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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 eth |
29 | /** @addtogroup eth |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | 32 | ||
33 | /** @file |
33 | /** @file |
34 | * Ethernet module implementation. |
34 | * Ethernet module implementation. |
35 | * @see eth.h |
35 | * @see eth.h |
36 | */ |
36 | */ |
37 | 37 | ||
38 | #include <async.h> |
38 | #include <async.h> |
39 | #include <malloc.h> |
39 | #include <malloc.h> |
40 | #include <mem.h> |
40 | #include <mem.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 "../../include/byteorder.h" |
50 | #include "../../include/byteorder.h" |
51 | #include "../../include/crc.h" |
51 | #include "../../include/crc.h" |
52 | #include "../../include/ethernet_lsap.h" |
52 | #include "../../include/ethernet_lsap.h" |
53 | #include "../../include/ethernet_protocols.h" |
53 | #include "../../include/ethernet_protocols.h" |
54 | #include "../../include/protocol_map.h" |
54 | #include "../../include/protocol_map.h" |
55 | #include "../../include/device.h" |
55 | #include "../../include/device.h" |
56 | #include "../../include/netif_messages.h" |
56 | #include "../../include/netif_interface.h" |
57 | #include "../../include/nil_messages.h" |
57 | #include "../../include/nil_interface.h" |
- | 58 | #include "../../include/il_interface.h" |
|
58 | 59 | ||
59 | #include "../../structures/measured_strings.h" |
60 | #include "../../structures/measured_strings.h" |
60 | #include "../../structures/packet/packet_client.h" |
61 | #include "../../structures/packet/packet_client.h" |
61 | 62 | ||
62 | #include "../nil_module.h" |
63 | #include "../nil_module.h" |
63 | #include "../nil_wrappers.h" |
- | |
64 | 64 | ||
65 | #include "eth.h" |
65 | #include "eth.h" |
66 | #include "eth_header.h" |
66 | #include "eth_header.h" |
67 | 67 | ||
68 | #define ETH_PREFIX ( sizeof( eth_header_t ) + sizeof( eth_header_lsap_t ) + sizeof( eth_header_snap_t )) |
68 | #define ETH_PREFIX ( sizeof( eth_header_t ) + sizeof( eth_header_lsap_t ) + sizeof( eth_header_snap_t )) |
69 | #define ETH_SUFFIX sizeof( eth_fcs_t ) |
69 | #define ETH_SUFFIX sizeof( eth_fcs_t ) |
70 | #define ETH_MAX_CONTENT 1500 |
70 | #define ETH_MAX_CONTENT 1500 |
71 | #define ETH_MIN_CONTENT 46 |
71 | #define ETH_MIN_CONTENT 46 |
72 | #define ETH_MAX_TAGGED_CONTENT ( ETH_MAX_CONTENT - sizeof( eth_header_lsap_t ) - sizeof( eth_header_snap_t )) |
72 | #define ETH_MAX_TAGGED_CONTENT ( ETH_MAX_CONTENT - sizeof( eth_header_lsap_t ) - sizeof( eth_header_snap_t )) |
73 | #define ETH_MIN_TAGGED_CONTENT ( ETH_MIN_CONTENT - sizeof( eth_header_lsap_t ) - sizeof( eth_header_snap_t )) |
73 | #define ETH_MIN_TAGGED_CONTENT ( ETH_MIN_CONTENT - sizeof( eth_header_lsap_t ) - sizeof( eth_header_snap_t )) |
74 | 74 | ||
75 | typedef enum eth_addr_type eth_addr_type_t; |
75 | typedef enum eth_addr_type eth_addr_type_t; |
76 | typedef eth_addr_type_t * eth_addr_type_ref; |
76 | typedef eth_addr_type_t * eth_addr_type_ref; |
77 | 77 | ||
78 | enum eth_addr_type{ |
78 | enum eth_addr_type{ |
79 | ETH_LOCAL_ADDR, |
79 | ETH_LOCAL_ADDR, |
80 | ETH_BROADCAST_ADDR |
80 | ETH_BROADCAST_ADDR |
81 | }; |
81 | }; |
82 | 82 | ||
83 | /** Ethernet global data. |
83 | /** Ethernet global data. |
84 | */ |
84 | */ |
85 | eth_globals_t eth_globals; |
85 | eth_globals_t eth_globals; |
86 | 86 | ||
87 | /** Processes IPC messages from the registered device driver modules in an infinite loop. |
87 | /** Processes IPC messages from the registered device driver modules in an infinite loop. |
88 | * @param iid The message identifier. Input parameter. |
88 | * @param iid The message identifier. Input parameter. |
89 | * @param icall The message parameters. Input/output parameter. |
89 | * @param icall The message parameters. Input/output parameter. |
90 | */ |
90 | */ |
91 | void eth_receiver( ipc_callid_t iid, ipc_call_t * icall ); |
91 | void eth_receiver( ipc_callid_t iid, ipc_call_t * icall ); |
92 | 92 | ||
93 | DEVICE_MAP_IMPLEMENT( eth_devices, eth_device_t ) |
93 | DEVICE_MAP_IMPLEMENT( eth_devices, eth_device_t ) |
94 | 94 | ||
95 | INT_MAP_IMPLEMENT( eth_protos, eth_proto_t ) |
95 | INT_MAP_IMPLEMENT( eth_protos, eth_proto_t ) |
96 | 96 | ||
97 | int eth_device_message( device_id_t device_id, services_t service, size_t mtu ); |
97 | int eth_device_message( device_id_t device_id, services_t service, size_t mtu ); |
98 | int eth_receive_message( device_id_t device_id, packet_t packet ); |
98 | int nil_receive_msg( int nil_phone, device_id_t device_id, packet_t packet ); |
- | 99 | int nil_register_message( services_t service, int phone ); |
