174 lines
6.6 KiB
C
174 lines
6.6 KiB
C
/* $NetBSD: if_spppvar.h,v 1.11 2005/12/10 23:21:38 elad Exp $ */
|
|
|
|
#ifndef _NET_IF_SPPPVAR_H_
|
|
#define _NET_IF_SPPPVAR_H_
|
|
|
|
/*
|
|
* 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 1.8 1997/10/11 11:25:20 joerg Exp
|
|
*
|
|
* From: Id: if_sppp.h,v 1.7 1998/12/01 20:20:19 hm Exp
|
|
*/
|
|
|
|
#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 */
|
|
#define IDX_IPV6CP 2 /* 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_SEEN 2 /* have a local address assigned already */
|
|
#define IPCP_MYADDR_DYN 4 /* my address is dynamically assigned */
|
|
#define IPCP_HISADDR_DYN 8 /* his address is dynamically assigned */
|
|
#ifdef notdef
|
|
#define IPV6CP_MYIFID_DYN 2 /* my ifid is dynamically assigned */
|
|
#endif
|
|
#define IPV6CP_MYIFID_SEEN 4 /* have seen his ifid already */
|
|
u_int32_t saved_hisaddr;/* if hisaddr (IPv4) is dynamic, save original one here, in network byte order */
|
|
u_int32_t req_hisaddr; /* remote address requested */
|
|
u_int32_t req_myaddr; /* local address requested */
|
|
};
|
|
|
|
struct sauth {
|
|
u_short proto; /* authentication protocol to use */
|
|
u_short flags;
|
|
char *name; /* system identification name */
|
|
char *secret; /* secret password */
|
|
u_char name_len; /* no need to have a bigger size */
|
|
u_char secret_len; /* because proto gives size in a byte */
|
|
char challenge[16]; /* random challenge [don't change size! it's really hardcoded!] */
|
|
};
|
|
|
|
#define IDX_PAP 3
|
|
#define IDX_CHAP 4
|
|
|
|
#define IDX_COUNT (IDX_CHAP + 1) /* bump this when adding cp's! */
|
|
|
|
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_flags; /* use Cisco protocol instead of PPP */
|
|
u_int pp_framebytes; /* number of bytes added by (hardware) framing */
|
|
u_int pp_alivecnt; /* keepalive packets counter */
|
|
u_int pp_loopcnt; /* loopback detection counter */
|
|
u_int pp_maxalive; /* number or echo req. w/o reply */
|
|
u_long pp_seq[IDX_COUNT]; /* local sequence number */
|
|
u_long pp_rseq[IDX_COUNT]; /* remote sequence number */
|
|
u_quad_t pp_saved_mtu; /* saved MTU value */
|
|
time_t pp_last_receive; /* peer's last "sign of life" */
|
|
time_t pp_max_noreceive; /* seconds since last receive before
|
|
we start to worry and send echo
|
|
requests */
|
|
time_t pp_last_activity; /* second of last payload data s/r */
|
|
time_t pp_idle_timeout; /* idle seconds before auto-disconnect,
|
|
* 0 = disabled */
|
|
int pp_auth_failures; /* authorization failures */
|
|
int pp_max_auth_fail; /* max. allowed authorization failures */
|
|
int pp_phase; /* phase we're currently in */
|
|
int query_dns; /* 1 if we want to know the dns addresses */
|
|
u_int32_t dns_addrs[2];
|
|
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(__NetBSD__)
|
|
struct callout ch[IDX_COUNT]; /* per-proto and if callouts */
|
|
struct callout pap_my_to_ch; /* PAP needs one more... */
|
|
#endif
|
|
#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 sipcp ipv6cp; /* IPv6CP params */
|
|
struct sauth myauth; /* auth params, i'm peer */
|
|
struct sauth hisauth; /* auth params, i'm authenticator */
|
|
/*
|
|
* 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 *);
|
|
void (*pp_down)(struct sppp *);
|
|
/*
|
|
* 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 *);
|
|
void (*pp_tlf)(struct sppp *);
|
|
/*
|
|
* 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 *);
|
|
void (*pp_chg)(struct sppp *, int);
|
|
};
|
|
|
|
#define PP_KEEPALIVE 0x01 /* use keepalive protocol */
|
|
#define PP_CISCO 0x02 /* use Cisco protocol instead of PPP */
|
|
/* 0x04 was PP_TIMO */
|
|
#define PP_CALLIN 0x08 /* we are being called */
|
|
#define PP_NEEDAUTH 0x10 /* remote requested authentication */
|
|
#define PP_NOFRAMING 0x20 /* do not add/expect encapsulation
|
|
around PPP frames (i.e. the serial
|
|
HDLC like encapsulation, RFC1662) */
|
|
|
|
|
|
#define PP_MTU 1500 /* default/minimal MRU */
|
|
#define PP_MAX_MRU 2048 /* maximal MRU we want to negotiate */
|
|
|
|
#ifdef _KERNEL
|
|
void sppp_attach (struct ifnet *);
|
|
void sppp_detach (struct ifnet *);
|
|
void sppp_input (struct ifnet *, struct mbuf *);
|
|
int sppp_ioctl(struct ifnet *, u_long, void *);
|
|
struct mbuf *sppp_dequeue (struct ifnet *);
|
|
int sppp_isempty (struct ifnet *);
|
|
void sppp_flush (struct ifnet *);
|
|
#endif
|
|
#endif /* !_NET_IF_SPPPVAR_H_ */
|