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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 <rwlock.h> |
40 | #include <rwlock.h> |
41 | #include <stdio.h> |
41 | #include <stdio.h> |
42 | #include <string.h> |
42 | #include <string.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/protocol_map.h" |
51 | #include "../../include/protocol_map.h" |
52 | #include "../../netif/device.h" |
52 | #include "../../netif/device.h" |
53 | 53 | ||
54 | #include "../../structures/measured_strings.h" |
54 | #include "../../structures/measured_strings.h" |
55 | #include "../../structures/packet/packet.h" |
55 | #include "../../structures/packet/packet.h" |
56 | #include "../../structures/packet/packet_client.h" |
56 | #include "../../structures/packet/packet_client.h" |
57 | 57 | ||
58 | #include "arp.h" |
58 | #include "arp.h" |
59 | #include "arp_header.h" |
59 | #include "arp_header.h" |
60 | #include "arp_oc.h" |
60 | #include "arp_oc.h" |
61 | //#include "arp_messages.h" |
61 | //#include "arp_messages.h" |
62 | #include "arp_module.h" |
62 | #include "arp_module.h" |
63 | 63 | ||
64 | /** Returns the device identifier message parameter. |
64 | /** Returns the device identifier message parameter. |
65 | */ |
65 | */ |
66 | #define IPC_GET_DEVICE( call ) ( device_id_t ) IPC_GET_ARG1( * call ) |
66 | #define IPC_GET_DEVICE( call ) ( device_id_t ) IPC_GET_ARG1( * call ) |
67 | 67 | ||
68 | /** Returns the packet identifier message parameter. |
68 | /** Returns the packet identifier message parameter. |
69 | */ |
69 | */ |
70 | #define IPC_GET_PACKET( call ) ( packet_id_t ) IPC_GET_ARG2( * call ) |
70 | #define IPC_GET_PACKET( call ) ( packet_id_t ) IPC_GET_ARG2( * call ) |
71 | 71 | ||
72 | /** Returns the protocol service message parameter. |
72 | /** Returns the protocol service message parameter. |
73 | */ |
73 | */ |
74 | #define IPC_GET_PROTO( call ) ( services_t ) IPC_GET_ARG2( * call ) |
74 | #define IPC_GET_PROTO( call ) ( services_t ) IPC_GET_ARG2( * call ) |
75 | 75 | ||
76 | /** Returns the device driver service message parameter. |
76 | /** Returns the device driver service message parameter. |
77 | */ |
77 | */ |
78 | #define IPC_GET_SERVICE( call ) ( services_t ) IPC_GET_ARG3( * call ) |
78 | #define IPC_GET_SERVICE( call ) ( services_t ) IPC_GET_ARG3( * call ) |
79 | 79 | ||
80 | /** ARP global data. |
80 | /** ARP global data. |
81 | */ |
81 | */ |
82 | arp_globals_t arp_globals; |
82 | arp_globals_t arp_globals; |
83 | 83 | ||
84 | /** Creates new protocol specific data. |
84 | /** Creates new protocol specific data. |
85 | * @param proto Protocol specific data. Output parameter. |
85 | * @param proto Protocol specific data. Output parameter. |
86 | * @param service Protocol module service. Input parameter. |
86 | * @param service Protocol module service. Input parameter. |
87 | * @param address Actual protocol device address. Input parameter. |
87 | * @param address Actual protocol device address. Input parameter. |
88 | * @returns EOK on success. |
88 | * @returns EOK on success. |
89 | * @returns ENOMEM if there is not enough memory left. |
89 | * @returns ENOMEM if there is not enough memory left. |
90 | */ |
90 | */ |
91 | int arp_proto_create( arp_proto_ref * proto, services_t service, measured_string_ref address ); |
91 | int arp_proto_create( arp_proto_ref * proto, services_t service, measured_string_ref address ); |
92 | 92 | ||
93 | /** Registers the device. |
93 | /** Registers the device. |
94 | * Creates new device entry in the cache or updates the protocol address if the device with the device identifier and the driver service exists. |
94 | * Creates new device entry in the cache or updates the protocol address if the device with the device identifier and the driver service exists. |
95 | * @param device_id The device identifier. Input parameter. |
95 | * @param device_id The device identifier. Input parameter. |
96 | * @param service The device driver service. Input parameter. |
96 | * @param service The device driver service. Input parameter. |
97 | * @param protocol The protocol service. Input parameter. |
97 | * @param protocol The protocol service. Input parameter. |
98 | * @param address The actual device protocol address. |
98 | * @param address The actual device protocol address. |
99 | * @returns EOK on success. |
