WebSVN – HelenOS – Diff – /branches/network/uspace/srv/net/net/net.c


/*
 * Copyright (c) 2009 Lukas Mejdrech
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
/** @addtogroup net
 *  @{
 */
 
/** @file
 *  Networking subsystem central module implementation.
 */
 
#include <async.h>
#include <ctype.h>
#include <ddi.h>
#include <errno.h>
#include <malloc.h>
#include <stdio.h>
#include <string.h>
 
#include <ipc/ipc.h>
#include <ipc/services.h>
 
#include "../err.h"
#include "../messages.h"
#include "../modules.h"
 
#include "../structures/char_map.h"
#include "../structures/generic_char_map.h"
#include "../structures/measured_strings.h"
#include "../structures/module_map.h"
#include "../structures/packet/packet.h"
 
#include "../il/il_messages.h"
#include "../include/device.h"
#include "../include/netif_interface.h"
#include "../include/nil_interface.h"
#include "../include/net_interface.h"
#include "../include/ip_interface.h"
 
#include "net.h"
 
/** Networking module name.
 */
#define NAME    "Networking"
 
/** Prints the module name.
 *  @see NAME
 */
void    module_print_name( void );
 
/** Starts the networking module.
 *  Initializes the client connection serving function, initializes the module, registers the module service and starts the async manager, processing IPC messages in an infinite loop.
 *  @param client_connection The client connection processing function. The module skeleton propagates its own one. Input parameter.
 *  @returns EOK on successful module termination.
 *  @returns Other error codes as defined for the net_initialize() function.
 *  @returns Other error codes as defined for the REGISTER_ME() macro function.
 */
int module_start( async_client_conn_t client_connection );
 
//int       parse_line( measured_strings_ref configuration, char * line );
 
/** Reads the networking subsystem global configuration.
 *  @returns EOK on success.
 *  @returns Other error codes as defined for the add_configuration() function.
 */
int     read_configuration( void );
 
/** Starts the network interface according to its configuration.
 *  Registers the network interface with the subsystem modules.
 *  Starts the needed subsystem modules.
 *  @param netif The network interface specific data.
 *  @returns EOK on success.
 *  @returns EINVAL if there are some settings missing.
 *  @returns ENOENT if the internet protocol module is not known.
 *  @returns Other error codes as defined for the netif_probe_req() function.
 *  @returns Other error codes as defined for the nil_device_req() function.
 *  @returns Other error codes as defined for the needed internet layer registering function.
 */
int     start_device( netif_ref netif );
 
/** Reads the configuration and starts all network interfaces.
 *  @returns EOK on success.
 *  @returns EXDEV if there is no available system-unique device identifier.
 *  @returns EINVAL if any of the network interface names are not configured.
 *  @returns ENOMEM if there is not enough memory left.
 *  @returns Other error codes as defined for the read_configuration() function.
 *  @returns Other error codes as defined for the read_netif_configuration() function.
 *  @returns Other error codes as defined for the start_device() function.
 */
int     startup( void );
 
/** Generates new system-unique device identifier.
 *  @returns The system-unique devic identifier.
 */
device_id_t generate_new_device_id( void );
 
/** Returns the configured values.
 *  The network interface configuration is searched first.
 *  @param netif_conf The network interface configuration setting. Input parameter.
 *  @param configuration The found configured values. Output parameter.
 *  @param count The desired settings count. Input parameter.
 *  @param data The found configuration settings data. Output parameter.
 *  @returns EOK.
 */
int net_get_conf( measured_strings_ref netif_conf, measured_string_ref configuration, size_t count, char ** data );
 
/** Initializes the networking module.
 *  @param client_connection The client connection processing function. The module skeleton propagates its own one. Input parameter.
 *  @returns EOK on success.
 *  @returns ENOMEM if there is not enough memory left.
 */
int net_initialize( async_client_conn_t client_connection );
 
/** Reads the network interface specific configuration.
 *  @param name The network interface name. Input parameter.
 *  @param netif The network interface structure. Input/output parameter.
 *  @returns EOK on success.
 *  @returns Other error codes as defined for the add_configuration() function.
 */
int read_netif_configuration( char * name, netif_ref netif );
 
/** Networking module global data.
 */
net_globals_t   net_globals;
 
DEVICE_MAP_IMPLEMENT( netifs, netif_t )
 
GENERIC_CHAR_MAP_IMPLEMENT( measured_strings, measured_string_t )
 
void module_print_name( void ){
    printf( "%s", NAME );
}
 
int module_start( async_client_conn_t client_connection ){
    ERROR_DECLARE;
 
    ipcarg_t    phonehash;
 
    async_set_client_connection( client_connection );
    ERROR_PROPAGATE( pm_init());
    if( ERROR_OCCURRED( net_initialize( client_connection ))
    || ERROR_OCCURRED( REGISTER_ME( SERVICE_NETWORKING, & phonehash ))){
        pm_destroy();
        return ERROR_CODE;
    }
 
    async_manager();
 
    pm_destroy();
    return EOK;
}
 
int net_initialize( async_client_conn_t client_connection ){
    ERROR_DECLARE;
 
    netifs_initialize( & net_globals.netifs );
    char_map_initialize( & net_globals.netif_names );
    modules_initialize( & net_globals.modules );
    measured_strings_initialize( & net_globals.configuration );
 
    // TODO dynamic configuration
    ERROR_PROPAGATE( read_configuration());
 
    ERROR_PROPAGATE( add_module( NULL, & net_globals.modules, LO_NAME, LO_FILENAME, SERVICE_LO, 0, connect_to_service ));
    ERROR_PROPAGATE( add_module( NULL, & net_globals.modules, DP8390_NAME, DP8390_FILENAME, SERVICE_DP8390, 0, connect_to_service ));
    ERROR_PROPAGATE( add_module( NULL, & net_globals.modules, ETHERNET_NAME, ETHERNET_FILENAME, SERVICE_ETHERNET, 0, connect_to_service ));
    ERROR_PROPAGATE( add_module( NULL, & net_globals.modules, NILDUMMY_NAME, NILDUMMY_FILENAME, SERVICE_NILDUMMY, 0, connect_to_service ));
 
    // build specific initialization
    return net_initialize_build( client_connection );
}
 
int net_get_device_conf_req( int net_phone, device_id_t device_id, measured_string_ref * configuration, size_t count, char ** data ){
    netif_ref   netif;
 
    if( !( configuration && ( count > 0 ))) return EINVAL;
    netif = netifs_find( & net_globals.netifs, device_id );
    if( netif ){
        return net_get_conf( & netif->configuration, * configuration, count, data );
    }else{
        return net_get_conf( NULL, * configuration, count, data );
    }
}
 
int net_get_conf_req( int net_phone, measured_string_ref * configuration, size_t count, char ** data ){
    if( !( configuration && ( count > 0 ))) return EINVAL;
    return net_get_conf( NULL, * configuration, count, data );
}
 
int net_get_conf( measured_strings_ref netif_conf, measured_string_ref configuration, size_t count, char ** data ){
    measured_string_ref setting;
    size_t              index;
 
    if( data ) * data = NULL;
    for( index = 0; index < count; ++ index ){
        setting = measured_strings_find( netif_conf, configuration[ index ].value, 0 );
        if( ! setting ){
            setting = measured_strings_find( & net_globals.configuration, configuration[ index ].value, 0 );
        }
        if( setting ){
            configuration[ index ].length = setting->length;
            configuration[ index ].value = setting->value;
        }else{
            configuration[ index ].length = 0;
            configuration[ index ].value = NULL;
        }
    }
    return EOK;
}
 
void net_free_settings( measured_string_ref settings, char * data ){
}
 
int net_connect_module( services_t service ){
    return EOK;
}
 
int net_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){
    ERROR_DECLARE;
 
    measured_string_ref strings;
    char *              data;
 
