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4307 mejdrech 1 
/*
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 * Copyright (c) 2009 Lukas Mejdrech
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * - Redistributions of source code must retain the above copyright
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 *   notice, this list of conditions and the following disclaimer.
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 * - Redistributions in binary form must reproduce the above copyright
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 *   notice, this list of conditions and the following disclaimer in the
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 *   documentation and/or other materials provided with the distribution.
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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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/** @addtogroup net
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 *  @{
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 */
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/** @file
4350 mejdrech 34 
 *  Wrapper for the bundled networking and TCP/IP stact modules.
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 *  Distributes messages and initializes all module parts.
4307 mejdrech 36 
 */
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4695 mejdrech 38 
#include <string.h>
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#include <ipc/ipc.h>
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#include "../messages.h"
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#include "../include/ip_interface.h"
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#include "../structures/measured_strings.h"
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#include "../structures/module_map.h"
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#include "../structures/packet/packet_server.h"
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#include "../il/arp/arp_module.h"
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#include "../il/ip/ip_module.h"
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#include "../tl/icmp/icmp_module.h"
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#include "../tl/udp/udp_module.h"
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#include "../tl/tcp/tcp_module.h"
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#include "net.h"
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/** Networking module global data.
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 */
4307 mejdrech 60 
extern net_globals_t    net_globals;
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int module_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){
4505 mejdrech 63 
    if(( IPC_GET_METHOD( * call ) == IPC_M_CONNECT_TO_ME )
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    || IS_NET_IL_MESSAGE( call )
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    || IS_NET_TL_MESSAGE( call )
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    || IS_NET_SOCKET_MESSAGE( call )){
4307 mejdrech 67 
        switch( IPC_GET_TARGET( call )){
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            case SERVICE_IP:
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                return ip_message( callid, call, answer, answer_count );
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            case SERVICE_ARP:
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                return arp_message( callid, call, answer, answer_count );
4708 mejdrech 72 
            case SERVICE_ICMP:
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                return icmp_message( callid, call, answer, answer_count );
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            case SERVICE_UDP:
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                return udp_message( callid, call, answer, answer_count );
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            case SERVICE_TCP:
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                return tcp_message( callid, call, answer, answer_count );
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            default:
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                return EINVAL;
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        }
4695 mejdrech 81 
    }else if( IS_NET_IP_MESSAGE( call )){
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        return ip_message( callid, call, answer, answer_count );
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    }else if( IS_NET_ARP_MESSAGE( call )){
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        return arp_message( callid, call, answer, answer_count );
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    }else if( IS_NET_ICMP_MESSAGE( call )){
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        return icmp_message( callid, call, answer, answer_count );
4707 mejdrech 87 
    }else if( IS_NET_UDP_MESSAGE( call )){
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        return udp_message( callid, call, answer, answer_count );
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    }else if( IS_NET_TCP_MESSAGE( call )){
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        return tcp_message( callid, call, answer, answer_count );
4574 mejdrech 91 
    }else{
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        if( IS_NET_PACKET_MESSAGE( call )){
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            return packet_server_message( callid, call, answer, answer_count );
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        }else{
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            return net_message( callid, call, answer, answer_count );
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        }
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    }
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}
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int net_initialize( async_client_conn_t client_connection ){
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    ERROR_DECLARE;
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    ipcarg_t    phonehash;
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    netifs_initialize( & net_globals.netifs );
