WebSVN – HelenOS – Diff – /branches/network/uspace/srv/net/networking/networking.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
  */
 #include <async.h>
 #include <ctype.h>
 #include <ddi.h>
 #include <errno.h>
 #include <malloc.h>
 #include <stdio.h>
-#include <task.h>
-#include <unistd.h>
 #include <ipc/ipc.h>
 #include <ipc/services.h>
 #include "../err.h"
 #include "../messages.h"
 #include "../modules.h"
 //#include "../self_test.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 "../structures/packet/packet_server.h"
 #include "../il/ip/ip_messages.h"
 #include "../netif/device.h"
 #if IP_BUNDLE
     #include "../ip/ip_module.h"
 #endif
 #if TCP_BUNDLE
     #include "../tcp/tcp_module.h"
 #endif
 #define NAME    "Networking"
 #define LO_NAME             "lo"
 #define LO_FILENAME         "/srv/lo"
 #define DP8390_NAME         "dp8390"
 #define DP8390_FILENAME     "/srv/dp8390"
 #define ETHERNET_NAME       "ethernet"
 #define ETHERNET_FILENAME   "/srv/eth"
 #define IP_NAME             "ip"
 #define IP_FILENAME         "/srv/ip"
 #define CONF_NAME           "NAME"
 #define CONF_NETIF          "NETIF"
 #define CONF_NIL            "NIL"
 #define CONF_IL             "IL"
 #define CONF_IRQ            "IRQ"
 #define CONF_IO             "IO"
 #define CONF_MTU            "MTU"
 #define IPC_GET_DEVICE( call )  ( device_id_t ) IPC_GET_ARG1( * call )
 #define IPC_GET_COUNT( call )   ( int ) IPC_GET_ARG2( * call )
-typedef struct module_struct    module_t;
-typedef module_t *      module_ref;
 typedef struct netif        netif_t;
 typedef netif_t *       netif_ref;
 typedef struct networking_globals   networking_globals_t;
 DEVICE_MAP_DECLARE( netifs, netif_t )
 GENERIC_CHAR_MAP_DECLARE( measured_strings, measured_string_t )
-GENERIC_CHAR_MAP_DECLARE( modules, module_t )
-struct module_struct{
-    task_id_t   task_id;
-    services_t  service;
-    int         phone;
-    int         usage;
-    char *      name;
-    char *      filename;
-};
 /** A present network interface device.
  */
 struct netif{
     /** A system-unique network interface identifier.
      */
     device_id_t     id;
     /** A serving network interface driver module index.
      */
     module_ref      driver;
     /** A serving link layer module index.
      */
     module_ref      nil;
     /** A serving internet layer module index.
      */
     module_ref      il;
     /** A system-unique network interface name.
      */
     char *          name;
     /** Configuration.
      */
     measured_strings_t  configuration;
 };
 /** A networking module global variables.
  */
 struct networking_globals{
     /** Present network interfaces.
      */
     netifs_t        netifs;
     /** Network interface structure indices by names.
      */
     char_map_t      netif_names;
     /** Available modules.
      */
     modules_t       modules;
     /** Global configuration.
