1 /* 2 * cycx_x25.h Cyclom X.25 firmware API definitions. 3 * 4 * Author: Arnaldo Carvalho de Melo <acme@conectiva.com.br> 5 * 6 * Copyright: (c) 1998-2000 Arnaldo Carvalho de Melo 7 * 8 * Based on sdla_x25.h by Gene Kozin <74604.152@compuserve.com> 9 * 10 * This program is free software; you can redistribute it and/or 11 * modify it under the terms of the GNU General Public License 12 * as published by the Free Software Foundation; either version 13 * 2 of the License, or (at your option) any later version. 14 * ============================================================================ 15 * 2000/04/02 acme dprintk and cycx_debug 16 * 1999/01/03 acme judicious use of data types 17 * 1999/01/02 acme #define X25_ACK_N3 0x4411 18 * 1998/12/28 acme cleanup: lot'o'things removed 19 * commands listed, 20 * TX25Cmd & TX25Config structs 21 * typedef'ed 22 */ 23 #ifndef _CYCX_X25_H 24 #define _CYCX_X25_H 25 26 #ifndef PACKED 27 #define PACKED __attribute__((packed)) 28 #endif 29 30 /* X.25 shared memory layout. */ 31 #define X25_MBOX_OFFS 0x300 /* general mailbox block */ 32 #define X25_RXMBOX_OFFS 0x340 /* receive mailbox */ 33 34 /* Debug */ 35 #define dprintk(level, format, a...) if (cycx_debug >= level) printk(format, ##a) 36 37 extern unsigned int cycx_debug; 38 39 /* Data Structures */ 40 /* X.25 Command Block. */ 41 typedef struct X25Cmd 42 { 43 u16 command PACKED; 44 u16 link PACKED; /* values: 0 or 1 */ 45 u16 len PACKED; /* values: 0 thru 0x205 (517) */ 46 u32 buf PACKED; 47 } TX25Cmd; 48 49 /* Defines for the 'command' field. */ 50 #define X25_CONNECT_REQUEST 0x4401 51 #define X25_CONNECT_RESPONSE 0x4402 52 #define X25_DISCONNECT_REQUEST 0x4403 53 #define X25_DISCONNECT_RESPONSE 0x4404 54 #define X25_DATA_REQUEST 0x4405 55 #define X25_ACK_TO_VC 0x4406 56 #define X25_INTERRUPT_RESPONSE 0x4407 57 #define X25_CONFIG 0x4408 58 #define X25_CONNECT_INDICATION 0x4409 59 #define X25_CONNECT_CONFIRM 0x440A 60 #define X25_DISCONNECT_INDICATION 0x440B 61 #define X25_DISCONNECT_CONFIRM 0x440C 62 #define X25_DATA_INDICATION 0x440E 63 #define X25_INTERRUPT_INDICATION 0x440F 64 #define X25_ACK_FROM_VC 0x4410 65 #define X25_ACK_N3 0x4411 66 #define X25_CONNECT_COLLISION 0x4413 67 #define X25_N3WIN 0x4414 68 #define X25_LINE_ON 0x4415 69 #define X25_LINE_OFF 0x4416 70 #define X25_RESET_REQUEST 0x4417 71 #define X25_LOG 0x4500 72 #define X25_STATISTIC 0x4600 73 #define X25_TRACE 0x4700 74 #define X25_N2TRACEXC 0x4702 75 #define X25_N3TRACEXC 0x4703 76 77 typedef struct X25Config { 78 u8 link PACKED; /* link number */ 79 u8 speed PACKED; /* line speed */ 80 u8 clock PACKED; /* internal/external */ 81 u8 n2 PACKED; /* # of level 2 retransm.(values: 1 thru FF) */ 82 u8 n2win PACKED; /* level 2 window (values: 1 thru 7) */ 83 u8 n3win PACKED; /* level 3 window (values: 1 thru 7) */ 84 u8 nvc PACKED; /* # of logical channels (values: 1 thru 64) */ 85 u8 pktlen PACKED; /* level 3 packet lenght - log base 2 of size */ 86 u8 locaddr PACKED; /* my address */ 87 u8 remaddr PACKED; /* remote address */ 88 u16 t1 PACKED; /* time, in seconds */ 89 u16 t2 PACKED; /* time, in seconds */ 90 u8 t21 PACKED; /* time, in seconds */ 91 u8 npvc PACKED; /* # of permanent virt. circuits (1 thru nvc) */ 92 u8 t23 PACKED; /* time, in seconds */ 93 u8 flags PACKED; /* see dosx25.doc, in portuguese, for details */ 94 } TX25Config; 95 96 typedef struct X25Stats { 97 u16 rx_crc_errors PACKED; 98 u16 rx_over_errors PACKED; 99 u16 n2_tx_frames PACKED; 100 u16 n2_rx_frames PACKED; 101 u16 tx_timeouts PACKED; 102 u16 rx_timeouts PACKED; 103 u16 n3_tx_packets PACKED; 104 u16 n3_rx_packets PACKED; 105 u16 tx_aborts PACKED; 106 u16 rx_aborts PACKED; 107 } TX25Stats; 108 #endif /* _CYCX_X25_H */ 109