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| 4271 | 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 arp |
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| 30 | * @{ |
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| 31 | */ |
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| 32 | |||
| 33 | /** @file |
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| 4350 | mejdrech | 34 | * ARP module interface. |
| 35 | * The same interface is used for standalone remote modules as well as for bundle modules. |
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| 36 | * The standalone remote modules have to be compiled with the arp_remote.c source file. |
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| 37 | * The bundle modules with the arp.c source file. |
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| 4271 | mejdrech | 38 | */ |
| 39 | |||
| 4307 | mejdrech | 40 | #ifndef __NET_ARP_INTERFACE_H__ |
| 41 | #define __NET_ARP_INTERFACE_H__ |
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| 4271 | mejdrech | 42 | |
| 43 | #include "../structures/measured_strings.h" |
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| 44 | |||
| 45 | #include "device.h" |
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| 46 | |||
| 4704 | mejdrech | 47 | /** @name ARP module interface |
| 48 | * This interface is used by other modules. |
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| 49 | */ |
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| 50 | /*@{*/ |
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| 51 | |||
| 4350 | mejdrech | 52 | /** Registers the new device and the requesting protocol service. |
| 53 | * Determines the device broadcast address, its address lengths and packet size. |
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| 54 | * @param arp_phone The ARP module phone used for (semi)remote calls. Input parameter. |
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| 55 | * @param device_id The new device identifier. Input parameter. |
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| 56 | * @param protocol The requesting protocol service. Input parameter. |
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| 57 | * @param netif The underlying device network interface layer service. Input parameter. |
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| 58 | * @param address The local requesting protocol address of the device. Input parameter. |
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| 59 | * @returns EOK on success. |
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| 60 | * @returns EEXIST if the device is already used. |
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| 61 | * @returns ENOMEM if there is not enough memory left. |
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| 62 | * @returns ENOENT if the network interface service is not known. |
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| 63 | * @returns EREFUSED if the network interface service is not responding. |
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| 64 | * @returns Other error codes as defined for the nil_packet_get_size() function. |
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| 65 | * @returns Other error codes as defined for the nil_get_addr() function. |
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| 66 | * @returns Other error codes as defined for the nil_get_broadcast_addr() function. |
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| 67 | */ |
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| 4307 | mejdrech | 68 | int arp_device_req( int arp_phone, device_id_t device_id, services_t protocol, services_t netif, measured_string_ref address ); |
| 4350 | mejdrech | 69 | |
| 70 | /** Translates the given protocol address to the network interface address. |
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| 71 | * Broadcasts the ARP request if the mapping is not found. |
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| 72 | * @param arp_phone The ARP module phone used for (semi)remote calls. Input parameter. |
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| 73 | * @param device_id The device identifier. Input parameter. |
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| 74 | * @param protocol The requesting protocol service. Input parameter. |
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| 75 | * @param address The local requesting protocol address. Input parameter. |
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| 76 | * @param translation The translation of the local protocol address. Output parameter. |
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| 77 | * @param data The raw translation data container. Output parameter. |
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| 78 | * @returns EOK on success. |
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| 79 | * @returns EINVAL if the configuration parameter is NULL. |
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| 80 | * @returns EINVAL if the count parameter is zero (0). |
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| 81 | * @returns EBADMEM if the translation or the data parameters are NULL. |
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| 82 | * @returns ENOENT if the mapping is not found. |
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| 83 | */ |
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| 4307 | mejdrech | 84 | int arp_translate_req( int arp_phone, device_id_t device_id, services_t protocol, measured_string_ref address, measured_string_ref * translation, char ** data ); |
| 4350 | mejdrech | 85 | |
| 86 | /** Clears the device cache. |
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| 87 | * @param arp_phone The ARP module phone used for (semi)remote calls. Input parameter. |
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| 88 | * @param device_id The device identifier. Input parameter. |
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| 89 | * @returns EOK on success. |
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| 90 | * @returns ENOENT if the device is not found. |
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| 91 | */ |
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| 4307 | mejdrech | 92 | int arp_clear_device_req( int arp_phone, device_id_t device_id ); |
| 4350 | mejdrech | 93 | |
| 4695 | mejdrech | 94 | /** Clears the given protocol address from the cache. |
| 95 | * @param arp_phone The ARP module phone used for (semi)remote calls. Input parameter. |
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| 96 | * @param device_id The device identifier. Input parameter. |
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| 97 | * @param protocol The requesting protocol service. Input parameter. |
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| 98 | * @param address The protocol address to be cleared. Input parameter. |
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| 99 | * @returns EOK on success. |
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| 100 | * @returns ENOENT if the mapping is not found. |
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| 101 | */ |
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| 102 | int arp_clear_address_req( int arp_phone, device_id_t device_id, services_t protocol, measured_string_ref address ); |
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| 103 | |||
| 4350 | mejdrech | 104 | /** Cleans the cache. |
| 105 | * @param arp_phone The ARP module phone used for (semi)remote calls. Input parameter. |
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| 106 | * @returns EOK on success. |
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| 107 | */ |
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| 4307 | mejdrech | 108 | int arp_clean_cache_req( int arp_phone ); |
| 4350 | mejdrech | 109 | |
| 110 | /** Connects to the ARP module. |
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| 111 | * @param service The ARP module service. Ignored parameter. |
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| 112 | * @returns The ARP module phone on success. |
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| 113 | * @returns 0 if called by the bundle module. |
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| 114 | */ |
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| 4307 | mejdrech | 115 | int arp_connect_module( services_t service ); |
| 4350 | mejdrech | 116 | |
| 117 | /** Returns the ARP task identifier. |
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| 118 | * @returns The current task identifier if called by the bundle module. |
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| 119 | * @returns 0 if called by the remote module. |
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| 120 | */ |
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| 4503 | mejdrech | 121 | task_id_t arp_task_get_id( void ); |
| 4271 | mejdrech | 122 | |
| 4704 | mejdrech | 123 | /*@}*/ |
| 124 | |||
| 4271 | mejdrech | 125 | #endif |
| 126 | |||
| 127 | /** @} |
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| 128 | */ |