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      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 */
     64