|
99 | int eth_packet_space_message( device_id_t device_id, size_t * addr_len, size_t * prefix, size_t * content, size_t * suffix ); |
100 | int eth_packet_space_message( device_id_t device_id, size_t * addr_len, size_t * prefix, size_t * content, size_t * suffix ); |
100 | int eth_addr_message( device_id_t device_id, eth_addr_type_t type, measured_string_ref * address ); |
101 | int eth_addr_message( device_id_t device_id, eth_addr_type_t type, measured_string_ref * address ); |
101 | int eth_send_message( device_id_t device_id, packet_t packet, services_t sender ); |
102 | int eth_send_message( device_id_t device_id, packet_t packet, services_t sender ); |
102 | eth_proto_ref eth_process_packet( int dummy, packet_t packet ); |
103 | eth_proto_ref eth_process_packet( int dummy, packet_t packet ); |
103 | int eth_prepare_packet( int dummy, packet_t packet, uint8_t * src_addr, int ethertype ); |
104 | int eth_prepare_packet( int dummy, packet_t packet, uint8_t * src_addr, int ethertype ); |
104 | 105 | ||
105 | void nil_device_state_wrapper( device_id_t device_id, int state ){ |
106 | int nil_device_state_msg( int nil_phone, device_id_t device_id, int state ){ |
106 | int index; |
107 | int index; |
107 | eth_proto_ref proto; |
108 | eth_proto_ref proto; |
108 | 109 | ||
109 | //TODO clear device if off? |
110 | //TODO clear device if off? |
110 | rwlock_read_lock( & eth_globals.protos_lock ); |
111 | rwlock_read_lock( & eth_globals.protos_lock ); |
111 | for( index = eth_protos_count( & eth_globals.protos ) - 1; index >= 0; -- index ){ |
112 | for( index = eth_protos_count( & eth_globals.protos ) - 1; index >= 0; -- index ){ |
112 | proto = eth_protos_get_index( & eth_globals.protos, index ); |
113 | proto = eth_protos_get_index( & eth_globals.protos, index ); |
113 | if( proto && proto->phone ) async_msg_2( proto->phone, NET_IL_DEVICE_STATE, device_id, state ); |
114 | if( proto && proto->phone ) il_device_state_msg( proto->phone, device_id, state ); |
114 | } |
115 | } |
115 | rwlock_read_unlock( & eth_globals.protos_lock ); |
116 | rwlock_read_unlock( & eth_globals.protos_lock ); |
- | 117 | return EOK; |
|
116 | } |
118 | } |
117 | 119 | ||
118 | int nil_receive_wrapper( device_id_t device_id, packet_t packet ){ |
- | |
119 | return eth_receive_message( device_id, packet ); |
- | |
120 | } |
- | |
121 | - | ||
122 | int nil_initialize( int networking_phone ){ |
120 | int nil_initialize( int net_phone ){ |
123 | ERROR_DECLARE; |
121 | ERROR_DECLARE; |
124 | 122 | ||
125 | rwlock_initialize( & eth_globals.devices_lock ); |
123 | rwlock_initialize( & eth_globals.devices_lock ); |
126 | rwlock_initialize( & eth_globals.protos_lock ); |
124 | rwlock_initialize( & eth_globals.protos_lock ); |
127 | rwlock_write_lock( & eth_globals.devices_lock ); |
125 | rwlock_write_lock( & eth_globals.devices_lock ); |
128 | rwlock_write_lock( & eth_globals.protos_lock ); |
126 | rwlock_write_lock( & eth_globals.protos_lock ); |
129 | eth_globals.networking_phone = networking_phone; |
127 | eth_globals.net_phone = net_phone; |
130 | eth_globals.broadcast_addr = measured_string_create_bulk( "\xFF\xFF\xFF\xFF\xFF\xFF", CONVERT_SIZE( uint8_t, char, ETH_ADDR )); |
128 | eth_globals.broadcast_addr = measured_string_create_bulk( "\xFF\xFF\xFF\xFF\xFF\xFF", CONVERT_SIZE( uint8_t, char, ETH_ADDR )); |
131 | if( ! eth_globals.broadcast_addr ) return ENOMEM; |
129 | if( ! eth_globals.broadcast_addr ) return ENOMEM; |
132 | ERROR_PROPAGATE( eth_devices_initialize( & eth_globals.devices )); |
130 | ERROR_PROPAGATE( eth_devices_initialize( & eth_globals.devices )); |
133 | if( ERROR_OCCURRED( eth_protos_initialize( & eth_globals.protos ))){ |
131 | if( ERROR_OCCURRED( eth_protos_initialize( & eth_globals.protos ))){ |
134 | eth_devices_destroy( & eth_globals.devices ); |
132 | eth_devices_destroy( & eth_globals.devices ); |
135 | return ERROR_CODE; |
133 | return ERROR_CODE; |
136 | } |
134 | } |
137 | rwlock_write_unlock( & eth_globals.protos_lock ); |
135 | rwlock_write_unlock( & eth_globals.protos_lock ); |
138 | rwlock_write_unlock( & eth_globals.devices_lock ); |
136 | rwlock_write_unlock( & eth_globals.devices_lock ); |
139 | return EOK; |
137 | return EOK; |
140 | } |
138 | } |
141 | 139 | ||
142 | int eth_device_message( device_id_t device_id, services_t service, size_t mtu ){ |
140 | int eth_device_message( device_id_t device_id, services_t service, size_t mtu ){ |
143 | ERROR_DECLARE; |
141 | ERROR_DECLARE; |
144 | 142 | ||
145 | eth_device_ref device; |
143 | eth_device_ref device; |
146 | int index; |
144 | int index; |
147 | 145 | ||