99 | * @returns EOK on success. |
100 | * @returns EEXIST if another device with the same device identifier and different driver service exists. |
100 | * @returns EEXIST if another device with the same device identifier and different driver service exists. |
101 | * @returns ENOMEM if there is not enough memory left. |
101 | * @returns ENOMEM if there is not enough memory left. |
102 | * @returns Other error codes as defined for the measured_strings_return() function. |
102 | * @returns Other error codes as defined for the measured_strings_return() function. |
103 | */ |
103 | */ |
104 | int arp_device_message( device_id_t device_id, services_t service, services_t protocol, measured_string_ref address ); |
104 | int arp_device_message( device_id_t device_id, services_t service, services_t protocol, measured_string_ref address ); |
105 | 105 | ||
106 | /** Returns the hardware address for the given protocol address. |
106 | /** Returns the hardware address for the given protocol address. |
107 | * Sends the ARP request packet if the hardware address is not found in the cache. |
107 | * Sends the ARP request packet if the hardware address is not found in the cache. |
108 | * @param device_id The device identifier. Input parameter. |
108 | * @param device_id The device identifier. Input parameter. |
109 | * @param protocol The protocol service. Input parameter. |
109 | * @param protocol The protocol service. Input parameter. |
110 | * @param target The target protocol address. Input parameter. |
110 | * @param target The target protocol address. Input parameter. |
111 | * @returns The hardware address of the target. |
111 | * @returns The hardware address of the target. |
112 | * @returns NULL if the target parameter is NULL. |
112 | * @returns NULL if the target parameter is NULL. |
113 | * @returns NULL if the device is not found. |
113 | * @returns NULL if the device is not found. |
114 | * @returns NULL if the device packet is too small to send a request. |
114 | * @returns NULL if the device packet is too small to send a request. |
115 | * @returns NULL if the hardware address is not found in the cache. |
115 | * @returns NULL if the hardware address is not found in the cache. |
116 | */ |
116 | */ |
117 | measured_string_ref arp_translate_message( device_id_t device_id, services_t protocol, measured_string_ref target ); |
117 | measured_string_ref arp_translate_message( device_id_t device_id, services_t protocol, measured_string_ref target ); |
118 | 118 | ||
119 | /** Processes the received ARP packet. |
119 | /** Processes the received ARP packet. |
120 | * Updates the source hardware address if the source entry exists or the packet is targeted to my protocol address. |
120 | * Updates the source hardware address if the source entry exists or the packet is targeted to my protocol address. |
121 | * Responses to the ARP request if the packet is the ARP request and is targeted to my address. |
121 | * Responses to the ARP request if the packet is the ARP request and is targeted to my address. |
122 | * @param device_id The source device identifier. Input parameter. |
122 | * @param device_id The source device identifier. Input parameter. |
123 | * @param packet The received packet. Input/output parameter. |
123 | * @param packet The received packet. Input/output parameter. |
124 | * @returns EOK on success. |
124 | * @returns EOK on success. |
125 | * @returns EINVAL if the packet is too small to carry the ARP packet. |
125 | * @returns EINVAL if the packet is too small to carry the ARP packet. |
126 | * @returns EINVAL if the received address lengths differs from the registered values. |
126 | * @returns EINVAL if the received address lengths differs from the registered values. |
127 | * @returns ENOENT if the device is not found in the cache. |
127 | * @returns ENOENT if the device is not found in the cache. |
128 | * @returns ENOENT if the protocol for the device is not found in the cache. |
128 | * @returns ENOENT if the protocol for the device is not found in the cache. |
129 | * @returns ENOMEM if there is not enough memory left. |
129 | * @returns ENOMEM if there is not enough memory left. |
130 | */ |
130 | */ |
131 | int arp_receive_message( device_id_t device_id, packet_t packet ); |
131 | int arp_receive_message( device_id_t device_id, packet_t packet ); |
