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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 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 | 43 | ||
44 | #include <ipc/ipc.h> |
44 | #include <ipc/ipc.h> |
45 | #include <ipc/services.h> |
45 | #include <ipc/services.h> |
46 | 46 | ||
47 | #include "../../err.h" |
47 | #include "../../err.h" |
48 | #include "../../messages.h" |
48 | #include "../../messages.h" |
49 | #include "../../modules.h" |
49 | #include "../../modules.h" |
50 | 50 | ||
51 | #include "../../include/byteorder.h" |
51 | #include "../../include/byteorder.h" |
52 | #include "../../include/device.h" |
52 | #include "../../include/device.h" |
- | 53 | #include "../../include/nil_messages.h" |
|
53 | #include "../../include/protocol_map.h" |
54 | #include "../../include/protocol_map.h" |
54 | 55 | ||
55 | #include "../../structures/measured_strings.h" |
56 | #include "../../structures/measured_strings.h" |
56 | #include "../../structures/packet/packet.h" |
57 | #include "../../structures/packet/packet.h" |
57 | #include "../../structures/packet/packet_client.h" |
58 | #include "../../structures/packet/packet_client.h" |
58 | 59 | ||
59 | #include "arp.h" |
60 | #include "arp.h" |
60 | #include "arp_header.h" |
61 | #include "arp_header.h" |
61 | #include "arp_oc.h" |
62 | #include "arp_oc.h" |
62 | //#include "arp_messages.h" |
63 | //#include "arp_messages.h" |
63 | #include "arp_module.h" |
64 | #include "arp_module.h" |
64 | 65 | ||
65 | /** Returns the device identifier message parameter. |
- | |
66 | */ |
- | |
67 | #define IPC_GET_DEVICE( call ) ( device_id_t ) IPC_GET_ARG1( * call ) |
- | |
68 | - | ||
69 | /** Returns the packet identifier message parameter. |
- | |
70 | */ |
- | |
71 | #define IPC_GET_PACKET( call ) ( packet_id_t ) IPC_GET_ARG2( * call ) |
- | |
72 | - | ||
73 | /** Returns the protocol service message parameter. |
66 | /** Returns the protocol service message parameter. |
74 | */ |
67 | */ |
75 | #define IPC_GET_PROTO( call ) ( services_t ) IPC_GET_ARG2( * call ) |
68 | #define ARP_GET_PROTO( call ) ( services_t ) IPC_GET_ARG2( * call ) |
76 | - | ||
77 | /** Returns the device driver service message parameter. |
- | |
78 | */ |
- | |
79 | #define IPC_GET_SERVICE( call ) ( services_t ) IPC_GET_ARG3( * call ) |
- | |
80 | 69 | ||
81 | /** ARP global data. |
70 | /** ARP global data. |
82 | */ |
71 | */ |
83 | arp_globals_t arp_globals; |
72 | arp_globals_t arp_globals; |
84 | 73 | ||
85 | /** Creates new protocol specific data. |
74 | /** Creates new protocol specific data. |
86 | * @param proto Protocol specific data. Output parameter. |
75 | * @param proto Protocol specific data. Output parameter. |
87 | * @param service Protocol module service. Input parameter. |
76 | * @param service Protocol module service. Input parameter. |
88 | * @param address Actual protocol device address. Input parameter. |
77 | * @param address Actual protocol device address. Input parameter. |
89 | * @returns EOK on success. |
78 | * @returns EOK on success. |
90 | * @returns ENOMEM if there is not enough memory left. |
79 | * @returns ENOMEM if there is not enough memory left. |
91 | */ |
80 | */ |
92 | int arp_proto_create( arp_proto_ref * proto, services_t service, measured_string_ref address ); |
81 | int arp_proto_create( arp_proto_ref * proto, services_t service, measured_string_ref address ); |
93 | 82 | ||
94 | /** Registers the device. |
83 | /** Registers the device. |
95 | * Creates new device entry in the cache or updates the protocol address if the device with the device identifier and the driver service exists. |
84 | * Creates new device entry in the cache or updates the protocol address if the device with the device identifier and the driver service exists. |
96 | * @param device_id The device identifier. Input parameter. |
85 | * @param device_id The device identifier. Input parameter. |
97 | * @param service The device driver service. Input parameter. |
86 | * @param service The device driver service. Input parameter. |
98 | * @param protocol The protocol service. Input parameter. |
87 | * @param protocol The protocol service. Input parameter. |
99 | * @param address The actual device protocol address. |
88 | * @param address The actual device protocol address. |
100 | * @returns EOK on success. |
89 | * @returns EOK on success. |
101 | * @returns EEXIST if another device with the same device identifier and different driver service exists. |
90 | * @returns EEXIST if another device with the same device identifier and different driver service exists. |
102 | * @returns ENOMEM if there is not enough memory left. |
91 | * @returns ENOMEM if there is not enough memory left. |
103 | * @returns Other error codes as defined for the measured_strings_return() function. |
92 | * @returns Other error codes as defined for the measured_strings_return() function. |
104 | */ |
93 | */ |
105 | int arp_device_message( device_id_t device_id, services_t service, services_t protocol, measured_string_ref address ); |
