physical.h revision 36285
136285Sbrian/* 236285Sbrian * Written by Eivind Eklund <eivind@yes.no> 336285Sbrian * for Yes Interactive 436285Sbrian * 536285Sbrian * Copyright (C) 1998, Yes Interactive. All rights reserved. 636285Sbrian * 736285Sbrian * Redistribution and use in any form is permitted. Redistribution in 836285Sbrian * source form should include the above copyright and this set of 936285Sbrian * conditions, because large sections american law seems to have been 1036285Sbrian * created by a bunch of jerks on drugs that are now illegal, forcing 1136285Sbrian * me to include this copyright-stuff instead of placing this in the 1236285Sbrian * public domain. The name of of 'Yes Interactive' or 'Eivind Eklund' 1336285Sbrian * may not be used to endorse or promote products derived from this 1436285Sbrian * software without specific prior written permission. 1536285Sbrian * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 1636285Sbrian * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 1736285Sbrian * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 1836285Sbrian * 1936285Sbrian * $Id: physical.h,v 1.1.2.26 1998/05/15 23:58:26 brian Exp $ 2036285Sbrian * 2136285Sbrian */ 2236285Sbrian 2336285Sbrianstruct bundle; 2436285Sbrian 2536285Sbrianstruct physical { 2636285Sbrian struct link link; 2736285Sbrian struct descriptor desc; 2836285Sbrian int type; /* What sort of PHYS_* link are we ? */ 2936285Sbrian struct async async; /* Our async state */ 3036285Sbrian struct hdlc hdlc; /* Our hdlc state */ 3136285Sbrian int fd; /* File descriptor for this device */ 3236285Sbrian int mbits; /* Current DCD status */ 3336285Sbrian unsigned dev_is_modem : 1; /* Is the device an actual modem? 3436285Sbrian Faked for sync devices, though... 3536285Sbrian (Possibly this should be 3636285Sbrian dev_is_not_tcp?) XXX-ML */ 3736285Sbrian 3836285Sbrian struct mbuf *out; /* mbuf that suffered a short write */ 3936285Sbrian int connect_count; 4036285Sbrian struct datalink *dl; /* my owner */ 4136285Sbrian 4236285Sbrian struct { 4336285Sbrian char full[40]; 4436285Sbrian char *base; 4536285Sbrian } name; 4636285Sbrian 4736285Sbrian unsigned Utmp : 1; /* Are we in utmp ? */ 4836285Sbrian 4936285Sbrian /* XXX-ML Most of the below is device specific, and probably do not 5036285Sbrian belong in the generic physical struct. It comes from modem.c. */ 5136285Sbrian 5236285Sbrian struct { 5336285Sbrian unsigned rts_cts : 1; /* Is rts/cts enabled? */ 5436285Sbrian unsigned parity; /* What parity is enabled? (TTY flags) */ 5536285Sbrian unsigned speed; /* Modem speed */ 5636285Sbrian char devlist[LINE_LEN]; /* Comma-separated list of devices */ 5736285Sbrian } cfg; 5836285Sbrian 5936285Sbrian struct termios ios; /* To be able to reset from raw mode */ 6036285Sbrian 6136285Sbrian struct pppTimer Timer; /* CD checks */ 6236285Sbrian}; 6336285Sbrian 6436285Sbrian#define field2phys(fp, name) \ 6536285Sbrian ((struct physical *)((char *)fp - (int)(&((struct physical *)0)->name))) 6636285Sbrian 6736285Sbrian#define link2physical(l) \ 6836285Sbrian ((l)->type == PHYSICAL_LINK ? field2phys(l, link) : NULL) 6936285Sbrian 7036285Sbrian#define descriptor2physical(d) \ 7136285Sbrian ((d)->type == PHYSICAL_DESCRIPTOR ? field2phys(d, desc) : NULL) 7236285Sbrian 7336285Sbrianextern int physical_GetFD(struct physical *); 7436285Sbrianextern int physical_IsATTY(struct physical *); 7536285Sbrianextern int physical_IsSync(struct physical *); 7636285Sbrianextern const char *physical_GetDevice(struct physical *); 7736285Sbrianextern void physical_SetDeviceList(struct physical *, int, const char *const *); 7836285Sbrianextern int physical_SetSpeed(struct physical *, int); 7936285Sbrian 8036285Sbrian/* 8136285Sbrian * XXX-ML I'm not certain this is the right way to handle this, but we 8236285Sbrian * can solve that later. 8336285Sbrian */ 8436285Sbrianextern void physical_SetSync(struct physical *); 8536285Sbrian 8636285Sbrian/* 8736285Sbrian * Can this be set? (Might not be a relevant attribute for this 8836285Sbrian * device, for instance) 8936285Sbrian */ 9036285Sbrianextern int physical_SetRtsCts(struct physical *, int); 9136285Sbrian 9236285Sbrianextern ssize_t physical_Read(struct physical *, void *, size_t); 9336285Sbrianextern ssize_t physical_Write(struct physical *, const void *, size_t); 9436285Sbrianextern int physical_UpdateSet(struct descriptor *, fd_set *, fd_set *, 9536285Sbrian fd_set *, int *, int); 9636285Sbrianextern int physical_IsSet(struct descriptor *, const fd_set *); 9736285Sbrianextern void physical_Login(struct physical *, const char *); 9836285Sbrianextern void physical_Logout(struct physical *); 9936285Sbrianextern int physical_RemoveFromSet(struct physical *, fd_set *, fd_set *, 10036285Sbrian fd_set *); 10136285Sbrianextern int physical_SetMode(struct physical *, int); 102