177 lines
6.5 KiB
C
177 lines
6.5 KiB
C
/*
|
|
* Written by Eivind Eklund <eivind@yes.no>
|
|
* for Yes Interactive
|
|
*
|
|
* Copyright (C) 1998, Yes Interactive. All rights reserved.
|
|
*
|
|
* Redistribution and use in any form is permitted. Redistribution in
|
|
* source form should include the above copyright and this set of
|
|
* conditions, because large sections american law seems to have been
|
|
* created by a bunch of jerks on drugs that are now illegal, forcing
|
|
* me to include this copyright-stuff instead of placing this in the
|
|
* public domain. The name of of 'Yes Interactive' or 'Eivind Eklund'
|
|
* may not be used to endorse or promote products derived from this
|
|
* software without specific prior written permission.
|
|
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
|
|
*
|
|
* $FreeBSD$
|
|
*
|
|
*/
|
|
|
|
struct datalink;
|
|
struct bundle;
|
|
struct iovec;
|
|
struct physical;
|
|
struct bundle;
|
|
struct ccp;
|
|
struct cmdargs;
|
|
|
|
/* Device types (don't use zero, it'll be confused with NULL in physical2iov */
|
|
#define I4B_DEVICE 1
|
|
#define TTY_DEVICE 2
|
|
#define TCP_DEVICE 3
|
|
#define UDP_DEVICE 4
|
|
#define ETHER_DEVICE 5
|
|
#define EXEC_DEVICE 6
|
|
#define ATM_DEVICE 7
|
|
#define NG_DEVICE 8
|
|
|
|
/* Returns from awaitcarrier() */
|
|
#define CARRIER_PENDING 1
|
|
#define CARRIER_OK 2
|
|
#define CARRIER_LOST 3
|
|
|
|
/* A cd ``necessity'' value */
|
|
#define CD_VARIABLE 0
|
|
#define CD_REQUIRED 1
|
|
#define CD_NOTREQUIRED 2
|
|
#define CD_DEFAULT 3
|
|
|
|
struct cd {
|
|
unsigned necessity : 2; /* A CD_ value */
|
|
int delay; /* Wait this many seconds after login script */
|
|
};
|
|
|
|
struct device {
|
|
int type;
|
|
const char *name;
|
|
u_short mtu;
|
|
struct cd cd;
|
|
|
|
int (*awaitcarrier)(struct physical *);
|
|
int (*removefromset)(struct physical *, fd_set *, fd_set *, fd_set *);
|
|
int (*raw)(struct physical *);
|
|
void (*offline)(struct physical *);
|
|
void (*cooked)(struct physical *);
|
|
void (*setasyncparams)(struct physical *, u_int32_t, u_int32_t);
|
|
void (*stoptimer)(struct physical *);
|
|
void (*destroy)(struct physical *);
|
|
ssize_t (*read)(struct physical *, void *, size_t);
|
|
ssize_t (*write)(struct physical *, const void *, size_t);
|
|
void (*device2iov)(struct device *, struct iovec *, int *, int, int *, int *);
|
|
unsigned (*speed)(struct physical *);
|
|
const char *(*openinfo)(struct physical *);
|
|
int (*slot)(struct physical *);
|
|
};
|
|
|
|
struct physical {
|
|
struct link link;
|
|
struct fdescriptor desc;
|
|
int type; /* What sort of PHYS_* link are we ? */
|
|
struct async async; /* Our async state */
|
|
struct hdlc hdlc; /* Our hdlc state */
|
|
int fd; /* File descriptor for this device */
|
|
struct mbuf *out; /* mbuf that suffered a short write */
|
|
int connect_count;
|
|
struct datalink *dl; /* my owner */
|
|
|
|
struct {
|
|
u_char buf[MAX_MRU]; /* Our input data buffer */
|
|
size_t sz;
|
|
} input;
|
|
|
|
struct {
|
|
char full[DEVICE_LEN]; /* Our current device name */
|
|
char *base;
|
|
} name;
|
|
|
|
time_t Utmp; /* Are we in utmp ? */
|
|
pid_t session_owner; /* HUP this when closing the link */
|
|
|
|
struct device *handler; /* device specific handler */
|
|
|
|
struct {
|
|
unsigned rts_cts : 1; /* Is rts/cts enabled ? */
|
|