94 | int arp_device_message( device_id_t device_id, services_t service, services_t protocol, measured_string_ref address ); |
106 | 95 | ||
107 | /** Returns the hardware address for the given protocol address. |
96 | /** Returns the hardware address for the given protocol address. |
108 | * Sends the ARP request packet if the hardware address is not found in the cache. |
97 | * Sends the ARP request packet if the hardware address is not found in the cache. |
109 | * @param device_id The device identifier. Input parameter. |
98 | * @param device_id The device identifier. Input parameter. |
110 | * @param protocol The protocol service. Input parameter. |
99 | * @param protocol The protocol service. Input parameter. |
111 | * @param target The target protocol address. Input parameter. |
100 | * @param target The target protocol address. Input parameter. |
112 | * @returns The hardware address of the target. |
101 | * @returns The hardware address of the target. |
113 | * @returns NULL if the target parameter is NULL. |
102 | * @returns NULL if the target parameter is NULL. |
114 | * @returns NULL if the device is not found. |
103 | * @returns NULL if the device is not found. |
115 | * @returns NULL if the device packet is too small to send a request. |
104 | * @returns NULL if the device packet is too small to send a request. |
116 | * @returns NULL if the hardware address is not found in the cache. |
105 | * @returns NULL if the hardware address is not found in the cache. |
117 | */ |
106 | */ |
118 | measured_string_ref arp_translate_message( device_id_t device_id, services_t protocol, measured_string_ref target ); |
107 | measured_string_ref arp_translate_message( device_id_t device_id, services_t protocol, measured_string_ref target ); |
119 | 108 | ||
120 | /** Processes the received ARP packet. |
109 | /** Processes the received ARP packet. |
121 | * Updates the source hardware address if the source entry exists or the packet is targeted to my protocol address. |
110 | * Updates the source hardware address if the source entry exists or the packet is targeted to my protocol address. |
122 | * Responses to the ARP request if the packet is the ARP request and is targeted to my address. |
111 | * Responses to the ARP request if the packet is the ARP request and is targeted to my address. |
123 | * @param device_id The source device identifier. Input parameter. |
112 | * @param device_id The source device identifier. Input parameter. |
124 | * @param packet The received packet. Input/output parameter. |
113 | * @param packet The received packet. Input/output parameter. |
125 | * @returns EOK on success. |
114 | * @returns EOK on success. |
126 | * @returns EINVAL if the packet is too small to carry the ARP packet. |
115 | * @returns EINVAL if the packet is too small to carry the ARP packet. |
127 | * @returns EINVAL if the received address lengths differs from the registered values. |
116 | * @returns EINVAL if the received address lengths differs from the registered values. |
128 | * @returns ENOENT if the device is not found in the cache. |
117 | * @returns ENOENT if the device is not found in the cache. |
129 | * @returns ENOENT if the protocol for the device is not found in the cache. |
118 | * @returns ENOENT if the protocol for the device is not found in the cache. |
130 | * @returns ENOMEM if there is not enough memory left. |
119 | * @returns ENOMEM if there is not enough memory left. |
131 | */ |
120 | */ |
132 | int arp_receive_message( device_id_t device_id, packet_t packet ); |
121 | int arp_receive_message( device_id_t device_id, packet_t packet ); |
133 | 122 | ||
134 | /** Clears the device specific data from the cache. |
123 | /** Clears the device specific data from the cache. |
135 | * @param device_id The device identifier. Input parameter. |
124 | * @param device_id The device identifier. Input parameter. |
136 | * @returns EOK on success. |
125 | * @returns EOK on success. |
137 | * @returns ENOENT if the device is not found in the cache. |
126 | * @returns ENOENT if the device is not found in the cache. |
138 | */ |
127 | */ |
139 | int arp_clear_device_message( device_id_t device_id ); |
128 | int arp_clear_device_message( device_id_t device_id ); |
140 | 129 | ||
141 | /** Clears the device specific data. |
130 | /** Clears the device specific data. |
142 | * @param device The device specific data. |
131 | * @param device The device specific data. |
143 | */ |
132 | */ |
144 | void clear_device( arp_device_ref device ); |
133 | void clear_device( arp_device_ref device ); |
145 | 134 | ||
146 | /** Clears the whole cache. |
135 | /** Clears the whole cache. |
147 | * @returns EOK on success. |
136 | * @returns EOK on success. |
148 | */ |
137 | */ |
149 | int arp_clean_cache_message( void ); |
138 | int arp_clean_cache_message( void ); |
150 | 139 | ||
151 | /** Processes IPC messages from the registered device driver modules in an infinite loop. |
140 | /** Processes IPC messages from the registered device driver modules in an infinite loop. |
152 | * @param iid The message identifier. Input parameter. |
