Rev 4271 | Rev 4327 | Go to most recent revision | Only display areas with differences | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
Rev 4271 | Rev 4307 | ||
---|---|---|---|
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 arp |
29 | /** @addtogroup arp |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | 32 | ||
33 | /** @file |
33 | /** @file |
34 | * ARP module implementation. |
34 | * ARP module implementation. |
35 | * @see arp.h |
35 | * @see arp.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 <rwlock.h> |
41 | #include <rwlock.h> |
42 | #include <stdio.h> |
42 | #include <stdio.h> |
- | 43 | #include <task.h> |
|
43 | 44 | ||
44 | #include <ipc/ipc.h> |
45 | #include <ipc/ipc.h> |
45 | #include <ipc/services.h> |
46 | #include <ipc/services.h> |
46 | 47 | ||
47 | #include "../../err.h" |
48 | #include "../../err.h" |
48 | #include "../../messages.h" |
49 | #include "../../messages.h" |
49 | #include "../../modules.h" |
50 | #include "../../modules.h" |
50 | 51 | ||
51 | #include "../../include/byteorder.h" |
52 | #include "../../include/byteorder.h" |
52 | #include "../../include/device.h" |
53 | #include "../../include/device.h" |
53 | #include "../../include/arp_messages.h" |
54 | #include "../../include/arp_interface.h" |
54 | #include "../../include/nil_messages.h" |
55 | #include "../../include/nil_interface.h" |
55 | #include "../../include/protocol_map.h" |
56 | #include "../../include/protocol_map.h" |
56 | 57 | ||
57 | #include "../../structures/measured_strings.h" |
58 | #include "../../structures/measured_strings.h" |
58 | #include "../../structures/packet/packet.h" |
59 | #include "../../structures/packet/packet.h" |
59 | #include "../../structures/packet/packet_client.h" |
60 | #include "../../structures/packet/packet_client.h" |
60 | 61 | ||
- | 62 | #include "../il_messages.h" |
|
- | 63 | ||
61 | #include "arp.h" |
64 | #include "arp.h" |
62 | #include "arp_header.h" |
65 | #include "arp_header.h" |
63 | #include "arp_oc.h" |
66 | #include "arp_oc.h" |
64 | #include "arp_module.h" |
67 | #include "arp_module.h" |
65 | #include "arp_wrappers.h" |
68 | #include "arp_messages.h" |
66 | 69 | ||
67 | /** ARP global data. |
70 | /** ARP global data. |
68 | */ |
71 | */ |
69 | arp_globals_t arp_globals; |
72 | arp_globals_t arp_globals; |
70 | 73 | ||
- | 74 | int arp_device_req( int arp_phone, device_id_t device_id, services_t protocol, services_t netif, measured_string_ref address ); |
|
- | 75 | int arp_translate_req( int arp_phone, device_id_t device_id, services_t protocol, measured_string_ref address, measured_string_ref * translation, char ** data ); |
|
- | 76 | ||
- | 77 | /** Clears the whole cache. |
|
- | 78 | * @returns EOK on success. |
|
- | 79 | */ |
|
- | 80 | int arp_clean_cache_req( int arp_phone ); |
|
- | 81 | ||
- | 82 | /** Clears the device specific data from the cache. |
|
- | 83 | * @param device_id The device identifier. Input parameter. |
|
- | 84 | * @returns EOK on success. |
|
- | 85 | * @returns ENOENT if the device is not found in the cache. |
|
- | 86 | */ |
|
- | 87 | int arp_clear_device_req( int arp_phone, device_id_t device_id ); |
|
- | 88 | ||
71 | /** Creates new protocol specific data. |
89 | /** Creates new protocol specific data. |
72 | * @param proto Protocol specific data. Output parameter. |
90 | * @param proto Protocol specific data. Output parameter. |
73 | * @param service Protocol module service. Input parameter. |
91 | * @param service Protocol module service. Input parameter. |
74 | * @param address Actual protocol device address. Input parameter. |
92 | * @param address Actual protocol device address. Input parameter. |
75 | * @returns EOK on success. |
93 | * @returns EOK on success. |
76 | * @returns ENOMEM if there is not enough memory left. |
94 | * @returns ENOMEM if there is not enough memory left. |
77 | */ |
95 | */ |
78 | int arp_proto_create( arp_proto_ref * proto, services_t service, measured_string_ref address ); |
96 | int arp_proto_create( arp_proto_ref * proto, services_t service, measured_string_ref address ); |
79 | 97 | ||
80 | /** Registers the device. |
98 | /** Registers the device. |
81 | * Creates new device entry in the cache or updates the protocol address if the device with the device identifier and the driver service exists. |
99 | * Creates new device entry in the cache or updates the protocol address if the device with the device identifier and the driver service exists. |
82 | * @param device_id The device identifier. Input parameter. |
100 | * @param device_id The device identifier. Input parameter. |
83 | * @param service The device driver service. Input parameter. |
101 | * @param service The device driver service. Input parameter. |
84 | * @param protocol The protocol service. Input parameter. |
102 | * @param protocol The protocol service. Input parameter. |
85 | * @param address The actual device protocol address. |
103 | * @param address The actual device protocol address. |
86 | * @returns EOK on success. |
104 | * @returns EOK on success. |
87 | * @returns EEXIST if another device with the same device identifier and different driver service exists. |
105 | * @returns EEXIST if another device with the same device identifier and different driver service exists. |