    * answer_count = 0;
    switch( IPC_GET_METHOD( * call )){
        case IPC_M_PHONE_HUNGUP:
            return EOK;
        case NET_NET_DEVICE:
            // TODO configure, register
            printf( "Networking: new netif %d\n", IPC_GET_DEVICE( call ));
            return EOK;
        case NET_NET_GET_DEVICE_CONF:
            ERROR_PROPAGATE( measured_strings_receive( & strings, & data, IPC_GET_COUNT( call )));
            net_get_device_conf_req( 0, IPC_GET_DEVICE( call ), & strings, IPC_GET_COUNT( call ), NULL );
            // strings should not contain received data anymore
            free( data );
            ERROR_CODE = measured_strings_reply( strings, IPC_GET_COUNT( call ));
            free( strings );
            return ERROR_CODE;
        case NET_NET_GET_CONF:
            ERROR_PROPAGATE( measured_strings_receive( & strings, & data, IPC_GET_COUNT( call )));
            net_get_conf_req( 0, & strings, IPC_GET_COUNT( call ), NULL );
            // strings should not contain received data anymore
            free( data );
            ERROR_CODE = measured_strings_reply( strings, IPC_GET_COUNT( call ));
            free( strings );
            return ERROR_CODE;
        case NET_NET_STARTUP:
            return startup();
    }
    return ENOTSUP;
}
 
/*
int parse_line( measured_strings_ref configuration, char * line ){
    ERROR_DECLARE;
 
    measured_string_ref setting;
    char *          name;
    char *          value;
 
    // from the beginning
    name = line;
    // skip spaces
    while( isspace( * name )) ++ name;
    // remember the name start
    value = name;
    // skip the name
    while( isalnum( * value ) || ( * value == '_' )){
        // make uppercase
//      * value = toupper( * value );
        ++ value;
    }
    if( * value == '=' ){
        // terminate the name
        * value = '\0';
    }else{
        // terminate the name
        * value = '\0';
        // skip until '='
        ++ value;
        while(( * value ) && ( * value != '=' )) ++ value;
        // not found?
        if( * value != '=' ) return EINVAL;
    }
    ++ value;
    // skip spaces
    while( isspace( * value )) ++ value;
    // create a bulk measured string till the end
    setting = measured_string_create_bulk( value, -1 );
    if( ! setting ) return ENOMEM;
    // add the configuration setting
    if( ERROR_OCCURRED( measured_strings_add( configuration, name, 0, setting ))){
        free( setting );
        return ERROR_CODE;
    }
    return EOK;
}
*/
 
int add_configuration( measured_strings_ref configuration, const char * name, const char * value ){
    ERROR_DECLARE;
 
    measured_string_ref setting;
 
    setting = measured_string_create_bulk( value, 0 );
    if( ! setting ) return ENOMEM;
    // add the configuration setting
    if( ERROR_OCCURRED( measured_strings_add( configuration, name, 0, setting ))){
        free( setting );
        return ERROR_CODE;
    }
    return EOK;
}
 
device_id_t generate_new_device_id( void ){
    return device_assign_devno();
}
 
int read_configuration( void ){
    ERROR_DECLARE;
 
    // read general configuration
    ERROR_PROPAGATE( add_configuration( & net_globals.configuration, "IPV", "4" ));
    ERROR_PROPAGATE( add_configuration( & net_globals.configuration, "MTU", "1500" ));
    ERROR_PROPAGATE( add_configuration( & net_globals.configuration, "ICMP_ERROR_REPORTING", "yes" ));  //anything else not starting with 'y'
    ERROR_PROPAGATE( add_configuration( & net_globals.configuration, "ICMP_ECHO_REPLYING", "yes" ));  //anything else not starting with 'y'
    ERROR_PROPAGATE( add_configuration( & net_globals.configuration, "UDP_CHECKSUM_COMPUTING", "yes" ));  //anything else not starting with 'y'
    ERROR_PROPAGATE( add_configuration( & net_globals.configuration, "UDP_AUTOBINDING", "yes" ));  //anything else not starting with 'y'
    return EOK;
}
 
int read_netif_configuration( char * name, netif_ref netif ){
    ERROR_DECLARE;
 
    if( str_lcmp( name, "lo", 2 ) == 0 ){
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "NAME", LO_NAME ));
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "NETIF", LO_NAME ));
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "IL", IP_NAME ));
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "IP_CONFIG", "static" ));
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "IP_ADDR", "127.0.0.1" ));
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "IP_ROUTING", "yes" ));
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "NETMASK", "255.0.0.0" ));
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "MTU", "15535" ));
    }else if( str_lcmp( name, "ne2k", 4 ) == 0 ){
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "NAME", "eth0" ));
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "NETIF", DP8390_NAME ));
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "ETH_MODE", "DIX" )); //8023_2_LSAP( not supported ), 8023_2_SNAP
//      ERROR_PROPAGATE( add_configuration( & netif->configuration, "ETH_DUMMY", "yes" )); //anything else not starting with 'y'
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "IL", IP_NAME ));
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "IRQ", "9" ));
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "IO", "300" ));
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "MTU", "576" ));
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "IP_CONFIG", "static" ));
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "IP_ADDR", "10.0.2.15" ));
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "IP_ROUTING", "yes" ));
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "NETMASK", "255.255.255.240" ));
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "BROADCAST", "10.0.2.255" ));
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "GATEWAY", "10.0.2.2" ));
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "DNS1", "10.0.2.2" ));
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "DNS2", "10.0.2.2" ));
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "ARP", "arp" ));
    }
    return read_netif_configuration_build( name, netif );
}
 
int start_device( netif_ref netif ){
    ERROR_DECLARE;
 
    measured_string_ref setting;
    services_t          internet_service;
    int                 irq;
    int                 io;
    int                 mtu;
 
    // mandatory netif
    setting = measured_strings_find( & netif->configuration, CONF_NETIF, 0 );
    netif->driver = get_running_module( & net_globals.modules, setting->value );
    if( ! netif->driver ){
        printf( "Failed to start the network interface driver %s\n", setting->value );
        return EINVAL;
    }
    // optional network interface layer
    setting = measured_strings_find( & netif->configuration, CONF_NIL, 0 );
    if( setting ){
        netif->nil = get_running_module( & net_globals.modules, setting->value );
        if( ! netif->nil ){
            printf( "Failed to start the network interface layer %s\n", setting->value );
            return EINVAL;
        }
    }else{
        netif->nil = NULL;
    }
    // mandatory internet layer
    setting = measured_strings_find( & netif->configuration, CONF_IL, 0 );
    netif->il = get_running_module( & net_globals.modules, setting->value );
    if( ! netif->il ){
        printf( "Failed to start the internet layer %s\n", setting->value );
        return EINVAL;
    }
    // end of the static loopback initialization
    // startup the loopback interface
    setting = measured_strings_find( & netif->configuration, CONF_IRQ, 0 );
    irq = setting ? strtol( setting->value, NULL, 10 ) : 0;
    setting = measured_strings_find( & netif->configuration, CONF_IO, 0 );
    io = setting ? strtol( setting->value, NULL, 16 ) : 0;
    ERROR_PROPAGATE( netif_probe_req( netif->driver->phone, netif->id, irq, io ));
    if( netif->nil ){
        setting = measured_strings_find( & netif->configuration, CONF_MTU, 0 );
        if( ! setting ){
            setting = measured_strings_find( & net_globals.configuration, CONF_MTU, 0 );
        }
        mtu = setting ? strtol( setting->value, NULL, 10 ) : 0;
        ERROR_PROPAGATE( nil_device_req( netif->nil->phone, netif->id, mtu, netif->driver->service ));
        internet_service = netif->nil->service;
    }else{
        internet_service = netif->driver->service;
    }
    switch( netif->il->service ){
        case SERVICE_IP:
            ERROR_PROPAGATE( ip_device_req( netif->il->phone, netif->id, internet_service ));
            break;
        default:
            return ENOENT;
    }
    ERROR_PROPAGATE( netif_start_req( netif->driver->phone, netif->id ));
    return EOK;
}
 
