/*      $NetBSD: if_sppp.h,v 1.36 2021/05/14 08:41:25 yamaguchi Exp $   */

/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Martin Husemann <[email protected]>.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/

#ifndef _NET_IF_SPPP_H_
#define _NET_IF_SPPP_H_

/* ioctls used by the if_spppsubr.c driver */

#include <sys/ioccom.h>


#define SPPP_AUTHPROTO_NONE     0
#define SPPP_AUTHPROTO_PAP      1
#define SPPP_AUTHPROTO_CHAP     2
#define SPPP_AUTHPROTO_NOCHG    3

#define SPPP_AUTHFLAG_NOCALLOUT         1       /* do not require authentication on */
                                               /* callouts */
#define SPPP_AUTHFLAG_NORECHALLENGE     2       /* do not re-challenge CHAP */
#define SPPP_AUTHFLAG_PASSIVEAUTHPROTO  4       /* use authproto proposed by peer */

struct spppauthcfg {
       char    ifname[IFNAMSIZ];       /* pppoe interface name */
       u_int   hisauth;                /* one of SPPP_AUTHPROTO_* above */
       u_int   myauth;                 /* one of SPPP_AUTHPROTO_* above */
       u_int   myname_length;          /* includes terminating 0 */
       u_int   mysecret_length;        /* includes terminating 0 */
       u_int   hisname_length;         /* includes terminating 0 */
       u_int   hissecret_length;       /* includes terminating 0 */
       u_int   myauthflags;
       u_int   hisauthflags;
       char    *myname;
       char    *mysecret;
       char    *hisname;
       char    *hissecret;
};

#define SPPPGETAUTHCFG  _IOWR('i', 120, struct spppauthcfg)
#define SPPPSETAUTHCFG  _IOW('i', 121, struct spppauthcfg)

struct sppplcpcfg {
       char    ifname[IFNAMSIZ];       /* pppoe interface name */
       int     lcp_timeout;            /* LCP timeout, in ticks */
};

#define SPPPGETLCPCFG   _IOWR('i', 122, struct sppplcpcfg)
#define SPPPSETLCPCFG   _IOW('i', 123, struct sppplcpcfg)

/*
* Don't change the order of this.  Ordering the phases this way allows
* for a comparison of ``pp_phase >= PHASE_AUTHENTICATE'' in order to
* know whether LCP is up.
*/
#define SPPP_PHASE_DEAD         0
#define SPPP_PHASE_ESTABLISH    1
#define SPPP_PHASE_TERMINATE    2
#define SPPP_PHASE_AUTHENTICATE 3
#define SPPP_PHASE_NETWORK      4

struct spppstatus {
       char    ifname[IFNAMSIZ];       /* pppoe interface name */
       int     phase;                  /* one of SPPP_PHASE_* above */
};

#define SPPPGETSTATUS   _IOWR('i', 124, struct spppstatus)

struct spppstatusncp {
       char    ifname[IFNAMSIZ];       /* pppoe interface name */
       int     phase;                  /* one of SPPP_PHASE_* above */
       int     ncpup;                  /* != 0 if at least on NCP is up */
};

#define SPPPGETSTATUSNCP        _IOWR('i', 134, struct spppstatusncp)

struct spppidletimeout {
       char    ifname[IFNAMSIZ];       /* pppoe interface name */
       time_t  idle_seconds;           /* number of seconds idle before
                                        * disconnect, 0 to disable idle-timeout */
};

struct spppidletimeout50 {
       char    ifname[IFNAMSIZ];       /* pppoe interface name */
       uint32_t idle_seconds;          /* number of seconds idle before
                                        * disconnect, 0 to disable idle-timeout */
};

#define SPPPGETIDLETO   _IOWR('i', 125, struct spppidletimeout)
#define SPPPSETIDLETO   _IOW('i', 126, struct spppidletimeout)
#define __SPPPGETIDLETO50       _IOWR('i', 125, struct spppidletimeout50)
#define __SPPPSETIDLETO50       _IOW('i', 126, struct spppidletimeout50)

struct spppauthfailurestats {
       char    ifname[IFNAMSIZ];       /* pppoe interface name */
       int     auth_failures;          /* number of LCP failures since last successful TLU */
       int     max_failures;           /* max. allowed authorization failures */
};

#define SPPPGETAUTHFAILURES     _IOWR('i', 127, struct spppauthfailurestats)

struct spppauthfailuresettings {
       char    ifname[IFNAMSIZ];       /* pppoe interface name */
       int     max_failures;           /* max. allowed authorization failures */
};
#define SPPPSETAUTHFAILURE      _IOW('i', 128, struct spppauthfailuresettings)

/* set the DNS options we would like to query during PPP negotiation */
struct spppdnssettings {
       char    ifname[IFNAMSIZ];       /* pppoe interface name */
       int     query_dns;              /* bitmask (bits 0 and 1) for DNS options to query in IPCP */
};
#define SPPPSETDNSOPTS          _IOW('i', 129, struct spppdnssettings)
#define SPPPGETDNSOPTS          _IOWR('i', 130, struct spppdnssettings)