132 | 132 | ||
133 | /** Clears the device specific data from the cache. |
133 | /** Clears the device specific data from the cache. |
134 | * @param device_id The device identifier. Input parameter. |
134 | * @param device_id The device identifier. Input parameter. |
135 | * @returns EOK on success. |
135 | * @returns EOK on success. |
136 | * @returns ENOENT if the device is not found in the cache. |
136 | * @returns ENOENT if the device is not found in the cache. |
137 | */ |
137 | */ |
138 | int arp_clear_device_message( device_id_t device_id ); |
138 | int arp_clear_device_message( device_id_t device_id ); |
139 | 139 | ||
140 | /** Clears the device specific data. |
140 | /** Clears the device specific data. |
141 | * @param device The device specific data. |
141 | * @param device The device specific data. |
142 | */ |
142 | */ |
143 | void clear_device( arp_device_ref device ); |
143 | void clear_device( arp_device_ref device ); |
144 | 144 | ||
145 | /** Clears the whole cache. |
145 | /** Clears the whole cache. |
146 | * @returns EOK on success. |
146 | * @returns EOK on success. |
147 | */ |
147 | */ |
148 | int arp_clean_cache_message( void ); |
148 | int arp_clean_cache_message( void ); |
149 | 149 | ||
150 | /** Processes IPC messages from the registered device driver modules in an infinite loop. |
150 | /** Processes IPC messages from the registered device driver modules in an infinite loop. |
151 | * @param iid The message identifier. Input parameter. |
151 | * @param iid The message identifier. Input parameter. |
152 | * @param icall The message parameters. Input/output parameter. |
152 | * @param icall The message parameters. Input/output parameter. |
153 | */ |
153 | */ |
154 | void arp_receiver( ipc_callid_t iid, ipc_call_t * icall ); |
154 | void arp_receiver( ipc_callid_t iid, ipc_call_t * icall ); |
155 | 155 | ||
156 | DEVICE_MAP_IMPLEMENT( arp_cache, arp_device_t ) |
156 | DEVICE_MAP_IMPLEMENT( arp_cache, arp_device_t ) |
157 | 157 | ||
158 | INT_MAP_IMPLEMENT( arp_protos, arp_proto_t ) |
158 | INT_MAP_IMPLEMENT( arp_protos, arp_proto_t ) |
159 | 159 | ||
160 | GENERIC_CHAR_MAP_IMPLEMENT( arp_addr, measured_string_t ) |
160 | GENERIC_CHAR_MAP_IMPLEMENT( arp_addr, measured_string_t ) |
161 | 161 | ||
162 | int arp_initialize( void ){ |
162 | int arp_initialize( void ){ |
163 | ERROR_DECLARE; |
163 | ERROR_DECLARE; |
164 | 164 | ||
165 | rwlock_initialize( & arp_globals.lock ); |
165 | rwlock_initialize( & arp_globals.lock ); |
166 | rwlock_write_lock( & arp_globals.lock ); |
166 | rwlock_write_lock( & arp_globals.lock ); |
167 | ERROR_PROPAGATE( arp_cache_initialize( & arp_globals.cache )); |
167 | ERROR_PROPAGATE( arp_cache_initialize( & arp_globals.cache )); |
168 | rwlock_write_unlock( & arp_globals.lock ); |
168 | rwlock_write_unlock( & arp_globals.lock ); |
169 | return EOK; |
169 | return EOK; |
170 | } |
170 | } |
171 | 171 | ||
172 | int arp_proto_create( arp_proto_ref * proto, services_t service, measured_string_ref address ){ |
172 | int arp_proto_create( arp_proto_ref * proto, services_t service, measured_string_ref address ){ |
173 | ERROR_DECLARE; |
173 | ERROR_DECLARE; |
174 | 174 | ||
175 | * proto = ( arp_proto_ref ) malloc( sizeof( arp_proto_t )); |
175 | * proto = ( arp_proto_ref ) malloc( sizeof( arp_proto_t )); |
176 | if( !( * proto )) return ENOMEM; |
176 | if( !( * proto )) return ENOMEM; |
177 | ( ** proto ).service = service; |
177 | ( ** proto ).service = service; |
178 | ( ** proto ).addr = address; |
178 | ( ** proto ).addr = address; |
179 | ( ** proto ).addr_data = address->value; |
179 | ( ** proto ).addr_data = address->value; |
180 | if( ERROR_OCCURRED( arp_addr_initialize( &( ** proto).addresses ))){ |
180 | if( ERROR_OCCURRED( arp_addr_initialize( &( ** proto).addresses ))){ |
181 | free( * proto ); |
181 | free( * proto ); |
182 | return ERROR_CODE; |
182 | return ERROR_CODE; |
183 | } |
183 | } |
184 | return EOK; |
184 | return EOK; |
185 | } |
185 | } |
186 | 186 | ||
187 | int arp_device_message( device_id_t device_id, services_t service, services_t protocol, measured_string_ref address ){ |
187 | int arp_device_message( device_id_t device_id, services_t service, services_t protocol, measured_string_ref address ){ |
188 | ERROR_DECLARE; |
188 | ERROR_DECLARE; |
