WebSVN – HelenOS – Diff – /branches/network/uspace/srv/net/netif/netif.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 netif
 *  @{
 */
 
/** @file
 *  Network interface module skeleton implementation.
 *  @see netif.h
 */
 
#include <async.h>
#include <mem.h>
#include <fibril_sync.h>
#include <stdio.h>
 
#include <ipc/ipc.h>
#include <ipc/services.h>
 
#include "../err.h"
#include "../messages.h"
#include "../modules.h"
 
#include "../structures/packet/packet.h"
#include "../structures/packet/packet_client.h"
#include "../structures/measured_strings.h"
 
#include "../include/device.h"
#include "../include/netif_interface.h"
#include "../include/nil_interface.h"
 
#include "netif.h"
#include "netif_messages.h"
#include "netif_module.h"
 
/** Network interface module global data.
 */
extern netif_globals_t netif_globals;
 
DEVICE_MAP_IMPLEMENT( device_map, device_t )
 
/** @name Message processing functions
 */
/*@{*/
 
/** Registers the device notification receiver, the network interface layer module.
 *  @param[in] device_id The device identifier.
 *  @param[in] phone The network interface layer module phone.
 *  @returns EOK on success.
 *  @returns ENOENT if there is no such device.
 *  @returns ELIMIT if there is another module registered.
 */
int register_message( device_id_t device_id, int phone );
 
/*@}*/
 
int netif_probe_req( int netif_phone, device_id_t device_id, int irq, int io ){
    int result;
 
    fibril_rwlock_write_lock( & netif_globals.lock );
    result = netif_probe_message( device_id, irq, io );
    fibril_rwlock_write_unlock( & netif_globals.lock );
    return result;
}
 
int netif_send_msg( int netif_phone, device_id_t device_id, packet_t packet, services_t sender ){
    int result;
 
    fibril_rwlock_write_lock( & netif_globals.lock );
    result = netif_send_message( device_id, packet, sender );
    fibril_rwlock_write_unlock( & netif_globals.lock );
    return result;
}
 
int netif_start_req( int netif_phone, device_id_t device_id ){
    ERROR_DECLARE;
 
    device_ref  device;
    int result;
    int phone;
 
    fibril_rwlock_write_lock( & netif_globals.lock );
    if( ERROR_OCCURRED( find_device( device_id, & device ))){
        fibril_rwlock_write_unlock( & netif_globals.lock );
        return ERROR_CODE;
    }
    result = netif_start_message( device );
    if( result > NETIF_NULL ){
        phone = device->nil_phone;
        fibril_rwlock_write_unlock( & netif_globals.lock );
        nil_device_state_msg( phone, device_id, result );
        return EOK;
    }else{
        fibril_rwlock_write_unlock( & netif_globals.lock );
    }
    return result;
}
 
int netif_stop_req( int netif_phone, device_id_t device_id ){
    ERROR_DECLARE;
 
    device_ref  device;
    int result;
    int phone;
 
    fibril_rwlock_write_lock( & netif_globals.lock );
    if( ERROR_OCCURRED( find_device( device_id, & device ))){
        fibril_rwlock_write_unlock( & netif_globals.lock );
        return ERROR_CODE;
    }
    result = netif_stop_message( device );
    if( result > NETIF_NULL ){
        phone = device->nil_phone;
        fibril_rwlock_write_unlock( & netif_globals.lock );
        nil_device_state_msg( phone, device_id, result );
        return EOK;
    }else{
        fibril_rwlock_write_unlock( & netif_globals.lock );
    }
    return result;
}
 
int netif_stats_req( int netif_phone, device_id_t device_id, device_stats_ref stats ){
    int res;
 
    fibril_rwlock_read_lock( & netif_globals.lock );
    res = netif_get_device_stats( device_id, stats );
    fibril_rwlock_read_unlock( & netif_globals.lock );
    return res;
}
 
int netif_get_addr_req( int netif_phone, device_id_t device_id, measured_string_ref * address, char ** data ){
    ERROR_DECLARE;
 
    measured_string_t   translation;
 
