254 lines
8.0 KiB
C
254 lines
8.0 KiB
C
/*
|
|
* Defines for synchronous PPP/Cisco link level subroutines.
|
|
*
|
|
* Copyright (C) 1994 Cronyx Ltd.
|
|
* Author: Serge Vakulenko, <vak@cronyx.ru>
|
|
*
|
|
* Heavily revamped to conform to RFC 1661.
|
|
* Copyright (C) 1997, Joerg Wunsch.
|
|
*
|
|
* This software is distributed with NO WARRANTIES, not even the implied
|
|
* warranties for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
*
|
|
* Authors grant any other persons or organizations permission to use
|
|
* or modify this software as long as this message is kept with the software,
|
|
* all derivative works or modified versions.
|
|
*
|
|
* From: Version 2.0, Fri Oct 6 20:39:21 MSK 1995
|
|
*
|
|
* From: if_sppp.h,v 1.14 1999/03/30 13:28:26 phk Exp
|
|
*
|
|
* $Id: i4b_isppp.h,v 1.4 2015/09/06 06:01:01 dholland Exp $
|
|
*/
|
|
|
|
#ifndef _NETISDN_I4B_ISPPP_H_
|
|
#define _NETISDN_I4B_ISPPP_H_
|
|
|
|
#define SPPP_VJ /* use VJ compression */
|
|
|
|
#include <sys/ioccom.h>
|
|
|
|
|
|
#ifdef SPPP_VJ
|
|
#if !(defined (KERNEL) || defined (_KERNEL))
|
|
#ifdef __FreeBSD__
|
|
#if 0
|
|
/*
|
|
* this is needed on FreeBSD to make /usr/src/usr.bin/kdump and
|
|
* /usr/src/usr.bin/truss compile.
|
|
*/
|
|
#include <sys/mbuf.h>
|
|
#endif
|
|
#include <netinet/in_systm.h>
|
|
#include <netinet/ip.h>
|
|
#include <net/slcompress.h>
|
|
#endif
|
|
#endif
|
|
#endif
|
|
|
|
#define IDX_LCP 0 /* idx into state table */
|
|
|
|
struct slcp {
|
|
u_long opts; /* LCP options to send (bitfield) */
|
|
u_long magic; /* local magic number */
|
|
u_long mru; /* our max receive unit */
|
|
u_long their_mru; /* their max receive unit */
|
|
u_long protos; /* bitmask of protos that are started */
|
|
u_char echoid; /* id of last keepalive echo request */
|
|
/* restart max values, see RFC 1661 */
|
|
int timeout;
|
|
int max_terminate;
|
|
int max_configure;
|
|
int max_failure;
|
|
};
|
|
|
|
#define IDX_IPCP 1 /* idx into state table */
|
|
|
|
struct sipcp {
|
|
u_long opts; /* IPCP options to send (bitfield) */
|
|
u_int flags;
|
|
#define IPCP_HISADDR_SEEN 1 /* have seen his address already */
|
|
#define IPCP_MYADDR_DYN 2 /* my address is dynamically assigned */
|
|
#define IPCP_MYADDR_SEEN 4 /* have seen his address already */
|
|
#define IPCP_VJ 8 /* We can use VJ compression */
|
|
int max_state; /* Max-Slot-Id */
|
|
int compress_cid; /* Comp-Slot-Id */
|
|
};
|
|
|
|
#define AUTHNAMELEN 32
|
|
#define AUTHKEYLEN 16
|
|
|
|
struct sauth {
|
|
u_short proto; /* authentication protocol to use */
|
|
u_short flags;
|
|
#define AUTHFLAG_NOCALLOUT 1 /* do not require authentication on */
|
|
/* callouts */
|
|
#define AUTHFLAG_NORECHALLENGE 2 /* do not re-challenge CHAP */
|
|
u_char name[AUTHNAMELEN]; /* system identification name */
|
|
u_char secret[AUTHKEYLEN]; /* secret password */
|
|
u_char challenge[AUTHKEYLEN]; /* random challenge */
|
|
};
|
|
|
|
#define IDX_PAP 2
|
|
#define IDX_CHAP 3
|
|
|
|
#define IDX_COUNT (IDX_CHAP + 1) /* bump this when adding cp's! */
|
|
|
|
/*
|
|
* Don't change the order of this. Ordering the phases this way allows
|
|
* for a comparision of ``pp_phase >= PHASE_AUTHENTICATE'' in order to
|
|
* know whether LCP is up.