189 | 189 | ||
190 | arp_device_ref device; |
190 | arp_device_ref device; |
191 | aid_t message; |
191 | aid_t message; |
192 | ipc_call_t answer; |
192 | ipc_call_t answer; |
193 | ipcarg_t result; |
193 | ipcarg_t result; |
194 | arp_proto_ref proto; |
194 | arp_proto_ref proto; |
195 | 195 | ||
196 | rwlock_write_lock( & arp_globals.lock ); |
196 | rwlock_write_lock( & arp_globals.lock ); |
197 | // an existing device? |
197 | // an existing device? |
198 | device = arp_cache_find( & arp_globals.cache, device_id ); |
198 | device = arp_cache_find( & arp_globals.cache, device_id ); |
199 | if( device ){ |
199 | if( device ){ |
200 | if( device->service != service ){ |
200 | if( device->service != service ){ |
- | 201 | printf( "\nDevice %d already exists", device->device_id ); |
|
201 | rwlock_write_unlock( & arp_globals.lock ); |
202 | rwlock_write_unlock( & arp_globals.lock ); |
202 | return EEXIST; |
203 | return EEXIST; |
203 | } |
204 | } |
204 | proto = arp_protos_find( & device->protos, protocol ); |
205 | proto = arp_protos_find( & device->protos, protocol ); |
205 | if( proto ){ |
206 | if( proto ){ |
206 | free( proto->addr ); |
207 | free( proto->addr ); |
207 | free( proto->addr_data ); |
208 | free( proto->addr_data ); |
208 | proto->addr = address; |
209 | proto->addr = address; |
209 | proto->addr_data = address->value; |
210 | proto->addr_data = address->value; |
210 | }else{ |
211 | }else{ |
211 | if( ERROR_OCCURRED( arp_proto_create( & proto, protocol, address ))){ |
212 | if( ERROR_OCCURRED( arp_proto_create( & proto, protocol, address ))){ |
212 | rwlock_write_unlock( & arp_globals.lock ); |
213 | rwlock_write_unlock( & arp_globals.lock ); |
213 | return ERROR_CODE; |
214 | return ERROR_CODE; |
214 | } |
215 | } |
215 | if( ERROR_OCCURRED( arp_protos_add( & device->protos, proto->service, proto ))){ |
216 | if( ERROR_OCCURRED( arp_protos_add( & device->protos, proto->service, proto ))){ |
216 | rwlock_write_unlock( & arp_globals.lock ); |
217 | rwlock_write_unlock( & arp_globals.lock ); |
217 | free( proto ); |
218 | free( proto ); |
218 | return ERROR_CODE; |
219 | return ERROR_CODE; |
219 | } |
220 | } |
220 | } |
221 | } |
221 | return EOK; |
222 | printf( "\nCache of the existing device %d cleaned", device->device_id ); |
222 | }else{ |
223 | }else{ |
223 | // create a new device |
224 | // create a new device |
224 | device = ( arp_device_ref ) malloc( sizeof( arp_device_t )); |
225 | device = ( arp_device_ref ) malloc( sizeof( arp_device_t )); |
225 | if( ! device ){ |
226 | if( ! device ){ |
226 | rwlock_write_unlock( & arp_globals.lock ); |
227 | rwlock_write_unlock( & arp_globals.lock ); |
227 | return ENOMEM; |
228 | return ENOMEM; |
228 | } |
229 | } |
229 | device->device_id = device_id; |
230 | device->device_id = device_id; |
230 | if( ERROR_OCCURRED( arp_protos_initialize( & device->protos )) |
231 | if( ERROR_OCCURRED( arp_protos_initialize( & device->protos )) |
231 | || ERROR_OCCURRED( arp_proto_create( & proto, protocol, address ))){ |
232 | || ERROR_OCCURRED( arp_proto_create( & proto, protocol, address ))){ |
232 | rwlock_write_unlock( & arp_globals.lock ); |
233 | rwlock_write_unlock( & arp_globals.lock ); |
233 | free( device ); |
234 | free( device ); |
234 | return ERROR_CODE; |
235 | return ERROR_CODE; |
235 | } |
236 | } |
236 | if( ERROR_OCCURRED( arp_protos_add( & device->protos, proto->service, proto ))){ |
237 | if( ERROR_OCCURRED( arp_protos_add( & device->protos, proto->service, proto ))){ |
237 | rwlock_write_unlock( & arp_globals.lock ); |
238 | rwlock_write_unlock( & arp_globals.lock ); |
238 | arp_protos_destroy( & device->protos ); |
239 | arp_protos_destroy( & device->protos ); |
239 | free( device ); |
240 | free( device ); |
240 | return ERROR_CODE; |
241 | return ERROR_CODE; |
241 | } |
242 | } |
242 | device->service = service; |
243 | device->service = service; |
243 | // bind the new one |
244 | // bind the new one |
244 | device->phone = bind_service( device->service, device->device_id, SERVICE_ARP, 0, arp_receiver ); |
245 | device->phone = bind_service( device->service, device->device_id, SERVICE_ARP, 0, arp_receiver ); |
245 | // get packet dimensions |
246 | // get packet dimensions |