148 | rwlock_write_lock( & eth_globals.devices_lock ); |
146 | rwlock_write_lock( & eth_globals.devices_lock ); |
149 | // an existing device? |
147 | // an existing device? |
150 | device = eth_devices_find( & eth_globals.devices, device_id ); |
148 | device = eth_devices_find( & eth_globals.devices, device_id ); |
151 | if( device ){ |
149 | if( device ){ |
152 | if( device->service != service ){ |
150 | if( device->service != service ){ |
153 | printf( "\nDevice %d already exists", device->device_id ); |
151 | printf( "Device %d already exists\n", device->device_id ); |
154 | rwlock_write_unlock( & eth_globals.devices_lock ); |
152 | rwlock_write_unlock( & eth_globals.devices_lock ); |
155 | return EEXIST; |
153 | return EEXIST; |
156 | }else{ |
154 | }else{ |
157 | // update mtu |
155 | // update mtu |
158 | device->mtu = mtu; |
156 | device->mtu = mtu; |
159 | printf( "\nDevice %d already exists:\tMTU\t= %d", device->device_id, device->mtu ); |
157 | printf( "Device %d already exists:\tMTU\t= %d\n", device->device_id, device->mtu ); |
160 | } |
158 | } |
161 | }else{ |
159 | }else{ |
162 | // create a new device |
160 | // create a new device |
163 | device = ( eth_device_ref ) malloc( sizeof( eth_device_t )); |
161 | device = ( eth_device_ref ) malloc( sizeof( eth_device_t )); |
164 | if( ! device ) return ENOMEM; |
162 | if( ! device ) return ENOMEM; |
165 | device->device_id = device_id; |
163 | device->device_id = device_id; |
166 | device->service = service; |
164 | device->service = service; |
167 | device->mtu = (( mtu > 0 ) && ( mtu <= ETH_MAX_TAGGED_CONTENT )) ? mtu : ETH_MAX_TAGGED_CONTENT; |
165 | device->mtu = (( mtu > 0 ) && ( mtu <= ETH_MAX_TAGGED_CONTENT )) ? mtu : ETH_MAX_TAGGED_CONTENT; |
168 | // TODO get dummy setting |
166 | // TODO get dummy setting |
169 | device->dummy = 0; |
167 | device->dummy = 0; |
170 | // bind the device driver |
168 | // bind the device driver |
171 | #if ! NETIF_BUNDLE |
- | |
172 | device->phone = bind_service( device->service, device->device_id, SERVICE_ETHERNET, 0, eth_receiver ); |
169 | device->phone = netif_bind_service( device->service, device->device_id, SERVICE_ETHERNET, eth_receiver ); |
173 | if( device->phone < 0 ){ |
170 | if( device->phone < 0 ){ |
174 | rwlock_write_unlock( & eth_globals.devices_lock ); |
171 | rwlock_write_unlock( & eth_globals.devices_lock ); |
175 | free( device ); |
172 | free( device ); |
176 | return device->phone; |
173 | return device->phone; |
177 | } |
174 | } |
178 | #endif |
- | |
179 | // get hardware address |
175 | // get hardware address |
180 | if( ERROR_OCCURRED( netif_get_addr( device->phone, device->device_id, & device->addr, & device->addr_data ))){ |
176 | if( ERROR_OCCURRED( netif_get_addr( device->phone, device->device_id, & device->addr, & device->addr_data ))){ |
181 | rwlock_write_unlock( & eth_globals.devices_lock ); |
177 | rwlock_write_unlock( & eth_globals.devices_lock ); |
182 | free( device ); |
178 | free( device ); |
183 | return ERROR_CODE; |
179 | return ERROR_CODE; |
184 | } |
180 | } |
185 | // add to the cache |
181 | // add to the cache |
186 | index = eth_devices_add( & eth_globals.devices, device->device_id, device ); |
182 | index = eth_devices_add( & eth_globals.devices, device->device_id, device ); |
187 | if( index < 0 ){ |
183 | if( index < 0 ){ |
188 | rwlock_write_unlock( & eth_globals.devices_lock ); |
184 | rwlock_write_unlock( & eth_globals.devices_lock ); |
189 | free( device->addr ); |
185 | free( device->addr ); |
190 | free( device->addr_data ); |
186 | free( device->addr_data ); |
191 | free( device ); |
187 | free( device ); |
192 | return index; |
188 | return index; |
193 | } |
189 | } |
194 | printf( "\nNew device registered:\n\tid\t= %d\n\tservice\t= %d\n\tMTU\t= %d\n\taddress\t= %X:%X:%X:%X:%X:%X", device->device_id, device->service, device->mtu, device->addr_data[ 0 ], device->addr_data[ 1 ], device->addr_data[ 2 ], device->addr_data[ 3 ], device->addr_data[ 4 ], device->addr_data[ 5 ] ); |
190 | printf( "New device registered:\n\tid\t= %d\n\tservice\t= %d\n\tMTU\t= %d\n\taddress\t= %X:%X:%X:%X:%X:%X\n", device->device_id, device->service, device->mtu, device->addr_data[ 0 ], device->addr_data[ 1 ], device->addr_data[ 2 ], device->addr_data[ 3 ], device->addr_data[ 4 ], device->addr_data[ 5 ] ); |
195 | } |
191 | } |
196 | rwlock_write_unlock( & eth_globals.devices_lock ); |
192 | rwlock_write_unlock( & eth_globals.devices_lock ); |
197 | return EOK; |
193 | return EOK; |
198 | } |
194 | } |
199 | 195 | ||
200 | eth_proto_ref eth_process_packet( int dummy, packet_t packet ){ |