|
|
*/
|
|
enum ppp_phase {
|
|
PHASE_DEAD, PHASE_ESTABLISH, PHASE_TERMINATE,
|
|
PHASE_AUTHENTICATE, PHASE_NETWORK
|
|
};
|
|
|
|
struct sppp {
|
|
/* NB: pp_if _must_ be first */
|
|
struct ifnet pp_if; /* network interface data */
|
|
struct ifqueue pp_fastq; /* fast output queue */
|
|
struct ifqueue pp_cpq; /* PPP control protocol queue */
|
|
struct sppp *pp_next; /* next interface in keepalive list */
|
|
u_int pp_mode; /* major protocol modes (cisco/ppp/...) */
|
|
u_int pp_flags; /* sub modes */
|
|
u_short pp_alivecnt; /* keepalive packets counter */
|
|
u_short pp_loopcnt; /* loopback detection counter */
|
|
u_long pp_seq; /* local sequence number */
|
|
u_long pp_rseq; /* remote sequence number */
|
|
time_t pp_last_sent;
|
|
time_t pp_last_recv;
|
|
enum ppp_phase pp_phase; /* phase we're currently in */
|
|
int state[IDX_COUNT]; /* state machine */
|
|
u_char confid[IDX_COUNT]; /* id of last configuration request */
|
|
int rst_counter[IDX_COUNT]; /* restart counter */
|
|
int fail_counter[IDX_COUNT]; /* negotiation failure counter */
|
|
#if defined(__FreeBSD__) && __FreeBSD__ >= 3
|
|
struct callout_handle ch[IDX_COUNT]; /* per-proto and if callouts */
|
|
struct callout_handle pap_my_to_ch; /* PAP needs one more... */
|
|
#endif
|
|
struct slcp lcp; /* LCP params */
|
|
struct sipcp ipcp; /* IPCP params */
|
|
struct sauth myauth; /* auth params, i'm peer */
|
|
struct sauth hisauth; /* auth params, i'm authenticator */
|
|
#ifdef SPPP_VJ
|
|
int enable_vj; /* enable VJ negotiation */
|
|
struct slcompress pp_comp; /* for VJ compression */
|
|
#endif
|
|
/*
|
|
* These functions are filled in by sppp_attach(), and are
|
|
* expected to be used by the lower layer (hardware) drivers
|
|
* in order to communicate the (un)availability of the
|
|
* communication link. Lower layer drivers that are always
|
|
* ready to communicate (like hardware HDLC) can shortcut
|
|
* pp_up from pp_tls, and pp_down from pp_tlf.
|
|
*/
|
|
void (*pp_up)(struct sppp *sp);
|
|
void (*pp_down)(struct sppp *sp);
|
|
/*
|
|
* These functions need to be filled in by the lower layer
|
|
* (hardware) drivers if they request notification from the
|
|
* PPP layer whether the link is actually required. They
|
|
* correspond to the tls and tlf actions.
|
|
*/
|
|
void (*pp_tls)(struct sppp *sp);
|
|
void (*pp_tlf)(struct sppp *sp);
|
|
/*
|
|
* These (optional) functions may be filled by the hardware
|
|
* driver if any notification of established connections
|
|
* (currently: IPCP up) is desired (pp_con) or any internal
|
|
* state change of the interface state machine should be
|
|
* signaled for monitoring purposes (pp_chg).