88 | * @returns ENOMEM if there is not enough memory left. |
106 | * @returns ENOMEM if there is not enough memory left. |
89 | * @returns Other error codes as defined for the measured_strings_return() function. |
107 | * @returns Other error codes as defined for the measured_strings_return() function. |
90 | */ |
108 | */ |
91 | int arp_device_message( device_id_t device_id, services_t service, services_t protocol, measured_string_ref address ); |
109 | int arp_device_message( device_id_t device_id, services_t service, services_t protocol, measured_string_ref address ); |
92 | 110 | ||
93 | /** Returns the hardware address for the given protocol address. |
111 | /** Returns the hardware address for the given protocol address. |
94 | * Sends the ARP request packet if the hardware address is not found in the cache. |
112 | * Sends the ARP request packet if the hardware address is not found in the cache. |
95 | * @param device_id The device identifier. Input parameter. |
113 | * @param device_id The device identifier. Input parameter. |
96 | * @param protocol The protocol service. Input parameter. |
114 | * @param protocol The protocol service. Input parameter. |
97 | * @param target The target protocol address. Input parameter. |
115 | * @param target The target protocol address. Input parameter. |
98 | * @returns The hardware address of the target. |
116 | * @returns The hardware address of the target. |
99 | * @returns NULL if the target parameter is NULL. |
117 | * @returns NULL if the target parameter is NULL. |
100 | * @returns NULL if the device is not found. |
118 | * @returns NULL if the device is not found. |
101 | * @returns NULL if the device packet is too small to send a request. |
119 | * @returns NULL if the device packet is too small to send a request. |
102 | * @returns NULL if the hardware address is not found in the cache. |
120 | * @returns NULL if the hardware address is not found in the cache. |
103 | */ |
121 | */ |
104 | measured_string_ref arp_translate_message( device_id_t device_id, services_t protocol, measured_string_ref target ); |
122 | measured_string_ref arp_translate_message( device_id_t device_id, services_t protocol, measured_string_ref target ); |
105 | 123 | ||
106 | /** Processes the received ARP packet. |
124 | /** Processes the received ARP packet. |
107 | * Updates the source hardware address if the source entry exists or the packet is targeted to my protocol address. |
125 | * Updates the source hardware address if the source entry exists or the packet is targeted to my protocol address. |
108 | * Responses to the ARP request if the packet is the ARP request and is targeted to my address. |
126 | * Responses to the ARP request if the packet is the ARP request and is targeted to my address. |
109 | * @param device_id The source device identifier. Input parameter. |
127 | * @param device_id The source device identifier. Input parameter. |
110 | * @param packet The received packet. Input/output parameter. |
128 | * @param packet The received packet. Input/output parameter. |
111 | * @returns EOK on success. |
129 | * @returns EOK on success. |
112 | * @returns EINVAL if the packet is too small to carry the ARP packet. |
130 | * @returns EINVAL if the packet is too small to carry the ARP packet. |
113 | * @returns EINVAL if the received address lengths differs from the registered values. |
131 | * @returns EINVAL if the received address lengths differs from the registered values. |
114 | * @returns ENOENT if the device is not found in the cache. |
132 | * @returns ENOENT if the device is not found in the cache. |
115 | * @returns ENOENT if the protocol for the device is not found in the cache. |
133 | * @returns ENOENT if the protocol for the device is not found in the cache. |
116 | * @returns ENOMEM if there is not enough memory left. |
134 | * @returns ENOMEM if there is not enough memory left. |
117 | */ |
135 | */ |
118 | int arp_receive_message( device_id_t device_id, packet_t packet ); |
136 | int arp_receive_message( device_id_t device_id, packet_t packet ); |
119 | 137 | ||
120 | /** Clears the device specific data. |
138 | /** Clears the device specific data. |
121 | * @param device The device specific data. |
139 | * @param device The device specific data. |
122 | */ |
140 | */ |
123 | void clear_device( arp_device_ref device ); |
141 | void clear_device( arp_device_ref device ); |
124 | 142 | ||
125 | /** Processes IPC messages from the registered device driver modules in an infinite loop. |
143 | /** Processes IPC messages from the registered device driver modules in an infinite loop. |
126 | * @param iid The message identifier. Input parameter. |
144 | * @param iid The message identifier. Input parameter. |
127 | * @param icall The message parameters. Input/output parameter. |
145 | * @param icall The message parameters. Input/output parameter. |
128 | */ |
146 | */ |
129 | void arp_receiver( ipc_callid_t iid, ipc_call_t * icall ); |
147 | void arp_receiver( ipc_callid_t iid, ipc_call_t * icall ); |
130 | 148 | ||
131 | DEVICE_MAP_IMPLEMENT( arp_cache, arp_device_t ) |
149 | DEVICE_MAP_IMPLEMENT( arp_cache, arp_device_t ) |
132 | 150 | ||
