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| 3992 | mejdrech | 1 | /* |
| 2 | * Copyright (c) 2009 Lukas Mejdrech |
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| 3 | * All rights reserved. |
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| 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 eth |
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| 30 | * @{ |
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| 31 | */ |
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| 32 | |||
| 33 | /** |
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| 34 | * @file |
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| 35 | */ |
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| 36 | |||
| 37 | #ifndef __NET_ETH_H__ |
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| 38 | #define __NET_ETH_H__ |
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| 39 | |||
| 40 | #include <rwlock.h> |
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| 41 | #include <ipc/services.h> |
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| 42 | |||
| 4243 | mejdrech | 43 | #include "../../include/device.h" |
| 3992 | mejdrech | 44 | #include "../../structures/measured_strings.h" |
| 45 | |||
| 46 | /** Type definition of the Ethernet global data. |
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| 47 | * @see eth_globals |
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| 48 | */ |
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| 49 | typedef struct eth_globals eth_globals_t; |
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| 50 | |||
| 51 | /** Type definition of the Ethernet device specific data. |
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| 52 | * @see eth_device |
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| 53 | */ |
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| 54 | typedef struct eth_device eth_device_t; |
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| 55 | |||
| 56 | /** Type definition of the Ethernet device specific data pointer. |
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| 57 | * @see eth_device |
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| 58 | */ |
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| 59 | typedef eth_device_t * eth_device_ref; |
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| 60 | |||
| 61 | /** Type definition of the Ethernet protocol specific data. |
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| 62 | * @see eth_proto |
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| 63 | */ |
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| 64 | typedef struct eth_proto eth_proto_t; |
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| 65 | |||
| 66 | /** Type definition of the Ethernet protocol specific data pointer. |
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| 67 | * @see eth_proto |
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| 68 | */ |
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| 69 | typedef eth_proto_t * eth_proto_ref; |
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| 70 | |||
| 71 | /** Ethernet address cache. |
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| 72 | * Maps devices to the Ethernet device specific data. |
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| 73 | * @see device.h |
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| 74 | */ |
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| 75 | DEVICE_MAP_DECLARE( eth_devices, eth_device_t ) |
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| 76 | |||
| 77 | /** Ethernet protocol map. |
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| 78 | * Maps protocol identifiers to the Ethernet protocol specific data. |
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| 79 | * @see int_map.h |
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| 80 | */ |
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| 81 | INT_MAP_DECLARE( eth_protos, eth_proto_t ) |
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| 82 | |||
| 83 | /** Ethernet device specific data. |
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| 84 | */ |
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| 85 | struct eth_device{ |
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| 86 | /** Device identifier. |
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| 87 | */ |
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| 88 | device_id_t device_id; |
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| 89 | /** Device driver service. |
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| 90 | */ |
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| 91 | services_t service; |
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| 92 | /** Driver phone. |
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| 93 | */ |
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| 94 | int phone; |
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| 95 | /** Maximal transmission unit. |
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| 96 | */ |
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| 97 | size_t mtu; |
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| 4153 | mejdrech | 98 | /** Dummy device. |
| 99 | * Preamble and FCS are mandatory part of the packets. |
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| 100 | */ |
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| 101 | int dummy; |
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| 3992 | mejdrech | 102 | /** Actual device hardware address. |
| 103 | */ |
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| 104 | measured_string_ref addr; |
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| 105 | /** Actual device hardware address data. |
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| 106 | */ |
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| 107 | char * addr_data; |
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| 108 | }; |
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| 109 | |||
| 110 | /** Ethernet protocol specific data. |
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| 111 | */ |
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| 112 | struct eth_proto{ |
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| 113 | /** Protocol service. |
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| 114 | */ |
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| 115 | services_t service; |
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| 116 | /** Protocol identifier. |
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| 117 | */ |
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| 118 | int protocol; |
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| 119 | /** Protocol module phone. |
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| 120 | */ |
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| 121 | int phone; |
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| 122 | }; |
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| 123 | |||
| 124 | /** Ethernet global data. |
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| 125 | */ |
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| 126 | struct eth_globals{ |
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| 127 | /** Networking module phone. |
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| 128 | */ |
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| 129 | int networking_phone; |
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| 130 | /** Safety lock for devices. |
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| 131 | */ |
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| 132 | rwlock_t devices_lock; |
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| 133 | /** All known Ethernet devices. |
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| 134 | */ |
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| 135 | eth_devices_t devices; |
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| 136 | /** Safety lock for protocols. |
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| 137 | */ |
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| 138 | rwlock_t protos_lock; |
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| 139 | /** Protocol map. |
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| 140 | * Service phone map for each protocol. |
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| 141 | */ |
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| 142 | eth_protos_t protos; |
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| 143 | /** Broadcast device hardware address. |
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| 144 | */ |
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| 145 | measured_string_ref broadcast_addr; |
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| 146 | }; |
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| 147 | |||
| 148 | #endif |
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| 149 | |||
| 150 | /** @} |
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| 151 | */ |