    if( !( address && data )) return EBADMEM;
    fibril_rwlock_read_lock( & netif_globals.lock );
    if( ! ERROR_OCCURRED( netif_get_addr_message( device_id, & translation ))){
        * address = measured_string_copy( & translation );
        ERROR_CODE = ( * address ) ? EOK : ENOMEM;
    }
    fibril_rwlock_read_unlock( & netif_globals.lock );
    * data = ( ** address ).value;
    return ERROR_CODE;
}
 
int netif_bind_service( services_t service, device_id_t device_id, services_t me, async_client_conn_t receiver ){
    return EOK;
}
 
int find_device( device_id_t device_id, device_ref * device ){
    if( ! device ) return EBADMEM;
    * device = device_map_find( & netif_globals.device_map, device_id );
    if( ! * device ) return ENOENT;
    if(( ** device ).state == NETIF_NULL ) return EPERM;
    return EOK;
}
 
void null_device_stats( device_stats_ref stats ){
    bzero( stats, sizeof( device_stats_t ));
}
 
int register_message( device_id_t device_id, int phone ){
    ERROR_DECLARE;
 
    device_ref  device;
 
    ERROR_PROPAGATE( find_device( device_id, & device ));
    if( device->nil_phone > 0 ) return ELIMIT;
    device->nil_phone = phone;
    printf( "New receiver of the device %d registered:\n\tphone\t= %d\n", device->device_id, device->nil_phone );
    return EOK;
}
 
int netif_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){
    ERROR_DECLARE;
 
    size_t              length;
    device_stats_t      stats;
    packet_t            packet;
    measured_string_t   address;
 
//  printf( "message %d - %d\n", IPC_GET_METHOD( * call ), NET_NETIF_FIRST );
    * answer_count = 0;
    switch( IPC_GET_METHOD( * call )){
        case IPC_M_PHONE_HUNGUP:
            return EOK;
        case NET_NETIF_PROBE:
            return netif_probe_req( 0, IPC_GET_DEVICE( call ), NETIF_GET_IRQ( call ), NETIF_GET_IO( call ));
        case IPC_M_CONNECT_TO_ME:
            fibril_rwlock_write_lock( & netif_globals.lock );
            ERROR_CODE = register_message( IPC_GET_DEVICE( call ), IPC_GET_PHONE( call ));
            fibril_rwlock_write_unlock( & netif_globals.lock );
            return ERROR_CODE;
        case NET_NETIF_SEND:
            ERROR_PROPAGATE( packet_translate( netif_globals.net_phone, & packet, IPC_GET_PACKET( call )));
            return netif_send_msg( 0, IPC_GET_DEVICE( call ), packet, IPC_GET_SENDER( call ));
        case NET_NETIF_START:
            return netif_start_req( 0, IPC_GET_DEVICE( call ));
        case NET_NETIF_STATS:
            fibril_rwlock_read_lock( & netif_globals.lock );
            if( ! ERROR_OCCURRED( ipc_data_read_receive( & callid, & length ))){
                if( length < sizeof( device_stats_t )){
                    ERROR_CODE = EOVERFLOW;
                }else{
                    if( ! ERROR_OCCURRED( netif_get_device_stats( IPC_GET_DEVICE( call ), & stats ))){
                        ERROR_CODE = ipc_data_read_finalize( callid, & stats, sizeof( device_stats_t ));
                    }
                }
            }
            fibril_rwlock_read_unlock( & netif_globals.lock );
            return ERROR_CODE;
        case NET_NETIF_STOP:
            return netif_stop_req( 0, IPC_GET_DEVICE( call ));
        case NET_NETIF_GET_ADDR:
            fibril_rwlock_read_lock( & netif_globals.lock );
            if( ! ERROR_OCCURRED( netif_get_addr_message( IPC_GET_DEVICE( call ), & address ))){
                ERROR_CODE = measured_strings_reply( & address, 1 );
            }
            fibril_rwlock_read_unlock( & netif_globals.lock );
            return ERROR_CODE;
    }
    return netif_specific_message( callid, call, answer, answer_count );
}
 
