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/* * cycx_x25.h Cyclom X.25 firmware API definitions. * * Author: Arnaldo Carvalho de Melo <acme@conectiva.com.br> * * Copyright: (c) 1998-2000 Arnaldo Carvalho de Melo * * Based on sdla_x25.h by Gene Kozin <74604.152@compuserve.com> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. * ============================================================================ * 1999/01/03 acme judicious use of data types * 1999/01/02 acme #define X25_ACK_N3 0x4411 * 1998/12/28 acme cleanup: lot'o'things removed * commands listed, * TX25Cmd & TX25Config structs * typedef'ed */ #ifndef _CYCX_X25_H #define _CYCX_X25_H #ifndef PACKED #define PACKED __attribute__((packed)) #endif /* X.25 shared memory layout. */ #define X25_MBOX_OFFS 0x300 /* general mailbox block */ #define X25_RXMBOX_OFFS 0x340 /* receive mailbox */ /* Data Structures */ /* X.25 Command Block. */ typedef struct X25Cmd { u16 command PACKED; u16 link PACKED; /* values: 0 or 1 */ u16 len PACKED; /* values: 0 thru 0x205 (517) */ u32 buf PACKED; } TX25Cmd; /* Defines for the 'command' field. */ #define X25_CONNECT_REQUEST 0x4401 #define X25_CONNECT_RESPONSE 0x4402 #define X25_DISCONNECT_REQUEST 0x4403 #define X25_DISCONNECT_RESPONSE 0x4404 #define X25_DATA_REQUEST 0x4405 #define X25_ACK_TO_VC 0x4406 #define X25_INTERRUPT_RESPONSE 0x4407 #define X25_CONFIG 0x4408 #define X25_CONNECT_INDICATION 0x4409 #define X25_CONNECT_CONFIRM 0x440A #define X25_DISCONNECT_INDICATION 0x440B #define X25_DISCONNECT_CONFIRM 0x440C #define X25_DATA_INDICATION 0x440E #define X25_INTERRUPT_INDICATION 0x440F #define X25_ACK_FROM_VC 0x4410 #define X25_ACK_N3 0x4411 #define X25_CONNECT_COLLISION 0x4413 #define X25_N3WIN 0x4414 #define X25_LINE_ON 0x4415 #define X25_LINE_OFF 0x4416 #define X25_RESET_REQUEST 0x4417 #define X25_LOG 0x4500 #define X25_STATISTIC 0x4600 #define X25_TRACE 0x4700 #define X25_N2TRACEXC 0x4702 #define X25_N3TRACEXC 0x4703 typedef struct X25Config { u8 link PACKED; /* link number */ u8 speed PACKED; /* line speed */ u8 clock PACKED; /* internal/external */ u8 n2 PACKED; /* # of level 2 retransm.(values: 1 thru FF) */ u8 n2win PACKED; /* level 2 window (values: 1 thru 7) */ u8 n3win PACKED; /* level 3 window (values: 1 thru 7) */ u8 nvc PACKED; /* # of logical channels (values: 1 thru 64) */ u8 pktlen PACKED; /* level 3 packet lenght - log base 2 of size */ u8 locaddr PACKED; /* my address */ u8 remaddr PACKED; /* remote address */ u16 t1 PACKED; /* time, in seconds */ u16 t2 PACKED; /* time, in seconds */ u8 t21 PACKED; /* time, in seconds */ u8 npvc PACKED; /* # of permanent virt. circuits (1 thru nvc) */ u8 t23 PACKED; /* time, in seconds */ u8 flags PACKED; /* see dosx25.doc, in portuguese, for details */ } TX25Config; typedef struct X25Stats { u16 rx_crc_errors PACKED; u16 rx_over_errors PACKED; u16 n2_tx_frames PACKED; u16 n2_rx_frames PACKED; u16 tx_timeouts PACKED; u16 rx_timeouts PACKED; u16 n3_tx_packets PACKED; u16 n3_rx_packets PACKED; u16 tx_aborts PACKED; u16 rx_aborts PACKED; } TX25Stats; #endif /* _CYCX_X25_H */ |