246 | if( ERROR_OCCURRED( async_req_1_4( device->phone, NET_NIL_PACKET_SPACE, device_id, & device->addr_len, & device->prefix, & device->content, & device->suffix ))){ |
247 | if( ERROR_OCCURRED( async_req_1_4( device->phone, NET_NIL_PACKET_SPACE, device_id, & device->addr_len, & device->prefix, & device->content, & device->suffix ))){ |
247 | rwlock_write_unlock( & arp_globals.lock ); |
248 | rwlock_write_unlock( & arp_globals.lock ); |
248 | arp_protos_destroy( & device->protos ); |
249 | arp_protos_destroy( & device->protos ); |
249 | free( device ); |
250 | free( device ); |
250 | return ERROR_CODE; |
251 | return ERROR_CODE; |
251 | } |
252 | } |
252 | // get hardware address |
253 | // get hardware address |
253 | message = async_send_1( device->phone, NET_NIL_ADDR, device->device_id, & answer ); |
254 | message = async_send_1( device->phone, NET_NIL_ADDR, device->device_id, & answer ); |
254 | if( ERROR_OCCURRED( measured_strings_return( device->phone, & device->addr, & device->addr_data, 1 ))){ |
255 | if( ERROR_OCCURRED( measured_strings_return( device->phone, & device->addr, & device->addr_data, 1 ))){ |
255 | rwlock_write_unlock( & arp_globals.lock ); |
256 | rwlock_write_unlock( & arp_globals.lock ); |
256 | arp_protos_destroy( & device->protos ); |
257 | arp_protos_destroy( & device->protos ); |
257 | free( device ); |
258 | free( device ); |
258 | async_wait_for( message, NULL ); |
259 | async_wait_for( message, NULL ); |
259 | return ERROR_CODE; |
260 | return ERROR_CODE; |
260 | } |
261 | } |
261 | async_wait_for( message, & result ); |
262 | async_wait_for( message, & result ); |
262 | if( ERROR_OCCURRED( result )){ |
263 | if( ERROR_OCCURRED( result )){ |
263 | rwlock_write_unlock( & arp_globals.lock ); |
264 | rwlock_write_unlock( & arp_globals.lock ); |
264 | free( device->addr ); |
265 | free( device->addr ); |
265 | free( device->addr_data ); |
266 | free( device->addr_data ); |
266 | arp_protos_destroy( & device->protos ); |
267 | arp_protos_destroy( & device->protos ); |
267 | free( device ); |
268 | free( device ); |
268 | return ERROR_CODE; |
269 | return ERROR_CODE; |
269 | } |
270 | } |
270 | // get broadcast address |
271 | // get broadcast address |
271 | message = async_send_1( device->phone, NET_NIL_BROADCAST_ADDR, device->device_id, & answer ); |
272 | message = async_send_1( device->phone, NET_NIL_BROADCAST_ADDR, device->device_id, & answer ); |
272 | if( ERROR_OCCURRED( measured_strings_return( device->phone, & device->broadcast_addr, & device->broadcast_data, 1 ))){ |
273 | if( ERROR_OCCURRED( measured_strings_return( device->phone, & device->broadcast_addr, & device->broadcast_data, 1 ))){ |
273 | rwlock_write_unlock( & arp_globals.lock ); |
274 | rwlock_write_unlock( & arp_globals.lock ); |
274 | free( device->addr ); |
275 | free( device->addr ); |
275 | free( device->addr_data ); |
276 | free( device->addr_data ); |
276 | arp_protos_destroy( & device->protos ); |
277 | arp_protos_destroy( & device->protos ); |
277 | free( device ); |
278 | free( device ); |
278 | async_wait_for( message, NULL ); |
279 | async_wait_for( message, NULL ); |
279 | return ERROR_CODE; |
280 | return ERROR_CODE; |
280 | } |
281 | } |
281 | async_wait_for( message, & result ); |
282 | async_wait_for( message, & result ); |
282 | // add to the cache |
283 | // add to the cache |
283 | if( ERROR_OCCURRED( result ) |
284 | if( ERROR_OCCURRED( result ) |
284 | || ERROR_OCCURRED( arp_cache_add( & arp_globals.cache, device->device_id, device ))){ |
285 | || ERROR_OCCURRED( arp_cache_add( & arp_globals.cache, device->device_id, device ))){ |
285 | rwlock_write_unlock( & arp_globals.lock ); |
286 | rwlock_write_unlock( & arp_globals.lock ); |
286 | free( device->addr ); |
287 | free( device->addr ); |
287 | free( device->addr_data ); |
288 | free( device->addr_data ); |
288 | free( device->broadcast_addr ); |
289 | free( device->broadcast_addr ); |
289 | free( device->broadcast_data ); |
290 | free( device->broadcast_data ); |
290 | arp_protos_destroy( & device->protos ); |
291 | arp_protos_destroy( & device->protos ); |
291 | free( device ); |
292 | free( device ); |
292 | return ERROR_CODE; |
293 | return ERROR_CODE; |
293 | } |
294 | } |
- | 295 | printf( "\nNew device registered:\n\tid\t= %d\n\ttype\t= %x\n\tservice\t= %d", device->device_id, device->hardware, device->service ); |
|
294 | } |
296 | } |
