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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1990 Mentat Inc. */
#ifndef _INET_ARP_H
#define _INET_ARP_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/types.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* Warning: the interfaces described in this file are private to the
* implementation. They may change at any time without notice and are not
* documented. Do not depend on them.
*/
#define ARP_REQUEST 1
#define ARP_RESPONSE 2
#define RARP_REQUEST 3
#define RARP_RESPONSE 4
#define AR_IOCTL (((unsigned)'A' & 0xFF)<<8)
#define CMD_IN_PROGRESS 0x10000
#define AR_ENTRY_ADD (AR_IOCTL + 1)
#define AR_ENTRY_DELETE (AR_IOCTL + 2)
#define AR_ENTRY_QUERY (AR_IOCTL + 3)
#define AR_ENTRY_SQUERY (AR_IOCTL + 6)
#define AR_MAPPING_ADD (AR_IOCTL + 7)
#define AR_CLIENT_NOTIFY (AR_IOCTL + 8)
#define AR_INTERFACE_UP (AR_IOCTL + 9)
#define AR_INTERFACE_DOWN (AR_IOCTL + 10)
#define AR_INTERFACE_ON (AR_IOCTL + 12)
#define AR_INTERFACE_OFF (AR_IOCTL + 13)
#define AR_DLPIOP_DONE (AR_IOCTL + 14)
/*
* This is not an ARP command per se, it is used to interface between
* ARP and IP during close.
*/
#define AR_ARP_CLOSING (AR_IOCTL + 16)
#define AR_ARP_EXTEND (AR_IOCTL + 17)
/* Both ace_flags and area_flags; must also modify arp.c in mdb */
#define ACE_F_PERMANENT 0x0001
#define ACE_F_PUBLISH 0x0002
#define ACE_F_DYING 0x0004
#define ACE_F_RESOLVED 0x0008
/* Using bit mask extraction from target address */
#define ACE_F_MAPPING 0x0010
#define ACE_F_MYADDR 0x0020 /* IP claims to own this address */
#define ACE_F_UNVERIFIED 0x0040 /* DAD not yet complete */
#define ACE_F_AUTHORITY 0x0080 /* check for duplicate MACs */
#define ACE_F_DEFEND 0x0100 /* single transmit (area_flags only) */
#define ACE_F_OLD 0x0200 /* should revalidate when IP asks */
#define ACE_F_FAST 0x0400 /* fast probe enabled */
#define ACE_F_DELAYED 0x0800 /* rescheduled on arp_defend_rate */
#define ACE_F_DAD_ABORTED 0x1000 /* DAD was aborted on link down */
/* ARP Command Structures */
/* arc_t - Common command overlay */
typedef struct ar_cmd_s {
uint32_t arc_cmd;
uint32_t arc_name_offset;
uint32_t arc_name_length;
} arc_t;
/*
* NOTE: when using area_t for an AR_ENTRY_SQUERY, the area_hw_addr_offset
* field isn't what you might think. See comments in ip_multi.c where
* the routine ill_create_squery() is called, and also in the routine
* itself, to see how this field is used *only* when the area_t holds
* an AR_ENTRY_SQUERY.
*/
typedef struct ar_entry_add_s {
uint32_t area_cmd;
uint32_t area_name_offset;
uint32_t area_name_length;
uint32_t area_proto;
uint32_t area_proto_addr_offset;
uint32_t area_proto_addr_length;
uint32_t area_proto_mask_offset;
uint32_t area_flags; /* Same values as ace_flags */
uint32_t area_hw_addr_offset;
uint32_t area_hw_addr_length;
} area_t;
typedef struct ar_entry_delete_s {
uint32_t ared_cmd;
uint32_t ared_name_offset;
uint32_t ared_name_length;
uint32_t ared_proto;
uint32_t ared_proto_addr_offset;
uint32_t ared_proto_addr_length;
} ared_t;
typedef struct ar_entry_query_s {
uint32_t areq_cmd;
uint32_t areq_name_offset;
uint32_t areq_name_length;
uint32_t areq_proto;
uint32_t areq_target_addr_offset;
uint32_t areq_target_addr_length;
uint32_t areq_flags;
uint32_t areq_sender_addr_offset;
uint32_t areq_sender_addr_length;
uint32_t areq_xmit_count; /* 0 ==> cache lookup only */
uint32_t areq_xmit_interval; /* # of milliseconds; 0: default */
/* # ofquests to buffer; 0: default */
uint32_t areq_max_buffered;
uchar_t areq_sap[8]; /* to insert in returned template */
} areq_t;
#define AR_EQ_DEFAULT_XMIT_COUNT 6
#define AR_EQ_DEFAULT_XMIT_INTERVAL 1000
#define AR_EQ_DEFAULT_MAX_BUFFERED 4
/*
* Structure used with AR_ENTRY_LLAQUERY to map from the link_addr
* (in Neighbor Discovery option format excluding the option type and
* length) to a hardware address.
* The response has the same format as for an AR_ENTRY_SQUERY - an M_CTL with
* arel_hw_addr updated.
* An IPv6 address will be passed in AR_ENTRY_LLAQUERY so that atmip
* can send it in AR_CLIENT_NOTIFY messages.
*/
typedef struct ar_entry_llaquery_s {
uint32_t arel_cmd;
uint32_t arel_name_offset;
uint32_t arel_name_length;
uint32_t arel_link_addr_offset;
uint32_t arel_link_addr_length;
uint32_t arel_hw_addr_offset;
uint32_t arel_hw_addr_length;
uint32_t arel_ip_addr_offset;
uint32_t arel_ip_addr_length;
} arel_t;
typedef struct ar_mapping_add_s {
uint32_t arma_cmd;
uint32_t arma_name_offset;
uint32_t arma_name_length;
uint32_t arma_proto;
uint32_t arma_proto_addr_offset;
uint32_t arma_proto_addr_length;
uint32_t arma_proto_mask_offset;
uint32_t arma_proto_extract_mask_offset;
uint32_t arma_flags;
uint32_t arma_hw_addr_offset;
uint32_t arma_hw_addr_length;
/* Offset were we start placing */
uint32_t arma_hw_mapping_start;
/* the mask&proto_addr */
} arma_t;
/* Structure used to notify clients of interesting conditions. */
typedef struct ar_client_notify_s {
uint32_t arcn_cmd;
uint32_t arcn_name_offset;
uint32_t arcn_name_length;
uint32_t arcn_code; /* Notification code. */
} arcn_t;
/* Client Notification Codes */
#define AR_CN_BOGON 1
#define AR_CN_ANNOUNCE 2
#define AR_CN_READY 3 /* DAD complete; address usable */
#define AR_CN_FAILED 4 /* DAD failed; address unusable */
/* ARP Header */
typedef struct arh_s {
uchar_t arh_hardware[2];
uchar_t arh_proto[2];
uchar_t arh_hlen;
uchar_t arh_plen;
uchar_t arh_operation[2];
/* The sender and target hw/proto pairs follow */
} arh_t;
#ifdef __cplusplus
}
#endif
#endif /* _INET_ARP_H */
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