196 | eth_proto_ref eth_process_packet( int dummy, packet_t packet ){ |
201 | ERROR_DECLARE; |
197 | ERROR_DECLARE; |
202 | 198 | ||
203 | eth_header_ex_ref header; |
199 | eth_header_ex_ref header; |
204 | size_t length; |
200 | size_t length; |
205 | int type; |
201 | int type; |
206 | size_t prefix; |
202 | size_t prefix; |
207 | size_t suffix; |
203 | size_t suffix; |
208 | eth_fcs_ref fcs; |
204 | eth_fcs_ref fcs; |
209 | 205 | ||
210 | length = packet_get_data_length( packet ); |
206 | length = packet_get_data_length( packet ); |
211 | if( dummy ){ |
207 | if( dummy ){ |
212 | packet_trim( packet, sizeof( eth_preamble_t ), 0 ); |
208 | packet_trim( packet, sizeof( eth_preamble_t ), 0 ); |
213 | } |
209 | } |
214 | if( length <= sizeof( eth_header_t ) + ETH_MIN_CONTENT + ETH_SUFFIX ) return NULL; |
210 | if( length <= sizeof( eth_header_t ) + ETH_MIN_CONTENT + ETH_SUFFIX ) return NULL; |
215 | header = ( eth_header_ex_ref ) packet_get_data( packet ); |
211 | header = ( eth_header_ex_ref ) packet_get_data( packet ); |
216 | type = ntohs( header->header.ethertype ); |
212 | type = ntohs( header->header.ethertype ); |
217 | if( type >= ETH_MIN_PROTO ){ |
213 | if( type >= ETH_MIN_PROTO ){ |
218 | // DIX Ethernet |
214 | // DIX Ethernet |
219 | prefix = sizeof( eth_header_t ); |
215 | prefix = sizeof( eth_header_t ); |
220 | suffix = sizeof( eth_fcs_t ); |
216 | suffix = sizeof( eth_fcs_t ); |
221 | fcs = (( void * ) header ) + length - suffix; |
217 | fcs = (( void * ) header ) + length - suffix; |
222 | }else if( type <= ETH_MAX_CONTENT ){ |
218 | }else if( type <= ETH_MAX_CONTENT ){ |
223 | // translate "LSAP" values |
219 | // translate "LSAP" values |
224 | if(( header->lsap.dsap == ETH_LSAP_GLSAP ) && ( header->lsap.ssap == ETH_LSAP_GLSAP )){ |
220 | if(( header->lsap.dsap == ETH_LSAP_GLSAP ) && ( header->lsap.ssap == ETH_LSAP_GLSAP )){ |
225 | // raw packet |
221 | // raw packet |
226 | // discard |
222 | // discard |
227 | return NULL; |
223 | return NULL; |
228 | }else if(( header->lsap.dsap == ETH_LSAP_SNAP ) && ( header->lsap.ssap == ETH_LSAP_SNAP )){ |
224 | }else if(( header->lsap.dsap == ETH_LSAP_SNAP ) && ( header->lsap.ssap == ETH_LSAP_SNAP )){ |
229 | // IEEE 802.3 + 802.2 + LSAP + SNAP |
225 | // IEEE 802.3 + 802.2 + LSAP + SNAP |
230 | // organization code not supported |
226 | // organization code not supported |
231 | type = ntohs( header->snap.ethertype ); |
227 | type = ntohs( header->snap.ethertype ); |
232 | prefix = sizeof( eth_header_t ) + sizeof( eth_header_lsap_t ) + sizeof( eth_header_snap_t ); |
228 | prefix = sizeof( eth_header_t ) + sizeof( eth_header_lsap_t ) + sizeof( eth_header_snap_t ); |
233 | }else{ |
229 | }else{ |
234 | // IEEE 802.3 + 802.2 LSAP |
230 | // IEEE 802.3 + 802.2 LSAP |
235 | type = lsap_map( header->lsap.dsap ); |
231 | type = lsap_map( header->lsap.dsap ); |
236 | prefix = sizeof( eth_header_t ) + sizeof( eth_header_lsap_t); |
232 | prefix = sizeof( eth_header_t ) + sizeof( eth_header_lsap_t); |
237 | } |
233 | } |
238 | suffix = ( type < ETH_MIN_CONTENT ) ? ETH_MIN_CONTENT - type : 0; |
234 | suffix = ( type < ETH_MIN_CONTENT ) ? ETH_MIN_CONTENT - type : 0; |
239 | fcs = (( void * ) header ) + prefix + type + suffix; |
235 | fcs = (( void * ) header ) + prefix + type + suffix; |
240 | suffix += length - prefix - type; |
236 | suffix += length - prefix - type; |
241 | }else{ |
237 | }else{ |
242 | // invalid length/type, should not occurr |
238 | // invalid length/type, should not occurr |
243 | return NULL; |
239 | return NULL; |
244 | } |
240 | } |
245 | if( dummy ){ |
241 | if( dummy ){ |
246 | if(( ~ compute_crc32( ~ 0, & header->header.dest, ((( void * ) fcs ) - (( void * ) & header->header.dest )) * 8 )) != ntohl( * fcs )){ |
242 | if(( ~ compute_crc32( ~ 0, & header->header.dest, ((( void * ) fcs ) - (( void * ) & header->header.dest )) * 8 )) != ntohl( * fcs )){ |
247 | return NULL; |
243 | return NULL; |
248 | } |
244 | } |
249 | } |
245 | } |
250 | if( ERROR_OCCURRED( packet_set_addr( packet, header->header.src, header->header.dest, ETH_ADDR )) |
246 | if( ERROR_OCCURRED( packet_set_addr( packet, header->header.src, header->header.dest, ETH_ADDR )) |
251 | || ERROR_OCCURRED( packet_trim( packet, prefix, suffix ))){ |
247 | || ERROR_OCCURRED( packet_trim( packet, prefix, suffix ))){ |
252 | return NULL; |
248 | return NULL; |
253 | } |
249 | } |
254 | return eth_protos_find( & eth_globals.protos, type ); |
250 | return eth_protos_find( & eth_globals.protos, type ); |
255 | } |
251 | } |
256 | 252 | ||
257 | int eth_receive_message( device_id_t device_id, packet_t packet ){ |