133 | INT_MAP_IMPLEMENT( arp_protos, arp_proto_t ) |
151 | INT_MAP_IMPLEMENT( arp_protos, arp_proto_t ) |
134 | 152 | ||
135 | GENERIC_CHAR_MAP_IMPLEMENT( arp_addr, measured_string_t ) |
153 | GENERIC_CHAR_MAP_IMPLEMENT( arp_addr, measured_string_t ) |
136 | 154 | ||
- | 155 | int arp_task_get_id( void ){ |
|
- | 156 | return task_get_id(); |
|
- | 157 | } |
|
- | 158 | ||
137 | int arp_clear_device_wrapper( device_id_t device_id ){ |
159 | int arp_clear_device_req( int arp_phone, device_id_t device_id ){ |
138 | arp_device_ref device; |
160 | arp_device_ref device; |
139 | 161 | ||
140 | rwlock_write_lock( & arp_globals.lock ); |
162 | rwlock_write_lock( & arp_globals.lock ); |
141 | device = arp_cache_find( & arp_globals.cache, device_id ); |
163 | device = arp_cache_find( & arp_globals.cache, device_id ); |
142 | if( ! device ){ |
164 | if( ! device ){ |
143 | rwlock_write_unlock( & arp_globals.lock ); |
165 | rwlock_write_unlock( & arp_globals.lock ); |
144 | return ENOENT; |
166 | return ENOENT; |
145 | } |
167 | } |
146 | clear_device( device ); |
168 | clear_device( device ); |
147 | printf( "\nDevice %d cleared", device_id ); |
169 | printf( "Device %d cleared\n", device_id ); |
148 | rwlock_write_unlock( & arp_globals.lock ); |
170 | rwlock_write_unlock( & arp_globals.lock ); |
149 | return EOK; |
171 | return EOK; |
150 | } |
172 | } |
151 | 173 | ||
152 | int arp_clean_cache_wrapper( void ){ |
174 | int arp_clean_cache_req( int arp_phone ){ |
153 | int count; |
175 | int count; |
154 | arp_device_ref device; |
176 | arp_device_ref device; |
155 | 177 | ||
156 | rwlock_write_lock( & arp_globals.lock ); |
178 | rwlock_write_lock( & arp_globals.lock ); |
157 | for( count = arp_cache_count( & arp_globals.cache ) - 1; count >= 0; -- count ){ |
179 | for( count = arp_cache_count( & arp_globals.cache ) - 1; count >= 0; -- count ){ |
158 | device = arp_cache_get_index( & arp_globals.cache, count ); |
180 | device = arp_cache_get_index( & arp_globals.cache, count ); |
159 | if( device ){ |
181 | if( device ){ |
160 | clear_device( device ); |
182 | clear_device( device ); |
161 | if( device->addr_data ) free( device->addr_data ); |
183 | if( device->addr_data ) free( device->addr_data ); |
162 | if( device->broadcast_data ) free( device->broadcast_data ); |
184 | if( device->broadcast_data ) free( device->broadcast_data ); |
163 | } |
185 | } |
164 | } |
186 | } |
165 | arp_cache_clear( & arp_globals.cache ); |
187 | arp_cache_clear( & arp_globals.cache ); |
166 | rwlock_write_unlock( & arp_globals.lock ); |
188 | rwlock_write_unlock( & arp_globals.lock ); |
167 | printf( "\nCache cleaned" ); |
189 | printf( "Cache cleaned\n" ); |
168 | return EOK; |
190 | return EOK; |
169 | } |
191 | } |
170 | 192 | ||
171 | int arp_device_wrapper( device_id_t device_id, services_t protocol, services_t netif, measured_string_ref address ){ |
193 | int arp_device_req( int arp_phone, device_id_t device_id, services_t protocol, services_t netif, measured_string_ref address ){ |
172 | ERROR_DECLARE; |
194 | ERROR_DECLARE; |
173 | 195 | ||
174 | measured_string_ref tmp; |
196 | measured_string_ref tmp; |
175 | 197 | ||
176 | tmp = measured_string_copy( address ); |
198 | tmp = measured_string_copy( address ); |
177 | if( ERROR_OCCURRED( arp_device_message( device_id, netif, protocol, tmp ))){ |
199 | if( ERROR_OCCURRED( arp_device_message( device_id, netif, protocol, tmp ))){ |
178 | free( tmp->value ); |
200 | free( tmp->value ); |
179 | free( tmp ); |
201 | free( tmp ); |
180 | } |
202 | } |
181 | return ERROR_CODE; |
203 | return ERROR_CODE; |
182 | } |
204 | } |
183 | 205 | ||
184 | int arp_translate_wrapper( device_id_t device_id, services_t protocol, measured_string_ref address, measured_string_ref * translation, char ** data ){ |
206 | int arp_translate_req( int arp_phone, device_id_t device_id, services_t protocol, measured_string_ref address, measured_string_ref * translation, char ** data ){ |
185 | measured_string_ref tmp; |
207 | measured_string_ref tmp; |
186 | 208 | ||
187 | rwlock_read_lock( & arp_globals.lock ); |
209 | rwlock_read_lock( & arp_globals.lock ); |
188 | tmp = arp_translate_message( device_id, protocol, address ); |
210 | tmp = arp_translate_message( device_id, protocol, address ); |
189 | if( tmp ){ |
211 | if( tmp ){ |
190 | * translation = measured_string_copy( tmp ); |
212 | * translation = measured_string_copy( tmp ); |
191 | rwlock_read_unlock( & arp_globals.lock ); |
213 | rwlock_read_unlock( & arp_globals.lock ); |
192 | if( * translation ){ |
214 | if( * translation ){ |
193 | * data = ( ** translation ).value; |
215 | * data = ( ** translation ).value; |
194 | return EOK; |
216 | return EOK; |
195 | }else{ |
217 | }else{ |
196 | return ENOMEM; |
218 | return ENOMEM; |
197 | } |
219 | } |
198 | }else{ |
220 | }else{ |
199 | rwlock_read_unlock( & arp_globals.lock ); |
221 | rwlock_read_unlock( & arp_globals.lock ); |
200 | return ENOENT; |
222 | return ENOENT; |
201 | } |
223 | } |
202 | } |
224 | } |
203 | 225 | ||
204 | int arp_initialize( void ){ |
226 | int arp_initialize( void ){ |
205 | ERROR_DECLARE; |
227 | ERROR_DECLARE; |
206 | 228 | ||
207 | rwlock_initialize( & arp_globals.lock ); |
229 | rwlock_initialize( & arp_globals.lock ); |
