1 #ifndef _CYCX_X25_H 2 #define _CYCX_X25_H 3 /* 4 * cycx_x25.h Cyclom X.25 firmware API definitions. 5 * 6 * Author: Arnaldo Carvalho de Melo <acme@conectiva.com.br> 7 * 8 * Copyright: (c) 1998-2003 Arnaldo Carvalho de Melo 9 * 10 * Based on sdla_x25.h by Gene Kozin <74604.152@compuserve.com> 11 * 12 * This program is free software; you can redistribute it and/or 13 * modify it under the terms of the GNU General Public License 14 * as published by the Free Software Foundation; either version 15 * 2 of the License, or (at your option) any later version. 16 * ============================================================================ 17 * 2000/04/02 acme dprintk and cycx_debug 18 * 1999/01/03 acme judicious use of data types 19 * 1999/01/02 acme #define X25_ACK_N3 0x4411 20 * 1998/12/28 acme cleanup: lot'o'things removed 21 * commands listed, 22 * TX25Cmd & TX25Config structs 23 * typedef'ed 24 */ 25 #ifndef PACKED 26 #define PACKED __attribute__((packed)) 27 #endif 28 29 /* X.25 shared memory layout. */ 30 #define X25_MBOX_OFFS 0x300 /* general mailbox block */ 31 #define X25_RXMBOX_OFFS 0x340 /* receive mailbox */ 32 33 /* Debug */ 34 #define dprintk(level, format, a...) if (cycx_debug >= level) printk(format, ##a) 35 36 extern unsigned int cycx_debug; 37 38 /* Data Structures */ 39 /* X.25 Command Block. */ 40 struct cycx_x25_cmd { 41 u16 command; 42 u16 link; /* values: 0 or 1 */ 43 u16 len; /* values: 0 thru 0x205 (517) */ 44 u32 buf; 45 } PACKED; 46 47 /* Defines for the 'command' field. */ 48 #define X25_CONNECT_REQUEST 0x4401 49 #define X25_CONNECT_RESPONSE 0x4402 50 #define X25_DISCONNECT_REQUEST 0x4403 51 #define X25_DISCONNECT_RESPONSE 0x4404 52 #define X25_DATA_REQUEST 0x4405 53 #define X25_ACK_TO_VC 0x4406 54 #define X25_INTERRUPT_RESPONSE 0x4407 55 #define X25_CONFIG 0x4408 56 #define X25_CONNECT_INDICATION 0x4409 57 #define X25_CONNECT_CONFIRM 0x440A 58 #define X25_DISCONNECT_INDICATION 0x440B 59 #define X25_DISCONNECT_CONFIRM 0x440C 60 #define X25_DATA_INDICATION 0x440E 61 #define X25_INTERRUPT_INDICATION 0x440F 62 #define X25_ACK_FROM_VC 0x4410 63 #define X25_ACK_N3 0x4411 64 #define X25_CONNECT_COLLISION 0x4413 65 #define X25_N3WIN 0x4414 66 #define X25_LINE_ON 0x4415 67 #define X25_LINE_OFF 0x4416 68 #define X25_RESET_REQUEST 0x4417 69 #define X25_LOG 0x4500 70 #define X25_STATISTIC 0x4600 71 #define X25_TRACE 0x4700 72 #define X25_N2TRACEXC 0x4702 73 #define X25_N3TRACEXC 0x4703 74 75 /** 76 * struct cycx_x25_config - cyclom2x x25 firmware configuration 77 * @link - link number 78 * @speed - line speed 79 * @clock - internal/external 80 * @n2 - # of level 2 retransm.(values: 1 thru FF) 81 * @n2win - level 2 window (values: 1 thru 7) 82 * @n3win - level 3 window (values: 1 thru 7) 83 * @nvc - # of logical channels (values: 1 thru 64) 84 * @pktlen - level 3 packet length - log base 2 of size 85 * @locaddr - my address 86 * @remaddr - remote address 87 * @t1 - time, in seconds 88 * @t2 - time, in seconds 89 * @t21 - time, in seconds 90 * @npvc - # of permanent virt. circuits (1 thru nvc) 91 * @t23 - time, in seconds 92 * @flags - see dosx25.doc, in portuguese, for details 93 */ 94 struct cycx_x25_config { 95 u8 link; 96 u8 speed; 97 u8 clock; 98 u8 n2; 99 u8 n2win; 100 u8 n3win; 101 u8 nvc; 102 u8 pktlen; 103 u8 locaddr; 104 u8 remaddr; 105 u16 t1; 106 u16 t2; 107 u8 t21; 108 u8 npvc; 109 u8 t23; 110 u8 flags; 111 } PACKED; 112 113 struct cycx_x25_stats { 114 u16 rx_crc_errors; 115 u16 rx_over_errors; 116 u16 n2_tx_frames; 117 u16 n2_rx_frames; 118 u16 tx_timeouts; 119 u16 rx_timeouts; 120 u16 n3_tx_packets; 121 u16 n3_rx_packets; 122 u16 tx_aborts; 123 u16 rx_aborts; 124 } PACKED; 125 #endif /* _CYCX_X25_H */ 126