include/inet/ip2mac.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #ifndef _IP2MAC_H
  28 #define _IP2MAC_H
  29 #ifdef __cplusplus
  30 extern "C" {
  31 #endif
  32
  33 #include <sys/types.h>
  34 #include <sys/socket_impl.h>
  35 #include <net/if_dl.h>
  36
  37 #ifdef _KERNEL
  38 /*
  39  * IP address -> link layer address conversion routines and structures.
  40  */
  41 typedef struct ip2mac {
  42         struct sockaddr_storage ip2mac_pa;
  43         struct sockaddr_dl      ip2mac_ha;
  44         uint_t                  ip2mac_err;
  45         uint_t                  ip2mac_ifindex;
  46 } ip2mac_t;
  47
  48 #define IP2MAC_RESOLVE  0x01    /* Asynchronously resolve, if needed */
  49 #define IP2MAC_LOOKUP   0x02    /* Lookup only */
  50
  51 typedef void *ip2mac_id_t;
  52 typedef void (ip2mac_callback_t)(ip2mac_t *, void *);
  53
  54 extern  ip2mac_id_t ip2mac(uint_t, ip2mac_t *, ip2mac_callback_t *,
  55     void *, zoneid_t);
  56 extern  int ip2mac_cancel(ip2mac_id_t, zoneid_t);
  57 #endif /* _KERNEL */
  58
  59 #ifdef __cplusplus
  60 }
  61 #endif
  62
  63 #endif /* _IP2MAC_H */