1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (C) 2000 WIDE Project. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 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. 18 * 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 29 * SUCH DAMAGE. 30 * 31 * $KAME: scope6_var.h,v 1.4 2000/05/18 15:03:27 jinmei Exp $ 32 */ 33 34 #ifndef _NETINET6_SCOPE6_VAR_H_ 35 #define _NETINET6_SCOPE6_VAR_H_ 36 37 #ifdef _KERNEL 38 #include <net/vnet.h> 39 40 #define IPV6_ADDR_SCOPES_COUNT 16 41 struct scope6_id { 42 /* 43 * 16 is correspondent to 4bit multicast scope field. 44 * i.e. from node-local to global with some reserved/unassigned types. 45 */ 46 uint32_t s6id_list[IPV6_ADDR_SCOPES_COUNT]; 47 }; 48 49 void scope6_init(void); 50 struct scope6_id *scope6_ifattach(struct ifnet *); 51 void scope6_ifdetach(struct scope6_id *); 52 int scope6_ioctl(u_long cmd, caddr_t data, struct ifnet *); 53 void scope6_setdefault(struct ifnet *); 54 int scope6_get_default(struct scope6_id *); 55 u_int32_t scope6_addr2default(struct in6_addr *); 56 int sa6_embedscope(struct sockaddr_in6 *, int); 57 int sa6_recoverscope(struct sockaddr_in6 *); 58 int sa6_checkzone(struct sockaddr_in6 *); 59 int sa6_checkzone_ifp(struct ifnet *, struct sockaddr_in6 *); 60 int in6_setscope(struct in6_addr *, struct ifnet *, u_int32_t *); 61 int in6_clearscope(struct in6_addr *); 62 uint16_t in6_getscope(const struct in6_addr *); 63 uint32_t in6_getscopezone(const struct ifnet *, int); 64 void in6_splitscope(const struct in6_addr *, struct in6_addr *, uint32_t *); 65 struct ifnet* in6_getlinkifnet(uint32_t); 66 uint32_t in6_get_unicast_scopeid(const struct in6_addr *, const struct ifnet *); 67 void in6_set_unicast_scopeid(struct in6_addr *, uint32_t); 68 #endif /* _KERNEL */ 69 70 #endif /* _NETINET6_SCOPE6_VAR_H_ */ 71