1 /* $KAME: rtsold.h,v 1.19 2003/04/16 09:48:15 itojun Exp $ */
4 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the project nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 TAILQ_ENTRY(script_msg) sm_next;
40 TAILQ_HEAD(script_msg_head_t, script_msg);
43 TAILQ_ENTRY(ra_opt) rao_next;
46 struct timespec rao_expire;
51 TAILQ_HEAD(rainfo_head, ra_opt);
54 TAILQ_ENTRY(rainfo) rai_next;
56 struct ifinfo *rai_ifinfo;
57 struct sockaddr_in6 rai_saddr;
58 TAILQ_HEAD(, ra_opt) rai_ra_opt;
62 TAILQ_ENTRY(ifinfo) ifi_next; /* pointer to the next interface */
64 struct sockaddr_dl *sdl; /* link-layer address */
65 char ifname[IFNAMSIZ]; /* interface name */
66 u_int32_t linkid; /* link ID of this interface */
67 int active; /* interface status */
68 int probeinterval; /* interval of probe timer (if necessary) */
69 int probetimer; /* rest of probe timer */
70 int mediareqok; /* whether the IF supports SIOCGIFMEDIA */
71 int otherconfig; /* need a separate protocol for the "other"
76 struct timespec timer;
77 struct timespec expire;
78 int errors; /* # of errors we've got - detect wedge */
79 #define IFI_DNSOPT_STATE_NOINFO 0
80 #define IFI_DNSOPT_STATE_RECEIVED 1
81 int ifi_rdnss; /* RDNSS option state */
82 int ifi_dnssl; /* DNSSL option state */
84 int racnt; /* total # of valid RAs it have got */
85 TAILQ_HEAD(, rainfo) ifi_rainfo;
91 /* per interface status */
96 #define IFS_TENTATIVE 4
99 extern TAILQ_HEAD(ifinfo_head_t, ifinfo) ifinfo_head;
101 #define DNSINFO_ORIGIN_LABEL "slaac"
103 * RFC 3542 API deprecates IPV6_PKTINFO in favor of
106 #ifndef IPV6_RECVPKTINFO
108 #define IPV6_RECVPKTINFO IPV6_PKTINFO
112 * RFC 3542 API deprecates IPV6_HOPLIMIT in favor of
115 #ifndef IPV6_RECVHOPLIMIT
117 #define IPV6_RECVHOPLIMIT IPV6_HOPLIMIT
121 #ifndef IN6ADDR_LINKLOCAL_ALLROUTERS_INIT
122 #define IN6ADDR_LINKLOCAL_ALLROUTERS_INIT \
123 {{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
124 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 }}}
127 #define TS_CMP(tsp, usp, cmp) \
128 (((tsp)->tv_sec == (usp)->tv_sec) ? \
129 ((tsp)->tv_nsec cmp (usp)->tv_nsec) : \
130 ((tsp)->tv_sec cmp (usp)->tv_sec))
131 #define TS_ADD(tsp, usp, vsp) \
133 (vsp)->tv_sec = (tsp)->tv_sec + (usp)->tv_sec; \
134 (vsp)->tv_nsec = (tsp)->tv_nsec + (usp)->tv_nsec; \
135 if ((vsp)->tv_nsec >= 1000000000L) { \
137 (vsp)->tv_nsec -= 1000000000L; \
140 #define TS_SUB(tsp, usp, vsp) \
142 (vsp)->tv_sec = (tsp)->tv_sec - (usp)->tv_sec; \
143 (vsp)->tv_nsec = (tsp)->tv_nsec - (usp)->tv_nsec; \
144 if ((vsp)->tv_nsec < 0) { \
146 (vsp)->tv_nsec += 1000000000L; \
151 extern struct timespec tm_max;
156 extern const char *otherconf_script;
157 extern const char *resolvconf_script;
158 extern int ifconfig(char *);
159 extern void iflist_init(void);
160 struct ifinfo *find_ifinfo(int);
161 struct rainfo *find_rainfo(struct ifinfo *, struct sockaddr_in6 *);
162 void rtsol_timer_update(struct ifinfo *);
163 extern void warnmsg(int, const char *, const char *, ...)
164 __attribute__((__format__(__printf__, 3, 4)));
165 extern char **autoifprobe(void);
166 extern int ra_opt_handler(struct ifinfo *);
169 extern int ifinit(void);
170 extern int interface_up(char *);
171 extern int interface_status(struct ifinfo *);
172 extern int lladdropt_length(struct sockaddr_dl *);
173 extern void lladdropt_fill(struct sockaddr_dl *, struct nd_opt_hdr *);
174 extern struct sockaddr_dl *if_nametosdl(char *);
175 extern int getinet6sysctl(int);
176 extern int setinet6sysctl(int, int);
180 extern int sockopen(void);
181 extern void sendpacket(struct ifinfo *);
182 extern void rtsol_input(int);
185 extern int probe_init(void);
186 extern void defrouter_probe(struct ifinfo *);
189 extern void rtsold_dump_file(const char *);
190 extern const char *sec2str(const struct timespec *);
193 extern int rtsock_open(void);
194 extern int rtsock_input(int);