WebSVN – HelenOS – Diff – /branches/network/uspace/srv/net/netif/lo/lo.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 lo
 *  @{
 */
 
/** @file
 *  Loopback network interface implementation.
 */
 
#include <async.h>
#include <errno.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/measured_strings.h"
#include "../../structures/packet/packet_client.h"
 
#include "../../include/device.h"
#include "../../include/nil_interface.h"
#include "../../include/net_interface.h"
 
#include "../../nil/nil_messages.h"
 
#include "../netif.h"
#include "../netif_module.h"
 
/** Default maximum transmission unit.
 */
#define DEFAULT_MTU 1500
 
/** Default hardware address.
 */
#define DEFAULT_ADDR        "\0\0\0\0\0\0"
 
/** Default address length.
 */
#define DEFAULT_ADDR_LEN    ( sizeof( DEFAULT_ADDR ) / sizeof( char ))
 
/** Loopback module name.
 */
#define NAME    "lo - loopback interface"
 
/** Network interface global data.
 */
netif_globals_t netif_globals;
 
/** Loopback module global data.
 */
static struct lo_globals{
    unsigned int mtu;
} lo_globals;
 
/** Changes the loopback state.
 *  @param device The device structure. Input parameter.
 *  @param state The new device state. Input parameter.
 *  @returns The new state if changed.
 *  @returns EOK otherwise.
 */
int change_state_message( device_ref device, device_state_t state );
 
/** Creates and returns the loopback network interface structure.
 *  @param device_id The new devce identifier. Input parameter.
 *  @param device The device structure. Output parameter.
 *  @returns EOK on success.
 *  @returns EXDEV if one loopback network interface already exists.
 *  @returns ENOMEM if there is not enough memory left.
 */
int create( device_id_t device_id, device_ref * device );
 
/** Prints the module name.
 *  @see NAME
 */
void    module_print_name( void );
 
int netif_specific_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){
    switch( IPC_GET_METHOD( * call )){
        case NET_NIL_PACKET_SPACE:
            * IPC_SET_ADDR( answer ) = 0;
            * IPC_SET_PREFIX( answer ) = 0;
            * IPC_SET_CONTENT( answer ) = lo_globals.mtu;
            * IPC_SET_SUFFIX( answer ) = 0;
            * answer_count = 4;
            return EOK;
        default:
            return ENOTSUP;
    }
}
 
int netif_get_addr_message( device_id_t device_id, measured_string_ref address ){
    if( ! address ) return EBADMEM;
    address->value = DEFAULT_ADDR;
    address->length = DEFAULT_ADDR_LEN;
    return EOK;
}
 
int netif_get_device_stats( device_id_t device_id, device_stats_ref stats ){
    ERROR_DECLARE;
 
    device_ref  device;
 
    if( ! stats ) return EBADMEM;
    ERROR_PROPAGATE( find_device( device_id, & device ));
    memcpy( stats, ( device_stats_ref ) device->specific, sizeof( device_stats_t ));
    return EOK;
}
 
int change_state_message( device_ref device, device_state_t state ){
    if( device->state != state ){
        device->state = state;
        printf( "State changed to %s\n", ( state == NETIF_ACTIVE ) ? "ACTIVE" : "STOPPED" );
        return state;
    }
    return EOK;
}
 
int create( device_id_t device_id, device_ref * device ){
    int index;
 
    if( device_map_count( & netif_globals.device_map ) > 0 ){
        return EXDEV;
    }else{
        * device = ( device_ref ) malloc( sizeof( device_t ));
        if( !( * device )) return ENOMEM;
        ( ** device ).specific = malloc( sizeof( device_stats_t ));
        if( ! ( ** device ).specific ){
            free( * device );
            return ENOMEM;
        }
        null_device_stats(( device_stats_ref )( ** device ).specific );
        ( ** device ).device_id = device_id;
        ( ** device ).nil_phone = -1;
        ( ** device ).state = NETIF_STOPPED;
        index = device_map_add( & netif_globals.device_map, ( ** device ).device_id, * device );
        if( index < 0 ){
            free( * device );
            free(( ** device ).specific );
            * device = NULL;
            return index;
        }
    }
    return EOK;
}
 
int netif_initialize( void ){
    ipcarg_t    phonehash;
 
    return REGISTER_ME( SERVICE_LO, & phonehash );
}
 
void module_print_name( void ){
    printf( "%s", NAME );
}
 
int netif_probe_auto_message( void ){
/*  ERROR_DECLARE;
 
    device_ref  device;
 