int startup( void ){
    ERROR_DECLARE;
 
    char *      conf_files[] = { "lo", "ne2k" };
    int         count = sizeof( conf_files ) / sizeof( char * );
    int         index;
    netif_ref   netif;
    int         i;
    measured_string_ref setting;
 
    for( i = 0; i < count; ++ i ){
        netif = ( netif_ref ) malloc( sizeof( netif_t ));
        if( ! netif ) return ENOMEM;
 
        netif->id = generate_new_device_id();
        if( ! netif->id ) return EXDEV;
        ERROR_PROPAGATE( measured_strings_initialize( & netif->configuration ));
        // read configuration files
        if( ERROR_OCCURRED( read_netif_configuration( conf_files[ i ], netif ))){
            measured_strings_destroy( & netif->configuration );
            free( netif );
            return ERROR_CODE;
        }
        // mandatory name
        setting = measured_strings_find( & netif->configuration, CONF_NAME, 0 );
        if( ! setting ){
            printf( "The name is missing\n" );
            measured_strings_destroy( & netif->configuration );
            free( netif );
            return EINVAL;
        }
        netif->name = setting->value;
        // add to the netifs map
        index = netifs_add( & net_globals.netifs, netif->id, netif );
        if( index < 0 ){
            measured_strings_destroy( & netif->configuration );
            free( netif );
            return index;
        }
        // add to the netif names map
        if( ERROR_OCCURRED( char_map_add( & net_globals.netif_names, netif->name, 0, index ))
        // start network interfaces and needed modules
        || ERROR_OCCURRED( start_device( netif ))){
            measured_strings_destroy( & netif->configuration );
            netifs_exclude_index( & net_globals.netifs, index );
            return ERROR_CODE;
        }
        // increment modules' usage
        ++ netif->driver->usage;
        if( netif->nil ) ++ netif->nil->usage;
        ++ netif->il->usage;
        printf( "New network interface started:\n\tname\t= %s\n\tid\t= %d\n\tdriver\t= %s\n\tnil\t= %s\n\til\t= %s\n", netif->name, netif->id, netif->driver->name, netif->nil ? netif->nil->name : NULL, netif->il->name );
    }
    return EOK;
}
 