int netif_init_module( async_client_conn_t client_connection ){
    ERROR_DECLARE;
 
    async_set_client_connection( client_connection );
    netif_globals.net_phone = connect_to_service( SERVICE_NETWORKING );
    device_map_initialize( & netif_globals.device_map );
    ERROR_PROPAGATE( pm_init());
    fibril_rwlock_initialize( & netif_globals.lock );
    if( ERROR_OCCURRED( netif_initialize())){
        pm_destroy();
        return ERROR_CODE;
    }
    return EOK;
}
 
int netif_run_module( void ){
    async_manager();
 
    pm_destroy();
    return EOK;
}
 
void netif_pq_release( packet_id_t packet_id ){
    pq_release( netif_globals.net_phone, packet_id );
}
 
packet_t netif_packet_get_1( size_t content ){
    return packet_get_1( netif_globals.net_phone, content );
}
 
/** @}
 */
 

Rev 4743	Rev 4756
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 netif	29	/** @addtogroup netif
30	* @{	30	* @{
31	*/	31	*/
32		32
33	/** @file	33	/** @file
34	* Network interface module skeleton implementation.	34	* Network interface module skeleton implementation.
35	* @see netif.h	35	* @see netif.h
36	*/	36	*/
37		37
38	#include <async.h>	38	#include <async.h>
39	#include <mem.h>	39	#include <mem.h>
40	#include <fibril_sync.h>	40	#include <fibril_sync.h>
41	#include <stdio.h>	41	#include <stdio.h>
42		42
43	#include <ipc/ipc.h>	43	#include <ipc/ipc.h>
44	#include <ipc/services.h>	44	#include <ipc/services.h>
45		45
46	#include "../err.h"	46	#include "../err.h"
47	#include "../messages.h"	47	#include "../messages.h"
48	#include "../modules.h"	48	#include "../modules.h"
49		49
50	#include "../structures/packet/packet.h"	50	#include "../structures/packet/packet.h"
51	#include "../structures/packet/packet_client.h"	51	#include "../structures/packet/packet_client.h"
52	#include "../structures/measured_strings.h"	52	#include "../structures/measured_strings.h"
53		53
54	#include "../include/device.h"	54	#include "../include/device.h"
55	#include "../include/netif_interface.h"	55	#include "../include/netif_interface.h"
56	#include "../include/nil_interface.h"	56	#include "../include/nil_interface.h"
57		57
58	#include "netif.h"	58	#include "netif.h"
59	#include "netif_messages.h"	59	#include "netif_messages.h"
60	#include "netif_module.h"	60	#include "netif_module.h"
61		61
62	/** Network interface module global data.	62	/** Network interface module global data.
63	*/	63	*/
64	extern netif_globals_t netif_globals;	64	extern netif_globals_t netif_globals;
65		65
66	DEVICE_MAP_IMPLEMENT( device_map, device_t )	66	DEVICE_MAP_IMPLEMENT( device_map, device_t )
67		67
68	/** @name Message processing functions	68	/** @name Message processing functions
69	*/	69	*/
70	/@{/	70	/@{/
71		71
72	/** Registers the device notification receiver, the network interface layer module.	72	/** Registers the device notification receiver, the network interface layer module.
73	* @param device_id The device identifier. Input parameter.	73	* @param[in] device_id The device identifier.
74	* @param phone The network interface layer module phone. Input parameter.	74	* @param[in] phone The network interface layer module phone.
75	* @returns EOK on success.	75	* @returns EOK on success.
76	* @returns ENOENT if there is no such device.	76	* @returns ENOENT if there is no such device.
77	* @returns ELIMIT if there is another module registered.	77	* @returns ELIMIT if there is another module registered.