unsigned nonstandard_pppoe : 1; /* Is PPPoE mode nonstandard */
|
|
unsigned pppoe_configured : 1; /* temporary hack */
|
|
unsigned parity; /* What parity is enabled? (tty flags) */
|
|
unsigned speed; /* tty speed */
|
|
|
|
char devlist[LINE_LEN]; /* NUL separated list of devices */
|
|
int ndev; /* number of devices in list */
|
|
struct cd cd;
|
|
} cfg;
|
|
};
|
|
|
|
#define field2phys(fp, name) \
|
|
((struct physical *)((char *)fp - (uintptr_t)(&((struct physical *)0)->name)))
|
|
|
|
#define link2physical(l) \
|
|
((l)->type == PHYSICAL_LINK ? field2phys(l, link) : NULL)
|
|
|
|
#define descriptor2physical(d) \
|
|
((d)->type == PHYSICAL_DESCRIPTOR ? field2phys(d, desc) : NULL)
|
|
|
|
#define PHYSICAL_NOFORCE 1
|
|
#define PHYSICAL_FORCE_ASYNC 2
|
|
#define PHYSICAL_FORCE_SYNC 3
|
|
#define PHYSICAL_FORCE_SYNCNOACF 4
|
|
|
|
extern struct physical *physical_Create(struct datalink *, int);
|
|
extern int physical_Open(struct physical *);
|
|
extern int physical_Raw(struct physical *);
|
|
extern unsigned physical_GetSpeed(struct physical *);
|
|
extern int physical_SetSpeed(struct physical *, unsigned);
|
|
extern int physical_SetParity(struct physical *, const char *);
|
|
extern int physical_SetRtsCts(struct physical *, int);
|
|
extern void physical_SetSync(struct physical *);
|
|
extern int physical_ShowStatus(struct cmdargs const *);
|
|
extern void physical_Offline(struct physical *);
|
|
extern void physical_Close(struct physical *);
|
|
extern void physical_Destroy(struct physical *);
|
|
extern struct physical *iov2physical(struct datalink *, struct iovec *, int *,
|
|
int, int, int *, int *);
|
|
extern int physical2iov(struct physical *, struct iovec *, int *, int, int *,
|
|
int *);
|
|
extern const char *physical_LockedDevice(struct physical *);
|
|
extern void physical_ChangedPid(struct physical *, pid_t);
|
|
|
|
extern int physical_IsSync(struct physical *);
|
|
extern u_short physical_DeviceMTU(struct physical *);
|
|
extern const char *physical_GetDevice(struct physical *);
|
|
extern void physical_SetDeviceList(struct physical *, int, const char *const *);
|
|
extern void physical_SetDevice(struct physical *, const char *);
|
|
|
|
extern ssize_t physical_Read(struct physical *, void *, size_t);
|
|
extern ssize_t physical_Write(struct physical *, const void *, size_t);
|
|
extern int physical_doUpdateSet(struct fdescriptor *, fd_set *, fd_set *,
|
|
fd_set *, int *, int);
|
|
extern int physical_IsSet(struct fdescriptor *, const fd_set *);
|
|
extern void physical_DescriptorRead(struct fdescriptor *, struct bundle *,
|
|
const fd_set *);
|
|
extern void physical_Login(struct physical *, const char *);
|
|
extern int physical_RemoveFromSet(struct physical *, fd_set *, fd_set *,
|
|
fd_set *);
|
|
extern int physical_SetMode(struct physical *, int);
|
|
extern void physical_DeleteQueue(struct physical *);
|
|
extern void physical_SetupStack(struct physical *, const char *, int);
|
|
extern void physical_StopDeviceTimer(struct physical *);
|
|
extern unsigned physical_MaxDeviceSize(void);
|
|
extern int physical_AwaitCarrier(struct physical *);
|
|
extern void physical_SetDescriptor(struct physical *);
|
|
extern void physical_SetAsyncParams(struct physical *, u_int32_t, u_int32_t);
|
|
extern int physical_Slot(struct physical *);
|
|
extern int physical_SetPPPoEnonstandard(struct physical *, int);
|