/** @}
 */
 

Rev 4722	Rev 4730
1	/*	1	/*
2	* Copyright (c) 2009 Lukas Mejdrech	2	* Copyright (c) 2009 Lukas Mejdrech
3	* All rights reserved.	3	* All rights reserved.
4	*	4	*
5	* Redistribution and use in source and binary forms, with or without	5	* Redistribution and use in source and binary forms, with or without
6	* modification, are permitted provided that the following conditions	6	* modification, are permitted provided that the following conditions
7	* are met:	7	* are met:
8	*	8	*
9	* - Redistributions of source code must retain the above copyright	9	* - Redistributions of source code must retain the above copyright
10	* notice, this list of conditions and the following disclaimer.	10	* notice, this list of conditions and the following disclaimer.
11	* - Redistributions in binary form must reproduce the above copyright	11	* - Redistributions in binary form must reproduce the above copyright
12	* notice, this list of conditions and the following disclaimer in the	12	* notice, this list of conditions and the following disclaimer in the
13	* documentation and/or other materials provided with the distribution.	13	* documentation and/or other materials provided with the distribution.
14	* - The name of the author may not be used to endorse or promote products	14	* - The name of the author may not be used to endorse or promote products
15	* derived from this software without specific prior written permission.	15	* derived from this software without specific prior written permission.
16	*	16	*
17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR	17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES	18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,	20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF	25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27	*/	27	*/
28		28
29	/** @addtogroup net	29	/** @addtogroup net
30	* @{	30	* @{
31	*/	31	*/
32		32
33	/** @file	33	/** @file
34	* Networking subsystem central module implementation.	34	* Networking subsystem central module implementation.
35	*/	35	*/
36		36
37	#include <async.h>	37	#include <async.h>
38	#include <ctype.h>	38	#include <ctype.h>
39	#include <ddi.h>	39	#include <ddi.h>
40	#include <errno.h>	40	#include <errno.h>
41	#include <malloc.h>	41	#include <malloc.h>
42	#include <stdio.h>	42	#include <stdio.h>
43	#include <string.h>	43	#include <string.h>
44		44
45	#include <ipc/ipc.h>	45	#include <ipc/ipc.h>
46	#include <ipc/services.h>	46	#include <ipc/services.h>
47		47
48	#include "../err.h"	48	#include "../err.h"
49	#include "../messages.h"	49	#include "../messages.h"
50	#include "../modules.h"	50	#include "../modules.h"
51		51
52	#include "../structures/char_map.h"	52	#include "../structures/char_map.h"
53	#include "../structures/generic_char_map.h"	53	#include "../structures/generic_char_map.h"
54	#include "../structures/measured_strings.h"	54	#include "../structures/measured_strings.h"
55	#include "../structures/module_map.h"	55	#include "../structures/module_map.h"
56	#include "../structures/packet/packet.h"	56	#include "../structures/packet/packet.h"
57		57
58	#include "../il/il_messages.h"	58	#include "../il/il_messages.h"
59	#include "../include/device.h"	59	#include "../include/device.h"
60	#include "../include/netif_interface.h"	60	#include "../include/netif_interface.h"
61	#include "../include/nil_interface.h"	61	#include "../include/nil_interface.h"
62	#include "../include/net_interface.h"	62	#include "../include/net_interface.h"
63	#include "../include/ip_interface.h"	63	#include "../include/ip_interface.h"
64		64
65	#include "net.h"	65	#include "net.h"
66		66
67	/** Networking module name.	67	/** Networking module name.
68	*/	68	*/
69	#define NAME "Networking"	69	#define NAME "Networking"
70		70
71	/** Prints the module name.	71	/** Prints the module name.
72	* @see NAME	72	* @see NAME
73	*/	73	*/
74	void module_print_name( void );	74	void module_print_name( void );
75		75
76	/** Starts the networking module.	76	/** Starts the networking module.
77	* Initializes the client connection serving function, initializes the module, registers the module service and starts the async manager, processing IPC messages in an infinite loop.	77	* Initializes the client connection serving function, initializes the module, registers the module service and starts the async manager, processing IPC messages in an infinite loop.
78	* @param client_connection The client connection processing function. The module skeleton propagates its own one. Input parameter.	78	* @param client_connection The client connection processing function. The module skeleton propagates its own one. Input parameter.
79	* @returns EOK on successful module termination.	79	* @returns EOK on successful module termination.
80	* @returns Other error codes as defined for the net_initialize() function.	80	* @returns Other error codes as defined for the net_initialize() function.
81	* @returns Other error codes as defined for the REGISTER_ME() macro function.	81	* @returns Other error codes as defined for the REGISTER_ME() macro function.
82	*/	82	*/
83	int module_start( async_client_conn_t client_connection );	83	int module_start( async_client_conn_t client_connection );
84		84
85	//int parse_line( measured_strings_ref configuration, char * line );	85	//int parse_line( measured_strings_ref configuration, char * line );
86		86
87	/** Reads the networking subsystem global configuration.	87	/** Reads the networking subsystem global configuration.
88	* @returns EOK on success.	88	* @returns EOK on success.
89	* @returns Other error codes as defined for the add_configuration() function.	89	* @returns Other error codes as defined for the add_configuration() function.
90	*/	90	*/
91	int read_configuration( void );	91	int read_configuration( void );
92		92
93	/** Starts the network interface according to its configuration.	93	/** Starts the network interface according to its configuration.
94	* Registers the network interface with the subsystem modules.	94	* Registers the network interface with the subsystem modules.
95	* Starts the needed subsystem modules.	95	* Starts the needed subsystem modules.
96	* @param netif The network interface specific data.	96	* @param netif The network interface specific data.
97	* @returns EOK on success.	97	* @returns EOK on success.
98	* @returns EINVAL if there are some settings missing.	98	* @returns EINVAL if there are some settings missing.
99	* @returns ENOENT if the internet protocol module is not known.	99	* @returns ENOENT if the internet protocol module is not known.
100	* @returns Other error codes as defined for the netif_probe_req() function.	100	* @returns Other error codes as defined for the netif_probe_req() function.
101	* @returns Other error codes as defined for the nil_device_req() function.	101	* @returns Other error codes as defined for the nil_device_req() function.
102	* @returns Other error codes as defined for the needed internet layer registering function.	102	* @returns Other error codes as defined for the needed internet layer registering function.
103	*/	103	*/
104	int start_device( netif_ref netif );	104	int start_device( netif_ref netif );
105		105
106	/** Reads the configuration and starts all network interfaces.	106	/** Reads the configuration and starts all network interfaces.
107	* @returns EOK on success.	107	* @returns EOK on success.
108	* @returns EXDEV if there is no available system-unique device identifier.	108	* @returns EXDEV if there is no available system-unique device identifier.
109	* @returns EINVAL if any of the network interface names are not configured.	109	* @returns EINVAL if any of the network interface names are not configured.
