1 /*        $NetBSD: if_sppp.h,v 1.36 2021/05/14 08:41:25 yamaguchi Exp $         */
2 
3 /*-
4  * Copyright (c) 2002 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Martin Husemann <martin@NetBSD.org>.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #ifndef _NET_IF_SPPP_H_
33 #define _NET_IF_SPPP_H_
34 
35 /* ioctls used by the if_spppsubr.c driver */
36 
37 #include <sys/ioccom.h>
38 
39 
40 #define   SPPP_AUTHPROTO_NONE 0
41 #define SPPP_AUTHPROTO_PAP    1
42 #define SPPP_AUTHPROTO_CHAP   2
43 #define SPPP_AUTHPROTO_NOCHG  3
44 
45 #define SPPP_AUTHFLAG_NOCALLOUT                   1         /* do not require authentication on */
46                                                             /* callouts */
47 #define SPPP_AUTHFLAG_NORECHALLENGE     2         /* do not re-challenge CHAP */
48 #define SPPP_AUTHFLAG_PASSIVEAUTHPROTO  4         /* use authproto proposed by peer */
49 
50 struct spppauthcfg {
51           char      ifname[IFNAMSIZ];   /* pppoe interface name */
52           u_int     hisauth;            /* one of SPPP_AUTHPROTO_* above */
53           u_int     myauth;                       /* one of SPPP_AUTHPROTO_* above */
54           u_int     myname_length;                /* includes terminating 0 */
55           u_int     mysecret_length;    /* includes terminating 0 */
56           u_int     hisname_length;               /* includes terminating 0 */
57           u_int     hissecret_length;   /* includes terminating 0 */
58           u_int     myauthflags;
59           u_int     hisauthflags;
60           char      *myname;
61           char      *mysecret;
62           char      *hisname;
63           char      *hissecret;
64 };
65 
66 #define   SPPPGETAUTHCFG      _IOWR('i', 120, struct spppauthcfg)
67 #define   SPPPSETAUTHCFG      _IOW('i', 121, struct spppauthcfg)
68 
69 struct sppplcpcfg {
70           char      ifname[IFNAMSIZ];   /* pppoe interface name */
71           int       lcp_timeout;                  /* LCP timeout, in ticks */
72 };
73 
74 #define   SPPPGETLCPCFG       _IOWR('i', 122, struct sppplcpcfg)
75 #define   SPPPSETLCPCFG       _IOW('i', 123, struct sppplcpcfg)
76 
77 /*
78  * Don't change the order of this.  Ordering the phases this way allows
79  * for a comparison of ``pp_phase >= PHASE_AUTHENTICATE'' in order to
80  * know whether LCP is up.
81  */
82 #define   SPPP_PHASE_DEAD               0
83 #define   SPPP_PHASE_ESTABLISH          1
84 #define   SPPP_PHASE_TERMINATE          2
85 #define   SPPP_PHASE_AUTHENTICATE       3
86 #define   SPPP_PHASE_NETWORK  4
87 
88 struct spppstatus {
89           char      ifname[IFNAMSIZ];   /* pppoe interface name */
90           int       phase;                        /* one of SPPP_PHASE_* above */
91 };
92 
93 #define   SPPPGETSTATUS       _IOWR('i', 124, struct spppstatus)
94 
95 struct spppstatusncp {
96           char      ifname[IFNAMSIZ];   /* pppoe interface name */
97           int       phase;                        /* one of SPPP_PHASE_* above */
98           int       ncpup;                        /* != 0 if at least on NCP is up */
99 };
100 
101 #define   SPPPGETSTATUSNCP    _IOWR('i', 134, struct spppstatusncp)
102 
103 struct spppidletimeout {
104           char      ifname[IFNAMSIZ];   /* pppoe interface name */
105           time_t    idle_seconds;                 /* number of seconds idle before
106                                                    * disconnect, 0 to disable idle-timeout */
107 };
108 
109 struct spppidletimeout50 {
110           char      ifname[IFNAMSIZ];   /* pppoe interface name */
111           uint32_t idle_seconds;                  /* number of seconds idle before
112                                                    * disconnect, 0 to disable idle-timeout */
113 };
114 
115 #define   SPPPGETIDLETO       _IOWR('i', 125, struct spppidletimeout)
116 #define   SPPPSETIDLETO       _IOW('i', 126, struct spppidletimeout)
117 #define   __SPPPGETIDLETO50   _IOWR('i', 125, struct spppidletimeout50)
118 #define   __SPPPSETIDLETO50   _IOW('i', 126, struct spppidletimeout50)
119 
120 struct spppauthfailurestats {
121           char      ifname[IFNAMSIZ];   /* pppoe interface name */
122           int       auth_failures;                /* number of LCP failures since last successful TLU */
123           int       max_failures;                 /* max. allowed authorization failures */
124 };
125 
126 #define   SPPPGETAUTHFAILURES _IOWR('i', 127, struct spppauthfailurestats)
127 
128 struct spppauthfailuresettings {
129           char      ifname[IFNAMSIZ];   /* pppoe interface name */
130           int       max_failures;                 /* max. allowed authorization failures */
131 };
132 #define   SPPPSETAUTHFAILURE  _IOW('i', 128, struct spppauthfailuresettings)
133 
134 /* set the DNS options we would like to query during PPP negotiation */
135 struct spppdnssettings {
136           char      ifname[IFNAMSIZ];   /* pppoe interface name */