      */
     measured_strings_t  configuration;
 };
 void    networking_print_name( void );
-int     add_module( module_ref * module, modules_ref modules, char * name, char * filename, services_t service, task_id_t task_id );
 measured_string_ref configuration_find( measured_strings_ref configuration, const char * name );
 int networking_start_module( async_client_conn_t client_connection );
 int     networking_initialize( void );
 int networking_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count );
 int net_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count );
 //int       parse_line( measured_strings_ref configuration, char * line );
 int     add_configuration( measured_strings_ref configuration, const char * name, const char * value );
 int     read_configuration( void );
+int     read_netif_configuration( char * name, netif_ref netif );
-task_id_t   spawn( char * fname );
+int     start_device( netif_ref netif );
 int     startup( void );
 device_id_t generate_new_device_id( void );
 static networking_globals_t networking_globals;
 DEVICE_MAP_IMPLEMENT( netifs, netif_t )
 GENERIC_CHAR_MAP_IMPLEMENT( measured_strings, measured_string_t )
-GENERIC_CHAR_MAP_IMPLEMENT( modules, module_t )
 void networking_print_name( void ){
     printf( NAME );
+}
-int add_module( module_ref * module, modules_ref modules, char * name, char * filename, services_t service, task_id_t task_id ){
-    ERROR_DECLARE;
-    module_ref  tmp_module;
-    tmp_module = ( module_ref ) malloc( sizeof( module_t ));
-    if( ! tmp_module ) return ENOMEM;
-    tmp_module->task_id = task_id;
-    tmp_module->phone = 0;
-    tmp_module->usage = 0;
-    tmp_module->name = name;
-    tmp_module->filename = filename;
-    tmp_module->service = service;
-    if( ERROR_OCCURRED( modules_add( modules, tmp_module->name, 0, tmp_module ))){
-        free( tmp_module );
-        return ERROR_CODE;
-    }
-    if( module ) * module = tmp_module;
-    return EOK;
-}
 int networking_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){
 #ifdef NETWORKING_module
         //TODO map to *_message
         if( IS_NET_IL_MESSAGE( call ) || IS_NET_IP_MESSAGE( call )){
             return ip_message( callid, call, answer, answer_count );
 /*      }else if( IS_NET_ARP_MESSAGE( call )){
             return arp_message( callid, call, answer, answer_count );
 *//*        }else if( IS_NET_RARP_MESSAGE( call )){
             return rarp_message( callid, call, answer, answer_count );
 *//*        }else if( IS_NET_ICMP_MESSAGE( call )){
             return icmp_message( callid, call, answer, answer_count );
 *//*        }else if( IS_NET_UDP_MESSAGE( call )){
             return udp_message( callid, call, answer, answer_count );
 */      }else if( IS_NET_TCP_MESSAGE( call )){
             return tcp_message( callid, call, answer, answer_count );
 /*      }else if( IS_NET_SOCKET_MESSAGE( call )){
             return socket_message( callid, call, answer, answer_count );
 *//*        }else if( IS_NET_NIL_MESSAGE( call ) || IS_NET_ETHERNET_MESSAGE( call )){
             return ethernet_message( callid, call, answer, answer_count );
 */      }else{
 #endif
             if( IS_NET_PACKET_MESSAGE( call )){
                 return packet_server_message( callid, call, answer, answer_count );
             }else{
                 return net_message( callid, call, answer, answer_count );
+            }
 #ifdef NETWORKING_module
+        }
 #endif
+}
 int networking_start_module( async_client_conn_t client_connection ){
     ERROR_DECLARE;
     ipcarg_t    phonehash;
     async_set_client_connection( client_connection );
     ERROR_PROPAGATE( pm_init());
     if( ERROR_OCCURRED( networking_initialize())
     || ERROR_OCCURRED( REGISTER_ME( SERVICE_NETWORKING, & phonehash ))){
         pm_destroy();
         return ERROR_CODE;
+    }
     async_manager();
     pm_destroy();
     return EOK;
+}
 int networking_initialize( void ){
     ERROR_DECLARE;
     task_id_t   task_id;
     netifs_initialize( & networking_globals.netifs );
     char_map_initialize( & networking_globals.netif_names );
     modules_initialize( & networking_globals.modules );
     measured_strings_initialize( & networking_globals.configuration );
     // run self tests
 //  ERROR_PROPAGATE( self_test());