208 | rwlock_write_lock( & arp_globals.lock ); |
230 | rwlock_write_lock( & arp_globals.lock ); |
209 | ERROR_PROPAGATE( arp_cache_initialize( & arp_globals.cache )); |
231 | ERROR_PROPAGATE( arp_cache_initialize( & arp_globals.cache )); |
210 | rwlock_write_unlock( & arp_globals.lock ); |
232 | rwlock_write_unlock( & arp_globals.lock ); |
211 | return EOK; |
233 | return EOK; |
212 | } |
234 | } |
213 | 235 | ||
214 | int arp_proto_create( arp_proto_ref * proto, services_t service, measured_string_ref address ){ |
236 | int arp_proto_create( arp_proto_ref * proto, services_t service, measured_string_ref address ){ |
215 | ERROR_DECLARE; |
237 | ERROR_DECLARE; |
216 | 238 | ||
217 | * proto = ( arp_proto_ref ) malloc( sizeof( arp_proto_t )); |
239 | * proto = ( arp_proto_ref ) malloc( sizeof( arp_proto_t )); |
218 | if( !( * proto )) return ENOMEM; |
240 | if( !( * proto )) return ENOMEM; |
219 | ( ** proto ).service = service; |
241 | ( ** proto ).service = service; |
220 | ( ** proto ).addr = address; |
242 | ( ** proto ).addr = address; |
221 | ( ** proto ).addr_data = address->value; |
243 | ( ** proto ).addr_data = address->value; |
222 | if( ERROR_OCCURRED( arp_addr_initialize( &( ** proto).addresses ))){ |
244 | if( ERROR_OCCURRED( arp_addr_initialize( &( ** proto).addresses ))){ |
223 | free( * proto ); |
245 | free( * proto ); |
224 | return ERROR_CODE; |
246 | return ERROR_CODE; |
225 | } |
247 | } |
226 | return EOK; |
248 | return EOK; |
227 | } |
249 | } |
228 | 250 | ||
229 | int arp_device_message( device_id_t device_id, services_t service, services_t protocol, measured_string_ref address ){ |
251 | int arp_device_message( device_id_t device_id, services_t service, services_t protocol, measured_string_ref address ){ |
230 | ERROR_DECLARE; |
252 | ERROR_DECLARE; |
231 | 253 | ||
232 | arp_device_ref device; |
254 | arp_device_ref device; |
233 | arp_proto_ref proto; |
255 | arp_proto_ref proto; |
234 | int index; |
256 | int index; |
235 | 257 | ||
236 | rwlock_write_lock( & arp_globals.lock ); |
258 | rwlock_write_lock( & arp_globals.lock ); |
237 | // an existing device? |
259 | // an existing device? |
238 | device = arp_cache_find( & arp_globals.cache, device_id ); |
260 | device = arp_cache_find( & arp_globals.cache, device_id ); |
239 | if( device ){ |
261 | if( device ){ |
240 | if( device->service != service ){ |
262 | if( device->service != service ){ |
241 | printf( "\nDevice %d already exists", device->device_id ); |
263 | printf( "Device %d already exists\n", device->device_id ); |
242 | rwlock_write_unlock( & arp_globals.lock ); |
264 | rwlock_write_unlock( & arp_globals.lock ); |
243 | return EEXIST; |
265 | return EEXIST; |
244 | } |
266 | } |
245 | proto = arp_protos_find( & device->protos, protocol ); |
267 | proto = arp_protos_find( & device->protos, protocol ); |
246 | if( proto ){ |
268 | if( proto ){ |
247 | free( proto->addr ); |
269 | free( proto->addr ); |
248 | free( proto->addr_data ); |
270 | free( proto->addr_data ); |
249 | proto->addr = address; |
271 | proto->addr = address; |
250 | proto->addr_data = address->value; |
272 | proto->addr_data = address->value; |
251 | }else{ |
273 | }else{ |
252 | if( ERROR_OCCURRED( arp_proto_create( & proto, protocol, address ))){ |
274 | if( ERROR_OCCURRED( arp_proto_create( & proto, protocol, address ))){ |
253 | rwlock_write_unlock( & arp_globals.lock ); |
275 | rwlock_write_unlock( & arp_globals.lock ); |
254 | return ERROR_CODE; |
276 | return ERROR_CODE; |
255 | } |
277 | } |
256 | index = arp_protos_add( & device->protos, proto->service, proto ); |
278 | index = arp_protos_add( & device->protos, proto->service, proto ); |
257 | if( index < 0 ){ |
279 | if( index < 0 ){ |
258 | rwlock_write_unlock( & arp_globals.lock ); |
280 | rwlock_write_unlock( & arp_globals.lock ); |
259 | free( proto ); |
281 | free( proto ); |
260 | return index; |
282 | return index; |
261 | } |
283 | } |
262 | } |
284 | } |
263 | printf( "\nCache of the existing device %d cleaned", device->device_id ); |
285 | printf( "Cache of the existing device %d cleaned\n", device->device_id ); |
264 | }else{ |
286 | }else{ |
265 | index = hardware_map( service ); |
287 | index = hardware_map( service ); |
266 | if( ! index ) return ENOENT; |
288 | if( ! index ) return ENOENT; |
267 | // create a new device |
289 | // create a new device |
268 | device = ( arp_device_ref ) malloc( sizeof( arp_device_t )); |
290 | device = ( arp_device_ref ) malloc( sizeof( arp_device_t )); |
269 | if( ! device ){ |
291 | if( ! device ){ |
270 | rwlock_write_unlock( & arp_globals.lock ); |
292 | rwlock_write_unlock( & arp_globals.lock ); |
271 | return ENOMEM; |
293 | return ENOMEM; |
272 | } |
294 | } |
273 | device->hardware = index; |
295 | device->hardware = index; |
274 | device->device_id = device_id; |
296 | device->device_id = device_id; |
275 | if( ERROR_OCCURRED( arp_protos_initialize( & device->protos )) |
297 | if( ERROR_OCCURRED( arp_protos_initialize( & device->protos )) |
276 | || ERROR_OCCURRED( arp_proto_create( & proto, protocol, address ))){ |
298 | || ERROR_OCCURRED( arp_proto_create( & proto, protocol, address ))){ |
277 | rwlock_write_unlock( & arp_globals.lock ); |
299 | rwlock_write_unlock( & arp_globals.lock ); |