141 | * @param iid The message identifier. Input parameter. |
153 | * @param icall The message parameters. Input/output parameter. |
142 | * @param icall The message parameters. Input/output parameter. |
154 | */ |
143 | */ |
155 | void arp_receiver( ipc_callid_t iid, ipc_call_t * icall ); |
144 | void arp_receiver( ipc_callid_t iid, ipc_call_t * icall ); |
156 | 145 | ||
157 | DEVICE_MAP_IMPLEMENT( arp_cache, arp_device_t ) |
146 | DEVICE_MAP_IMPLEMENT( arp_cache, arp_device_t ) |
158 | 147 | ||
159 | INT_MAP_IMPLEMENT( arp_protos, arp_proto_t ) |
148 | INT_MAP_IMPLEMENT( arp_protos, arp_proto_t ) |
160 | 149 | ||
161 | GENERIC_CHAR_MAP_IMPLEMENT( arp_addr, measured_string_t ) |
150 | GENERIC_CHAR_MAP_IMPLEMENT( arp_addr, measured_string_t ) |
162 | 151 | ||
163 | int arp_initialize( void ){ |
152 | int arp_initialize( void ){ |
164 | ERROR_DECLARE; |
153 | ERROR_DECLARE; |
165 | 154 | ||
166 | rwlock_initialize( & arp_globals.lock ); |
155 | rwlock_initialize( & arp_globals.lock ); |
167 | rwlock_write_lock( & arp_globals.lock ); |
156 | rwlock_write_lock( & arp_globals.lock ); |
168 | ERROR_PROPAGATE( arp_cache_initialize( & arp_globals.cache )); |
157 | ERROR_PROPAGATE( arp_cache_initialize( & arp_globals.cache )); |
169 | rwlock_write_unlock( & arp_globals.lock ); |
158 | rwlock_write_unlock( & arp_globals.lock ); |
170 | return EOK; |
159 | return EOK; |
171 | } |
160 | } |
172 | 161 | ||
173 | int arp_proto_create( arp_proto_ref * proto, services_t service, measured_string_ref address ){ |
162 | int arp_proto_create( arp_proto_ref * proto, services_t service, measured_string_ref address ){ |
174 | ERROR_DECLARE; |
163 | ERROR_DECLARE; |
175 | 164 | ||
176 | * proto = ( arp_proto_ref ) malloc( sizeof( arp_proto_t )); |
165 | * proto = ( arp_proto_ref ) malloc( sizeof( arp_proto_t )); |
177 | if( !( * proto )) return ENOMEM; |
166 | if( !( * proto )) return ENOMEM; |
178 | ( ** proto ).service = service; |
167 | ( ** proto ).service = service; |
179 | ( ** proto ).addr = address; |
168 | ( ** proto ).addr = address; |
180 | ( ** proto ).addr_data = address->value; |
169 | ( ** proto ).addr_data = address->value; |
181 | if( ERROR_OCCURRED( arp_addr_initialize( &( ** proto).addresses ))){ |
170 | if( ERROR_OCCURRED( arp_addr_initialize( &( ** proto).addresses ))){ |
182 | free( * proto ); |
171 | free( * proto ); |
183 | return ERROR_CODE; |
172 | return ERROR_CODE; |
184 | } |
173 | } |
185 | return EOK; |
174 | return EOK; |
186 | } |
175 | } |
187 | 176 | ||
188 | int arp_device_message( device_id_t device_id, services_t service, services_t protocol, measured_string_ref address ){ |
177 | int arp_device_message( device_id_t device_id, services_t service, services_t protocol, measured_string_ref address ){ |
189 | ERROR_DECLARE; |
178 | ERROR_DECLARE; |
190 | 179 | ||
191 | arp_device_ref device; |
180 | arp_device_ref device; |
192 | aid_t message; |
- | |
193 | ipc_call_t answer; |
- | |
194 | ipcarg_t result; |
- | |
195 | arp_proto_ref proto; |
181 | arp_proto_ref proto; |
196 | int index; |
182 | int index; |
197 | 183 | ||
198 | rwlock_write_lock( & arp_globals.lock ); |
184 | rwlock_write_lock( & arp_globals.lock ); |
199 | // an existing device? |
185 | // an existing device? |
200 | device = arp_cache_find( & arp_globals.cache, device_id ); |
186 | device = arp_cache_find( & arp_globals.cache, device_id ); |
201 | if( device ){ |
187 | if( device ){ |
202 | if( device->service != service ){ |
188 | if( device->service != service ){ |
203 | printf( "\nDevice %d already exists", device->device_id ); |
189 | printf( "\nDevice %d already exists", device->device_id ); |
204 | rwlock_write_unlock( & arp_globals.lock ); |
190 | rwlock_write_unlock( & arp_globals.lock ); |
205 | return EEXIST; |
191 | return EEXIST; |
206 | } |
192 | } |
207 | proto = arp_protos_find( & device->protos, protocol ); |
193 | proto = arp_protos_find( & device->protos, protocol ); |
208 | if( proto ){ |
194 | if( proto ){ |
209 | free( proto->addr ); |
195 | free( proto->addr ); |
210 | free( proto->addr_data ); |
196 | free( proto->addr_data ); |
211 | proto->addr = address; |
197 | proto->addr = address; |
212 | proto->addr_data = address->value; |
198 | proto->addr_data = address->value; |
213 | }else{ |
199 | }else{ |
214 | if( ERROR_OCCURRED( arp_proto_create( & proto, protocol, address ))){ |
200 | if( ERROR_OCCURRED( arp_proto_create( & proto, protocol, address ))){ |
215 | rwlock_write_unlock( & arp_globals.lock ); |
201 | rwlock_write_unlock( & arp_globals.lock ); |
216 | return ERROR_CODE; |
202 | return ERROR_CODE; |
217 | } |
203 | } |
218 | index = arp_protos_add( & device->protos, proto->service, proto ); |
204 | index = arp_protos_add( & device->protos, proto->service, proto ); |
219 | if( index < 0 ){ |
205 | if( index < 0 ){ |
220 | rwlock_write_unlock( & arp_globals.lock ); |
206 | rwlock_write_unlock( & arp_globals.lock ); |
221 | free( proto ); |
207 | free( proto ); |
222 | return result; |
208 | return index; |
223 | } |
209 | } |
224 | } |
210 | } |
