u8 clock PACKED; |
| 98 | u8 n2 PACKED; |
| 99 | u8 n2win PACKED; |
| 100 | u8 n3win PACKED; |
| 101 | u8 nvc PACKED; |
| 102 | u8 pktlen PACKED; |
| 103 | u8 locaddr PACKED; |
| 104 | u8 remaddr PACKED; |
| 105 | u16 t1 PACKED; |
| 106 | u16 t2 PACKED; |
| 107 | u8 t21 PACKED; |
| 108 | u8 npvc PACKED; |
| 109 | u8 t23 PACKED; |
| 110 | u8 flags PACKED; |
| 111 | }; |
| 112 | |
| 113 | struct cycx_x25_stats { |
| 114 | u16 rx_crc_errors PACKED; |
| 115 | u16 rx_over_errors PACKED; |
| 116 | u16 n2_tx_frames PACKED; |
| 117 | u16 n2_rx_frames PACKED; |
| 118 | u16 tx_timeouts PACKED; |
| 119 | u16 rx_timeouts PACKED; |
| 120 | u16 n3_tx_packets PACKED; |
| 121 | u16 n3_rx_packets PACKED; |
| 122 | u16 tx_aborts PACKED; |
| 123 | u16 rx_aborts PACKED; |
| 124 | }; |
| 125 | #endif /* _CYCX_X25_H */ |