278 | free( device ); |
300 | free( device ); |
279 | return ERROR_CODE; |
301 | return ERROR_CODE; |
280 | } |
302 | } |
281 | index = arp_protos_add( & device->protos, proto->service, proto ); |
303 | index = arp_protos_add( & device->protos, proto->service, proto ); |
282 | if( index < 0 ){ |
304 | if( index < 0 ){ |
283 | rwlock_write_unlock( & arp_globals.lock ); |
305 | rwlock_write_unlock( & arp_globals.lock ); |
284 | arp_protos_destroy( & device->protos ); |
306 | arp_protos_destroy( & device->protos ); |
285 | free( device ); |
307 | free( device ); |
286 | return index; |
308 | return index; |
287 | } |
309 | } |
288 | device->service = service; |
310 | device->service = service; |
289 | // bind the new one |
311 | // bind the new one |
290 | device->phone = bind_service( device->service, device->device_id, SERVICE_ARP, 0, arp_receiver ); |
312 | device->phone = bind_service( device->service, device->device_id, SERVICE_ARP, 0, arp_receiver ); |
291 | if( device->phone < 0 ){ |
313 | if( device->phone < 0 ){ |
292 | rwlock_write_unlock( & arp_globals.lock ); |
314 | rwlock_write_unlock( & arp_globals.lock ); |
293 | arp_protos_destroy( & device->protos ); |
315 | arp_protos_destroy( & device->protos ); |
294 | free( device ); |
316 | free( device ); |
295 | return EREFUSED; |
317 | return EREFUSED; |
296 | } |
318 | } |
297 | // get packet dimensions |
319 | // get packet dimensions |
298 | if( ERROR_OCCURRED( nil_packet_size_req( device->phone, device_id, & device->addr_len, & device->prefix, & device->content, & device->suffix ))){ |
320 | if( ERROR_OCCURRED( nil_packet_size_req( device->phone, device_id, & device->addr_len, & device->prefix, & device->content, & device->suffix ))){ |
299 | rwlock_write_unlock( & arp_globals.lock ); |
321 | rwlock_write_unlock( & arp_globals.lock ); |
300 | arp_protos_destroy( & device->protos ); |
322 | arp_protos_destroy( & device->protos ); |
301 | free( device ); |
323 | free( device ); |
302 | return ERROR_CODE; |
324 | return ERROR_CODE; |
303 | } |
325 | } |
304 | // get hardware address |
326 | // get hardware address |
305 | if( ERROR_OCCURRED( nil_get_addr( device->phone, device_id, & device->addr, & device->addr_data ))){ |
327 | if( ERROR_OCCURRED( nil_get_addr( device->phone, device_id, & device->addr, & device->addr_data ))){ |
306 | rwlock_write_unlock( & arp_globals.lock ); |
328 | rwlock_write_unlock( & arp_globals.lock ); |
307 | arp_protos_destroy( & device->protos ); |
329 | arp_protos_destroy( & device->protos ); |
308 | free( device ); |
330 | free( device ); |
309 | return ERROR_CODE; |
331 | return ERROR_CODE; |
310 | } |
332 | } |
311 | // get broadcast address |
333 | // get broadcast address |
312 | if( ERROR_OCCURRED( nil_get_broadcast_addr( device->phone, device_id, & device->broadcast_addr, & device->broadcast_data ))){ |
334 | if( ERROR_OCCURRED( nil_get_broadcast_addr( device->phone, device_id, & device->broadcast_addr, & device->broadcast_data ))){ |
313 | rwlock_write_unlock( & arp_globals.lock ); |
335 | rwlock_write_unlock( & arp_globals.lock ); |
314 | free( device->addr ); |
336 | free( device->addr ); |
315 | free( device->addr_data ); |
337 | free( device->addr_data ); |
316 | arp_protos_destroy( & device->protos ); |
338 | arp_protos_destroy( & device->protos ); |
317 | free( device ); |
339 | free( device ); |
318 | return ERROR_CODE; |
340 | return ERROR_CODE; |
319 | } |
341 | } |
320 | if( ERROR_OCCURRED( arp_cache_add( & arp_globals.cache, device->device_id, device ))){ |
342 | if( ERROR_OCCURRED( arp_cache_add( & arp_globals.cache, device->device_id, device ))){ |
321 | rwlock_write_unlock( & arp_globals.lock ); |
343 | rwlock_write_unlock( & arp_globals.lock ); |
322 | free( device->addr ); |
344 | free( device->addr ); |
323 | free( device->addr_data ); |
345 | free( device->addr_data ); |
324 | free( device->broadcast_addr ); |
346 | free( device->broadcast_addr ); |
325 | free( device->broadcast_data ); |
347 | free( device->broadcast_data ); |
326 | arp_protos_destroy( & device->protos ); |
348 | arp_protos_destroy( & device->protos ); |
327 | free( device ); |
349 | free( device ); |
328 | return ERROR_CODE; |
350 | return ERROR_CODE; |
329 | } |
351 | } |
330 | printf( "\nNew device registered:\n\tid\t= %d\n\ttype\t= 0x%x\n\tservice\t= %d", device->device_id, device->hardware, device->service ); |
352 | printf( "New device registered:\n\tid\t= %d\n\ttype\t= 0x%x\n\tservice\t= %d\n", device->device_id, device->hardware, device->service ); |
331 | } |
353 | } |
332 | rwlock_write_unlock( & arp_globals.lock ); |
354 | rwlock_write_unlock( & arp_globals.lock ); |
333 | return EOK; |
355 | return EOK; |
334 | } |
356 | } |
335 | 357 | ||
336 | measured_string_ref arp_translate_message( device_id_t device_id, services_t protocol, measured_string_ref target ){ |
358 | measured_string_ref arp_translate_message( device_id_t device_id, services_t protocol, measured_string_ref target ){ |
337 | arp_device_ref device; |
359 | arp_device_ref device; |
338 | arp_proto_ref proto; |
360 | arp_proto_ref proto; |
339 | measured_string_ref addr; |
361 | measured_string_ref addr; |
340 | size_t length; |
362 | size_t length; |
341 | packet_t packet; |
363 | packet_t packet; |
