| 1 | #ifndef _CYCX_X25_H |
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| 2 | #define _CYCX_X25_H |
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| 3 | /* |
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| 4 | * cycx_x25.h Cyclom X.25 firmware API definitions. |
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| 5 | * |
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| 6 | * Author: Arnaldo Carvalho de Melo <acme@conectiva.com.br> |
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| 7 | * |
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| 8 | * Copyright: (c) 1998-2003 Arnaldo Carvalho de Melo |
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| 9 | * |
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| 10 | * Based on sdla_x25.h by Gene Kozin <74604.152@compuserve.com> |
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| 11 | * |
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| 12 | * This program is free software; you can redistribute it and/or |
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| 13 | * modify it under the terms of the GNU General Public License |
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| 14 | * as published by the Free Software Foundation; either version |
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| 15 | * 2 of the License, or (at your option) any later version. |
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| 16 | * ============================================================================ |
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| 17 | * 2000/04/02 acme dprintk and cycx_debug |
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| 18 | * 1999/01/03 acme judicious use of data types |
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| 19 | * 1999/01/02 acme #define X25_ACK_N3 0x4411 |
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| 20 | * 1998/12/28 acme cleanup: lot'o'things removed |
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| 21 | * commands listed, |
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| 22 | * TX25Cmd & TX25Config structs |
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| 23 | * typedef'ed |
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| 24 | */ |
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| 25 | #ifndef PACKED |
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| 26 | #define PACKED __attribute__((packed)) |
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| 27 | #endif |
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| 28 | |
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| 29 | #include <asm/types.h> |
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| 30 | |
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| 31 | /* X.25 shared memory layout. */ |
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| 32 | #define X25_MBOX_OFFS 0x300 /* general mailbox block */ |
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| 33 | #define X25_RXMBOX_OFFS 0x340 /* receive mailbox */ |
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| 34 | |
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| 35 | /* Debug */ |
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| 36 | #define dprintk(level, format, a...) if (cycx_debug >= level) printk(format, ##a) |
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| 37 | |
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| 38 | extern unsigned int cycx_debug; |
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| 39 | |
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| 40 | /* Data Structures */ |
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| 41 | /* X.25 Command Block. */ |
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| 42 | struct cycx_x25_cmd { |
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| 43 | __u16 command PACKED; |
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| 44 | __u16 link PACKED; /* values: 0 or 1 */ |
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| 45 | __u16 len PACKED; /* values: 0 thru 0x205 (517) */ |
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| 46 | __u32 buf PACKED; |
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| 47 | }; |
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| 48 | |
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| 49 | /* Defines for the 'command' field. */ |
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| 50 | #define X25_CONNECT_REQUEST 0x4401 |
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| 51 | #define X25_CONNECT_RESPONSE 0x4402 |
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| 52 | #define X25_DISCONNECT_REQUEST 0x4403 |
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| 53 | #define X25_DISCONNECT_RESPONSE 0x4404 |
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| 54 | #define X25_DATA_REQUEST 0x4405 |
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| 55 | #define X25_ACK_TO_VC 0x4406 |
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| 56 | #define X25_INTERRUPT_RESPONSE 0x4407 |
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| 57 | #define X25_CONFIG 0x4408 |
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| 58 | #define X25_CONNECT_INDICATION 0x4409 |
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| 59 | #define X25_CONNECT_CONFIRM 0x440A |
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| 60 | #define X25_DISCONNECT_INDICATION 0x440B |
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| 61 | #define X25_DISCONNECT_CONFIRM 0x440C |
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| 62 | #define X25_DATA_INDICATION 0x440E |
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| 63 | #define X25_INTERRUPT_INDICATION 0x440F |
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| 64 | #define X25_ACK_FROM_VC 0x4410 |
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| 65 | #define X25_ACK_N3 0x4411 |
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| 66 | #define X25_CONNECT_COLLISION 0x4413 |
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| 67 | #define X25_N3WIN 0x4414 |
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| 68 | #define X25_LINE_ON 0x4415 |
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| 69 | #define X25_LINE_OFF 0x4416 |
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| 70 | #define X25_RESET_REQUEST 0x4417 |
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| 71 | #define X25_LOG 0x4500 |
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| 72 | #define X25_STATISTIC 0x4600 |
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| 73 | #define X25_TRACE 0x4700 |
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| 74 | #define X25_N2TRACEXC 0x4702 |
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| 75 | #define X25_N3TRACEXC 0x4703 |
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| 76 | |
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| 77 | /** |
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| 78 | * struct cycx_x25_config - cyclom2x x25 firmware configuration |
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| 79 | * @link - link number |
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| 80 | * @speed - line speed |
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| 81 | * @clock - internal/external |
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| 82 | * @n2 - # of level 2 retransm.(values: 1 thru FF) |
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| 83 | * @n2win - level 2 window (values: 1 thru 7) |
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| 84 | * @n3win - level 3 window (values: 1 thru 7) |
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| 85 | * @nvc - # of logical channels (values: 1 thru 64) |
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| 86 | * @pktlen - level 3 packet lenght - log base 2 of size |
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| 87 | * @locaddr - my address |
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| 88 | * @remaddr - remote address |
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| 89 | * @t1 - time, in seconds |
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| 90 | * @t2 - time, in seconds |
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| 91 | * @t21 - time, in seconds |
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| 92 | * @npvc - # of permanent virt. circuits (1 thru nvc) |
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| 93 | * @t23 - time, in seconds |
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| 94 | * @flags - see dosx25.doc, in portuguese, for details |
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| 95 | */ |
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| 96 | struct cycx_x25_config { |
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| 97 | __u8 link PACKED; |
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| 98 | __u8 speed PACKED; |
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| 99 | __u8 clock PACKED; |
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| 100 | __u8 n2 PACKED; |
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| 101 | __u8 n2win PACKED; |
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| 102 | __u8 n3win PACKED; |
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| 103 | __u8 nvc PACKED; |
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| 104 | __u8 pktlen PACKED; |
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| 105 | __u8 locaddr PACKED; |
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| 106 | __u8 remaddr PACKED; |
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| 107 | __u16 t1 PACKED; |
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| 108 | __u16 t2 PACKED; |
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| 109 | __u8 t21 PACKED; |
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| 110 | __u8 npvc PACKED; |
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| 111 | __u8 t23 PACKED; |
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| 112 | __u8 flags PACKED; |
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| 113 | }; |
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| 114 | |
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| 115 | struct cycx_x25_stats { |
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| 116 | __u16 rx_crc_errors PACKED; |
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| 117 | __u16 rx_over_errors PACKED; |
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| 118 | __u16 n2_tx_frames PACKED; |
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| 119 | __u16 n2_rx_frames PACKED; |
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| 120 | __u16 tx_timeouts PACKED; |
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| 121 | __u16 rx_timeouts PACKED; |
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| 122 | __u16 n3_tx_packets PACKED; |
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| 123 | __u16 n3_rx_packets PACKED; |
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| 124 | __u16 tx_aborts PACKED; |
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| 125 | __u16 rx_aborts PACKED; |
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| 126 | }; |
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| 127 | #endif /* _CYCX_X25_H */ |
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