110	* @returns ENOMEM if there is not enough memory left.	110	* @returns ENOMEM if there is not enough memory left.
111	* @returns Other error codes as defined for the read_configuration() function.	111	* @returns Other error codes as defined for the read_configuration() function.
112	* @returns Other error codes as defined for the read_netif_configuration() function.	112	* @returns Other error codes as defined for the read_netif_configuration() function.
113	* @returns Other error codes as defined for the start_device() function.	113	* @returns Other error codes as defined for the start_device() function.
114	*/	114	*/
115	int startup( void );	115	int startup( void );
116		116
117	/** Generates new system-unique device identifier.	117	/** Generates new system-unique device identifier.
118	* @returns The system-unique devic identifier.	118	* @returns The system-unique devic identifier.
119	*/	119	*/
120	device_id_t generate_new_device_id( void );	120	device_id_t generate_new_device_id( void );
121		121
122	/** Returns the configured values.	122	/** Returns the configured values.
123	* The network interface configuration is searched first.	123	* The network interface configuration is searched first.
124	* @param netif_conf The network interface configuration setting. Input parameter.	124	* @param netif_conf The network interface configuration setting. Input parameter.
125	* @param configuration The found configured values. Output parameter.	125	* @param configuration The found configured values. Output parameter.
126	* @param count The desired settings count. Input parameter.	126	* @param count The desired settings count. Input parameter.
127	* @param data The found configuration settings data. Output parameter.	127	* @param data The found configuration settings data. Output parameter.
128	* @returns EOK.	128	* @returns EOK.
129	*/	129	*/
130	int net_get_conf( measured_strings_ref netif_conf, measured_string_ref configuration, size_t count, char ** data );	130	int net_get_conf( measured_strings_ref netif_conf, measured_string_ref configuration, size_t count, char ** data );
131		131
132	/** Initializes the networking module.	132	/** Initializes the networking module.
133	* @param client_connection The client connection processing function. The module skeleton propagates its own one. Input parameter.	133	* @param client_connection The client connection processing function. The module skeleton propagates its own one. Input parameter.
134	* @returns EOK on success.	134	* @returns EOK on success.
135	* @returns ENOMEM if there is not enough memory left.	135	* @returns ENOMEM if there is not enough memory left.
136	*/	136	*/
137	int net_initialize( async_client_conn_t client_connection );	137	int net_initialize( async_client_conn_t client_connection );
138		138
139	/** Reads the network interface specific configuration.	139	/** Reads the network interface specific configuration.
140	* @param name The network interface name. Input parameter.	140	* @param name The network interface name. Input parameter.
141	* @param netif The network interface structure. Input/output parameter.	141	* @param netif The network interface structure. Input/output parameter.
142	* @returns EOK on success.	142	* @returns EOK on success.
143	* @returns Other error codes as defined for the add_configuration() function.	143	* @returns Other error codes as defined for the add_configuration() function.
144	*/	144	*/
145	int read_netif_configuration( char * name, netif_ref netif );	145	int read_netif_configuration( char * name, netif_ref netif );
146		146
147	/** Networking module global data.	147	/** Networking module global data.
148	*/	148	*/
149	net_globals_t net_globals;	149	net_globals_t net_globals;
150		150
151	DEVICE_MAP_IMPLEMENT( netifs, netif_t )	151	DEVICE_MAP_IMPLEMENT( netifs, netif_t )
152		152
153	GENERIC_CHAR_MAP_IMPLEMENT( measured_strings, measured_string_t )	153	GENERIC_CHAR_MAP_IMPLEMENT( measured_strings, measured_string_t )
154		154
155	void module_print_name( void ){	155	void module_print_name( void ){
156	printf( "%s", NAME );	156	printf( "%s", NAME );
157	}	157	}
158		158
159	int module_start( async_client_conn_t client_connection ){	159	int module_start( async_client_conn_t client_connection ){
160	ERROR_DECLARE;	160	ERROR_DECLARE;
161		161
162	ipcarg_t phonehash;	162	ipcarg_t phonehash;
163		163
164	async_set_client_connection( client_connection );	164	async_set_client_connection( client_connection );
165	ERROR_PROPAGATE( pm_init());	165	ERROR_PROPAGATE( pm_init());
166	if( ERROR_OCCURRED( net_initialize( client_connection ))	166	if( ERROR_OCCURRED( net_initialize( client_connection ))
167	\|\| ERROR_OCCURRED( REGISTER_ME( SERVICE_NETWORKING, & phonehash ))){	167	\|\| ERROR_OCCURRED( REGISTER_ME( SERVICE_NETWORKING, & phonehash ))){
168	pm_destroy();	168	pm_destroy();
169	return ERROR_CODE;	169	return ERROR_CODE;
170	}	170	}
171		171
172	async_manager();	172	async_manager();
173		173
174	pm_destroy();	174	pm_destroy();
175	return EOK;	175	return EOK;
176	}	176	}
177		177
178	int net_initialize( async_client_conn_t client_connection ){	178	int net_initialize( async_client_conn_t client_connection ){
179	ERROR_DECLARE;	179	ERROR_DECLARE;
180		180
181	netifs_initialize( & net_globals.netifs );	181	netifs_initialize( & net_globals.netifs );
182	char_map_initialize( & net_globals.netif_names );	182	char_map_initialize( & net_globals.netif_names );
183	modules_initialize( & net_globals.modules );	183	modules_initialize( & net_globals.modules );
184	measured_strings_initialize( & net_globals.configuration );	184	measured_strings_initialize( & net_globals.configuration );
185		185
186	// TODO dynamic configuration	186	// TODO dynamic configuration
187	ERROR_PROPAGATE( read_configuration());	187	ERROR_PROPAGATE( read_configuration());
188		188
189	ERROR_PROPAGATE( add_module( NULL, & net_globals.modules, LO_NAME, LO_FILENAME, SERVICE_LO, 0, connect_to_service ));	189	ERROR_PROPAGATE( add_module( NULL, & net_globals.modules, LO_NAME, LO_FILENAME, SERVICE_LO, 0, connect_to_service ));
190	ERROR_PROPAGATE( add_module( NULL, & net_globals.modules, DP8390_NAME, DP8390_FILENAME, SERVICE_DP8390, 0, connect_to_service ));	190	ERROR_PROPAGATE( add_module( NULL, & net_globals.modules, DP8390_NAME, DP8390_FILENAME, SERVICE_DP8390, 0, connect_to_service ));
191	ERROR_PROPAGATE( add_module( NULL, & net_globals.modules, ETHERNET_NAME, ETHERNET_FILENAME, SERVICE_ETHERNET, 0, connect_to_service ));	191	ERROR_PROPAGATE( add_module( NULL, & net_globals.modules, ETHERNET_NAME, ETHERNET_FILENAME, SERVICE_ETHERNET, 0, connect_to_service ));
192	ERROR_PROPAGATE( add_module( NULL, & net_globals.modules, NILDUMMY_NAME, NILDUMMY_FILENAME, SERVICE_NILDUMMY, 0, connect_to_service ));	192	ERROR_PROPAGATE( add_module( NULL, & net_globals.modules, NILDUMMY_NAME, NILDUMMY_FILENAME, SERVICE_NILDUMMY, 0, connect_to_service ));
193		193
194	// build specific initialization	194	// build specific initialization
195	return net_initialize_build( client_connection );	195	return net_initialize_build( client_connection );
196	}	196	}
197		197
198	int net_get_device_conf_req( int net_phone, device_id_t device_id, measured_string_ref * configuration, size_t count, char ** data ){	198	int net_get_device_conf_req( int net_phone, device_id_t device_id, measured_string_ref * configuration, size_t count, char ** data ){
199	netif_ref netif;	199	netif_ref netif;
200		200
201	if( !( configuration && ( count > 0 ))) return EINVAL;	201	if( !( configuration && ( count > 0 ))) return EINVAL;
202	netif = netifs_find( & net_globals.netifs, device_id );	202	netif = netifs_find( & net_globals.netifs, device_id );
203	if( netif ){	203	if( netif ){