225 | printf( "\nCache of the existing device %d cleaned", device->device_id ); |
211 | printf( "\nCache of the existing device %d cleaned", device->device_id ); |
226 | }else{ |
212 | }else{ |
227 | index = hardware_map( service ); |
213 | index = hardware_map( service ); |
228 | if( ! index ) return ENOENT; |
214 | if( ! index ) return ENOENT; |
229 | // create a new device |
215 | // create a new device |
230 | device = ( arp_device_ref ) malloc( sizeof( arp_device_t )); |
216 | device = ( arp_device_ref ) malloc( sizeof( arp_device_t )); |
231 | if( ! device ){ |
217 | if( ! device ){ |
232 | rwlock_write_unlock( & arp_globals.lock ); |
218 | rwlock_write_unlock( & arp_globals.lock ); |
233 | return ENOMEM; |
219 | return ENOMEM; |
234 | } |
220 | } |
235 | device->hardware = index; |
221 | device->hardware = index; |
236 | device->device_id = device_id; |
222 | device->device_id = device_id; |
237 | if( ERROR_OCCURRED( arp_protos_initialize( & device->protos )) |
223 | if( ERROR_OCCURRED( arp_protos_initialize( & device->protos )) |
238 | || ERROR_OCCURRED( arp_proto_create( & proto, protocol, address ))){ |
224 | || ERROR_OCCURRED( arp_proto_create( & proto, protocol, address ))){ |
239 | rwlock_write_unlock( & arp_globals.lock ); |
225 | rwlock_write_unlock( & arp_globals.lock ); |
240 | free( device ); |
226 | free( device ); |
241 | return ERROR_CODE; |
227 | return ERROR_CODE; |
242 | } |
228 | } |
243 | index = arp_protos_add( & device->protos, proto->service, proto ); |
229 | index = arp_protos_add( & device->protos, proto->service, proto ); |
244 | if( index < 0 ){ |
230 | if( index < 0 ){ |
245 | rwlock_write_unlock( & arp_globals.lock ); |
231 | rwlock_write_unlock( & arp_globals.lock ); |
246 | arp_protos_destroy( & device->protos ); |
232 | arp_protos_destroy( & device->protos ); |
247 | free( device ); |
233 | free( device ); |
248 | return index; |
234 | return index; |
249 | } |
235 | } |
250 | device->service = service; |
236 | device->service = service; |
251 | // bind the new one |
237 | // bind the new one |
252 | device->phone = bind_service( device->service, device->device_id, SERVICE_ARP, 0, arp_receiver ); |
238 | device->phone = bind_service( device->service, device->device_id, SERVICE_ARP, 0, arp_receiver ); |
253 | if( device->phone < 0 ){ |
239 | if( device->phone < 0 ){ |
254 | rwlock_write_unlock( & arp_globals.lock ); |
240 | rwlock_write_unlock( & arp_globals.lock ); |
255 | arp_protos_destroy( & device->protos ); |
241 | arp_protos_destroy( & device->protos ); |
256 | free( device ); |
242 | free( device ); |
257 | return EREFUSED; |
243 | return EREFUSED; |
258 | } |
244 | } |
259 | // get packet dimensions |
245 | // get packet dimensions |
260 | if( ERROR_OCCURRED( async_req_1_4( device->phone, NET_NIL_PACKET_SPACE, device_id, & device->addr_len, & device->prefix, & device->content, & device->suffix ))){ |
246 | if( ERROR_OCCURRED( nil_packet_size_req( device->phone, device_id, & device->addr_len, & device->prefix, & device->content, & device->suffix ))){ |
261 | rwlock_write_unlock( & arp_globals.lock ); |
247 | rwlock_write_unlock( & arp_globals.lock ); |
262 | arp_protos_destroy( & device->protos ); |
248 | arp_protos_destroy( & device->protos ); |
263 | free( device ); |
249 | free( device ); |
264 | return ERROR_CODE; |
250 | return ERROR_CODE; |
265 | } |
251 | } |
266 | // get hardware address |
252 | // get hardware address |
267 | message = async_send_1( device->phone, NET_NIL_ADDR, device->device_id, & answer ); |
- | |
268 | if( ERROR_OCCURRED( measured_strings_return( device->phone, & device->addr, & device->addr_data, 1 ))){ |
253 | if( ERROR_OCCURRED( nil_get_addr( device->phone, device_id, & device->addr, & device->addr_data ))){ |
269 | rwlock_write_unlock( & arp_globals.lock ); |
254 | rwlock_write_unlock( & arp_globals.lock ); |
270 | arp_protos_destroy( & device->protos ); |
255 | arp_protos_destroy( & device->protos ); |
271 | free( device ); |
256 | free( device ); |
272 | async_wait_for( message, NULL ); |
- | |
273 | return ERROR_CODE; |
- | |
274 | } |
- | |
275 | async_wait_for( message, & result ); |
- | |
276 | if( ERROR_OCCURRED( result )){ |
- | |
277 | rwlock_write_unlock( & arp_globals.lock ); |
- | |
278 | free( device->addr ); |
- | |
279 | free( device->addr_data ); |
- | |
280 | arp_protos_destroy( & device->protos ); |
- | |
281 | free( device ); |
- | |
282 | return ERROR_CODE; |
257 | return ERROR_CODE; |
283 | } |
258 | } |
284 | // get broadcast address |
259 | // get broadcast address |
285 | message = async_send_1( device->phone, NET_NIL_BROADCAST_ADDR, device->device_id, & answer ); |
- | |
286 | if( ERROR_OCCURRED( measured_strings_return( device->phone, & device->broadcast_addr, & device->broadcast_data, 1 ))){ |
260 | if( ERROR_OCCURRED( nil_get_broadcast_addr( device->phone, device_id, & device->broadcast_addr, & device->broadcast_data ))){ |
287 | rwlock_write_unlock( & arp_globals.lock ); |
261 | rwlock_write_unlock( & arp_globals.lock ); |
288 | free( device->addr ); |
262 | free( device->addr ); |
289 | free( device->addr_data ); |
