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| 3846 | mejdrech | 1 | /* |
| 3912 | mejdrech | 2 | * Copyright (c) 2009 Lukas Mejdrech |
| 3846 | mejdrech | 3 | * All rights reserved. |
| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * |
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| 9 | * - Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * - Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * - The name of the author may not be used to endorse or promote products |
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| 15 | * derived from this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | */ |
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| 28 | |||
| 29 | /** @addtogroup arp |
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| 30 | * @{ |
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| 31 | */ |
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| 32 | |||
| 33 | /** @file |
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| 3912 | mejdrech | 34 | * ARP module. |
| 3846 | mejdrech | 35 | */ |
| 36 | |||
| 37 | #ifndef __NET_ARP_H__ |
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| 38 | #define __NET_ARP_H__ |
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| 39 | |||
| 3991 | mejdrech | 40 | #include <rwlock.h> |
| 41 | |||
| 3846 | mejdrech | 42 | #include <ipc/ipc.h> |
| 4261 | mejdrech | 43 | #include <ipc/services.h> |
| 3846 | mejdrech | 44 | |
| 4243 | mejdrech | 45 | #include "../../include/device.h" |
| 3846 | mejdrech | 46 | |
| 3886 | mejdrech | 47 | #include "../../structures/generic_char_map.h" |
| 48 | #include "../../structures/int_map.h" |
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| 49 | #include "../../structures/measured_strings.h" |
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| 3846 | mejdrech | 50 | |
| 3912 | mejdrech | 51 | |
| 52 | /** Type definition of the ARP global data. |
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| 53 | * @see arp_globals |
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| 54 | */ |
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| 3846 | mejdrech | 55 | typedef struct arp_globals arp_globals_t; |
| 3912 | mejdrech | 56 | |
| 57 | /** Type definition of the ARP device specific data. |
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| 58 | * @see arp_device |
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| 59 | */ |
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| 3846 | mejdrech | 60 | typedef struct arp_device arp_device_t; |
| 3912 | mejdrech | 61 | |
| 62 | /** Type definition of the ARP device specific data pointer. |
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| 63 | * @see arp_device |
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| 64 | */ |
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| 3846 | mejdrech | 65 | typedef arp_device_t * arp_device_ref; |
| 3912 | mejdrech | 66 | |
| 67 | /** Type definition of the ARP protocol specific data. |
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| 68 | * @see arp_proto |
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| 69 | */ |
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| 3846 | mejdrech | 70 | typedef struct arp_proto arp_proto_t; |
| 3912 | mejdrech | 71 | |
| 72 | /** Type definition of the ARP protocol specific data pointer. |
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| 73 | * @see arp_proto |
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| 74 | */ |
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| 3846 | mejdrech | 75 | typedef arp_proto_t * arp_proto_ref; |
| 76 | |||
| 3912 | mejdrech | 77 | /** ARP address cache. |
| 78 | * Maps devices to the ARP device specific data. |
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| 79 | * @see device.h |
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| 80 | */ |
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| 3846 | mejdrech | 81 | DEVICE_MAP_DECLARE( arp_cache, arp_device_t ) |
| 82 | |||
| 3912 | mejdrech | 83 | /** ARP protocol map. |
| 84 | * Maps protocol identifiers to the ARP protocol specific data. |
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| 85 | * @see int_map.h |
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| 86 | */ |
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| 3846 | mejdrech | 87 | INT_MAP_DECLARE( arp_protos, arp_proto_t ) |
| 88 | |||
| 3912 | mejdrech | 89 | /** ARP address map. |
| 90 | * Translates addresses. |
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| 91 | * @see generic_char_map.h |
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| 92 | */ |