     ERROR_PROPAGATE( add_module( NULL, & networking_globals.modules, LO_NAME, LO_FILENAME, SERVICE_LO, 0 ));
     ERROR_PROPAGATE( add_module( NULL, & networking_globals.modules, DP8390_NAME, DP8390_FILENAME, SERVICE_DP8390, 0 ));
     ERROR_PROPAGATE( add_module( NULL, & networking_globals.modules, ETHERNET_NAME, ETHERNET_FILENAME, SERVICE_ETHERNET, 0 ));
 #ifdef NETWORKING_modular
     task_id = spawn( "/srv/ip" );
     if( ! task_id ) return EINVAL;
     ERROR_PROPAGATE( add_module( NULL, & networking_globals.modules, IP_NAME, IP_FILENAME, SERVICE_IP, task_id ));
 //  if( ! spawn( "/srv/udp" )) return EINVAL;
 //  if( ! spawn( "/srv/tcp" )) return EINVAL;
 //  if( ! spawn( "/srv/socket" )) return EINVAL;
 //  not always necesssary
 //  if( ! spawn( "/srv/arp" )) return EINVAL;
 //  if( ! spawn( "/srv/rarp" )) return EINVAL;
 //  if( ! spawn( "/srv/icmp" )) return EINVAL;
 #else
 #ifdef NETWORKING_module
     ipcarg_t    phonehash;
     ERROR_PROPAGATE( REGISTER_ME( SERVICE_IP, & phonehash ));
     ERROR_PROPAGATE( add_module( NULL, & networking_globals.modules, IP_NAME, IP_FILENAME, SERVICE_IP, task_get_id()));
     ERROR_PROPAGATE( ip_initialize());
 //  ERROR_PROPAGATE( REGISTER_ME( SERVICE_ARP, & phonehash ));
 //  ERROR_PROPAGATE( arp_initialize());
 //  ERROR_PROPAGATE( REGISTER_ME( SERVICE_RARP, & phonehash ));
 //  ERROR_PROPAGATE( rarp_initialize());
 //  ERROR_PROPAGATE( REGISTER_ME( SERVICE_ICMP, & phonehash ));
 //  ERROR_PROPAGATE( icmp_initialize());
 //  ERROR_PROPAGATE( REGISTER_ME( SERVICE_UDP, & phonehash ));
 //  ERROR_PROPAGATE( udp_initialize());
     ERROR_PROPAGATE( REGISTER_ME( SERVICE_TCP, & phonehash ));
     ERROR_PROPAGATE( tcp_initialize());
 //  ERROR_PROPAGATE( REGISTER_ME( SERVICE_SOCKET, & phonehash ));
 //  ERROR_PROPAGATE( socket_initialize());
 //  ERROR_PROPAGATE( REGISTER_ME( SERVICE_ETHERNET, & phonehash ));
 //  ERROR_PROPAGATE( ethernet_initialize());
 #endif
 #endif
     return EOK;
+}
 //TODO as ip.c
 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;
     int         index;
     measured_string_ref setting;
     measured_strings_ref    configuration;
     netif_ref       netif;
     * answer_count = 0;
     switch( IPC_GET_METHOD( * call )){
         case IPC_M_PHONE_HUNGUP:
             return EOK;
         case NET_NET_DEVICE:
             // TODO configure, register
             printf( "\nNetworking: new netif %d", IPC_GET_DEVICE( call ));
             return EOK;
         case NET_NET_GET_DEVICE_CONF:
             ERROR_PROPAGATE( measured_strings_receive( & strings, & data, IPC_GET_COUNT( call )));
             netif = netifs_find( & networking_globals.netifs, IPC_GET_DEVICE( call ));
             if( netif ){
                 configuration = & netif->configuration;
             }else{
                 configuration = NULL;
+            }
             for( index = 0; index < IPC_GET_COUNT( call ); ++ index ){
                 setting = measured_strings_find( configuration, strings[ index ].value, 0 );
                 if( ! setting ){
                     setting = measured_strings_find( & networking_globals.configuration, strings[ index ].value, 0 );
+                }
                 if( setting ){
                     strings[ index ].length = setting->length;
                     strings[ index ].value = setting->value;
                 }else{
                     strings[ index ].length = 0;
                     strings[ index ].value = 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:
             // arg1 = count
             ERROR_PROPAGATE( measured_strings_receive( & strings, & data, IPC_GET_COUNT( call )));
             for( index = 0; index < IPC_GET_COUNT( call ); ++ index ){
                 setting = measured_strings_find( & networking_globals.configuration, strings[ index ].value, 0 );
                 if( setting ){
                     strings[ index ].length = setting->length;
                     strings[ index ].value = setting->value;
                 }else{
                     strings[ index ].length = 0;
                     strings[ index ].value = 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;
-    netif_ref           netif;
-    measured_string_ref setting;
-    services_t          internet_service;
-    int                 index;
-    int                 irq;