263 | free( device->addr_data ); |
290 | arp_protos_destroy( & device->protos ); |
264 | arp_protos_destroy( & device->protos ); |
291 | free( device ); |
265 | free( device ); |
292 | async_wait_for( message, NULL ); |
- | |
293 | return ERROR_CODE; |
266 | return ERROR_CODE; |
294 | } |
267 | } |
295 | async_wait_for( message, & result ); |
- | |
296 | // add to the cache |
- | |
297 | if( ERROR_OCCURRED( result ) |
- | |
298 | || ERROR_OCCURRED( arp_cache_add( & arp_globals.cache, device->device_id, device ))){ |
268 | if( ERROR_OCCURRED( arp_cache_add( & arp_globals.cache, device->device_id, device ))){ |
299 | rwlock_write_unlock( & arp_globals.lock ); |
269 | rwlock_write_unlock( & arp_globals.lock ); |
300 | free( device->addr ); |
270 | free( device->addr ); |
301 | free( device->addr_data ); |
271 | free( device->addr_data ); |
302 | free( device->broadcast_addr ); |
272 | free( device->broadcast_addr ); |
303 | free( device->broadcast_data ); |
273 | free( device->broadcast_data ); |
304 | arp_protos_destroy( & device->protos ); |
274 | arp_protos_destroy( & device->protos ); |
305 | free( device ); |
275 | free( device ); |
306 | return ERROR_CODE; |
276 | return ERROR_CODE; |
307 | } |
277 | } |
308 | printf( "\nNew device registered:\n\tid\t= %d\n\ttype\t= 0x%x\n\tservice\t= %d", device->device_id, device->hardware, device->service ); |
278 | printf( "\nNew device registered:\n\tid\t= %d\n\ttype\t= 0x%x\n\tservice\t= %d", device->device_id, device->hardware, device->service ); |
309 | } |
279 | } |
310 | rwlock_write_unlock( & arp_globals.lock ); |
280 | rwlock_write_unlock( & arp_globals.lock ); |
311 | return EOK; |
281 | return EOK; |
312 | } |
282 | } |
313 | 283 | ||
314 | measured_string_ref arp_translate_message( device_id_t device_id, services_t protocol, measured_string_ref target ){ |
284 | measured_string_ref arp_translate_message( device_id_t device_id, services_t protocol, measured_string_ref target ){ |
315 | arp_device_ref device; |
285 | arp_device_ref device; |
316 | arp_proto_ref proto; |
286 | arp_proto_ref proto; |
317 | measured_string_ref addr; |
287 | measured_string_ref addr; |
318 | size_t length; |
288 | size_t length; |
319 | packet_t packet; |
289 | packet_t packet; |
320 | arp_header_ref header; |
290 | arp_header_ref header; |
321 | 291 | ||
322 | if( ! target ) return NULL; |
292 | if( ! target ) return NULL; |
323 | device = arp_cache_find( & arp_globals.cache, device_id ); |
293 | device = arp_cache_find( & arp_globals.cache, device_id ); |
324 | if( ! device ) return NULL; |
294 | if( ! device ) return NULL; |
325 | proto = arp_protos_find( & device->protos, protocol ); |
295 | proto = arp_protos_find( & device->protos, protocol ); |
326 | if(( ! proto ) || ( proto->addr->length != target->length )) return NULL; |
296 | if(( ! proto ) || ( proto->addr->length != target->length )) return NULL; |
327 | addr = arp_addr_find( & proto->addresses, target->value, target->length ); |
297 | addr = arp_addr_find( & proto->addresses, target->value, target->length ); |
328 | if( addr ) return addr; |
298 | if( addr ) return addr; |
329 | // ARP packet content size = header + ( address + translation ) * 2 |
299 | // ARP packet content size = header + ( address + translation ) * 2 |
330 | length = 8 + ( CONVERT_SIZE( char, uint8_t, proto->addr->length ) + CONVERT_SIZE( char, uint8_t, device->addr->length )) * 2; |
300 | length = 8 + ( CONVERT_SIZE( char, uint8_t, proto->addr->length ) + CONVERT_SIZE( char, uint8_t, device->addr->length )) * 2; |
331 | if( length > device->content ) return NULL; |
301 | if( length > device->content ) return NULL; |
332 | packet = packet_get_4( arp_globals.networking_phone, device->addr_len, device->prefix, length, device->suffix ); |
302 | packet = packet_get_4( arp_globals.networking_phone, device->addr_len, device->prefix, length, device->suffix ); |
333 | if( ! packet ) return NULL; |
303 | if( ! packet ) return NULL; |
334 | header = ( arp_header_ref ) packet_suffix( packet, length ); |
304 | header = ( arp_header_ref ) packet_suffix( packet, length ); |
335 | header->hardware = htons( device->hardware ); |
305 | header->hardware = htons( device->hardware ); |
336 | header->hardware_length = device->addr->length; |
306 | header->hardware_length = device->addr->length; |
337 | header->protocol = htons( protocol_map( device->service, protocol )); |
307 | header->protocol = htons( protocol_map( device->service, protocol )); |
338 | header->protocol_length = proto->addr->length; |
308 | header->protocol_length = proto->addr->length; |
339 | header->operation = htons( ARPOP_REQUEST ); |
309 | header->operation = htons( ARPOP_REQUEST ); |
340 | length = sizeof( arp_header_t ); |
310 | length = sizeof( arp_header_t ); |
341 | memcpy((( uint8_t * ) header ) + length, device->addr->value, device->addr->length ); |
311 | memcpy((( uint8_t * ) header ) + length, device->addr->value, device->addr->length ); |
342 | length += device->addr->length; |
312 | length += device->addr->length; |