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| 3846 | mejdrech | 93 | GENERIC_CHAR_MAP_DECLARE( arp_addr, measured_string_t ) |
| 94 | |||
| 3912 | mejdrech | 95 | /** ARP device specific data. |
| 96 | */ |
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| 3846 | mejdrech | 97 | struct arp_device{ |
| 3912 | mejdrech | 98 | /** Device identifier. |
| 99 | */ |
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| 3846 | mejdrech | 100 | device_id_t device_id; |
| 3912 | mejdrech | 101 | /** Hardware type. |
| 102 | */ |
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| 3846 | mejdrech | 103 | ipcarg_t hardware; |
| 3912 | mejdrech | 104 | /** Reserved packet prefix length. |
| 105 | */ |
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| 4261 | mejdrech | 106 | size_t prefix; |
| 3912 | mejdrech | 107 | /** Maximal packet content length. |
| 108 | */ |
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| 4261 | mejdrech | 109 | size_t content; |
| 3912 | mejdrech | 110 | /** Reserved packet suffix length. |
| 111 | */ |
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| 4261 | mejdrech | 112 | size_t suffix; |
| 3912 | mejdrech | 113 | /** Packet address length. |
| 114 | * The hardware address length is used. |
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| 115 | */ |
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| 4261 | mejdrech | 116 | size_t addr_len; |
| 3912 | mejdrech | 117 | /** Actual device hardware address. |
| 118 | */ |
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| 3846 | mejdrech | 119 | measured_string_ref addr; |
| 3912 | mejdrech | 120 | /** Actual device hardware address data. |
| 121 | */ |
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| 3846 | mejdrech | 122 | char * addr_data; |
| 3912 | mejdrech | 123 | /** Broadcast device hardware address. |
| 124 | */ |
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| 3846 | mejdrech | 125 | measured_string_ref broadcast_addr; |
| 3912 | mejdrech | 126 | /** Broadcast device hardware address data. |
| 127 | */ |
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| 3846 | mejdrech | 128 | char * broadcast_data; |
| 3912 | mejdrech | 129 | /** Device driver service. |
| 130 | */ |
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| 3846 | mejdrech | 131 | services_t service; |
| 3912 | mejdrech | 132 | /** Driver phone. |
| 133 | */ |
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| 3846 | mejdrech | 134 | int phone; |
| 3912 | mejdrech | 135 | /** Protocol map. |
| 136 | * Address map for each protocol. |
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| 137 | */ |
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| 3846 | mejdrech | 138 | arp_protos_t protos; |
| 139 | }; |
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| 140 | |||
| 3912 | mejdrech | 141 | /** ARP protocol specific data. |
| 142 | */ |
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| 3846 | mejdrech | 143 | struct arp_proto{ |
| 3912 | mejdrech | 144 | /** Protocol service. |
| 145 | */ |
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| 3846 | mejdrech | 146 | services_t service; |
| 3912 | mejdrech | 147 | /** Actual device protocol address. |
| 148 | */ |
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| 3846 | mejdrech | 149 | measured_string_ref addr; |
| 3912 | mejdrech | 150 | /** Actual device protocol address data. |
| 151 | */ |
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| 3846 | mejdrech | 152 | char * addr_data; |
| 3912 | mejdrech | 153 | /** Address map. |
| 154 | */ |
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| 3846 | mejdrech | 155 | arp_addr_t addresses; |
| 156 | }; |
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| 157 | |||
| 3912 | mejdrech | 158 | /** ARP global data. |
| 159 | */ |
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| 3846 | mejdrech | 160 | struct arp_globals{ |
| 3912 | mejdrech | 161 | /** Networking module phone. |
| 162 | */ |
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| 3846 | mejdrech | 163 | int networking_phone; |
| 3991 | mejdrech | 164 | /** Safety lock. |
| 165 | */ |
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| 166 | rwlock_t lock; |
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| 3912 | mejdrech | 167 | /** ARP address cache. |
| 168 | */ |
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| 3846 | mejdrech | 169 | arp_cache_t cache; |
| 170 | }; |
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| 171 | |||
| 172 | #endif |
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| 173 | |||
| 174 | /** @} |
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| 175 | */ |