/* get the DNS addresses we received from the peer */
struct spppdnsaddrs {
       char    ifname[IFNAMSIZ];       /* pppoe interface name */
       uint32_t dns[2];                /* IP addresses */
};

#define SPPPGETDNSADDRS         _IOWR('i', 131, struct spppdnsaddrs)

/* set LCP keepalive/timeout options */
struct spppkeepalivesettings {
       char    ifname[IFNAMSIZ];       /* pppoe interface name */
       u_int   maxalive;               /* number of LCP echo req. w/o reply */
       time_t  max_noreceive;          /* (sec.) grace period before we start
                                          sending LCP echo requests. */
       u_int   alive_interval;         /* number of keepalive between echo req. */
};
struct spppkeepalivesettings50 {
       char    ifname[IFNAMSIZ];       /* pppoe interface name */
       u_int   maxalive;               /* number of LCP echo req. w/o reply */
       uint32_t max_noreceive;         /* (sec.) grace period before we start
                                          sending LCP echo requests. */
};
#define SPPPSETKEEPALIVE        _IOW('i', 132, struct spppkeepalivesettings)
#define SPPPGETKEEPALIVE        _IOWR('i', 133, struct spppkeepalivesettings)
#define __SPPPSETKEEPALIVE50    _IOW('i', 132, struct spppkeepalivesettings50)
#define __SPPPGETKEEPALIVE50    _IOWR('i', 133, struct spppkeepalivesettings50)

/* 134 already used! */

/* states are named and numbered according to RFC 1661 */
#define SPPP_STATE_INITIAL      0
#define SPPP_STATE_STARTING     1
#define SPPP_STATE_CLOSED       2
#define SPPP_STATE_STOPPED      3
#define SPPP_STATE_CLOSING      4
#define SPPP_STATE_STOPPING     5
#define SPPP_STATE_REQ_SENT     6
#define SPPP_STATE_ACK_RCVD     7
#define SPPP_STATE_ACK_SENT     8
#define SPPP_STATE_OPENED       9

#define SPPP_LCP_OPT_MRU                __BIT(1)
#define SPPP_LCP_OPT_ASYNC_MAP          __BIT(2)
#define SPPP_LCP_OPT_AUTH_PROTO         __BIT(3)
#define SPPP_LCP_OPT_QUAL_PROTO         __BIT(4)
#define SPPP_LCP_OPT_MAGIC              __BIT(5)
#define SPPP_LCP_OPT_RESERVED           __BIT(6)
#define SPPP_LCP_OPT_PROTO_COMP         __BIT(7)
#define SPPP_LCP_OPT_ADDR_COMP          __BIT(8)
#define SPPP_LCP_OPT_FCS_ALTS           __BIT(9)
#define SPPP_LCP_OPT_SELF_DESC_PAD      __BIT(10)
#define SPPP_LCP_OPT_CALL_BACK          __BIT(13)
#define SPPP_LCP_OPT_COMPOUND_FRMS      __BIT(15)
#define SPPP_LCP_OPT_MP_MRRU            __BIT(17)
#define SPPP_LCP_OPT_MP_SSNHF           __BIT(18)
#define SPPP_LCP_OPT_MP_EID             __BIT(19)

/* #define SPPP_OPT_ADDRESSES   __BIT(0) */
#define SPPP_IPCP_OPT_COMPRESSION       __BIT(1)
#define SPPP_IPCP_OPT_ADDRESS           __BIT(2)
#define SPPP_IPCP_OPT_PRIMDNS           __BIT(3)
#define SPPP_IPCP_OPT_SECDNS            __BIT(4)

#define SPPP_IPV6CP_OPT_IFID            __BIT(1)
#define SPPP_IPV6CP_OPT_COMPRESSION     __BIT(2)

struct sppplcpstatus {
       char    ifname[IFNAMSIZ];
       int     state;
       int     timeout;
       u_long  opts;
       u_long  magic;
       u_long  mru;
};

#define SPPPGETLCPSTATUS        _IOWR('i', 135, struct sppplcpstatus)

struct spppipcpstatus {
       char            ifname[IFNAMSIZ];
       int             state;
       u_long          opts;
       u_int32_t       myaddr;
};

#define SPPPGETIPCPSTATUS       _IOWR('i', 136, struct spppipcpstatus)

struct spppipv6cpstatus {
       char            ifname[IFNAMSIZ];
       int             state;
       u_long          opts;
       u_int8_t        my_ifid[8];
       u_int8_t        his_ifid[8];
};

#define SPPPGETIPV6CPSTATUS     _IOWR('i', 137, struct spppipv6cpstatus)

#define SPPP_NCP_IPCP           __BIT(0)
#define SPPP_NCP_IPV6CP         __BIT(1)
struct spppncpcfg {
       char            ifname[IFNAMSIZ];
       u_int           ncp_flags;
};

#define SPPPGETNCPCFG           _IOWR('i', 138, struct spppncpcfg)
#define SPPPSETNCPCFG           _IOW('i', 139, struct spppncpcfg)

#endif /* !_NET_IF_SPPP_H_ */

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