    ERROR_PROPAGATE( create( arg1, & device ));
    ipc_call_sync_3_3( netif_globals.net_phone, NET_NET_DEVICE, device->device_id, NULL, NULL, NULL, NULL, NULL );
*/  return ENOTSUP;
}
 
int netif_probe_message( device_id_t device_id, int irq, int io ){
    ERROR_DECLARE;
 
    device_ref          device;
    measured_string_t   names[ 1 ] = {{ "MTU", 3 }};
    measured_string_ref configuration;
    size_t              count = sizeof( names ) / sizeof( measured_string_t );
    char *              data;
 
    configuration = & names[ 0 ];
    // create a new device
    ERROR_PROPAGATE( create( device_id, & device ));
    // get configuration
    ERROR_PROPAGATE( net_get_device_conf_req( netif_globals.net_phone, device->device_id, & configuration, count, & data ));
    // MTU is the first one
    if( configuration && configuration[ 0 ].value ){
        lo_globals.mtu = strtoul( configuration[ 0 ].value, NULL, 0 );
        net_free_settings( configuration, data );
    }else{
        lo_globals.mtu = DEFAULT_MTU;
    }
    // print the settings
    printf("New device registered:\n\tid\t= %d\n\tMTU\t= %d\n", device->device_id, lo_globals.mtu );
    return EOK;
}
 
int netif_send_message( device_id_t device_id, packet_t packet, services_t sender ){
    ERROR_DECLARE;
 
    device_ref  device;
    size_t      length;
    packet_t    next;
    int         phone;
 
    ERROR_PROPAGATE( find_device( device_id, & device ));
    if( device->state != NETIF_ACTIVE ) return EPERM;
    next = packet;
    do{
        ++ (( device_stats_ref ) device->specific )->tx_packets;
        ++ (( device_stats_ref ) device->specific )->rx_packets;
        length = packet_get_data_length( next );
        (( device_stats_ref ) device->specific )->tx_bytes += length;
        (( device_stats_ref ) device->specific )->rx_bytes += length;
        next = pq_next( next );
    }while( next );
    phone = device->nil_phone;
    fibril_rwlock_write_unlock( & netif_globals.lock );
    nil_received_msg( phone, device_id, packet, sender );
    fibril_rwlock_write_lock( & netif_globals.lock );
    return EOK;
}
 
int netif_start_message( device_ref device ){
    return change_state_message( device, NETIF_ACTIVE );
}
 
int netif_stop_message( device_ref device ){
    return change_state_message( device, NETIF_STOPPED );
}
 