78	*/	78	*/
79	int register_message( device_id_t device_id, int phone );	79	int register_message( device_id_t device_id, int phone );
80		80
81	/@}/	81	/@}/
82		82
83	int netif_probe_req( int netif_phone, device_id_t device_id, int irq, int io ){	83	int netif_probe_req( int netif_phone, device_id_t device_id, int irq, int io ){
84	int result;	84	int result;
85		85
86	fibril_rwlock_write_lock( & netif_globals.lock );	86	fibril_rwlock_write_lock( & netif_globals.lock );
87	result = netif_probe_message( device_id, irq, io );	87	result = netif_probe_message( device_id, irq, io );
88	fibril_rwlock_write_unlock( & netif_globals.lock );	88	fibril_rwlock_write_unlock( & netif_globals.lock );
89	return result;	89	return result;
90	}	90	}
91		91
92	int netif_send_msg( int netif_phone, device_id_t device_id, packet_t packet, services_t sender ){	92	int netif_send_msg( int netif_phone, device_id_t device_id, packet_t packet, services_t sender ){
93	int result;	93	int result;
94		94
95	fibril_rwlock_write_lock( & netif_globals.lock );	95	fibril_rwlock_write_lock( & netif_globals.lock );
96	result = netif_send_message( device_id, packet, sender );	96	result = netif_send_message( device_id, packet, sender );
97	fibril_rwlock_write_unlock( & netif_globals.lock );	97	fibril_rwlock_write_unlock( & netif_globals.lock );
98	return result;	98	return result;
99	}	99	}
100		100
101	int netif_start_req( int netif_phone, device_id_t device_id ){	101	int netif_start_req( int netif_phone, device_id_t device_id ){
102	ERROR_DECLARE;	102	ERROR_DECLARE;
103		103
104	device_ref device;	104	device_ref device;
105	int result;	105	int result;
106	int phone;	106	int phone;
107		107
108	fibril_rwlock_write_lock( & netif_globals.lock );	108	fibril_rwlock_write_lock( & netif_globals.lock );
109	if( ERROR_OCCURRED( find_device( device_id, & device ))){	109	if( ERROR_OCCURRED( find_device( device_id, & device ))){
110	fibril_rwlock_write_unlock( & netif_globals.lock );	110	fibril_rwlock_write_unlock( & netif_globals.lock );
111	return ERROR_CODE;	111	return ERROR_CODE;
112	}	112	}
113	result = netif_start_message( device );	113	result = netif_start_message( device );
114	if( result > NETIF_NULL ){	114	if( result > NETIF_NULL ){
115	phone = device->nil_phone;	115	phone = device->nil_phone;
116	fibril_rwlock_write_unlock( & netif_globals.lock );	116	fibril_rwlock_write_unlock( & netif_globals.lock );
117	nil_device_state_msg( phone, device_id, result );	117	nil_device_state_msg( phone, device_id, result );
118	return EOK;	118	return EOK;
119	}else{	119	}else{
120	fibril_rwlock_write_unlock( & netif_globals.lock );	120	fibril_rwlock_write_unlock( & netif_globals.lock );
121	}	121	}
122	return result;	122	return result;
123	}	123	}
124		124
125	int netif_stop_req( int netif_phone, device_id_t device_id ){	125	int netif_stop_req( int netif_phone, device_id_t device_id ){
126	ERROR_DECLARE;	126	ERROR_DECLARE;
127		127
128	device_ref device;	128	device_ref device;
129	int result;	129	int result;
130	int phone;	130	int phone;
131		131
132	fibril_rwlock_write_lock( & netif_globals.lock );	132	fibril_rwlock_write_lock( & netif_globals.lock );
133	if( ERROR_OCCURRED( find_device( device_id, & device ))){	133	if( ERROR_OCCURRED( find_device( device_id, & device ))){
134	fibril_rwlock_write_unlock( & netif_globals.lock );	134	fibril_rwlock_write_unlock( & netif_globals.lock );