295 | rwlock_write_unlock( & arp_globals.lock ); |
297 | rwlock_write_unlock( & arp_globals.lock ); |
296 | return EOK; |
298 | return EOK; |
297 | } |
299 | } |
298 | 300 | ||
299 | measured_string_ref arp_translate_message( device_id_t device_id, services_t protocol, measured_string_ref target ){ |
301 | measured_string_ref arp_translate_message( device_id_t device_id, services_t protocol, measured_string_ref target ){ |
300 | arp_device_ref device; |
302 | arp_device_ref device; |
301 | arp_proto_ref proto; |
303 | arp_proto_ref proto; |
302 | measured_string_ref addr; |
304 | measured_string_ref addr; |
303 | size_t length; |
305 | size_t length; |
304 | packet_t packet; |
306 | packet_t packet; |
305 | arp_header_ref header; |
307 | arp_header_ref header; |
306 | 308 | ||
307 | if( ! target ) return NULL; |
309 | if( ! target ) return NULL; |
308 | rwlock_read_lock( & arp_globals.lock ); |
310 | rwlock_read_lock( & arp_globals.lock ); |
309 | device = arp_cache_find( & arp_globals.cache, device_id ); |
311 | device = arp_cache_find( & arp_globals.cache, device_id ); |
310 | if( ! device ){ |
312 | if( ! device ){ |
311 | rwlock_read_unlock( & arp_globals.lock ); |
313 | rwlock_read_unlock( & arp_globals.lock ); |
312 | return NULL; |
314 | return NULL; |
313 | } |
315 | } |
314 | proto = arp_protos_find( & device->protos, protocol ); |
316 | proto = arp_protos_find( & device->protos, protocol ); |
315 | if(( ! proto ) || ( proto->addr->length != target->length )){ |
317 | if(( ! proto ) || ( proto->addr->length != target->length )){ |
316 | rwlock_read_unlock( & arp_globals.lock ); |
318 | rwlock_read_unlock( & arp_globals.lock ); |
317 | return NULL; |
319 | return NULL; |
318 | } |
320 | } |
319 | addr = arp_addr_find( & proto->addresses, target->value, target->length ); |
321 | addr = arp_addr_find( & proto->addresses, target->value, target->length ); |
320 | if( addr ){ |
322 | if( addr ){ |
321 | rwlock_read_unlock( & arp_globals.lock ); |
323 | rwlock_read_unlock( & arp_globals.lock ); |
322 | return addr; |
324 | return addr; |
323 | } |
325 | } |
324 | // ARP packet content size = header + ( address + translation ) * 2 |
326 | // ARP packet content size = header + ( address + translation ) * 2 |
325 | length = 8 + ( CONVERT_SIZE( char, uint8_t, proto->addr->length ) + CONVERT_SIZE( char, uint8_t, device->addr->length )) * 2; |
327 | length = 8 + ( CONVERT_SIZE( char, uint8_t, proto->addr->length ) + CONVERT_SIZE( char, uint8_t, device->addr->length )) * 2; |
326 | if( length > device->content ){ |
328 | if( length > device->content ){ |
327 | rwlock_read_unlock( & arp_globals.lock ); |
329 | rwlock_read_unlock( & arp_globals.lock ); |
328 | return NULL; |
330 | return NULL; |
329 | } |
331 | } |
330 | packet = packet_get_4( arp_globals.networking_phone, device->addr_len, device->prefix, length, device->suffix ); |
332 | packet = packet_get_4( arp_globals.networking_phone, device->addr_len, device->prefix, length, device->suffix ); |
331 | if( ! packet ){ |
333 | if( ! packet ){ |
332 | rwlock_read_unlock( & arp_globals.lock ); |
334 | rwlock_read_unlock( & arp_globals.lock ); |
333 | return NULL; |
335 | return NULL; |
334 | } |
336 | } |
335 | header = ( arp_header_ref ) packet_suffix( packet, length ); |
337 | header = ( arp_header_ref ) packet_suffix( packet, length ); |
336 | header->hardware = device->hardware; |
338 | header->hardware = device->hardware; |
337 | header->hardware_length = device->addr->length; |
339 | header->hardware_length = device->addr->length; |
338 | header->protocol = protocol_map( device->service, protocol ); |
340 | header->protocol = protocol_map( device->service, protocol ); |
339 | header->protocol_length = proto->addr->length; |
341 | header->protocol_length = proto->addr->length; |
340 | header->operation = ARPOP_REQUEST; |
342 | header->operation = ARPOP_REQUEST; |
341 | length = sizeof( arp_header_t ); |
343 | length = sizeof( arp_header_t ); |
342 | memcpy((( uint8_t * ) header ) + length, device->addr->value, device->addr->length ); |
344 | memcpy((( uint8_t * ) header ) + length, device->addr->value, device->addr->length ); |
343 | length += device->addr->length; |
345 | length += device->addr->length; |
344 | memcpy((( uint8_t * ) header ) + length, proto->addr->value, proto->addr->length ); |