-    int                 io;
-    int                 mtu;
     // read general configuration
     ERROR_PROPAGATE( add_configuration( & networking_globals.configuration, "IPV", "4" ));
     ERROR_PROPAGATE( add_configuration( & networking_globals.configuration, "MTU", "1500" ));
+    return EOK;
+}
-    // read network interfaces configuration
+int read_netif_configuration( char * name, netif_ref netif ){
+    ERROR_DECLARE;
-    netif = ( netif_ref ) malloc( sizeof( netif_t ));
-    if( ! netif ) return ENOMEM;
+    if( strncmp( name, "lo", 2 ) == 0 ){
-    netif->id = generate_new_device_id();
-    ERROR_PROPAGATE( measured_strings_initialize( & netif->configuration ));
-    if( ERROR_OCCURRED( add_configuration( & netif->configuration, "NAME", "eth0" ))
+        ERROR_PROPAGATE( add_configuration( & netif->configuration, "NAME", LO_NAME ));
-    || ERROR_OCCURRED( add_configuration( & netif->configuration, "NETIF", DP8390_NAME ))
+        ERROR_PROPAGATE( add_configuration( & netif->configuration, "NETIF", LO_NAME ));
-    || ERROR_OCCURRED( add_configuration( & netif->configuration, "NIL", ETHERNET_NAME ))
+        ERROR_PROPAGATE( add_configuration( & netif->configuration, "IL", IP_NAME ));
-    || ERROR_OCCURRED( add_configuration( & netif->configuration, "IL", IP_NAME ))
+        ERROR_PROPAGATE( add_configuration( & netif->configuration, "IP_CONFIG", "static" ));
-    || ERROR_OCCURRED( add_configuration( & netif->configuration, "IRQ", "9" ))
+        ERROR_PROPAGATE( add_configuration( & netif->configuration, "IP_ADDR", "127.0.0.1" ));
-    || ERROR_OCCURRED( add_configuration( & netif->configuration, "IO", "300" ))
+        ERROR_PROPAGATE( add_configuration( & netif->configuration, "NETMASK", "255.0.0.0" ));
-    || ERROR_OCCURRED( add_configuration( & netif->configuration, "IP_CONFIG", "STATIC" ))
+    }else if( strncmp( name, "ne2k", 4 ) == 0 ){
-    || ERROR_OCCURRED( add_configuration( & netif->configuration, "IP_ADDR", "10.0.2.5" ))
+        ERROR_PROPAGATE( add_configuration( & netif->configuration, "NAME", "eth0" ));
-    || ERROR_OCCURRED( add_configuration( & netif->configuration, "NETMASK", "255.255.255.0" ))
+        ERROR_PROPAGATE( add_configuration( & netif->configuration, "NETIF", DP8390_NAME ));
-    || ERROR_OCCURRED( add_configuration( & netif->configuration, "BROADCAST", "10.0.2.255" ))
+        ERROR_PROPAGATE( add_configuration( & netif->configuration, "NIL", ETHERNET_NAME ));
-    || ERROR_OCCURRED( add_configuration( & netif->configuration, "GATEWAY", "10.0.2.2" ))
+        ERROR_PROPAGATE( add_configuration( & netif->configuration, "IL", IP_NAME ));
-    || ERROR_OCCURRED( add_configuration( & netif->configuration, "DNS1", "10.0.2.2" ))
+        ERROR_PROPAGATE( add_configuration( & netif->configuration, "IRQ", "9" ));
-    || ERROR_OCCURRED( add_configuration( & netif->configuration, "DNS2", "10.0.2.2" ))
+        ERROR_PROPAGATE( add_configuration( & netif->configuration, "IO", "300" ));
-    || ERROR_OCCURRED( add_configuration( & netif->configuration, "ARP", "ARP" ))){
+        ERROR_PROPAGATE( add_configuration( & netif->configuration, "IP_CONFIG", "static" ));
-        measured_strings_destroy( & netif->configuration );
-        free( netif );
-        return ERROR_CODE;
-    }
-/*  if( ERROR_OCCURRED( add_configuration( & netif->configuration, "NAME", LO_NAME ))
+        ERROR_PROPAGATE( add_configuration( & netif->configuration, "IP_ADDR", "10.0.2.5" ));
-    || ERROR_OCCURRED( add_configuration( & netif->configuration, "NETIF", LO_NAME ))
+        ERROR_PROPAGATE( add_configuration( & netif->configuration, "NETMASK", "255.255.255.0" ));
-    || ERROR_OCCURRED( add_configuration( & netif->configuration, "IL", IP_NAME ))
+        ERROR_PROPAGATE( add_configuration( & netif->configuration, "BROADCAST", "10.0.2.255" ));
-    || ERROR_OCCURRED( add_configuration( & netif->configuration, "IP_CONFIG", "STATIC" ))
+        ERROR_PROPAGATE( add_configuration( & netif->configuration, "GATEWAY", "10.0.2.2" ));
-    || ERROR_OCCURRED( add_configuration( & netif->configuration, "IP_ADDR", "127.0.0.1" ))
+        ERROR_PROPAGATE( add_configuration( & netif->configuration, "DNS1", "10.0.2.2" ));
-    || ERROR_OCCURRED( add_configuration( & netif->configuration, "NETMASK", "255.0.0.0" ))){