135	return ERROR_CODE;	135	return ERROR_CODE;
136	}	136	}
137	result = netif_stop_message( device );	137	result = netif_stop_message( device );
138	if( result > NETIF_NULL ){	138	if( result > NETIF_NULL ){
139	phone = device->nil_phone;	139	phone = device->nil_phone;
140	fibril_rwlock_write_unlock( & netif_globals.lock );	140	fibril_rwlock_write_unlock( & netif_globals.lock );
141	nil_device_state_msg( phone, device_id, result );	141	nil_device_state_msg( phone, device_id, result );
142	return EOK;	142	return EOK;
143	}else{	143	}else{
144	fibril_rwlock_write_unlock( & netif_globals.lock );	144	fibril_rwlock_write_unlock( & netif_globals.lock );
145	}	145	}
146	return result;	146	return result;
147	}	147	}
148		148
149	int netif_stats_req( int netif_phone, device_id_t device_id, device_stats_ref stats ){	149	int netif_stats_req( int netif_phone, device_id_t device_id, device_stats_ref stats ){
150	int res;	150	int res;
151		151
152	fibril_rwlock_read_lock( & netif_globals.lock );	152	fibril_rwlock_read_lock( & netif_globals.lock );
153	res = netif_get_device_stats( device_id, stats );	153	res = netif_get_device_stats( device_id, stats );
154	fibril_rwlock_read_unlock( & netif_globals.lock );	154	fibril_rwlock_read_unlock( & netif_globals.lock );
155	return res;	155	return res;
156	}	156	}
157		157
158	int netif_get_addr_req( int netif_phone, device_id_t device_id, measured_string_ref * address, char ** data ){	158	int netif_get_addr_req( int netif_phone, device_id_t device_id, measured_string_ref * address, char ** data ){
159	ERROR_DECLARE;	159	ERROR_DECLARE;
160		160
161	measured_string_t translation;	161	measured_string_t translation;
162		162
163	if( !( address && data )) return EBADMEM;	163	if( !( address && data )) return EBADMEM;
164	fibril_rwlock_read_lock( & netif_globals.lock );	164	fibril_rwlock_read_lock( & netif_globals.lock );
165	if( ! ERROR_OCCURRED( netif_get_addr_message( device_id, & translation ))){	165	if( ! ERROR_OCCURRED( netif_get_addr_message( device_id, & translation ))){
166	* address = measured_string_copy( & translation );	166	* address = measured_string_copy( & translation );
167	ERROR_CODE = ( * address ) ? EOK : ENOMEM;	167	ERROR_CODE = ( * address ) ? EOK : ENOMEM;
168	}	168	}
169	fibril_rwlock_read_unlock( & netif_globals.lock );	169	fibril_rwlock_read_unlock( & netif_globals.lock );
170	* data = ( ** address ).value;	170	* data = ( ** address ).value;
171	return ERROR_CODE;	171	return ERROR_CODE;
172	}	172	}
173		173
174	int netif_bind_service( services_t service, device_id_t device_id, services_t me, async_client_conn_t receiver ){	174	int netif_bind_service( services_t service, device_id_t device_id, services_t me, async_client_conn_t receiver ){
175	return EOK;	175	return EOK;
176	}	176	}
177		177
178	int find_device( device_id_t device_id, device_ref * device ){	178	int find_device( device_id_t device_id, device_ref * device ){
179	if( ! device ) return EBADMEM;	179	if( ! device ) return EBADMEM;
180	* device = device_map_find( & netif_globals.device_map, device_id );	180	* device = device_map_find( & netif_globals.device_map, device_id );
181	if( ! * device ) return ENOENT;	181	if( ! * device ) return ENOENT;
182	if(( ** device ).state == NETIF_NULL ) return EPERM;	182	if(( ** device ).state == NETIF_NULL ) return EPERM;
183	return EOK;	183	return EOK;
184	}	184	}
185		185
186	void null_device_stats( device_stats_ref stats ){	186	void null_device_stats( device_stats_ref stats ){