/** @}
 */
 

Rev 4498	Rev 4582
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 lo	29	/** @addtogroup lo
30	* @{	30	* @{
31	*/	31	*/
32		32
33	/** @file	33	/** @file
34	* Loopback network interface implementation.	34	* Loopback network interface implementation.
35	*/	35	*/
36		36
37	#include <async.h>	37	#include <async.h>
38	#include <errno.h>	38	#include <errno.h>
39	#include <stdio.h>	39	#include <stdio.h>
-		40	#include <string.h>
40		41
41	#include <ipc/ipc.h>	42	#include <ipc/ipc.h>
42	#include <ipc/services.h>	43	#include <ipc/services.h>
43		44
44	#include "../../err.h"	45	#include "../../err.h"
45	#include "../../messages.h"	46	#include "../../messages.h"
46	#include "../../modules.h"	47	#include "../../modules.h"
47		48
48	#include "../../structures/measured_strings.h"	49	#include "../../structures/measured_strings.h"
49	#include "../../structures/packet/packet_client.h"	50	#include "../../structures/packet/packet_client.h"
50		51
51	#include "../../include/device.h"	52	#include "../../include/device.h"
52	#include "../../include/nil_interface.h"	53	#include "../../include/nil_interface.h"
53	#include "../../include/net_interface.h"	54	#include "../../include/net_interface.h"
54		55
55	#include "../../nil/nil_messages.h"	56	#include "../../nil/nil_messages.h"
56		57
57	#include "../netif.h"	58	#include "../netif.h"
58	#include "../netif_module.h"	59	#include "../netif_module.h"
59		60
60	/** Default maximum transmission unit.	61	/** Default maximum transmission unit.
61	*/	62	*/
62	#define DEFAULT_MTU 1500	63	#define DEFAULT_MTU 1500
63		64
64	/** Default hardware address.	65	/** Default hardware address.
65	*/	66	*/
66	#define DEFAULT_ADDR "\0\0\0\0\0\0"	67	#define DEFAULT_ADDR "\0\0\0\0\0\0"
67		68
68	/** Default address length.	69	/** Default address length.
69	*/	70	*/
70	#define DEFAULT_ADDR_LEN ( sizeof( DEFAULT_ADDR ) / sizeof( char ))	71	#define DEFAULT_ADDR_LEN ( sizeof( DEFAULT_ADDR ) / sizeof( char ))
71		72
72	/** Loopback module name.	73	/** Loopback module name.
73	*/	74	*/
74	#define NAME "lo - loopback interface"	75	#define NAME "lo - loopback interface"
75		76
76	/** Network interface global data.	77	/** Network interface global data.
77	*/	78	*/
78	netif_globals_t netif_globals;	79	netif_globals_t netif_globals;
79		80
80	/** Loopback module global data.	81	/** Loopback module global data.
81	*/	82	*/
82	static struct lo_globals{	83	static struct lo_globals{
83	unsigned int mtu;	84	unsigned int mtu;
84	} lo_globals;	85	} lo_globals;
85		86
86	/** Changes the loopback state.	87	/** Changes the loopback state.
87	* @param device The device structure. Input parameter.	88	* @param device The device structure. Input parameter.
88	* @param state The new device state. Input parameter.	89	* @param state The new device state. Input parameter.
89	* @returns The new state if changed.	90	* @returns The new state if changed.
90	* @returns EOK otherwise.	91	* @returns EOK otherwise.
91	*/	92	*/
92	int change_state_message( device_ref device, device_state_t state );	93	int change_state_message( device_ref device, device_state_t state );
93		94
94	/** Creates and returns the loopback network interface structure.	95	/** Creates and returns the loopback network interface structure.
95	* @param device_id The new devce identifier. Input parameter.	96	* @param device_id The new devce identifier. Input parameter.
96	* @param device The device structure. Output parameter.	97	* @param device The device structure. Output parameter.
97	* @returns EOK on success.	98	* @returns EOK on success.
98	* @returns EXDEV if one loopback network interface already exists.	99	* @returns EXDEV if one loopback network interface already exists.
99	* @returns ENOMEM if there is not enough memory left.	100	* @returns ENOMEM if there is not enough memory left.
100	*/	101	*/
101	int create( device_id_t device_id, device_ref * device );	102	int create( device_id_t device_id, device_ref * device );
102		103
103	/** Prints the module name.	104	/** Prints the module name.
104	* @see NAME	105	* @see NAME
105	*/	106	*/
106	void module_print_name( void );	107	void module_print_name( void );
107		108
108	int netif_specific_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){	109	int netif_specific_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){
109	switch( IPC_GET_METHOD( * call )){	110	switch( IPC_GET_METHOD( * call )){
110	case NET_NIL_PACKET_SPACE:	111	case NET_NIL_PACKET_SPACE:
111	* IPC_SET_ADDR( answer ) = 0;	112	* IPC_SET_ADDR( answer ) = 0;