253 | int nil_received_msg( int nil_phone, device_id_t device_id, packet_t packet, services_t target ){ |
258 | eth_proto_ref proto; |
254 | eth_proto_ref proto; |
259 | packet_t next; |
255 | packet_t next; |
260 | eth_device_ref device; |
256 | eth_device_ref device; |
261 | int dummy; |
257 | int dummy; |
262 | 258 | ||
263 | rwlock_read_lock( & eth_globals.devices_lock ); |
259 | rwlock_read_lock( & eth_globals.devices_lock ); |
264 | device = eth_devices_find( & eth_globals.devices, device_id ); |
260 | device = eth_devices_find( & eth_globals.devices, device_id ); |
265 | if( ! device ){ |
261 | if( ! device ){ |
266 | rwlock_read_unlock( & eth_globals.devices_lock ); |
262 | rwlock_read_unlock( & eth_globals.devices_lock ); |
267 | return ENOENT; |
263 | return ENOENT; |
268 | } |
264 | } |
269 | dummy = device->dummy; |
265 | dummy = device->dummy; |
270 | rwlock_read_unlock( & eth_globals.devices_lock ); |
266 | rwlock_read_unlock( & eth_globals.devices_lock ); |
271 | rwlock_read_lock( & eth_globals.protos_lock ); |
267 | rwlock_read_lock( & eth_globals.protos_lock ); |
272 | do{ |
268 | do{ |
273 | next = pq_detach( packet ); |
269 | next = pq_detach( packet ); |
274 | proto = eth_process_packet( dummy, packet ); |
270 | proto = eth_process_packet( dummy, packet ); |
275 | if( proto ){ |
271 | if( proto ){ |
276 | async_msg_3( proto->phone, NET_IL_RECEIVED, device_id, packet_get_id( packet ), proto->service ); |
272 | il_received_msg( proto->phone, device_id, packet, proto->service ); |
277 | }else{ |
273 | }else{ |
278 | // drop invalid/unknown |
274 | // drop invalid/unknown |
279 | pq_release( eth_globals.networking_phone, packet_get_id( packet )); |
275 | pq_release( eth_globals.net_phone, packet_get_id( packet )); |
280 | } |
276 | } |
281 | packet = next; |
277 | packet = next; |
282 | }while( packet ); |
278 | }while( packet ); |
283 | rwlock_read_unlock( & eth_globals.protos_lock ); |
279 | rwlock_read_unlock( & eth_globals.protos_lock ); |
284 | return EOK; |
280 | return EOK; |
285 | } |
281 | } |
286 | 282 | ||
287 | int eth_packet_space_message( device_id_t device_id, size_t * addr_len, size_t * prefix, size_t * content, size_t * suffix ){ |
283 | int eth_packet_space_message( device_id_t device_id, size_t * addr_len, size_t * prefix, size_t * content, size_t * suffix ){ |
288 | eth_device_ref device; |
284 | eth_device_ref device; |
289 | 285 | ||
290 | if( !( addr_len && prefix && content && suffix )) return EINVAL; |
286 | if( !( addr_len && prefix && content && suffix )) return EINVAL; |
291 | rwlock_read_lock( & eth_globals.devices_lock ); |
287 | rwlock_read_lock( & eth_globals.devices_lock ); |
292 | device = eth_devices_find( & eth_globals.devices, device_id ); |
288 | device = eth_devices_find( & eth_globals.devices, device_id ); |
293 | if( ! device ){ |
289 | if( ! device ){ |
294 | rwlock_read_unlock( & eth_globals.devices_lock ); |
290 | rwlock_read_unlock( & eth_globals.devices_lock ); |
295 | return ENOENT; |
291 | return ENOENT; |
296 | } |
292 | } |
297 | * content = device->mtu; |
293 | * content = device->mtu; |
298 | rwlock_read_unlock( & eth_globals.devices_lock ); |
294 | rwlock_read_unlock( & eth_globals.devices_lock ); |
299 | * addr_len = ETH_ADDR; |
295 | * addr_len = ETH_ADDR; |
300 | * prefix = ETH_PREFIX; |
296 | * prefix = ETH_PREFIX; |
301 | * suffix = ETH_MIN_CONTENT + ETH_SUFFIX; |
297 | * suffix = ETH_MIN_CONTENT + ETH_SUFFIX; |
302 | return EOK; |
298 | return EOK; |
303 | } |
299 | } |
304 | 300 | ||
305 | int eth_addr_message( device_id_t device_id, eth_addr_type_t type, measured_string_ref * address ){ |
301 | int eth_addr_message( device_id_t device_id, eth_addr_type_t type, measured_string_ref * address ){ |
306 | eth_device_ref device; |
302 | eth_device_ref device; |
307 | 303 | ||
308 | if( ! address ) return EINVAL; |
304 | if( ! address ) return EINVAL; |
309 | if( type == ETH_BROADCAST_ADDR ){ |
305 | if( type == ETH_BROADCAST_ADDR ){ |
310 | * address = eth_globals.broadcast_addr; |
306 | * address = eth_globals.broadcast_addr; |
311 | }else{ |
307 | }else{ |
312 | rwlock_read_lock( & eth_globals.devices_lock ); |
308 | rwlock_read_lock( & eth_globals.devices_lock ); |
313 | device = eth_devices_find( & eth_globals.devices, device_id ); |
309 | device = eth_devices_find( & eth_globals.devices, device_id ); |
314 | if( ! device ){ |
310 | if( ! device ){ |
315 | rwlock_read_unlock( & eth_globals.devices_lock ); |
311 | rwlock_read_unlock( & eth_globals.devices_lock ); |
316 | return ENOENT; |
312 | return ENOENT; |
317 | } |
313 | } |
318 | * address = device->addr; |
314 | * address = device->addr; |