346 | memcpy((( uint8_t * ) header ) + length, proto->addr->value, proto->addr->length ); |
345 | length += proto->addr->length; |
347 | length += proto->addr->length; |
346 | memset((( uint8_t * ) header ) + length, 0, device->addr->length ); |
348 | memset((( uint8_t * ) header ) + length, 0, device->addr->length ); |
347 | length += device->addr->length; |
349 | length += device->addr->length; |
348 | memcpy((( uint8_t * ) header ) + length, target->value, target->length ); |
350 | memcpy((( uint8_t * ) header ) + length, target->value, target->length ); |
349 | packet_set_addr( packet, ( uint8_t * ) device->addr->value, ( uint8_t * ) device->broadcast_addr->value, CONVERT_SIZE( char, uint8_t, device->addr->length )); |
351 | packet_set_addr( packet, ( uint8_t * ) device->addr->value, ( uint8_t * ) device->broadcast_addr->value, CONVERT_SIZE( char, uint8_t, device->addr->length )); |
350 | async_msg_3( device->phone, NET_NETIF_SEND, device_id, SERVICE_ARP, packet_get_id( packet )); |
352 | async_msg_3( device->phone, NET_NETIF_SEND, device_id, SERVICE_ARP, packet_get_id( packet )); |
351 | rwlock_read_unlock( & arp_globals.lock ); |
353 | rwlock_read_unlock( & arp_globals.lock ); |
352 | return NULL; |
354 | return NULL; |
353 | } |
355 | } |
354 | 356 | ||
355 | int arp_receive_message( device_id_t device_id, packet_t packet ){ |
357 | int arp_receive_message( device_id_t device_id, packet_t packet ){ |
356 | ERROR_DECLARE; |
358 | ERROR_DECLARE; |
357 | 359 | ||
358 | size_t length; |
360 | size_t length; |
359 | arp_header_ref header; |
361 | arp_header_ref header; |
360 | arp_device_ref device; |
362 | arp_device_ref device; |
361 | arp_proto_ref proto; |
363 | arp_proto_ref proto; |
362 | measured_string_ref hw_source; |
364 | measured_string_ref hw_source; |
363 | uint8_t * src_hw; |
365 | uint8_t * src_hw; |
364 | uint8_t * src_proto; |
366 | uint8_t * src_proto; |
365 | uint8_t * des_hw; |
367 | uint8_t * des_hw; |
366 | uint8_t * des_proto; |
368 | uint8_t * des_proto; |
367 | 369 | ||
368 | length = packet_get_data_length( packet ); |
370 | length = packet_get_data_length( packet ); |
369 | if( length <= sizeof( arp_header_t )) return EINVAL; |
371 | if( length <= sizeof( arp_header_t )) return EINVAL; |
370 | rwlock_read_lock( & arp_globals.lock ); |
372 | rwlock_read_lock( & arp_globals.lock ); |
371 | device = arp_cache_find( & arp_globals.cache, device_id ); |
373 | device = arp_cache_find( & arp_globals.cache, device_id ); |
372 | if( ! device ){ |
374 | if( ! device ){ |
373 | rwlock_read_unlock( & arp_globals.lock ); |
375 | rwlock_read_unlock( & arp_globals.lock ); |
374 | return ENOENT; |
376 | return ENOENT; |
375 | } |
377 | } |
376 | header = ( arp_header_ref ) packet_get_data( packet ); |
378 | header = ( arp_header_ref ) packet_get_data( packet ); |
377 | if(( header->hardware != device->hardware ) |
379 | if(( header->hardware != device->hardware ) |
378 | || ( length < sizeof( arp_header_t ) + ( header->hardware_length + header->protocol_length ) * 2 )){ |
380 | || ( length < sizeof( arp_header_t ) + ( header->hardware_length + header->protocol_length ) * 2 )){ |
379 | rwlock_read_unlock( & arp_globals.lock ); |
381 | rwlock_read_unlock( & arp_globals.lock ); |
380 | return EINVAL; |
382 | return EINVAL; |
381 | } |
383 | } |
382 | proto = arp_protos_find( & device->protos, protocol_unmap( device->service, header->protocol )); |
384 | proto = arp_protos_find( & device->protos, protocol_unmap( device->service, header->protocol )); |
383 | if( ! proto ){ |
385 | if( ! proto ){ |
384 | rwlock_read_unlock( & arp_globals.lock ); |
386 | rwlock_read_unlock( & arp_globals.lock ); |
385 | return ENOENT; |
387 | return ENOENT; |
386 | } |
388 | } |
387 | src_hw = (( uint8_t * ) header ) + sizeof( arp_header_t ); |
389 | src_hw = (( uint8_t * ) header ) + sizeof( arp_header_t ); |
388 | src_proto = src_hw + header->hardware_length; |
390 | src_proto = src_hw + header->hardware_length; |
389 | des_hw = src_proto + header->protocol_length; |
391 | des_hw = src_proto + header->protocol_length; |
390 | des_proto = des_hw + header->hardware_length; |
392 | des_proto = des_hw + header->hardware_length; |
391 | hw_source = arp_addr_find( & proto->addresses, ( char * ) src_proto, CONVERT_SIZE( uint8_t, char, header->protocol_length )); |