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    char_map_initialize( & net_globals.netif_names );
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    modules_initialize( & net_globals.modules );
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    measured_strings_initialize( & net_globals.configuration );
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    ERROR_PROPAGATE( add_module( NULL, & net_globals.modules, LO_NAME, LO_FILENAME, SERVICE_LO, 0, connect_to_service ));
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    ERROR_PROPAGATE( add_module( NULL, & net_globals.modules, DP8390_NAME, DP8390_FILENAME, SERVICE_DP8390, 0, connect_to_service ));
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    ERROR_PROPAGATE( add_module( NULL, & net_globals.modules, ETHERNET_NAME, ETHERNET_FILENAME, SERVICE_ETHERNET, 0, connect_to_service ));
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    ERROR_PROPAGATE( add_module( NULL, & net_globals.modules, NILDUMMY_NAME, NILDUMMY_FILENAME, SERVICE_NILDUMMY, 0, connect_to_service ));
4307 mejdrech 114 
 
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    ERROR_PROPAGATE( REGISTER_ME( SERVICE_IP, & phonehash ));
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    ERROR_PROPAGATE( add_module( NULL, & net_globals.modules, IP_NAME, IP_FILENAME, SERVICE_IP, task_get_id(), ip_connect_module ));
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    ERROR_PROPAGATE( ip_initialize( client_connection ));
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    ERROR_PROPAGATE( REGISTER_ME( SERVICE_ARP, & phonehash ));
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    ERROR_PROPAGATE( arp_initialize( client_connection ));
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    ERROR_PROPAGATE( REGISTER_ME( SERVICE_ICMP, & phonehash ));
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    ERROR_PROPAGATE( icmp_initialize( client_connection ));
4505 mejdrech 122 
    ERROR_PROPAGATE( REGISTER_ME( SERVICE_UDP, & phonehash ));
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    ERROR_PROPAGATE( udp_initialize( client_connection ));
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    ERROR_PROPAGATE( REGISTER_ME( SERVICE_TCP, & phonehash ));
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    ERROR_PROPAGATE( tcp_initialize( client_connection ));
4307 mejdrech 126 
    return EOK;
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}
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int read_netif_configuration( char * name, netif_ref netif ){
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    ERROR_DECLARE;
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4327 mejdrech 132 
    if( str_lcmp( name, "lo", 2 ) == 0 ){
4307 mejdrech 133 
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "NAME", LO_NAME ));
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        ERROR_PROPAGATE( add_configuration( & netif->configuration, "NETIF", LO_NAME ));
4695 mejdrech 135 
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "NIL", NILDUMMY_NAME ));
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        ERROR_PROPAGATE( add_configuration( & netif->configuration, "IL", IP_NAME ));
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        ERROR_PROPAGATE( add_configuration( & netif->configuration, "IP_CONFIG", "static" ));
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        ERROR_PROPAGATE( add_configuration( & netif->configuration, "IP_ADDR", "127.0.0.1" ));
4695 mejdrech 139 
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "IP_ROUTING", "yes" ));
4307 mejdrech 140 
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "NETMASK", "255.0.0.0" ));
4505 mejdrech 141 
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "MTU", "15535" ));
4327 mejdrech 142 
    }else if( str_lcmp( name, "ne2k", 4 ) == 0 ){
4307 mejdrech 143 
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "NAME", "eth0" ));
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        ERROR_PROPAGATE( add_configuration( & netif->configuration, "NETIF", DP8390_NAME ));
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        // ethernet bundled in dp8390
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        ERROR_PROPAGATE( add_configuration( & netif->configuration, "NIL", DP8390_NAME ));
4332 mejdrech 147 
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "ETH_MODE", "DIX" ));
4307 mejdrech 148 
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "IL", IP_NAME ));
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        ERROR_PROPAGATE( add_configuration( & netif->configuration, "IRQ", "9" ));
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        ERROR_PROPAGATE( add_configuration( & netif->configuration, "IO", "300" ));
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        ERROR_PROPAGATE( add_configuration( & netif->configuration, "MTU", "1492" ));
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        ERROR_PROPAGATE( add_configuration( & netif->configuration, "IP_CONFIG", "static" ));
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        ERROR_PROPAGATE( add_configuration( & netif->configuration, "IP_ADDR", "10.0.2.15" ));
4695 mejdrech 154 
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "IP_ROUTING", "yes" ));
4505 mejdrech 155 
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "NETMASK", "255.255.255.240" ));
4307 mejdrech 156 
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "BROADCAST", "10.0.2.255" ));
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        ERROR_PROPAGATE( add_configuration( & netif->configuration, "GATEWAY", "10.0.2.2" ));
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        ERROR_PROPAGATE( add_configuration( & netif->configuration, "DNS1", "10.0.2.2" ));
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        ERROR_PROPAGATE( add_configuration( & netif->configuration, "DNS2", "10.0.2.2" ));
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        ERROR_PROPAGATE( add_configuration( & netif->configuration, "ARP", "arp" ));
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    }
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    return EOK;
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}
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/** @}
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 */