343 | memcpy((( uint8_t * ) header ) + length, proto->addr->value, proto->addr->length ); |
313 | memcpy((( uint8_t * ) header ) + length, proto->addr->value, proto->addr->length ); |
344 | length += proto->addr->length; |
314 | length += proto->addr->length; |
345 | bzero((( uint8_t * ) header ) + length, device->addr->length ); |
315 | bzero((( uint8_t * ) header ) + length, device->addr->length ); |
346 | length += device->addr->length; |
316 | length += device->addr->length; |
347 | memcpy((( uint8_t * ) header ) + length, target->value, target->length ); |
317 | memcpy((( uint8_t * ) header ) + length, target->value, target->length ); |
348 | packet_set_addr( packet, ( uint8_t * ) device->addr->value, ( uint8_t * ) device->broadcast_addr->value, CONVERT_SIZE( char, uint8_t, device->addr->length )); |
318 | packet_set_addr( packet, ( uint8_t * ) device->addr->value, ( uint8_t * ) device->broadcast_addr->value, CONVERT_SIZE( char, uint8_t, device->addr->length )); |
349 | async_msg_3( device->phone, NET_NIL_SEND, device_id, packet_get_id( packet ), SERVICE_ARP ); |
319 | nil_send_msg( device->phone, device_id, packet, SERVICE_ARP ); |
350 | return NULL; |
320 | return NULL; |
351 | } |
321 | } |
352 | 322 | ||
353 | int arp_receive_message( device_id_t device_id, packet_t packet ){ |
323 | int arp_receive_message( device_id_t device_id, packet_t packet ){ |
354 | ERROR_DECLARE; |
324 | ERROR_DECLARE; |
355 | 325 | ||
356 | size_t length; |
326 | size_t length; |
357 | arp_header_ref header; |
327 | arp_header_ref header; |
358 | arp_device_ref device; |
328 | arp_device_ref device; |
359 | arp_proto_ref proto; |
329 | arp_proto_ref proto; |
360 | measured_string_ref hw_source; |
330 | measured_string_ref hw_source; |
361 | uint8_t * src_hw; |
331 | uint8_t * src_hw; |
362 | uint8_t * src_proto; |
332 | uint8_t * src_proto; |
363 | uint8_t * des_hw; |
333 | uint8_t * des_hw; |
364 | uint8_t * des_proto; |
334 | uint8_t * des_proto; |
365 | 335 | ||
366 | length = packet_get_data_length( packet ); |
336 | length = packet_get_data_length( packet ); |
367 | if( length <= sizeof( arp_header_t )) return EINVAL; |
337 | if( length <= sizeof( arp_header_t )) return EINVAL; |
368 | device = arp_cache_find( & arp_globals.cache, device_id ); |
338 | device = arp_cache_find( & arp_globals.cache, device_id ); |
369 | if( ! device ) return ENOENT; |
339 | if( ! device ) return ENOENT; |
370 | header = ( arp_header_ref ) packet_get_data( packet ); |
340 | header = ( arp_header_ref ) packet_get_data( packet ); |
371 | if(( ntohs( header->hardware ) != device->hardware ) |
341 | if(( ntohs( header->hardware ) != device->hardware ) |
372 | || ( length < sizeof( arp_header_t ) + ( header->hardware_length + header->protocol_length ) * 2 )){ |
342 | || ( length < sizeof( arp_header_t ) + ( header->hardware_length + header->protocol_length ) * 2 )){ |
373 | return EINVAL; |
343 | return EINVAL; |
374 | } |
344 | } |
375 | proto = arp_protos_find( & device->protos, protocol_unmap( device->service, ntohs( header->protocol ))); |
345 | proto = arp_protos_find( & device->protos, protocol_unmap( device->service, ntohs( header->protocol ))); |
376 | if( ! proto ) return ENOENT; |
346 | if( ! proto ) return ENOENT; |
377 | src_hw = (( uint8_t * ) header ) + sizeof( arp_header_t ); |
347 | src_hw = (( uint8_t * ) header ) + sizeof( arp_header_t ); |
378 | src_proto = src_hw + header->hardware_length; |
348 | src_proto = src_hw + header->hardware_length; |
379 | des_hw = src_proto + header->protocol_length; |
349 | des_hw = src_proto + header->protocol_length; |
380 | des_proto = des_hw + header->hardware_length; |
350 | des_proto = des_hw + header->hardware_length; |
381 | hw_source = arp_addr_find( & proto->addresses, ( char * ) src_proto, CONVERT_SIZE( uint8_t, char, header->protocol_length )); |
351 | hw_source = arp_addr_find( & proto->addresses, ( char * ) src_proto, CONVERT_SIZE( uint8_t, char, header->protocol_length )); |
382 | // exists? |
352 | // exists? |
383 | if( hw_source ){ |
353 | if( hw_source ){ |
384 | if( hw_source->length != CONVERT_SIZE( uint8_t, char, header->hardware_length )){ |
354 | if( hw_source->length != CONVERT_SIZE( uint8_t, char, header->hardware_length )){ |
385 | return EINVAL; |
355 | return EINVAL; |
386 | } |
356 | } |
387 | memcpy( hw_source->value, src_hw, hw_source->length ); |
357 | memcpy( hw_source->value, src_hw, hw_source->length ); |
388 | } |
358 | } |
389 | // is my protocol address? |
359 | // is my protocol address? |
390 | if( proto->addr->length != CONVERT_SIZE( uint8_t, char, header->hardware_length )){ |
360 | if( proto->addr->length != CONVERT_SIZE( uint8_t, char, header->hardware_length )){ |
391 | return EINVAL; |
361 | return EINVAL; |
392 | } |
362 | } |
393 | if( ! strncmp( proto->addr->value, ( char * ) des_proto, proto->addr->length )){ |
363 | if( ! strncmp( proto->addr->value, ( char * ) des_proto, proto->addr->length )){ |
394 | // not already upadted? |
364 | // not already upadted? |
395 | if( ! hw_source ){ |
365 | if( ! hw_source ){ |