204	return net_get_conf( & netif->configuration, * configuration, count, data );	204	return net_get_conf( & netif->configuration, * configuration, count, data );
205	}else{	205	}else{
206	return net_get_conf( NULL, * configuration, count, data );	206	return net_get_conf( NULL, * configuration, count, data );
207	}	207	}
208	}	208	}
209		209
210	int net_get_conf_req( int net_phone, measured_string_ref * configuration, size_t count, char ** data ){	210	int net_get_conf_req( int net_phone, measured_string_ref * configuration, size_t count, char ** data ){
211	if( !( configuration && ( count > 0 ))) return EINVAL;	211	if( !( configuration && ( count > 0 ))) return EINVAL;
212	return net_get_conf( NULL, * configuration, count, data );	212	return net_get_conf( NULL, * configuration, count, data );
213	}	213	}
214		214
215	int net_get_conf( measured_strings_ref netif_conf, measured_string_ref configuration, size_t count, char ** data ){	215	int net_get_conf( measured_strings_ref netif_conf, measured_string_ref configuration, size_t count, char ** data ){
216	measured_string_ref setting;	216	measured_string_ref setting;
217	size_t index;	217	size_t index;
218		218
219	if( data ) * data = NULL;	219	if( data ) * data = NULL;
220	for( index = 0; index < count; ++ index ){	220	for( index = 0; index < count; ++ index ){
221	setting = measured_strings_find( netif_conf, configuration[ index ].value, 0 );	221	setting = measured_strings_find( netif_conf, configuration[ index ].value, 0 );
222	if( ! setting ){	222	if( ! setting ){
223	setting = measured_strings_find( & net_globals.configuration, configuration[ index ].value, 0 );	223	setting = measured_strings_find( & net_globals.configuration, configuration[ index ].value, 0 );
224	}	224	}
225	if( setting ){	225	if( setting ){
226	configuration[ index ].length = setting->length;	226	configuration[ index ].length = setting->length;
227	configuration[ index ].value = setting->value;	227	configuration[ index ].value = setting->value;
228	}else{	228	}else{
229	configuration[ index ].length = 0;	229	configuration[ index ].length = 0;
230	configuration[ index ].value = NULL;	230	configuration[ index ].value = NULL;
231	}	231	}
232	}	232	}
233	return EOK;	233	return EOK;
234	}	234	}
235		235
236	void net_free_settings( measured_string_ref settings, char * data ){	236	void net_free_settings( measured_string_ref settings, char * data ){
237	}	237	}
238		238
239	int net_connect_module( services_t service ){	239	int net_connect_module( services_t service ){
240	return EOK;	240	return EOK;
241	}	241	}
242		242
243	int net_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){	243	int net_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){
244	ERROR_DECLARE;	244	ERROR_DECLARE;
245		245
246	measured_string_ref strings;	246	measured_string_ref strings;
247	char * data;	247	char * data;
248		248
249	* answer_count = 0;	249	* answer_count = 0;
250	switch( IPC_GET_METHOD( * call )){	250	switch( IPC_GET_METHOD( * call )){
251	case IPC_M_PHONE_HUNGUP:	251	case IPC_M_PHONE_HUNGUP:
252	return EOK;	252	return EOK;
253	case NET_NET_DEVICE:	253	case NET_NET_DEVICE:
254	// TODO configure, register	254	// TODO configure, register
255	printf( "Networking: new netif %d\n", IPC_GET_DEVICE( call ));	255	printf( "Networking: new netif %d\n", IPC_GET_DEVICE( call ));
256	return EOK;	256	return EOK;
257	case NET_NET_GET_DEVICE_CONF:	257	case NET_NET_GET_DEVICE_CONF:
258	ERROR_PROPAGATE( measured_strings_receive( & strings, & data, IPC_GET_COUNT( call )));	258	ERROR_PROPAGATE( measured_strings_receive( & strings, & data, IPC_GET_COUNT( call )));
259	net_get_device_conf_req( 0, IPC_GET_DEVICE( call ), & strings, IPC_GET_COUNT( call ), NULL );	259	net_get_device_conf_req( 0, IPC_GET_DEVICE( call ), & strings, IPC_GET_COUNT( call ), NULL );
260	// strings should not contain received data anymore	260	// strings should not contain received data anymore
261	free( data );	261	free( data );
262	ERROR_CODE = measured_strings_reply( strings, IPC_GET_COUNT( call ));	262	ERROR_CODE = measured_strings_reply( strings, IPC_GET_COUNT( call ));
263	free( strings );	263	free( strings );
264	return ERROR_CODE;	264	return ERROR_CODE;
265	case NET_NET_GET_CONF:	265	case NET_NET_GET_CONF:
266	ERROR_PROPAGATE( measured_strings_receive( & strings, & data, IPC_GET_COUNT( call )));	266	ERROR_PROPAGATE( measured_strings_receive( & strings, & data, IPC_GET_COUNT( call )));
267	net_get_conf_req( 0, & strings, IPC_GET_COUNT( call ), NULL );	267	net_get_conf_req( 0, & strings, IPC_GET_COUNT( call ), NULL );
268	// strings should not contain received data anymore	268	// strings should not contain received data anymore
269	free( data );	269	free( data );
270	ERROR_CODE = measured_strings_reply( strings, IPC_GET_COUNT( call ));	270	ERROR_CODE = measured_strings_reply( strings, IPC_GET_COUNT( call ));
271	free( strings );	271	free( strings );
272	return ERROR_CODE;	272	return ERROR_CODE;
273	case NET_NET_STARTUP:	273	case NET_NET_STARTUP:
274	return startup();	274	return startup();
275	}	275	}
276	return ENOTSUP;	276	return ENOTSUP;
277	}	277	}
278		278
279	/*	279	/*
280	int parse_line( measured_strings_ref configuration, char * line ){	280	int parse_line( measured_strings_ref configuration, char * line ){
281	ERROR_DECLARE;	281	ERROR_DECLARE;
282		282
283	measured_string_ref setting;	283	measured_string_ref setting;
284	char * name;	284	char * name;
285	char * value;	285	char * value;
286		286
287	// from the beginning	287	// from the beginning
288	name = line;	288	name = line;
289	// skip spaces	289	// skip spaces
290	while( isspace( * name )) ++ name;	290	while( isspace( * name )) ++ name;
291	// remember the name start	291	// remember the name start
292	value = name;	292	value = name;
293	// skip the name	293	// skip the name
294	while( isalnum( * value ) \|\| ( * value == '_' )){	294	while( isalnum( * value ) \|\| ( * value == '_' )){
295	// make uppercase	295	// make uppercase
296	// * value = toupper( * value );	296	// * value = toupper( * value );
297	++ value;	297	++ value;
298	}	298	}
299	if( * value == '=' ){	299	if( * value == '=' ){
300	// terminate the name	300	// terminate the name
301	* value = '\0';	301	* value = '\0';
302	}else{	302	}else{
303	// terminate the name	303	// terminate the name
304	* value = '\0';	304	* value = '\0';
305	// skip until '='	305	// skip until '='
306	++ value;	306	++ value;
307	while(( * value ) && ( * value != '=' )) ++ value;	307	while(( * value ) && ( * value != '=' )) ++ value;
308	// not found?	308	// not found?
309	if( * value != '=' ) return EINVAL;	309	if( * value != '=' ) return EINVAL;
310	}	310	}
311	++ value;	311	++ value;
312	// skip spaces	312	// skip spaces
313	while( isspace( * value )) ++ value;	313	while( isspace( * value )) ++ value;
314	// create a bulk measured string till the end	314	// create a bulk measured string till the end
315	setting = measured_string_create_bulk( value, -1 );	315	setting = measured_string_create_bulk( value, -1 );
316	if( ! setting ) return ENOMEM;	316	if( ! setting ) return ENOMEM;
317	// add the configuration setting	317	// add the configuration setting
318	if( ERROR_OCCURRED( measured_strings_add( configuration, name, 0, setting ))){	318	if( ERROR_OCCURRED( measured_strings_add( configuration, name, 0, setting ))){
319	free( setting );	319	free( setting );
320	return ERROR_CODE;	320	return ERROR_CODE;
321	}	321	}
322	return EOK;	322	return EOK;
323	}	323	}
324	*/	324	*/
325		325
326	int add_configuration( measured_strings_ref configuration, const char * name, const char * value ){	326	int add_configuration( measured_strings_ref configuration, const char * name, const char * value ){
327	ERROR_DECLARE;	327	ERROR_DECLARE;
328		328
329	measured_string_ref setting;	329	measured_string_ref setting;