319 | rwlock_read_unlock( & eth_globals.devices_lock ); |
315 | rwlock_read_unlock( & eth_globals.devices_lock ); |
320 | } |
316 | } |
321 | return ( * address ) ? EOK : ENOENT; |
317 | return ( * address ) ? EOK : ENOENT; |
322 | } |
318 | } |
323 | 319 | ||
324 | int nil_register_message( services_t service, int phone ){ |
320 | int nil_register_message( services_t service, int phone ){ |
325 | eth_proto_ref proto; |
321 | eth_proto_ref proto; |
326 | int protocol; |
322 | int protocol; |
327 | int index; |
323 | int index; |
328 | 324 | ||
329 | protocol = protocol_map( SERVICE_ETHERNET, service ); |
325 | protocol = protocol_map( SERVICE_ETHERNET, service ); |
330 | if( ! protocol ) return ENOENT; |
326 | if( ! protocol ) return ENOENT; |
331 | rwlock_write_lock( & eth_globals.protos_lock ); |
327 | rwlock_write_lock( & eth_globals.protos_lock ); |
332 | proto = eth_protos_find( & eth_globals.protos, protocol ); |
328 | proto = eth_protos_find( & eth_globals.protos, protocol ); |
333 | if( proto ){ |
329 | if( proto ){ |
334 | proto->phone = phone; |
330 | proto->phone = phone; |
335 | rwlock_write_unlock( & eth_globals.protos_lock ); |
331 | rwlock_write_unlock( & eth_globals.protos_lock ); |
336 | return EOK; |
332 | return EOK; |
337 | }else{ |
333 | }else{ |
338 | proto = ( eth_proto_ref ) malloc( sizeof( eth_proto_t )); |
334 | proto = ( eth_proto_ref ) malloc( sizeof( eth_proto_t )); |
339 | if( ! proto ){ |
335 | if( ! proto ){ |
340 | rwlock_write_unlock( & eth_globals.protos_lock ); |
336 | rwlock_write_unlock( & eth_globals.protos_lock ); |
341 | return ENOMEM; |
337 | return ENOMEM; |
342 | } |
338 | } |
343 | proto->service = service; |
339 | proto->service = service; |
344 | proto->protocol = protocol; |
340 | proto->protocol = protocol; |
345 | proto->phone = phone; |
341 | proto->phone = phone; |
346 | index = eth_protos_add( & eth_globals.protos, protocol, proto ); |
342 | index = eth_protos_add( & eth_globals.protos, protocol, proto ); |
347 | if( index < 0 ){ |
343 | if( index < 0 ){ |
348 | rwlock_write_unlock( & eth_globals.protos_lock ); |
344 | rwlock_write_unlock( & eth_globals.protos_lock ); |
349 | free( proto ); |
345 | free( proto ); |
350 | return index; |
346 | return index; |
351 | } |
347 | } |
352 | } |
348 | } |
353 | printf( "\nNew protocol registered:\n\tprotocol\t= 0x%x\n\tservice\t= %d\n\tphone\t= %d", proto->protocol, proto->service, proto->phone ); |
349 | printf( "New protocol registered:\n\tprotocol\t= 0x%x\n\tservice\t= %d\n\tphone\t= %d\n", proto->protocol, proto->service, proto->phone ); |
354 | rwlock_write_unlock( & eth_globals.protos_lock ); |
350 | rwlock_write_unlock( & eth_globals.protos_lock ); |
355 | return EOK; |
351 | return EOK; |
356 | } |
352 | } |
357 | 353 | ||
358 | int eth_prepare_packet( int dummy, packet_t packet, uint8_t * src_addr, int ethertype ){ |
354 | int eth_prepare_packet( int dummy, packet_t packet, uint8_t * src_addr, int ethertype ){ |
359 | eth_header_ex_ref header; |
355 | eth_header_ex_ref header; |
360 | eth_fcs_ref fcs; |
356 | eth_fcs_ref fcs; |
361 | uint8_t * src; |
357 | uint8_t * src; |
362 | uint8_t * dest; |
358 | uint8_t * dest; |
363 | int length; |
359 | int length; |
364 | int i; |
360 | int i; |
365 | void * padding; |
361 | void * padding; |
366 | eth_preamble_ref preamble; |
362 | eth_preamble_ref preamble; |
367 | 363 | ||
368 | length = packet_get_data_length( packet ); |
364 | length = packet_get_data_length( packet ); |
369 | if( length > ETH_MAX_TAGGED_CONTENT ) return EINVAL; |
365 | if( length > ETH_MAX_TAGGED_CONTENT ) return EINVAL; |
370 | if( length < ETH_MIN_TAGGED_CONTENT ){ |
366 | if( length < ETH_MIN_TAGGED_CONTENT ){ |
371 | padding = packet_suffix( packet, ETH_MIN_TAGGED_CONTENT - length ); |
367 | padding = packet_suffix( packet, ETH_MIN_TAGGED_CONTENT - length ); |
372 | if( ! padding ) return ENOMEM; |
368 | if( ! padding ) return ENOMEM; |
373 | bzero( padding, ETH_MIN_TAGGED_CONTENT - length ); |
369 | bzero( padding, ETH_MIN_TAGGED_CONTENT - length ); |
374 | } |
370 | } |
375 | if( dummy ){ |
371 | if( dummy ){ |
376 | preamble = PACKET_PREFIX( packet, eth_preamble_t ); |
372 | preamble = PACKET_PREFIX( packet, eth_preamble_t ); |
377 | if( ! preamble ) return ENOMEM; |
373 | if( ! preamble ) return ENOMEM; |
378 | for( i = 0; i < 7; ++ i ) preamble->preamble[ i ] = ETH_PREAMBLE; |
374 | for( i = 0; i < 7; ++ i ) preamble->preamble[ i ] = ETH_PREAMBLE; |
379 | preamble->sfd = ETH_SFD; |
375 | preamble->sfd = ETH_SFD; |
380 | } |
376 | } |
381 | header = PACKET_PREFIX( packet, eth_header_ex_t ); |