137           int       query_dns;                    /* bitmask (bits 0 and 1) for DNS options to query in IPCP */
138 };
139 #define   SPPPSETDNSOPTS                _IOW('i', 129, struct spppdnssettings)
140 #define   SPPPGETDNSOPTS                _IOWR('i', 130, struct spppdnssettings)
141 
142 /* get the DNS addresses we received from the peer */
143 struct spppdnsaddrs {
144           char      ifname[IFNAMSIZ];   /* pppoe interface name */
145           uint32_t dns[2];              /* IP addresses */
146 };
147 
148 #define SPPPGETDNSADDRS                 _IOWR('i', 131, struct spppdnsaddrs)
149 
150 /* set LCP keepalive/timeout options */
151 struct spppkeepalivesettings {
152           char      ifname[IFNAMSIZ];   /* pppoe interface name */
153           u_int     maxalive;           /* number of LCP echo req. w/o reply */
154           time_t    max_noreceive;                /* (sec.) grace period before we start
155                                                      sending LCP echo requests. */
156           u_int     alive_interval;               /* number of keepalive between echo req. */
157 };
158 struct spppkeepalivesettings50 {
159           char      ifname[IFNAMSIZ];   /* pppoe interface name */
160           u_int     maxalive;           /* number of LCP echo req. w/o reply */
161           uint32_t max_noreceive;                 /* (sec.) grace period before we start
162                                                      sending LCP echo requests. */
163 };
164 #define   SPPPSETKEEPALIVE    _IOW('i', 132, struct spppkeepalivesettings)
165 #define   SPPPGETKEEPALIVE    _IOWR('i', 133, struct spppkeepalivesettings)
166 #define   __SPPPSETKEEPALIVE50          _IOW('i', 132, struct spppkeepalivesettings50)
167 #define   __SPPPGETKEEPALIVE50          _IOWR('i', 133, struct spppkeepalivesettings50)
168 
169 /* 134 already used! */
170 
171 /* states are named and numbered according to RFC 1661 */
172 #define SPPP_STATE_INITIAL    0
173 #define SPPP_STATE_STARTING   1
174 #define SPPP_STATE_CLOSED     2
175 #define SPPP_STATE_STOPPED    3
176 #define SPPP_STATE_CLOSING    4
177 #define SPPP_STATE_STOPPING   5
178 #define SPPP_STATE_REQ_SENT   6
179 #define SPPP_STATE_ACK_RCVD   7
180 #define SPPP_STATE_ACK_SENT   8
181 #define SPPP_STATE_OPENED     9
182 
183 #define SPPP_LCP_OPT_MRU                __BIT(1)
184 #define SPPP_LCP_OPT_ASYNC_MAP                    __BIT(2)
185 #define SPPP_LCP_OPT_AUTH_PROTO                   __BIT(3)
186 #define SPPP_LCP_OPT_QUAL_PROTO                   __BIT(4)
187 #define SPPP_LCP_OPT_MAGIC              __BIT(5)
188 #define SPPP_LCP_OPT_RESERVED           __BIT(6)
189 #define SPPP_LCP_OPT_PROTO_COMP                   __BIT(7)
190 #define SPPP_LCP_OPT_ADDR_COMP                    __BIT(8)
191 #define SPPP_LCP_OPT_FCS_ALTS           __BIT(9)
192 #define SPPP_LCP_OPT_SELF_DESC_PAD      __BIT(10)
193 #define SPPP_LCP_OPT_CALL_BACK                    __BIT(13)
194 #define SPPP_LCP_OPT_COMPOUND_FRMS      __BIT(15)
195 #define SPPP_LCP_OPT_MP_MRRU            __BIT(17)
196 #define SPPP_LCP_OPT_MP_SSNHF           __BIT(18)
197 #define SPPP_LCP_OPT_MP_EID             __BIT(19)
198 
199 /* #define SPPP_OPT_ADDRESSES __BIT(0) */
200 #define SPPP_IPCP_OPT_COMPRESSION       __BIT(1)
201 #define SPPP_IPCP_OPT_ADDRESS           __BIT(2)
202 #define SPPP_IPCP_OPT_PRIMDNS           __BIT(3)
203 #define SPPP_IPCP_OPT_SECDNS            __BIT(4)
204 
205 #define SPPP_IPV6CP_OPT_IFID            __BIT(1)
206 #define SPPP_IPV6CP_OPT_COMPRESSION     __BIT(2)
207 
208 struct sppplcpstatus {
209           char      ifname[IFNAMSIZ];
210           int       state;
211           int       timeout;
212           u_long    opts;
213           u_long    magic;
214           u_long    mru;
215 };
216 
217 #define SPPPGETLCPSTATUS      _IOWR('i', 135, struct sppplcpstatus)
218 
219 struct spppipcpstatus {
220           char                ifname[IFNAMSIZ];
221           int                 state;
222           u_long              opts;
223           u_int32_t myaddr;
224 };
225 
226 #define SPPPGETIPCPSTATUS     _IOWR('i', 136, struct spppipcpstatus)
227 
228 struct spppipv6cpstatus {
229           char                ifname[IFNAMSIZ];
230           int                 state;
231           u_long              opts;
232           u_int8_t  my_ifid[8];
233           u_int8_t  his_ifid[8];
234 };
235 
236 #define SPPPGETIPV6CPSTATUS   _IOWR('i', 137, struct spppipv6cpstatus)
237 
238 #define SPPP_NCP_IPCP                   __BIT(0)
239 #define SPPP_NCP_IPV6CP                 __BIT(1)
240 struct spppncpcfg {
241           char                ifname[IFNAMSIZ];
242           u_int               ncp_flags;
243 };
244 
245 #define SPPPGETNCPCFG                   _IOWR('i', 138, struct spppncpcfg)
246 #define SPPPSETNCPCFG                   _IOW('i', 139, struct spppncpcfg)
247 
248 #endif /* !_NET_IF_SPPP_H_ */
249 
250