342 | arp_header_ref header; |
364 | arp_header_ref header; |
343 | 365 | ||
344 | if( ! target ) return NULL; |
366 | if( ! target ) return NULL; |
345 | device = arp_cache_find( & arp_globals.cache, device_id ); |
367 | device = arp_cache_find( & arp_globals.cache, device_id ); |
346 | if( ! device ) return NULL; |
368 | if( ! device ) return NULL; |
347 | proto = arp_protos_find( & device->protos, protocol ); |
369 | proto = arp_protos_find( & device->protos, protocol ); |
348 | if(( ! proto ) || ( proto->addr->length != target->length )) return NULL; |
370 | if(( ! proto ) || ( proto->addr->length != target->length )) return NULL; |
349 | addr = arp_addr_find( & proto->addresses, target->value, target->length ); |
371 | addr = arp_addr_find( & proto->addresses, target->value, target->length ); |
350 | if( addr ) return addr; |
372 | if( addr ) return addr; |
351 | // ARP packet content size = header + ( address + translation ) * 2 |
373 | // ARP packet content size = header + ( address + translation ) * 2 |
352 | length = 8 + ( CONVERT_SIZE( char, uint8_t, proto->addr->length ) + CONVERT_SIZE( char, uint8_t, device->addr->length )) * 2; |
374 | length = 8 + ( CONVERT_SIZE( char, uint8_t, proto->addr->length ) + CONVERT_SIZE( char, uint8_t, device->addr->length )) * 2; |
353 | if( length > device->content ) return NULL; |
375 | if( length > device->content ) return NULL; |
354 | packet = packet_get_4( arp_globals.networking_phone, device->addr_len, device->prefix, length, device->suffix ); |
376 | packet = packet_get_4( arp_globals.net_phone, device->addr_len, device->prefix, length, device->suffix ); |
355 | if( ! packet ) return NULL; |
377 | if( ! packet ) return NULL; |
356 | header = ( arp_header_ref ) packet_suffix( packet, length ); |
378 | header = ( arp_header_ref ) packet_suffix( packet, length ); |
357 | header->hardware = htons( device->hardware ); |
379 | header->hardware = htons( device->hardware ); |
358 | header->hardware_length = device->addr->length; |
380 | header->hardware_length = device->addr->length; |
359 | header->protocol = htons( protocol_map( device->service, protocol )); |
381 | header->protocol = htons( protocol_map( device->service, protocol )); |
360 | header->protocol_length = proto->addr->length; |
382 | header->protocol_length = proto->addr->length; |
361 | header->operation = htons( ARPOP_REQUEST ); |
383 | header->operation = htons( ARPOP_REQUEST ); |
362 | length = sizeof( arp_header_t ); |
384 | length = sizeof( arp_header_t ); |
363 | memcpy((( uint8_t * ) header ) + length, device->addr->value, device->addr->length ); |
385 | memcpy((( uint8_t * ) header ) + length, device->addr->value, device->addr->length ); |
364 | length += device->addr->length; |
386 | length += device->addr->length; |
365 | memcpy((( uint8_t * ) header ) + length, proto->addr->value, proto->addr->length ); |
387 | memcpy((( uint8_t * ) header ) + length, proto->addr->value, proto->addr->length ); |
366 | length += proto->addr->length; |
388 | length += proto->addr->length; |
367 | bzero((( uint8_t * ) header ) + length, device->addr->length ); |
389 | bzero((( uint8_t * ) header ) + length, device->addr->length ); |
368 | length += device->addr->length; |
390 | length += device->addr->length; |
369 | memcpy((( uint8_t * ) header ) + length, target->value, target->length ); |
391 | memcpy((( uint8_t * ) header ) + length, target->value, target->length ); |
370 | packet_set_addr( packet, ( uint8_t * ) device->addr->value, ( uint8_t * ) device->broadcast_addr->value, CONVERT_SIZE( char, uint8_t, device->addr->length )); |
392 | packet_set_addr( packet, ( uint8_t * ) device->addr->value, ( uint8_t * ) device->broadcast_addr->value, CONVERT_SIZE( char, uint8_t, device->addr->length )); |
371 | nil_send_msg( device->phone, device_id, packet, SERVICE_ARP ); |
393 | nil_send_msg( device->phone, device_id, packet, SERVICE_ARP ); |
372 | return NULL; |
394 | return NULL; |
373 | } |
395 | } |
374 | 396 | ||
375 | int arp_receive_message( device_id_t device_id, packet_t packet ){ |
397 | int arp_receive_message( device_id_t device_id, packet_t packet ){ |
376 | ERROR_DECLARE; |
398 | ERROR_DECLARE; |
377 | 399 | ||
378 | size_t length; |
400 | size_t length; |
379 | arp_header_ref header; |
401 | arp_header_ref header; |
380 | arp_device_ref device; |
402 | arp_device_ref device; |
381 | arp_proto_ref proto; |
403 | arp_proto_ref proto; |
382 | measured_string_ref hw_source; |
404 | measured_string_ref hw_source; |
383 | uint8_t * src_hw; |
405 | uint8_t * src_hw; |
384 | uint8_t * src_proto; |
406 | uint8_t * src_proto; |
385 | uint8_t * des_hw; |
407 | uint8_t * des_hw; |
386 | uint8_t * des_proto; |
408 | uint8_t * des_proto; |
387 | 409 | ||
388 | length = packet_get_data_length( packet ); |
410 | length = packet_get_data_length( packet ); |
389 | if( length <= sizeof( arp_header_t )) return EINVAL; |
411 | if( length <= sizeof( arp_header_t )) return EINVAL; |
390 | device = arp_cache_find( & arp_globals.cache, device_id ); |
412 | device = arp_cache_find( & arp_globals.cache, device_id ); |
391 | if( ! device ) return ENOENT; |
413 | if( ! device ) return ENOENT; |
392 | header = ( arp_header_ref ) packet_get_data( packet ); |
