include/inet/arp.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  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25 /* Copyright (c) 1990 Mentat Inc. */
  26
  27 #ifndef _INET_ARP_H
  28 #define _INET_ARP_H
  29
  30 #include <sys/types.h>
  31
  32 #ifdef  __cplusplus
  33 extern "C" {
  34 #endif
  35
  36 /*
  37  * Warning: the interfaces described in this file are private to the
  38  * implementation.  They may change at any time without notice and are not
  39  * documented.  Do not depend on them.
  40  */
  41
  42 #define ARP_REQUEST     1
  43 #define ARP_RESPONSE    2
  44 #define RARP_REQUEST    3
  45 #define RARP_RESPONSE   4
  46
  47 /* Both ace_flags; must also modify arp.c in mdb */
  48 #define ACE_F_PERMANENT         0x0001
  49 #define ACE_F_PUBLISH           0x0002
  50 #define ACE_F_DYING             0x0004
  51 #define ACE_F_RESOLVED          0x0008
  52 /* Using bit mask extraction from target address */
  53 #define ACE_F_MAPPING           0x0010
  54 #define ACE_F_MYADDR            0x0020  /* IP claims to own this address */
  55 #define ACE_F_UNVERIFIED        0x0040  /* DAD not yet complete */
  56 #define ACE_F_AUTHORITY         0x0080  /* check for duplicate MACs */
  57 #define ACE_F_DEFEND            0x0100  /* single transmit (area_flags only) */
  58 #define ACE_F_OLD               0x0200  /* should revalidate when IP asks */
  59 #define ACE_F_FAST              0x0400  /* fast probe enabled */
  60 #define ACE_F_DELAYED           0x0800  /* rescheduled on arp_defend_rate */
  61 #define ACE_F_DAD_ABORTED       0x1000  /* DAD was aborted on link down */
  62
  63 /* Client Notification Codes */
  64 #define AR_CN_BOGON     1
  65 #define AR_CN_ANNOUNCE  2
  66 #define AR_CN_READY     3               /* DAD complete; address usable */
  67 #define AR_CN_FAILED    4               /* DAD failed; address unusable */
  68
  69 /* ARP Header */
  70 typedef struct arh_s {
  71         uchar_t arh_hardware[2];
  72         uchar_t arh_proto[2];
  73         uchar_t arh_hlen;
  74         uchar_t arh_plen;
  75         uchar_t arh_operation[2];
  76         /* The sender and target hw/proto pairs follow */
  77 } arh_t;
  78
  79 #ifdef  __cplusplus
  80 }
  81 #endif
  82
  83 #endif  /* _INET_ARP_H */