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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 | */ |
34 | */ |
35 | 35 | ||
36 | #include <async.h> |
36 | #include <async.h> |
37 | #include <errno.h> |
37 | #include <errno.h> |
38 | #include <stdio.h> |
38 | #include <stdio.h> |
39 | 39 | ||
40 | #include <ipc/ipc.h> |
40 | #include <ipc/ipc.h> |
41 | #include <ipc/services.h> |
41 | #include <ipc/services.h> |
42 | 42 | ||
43 | #include "../../err.h" |
43 | #include "../../err.h" |
44 | #include "../../messages.h" |
44 | #include "../../messages.h" |
45 | #include "../../modules.h" |
45 | #include "../../modules.h" |
46 | 46 | ||
47 | #include "../../structures/measured_strings.h" |
47 | #include "../../structures/measured_strings.h" |
48 | #include "../../structures/packet/packet_client.h" |
48 | #include "../../structures/packet/packet_client.h" |
49 | 49 | ||
50 | #include "../netif.h" |
50 | #include "../netif.h" |
51 | 51 | ||
52 | #define DEFAULT_MTU 1500 |
52 | #define DEFAULT_MTU 1500 |
53 | 53 | ||
54 | #define NAME "lo - loopback interface" |
54 | #define NAME "lo - loopback interface" |
55 | 55 | ||
56 | netif_globals_t netif_globals; |
56 | netif_globals_t netif_globals; |
57 | 57 | ||
58 | int change_state_message( device_id_t device_id, device_state_t state ); |
58 | int change_state_message( device_id_t device_id, device_state_t state ); |
59 | int create( device_id_t device_id, device_ref * device ); |
59 | int create( device_id_t device_id, device_ref * device ); |
60 | int initialize( void ); |
60 | int initialize( void ); |
61 | void netif_print_name( void ); |
61 | void netif_print_name( void ); |
62 | int probe_auto_message( void ); |
62 | int probe_auto_message( void ); |
63 | int probe_message( device_id_t device_id, int irq, int io ); |
63 | int probe_message( device_id_t device_id, int irq, int io ); |
64 | int send_message( device_id_t device_id, packet_t packet ); |
64 | int send_message( device_id_t device_id, packet_t packet ); |
65 | int start_message( device_id_t device_id ); |
65 | int start_message( device_id_t device_id ); |
66 | int stop_message( device_id_t device_id ); |
66 | int stop_message( device_id_t device_id ); |
67 | 67 | ||
68 | int change_state_message( device_id_t device_id, device_state_t state ){ |
68 | int change_state_message( device_id_t device_id, device_state_t state ){ |
69 | ERROR_DECLARE; |
69 | ERROR_DECLARE; |
70 | 70 | ||
71 | device_ref device; |
71 | device_ref device; |
72 | 72 | ||
73 | ERROR_PROPAGATE( find_device( device_id, & device )); |
73 | ERROR_PROPAGATE( find_device( device_id, & device )); |
74 | if( device->state != state ){ |
74 | if( device->state != state ){ |
75 | device->state = state; |
75 | device->state = state; |
76 | nil_message( device, NET_NIL_DEVICE_STATE, device->state, NULL ); |
76 | nil_message( device, NET_NIL_DEVICE_STATE, device->state, NULL ); |
77 | } |
77 | } |
78 | return EOK; |
78 | return EOK; |
79 | } |
79 | } |
80 | 80 | ||
81 | int create( device_id_t device_id, device_ref * device ){ |
81 | int create( device_id_t device_id, device_ref * device ){ |
82 | ERROR_DECLARE; |
82 | ERROR_DECLARE; |
83 | 83 | ||
84 | if( device_map_count( & netif_globals.device_map ) > 0 ){ |
84 | if( device_map_count( & netif_globals.device_map ) > 0 ){ |
85 | return EXDEV; |
85 | return EXDEV; |
86 | }else{ |
86 | }else{ |
87 | * device = ( device_ref ) malloc( sizeof( device_t )); |
87 | * device = ( device_ref ) malloc( sizeof( device_t )); |