330		330
331	setting = measured_string_create_bulk( value, 0 );	331	setting = measured_string_create_bulk( value, 0 );
332	if( ! setting ) return ENOMEM;	332	if( ! setting ) return ENOMEM;
333	// add the configuration setting	333	// add the configuration setting
334	if( ERROR_OCCURRED( measured_strings_add( configuration, name, 0, setting ))){	334	if( ERROR_OCCURRED( measured_strings_add( configuration, name, 0, setting ))){
335	free( setting );	335	free( setting );
336	return ERROR_CODE;	336	return ERROR_CODE;
337	}	337	}
338	return EOK;	338	return EOK;
339	}	339	}
340		340
341	device_id_t generate_new_device_id( void ){	341	device_id_t generate_new_device_id( void ){
342	return device_assign_devno();	342	return device_assign_devno();
343	}	343	}
344		344
345	int read_configuration( void ){	345	int read_configuration( void ){
346	ERROR_DECLARE;	346	ERROR_DECLARE;
347		347
348	// read general configuration	348	// read general configuration
349	ERROR_PROPAGATE( add_configuration( & net_globals.configuration, "IPV", "4" ));	349	ERROR_PROPAGATE( add_configuration( & net_globals.configuration, "IPV", "4" ));
350	ERROR_PROPAGATE( add_configuration( & net_globals.configuration, "MTU", "1500" ));	350	ERROR_PROPAGATE( add_configuration( & net_globals.configuration, "MTU", "1500" ));
351	ERROR_PROPAGATE( add_configuration( & net_globals.configuration, "ICMP_ERROR_REPORTING", "yes" )); //anything else not starting with 'y'	351	ERROR_PROPAGATE( add_configuration( & net_globals.configuration, "ICMP_ERROR_REPORTING", "yes" )); //anything else not starting with 'y'
352	ERROR_PROPAGATE( add_configuration( & net_globals.configuration, "ICMP_ECHO_REPLYING", "yes" )); //anything else not starting with 'y'	352	ERROR_PROPAGATE( add_configuration( & net_globals.configuration, "ICMP_ECHO_REPLYING", "yes" )); //anything else not starting with 'y'
353	ERROR_PROPAGATE( add_configuration( & net_globals.configuration, "UDP_CHECKSUM_COMPUTING", "yes" )); //anything else not starting with 'y'	353	ERROR_PROPAGATE( add_configuration( & net_globals.configuration, "UDP_CHECKSUM_COMPUTING", "yes" )); //anything else not starting with 'y'
-		354	ERROR_PROPAGATE( add_configuration( & net_globals.configuration, "UDP_AUTOBINDING", "yes" )); //anything else not starting with 'y'
354	return EOK;	355	return EOK;
355	}	356	}
356		357
357	int read_netif_configuration( char * name, netif_ref netif ){	358	int read_netif_configuration( char * name, netif_ref netif ){
358	ERROR_DECLARE;	359	ERROR_DECLARE;
359		360
360	if( str_lcmp( name, "lo", 2 ) == 0 ){	361	if( str_lcmp( name, "lo", 2 ) == 0 ){
361	ERROR_PROPAGATE( add_configuration( & netif->configuration, "NAME", LO_NAME ));	362	ERROR_PROPAGATE( add_configuration( & netif->configuration, "NAME", LO_NAME ));
362	ERROR_PROPAGATE( add_configuration( & netif->configuration, "NETIF", LO_NAME ));	363	ERROR_PROPAGATE( add_configuration( & netif->configuration, "NETIF", LO_NAME ));
363	ERROR_PROPAGATE( add_configuration( & netif->configuration, "IL", IP_NAME ));	364	ERROR_PROPAGATE( add_configuration( & netif->configuration, "IL", IP_NAME ));
364	ERROR_PROPAGATE( add_configuration( & netif->configuration, "IP_CONFIG", "static" ));	365	ERROR_PROPAGATE( add_configuration( & netif->configuration, "IP_CONFIG", "static" ));
365	ERROR_PROPAGATE( add_configuration( & netif->configuration, "IP_ADDR", "127.0.0.1" ));	366	ERROR_PROPAGATE( add_configuration( & netif->configuration, "IP_ADDR", "127.0.0.1" ));
366	ERROR_PROPAGATE( add_configuration( & netif->configuration, "IP_ROUTING", "yes" ));	367	ERROR_PROPAGATE( add_configuration( & netif->configuration, "IP_ROUTING", "yes" ));
367	ERROR_PROPAGATE( add_configuration( & netif->configuration, "NETMASK", "255.0.0.0" ));	368	ERROR_PROPAGATE( add_configuration( & netif->configuration, "NETMASK", "255.0.0.0" ));
368	ERROR_PROPAGATE( add_configuration( & netif->configuration, "MTU", "15535" ));	369	ERROR_PROPAGATE( add_configuration( & netif->configuration, "MTU", "15535" ));
369	}else if( str_lcmp( name, "ne2k", 4 ) == 0 ){	370	}else if( str_lcmp( name, "ne2k", 4 ) == 0 ){
370	ERROR_PROPAGATE( add_configuration( & netif->configuration, "NAME", "eth0" ));	371	ERROR_PROPAGATE( add_configuration( & netif->configuration, "NAME", "eth0" ));
371	ERROR_PROPAGATE( add_configuration( & netif->configuration, "NETIF", DP8390_NAME ));	372	ERROR_PROPAGATE( add_configuration( & netif->configuration, "NETIF", DP8390_NAME ));
372	ERROR_PROPAGATE( add_configuration( & netif->configuration, "ETH_MODE", "DIX" )); //8023_2_LSAP( not supported ), 8023_2_SNAP	373	ERROR_PROPAGATE( add_configuration( & netif->configuration, "ETH_MODE", "DIX" )); //8023_2_LSAP( not supported ), 8023_2_SNAP
373	// ERROR_PROPAGATE( add_configuration( & netif->configuration, "ETH_DUMMY", "yes" )); //anything else not starting with 'y'	374	// ERROR_PROPAGATE( add_configuration( & netif->configuration, "ETH_DUMMY", "yes" )); //anything else not starting with 'y'
374	ERROR_PROPAGATE( add_configuration( & netif->configuration, "IL", IP_NAME ));	375	ERROR_PROPAGATE( add_configuration( & netif->configuration, "IL", IP_NAME ));
375	ERROR_PROPAGATE( add_configuration( & netif->configuration, "IRQ", "9" ));	376	ERROR_PROPAGATE( add_configuration( & netif->configuration, "IRQ", "9" ));
376	ERROR_PROPAGATE( add_configuration( & netif->configuration, "IO", "300" ));	377	ERROR_PROPAGATE( add_configuration( & netif->configuration, "IO", "300" ));
377	ERROR_PROPAGATE( add_configuration( & netif->configuration, "MTU", "576" ));	378	ERROR_PROPAGATE( add_configuration( & netif->configuration, "MTU", "576" ));
378	ERROR_PROPAGATE( add_configuration( & netif->configuration, "IP_CONFIG", "static" ));	379	ERROR_PROPAGATE( add_configuration( & netif->configuration, "IP_CONFIG", "static" ));
379	ERROR_PROPAGATE( add_configuration( & netif->configuration, "IP_ADDR", "10.0.2.15" ));	380	ERROR_PROPAGATE( add_configuration( & netif->configuration, "IP_ADDR", "10.0.2.15" ));
380	ERROR_PROPAGATE( add_configuration( & netif->configuration, "IP_ROUTING", "yes" ));	381	ERROR_PROPAGATE( add_configuration( & netif->configuration, "IP_ROUTING", "yes" ));
381	ERROR_PROPAGATE( add_configuration( & netif->configuration, "NETMASK", "255.255.255.240" ));	382	ERROR_PROPAGATE( add_configuration( & netif->configuration, "NETMASK", "255.255.255.240" ));
382	ERROR_PROPAGATE( add_configuration( & netif->configuration, "BROADCAST", "10.0.2.255" ));	383	ERROR_PROPAGATE( add_configuration( & netif->configuration, "BROADCAST", "10.0.2.255" ));
383	ERROR_PROPAGATE( add_configuration( & netif->configuration, "GATEWAY", "10.0.2.2" ));	384	ERROR_PROPAGATE( add_configuration( & netif->configuration, "GATEWAY", "10.0.2.2" ));
384	ERROR_PROPAGATE( add_configuration( & netif->configuration, "DNS1", "10.0.2.2" ));	385	ERROR_PROPAGATE( add_configuration( & netif->configuration, "DNS1", "10.0.2.2" ));
385	ERROR_PROPAGATE( add_configuration( & netif->configuration, "DNS2", "10.0.2.2" ));	386	ERROR_PROPAGATE( add_configuration( & netif->configuration, "DNS2", "10.0.2.2" ));
386	ERROR_PROPAGATE( add_configuration( & netif->configuration, "ARP", "arp" ));	387	ERROR_PROPAGATE( add_configuration( & netif->configuration, "ARP", "arp" ));
387	}	388	}
388	return read_netif_configuration_build( name, netif );	389	return read_netif_configuration_build( name, netif );
389	}	390	}
390		391
391	int start_device( netif_ref netif ){	392	int start_device( netif_ref netif ){
392	ERROR_DECLARE;	393	ERROR_DECLARE;
393		394
394	measured_string_ref setting;	395	measured_string_ref setting;
395	services_t internet_service;	396	services_t internet_service;
396	int irq;	397	int irq;
397	int io;	398	int io;
398	int mtu;	399	int mtu;
399		400
