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422 | giacomo | 1 | #ifndef _CYCX_X25_H |
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 | |||
29 | /* X.25 shared memory layout. */ |
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30 | #define X25_MBOX_OFFS 0x300 /* general mailbox block */ |
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31 | #define X25_RXMBOX_OFFS 0x340 /* receive mailbox */ |
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32 | |||
33 | /* Debug */ |
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34 | #define dprintk(level, format, a...) if (cycx_debug >= level) printk(format, ##a) |
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35 | |||
36 | extern unsigned int cycx_debug; |
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37 | |||
38 | /* Data Structures */ |
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39 | /* X.25 Command Block. */ |
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40 | struct cycx_x25_cmd { |
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41 | u16 command PACKED; |
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42 | u16 link PACKED; /* values: 0 or 1 */ |
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43 | u16 len PACKED; /* values: 0 thru 0x205 (517) */ |
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44 | u32 buf PACKED; |
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45 | }; |
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46 | |||
47 | /* Defines for the 'command' field. */ |
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48 | #define X25_CONNECT_REQUEST 0x4401 |
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49 | #define X25_CONNECT_RESPONSE 0x4402 |
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50 | #define X25_DISCONNECT_REQUEST 0x4403 |
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51 | #define X25_DISCONNECT_RESPONSE 0x4404 |
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52 | #define X25_DATA_REQUEST 0x4405 |
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53 | #define X25_ACK_TO_VC 0x4406 |
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54 | #define X25_INTERRUPT_RESPONSE 0x4407 |
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55 | #define X25_CONFIG 0x4408 |
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56 | #define X25_CONNECT_INDICATION 0x4409 |
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57 | #define X25_CONNECT_CONFIRM 0x440A |
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58 | #define X25_DISCONNECT_INDICATION 0x440B |
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59 | #define X25_DISCONNECT_CONFIRM 0x440C |
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60 | #define X25_DATA_INDICATION 0x440E |
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61 | #define X25_INTERRUPT_INDICATION 0x440F |
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62 | #define X25_ACK_FROM_VC 0x4410 |
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63 | #define X25_ACK_N3 0x4411 |
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64 | #define X25_CONNECT_COLLISION 0x4413 |
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65 | #define X25_N3WIN 0x4414 |
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66 | #define X25_LINE_ON 0x4415 |
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67 | #define X25_LINE_OFF 0x4416 |
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68 | #define X25_RESET_REQUEST 0x4417 |
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69 | #define X25_LOG 0x4500 |
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70 | #define X25_STATISTIC 0x4600 |
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71 | #define X25_TRACE 0x4700 |
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72 | #define X25_N2TRACEXC 0x4702 |
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73 | #define X25_N3TRACEXC 0x4703 |
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74 | |||
75 | /** |
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76 | * struct cycx_x25_config - cyclom2x x25 firmware configuration |
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77 | * @link - link number |
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78 | * @speed - line speed |
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79 | * @clock - internal/external |
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80 | * @n2 - # of level 2 retransm.(values: 1 thru FF) |
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81 | * @n2win - level 2 window (values: 1 thru 7) |
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82 | * @n3win - level 3 window (values: 1 thru 7) |
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83 | * @nvc - # of logical channels (values: 1 thru 64) |
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84 | * @pktlen - level 3 packet lenght - log base 2 of size |
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85 | * @locaddr - my address |
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86 | * @remaddr - remote address |
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87 | * @t1 - time, in seconds |
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88 | * @t2 - time, in seconds |
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89 | * @t21 - time, in seconds |
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90 | * @npvc - # of permanent virt. circuits (1 thru nvc) |
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91 | * @t23 - time, in seconds |
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92 | * @flags - see dosx25.doc, in portuguese, for details |
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93 | */ |
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94 | struct cycx_x25_config { |
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95 | u8 link PACKED; |
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96 | u8 speed PACKED; |
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97 | u8 clock PACKED; |
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98 | u8 n2 PACKED; |
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99 | u8 n2win PACKED; |
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100 | u8 n3win PACKED; |
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101 | u8 nvc PACKED; |
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102 | u8 pktlen PACKED; |
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103 | u8 locaddr PACKED; |
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104 | u8 remaddr PACKED; |
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105 | u16 t1 PACKED; |
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106 | u16 t2 PACKED; |
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107 | u8 t21 PACKED; |
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108 | u8 npvc PACKED; |
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109 | u8 t23 PACKED; |
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110 | u8 flags PACKED; |
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111 | }; |
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112 | |||
113 | struct cycx_x25_stats { |
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114 | u16 rx_crc_errors PACKED; |
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115 | u16 rx_over_errors PACKED; |
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116 | u16 n2_tx_frames PACKED; |
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117 | u16 n2_rx_frames PACKED; |
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118 | u16 tx_timeouts PACKED; |
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119 | u16 rx_timeouts PACKED; |
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120 | u16 n3_tx_packets PACKED; |
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121 | u16 n3_rx_packets PACKED; |
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122 | u16 tx_aborts PACKED; |
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123 | u16 rx_aborts PACKED; |
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124 | }; |
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125 | #endif /* _CYCX_X25_H */ |