88 | if( !( * device )) return ENOMEM; |
88 | if( !( * device )) return ENOMEM; |
89 | ( ** device ).device_id = device_id; |
89 | ( ** device ).device_id = device_id; |
90 | ( ** device ).nil_phone = -1; |
90 | ( ** device ).nil_phone = -1; |
91 | ( ** device ).specific = NULL; |
91 | ( ** device ).specific = NULL; |
92 | null_device_stats( &(( ** device ).stats )); |
92 | null_device_stats( &(( ** device ).stats )); |
93 | ( ** device ).state = NETIF_STOPPED; |
93 | ( ** device ).state = NETIF_STOPPED; |
94 | ( ** device ).flags = NULL; |
94 | ( ** device ).flags = NULL; |
95 | ( ** device ).mtu = DEFAULT_MTU; |
95 | ( ** device ).mtu = DEFAULT_MTU; |
96 | if( ERROR_OCCURRED( device_map_add( & netif_globals.device_map, ( ** device ).device_id, * device ))){ |
96 | if( ERROR_OCCURRED( device_map_add( & netif_globals.device_map, ( ** device ).device_id, * device ))){ |
97 | free( * device ); |
97 | free( * device ); |
98 | * device = NULL; |
98 | * device = NULL; |
99 | return ERROR_CODE; |
99 | return ERROR_CODE; |
100 | } |
100 | } |
101 | } |
101 | } |
102 | return EOK; |
102 | return EOK; |
103 | } |
103 | } |
104 | 104 | ||
105 | int initialize( void ){ |
105 | int initialize( void ){ |
106 | ipcarg_t phonehash; |
106 | ipcarg_t phonehash; |
107 | 107 | ||
108 | return REGISTER_ME( SERVICE_LO, & phonehash ); |
108 | return REGISTER_ME( SERVICE_LO, & phonehash ); |
109 | } |
109 | } |
110 | 110 | ||
111 | void netif_print_name( void ){ |
111 | void netif_print_name( void ){ |
112 | printf( NAME ); |
112 | printf( NAME ); |
113 | } |
113 | } |
114 | 114 | ||
115 | int probe_auto_message( void ){ |
115 | int probe_auto_message( void ){ |
116 | /* ERROR_DECLARE; |
116 | /* ERROR_DECLARE; |
117 | 117 | ||
118 | device_ref device; |
118 | device_ref device; |
119 | 119 | ||
120 | ERROR_PROPAGATE( create( arg1, & device )); |
120 | ERROR_PROPAGATE( create( arg1, & device )); |
121 | ipc_call_sync_3_3( netif_globals.networking_phone, NET_NET_DEVICE, device->device_id, NULL, NULL, NULL, NULL, NULL ); |
121 | ipc_call_sync_3_3( netif_globals.networking_phone, NET_NET_DEVICE, device->device_id, NULL, NULL, NULL, NULL, NULL ); |
122 | */ return ENOTSUP; |
122 | */ return ENOTSUP; |
123 | } |
123 | } |
124 | 124 | ||
125 | int probe_message( device_id_t device_id, int irq, int io ){ |
125 | int probe_message( device_id_t device_id, int irq, int io ){ |
126 | ERROR_DECLARE; |
126 | ERROR_DECLARE; |
127 | 127 | ||
128 | device_ref device; |
128 | device_ref device; |
129 | aid_t message; |
129 | aid_t message; |
130 | ipc_call_t answer; |
130 | ipc_call_t answer; |
131 | measured_string_t configuration[ 1 ] = {{ "MTU", 3 }}; |
131 | measured_string_t configuration[ 1 ] = {{ "MTU", 3 }}; |
132 | int count = 1; |
132 | int count = 1; |
133 | measured_string_ref settings; |
133 | measured_string_ref settings; |
134 | char * data; |
134 | char * data; |
135 | 135 | ||
136 | // create a new device |
136 | // create a new device |
137 | ERROR_PROPAGATE( create( device_id, & device )); |
137 | ERROR_PROPAGATE( create( device_id, & device )); |
138 | // get configuration |
138 | // get configuration |
139 | message = async_send_2( netif_globals.networking_phone, NET_NET_GET_DEVICE_CONF, device->device_id, count, & answer ); |
139 | message = async_send_2( netif_globals.networking_phone, NET_NET_GET_DEVICE_CONF, device->device_id, count, & answer ); |
140 | // send names and get settings |
140 | // send names and get settings |
