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, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 1992,1997-2003 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 /* Copyright (c) 1990 Mentat Inc. */ 27 28 #ifndef _INET_ARP_H 29 #define _INET_ARP_H 30 31 #pragma ident "%Z%%M% %I% %E% SMI" 32 33 #ifdef __cplusplus 34 extern "C" { 35 #endif 36 37 #define ARP_REQUEST 1 38 #define ARP_RESPONSE 2 39 #define RARP_REQUEST 3 40 #define RARP_RESPONSE 4 41 42 #define AR_IOCTL (((unsigned)'A' & 0xFF)<<8) 43 #define CMD_IN_PROGRESS 0x10000 44 /* 45 * The following ARP commands are private, and not part of a supported 46 * interface. They are subject to change without notice in any release. 47 */ 48 #define AR_ENTRY_ADD (AR_IOCTL + 1) 49 #define AR_ENTRY_DELETE (AR_IOCTL + 2) 50 #define AR_ENTRY_QUERY (AR_IOCTL + 3) 51 #define AR_XMIT_REQUEST (AR_IOCTL + 4) 52 #define AR_XMIT_TEMPLATE (AR_IOCTL + 5) 53 #define AR_ENTRY_SQUERY (AR_IOCTL + 6) 54 #define AR_MAPPING_ADD (AR_IOCTL + 7) 55 #define AR_CLIENT_NOTIFY (AR_IOCTL + 8) 56 #define AR_INTERFACE_UP (AR_IOCTL + 9) 57 #define AR_INTERFACE_DOWN (AR_IOCTL + 10) 58 #define AR_XMIT_RESPONSE (AR_IOCTL + 11) 59 #define AR_INTERFACE_ON (AR_IOCTL + 12) 60 #define AR_INTERFACE_OFF (AR_IOCTL + 13) 61 #define AR_DLPIOP_DONE (AR_IOCTL + 14) 62 #define AR_ENTRY_LLAQUERY (AR_IOCTL + 15) 63 /* 64 * This is not an ARP command per se, it is used to interface between 65 * ARP and IP during close. 66 */ 67 #define AR_ARP_CLOSING (AR_IOCTL + 16) 68 69 /* 70 * The following ACE flags are private, and not part of a supported 71 * interface. They are subject to change without notice in any release. 72 */ 73 #define ACE_F_PERMANENT 0x1 74 #define ACE_F_PUBLISH 0x2 75 #define ACE_F_DYING 0x4 76 #define ACE_F_RESOLVED 0x8 77 /* Using bit mask extraction from target address */ 78 #define ACE_F_MAPPING 0x10 79 #define ACE_F_MYADDR 0x20 /* Strong check for duplicate MACs */ 80 81 /* ARP Cmd Table entry */ 82 typedef struct arct_s { 83 pfi_t arct_pfi; 84 uint32_t arct_cmd; 85 int arct_min_len; 86 uint32_t arct_flags; 87 int arct_priv_req; /* Privilege required for this cmd */ 88 const char *arct_txt; 89 } arct_t; 90 91 /* ARP Command Structures */ 92 93 /* arc_t - Common command overlay */ 94 typedef struct ar_cmd_s { 95 uint32_t arc_cmd; 96 uint32_t arc_name_offset; 97 uint32_t arc_name_length; 98 } arc_t; 99 100 /* 101 * The following ARP command structures are private, and not 102 * part of a supported interface. They are subject to change 103 * without notice in any release. 104 */ 105 106 /* 107 * NOTE: when using area_t for an AR_ENTRY_SQUERY, the area_hw_addr_offset 108 * field isn't what you might think. See comments in ip_multi.c where 109 * the routine ill_create_squery() is called, and also in the routine 110 * itself, to see how this field is used *only* when the area_t holds 111 * an AR_ENTRY_SQUERY. 