|
|
*/
|
|
void (*pp_con)(struct sppp *sp);
|
|
void (*pp_chg)(struct sppp *sp, int new_state);
|
|
/* These two fields are for use by the lower layer */
|
|
void *pp_lowerp;
|
|
int pp_loweri;
|
|
};
|
|
|
|
#define PP_KEEPALIVE 0x01 /* use keepalive protocol */
|
|
#define PP_CALLIN 0x08 /* we are being called */
|
|
#define PP_NEEDAUTH 0x10 /* remote requested authentication */
|
|
|
|
|
|
#define PP_MTU 1500 /* default/minimal MRU */
|
|
#define PP_MAX_MRU 2048 /* maximal MRU we want to negotiate */
|
|
|
|
/*
|
|
* Definitions to pass struct sppp data down into the kernel using the
|
|
* SIOC[SG]IFGENERIC ioctl interface.
|
|
*
|
|
* In order to use this, create a struct spppreq, fill in the cmd
|
|
* field with SPPPIOGDEFS, and put the address of this structure into
|
|
* the ifr_data portion of a struct ifreq. Pass this struct to a
|
|
* SIOCGIFGENERIC ioctl. Then replace the cmd field by SPPPIOCDEFS,
|
|
* modify the defs field as desired, and pass the struct ifreq now
|
|
* to a SIOCSIFGENERIC ioctl.
|
|
*/
|
|
|
|
#define SPPPIOGDEFS ((void *)(('S' << 24) + (1 << 16) + sizeof(struct sppp)))
|
|
#define SPPPIOSDEFS ((void *)(('S' << 24) + (2 << 16) + sizeof(struct sppp)))
|
|
|
|
struct spppreq {
|
|
u_long cmd;
|
|
struct sppp defs;
|
|
};
|
|
|
|
#ifndef SIOCSIFGENERIC
|
|
#define SIOCSIFGENERIC _IOW('i', 57, struct ifreq) /* generic IF set op */
|
|
#endif
|
|
|
|
#ifndef SIOCGIFGENERIC
|
|
#define SIOCGIFGENERIC _IOWR('i', 58, struct ifreq) /* generic IF get op */
|
|
#endif
|
|
|
|
#if defined(KERNEL) || defined(_KERNEL)
|
|
|
|
#ifndef USE_ISPPP
|
|
|
|
void sppp_attach (struct ifnet *ifp);
|
|
void sppp_detach (struct ifnet *ifp);
|
|
void sppp_input (struct ifnet *ifp, struct mbuf *m);
|
|
|
|
#if defined(__FreeBSD_version) && __FreeBSD_version >= 300003
|
|
int sppp_ioctl (struct ifnet *ifp, u_long cmd, void *data);
|
|
#else
|
|
#ifdef __FreeBSD__
|
|
int sppp_ioctl (struct ifnet *ifp, int cmd, void *data);
|
|
#else
|
|
int sppp_ioctl (struct ifnet *ifp, u_long cmd, void *data);
|
|
#endif
|
|
#endif
|
|
|
|
struct mbuf *sppp_dequeue (struct ifnet *ifp);
|
|
struct mbuf *sppp_pick(struct ifnet *ifp);
|
|
int sppp_isempty (struct ifnet *ifp);
|
|
void sppp_flush (struct ifnet *ifp);
|
|
|
|
#else /* USE_ISPPP */
|
|
|
|
void isppp_attach (struct ifnet *ifp);
|
|
void isppp_detach (struct ifnet *ifp);
|
|
void isppp_input (struct ifnet *ifp, struct mbuf *m);
|
|
|
|
#if defined(__FreeBSD_version) && __FreeBSD_version >= 300003
|
|
int isppp_ioctl (struct ifnet *ifp, u_long cmd, void *data);
|
|
#else
|
|
#ifdef __FreeBSD__
|
|
int isppp_ioctl (struct ifnet *ifp, int cmd, void *data);
|
|
#else
|
|
int isppp_ioctl (struct ifnet *ifp, u_long cmd, void *data);
|
|
#endif
|
|
#endif
|
|
|
|
struct mbuf *isppp_dequeue (struct ifnet *ifp);
|
|
struct mbuf *isppp_pick(struct ifnet *ifp);
|
|
int isppp_isempty (struct ifnet *ifp);
|
|
void isppp_flush (struct ifnet *ifp);
|
|
#endif /* USE_ISPPP */
|
|
|
|
#endif /* KERNEL */
|
|
|
|
#endif /* !_NETISDN_I4B_ISPPP_H_ */
|