+        ERROR_PROPAGATE( add_configuration( & netif->configuration, "DNS2", "10.0.2.2" ));
-        measured_strings_destroy( & netif->configuration );
-        free( netif );
-        return ERROR_CODE;
-    }
-*/  // mandatory name
-    setting = measured_strings_find( & netif->configuration, CONF_NAME, 0 );
+        ERROR_PROPAGATE( add_configuration( & netif->configuration, "ARP", "arp" ));
-    if( ! setting ){
-        printf( "\nThe name is missing" );
-        measured_strings_destroy( & netif->configuration );
-        free( netif );
-        return EINVAL;
+    }
+    return EOK;
+}
+int start_device( netif_ref netif ){
+    ERROR_DECLARE;
+    measured_string_ref setting;
-    netif->name = setting->value;
+    services_t          internet_service;
+    int                 irq;
+    int                 io;
+    int                 mtu;
     // mandatory netif
     setting = measured_strings_find( & netif->configuration, CONF_NETIF, 0 );
-    if( ! setting ){
-        printf( "\nThe network interface driver is missing" );
-        measured_strings_destroy( & netif->configuration );
-        free( netif );
-        return EINVAL;
-    }
-    netif->driver = modules_find( & networking_globals.modules, setting->value, 0 );
+    netif->driver = get_running_module( & networking_globals.modules, setting->value );
     if( ! netif->driver ){
-        printf( "\nThe network interface driver is unknown" );
+        printf( "\nFailed to start the network interface driver %s", setting->value );
-        // TODO register the unknown one
-        measured_strings_destroy( & netif->configuration );
-        free( netif );
         return EINVAL;
+    }
-    if( ! netif->driver->task_id ){
-        netif->driver->task_id = spawn( netif->driver->filename );
-        if( ! netif->driver->task_id ){
-            printf( "\nFailed to start the network interface driver" );
-            measured_strings_destroy( & netif->configuration );
-            free( netif );
-            return EINVAL;
-        }
-    }
     // optional network interface layer
     setting = measured_strings_find( & netif->configuration, CONF_NIL, 0 );
     if( setting ){
-        netif->nil = modules_find( & networking_globals.modules, setting->value, 0 );
+        netif->nil = get_running_module( & networking_globals.modules, setting->value );
         if( ! netif->nil ){
-            printf( "\nThe network interface layer is unknown" );
+            printf( "\nFailed to start the network interface layer %s", setting->value );
-            // TODO register the unknown one
-            -- netif->driver->usage;
-            measured_strings_destroy( & netif->configuration );
-            free( netif );
             return EINVAL;
+        }
-        if( ! netif->nil->task_id ){
-            netif->nil->task_id = spawn( netif->nil->filename );
-            if( ! netif->nil->task_id ){
-                printf( "\nFailed to start the network interface layer" );
-                -- netif->driver->usage;
-                measured_strings_destroy( & netif->configuration );
-                free( netif );
-                return EINVAL;
-            }
-        }
     }else{
         netif->nil = NULL;
+    }
     // mandatory internet layer
     setting = measured_strings_find( & netif->configuration, CONF_IL, 0 );
-    if( ! setting ){
-        printf( "\nThe internet layer is missing" );
-        -- netif->driver->usage;
-        -- netif->nil->usage;
-        measured_strings_destroy( & netif->configuration );
-        free( netif );
-        return EINVAL;
-    }
-    netif->il = modules_find( & networking_globals.modules, setting->value, 0 );
+    netif->il = get_running_module( & networking_globals.modules, setting->value );
     if( ! netif->il ){
-        printf( "\nThe internet layer is unknown" );
+        printf( "\nFailed to start the internet layer %s", setting->value );
-        // TODO register the unknown one
-        -- netif->driver->usage;
-        -- netif->nil->usage;
-        measured_strings_destroy( & netif->configuration );
-        free( netif );
         return EINVAL;
+    }
-    if( ! netif->il->task_id ){
-        netif->il->task_id = spawn( netif->il->filename );
-        if( ! netif->il->task_id ){
-            printf( "\nFailed to start the internet layer" );
