| /* |
| * 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. |
| * ============================================================================ |
| * 2000/04/02 acme dprintk and cycx_debug |
| * 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 */ |
| |
| /* Debug */ |
| #define dprintk(level, format, a...) if (cycx_debug >= level) printk(format, ##a) |
| |
| extern unsigned int cycx_debug; |
| |
| /* 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 */ |