112	* IPC_SET_PREFIX( answer ) = 0;	113	* IPC_SET_PREFIX( answer ) = 0;
113	* IPC_SET_CONTENT( answer ) = lo_globals.mtu;	114	* IPC_SET_CONTENT( answer ) = lo_globals.mtu;
114	* IPC_SET_SUFFIX( answer ) = 0;	115	* IPC_SET_SUFFIX( answer ) = 0;
115	* answer_count = 4;	116	* answer_count = 4;
116	return EOK;	117	return EOK;
117	default:	118	default:
118	return ENOTSUP;	119	return ENOTSUP;
119	}	120	}
120	}	121	}
121		122
122	int netif_get_addr_message( device_id_t device_id, measured_string_ref address ){	123	int netif_get_addr_message( device_id_t device_id, measured_string_ref address ){
123	if( ! address ) return EBADMEM;	124	if( ! address ) return EBADMEM;
124	address->value = DEFAULT_ADDR;	125	address->value = DEFAULT_ADDR;
125	address->length = DEFAULT_ADDR_LEN;	126	address->length = DEFAULT_ADDR_LEN;
126	return EOK;	127	return EOK;
127	}	128	}
128		129
129	int netif_get_device_stats( device_id_t device_id, device_stats_ref stats ){	130	int netif_get_device_stats( device_id_t device_id, device_stats_ref stats ){
130	ERROR_DECLARE;	131	ERROR_DECLARE;
131		132
132	device_ref device;	133	device_ref device;
133		134
134	if( ! stats ) return EBADMEM;	135	if( ! stats ) return EBADMEM;
135	ERROR_PROPAGATE( find_device( device_id, & device ));	136	ERROR_PROPAGATE( find_device( device_id, & device ));
136	memcpy( stats, ( device_stats_ref ) device->specific, sizeof( device_stats_t ));	137	memcpy( stats, ( device_stats_ref ) device->specific, sizeof( device_stats_t ));
137	return EOK;	138	return EOK;
138	}	139	}
139		140
140	int change_state_message( device_ref device, device_state_t state ){	141	int change_state_message( device_ref device, device_state_t state ){
141	if( device->state != state ){	142	if( device->state != state ){
142	device->state = state;	143	device->state = state;
143	printf( "State changed to %s\n", ( state == NETIF_ACTIVE ) ? "ACTIVE" : "STOPPED" );	144	printf( "State changed to %s\n", ( state == NETIF_ACTIVE ) ? "ACTIVE" : "STOPPED" );
144	return state;	145	return state;
145	}	146	}
146	return EOK;	147	return EOK;
147	}	148	}
148		149
149	int create( device_id_t device_id, device_ref * device ){	150	int create( device_id_t device_id, device_ref * device ){
150	int index;	151	int index;
151		152
152	if( device_map_count( & netif_globals.device_map ) > 0 ){	153	if( device_map_count( & netif_globals.device_map ) > 0 ){
153	return EXDEV;	154	return EXDEV;
154	}else{	155	}else{
155	* device = ( device_ref ) malloc( sizeof( device_t ));	156	* device = ( device_ref ) malloc( sizeof( device_t ));
156	if( !( * device )) return ENOMEM;	157	if( !( * device )) return ENOMEM;
157	( ** device ).specific = malloc( sizeof( device_stats_t ));	158	( ** device ).specific = malloc( sizeof( device_stats_t ));
158	if( ! ( ** device ).specific ){	159	if( ! ( ** device ).specific ){
159	free( * device );	160	free( * device );
160	return ENOMEM;	161	return ENOMEM;
161	}	162	}
162	null_device_stats(( device_stats_ref )( ** device ).specific );	163	null_device_stats(( device_stats_ref )( ** device ).specific );
163	( ** device ).device_id = device_id;	164	( ** device ).device_id = device_id;
164	( ** device ).nil_phone = -1;	165	( ** device ).nil_phone = -1;
165	( ** device ).state = NETIF_STOPPED;	166	( ** device ).state = NETIF_STOPPED;
166	index = device_map_add( & netif_globals.device_map, ( ** device ).device_id, * device );	167	index = device_map_add( & netif_globals.device_map, ( ** device ).device_id, * device );
167	if( index < 0 ){	168	if( index < 0 ){
168	free( * device );	169	free( * device );
169	free(( ** device ).specific );	170	free(( ** device ).specific );
170	* device = NULL;	171	* device = NULL;
171	return index;	172	return index;
172	}	173	}
173	}	174	}
174	return EOK;	175	return EOK;
175	}	176	}
176		177
177	int netif_initialize( void ){	178	int netif_initialize( void ){
178	ipcarg_t phonehash;	179	ipcarg_t phonehash;
179		180
180	return REGISTER_ME( SERVICE_LO, & phonehash );	181	return REGISTER_ME( SERVICE_LO, & phonehash );
181	}	182	}
182		183
183	void module_print_name( void ){	184	void module_print_name( void ){
184	printf( "%s", NAME );	185	printf( "%s", NAME );
185	}	186	}
186		187
187	int netif_probe_auto_message( void ){	188	int netif_probe_auto_message( void ){
188	/* ERROR_DECLARE;	189	/* ERROR_DECLARE;
189		190
190	device_ref device;	191	device_ref device;
191		192
192	ERROR_PROPAGATE( create( arg1, & device ));	193	ERROR_PROPAGATE( create( arg1, & device ));
