FreeBSD/Linux Kernel Cross Reference
sys/netinet6/scope6_var.h

     /*-
      * SPDX-License-Identifier: BSD-3-Clause
      *
      * Copyright (C) 2000 WIDE Project.
      * All rights reserved.
      *
      * 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.
     * 3. Neither the name of the project nor the names of its contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE PROJECT 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 PROJECT 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.
     *
     *      $KAME: scope6_var.h,v 1.4 2000/05/18 15:03:27 jinmei Exp $
     * $FreeBSD$
     */
    
    #ifndef _NETINET6_SCOPE6_VAR_H_
    #define _NETINET6_SCOPE6_VAR_H_
    
    #ifdef _KERNEL
    #include <net/vnet.h>
    
    #define IPV6_ADDR_SCOPES_COUNT  16
    struct scope6_id {
            /*
             * 16 is correspondent to 4bit multicast scope field.
             * i.e. from node-local to global with some reserved/unassigned types.
             */
            uint32_t s6id_list[IPV6_ADDR_SCOPES_COUNT];
    };
    
    void    scope6_init(void);
    struct scope6_id *scope6_ifattach(struct ifnet *);
    void    scope6_ifdetach(struct scope6_id *);
    int     scope6_ioctl(u_long cmd, caddr_t data, struct ifnet *);
    void    scope6_setdefault(struct ifnet *);
    int     scope6_get_default(struct scope6_id *);
    u_int32_t scope6_addr2default(struct in6_addr *);
    int     sa6_embedscope(struct sockaddr_in6 *, int);
    int     sa6_recoverscope(struct sockaddr_in6 *);
    int     sa6_checkzone(struct sockaddr_in6 *);
    int     sa6_checkzone_ifp(struct ifnet *, struct sockaddr_in6 *);
    int     in6_setscope(struct in6_addr *, struct ifnet *, u_int32_t *);
    int     in6_clearscope(struct in6_addr *);
    uint16_t in6_getscope(const struct in6_addr *);
    uint32_t in6_getscopezone(const struct ifnet *, int);
    void    in6_splitscope(const struct in6_addr *, struct in6_addr *, uint32_t *);
    struct ifnet* in6_getlinkifnet(uint32_t);
    uint32_t in6_get_unicast_scopeid(const struct in6_addr *, const struct ifnet *);
    void    in6_set_unicast_scopeid(struct in6_addr *, uint32_t);
    #endif /* _KERNEL */
    
    #endif /* _NETINET6_SCOPE6_VAR_H_ */

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