396 | hw_source = measured_string_create_bulk(( char * ) src_hw, CONVERT_SIZE( uint8_t, char, header->hardware_length )); |
366 | hw_source = measured_string_create_bulk(( char * ) src_hw, CONVERT_SIZE( uint8_t, char, header->hardware_length )); |
397 | if( ! hw_source ) return ENOMEM; |
367 | if( ! hw_source ) return ENOMEM; |
398 | ERROR_PROPAGATE( arp_addr_add( & proto->addresses, ( char * ) src_proto, CONVERT_SIZE( uint8_t, char, header->protocol_length ), hw_source )); |
368 | ERROR_PROPAGATE( arp_addr_add( & proto->addresses, ( char * ) src_proto, CONVERT_SIZE( uint8_t, char, header->protocol_length ), hw_source )); |
399 | } |
369 | } |
400 | if( ntohs( header->operation ) == ARPOP_REQUEST ){ |
370 | if( ntohs( header->operation ) == ARPOP_REQUEST ){ |
401 | header->operation = htons( ARPOP_REPLY ); |
371 | header->operation = htons( ARPOP_REPLY ); |
402 | memcpy( des_proto, src_proto, header->protocol_length ); |
372 | memcpy( des_proto, src_proto, header->protocol_length ); |
403 | memcpy( src_proto, proto->addr->value, header->protocol_length ); |
373 | memcpy( src_proto, proto->addr->value, header->protocol_length ); |
404 | memcpy( src_hw, des_hw, header->hardware_length ); |
374 | memcpy( src_hw, des_hw, header->hardware_length ); |
405 | memcpy( des_hw, hw_source->value, header->hardware_length ); |
375 | memcpy( des_hw, hw_source->value, header->hardware_length ); |
406 | packet_set_addr( packet, src_hw, des_hw, header->hardware_length ); |
376 | packet_set_addr( packet, src_hw, des_hw, header->hardware_length ); |
407 | async_msg_3( device->phone, NET_NIL_SEND, device_id, packet_get_id( packet ), SERVICE_ARP ); |
377 | nil_send_msg( device->phone, device_id, packet, SERVICE_ARP ); |
408 | }else{ |
378 | }else{ |
409 | pq_release( arp_globals.networking_phone, packet_get_id( packet )); |
379 | pq_release( arp_globals.networking_phone, packet_get_id( packet )); |
410 | } |
380 | } |
411 | } |
381 | } |
412 | return EOK; |
382 | return EOK; |
413 | } |
383 | } |
414 | 384 | ||
415 | int arp_clear_device_message( device_id_t device_id ){ |
385 | int arp_clear_device_message( device_id_t device_id ){ |
416 | arp_device_ref device; |
386 | arp_device_ref device; |
417 | 387 | ||
418 | rwlock_write_lock( & arp_globals.lock ); |
388 | rwlock_write_lock( & arp_globals.lock ); |
419 | device = arp_cache_find( & arp_globals.cache, device_id ); |
389 | device = arp_cache_find( & arp_globals.cache, device_id ); |
420 | if( ! device ){ |
390 | if( ! device ){ |
421 | rwlock_write_unlock( & arp_globals.lock ); |
391 | rwlock_write_unlock( & arp_globals.lock ); |
422 | return ENOENT; |
392 | return ENOENT; |
423 | } |
393 | } |
424 | clear_device( device ); |
394 | clear_device( device ); |
425 | printf( "\nDevice %d cleared", device_id ); |
395 | printf( "\nDevice %d cleared", device_id ); |
426 | rwlock_write_unlock( & arp_globals.lock ); |
396 | rwlock_write_unlock( & arp_globals.lock ); |
427 | return EOK; |
397 | return EOK; |
428 | } |
398 | } |
429 | 399 | ||
430 | void clear_device( arp_device_ref device ){ |
400 | void clear_device( arp_device_ref device ){ |
431 | int count; |
401 | int count; |
432 | arp_proto_ref proto; |
402 | arp_proto_ref proto; |
433 | 403 | ||
434 | for( count = arp_protos_count( & device->protos ) - 1; count >= 0; -- count ){ |
404 | for( count = arp_protos_count( & device->protos ) - 1; count >= 0; -- count ){ |
435 | proto = arp_protos_get_index( & device->protos, count ); |
405 | proto = arp_protos_get_index( & device->protos, count ); |
436 | if( proto ){ |
406 | if( proto ){ |
437 | if( proto->addr ) free( proto->addr ); |
407 | if( proto->addr ) free( proto->addr ); |
438 | if( proto->addr_data ) free( proto->addr_data ); |
408 | if( proto->addr_data ) free( proto->addr_data ); |
439 | arp_addr_destroy( & proto->addresses ); |
409 | arp_addr_destroy( & proto->addresses ); |
440 | } |
410 | } |
441 | } |
411 | } |
442 | arp_protos_clear( & device->protos ); |
412 | arp_protos_clear( & device->protos ); |
443 | } |
413 | } |
444 | 414 | ||
445 | int arp_clean_cache_message( void ){ |
415 | int arp_clean_cache_message( void ){ |
446 | int count; |
416 | int count; |
447 | arp_device_ref device; |
417 | arp_device_ref device; |
448 | 418 | ||
449 | rwlock_write_lock( & arp_globals.lock ); |
419 | rwlock_write_lock( & arp_globals.lock ); |
450 | for( count = arp_cache_count( & arp_globals.cache ) - 1; count >= 0; -- count ){ |
420 | for( count = arp_cache_count( & arp_globals.cache ) - 1; count >= 0; -- count ){ |
451 | device = arp_cache_get_index( & arp_globals.cache, count ); |
421 | device = arp_cache_get_index( & arp_globals.cache, count ); |
452 | if( device ){ |
422 | if( device ){ |
453 | clear_device( device ); |
423 | clear_device( device ); |
454 | if( device->addr_data ) free( device->addr_data ); |
424 | if( device->addr_data ) free( device->addr_data ); |
455 | if( device->broadcast_data ) free( device->broadcast_data ); |
425 | if( device->broadcast_data ) free( device->broadcast_data ); |
456 | } |
426 | } |
457 | } |
427 | } |
458 | arp_cache_clear( & arp_globals.cache ); |