414 | header = ( arp_header_ref ) packet_get_data( packet ); |
393 | if(( ntohs( header->hardware ) != device->hardware ) |
415 | if(( ntohs( header->hardware ) != device->hardware ) |
394 | || ( length < sizeof( arp_header_t ) + ( header->hardware_length + header->protocol_length ) * 2 )){ |
416 | || ( length < sizeof( arp_header_t ) + ( header->hardware_length + header->protocol_length ) * 2 )){ |
395 | return EINVAL; |
417 | return EINVAL; |
396 | } |
418 | } |
397 | proto = arp_protos_find( & device->protos, protocol_unmap( device->service, ntohs( header->protocol ))); |
419 | proto = arp_protos_find( & device->protos, protocol_unmap( device->service, ntohs( header->protocol ))); |
398 | if( ! proto ) return ENOENT; |
420 | if( ! proto ) return ENOENT; |
399 | src_hw = (( uint8_t * ) header ) + sizeof( arp_header_t ); |
421 | src_hw = (( uint8_t * ) header ) + sizeof( arp_header_t ); |
400 | src_proto = src_hw + header->hardware_length; |
422 | src_proto = src_hw + header->hardware_length; |
401 | des_hw = src_proto + header->protocol_length; |
423 | des_hw = src_proto + header->protocol_length; |
402 | des_proto = des_hw + header->hardware_length; |
424 | des_proto = des_hw + header->hardware_length; |
403 | hw_source = arp_addr_find( & proto->addresses, ( char * ) src_proto, CONVERT_SIZE( uint8_t, char, header->protocol_length )); |
425 | hw_source = arp_addr_find( & proto->addresses, ( char * ) src_proto, CONVERT_SIZE( uint8_t, char, header->protocol_length )); |
404 | // exists? |
426 | // exists? |
405 | if( hw_source ){ |
427 | if( hw_source ){ |
406 | if( hw_source->length != CONVERT_SIZE( uint8_t, char, header->hardware_length )){ |
428 | if( hw_source->length != CONVERT_SIZE( uint8_t, char, header->hardware_length )){ |
407 | return EINVAL; |
429 | return EINVAL; |
408 | } |
430 | } |
409 | memcpy( hw_source->value, src_hw, hw_source->length ); |
431 | memcpy( hw_source->value, src_hw, hw_source->length ); |
410 | } |
432 | } |
411 | // is my protocol address? |
433 | // is my protocol address? |
412 | if( proto->addr->length != CONVERT_SIZE( uint8_t, char, header->hardware_length )){ |
434 | if( proto->addr->length != CONVERT_SIZE( uint8_t, char, header->hardware_length )){ |
413 | return EINVAL; |
435 | return EINVAL; |
414 | } |
436 | } |
415 | if( ! strncmp( proto->addr->value, ( char * ) des_proto, proto->addr->length )){ |
437 | if( ! strncmp( proto->addr->value, ( char * ) des_proto, proto->addr->length )){ |
416 | // not already upadted? |
438 | // not already upadted? |
417 | if( ! hw_source ){ |
439 | if( ! hw_source ){ |
418 | hw_source = measured_string_create_bulk(( char * ) src_hw, CONVERT_SIZE( uint8_t, char, header->hardware_length )); |
440 | hw_source = measured_string_create_bulk(( char * ) src_hw, CONVERT_SIZE( uint8_t, char, header->hardware_length )); |
419 | if( ! hw_source ) return ENOMEM; |
441 | if( ! hw_source ) return ENOMEM; |
420 | ERROR_PROPAGATE( arp_addr_add( & proto->addresses, ( char * ) src_proto, CONVERT_SIZE( uint8_t, char, header->protocol_length ), hw_source )); |
442 | ERROR_PROPAGATE( arp_addr_add( & proto->addresses, ( char * ) src_proto, CONVERT_SIZE( uint8_t, char, header->protocol_length ), hw_source )); |
421 | } |
443 | } |
422 | if( ntohs( header->operation ) == ARPOP_REQUEST ){ |
444 | if( ntohs( header->operation ) == ARPOP_REQUEST ){ |
423 | header->operation = htons( ARPOP_REPLY ); |
445 | header->operation = htons( ARPOP_REPLY ); |
424 | memcpy( des_proto, src_proto, header->protocol_length ); |
446 | memcpy( des_proto, src_proto, header->protocol_length ); |
425 | memcpy( src_proto, proto->addr->value, header->protocol_length ); |
447 | memcpy( src_proto, proto->addr->value, header->protocol_length ); |
426 | memcpy( src_hw, des_hw, header->hardware_length ); |
448 | memcpy( src_hw, des_hw, header->hardware_length ); |
427 | memcpy( des_hw, hw_source->value, header->hardware_length ); |
449 | memcpy( des_hw, hw_source->value, header->hardware_length ); |
428 | packet_set_addr( packet, src_hw, des_hw, header->hardware_length ); |
450 | packet_set_addr( packet, src_hw, des_hw, header->hardware_length ); |
429 | nil_send_msg( device->phone, device_id, packet, SERVICE_ARP ); |
451 | nil_send_msg( device->phone, device_id, packet, SERVICE_ARP ); |
430 | }else{ |
452 | }else{ |
431 | pq_release( arp_globals.networking_phone, packet_get_id( packet )); |
453 | pq_release( arp_globals.net_phone, packet_get_id( packet )); |
432 | } |
454 | } |
433 | } |
455 | } |
434 | return EOK; |
456 | return EOK; |
435 | } |
457 | } |
436 | 458 | ||
437 | void clear_device( arp_device_ref device ){ |
459 | void clear_device( arp_device_ref device ){ |
438 | int count; |
460 | int count; |
439 | arp_proto_ref proto; |
461 | arp_proto_ref proto; |
440 | 462 | ||
441 | for( count = arp_protos_count( & device->protos ) - 1; count >= 0; -- count ){ |
463 | for( count = arp_protos_count( & device->protos ) - 1; count >= 0; -- count ){ |
442 | proto = arp_protos_get_index( & device->protos, count ); |
464 | proto = arp_protos_get_index( & device->protos, count ); |
443 | if( proto ){ |
465 | if( proto ){ |
444 | if( proto->addr ) free( proto->addr ); |
466 | if( proto->addr ) free( proto->addr ); |
