physical.h revision 65862
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 * 1950479Speter * $FreeBSD: head/usr.sbin/ppp/physical.h 65862 2000-09-14 22:02:54Z brian $ 2036285Sbrian * 2136285Sbrian */ 2236285Sbrian 2346686Sbrianstruct datalink; 2436285Sbrianstruct bundle; 2546686Sbrianstruct iovec; 2646686Sbrianstruct physical; 2746686Sbrianstruct bundle; 2846686Sbrianstruct ccp; 2946686Sbrianstruct cmdargs; 3036285Sbrian 3153684Sbrian/* Device types (don't use zero, it'll be confused with NULL in physical2iov */ 3249472Sbrian#define I4B_DEVICE 1 3349472Sbrian#define TTY_DEVICE 2 3449472Sbrian#define TCP_DEVICE 3 3549472Sbrian#define UDP_DEVICE 4 3652942Sbrian#define ETHER_DEVICE 5 3752942Sbrian#define EXEC_DEVICE 6 3865862Sbrian#define ATM_DEVICE 7 3946686Sbrian 4049472Sbrian/* Returns from awaitcarrier() */ 4149472Sbrian#define CARRIER_PENDING 1 4249472Sbrian#define CARRIER_OK 2 4349472Sbrian#define CARRIER_LOST 3 4449472Sbrian 4551699Sbrian/* A cd ``necessity'' value */ 4653733Sbrian#define CD_VARIABLE 0 4753733Sbrian#define CD_REQUIRED 1 4853733Sbrian#define CD_NOTREQUIRED 2 4953733Sbrian#define CD_DEFAULT 3 5051699Sbrian 5153733Sbrianstruct cd { 5253733Sbrian unsigned necessity : 2; /* A CD_ value */ 5353733Sbrian int delay; /* Wait this many seconds after login script */ 5453733Sbrian}; 5553733Sbrian 5646686Sbrianstruct device { 5746686Sbrian int type; 5846686Sbrian const char *name; 5953733Sbrian struct cd cd; 6047061Sbrian 6149472Sbrian int (*awaitcarrier)(struct physical *); 6252942Sbrian int (*removefromset)(struct physical *, fd_set *, fd_set *, fd_set *); 6346686Sbrian int (*raw)(struct physical *); 6446686Sbrian void (*offline)(struct physical *); 6546686Sbrian void (*cooked)(struct physical *); 6647061Sbrian void (*stoptimer)(struct physical *); 6747061Sbrian void (*destroy)(struct physical *); 6847061Sbrian ssize_t (*read)(struct physical *, void *, size_t); 6947061Sbrian ssize_t (*write)(struct physical *, const void *, size_t); 7053684Sbrian void (*device2iov)(struct device *, struct iovec *, int *, int, int *, int *); 7146686Sbrian int (*speed)(struct physical *); 7246686Sbrian const char *(*openinfo)(struct physical *); 7346686Sbrian}; 7446686Sbrian 7536285Sbrianstruct physical { 7636285Sbrian struct link link; 7758028Sbrian struct fdescriptor desc; 7836285Sbrian int type; /* What sort of PHYS_* link are we ? */ 7936285Sbrian struct async async; /* Our async state */ 8036285Sbrian struct hdlc hdlc; /* Our hdlc state */ 8158038Sbrian int fd; /* File descriptor for this device */ 8236285Sbrian struct mbuf *out; /* mbuf that suffered a short write */ 8336285Sbrian int connect_count; 8436285Sbrian struct datalink *dl; /* my owner */ 8536285Sbrian 8636285Sbrian struct { 8745264Sbrian u_char buf[MAX_MRU]; /* Our input data buffer */ 8845264Sbrian size_t sz; 8945264Sbrian } input; 9045264Sbrian 9145264Sbrian struct { 9247682Sbrian char full[DEVICE_LEN]; /* Our current device name */ 9336285Sbrian char *base; 9436285Sbrian } name; 9536285Sbrian 9652429Sbrian time_t Utmp; /* Are we in utmp ? */ 9736467Sbrian pid_t session_owner; /* HUP this when closing the link */ 9836285Sbrian 9947061Sbrian struct device *handler; /* device specific handler */ 10047061Sbrian 10146686Sbrian struct { 10246686Sbrian unsigned rts_cts : 1; /* Is rts/cts enabled ? */ 10346686Sbrian unsigned parity; /* What parity is enabled? (tty flags) */ 10446686Sbrian unsigned speed; /* tty speed */ 10536285Sbrian 10646102Sbrian char devlist[LINE_LEN]; /* NUL