377 | header = PACKET_PREFIX( packet, eth_header_ex_t ); |
382 | if( ! header ) return ENOMEM; |
378 | if( ! header ) return ENOMEM; |
383 | header->header.ethertype = htons( length + sizeof( eth_header_lsap_t ) + sizeof( eth_header_snap_t )); |
379 | header->header.ethertype = htons( length + sizeof( eth_header_lsap_t ) + sizeof( eth_header_snap_t )); |
384 | header->lsap.dsap = ( uint16_t ) ETH_LSAP_SNAP; |
380 | header->lsap.dsap = ( uint16_t ) ETH_LSAP_SNAP; |
385 | header->lsap.ssap = header->lsap.dsap; |
381 | header->lsap.ssap = header->lsap.dsap; |
386 | header->lsap.ctrl = 0; |
382 | header->lsap.ctrl = 0; |
387 | for( i = 0; i < 3; ++ i ) header->snap.proto[ i ] = 0; |
383 | for( i = 0; i < 3; ++ i ) header->snap.proto[ i ] = 0; |
388 | header->snap.ethertype = ( uint16_t ) ethertype; |
384 | header->snap.ethertype = ( uint16_t ) ethertype; |
389 | length = packet_get_addr( packet, & src, & dest ); |
385 | length = packet_get_addr( packet, & src, & dest ); |
390 | if( length < 0 ) return length; |
386 | if( length < 0 ) return length; |
391 | if( length < ETH_ADDR ) return EINVAL; |
387 | if( length < ETH_ADDR ) return EINVAL; |
392 | memcpy( header->header.src, src_addr, ETH_ADDR ); |
388 | memcpy( header->header.src, src_addr, ETH_ADDR ); |
393 | memcpy( header->header.dest, dest, ETH_ADDR ); |
389 | memcpy( header->header.dest, dest, ETH_ADDR ); |
394 | if( dummy ){ |
390 | if( dummy ){ |
395 | fcs = PACKET_SUFFIX( packet, eth_fcs_t ); |
391 | fcs = PACKET_SUFFIX( packet, eth_fcs_t ); |
396 | if( ! fcs ) return ENOMEM; |
392 | if( ! fcs ) return ENOMEM; |
397 | * fcs = htonl( ~ compute_crc32( ~ 0, & header->header.dest, ((( void * ) fcs ) - (( void * ) & header->header.dest )) * 8 )); |
393 | * fcs = htonl( ~ compute_crc32( ~ 0, & header->header.dest, ((( void * ) fcs ) - (( void * ) & header->header.dest )) * 8 )); |
398 | } |
394 | } |
399 | return EOK; |
395 | return EOK; |
400 | } |
396 | } |
401 | 397 | ||
402 | int eth_send_message( device_id_t device_id, packet_t packet, services_t sender ){ |
398 | int eth_send_message( device_id_t device_id, packet_t packet, services_t sender ){ |
403 | ERROR_DECLARE; |
399 | ERROR_DECLARE; |
404 | 400 | ||
405 | eth_device_ref device; |
401 | eth_device_ref device; |
406 | packet_t next; |
402 | packet_t next; |
407 | packet_t tmp; |
403 | packet_t tmp; |
408 | int ethertype; |
404 | int ethertype; |
409 | 405 | ||
410 | ethertype = htons( protocol_map( SERVICE_ETHERNET, sender )); |
406 | ethertype = htons( protocol_map( SERVICE_ETHERNET, sender )); |
411 | if( ! ethertype ){ |
407 | if( ! ethertype ){ |
412 | pq_release( eth_globals.networking_phone, packet_get_id( packet )); |
408 | pq_release( eth_globals.net_phone, packet_get_id( packet )); |
413 | return EINVAL; |
409 | return EINVAL; |
414 | } |
410 | } |
415 | rwlock_read_lock( & eth_globals.devices_lock ); |
411 | rwlock_read_lock( & eth_globals.devices_lock ); |
416 | device = eth_devices_find( & eth_globals.devices, device_id ); |
412 | device = eth_devices_find( & eth_globals.devices, device_id ); |
417 | if( ! device ){ |
413 | if( ! device ){ |
418 | rwlock_read_unlock( & eth_globals.devices_lock ); |
414 | rwlock_read_unlock( & eth_globals.devices_lock ); |
419 | return ENOENT; |
415 | return ENOENT; |
420 | } |
416 | } |
421 | // process packet queue |
417 | // process packet queue |
422 | next = packet; |
418 | next = packet; |
423 | do{ |
419 | do{ |
424 | if( ERROR_OCCURRED( eth_prepare_packet( device->dummy, next, ( uint8_t * ) device->addr->value, ethertype ))){ |
420 | if( ERROR_OCCURRED( eth_prepare_packet( device->dummy, next, ( uint8_t * ) device->addr->value, ethertype ))){ |
425 | // release invalid packet |
421 | // release invalid packet |
426 | tmp = pq_detach( next ); |
422 | tmp = pq_detach( next ); |
427 | pq_release( eth_globals.networking_phone, packet_get_id( next )); |
423 | pq_release( eth_globals.net_phone, packet_get_id( next )); |
428 | next = tmp; |
424 | next = tmp; |
429 | }else{ |
425 | }else{ |
430 | next = pq_next( next ); |
426 | next = pq_next( next ); |
431 | } |
427 | } |
432 | }while( next ); |
428 | }while( next ); |
433 | // send packet queue |
429 | // send packet queue |
434 | netif_send_msg( device->phone, device_id, packet, SERVICE_ETHERNET ); |
430 | netif_send_msg( device->phone, device_id, packet, SERVICE_ETHERNET ); |
435 | rwlock_read_unlock( & eth_globals.devices_lock ); |
431 | rwlock_read_unlock( & eth_globals.devices_lock ); |
436 | return EOK; |
432 | return EOK; |
437 | } |
433 | } |
438 | 434 | ||
439 | int nil_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){ |