445 | if( proto->addr_data ) free( proto->addr_data ); |
467 | if( proto->addr_data ) free( proto->addr_data ); |
446 | arp_addr_destroy( & proto->addresses ); |
468 | arp_addr_destroy( & proto->addresses ); |
447 | } |
469 | } |
448 | } |
470 | } |
449 | arp_protos_clear( & device->protos ); |
471 | arp_protos_clear( & device->protos ); |
450 | } |
472 | } |
451 | 473 | ||
- | 474 | int arp_connect_module( services_t service ){ |
|
- | 475 | return EOK; |
|
- | 476 | } |
|
- | 477 | ||
452 | int arp_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){ |
478 | int arp_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){ |
453 | ERROR_DECLARE; |
479 | ERROR_DECLARE; |
454 | 480 | ||
455 | measured_string_ref address; |
481 | measured_string_ref address; |
456 | measured_string_ref translation; |
482 | measured_string_ref translation; |
457 | char * data; |
483 | char * data; |
458 | 484 | ||
459 | // printf( "\nmessage %d - %d", IPC_GET_METHOD( * call ), NET_ARP_FIRST ); |
485 | // printf( "message %d - %d\n", IPC_GET_METHOD( * call ), NET_ARP_FIRST ); |
460 | * answer_count = 0; |
486 | * answer_count = 0; |
461 | switch( IPC_GET_METHOD( * call )){ |
487 | switch( IPC_GET_METHOD( * call )){ |
462 | case IPC_M_PHONE_HUNGUP: |
488 | case IPC_M_PHONE_HUNGUP: |
463 | return EOK; |
489 | return EOK; |
464 | case NET_ARP_DEVICE: |
490 | case NET_ARP_DEVICE: |
465 | ERROR_PROPAGATE( measured_strings_receive( & address, & data, 1 )); |
491 | ERROR_PROPAGATE( measured_strings_receive( & address, & data, 1 )); |
466 | if( ERROR_OCCURRED( arp_device_message( IPC_GET_DEVICE( call ), IPC_GET_SERVICE( call ), ARP_GET_PROTO( call ), address ))){ |
492 | if( ERROR_OCCURRED( arp_device_message( IPC_GET_DEVICE( call ), IPC_GET_SERVICE( call ), ARP_GET_NETIF( call ), address ))){ |
467 | free( address ); |
493 | free( address ); |
468 | free( data ); |
494 | free( data ); |
469 | } |
495 | } |
470 | return ERROR_CODE; |
496 | return ERROR_CODE; |
471 | case NET_ARP_TRANSLATE: |
497 | case NET_ARP_TRANSLATE: |
472 | ERROR_PROPAGATE( measured_strings_receive( & address, & data, 1 )); |
498 | ERROR_PROPAGATE( measured_strings_receive( & address, & data, 1 )); |
473 | rwlock_read_lock( & arp_globals.lock ); |
499 | rwlock_read_lock( & arp_globals.lock ); |
474 | translation = arp_translate_message( IPC_GET_DEVICE( call ), ARP_GET_PROTO( call ), address ); |
500 | translation = arp_translate_message( IPC_GET_DEVICE( call ), IPC_GET_SERVICE( call ), address ); |
475 | free( address ); |
501 | free( address ); |
476 | free( data ); |
502 | free( data ); |
477 | if( ! translation ){ |
503 | if( ! translation ){ |
478 | rwlock_read_unlock( & arp_globals.lock ); |
504 | rwlock_read_unlock( & arp_globals.lock ); |
479 | return ENOENT; |
505 | return ENOENT; |
480 | } |
506 | } |
481 | ERROR_CODE = measured_strings_reply( translation, 1 ); |
507 | ERROR_CODE = measured_strings_reply( translation, 1 ); |
482 | rwlock_read_unlock( & arp_globals.lock ); |
508 | rwlock_read_unlock( & arp_globals.lock ); |
483 | return ERROR_CODE; |
509 | return ERROR_CODE; |
484 | case NET_ARP_CLEAR_DEVICE: |
510 | case NET_ARP_CLEAR_DEVICE: |
485 | return arp_clear_device_wrapper( IPC_GET_DEVICE( call )); |
511 | return arp_clear_device_req( 0, IPC_GET_DEVICE( call )); |
486 | case NET_ARP_CLEAN_CACHE: |
512 | case NET_ARP_CLEAN_CACHE: |
487 | return arp_clean_cache_wrapper(); |
513 | return arp_clean_cache_req( 0 ); |
488 | } |
514 | } |
489 | return ENOTSUP; |
515 | return ENOTSUP; |
490 | } |
516 | } |
491 | 517 | ||
492 | void arp_receiver( ipc_callid_t iid, ipc_call_t * icall ){ |
518 | void arp_receiver( ipc_callid_t iid, ipc_call_t * icall ){ |
493 | ERROR_DECLARE; |
519 | ERROR_DECLARE; |
494 | 520 | ||
495 | packet_t packet; |
521 | packet_t packet; |
496 | 522 | ||
497 | while( true ){ |
523 | while( true ){ |
498 | switch( IPC_GET_METHOD( * icall )){ |
524 | switch( IPC_GET_METHOD( * icall )){ |
499 | case NET_IL_DEVICE_STATE: |
525 | case NET_IL_DEVICE_STATE: |
500 | // do nothing - keep the cache |
526 | // do nothing - keep the cache |
501 | ipc_answer_0( iid, EOK ); |
527 | ipc_answer_0( iid, EOK ); |
502 | break; |
528 | break; |
503 | case NET_IL_RECEIVED: |
529 | case NET_IL_RECEIVED: |
504 | if( ! ERROR_OCCURRED( packet_translate( arp_globals.networking_phone, & packet, IPC_GET_PACKET( icall )))){ |
530 | if( ! ERROR_OCCURRED( packet_translate( arp_globals.net_phone, & packet, IPC_GET_PACKET( icall )))){ |
505 | rwlock_read_lock( & arp_globals.lock ); |
531 | rwlock_read_lock( & arp_globals.lock ); |
506 | ERROR_CODE = arp_receive_message( IPC_GET_DEVICE( icall ), packet ); |
532 | ERROR_CODE = arp_receive_message( IPC_GET_DEVICE( icall ), packet ); |
507 | rwlock_read_unlock( & arp_globals.lock ); |
533 | rwlock_read_unlock( & arp_globals.lock ); |
508 | } |
534 | } |
509 | ipc_answer_0( iid, ERROR_CODE ); |
535 | ipc_answer_0( iid, ERROR_CODE ); |
510 | break; |
536 | break; |
511 | default: |
537 | default: |
512 | ipc_answer_0( iid, ENOTSUP ); |
538 | ipc_answer_0( iid, ENOTSUP ); |
513 | } |
539 | } |
514 | iid = async_get_call( icall ); |
540 | iid = async_get_call( icall ); |
515 | } |
541 | } |
516 | } |
542 | } |
517 | 543 | ||
518 | /** @} |
544 | /** @} |
519 | */ |
545 | */ |
520 | 546 |