187	bzero( stats, sizeof( device_stats_t ));	187	bzero( stats, sizeof( device_stats_t ));
188	}	188	}
189		189
190	int register_message( device_id_t device_id, int phone ){	190	int register_message( device_id_t device_id, int phone ){
191	ERROR_DECLARE;	191	ERROR_DECLARE;
192		192
193	device_ref device;	193	device_ref device;
194		194
195	ERROR_PROPAGATE( find_device( device_id, & device ));	195	ERROR_PROPAGATE( find_device( device_id, & device ));
196	if( device->nil_phone > 0 ) return ELIMIT;	196	if( device->nil_phone > 0 ) return ELIMIT;
197	device->nil_phone = phone;	197	device->nil_phone = phone;
198	printf( "New receiver of the device %d registered:\n\tphone\t= %d\n", device->device_id, device->nil_phone );	198	printf( "New receiver of the device %d registered:\n\tphone\t= %d\n", device->device_id, device->nil_phone );
199	return EOK;	199	return EOK;
200	}	200	}
201		201
202	int netif_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){	202	int netif_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){
203	ERROR_DECLARE;	203	ERROR_DECLARE;
204		204
205	size_t length;	205	size_t length;
206	device_stats_t stats;	206	device_stats_t stats;
207	packet_t packet;	207	packet_t packet;
208	measured_string_t address;	208	measured_string_t address;
209		209
210	// printf( "message %d - %d\n", IPC_GET_METHOD( * call ), NET_NETIF_FIRST );	210	// printf( "message %d - %d\n", IPC_GET_METHOD( * call ), NET_NETIF_FIRST );
211	* answer_count = 0;	211	* answer_count = 0;
212	switch( IPC_GET_METHOD( * call )){	212	switch( IPC_GET_METHOD( * call )){
213	case IPC_M_PHONE_HUNGUP:	213	case IPC_M_PHONE_HUNGUP:
214	return EOK;	214	return EOK;
215	case NET_NETIF_PROBE:	215	case NET_NETIF_PROBE:
216	return netif_probe_req( 0, IPC_GET_DEVICE( call ), NETIF_GET_IRQ( call ), NETIF_GET_IO( call ));	216	return netif_probe_req( 0, IPC_GET_DEVICE( call ), NETIF_GET_IRQ( call ), NETIF_GET_IO( call ));
217	case IPC_M_CONNECT_TO_ME:	217	case IPC_M_CONNECT_TO_ME:
218	fibril_rwlock_write_lock( & netif_globals.lock );	218	fibril_rwlock_write_lock( & netif_globals.lock );
219	ERROR_CODE = register_message( IPC_GET_DEVICE( call ), IPC_GET_PHONE( call ));	219	ERROR_CODE = register_message( IPC_GET_DEVICE( call ), IPC_GET_PHONE( call ));
220	fibril_rwlock_write_unlock( & netif_globals.lock );	220	fibril_rwlock_write_unlock( & netif_globals.lock );
221	return ERROR_CODE;	221	return ERROR_CODE;
222	case NET_NETIF_SEND:	222	case NET_NETIF_SEND:
223	ERROR_PROPAGATE( packet_translate( netif_globals.net_phone, & packet, IPC_GET_PACKET( call )));	223	ERROR_PROPAGATE( packet_translate( netif_globals.net_phone, & packet, IPC_GET_PACKET( call )));
224	return netif_send_msg( 0, IPC_GET_DEVICE( call ), packet, IPC_GET_SENDER( call ));	224	return netif_send_msg( 0, IPC_GET_DEVICE( call ), packet, IPC_GET_SENDER( call ));
225	case NET_NETIF_START:	225	case NET_NETIF_START:
226	return netif_start_req( 0, IPC_GET_DEVICE( call ));	226	return netif_start_req( 0, IPC_GET_DEVICE( call ));
227	case NET_NETIF_STATS:	227	case NET_NETIF_STATS:
228	fibril_rwlock_read_lock( & netif_globals.lock );	228	fibril_rwlock_read_lock( & netif_globals.lock );
229	if( ! ERROR_OCCURRED( ipc_data_read_receive( & callid, & length ))){	229	if( ! ERROR_OCCURRED( ipc_data_read_receive( & callid, & length ))){
230	if( length < sizeof( device_stats_t )){	230	if( length < sizeof( device_stats_t )){