141 | if( ERROR_OCCURRED( measured_strings_send( netif_globals.networking_phone, configuration, count )) |
141 | if( ERROR_OCCURRED( measured_strings_send( netif_globals.networking_phone, configuration, count )) |
142 | || ERROR_OCCURRED( measured_strings_return( netif_globals.networking_phone, & settings, & data, count ))){ |
142 | || ERROR_OCCURRED( measured_strings_return( netif_globals.networking_phone, & settings, & data, count ))){ |
143 | async_wait_for( message, NULL ); |
143 | async_wait_for( message, NULL ); |
144 | return ERROR_CODE; |
144 | return ERROR_CODE; |
145 | } |
145 | } |
146 | // MTU is the first one |
146 | // MTU is the first one |
147 | if( settings && ( settings[ 0 ].value )){ |
147 | if( settings && ( settings[ 0 ].value )){ |
148 | device->mtu = strtoul( settings[ 0 ].value, NULL, 0 ); |
148 | device->mtu = strtoul( settings[ 0 ].value, NULL, 0 ); |
149 | }else{ |
149 | }else{ |
150 | device->mtu = DEFAULT_MTU; |
150 | device->mtu = DEFAULT_MTU; |
151 | } |
151 | } |
152 | // print the settings |
152 | // print the settings |
153 | printf("\n -MTU =\t%d", device->mtu ); |
153 | printf("\n -MTU =\t%d", device->mtu ); |
154 | free( settings ); |
154 | free( settings ); |
155 | free( data ); |
155 | free( data ); |
156 | // end request |
156 | // end request |
157 | async_wait_for( message, NULL ); |
157 | async_wait_for( message, NULL ); |
158 | return EOK; |
158 | return EOK; |
159 | } |
159 | } |
160 | 160 | ||
161 | int send_message( device_id_t device_id, packet_t packet ){ |
161 | int send_message( device_id_t device_id, packet_t packet ){ |
162 | ERROR_DECLARE; |
162 | ERROR_DECLARE; |
163 | 163 | ||
164 | device_ref device; |
164 | device_ref device; |
165 | size_t length; |
165 | size_t length; |
166 | packet_t next; |
166 | packet_t next; |
167 | 167 | ||
168 | ERROR_PROPAGATE( find_device( device_id, & device )); |
168 | ERROR_PROPAGATE( find_device( device_id, & device )); |
169 | if( device->state != NETIF_ACTIVE ) return EPERM; |
169 | if( device->state != NETIF_ACTIVE ) return EPERM; |
- | 170 | next = packet; |
|
170 | do{ |
171 | do{ |
171 | ++ device->stats.tx_packets; |
172 | ++ device->stats.tx_packets; |
172 | ++ device->stats.rx_packets; |
173 | ++ device->stats.rx_packets; |
173 | length = packet_get_data_length( packet ); |
174 | length = packet_get_data_length( next ); |
174 | device->stats.tx_bytes += length; |
175 | device->stats.tx_bytes += length; |
175 | device->stats.rx_bytes += length; |
176 | device->stats.rx_bytes += length; |
176 | next = pq_detach( packet ); |
177 | next = pq_next( next ); |
- | 178 | }while( next ); |
|
177 | nil_message( device, NET_NIL_RECEIVED, packet_get_id( packet ), PACKET_SELF ); |
179 | nil_message( device, NET_NIL_RECEIVED, packet_get_id( packet ), PACKET_SELF ); |
178 | packet = next; |
- | |
179 | }while( packet ); |
- | |
180 | return EOK; |
180 | return EOK; |
181 | } |
181 | } |
182 | 182 | ||
183 | int start_message( device_id_t device_id ){ |
183 | int start_message( device_id_t device_id ){ |
184 | return change_state_message( device_id, NETIF_ACTIVE ); |
184 | return change_state_message( device_id, NETIF_ACTIVE ); |
185 | } |
185 | } |
186 | 186 | ||
187 | int stop_message( device_id_t device_id ){ |
187 | int stop_message( device_id_t device_id ){ |
188 | return change_state_message( device_id, NETIF_STOPPED ); |
188 | return change_state_message( device_id, NETIF_STOPPED ); |
189 | } |
189 | } |
190 | 190 | ||
191 | /** @} |
191 | /** @} |
192 | */ |
192 | */ |
193 | 193 |