435 | int nil_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){ |
440 | ERROR_DECLARE; |
436 | ERROR_DECLARE; |
441 | 437 | ||
442 | measured_string_ref address; |
438 | measured_string_ref address; |
443 | packet_t packet; |
439 | packet_t packet; |
444 | 440 | ||
445 | // printf( "\nmessage %d - %d", IPC_GET_METHOD( * call ), NET_NIL_FIRST ); |
441 | // printf( "message %d - %d\n", IPC_GET_METHOD( * call ), NET_NIL_FIRST ); |
446 | * answer_count = 0; |
442 | * answer_count = 0; |
447 | switch( IPC_GET_METHOD( * call )){ |
443 | switch( IPC_GET_METHOD( * call )){ |
448 | case IPC_M_PHONE_HUNGUP: |
444 | case IPC_M_PHONE_HUNGUP: |
449 | return EOK; |
445 | return EOK; |
450 | case NET_NIL_DEVICE: |
446 | case NET_NIL_DEVICE: |
451 | return eth_device_message( IPC_GET_DEVICE( call ), IPC_GET_SERVICE( call ), NIL_GET_MTU( call )); |
447 | return eth_device_message( IPC_GET_DEVICE( call ), IPC_GET_SERVICE( call ), NIL_GET_MTU( call )); |
452 | case NET_NIL_SEND: |
448 | case NET_NIL_SEND: |
453 | ERROR_PROPAGATE( packet_translate( eth_globals.networking_phone, & packet, IPC_GET_PACKET( call ))); |
449 | ERROR_PROPAGATE( packet_translate( eth_globals.net_phone, & packet, IPC_GET_PACKET( call ))); |
454 | return eth_send_message( IPC_GET_DEVICE( call ), packet, IPC_GET_SERVICE( call )); |
450 | return eth_send_message( IPC_GET_DEVICE( call ), packet, IPC_GET_SERVICE( call )); |
455 | case NET_NIL_PACKET_SPACE: |
451 | case NET_NIL_PACKET_SPACE: |
456 | ERROR_PROPAGATE( eth_packet_space_message( IPC_GET_DEVICE( call ), IPC_SET_ADDR( answer ), IPC_SET_PREFIX( answer ), IPC_SET_CONTENT( answer ), IPC_SET_SUFFIX( answer ))); |
452 | ERROR_PROPAGATE( eth_packet_space_message( IPC_GET_DEVICE( call ), IPC_SET_ADDR( answer ), IPC_SET_PREFIX( answer ), IPC_SET_CONTENT( answer ), IPC_SET_SUFFIX( answer ))); |
457 | * answer_count = 3; |
453 | * answer_count = 3; |
458 | return EOK; |
454 | return EOK; |
459 | case NET_NIL_ADDR: |
455 | case NET_NIL_ADDR: |
460 | ERROR_PROPAGATE( eth_addr_message( IPC_GET_DEVICE( call ), ETH_LOCAL_ADDR, & address )); |
456 | ERROR_PROPAGATE( eth_addr_message( IPC_GET_DEVICE( call ), ETH_LOCAL_ADDR, & address )); |
461 | return measured_strings_reply( address, 1 ); |
457 | return measured_strings_reply( address, 1 ); |
462 | case NET_NIL_BROADCAST_ADDR: |
458 | case NET_NIL_BROADCAST_ADDR: |
463 | ERROR_PROPAGATE( eth_addr_message( IPC_GET_DEVICE( call ), ETH_BROADCAST_ADDR, & address )); |
459 | ERROR_PROPAGATE( eth_addr_message( IPC_GET_DEVICE( call ), ETH_BROADCAST_ADDR, & address )); |
464 | return measured_strings_reply( address, 1 ); |
460 | return measured_strings_reply( address, 1 ); |
465 | case IPC_M_CONNECT_TO_ME: |
461 | case IPC_M_CONNECT_TO_ME: |
466 | return nil_register_message( NIL_GET_PROTO( call ), IPC_GET_PHONE( call )); |
462 | return nil_register_message( NIL_GET_PROTO( call ), IPC_GET_PHONE( call )); |
467 | } |
463 | } |
468 | return ENOTSUP; |
464 | return ENOTSUP; |
469 | } |
465 | } |
470 | 466 | ||
471 | void eth_receiver( ipc_callid_t iid, ipc_call_t * icall ){ |
467 | void eth_receiver( ipc_callid_t iid, ipc_call_t * icall ){ |
472 | ERROR_DECLARE; |
468 | ERROR_DECLARE; |
473 | 469 | ||
474 | packet_t packet; |
470 | packet_t packet; |
475 | 471 | ||
476 | while( true ){ |
472 | while( true ){ |
477 | switch( IPC_GET_METHOD( * icall )){ |
473 | switch( IPC_GET_METHOD( * icall )){ |
478 | case NET_NIL_DEVICE_STATE: |
474 | case NET_NIL_DEVICE_STATE: |
479 | nil_device_state_wrapper( IPC_GET_DEVICE( icall ), IPC_GET_STATE( icall )); |
475 | nil_device_state_msg( 0, IPC_GET_DEVICE( icall ), IPC_GET_STATE( icall )); |
480 | ipc_answer_0( iid, EOK ); |
476 | ipc_answer_0( iid, EOK ); |
481 | break; |
477 | break; |
482 | case NET_NIL_RECEIVED: |
478 | case NET_NIL_RECEIVED: |
483 | if( ! ERROR_OCCURRED( packet_translate( eth_globals.networking_phone, & packet, IPC_GET_PACKET( icall )))){ |
479 | if( ! ERROR_OCCURRED( packet_translate( eth_globals.net_phone, & packet, IPC_GET_PACKET( icall )))){ |
484 | ERROR_CODE = nil_receive_wrapper( IPC_GET_DEVICE( icall ), packet ); |
480 | ERROR_CODE = nil_received_msg( 0, IPC_GET_DEVICE( icall ), packet, 0 ); |
485 | } |
481 | } |
486 | ipc_answer_0( iid, ERROR_CODE ); |
482 | ipc_answer_0( iid, ERROR_CODE ); |
487 | break; |
483 | break; |
488 | default: |
484 | default: |
489 | ipc_answer_0( iid, ENOTSUP ); |
485 | ipc_answer_0( iid, ENOTSUP ); |
490 | } |
486 | } |
491 | iid = async_get_call( icall ); |
487 | iid = async_get_call( icall ); |
492 | } |
488 | } |
493 | } |
489 | } |
494 | 490 | ||
495 | /** @} |
491 | /** @} |
496 | */ |
492 | */ |
497 | 493 |