231	ERROR_CODE = EOVERFLOW;	231	ERROR_CODE = EOVERFLOW;
232	}else{	232	}else{
233	if( ! ERROR_OCCURRED( netif_get_device_stats( IPC_GET_DEVICE( call ), & stats ))){	233	if( ! ERROR_OCCURRED( netif_get_device_stats( IPC_GET_DEVICE( call ), & stats ))){
234	ERROR_CODE = ipc_data_read_finalize( callid, & stats, sizeof( device_stats_t ));	234	ERROR_CODE = ipc_data_read_finalize( callid, & stats, sizeof( device_stats_t ));
235	}	235	}
236	}	236	}
237	}	237	}
238	fibril_rwlock_read_unlock( & netif_globals.lock );	238	fibril_rwlock_read_unlock( & netif_globals.lock );
239	return ERROR_CODE;	239	return ERROR_CODE;
240	case NET_NETIF_STOP:	240	case NET_NETIF_STOP:
241	return netif_stop_req( 0, IPC_GET_DEVICE( call ));	241	return netif_stop_req( 0, IPC_GET_DEVICE( call ));
242	case NET_NETIF_GET_ADDR:	242	case NET_NETIF_GET_ADDR:
243	fibril_rwlock_read_lock( & netif_globals.lock );	243	fibril_rwlock_read_lock( & netif_globals.lock );
244	if( ! ERROR_OCCURRED( netif_get_addr_message( IPC_GET_DEVICE( call ), & address ))){	244	if( ! ERROR_OCCURRED( netif_get_addr_message( IPC_GET_DEVICE( call ), & address ))){
245	ERROR_CODE = measured_strings_reply( & address, 1 );	245	ERROR_CODE = measured_strings_reply( & address, 1 );
246	}	246	}
247	fibril_rwlock_read_unlock( & netif_globals.lock );	247	fibril_rwlock_read_unlock( & netif_globals.lock );
248	return ERROR_CODE;	248	return ERROR_CODE;
249	}	249	}
250	return netif_specific_message( callid, call, answer, answer_count );	250	return netif_specific_message( callid, call, answer, answer_count );
251	}	251	}
252		252
253	int netif_init_module( async_client_conn_t client_connection ){	253	int netif_init_module( async_client_conn_t client_connection ){
254	ERROR_DECLARE;	254	ERROR_DECLARE;
255		255
256	async_set_client_connection( client_connection );	256	async_set_client_connection( client_connection );
257	netif_globals.net_phone = connect_to_service( SERVICE_NETWORKING );	257	netif_globals.net_phone = connect_to_service( SERVICE_NETWORKING );
258	device_map_initialize( & netif_globals.device_map );	258	device_map_initialize( & netif_globals.device_map );
259	ERROR_PROPAGATE( pm_init());	259	ERROR_PROPAGATE( pm_init());
260	fibril_rwlock_initialize( & netif_globals.lock );	260	fibril_rwlock_initialize( & netif_globals.lock );
261	if( ERROR_OCCURRED( netif_initialize())){	261	if( ERROR_OCCURRED( netif_initialize())){
262	pm_destroy();	262	pm_destroy();
263	return ERROR_CODE;	263	return ERROR_CODE;
264	}	264	}
265	return EOK;	265	return EOK;
266	}	266	}
267		267
268	int netif_run_module( void ){	268	int netif_run_module( void ){
269	async_manager();	269	async_manager();
270		270
271	pm_destroy();	271	pm_destroy();
272	return EOK;	272	return EOK;
273	}	273	}
274		274
275	void netif_pq_release( packet_id_t packet_id ){	275	void netif_pq_release( packet_id_t packet_id ){
276	pq_release( netif_globals.net_phone, packet_id );	276	pq_release( netif_globals.net_phone, packet_id );
277	}	277	}
278		278
279	packet_t netif_packet_get_1( size_t content ){	279	packet_t netif_packet_get_1( size_t content ){
280	return packet_get_1( netif_globals.net_phone, content );	280	return packet_get_1( netif_globals.net_phone, content );
281	}	281	}
282		282
283	/** @}	283	/** @}
284	*/	284	*/
285		285

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(root)/branches/network/uspace/srv/net/netif/netif.c – Rev 4743 → 4756