193	ipc_call_sync_3_3( netif_globals.net_phone, NET_NET_DEVICE, device->device_id, NULL, NULL, NULL, NULL, NULL );	194	ipc_call_sync_3_3( netif_globals.net_phone, NET_NET_DEVICE, device->device_id, NULL, NULL, NULL, NULL, NULL );
194	*/ return ENOTSUP;	195	*/ return ENOTSUP;
195	}	196	}
196		197
197	int netif_probe_message( device_id_t device_id, int irq, int io ){	198	int netif_probe_message( device_id_t device_id, int irq, int io ){
198	ERROR_DECLARE;	199	ERROR_DECLARE;
199		200
200	device_ref device;	201	device_ref device;
201	measured_string_t names[ 1 ] = {{ "MTU", 3 }};	202	measured_string_t names[ 1 ] = {{ "MTU", 3 }};
202	measured_string_ref configuration;	203	measured_string_ref configuration;
203	size_t count = sizeof( names ) / sizeof( measured_string_t );	204	size_t count = sizeof( names ) / sizeof( measured_string_t );
204	char * data;	205	char * data;
205		206
206	configuration = & names[ 0 ];	207	configuration = & names[ 0 ];
207	// create a new device	208	// create a new device
208	ERROR_PROPAGATE( create( device_id, & device ));	209	ERROR_PROPAGATE( create( device_id, & device ));
209	// get configuration	210	// get configuration
210	ERROR_PROPAGATE( net_get_device_conf_req( netif_globals.net_phone, device->device_id, & configuration, count, & data ));	211	ERROR_PROPAGATE( net_get_device_conf_req( netif_globals.net_phone, device->device_id, & configuration, count, & data ));
211	// MTU is the first one	212	// MTU is the first one
212	if( configuration && configuration[ 0 ].value ){	213	if( configuration && configuration[ 0 ].value ){
213	lo_globals.mtu = strtoul( configuration[ 0 ].value, NULL, 0 );	214	lo_globals.mtu = strtoul( configuration[ 0 ].value, NULL, 0 );
214	net_free_settings( configuration, data );	215	net_free_settings( configuration, data );
215	}else{	216	}else{
216	lo_globals.mtu = DEFAULT_MTU;	217	lo_globals.mtu = DEFAULT_MTU;
217	}	218	}
218	// print the settings	219	// print the settings
219	printf("New device registered:\n\tid\t= %d\n\tMTU\t= %d\n", device->device_id, lo_globals.mtu );	220	printf("New device registered:\n\tid\t= %d\n\tMTU\t= %d\n", device->device_id, lo_globals.mtu );
220	return EOK;	221	return EOK;
221	}	222	}
222		223
223	int netif_send_message( device_id_t device_id, packet_t packet, services_t sender ){	224	int netif_send_message( device_id_t device_id, packet_t packet, services_t sender ){
224	ERROR_DECLARE;	225	ERROR_DECLARE;
225		226
226	device_ref device;	227	device_ref device;
227	size_t length;	228	size_t length;
228	packet_t next;	229	packet_t next;
229	int phone;	230	int phone;
230		231
231	ERROR_PROPAGATE( find_device( device_id, & device ));	232	ERROR_PROPAGATE( find_device( device_id, & device ));
232	if( device->state != NETIF_ACTIVE ) return EPERM;	233	if( device->state != NETIF_ACTIVE ) return EPERM;
233	next = packet;	234	next = packet;
234	do{	235	do{
235	++ (( device_stats_ref ) device->specific )->tx_packets;	236	++ (( device_stats_ref ) device->specific )->tx_packets;
236	++ (( device_stats_ref ) device->specific )->rx_packets;	237	++ (( device_stats_ref ) device->specific )->rx_packets;
237	length = packet_get_data_length( next );	238	length = packet_get_data_length( next );
238	(( device_stats_ref ) device->specific )->tx_bytes += length;	239	(( device_stats_ref ) device->specific )->tx_bytes += length;
239	(( device_stats_ref ) device->specific )->rx_bytes += length;	240	(( device_stats_ref ) device->specific )->rx_bytes += length;
240	next = pq_next( next );	241	next = pq_next( next );
241	}while( next );	242	}while( next );
242	phone = device->nil_phone;	243	phone = device->nil_phone;
243	rwlock_write_unlock( & netif_globals.lock );	244	fibril_rwlock_write_unlock( & netif_globals.lock );
244	nil_received_msg( phone, device_id, packet, sender );	245	nil_received_msg( phone, device_id, packet, sender );
245	rwlock_write_lock( & netif_globals.lock );	246	fibril_rwlock_write_lock( & netif_globals.lock );
246	return EOK;	247	return EOK;
247	}	248	}
248		249
249	int netif_start_message( device_ref device ){	250	int netif_start_message( device_ref device ){
250	return change_state_message( device, NETIF_ACTIVE );	251	return change_state_message( device, NETIF_ACTIVE );
251	}	252	}
252		253
253	int netif_stop_message( device_ref device ){	254	int netif_stop_message( device_ref device ){
254	return change_state_message( device, NETIF_STOPPED );	255	return change_state_message( device, NETIF_STOPPED );
255	}	256	}
256		257
257	/** @}	258	/** @}
258	*/	259	*/
259		260

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(root)/branches/network/uspace/srv/net/netif/lo/lo.c @ 4704 – Rev 4498 → 4582