1 /*- 2 * Copyright (C) 2000 WIDE Project. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the project nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * $KAME: scope6_var.h,v 1.4 2000/05/18 15:03:27 jinmei Exp $ 30 * $FreeBSD$ 31 */ 32 33 #ifndef _NETINET6_SCOPE6_VAR_H_ 34 #define _NETINET6_SCOPE6_VAR_H_ 35 36 #ifdef _KERNEL 37 #include <net/vnet.h> 38 39 #define IPV6_ADDR_SCOPES_COUNT 16 40 struct scope6_id { 41 /* 42 * 16 is correspondent to 4bit multicast scope field. 43 * i.e. from node-local to global with some reserved/unassigned types. 44 */ 45 uint32_t s6id_list[IPV6_ADDR_SCOPES_COUNT]; 46 }; 47 48 VNET_DECLARE(int, deembed_scopeid); 49 #define V_deembed_scopeid VNET(deembed_scopeid) 50 51 void scope6_init(void); 52 struct scope6_id *scope6_ifattach(struct ifnet *); 53 void scope6_ifdetach(struct scope6_id *); 54 int scope6_ioctl(u_long cmd, caddr_t data, struct ifnet *); 55 void scope6_setdefault(struct ifnet *); 56 int scope6_get_default(struct scope6_id *); 57 u_int32_t scope6_addr2default(struct in6_addr *); 58 int sa6_embedscope(struct sockaddr_in6 *, int); 59 int sa6_recoverscope(struct sockaddr_in6 *); 60 int sa6_checkzone(struct sockaddr_in6 *); 61 int sa6_checkzone_ifp(struct ifnet *, struct sockaddr_in6 *); 62 int in6_setscope(struct in6_addr *, struct ifnet *, u_int32_t *); 63 int in6_clearscope(struct in6_addr *); 64 uint16_t in6_getscope(struct in6_addr *); 65 uint32_t in6_getscopezone(const struct ifnet *, int); 66 void in6_splitscope(const struct in6_addr *, struct in6_addr *, uint32_t *); 67 struct ifnet* in6_getlinkifnet(uint32_t); 68 #endif /* _KERNEL */ 69 70 #endif /* _NETINET6_SCOPE6_VAR_H_ */ 71