-            -- netif->driver->usage;
-            -- netif->nil->usage;
-            measured_strings_destroy( & netif->configuration );
-            free( netif );
-            return EINVAL;
-        }
-    }
-    index = netifs_add( & networking_globals.netifs, netif->id, netif );
-    if( index < 0 ){
-        free( netif );
-        return index;
-    }
-    if( ERROR_OCCURRED( char_map_add( & networking_globals.netif_names, netif->name, 0, index ))){
-        netifs_exclude_index( & networking_globals.netifs, index );
-        return ERROR_CODE;
-    }
     // end of the static loopback initialization
     // startup the loopback interface
-    if( ! netif->driver->phone ){
-        netif->driver->phone = connect_to_service( netif->driver->service );
-    }
     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( async_req_3_0( netif->driver->phone, NET_NETIF_PROBE, netif->id, irq, io ));
-    ++ netif->driver->usage;
     if( netif->nil ){
-        if( ! netif->nil->phone ){
-            netif->nil->phone = connect_to_service( netif->nil->service );
-        }
         setting = measured_strings_find( & netif->configuration, CONF_MTU, 0 );
         if( ! setting ){
             setting = measured_strings_find( & networking_globals.configuration, CONF_MTU, 0 );
+        }
         mtu = setting ? strtol( setting->value, NULL, 10 ) : 0;
         ERROR_PROPAGATE( async_req_3_0( netif->nil->phone, NET_NIL_DEVICE, netif->id, netif->driver->service, mtu ));
-        ++ netif->nil->usage;
         internet_service = netif->nil->service;
     }else{
         internet_service = netif->driver->service;
+    }
-    if( ! netif->il->phone ){
-        netif->il->phone = connect_to_service( netif->il->service );
-    }
     // TODO IL_BUNDLE
     ERROR_PROPAGATE( async_req_2_0( netif->il->phone, NET_IL_DEVICE, netif->id, internet_service ));
-    ++ netif->il->usage;
-    // TODO startup?
     ERROR_PROPAGATE( async_req_1_0( netif->driver->phone, NET_NETIF_START, netif->id ));
-    printf( "\nNew network interface started:\n\tname\t= %s\n\tid\t= %d\n\tdriver\t= %s\n\tnil\t= %s\n\til\t= %s", netif->name, netif->id, netif->driver->name, netif->nil ? netif->nil->name : NULL, netif->il->name );
     return EOK;
+}
-task_id_t spawn( char * fname ){
-    char * argv[ 2 ];
-//  char * argv[ 4 ];
-    task_id_t   res;
-//  printf( "Spawning %s\n", fname );
-    argv[ 0 ] = fname;
-    argv[ 1 ] = NULL;
-    res = task_spawn( fname, argv );
-/*  argv[ 0 ] = "/app/trace";
-    argv[ 1 ] = "+ti";
-    argv[ 2 ] = fname;
-    argv[ 3 ] = NULL;
-    res = task_spawn( "/app/trace", argv );
-*/
-    if( res != 0 ){
-        /* Success */
-        usleep( 50000 );
-    }
-    return res;
-}
 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;
-    // read configuration files
+    // TODO dynamic configuration
-    if( ERROR_OCCURRED( read_configuration())) return ERROR_CODE;
+    ERROR_PROPAGATE( read_configuration());
+    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( "\nThe name is missing" );
+            measured_strings_destroy( & netif->configuration );
+            free( netif );
+            return EINVAL;
+        }
+        netif->name = setting->value;
+        // add to the netifs map
+        index = netifs_add( & networking_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( & networking_globals.netif_names, netif->name, 0, index ))
-    // start network interfaces and needed modules
+        // start network interfaces and needed modules
+        || ERROR_OCCURRED( start_device( netif ))){
-//  start_device( "/sbin/lo", "/sbin/dummy_link_layer" );
+            measured_strings_destroy( & netif->configuration );
+            netifs_exclude_index( & networking_globals.netifs, index );
+            return ERROR_CODE;
+        }
+        // increment modules' usage
+        ++ netif->driver->usage;
+        if( netif->nil ) ++ netif->nil->usage;
+        ++ netif->il->usage;
+        printf( "\nNew network interface started:\n\tname\t= %s\n\tid\t= %d\n\tdriver\t= %s\n\tnil\t= %s\n\til\t= %s", netif->name, netif->id, netif->driver->name, netif->nil ? netif->nil->name : NULL, netif->il->name );
+    }
     return EOK;
+}
 /** @}
  */

Subversion Repositories HelenOS

(root)/branches/network/uspace/srv/net/networking/networking.c – Rev 4163 → 4192