400	// mandatory netif	401	// mandatory netif
401	setting = measured_strings_find( & netif->configuration, CONF_NETIF, 0 );	402	setting = measured_strings_find( & netif->configuration, CONF_NETIF, 0 );
402	netif->driver = get_running_module( & net_globals.modules, setting->value );	403	netif->driver = get_running_module( & net_globals.modules, setting->value );
403	if( ! netif->driver ){	404	if( ! netif->driver ){
404	printf( "Failed to start the network interface driver %s\n", setting->value );	405	printf( "Failed to start the network interface driver %s\n", setting->value );
405	return EINVAL;	406	return EINVAL;
406	}	407	}
407	// optional network interface layer	408	// optional network interface layer
408	setting = measured_strings_find( & netif->configuration, CONF_NIL, 0 );	409	setting = measured_strings_find( & netif->configuration, CONF_NIL, 0 );
409	if( setting ){	410	if( setting ){
410	netif->nil = get_running_module( & net_globals.modules, setting->value );	411	netif->nil = get_running_module( & net_globals.modules, setting->value );
411	if( ! netif->nil ){	412	if( ! netif->nil ){
412	printf( "Failed to start the network interface layer %s\n", setting->value );	413	printf( "Failed to start the network interface layer %s\n", setting->value );
413	return EINVAL;	414	return EINVAL;
414	}	415	}
415	}else{	416	}else{
416	netif->nil = NULL;	417	netif->nil = NULL;
417	}	418	}
418	// mandatory internet layer	419	// mandatory internet layer
419	setting = measured_strings_find( & netif->configuration, CONF_IL, 0 );	420	setting = measured_strings_find( & netif->configuration, CONF_IL, 0 );
420	netif->il = get_running_module( & net_globals.modules, setting->value );	421	netif->il = get_running_module( & net_globals.modules, setting->value );
421	if( ! netif->il ){	422	if( ! netif->il ){
422	printf( "Failed to start the internet layer %s\n", setting->value );	423	printf( "Failed to start the internet layer %s\n", setting->value );
423	return EINVAL;	424	return EINVAL;
424	}	425	}
425	// end of the static loopback initialization	426	// end of the static loopback initialization
426	// startup the loopback interface	427	// startup the loopback interface
427	setting = measured_strings_find( & netif->configuration, CONF_IRQ, 0 );	428	setting = measured_strings_find( & netif->configuration, CONF_IRQ, 0 );
428	irq = setting ? strtol( setting->value, NULL, 10 ) : 0;	429	irq = setting ? strtol( setting->value, NULL, 10 ) : 0;
429	setting = measured_strings_find( & netif->configuration, CONF_IO, 0 );	430	setting = measured_strings_find( & netif->configuration, CONF_IO, 0 );
430	io = setting ? strtol( setting->value, NULL, 16 ) : 0;	431	io = setting ? strtol( setting->value, NULL, 16 ) : 0;
431	ERROR_PROPAGATE( netif_probe_req( netif->driver->phone, netif->id, irq, io ));	432	ERROR_PROPAGATE( netif_probe_req( netif->driver->phone, netif->id, irq, io ));
432	if( netif->nil ){	433	if( netif->nil ){
433	setting = measured_strings_find( & netif->configuration, CONF_MTU, 0 );	434	setting = measured_strings_find( & netif->configuration, CONF_MTU, 0 );
434	if( ! setting ){	435	if( ! setting ){
435	setting = measured_strings_find( & net_globals.configuration, CONF_MTU, 0 );	436	setting = measured_strings_find( & net_globals.configuration, CONF_MTU, 0 );
436	}	437	}
437	mtu = setting ? strtol( setting->value, NULL, 10 ) : 0;	438	mtu = setting ? strtol( setting->value, NULL, 10 ) : 0;
438	ERROR_PROPAGATE( nil_device_req( netif->nil->phone, netif->id, mtu, netif->driver->service ));	439	ERROR_PROPAGATE( nil_device_req( netif->nil->phone, netif->id, mtu, netif->driver->service ));
439	internet_service = netif->nil->service;	440	internet_service = netif->nil->service;
440	}else{	441	}else{
441	internet_service = netif->driver->service;	442	internet_service = netif->driver->service;
442	}	443	}
443	switch( netif->il->service ){	444	switch( netif->il->service ){
444	case SERVICE_IP:	445	case SERVICE_IP:
445	ERROR_PROPAGATE( ip_device_req( netif->il->phone, netif->id, internet_service ));	446	ERROR_PROPAGATE( ip_device_req( netif->il->phone, netif->id, internet_service ));
446	break;	447	break;
447	default:	448	default:
448	return ENOENT;	449	return ENOENT;
449	}	450	}
450	ERROR_PROPAGATE( netif_start_req( netif->driver->phone, netif->id ));	451	ERROR_PROPAGATE( netif_start_req( netif->driver->phone, netif->id ));
451	return EOK;	452	return EOK;
452	}	453	}
453		454
454	int startup( void ){	455	int startup( void ){
455	ERROR_DECLARE;	456	ERROR_DECLARE;
456		457
457	char * conf_files[] = { "lo", "ne2k" };	458	char * conf_files[] = { "lo", "ne2k" };
458	int count = sizeof( conf_files ) / sizeof( char * );	459	int count = sizeof( conf_files ) / sizeof( char * );
459	int index;	460	int index;
460	netif_ref netif;	461	netif_ref netif;
461	int i;	462	int i;
462	measured_string_ref setting;	463	measured_string_ref setting;
463		464
464	for( i = 0; i < count; ++ i ){	465	for( i = 0; i < count; ++ i ){
465	netif = ( netif_ref ) malloc( sizeof( netif_t ));	466	netif = ( netif_ref ) malloc( sizeof( netif_t ));
466	if( ! netif ) return ENOMEM;	467	if( ! netif ) return ENOMEM;
467		468
468	netif->id = generate_new_device_id();	469	netif->id = generate_new_device_id();
469	if( ! netif->id ) return EXDEV;	470	if( ! netif->id ) return EXDEV;
470	ERROR_PROPAGATE( measured_strings_initialize( & netif->configuration ));	471	ERROR_PROPAGATE( measured_strings_initialize( & netif->configuration ));
471	// read configuration files	472	// read configuration files
472	if( ERROR_OCCURRED( read_netif_configuration( conf_files[ i ], netif ))){	473	if( ERROR_OCCURRED( read_netif_configuration( conf_files[ i ], netif ))){
473	measured_strings_destroy( & netif->configuration );	474	measured_strings_destroy( & netif->configuration );
474	free( netif );	475	free( netif );
475	return ERROR_CODE;	476	return ERROR_CODE;
476	}	477	}
477	// mandatory name	478	// mandatory name
478	setting = measured_strings_find( & netif->configuration, CONF_NAME, 0 );	479	setting = measured_strings_find( & netif->configuration, CONF_NAME, 0 );
479	if( ! setting ){	480	if( ! setting ){
480	printf( "The name is missing\n" );	481	printf( "The name is missing\n" );
481	measured_strings_destroy( & netif->configuration );	482	measured_strings_destroy( & netif->configuration );
482	free( netif );	483	free( netif );
483	return EINVAL;	484	return EINVAL;
484	}	485	}
485	netif->name = setting->value;	486	netif->name = setting->value;
486	// add to the netifs map	487	// add to the netifs map
487	index = netifs_add( & net_globals.netifs, netif->id, netif );	488	index = netifs_add( & net_globals.netifs, netif->id, netif );
488	if( index < 0 ){	489	if( index < 0 ){
489	measured_strings_destroy( & netif->configuration );	490	measured_strings_destroy( & netif->configuration );
490	free( netif );	491	free( netif );
491	return index;	492	return index;
492	}	493	}
493	// add to the netif names map	494	// add to the netif names map
494	if( ERROR_OCCURRED( char_map_add( & net_globals.netif_names, netif->name, 0, index ))	495	if( ERROR_OCCURRED( char_map_add( & net_globals.netif_names, netif->name, 0, index ))
495	// start network interfaces and needed modules	496	// start network interfaces and needed modules
496	\|\| ERROR_OCCURRED( start_device( netif ))){	497	\|\| ERROR_OCCURRED( start_device( netif ))){
497	measured_strings_destroy( & netif->configuration );	498	measured_strings_destroy( & netif->configuration );
498	netifs_exclude_index( & net_globals.netifs, index );	499	netifs_exclude_index( & net_globals.netifs, index );
499	return ERROR_CODE;	500	return ERROR_CODE;

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(root)/branches/network/uspace/srv/net/net/net.c – Rev 4722 → 4730