separated list of devices */ 10746102Sbrian int ndev; /* number of devices in list */ 10853733Sbrian struct cd cd; 10936285Sbrian } cfg; 11036285Sbrian}; 11136285Sbrian 11236285Sbrian#define field2phys(fp, name) \ 11336285Sbrian ((struct physical *)((char *)fp - (int)(&((struct physical *)0)->name))) 11436285Sbrian 11536285Sbrian#define link2physical(l) \ 11636285Sbrian ((l)->type == PHYSICAL_LINK ? field2phys(l, link) : NULL) 11736285Sbrian 11836285Sbrian#define descriptor2physical(d) \ 11936285Sbrian ((d)->type == PHYSICAL_DESCRIPTOR ? field2phys(d, desc) : NULL) 12036285Sbrian 12152942Sbrian#define PHYSICAL_NOFORCE 1 12252942Sbrian#define PHYSICAL_FORCE_ASYNC 2 12352942Sbrian#define PHYSICAL_FORCE_SYNC 3 12452942Sbrian#define PHYSICAL_FORCE_SYNCNOACF 4 12547061Sbrian 12646686Sbrianextern struct physical *physical_Create(struct datalink *, int); 12746686Sbrianextern int physical_Open(struct physical *, struct bundle *); 12846686Sbrianextern int physical_Raw(struct physical *); 12946686Sbrianextern int physical_GetSpeed(struct physical *); 13046686Sbrianextern int physical_SetSpeed(struct physical *, int); 13146686Sbrianextern int physical_SetParity(struct physical *, const char *); 13246686Sbrianextern int physical_SetRtsCts(struct physical *, int); 13346686Sbrianextern void physical_SetSync(struct physical *); 13446686Sbrianextern int physical_ShowStatus(struct cmdargs const *); 13546686Sbrianextern void physical_Offline(struct physical *); 13646686Sbrianextern void physical_Close(struct physical *); 13746686Sbrianextern void physical_Destroy(struct physical *); 13846686Sbrianextern struct physical *iov2physical(struct datalink *, struct iovec *, int *, 13952942Sbrian int, int, int *, int *); 14052942Sbrianextern int physical2iov(struct physical *, struct iovec *, int *, int, int *, 14153684Sbrian int *); 14253684Sbrianextern const char *physical_LockedDevice(struct physical *); 14346686Sbrianextern void physical_ChangedPid(struct physical *, pid_t); 14446686Sbrian 14536285Sbrianextern int physical_IsSync(struct physical *); 14636285Sbrianextern const char *physical_GetDevice(struct physical *); 14736285Sbrianextern void physical_SetDeviceList(struct physical *, int, const char *const *); 14846686Sbrianextern void physical_SetDevice(struct physical *, const char *); 14936285Sbrian 15036285Sbrianextern ssize_t physical_Read(struct physical *, void *, size_t); 15136285Sbrianextern ssize_t physical_Write(struct physical *, const void *, size_t); 15258028Sbrianextern int physical_doUpdateSet(struct fdescriptor *, fd_set *, fd_set *, 15346686Sbrian fd_set *, int *, int); 15458028Sbrianextern int physical_IsSet(struct fdescriptor *, const fd_set *); 15558028Sbrianextern void physical_DescriptorRead(struct fdescriptor *, struct bundle *, 15652942Sbrian const fd_set *); 15736285Sbrianextern void physical_Login(struct physical *, const char *); 15836285Sbrianextern int physical_RemoveFromSet(struct physical *, fd_set *, fd_set *, 15936285Sbrian fd_set *); 16036285Sbrianextern int physical_SetMode(struct physical *, int); 16138544Sbrianextern void physical_DeleteQueue(struct physical *); 16247461Sbrianextern void physical_SetupStack(struct physical *, const char *, int); 16347061Sbrianextern void physical_StopDeviceTimer(struct physical *); 16447769Sbrianextern int physical_MaxDeviceSize(void); 16549472Sbrianextern int physical_AwaitCarrier(struct physical *); 16652942Sbrianextern void physical_SetDescriptor(struct physical *); 167