428 | arp_cache_clear( & arp_globals.cache ); |
459 | rwlock_write_unlock( & arp_globals.lock ); |
429 | rwlock_write_unlock( & arp_globals.lock ); |
460 | printf( "\nCache cleaned" ); |
430 | printf( "\nCache cleaned" ); |
461 | return EOK; |
431 | return EOK; |
462 | } |
432 | } |
463 | 433 | ||
464 | int arp_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){ |
434 | int arp_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){ |
465 | ERROR_DECLARE; |
435 | ERROR_DECLARE; |
466 | 436 | ||
467 | measured_string_ref address; |
437 | measured_string_ref address; |
468 | measured_string_ref translation; |
438 | measured_string_ref translation; |
469 | char * data; |
439 | char * data; |
470 | 440 | ||
471 | // printf( "\nmessage %d - %d", IPC_GET_METHOD( * call ), NET_ARP_FIRST ); |
441 | // printf( "\nmessage %d - %d", IPC_GET_METHOD( * call ), NET_ARP_FIRST ); |
472 | * answer_count = 0; |
442 | * answer_count = 0; |
473 | switch( IPC_GET_METHOD( * call )){ |
443 | switch( IPC_GET_METHOD( * call )){ |
474 | case IPC_M_PHONE_HUNGUP: |
444 | case IPC_M_PHONE_HUNGUP: |
475 | return EOK; |
445 | return EOK; |
476 | case NET_ARP_DEVICE: |
446 | case NET_ARP_DEVICE: |
477 | ERROR_PROPAGATE( measured_strings_receive( & address, & data, 1 )); |
447 | ERROR_PROPAGATE( measured_strings_receive( & address, & data, 1 )); |
478 | if( ERROR_OCCURRED( arp_device_message( IPC_GET_DEVICE( call ), IPC_GET_SERVICE( call ), IPC_GET_PROTO( call ), address ))){ |
448 | if( ERROR_OCCURRED( arp_device_message( IPC_GET_DEVICE( call ), IPC_GET_SERVICE( call ), ARP_GET_PROTO( call ), address ))){ |
479 | free( address ); |
449 | free( address ); |
480 | free( data ); |
450 | free( data ); |
481 | } |
451 | } |
482 | return ERROR_CODE; |
452 | return ERROR_CODE; |
483 | case NET_ARP_TRANSLATE: |
453 | case NET_ARP_TRANSLATE: |
484 | ERROR_PROPAGATE( measured_strings_receive( & address, & data, 1 )); |
454 | ERROR_PROPAGATE( measured_strings_receive( & address, & data, 1 )); |
485 | rwlock_read_lock( & arp_globals.lock ); |
455 | rwlock_read_lock( & arp_globals.lock ); |
486 | translation = arp_translate_message( IPC_GET_DEVICE( call ), IPC_GET_PROTO( call ), address ); |
456 | translation = arp_translate_message( IPC_GET_DEVICE( call ), ARP_GET_PROTO( call ), address ); |
487 | free( address ); |
457 | free( address ); |
488 | free( data ); |
458 | free( data ); |
489 | if( ! translation ){ |
459 | if( ! translation ){ |
490 | rwlock_read_unlock( & arp_globals.lock ); |
460 | rwlock_read_unlock( & arp_globals.lock ); |
491 | return ENOENT; |
461 | return ENOENT; |
492 | } |
462 | } |
493 | ERROR_CODE = measured_strings_reply( translation, 1 ); |
463 | ERROR_CODE = measured_strings_reply( translation, 1 ); |
494 | rwlock_read_unlock( & arp_globals.lock ); |
464 | rwlock_read_unlock( & arp_globals.lock ); |
495 | return ERROR_CODE; |
465 | return ERROR_CODE; |
496 | case NET_ARP_CLEAR_DEVICE: |
466 | case NET_ARP_CLEAR_DEVICE: |
497 | return arp_clear_device_message( IPC_GET_DEVICE( call )); |
467 | return arp_clear_device_message( IPC_GET_DEVICE( call )); |
498 | case NET_ARP_CLEAN_CACHE: |
468 | case NET_ARP_CLEAN_CACHE: |
499 | return arp_clean_cache_message(); |
469 | return arp_clean_cache_message(); |
500 | } |
470 | } |
501 | return ENOTSUP; |
471 | return ENOTSUP; |
502 | } |
472 | } |
503 | 473 | ||
504 | void arp_receiver( ipc_callid_t iid, ipc_call_t * icall ){ |
474 | void arp_receiver( ipc_callid_t iid, ipc_call_t * icall ){ |
505 | ERROR_DECLARE; |
475 | ERROR_DECLARE; |
506 | 476 | ||
507 | packet_t packet; |
477 | packet_t packet; |
508 | 478 | ||
509 | while( true ){ |
479 | while( true ){ |
510 | switch( IPC_GET_METHOD( * icall )){ |
480 | switch( IPC_GET_METHOD( * icall )){ |
511 | case NET_IL_DEVICE_STATE: |
481 | case NET_IL_DEVICE_STATE: |
512 | // do nothing - keep the cache |
482 | // do nothing - keep the cache |
513 | ipc_answer_0( iid, EOK ); |
483 | ipc_answer_0( iid, EOK ); |
514 | break; |
484 | break; |
515 | case NET_IL_RECEIVED: |
485 | case NET_IL_RECEIVED: |
516 | if( ! ERROR_OCCURRED( packet_translate( arp_globals.networking_phone, & packet, IPC_GET_PACKET( icall )))){ |
486 | if( ! ERROR_OCCURRED( packet_translate( arp_globals.networking_phone, & packet, IPC_GET_PACKET( icall )))){ |
517 | rwlock_read_lock( & arp_globals.lock ); |
487 | rwlock_read_lock( & arp_globals.lock ); |
518 | ERROR_CODE = arp_receive_message( IPC_GET_DEVICE( icall ), packet ); |
488 | ERROR_CODE = arp_receive_message( IPC_GET_DEVICE( icall ), packet ); |
519 | rwlock_read_unlock( & arp_globals.lock ); |
489 | rwlock_read_unlock( & arp_globals.lock ); |
520 | } |
490 | } |
521 | ipc_answer_0( iid, ERROR_CODE ); |
491 | ipc_answer_0( iid, ERROR_CODE ); |
522 | break; |
492 | break; |
523 | default: |
493 | default: |
524 | ipc_answer_0( iid, ENOTSUP ); |
494 | ipc_answer_0( iid, ENOTSUP ); |
525 | } |
495 | } |
526 | iid = async_get_call( icall ); |
496 | iid = async_get_call( icall ); |
527 | } |
497 | } |
528 | } |
498 | } |
529 | 499 | ||
530 | /** @} |
500 | /** @} |
531 | */ |
501 | */ |
532 | 502 |