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| 3666 | mejdrech | 1 | /* |
| 3912 | mejdrech | 2 | * Copyright (c) 2009 Lukas Mejdrech |
| 3666 | 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 | |||
| 3912 | mejdrech | 29 | /** @addtogroup netif |
| 30 | * @{ |
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| 3666 | mejdrech | 31 | */ |
| 32 | |||
| 3912 | mejdrech | 33 | /** @file |
| 34 | * Network interface module skeleton. |
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| 3666 | mejdrech | 35 | */ |
| 36 | |||
| 37 | #ifndef __NET_NETIF_H__ |
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| 38 | #define __NET_NETIF_H__ |
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| 39 | |||
| 4307 | mejdrech | 40 | #include <async.h> |
| 4192 | mejdrech | 41 | #include <rwlock.h> |
| 42 | |||
| 4307 | mejdrech | 43 | #include <ipc/ipc.h> |
| 44 | |||
| 45 | #include "../err.h" |
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| 46 | |||
| 4243 | mejdrech | 47 | #include "../include/device.h" |
| 3666 | mejdrech | 48 | |
| 4307 | mejdrech | 49 | #include "../structures/packet/packet.h" |
| 50 | |||
| 3912 | mejdrech | 51 | /** Network interface module skeleton global data. |
| 52 | */ |
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| 3846 | mejdrech | 53 | typedef struct netif_globals netif_globals_t; |
| 3666 | mejdrech | 54 | |
| 3912 | mejdrech | 55 | /** Type definition of the device specific data. |
| 56 | * @see netif_device |
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| 57 | */ |
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| 58 | typedef struct netif_device device_t; |
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| 59 | |||
| 60 | /** Type definition of the device specific data pointer. |
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| 61 | * @see netif_device |
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| 62 | */ |
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| 63 | typedef device_t * device_ref; |
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| 64 | |||
| 65 | /** Device map. |
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| 66 | * Maps device identifiers to the network interface device specific data. |
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| 67 | * @see device.h |
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| 68 | */ |
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| 3846 | mejdrech | 69 | DEVICE_MAP_DECLARE( device_map, device_t ); |
| 3666 | mejdrech | 70 | |
| 3912 | mejdrech | 71 | /** Network interface device specific data. |
| 72 | */ |
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| 73 | struct netif_device{ |
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| 74 | /** Device identifier. |
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| 75 | */ |
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| 3846 | mejdrech | 76 | device_id_t device_id; |
| 3912 | mejdrech | 77 | /** Receiving network interface layer phone. |
| 78 | */ |
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| 3846 | mejdrech | 79 | int nil_phone; |
| 3912 | mejdrech | 80 | /** Actual device state. |
| 81 | */ |
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| 3846 | mejdrech | 82 | device_state_t state; |
| 3912 | mejdrech | 83 | /** Driver specific data. |
| 84 | */ |
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| 3846 | mejdrech | 85 | void * specific; |
| 3685 | mejdrech | 86 | }; |
| 87 | |||
| 3912 | mejdrech | 88 | /** Network interface module skeleton global data. |
| 89 | */ |
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| 3666 | mejdrech | 90 | struct netif_globals{ |
| 3912 | mejdrech | 91 | /** Networking module phone. |
| 92 | */ |
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| 4307 | mejdrech | 93 | int net_phone; |
| 3912 | mejdrech | 94 | /** Device map. |
| 95 | */ |
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| 3846 | mejdrech | 96 | device_map_t device_map; |
| 4192 | mejdrech | 97 | /** Safety lock. |
| 98 | */ |
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| 99 | rwlock_t lock; |
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| 3666 | mejdrech | 100 | }; |
| 101 | |||
| 3912 | mejdrech | 102 | /** Finds the device specific data. |
| 103 | * @param device_id The device identifier. Input parameter. |
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| 104 | * @param device The device specific data. Output parameter. |
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| 105 | * @returns EOK on success. |
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| 106 | * @returns ENOENT if device is not found. |
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| 107 | * @returns EPERM if the device is not initialized. |
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| 108 | */ |
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| 3846 | mejdrech | 109 | int find_device( device_id_t device_id, device_ref * device ); |
| 3912 | mejdrech | 110 | |
| 111 | /** Clears the usage statistics. |
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| 112 | * @param stats The usage statistics. Input parameter. |
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| 113 | */ |
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| 3846 | mejdrech | 114 | void null_device_stats( device_stats_ref stats ); |
| 3666 | mejdrech | 115 | |
| 4192 | mejdrech | 116 | // prepared for future optimalizations |
| 117 | /** \todo |
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| 118 | */ |
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| 119 | void netif_pq_release( packet_id_t packet ); |
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| 120 | |||
| 121 | /** \todo |
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| 122 | */ |
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| 123 | packet_t netif_packet_get_1( size_t content ); |
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| 124 | |||
| 4307 | mejdrech | 125 | int netif_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ); |
| 126 | int netif_init_module( async_client_conn_t client_connection ); |
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| 127 | int netif_run_module( void ); |
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| 128 | |||
| 3666 | mejdrech | 129 | #endif |
| 130 | |||
| 131 | /** @} |
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| 132 | */ |
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| 133 |