112 */ 113 typedef struct ar_entry_add_s { 114 uint32_t area_cmd; 115 uint32_t area_name_offset; 116 uint32_t area_name_length; 117 uint32_t area_proto; 118 uint32_t area_proto_addr_offset; 119 uint32_t area_proto_addr_length; 120 uint32_t area_proto_mask_offset; 121 uint32_t area_flags; /* Same values as ace_flags */ 122 uint32_t area_hw_addr_offset; 123 uint32_t area_hw_addr_length; 124 } area_t; 125 126 typedef struct ar_entry_delete_s { 127 uint32_t ared_cmd; 128 uint32_t ared_name_offset; 129 uint32_t ared_name_length; 130 uint32_t ared_proto; 131 uint32_t ared_proto_addr_offset; 132 uint32_t ared_proto_addr_length; 133 } ared_t; 134 135 typedef struct ar_entry_query_s { 136 uint32_t areq_cmd; 137 uint32_t areq_name_offset; 138 uint32_t areq_name_length; 139 uint32_t areq_proto; 140 uint32_t areq_target_addr_offset; 141 uint32_t areq_target_addr_length; 142 uint32_t areq_flags; 143 uint32_t areq_sender_addr_offset; 144 uint32_t areq_sender_addr_length; 145 uint32_t areq_xmit_count; /* 0 ==> cache lookup only */ 146 uint32_t areq_xmit_interval; /* # of milliseconds; 0: default */ 147 /* # ofquests to buffer; 0: default */ 148 uint32_t areq_max_buffered; 149 uchar_t areq_sap[8]; /* to insert in returned template */ 150 } areq_t; 151 152 /* 153 * Structure used with AR_ENTRY_LLAQUERY to map from the link_addr 154 * (in Neighbor Discovery option format excluding the option type and 155 * length) to a hardware address. 156 * The response has the same format as for an AR_ENTRY_SQUERY - an M_CTL with 157 * arel_hw_addr updated. 158 * An IPv6 address will be passed in AR_ENTRY_LLAQUERY so that atmip 159 * can send it in AR_CLIENT_NOTIFY messages. 160 */ 161 typedef struct ar_entry_llaquery_s { 162 uint32_t arel_cmd; 163 uint32_t arel_name_offset; 164 uint32_t arel_name_length; 165 uint32_t arel_link_addr_offset; 166 uint32_t arel_link_addr_length; 167 uint32_t arel_hw_addr_offset; 168 uint32_t arel_hw_addr_length; 169 uint32_t arel_ip_addr_offset; 170 uint32_t arel_ip_addr_length; 171 } arel_t; 172 173 typedef struct ar_mapping_add_s { 174 uint32_t arma_cmd; 175 uint32_t arma_name_offset; 176 uint32_t arma_name_length; 177 uint32_t arma_proto; 178 uint32_t arma_proto_addr_offset; 179 uint32_t arma_proto_addr_length; 180 uint32_t arma_proto_mask_offset; 181 uint32_t arma_proto_extract_mask_offset; 182 uint32_t arma_flags; 183 uint32_t arma_hw_addr_offset; 184 uint32_t arma_hw_addr_length; 185 /* Offset were we start placing */ 186 uint32_t arma_hw_mapping_start; 187 /* the mask&proto_addr */ 188 } arma_t; 189 190 /* Structure used to notify clients of interesting conditions. */ 191 typedef struct ar_client_notify_s { 192 uint32_t arcn_cmd; 193 uint32_t arcn_name_offset; 194 uint32_t arcn_name_length; 195 uint32_t arcn_code; /* Notification code. */ 196 } arcn_t; 197 198 /* Client Notification Codes */ 199 /* 200 * The following Client Notification codes are private, and not 201 * part of a supported interface. They are subject to change 202 * without notice in any release. 203 */ 204 #define AR_CN_BOGON 1 205 #define AR_CN_ANNOUNCE 2 206 207 /* ARP Header */ 208 typedef struct arh_s { 209 uchar_t arh_hardware[2]; 210 uchar_t arh_proto[2]; 211 uchar_t arh_hlen; 212 uchar_t arh_plen; 213 uchar_t arh_operation[2]; 214 /* The sender and target hw/proto pairs follow */ 215 } arh_t; 216 217 #ifdef __cplusplus 218 } 219 #endif 220 221 #endif /* _INET_ARP_H */ 222