393 | hw_source = arp_addr_find( & proto->addresses, ( char * ) src_proto, CONVERT_SIZE( uint8_t, char, header->protocol_length )); |
392 | // exists? |
394 | // exists? |
393 | if( hw_source ){ |
395 | if( hw_source ){ |
394 | if( hw_source->length != CONVERT_SIZE( uint8_t, char, header->hardware_length )){ |
396 | if( hw_source->length != CONVERT_SIZE( uint8_t, char, header->hardware_length )){ |
395 | rwlock_read_unlock( & arp_globals.lock ); |
397 | rwlock_read_unlock( & arp_globals.lock ); |
396 | return EINVAL; |
398 | return EINVAL; |
397 | } |
399 | } |
398 | memcpy( hw_source->value, src_hw, hw_source->length ); |
400 | memcpy( hw_source->value, src_hw, hw_source->length ); |
399 | } |
401 | } |
400 | // is my protocol address? |
402 | // is my protocol address? |
401 | if( proto->addr->length != CONVERT_SIZE( uint8_t, char, header->hardware_length )){ |
403 | if( proto->addr->length != CONVERT_SIZE( uint8_t, char, header->hardware_length )){ |
402 | rwlock_read_unlock( & arp_globals.lock ); |
404 | rwlock_read_unlock( & arp_globals.lock ); |
403 | return EINVAL; |
405 | return EINVAL; |
404 | } |
406 | } |
405 | if( ! strncmp( proto->addr->value, ( char * ) des_proto, proto->addr->length )){ |
407 | if( ! strncmp( proto->addr->value, ( char * ) des_proto, proto->addr->length )){ |
406 | // not already upadted? |
408 | // not already upadted? |
407 | if( ! hw_source ){ |
409 | if( ! hw_source ){ |
408 | hw_source = measured_string_create_bulk(( char * ) src_hw, CONVERT_SIZE( uint8_t, char, header->hardware_length )); |
410 | hw_source = measured_string_create_bulk(( char * ) src_hw, CONVERT_SIZE( uint8_t, char, header->hardware_length )); |
409 | if( ! hw_source ){ |
411 | if( ! hw_source ){ |
410 | rwlock_read_unlock( & arp_globals.lock ); |
412 | rwlock_read_unlock( & arp_globals.lock ); |
411 | return ENOMEM; |
413 | return ENOMEM; |
412 | } |
414 | } |
413 | if( ERROR_OCCURRED( arp_addr_add( & proto->addresses, ( char * ) src_proto, CONVERT_SIZE( uint8_t, char, header->protocol_length ), hw_source ))){ |
415 | if( ERROR_OCCURRED( arp_addr_add( & proto->addresses, ( char * ) src_proto, CONVERT_SIZE( uint8_t, char, header->protocol_length ), hw_source ))){ |
414 | rwlock_read_unlock( & arp_globals.lock ); |
416 | rwlock_read_unlock( & arp_globals.lock ); |
415 | return ERROR_CODE; |
417 | return ERROR_CODE; |
416 | } |
418 | } |
417 | } |
419 | } |
418 | if( header->operation == ARPOP_REQUEST ){ |
420 | if( header->operation == ARPOP_REQUEST ){ |
419 | header->operation = ARPOP_REPLY; |
421 | header->operation = ARPOP_REPLY; |
420 | memcpy( des_proto, src_proto, header->protocol_length ); |
422 | memcpy( des_proto, src_proto, header->protocol_length ); |
421 | memcpy( src_proto, proto->addr->value, header->protocol_length ); |
423 | memcpy( src_proto, proto->addr->value, header->protocol_length ); |
422 | memcpy( src_hw, des_hw, header->hardware_length ); |
424 | memcpy( src_hw, des_hw, header->hardware_length ); |
423 | memcpy( des_hw, hw_source->value, header->hardware_length ); |
425 | memcpy( des_hw, hw_source->value, header->hardware_length ); |
424 | packet_set_addr( packet, src_hw, des_hw, header->hardware_length ); |
426 | packet_set_addr( packet, src_hw, des_hw, header->hardware_length ); |
425 | async_msg_3( device->phone, NET_NETIF_SEND, device_id, SERVICE_ARP, packet_get_id( packet )); |
427 | async_msg_3( device->phone, NET_NETIF_SEND, device_id, SERVICE_ARP, packet_get_id( packet )); |
426 | rwlock_read_unlock( & arp_globals.lock ); |
428 | rwlock_read_unlock( & arp_globals.lock ); |
427 | }else{ |
429 | }else{ |
428 | rwlock_read_unlock( & arp_globals.lock ); |
430 | rwlock_read_unlock( & arp_globals.lock ); |
429 | packet_release( arp_globals.networking_phone, packet_get_id( packet )); |
431 | packet_release( arp_globals.networking_phone, packet_get_id( packet )); |
430 | } |
432 | } |
431 | } |
433 | } |
432 | return EOK; |
434 | return EOK; |
433 | } |
435 | } |
434 | 436 | ||
435 | int arp_clear_device_message( device_id_t device_id ){ |
437 | int arp_clear_device_message( device_id_t device_id ){ |
436 | arp_device_ref device; |
438 | arp_device_ref device; |
437 | 439 | ||
438 | rwlock_write_lock( & arp_globals.lock ); |
440 | rwlock_write_lock( & arp_globals.lock ); |
439 | device = arp_cache_find( & arp_globals.cache, device_id ); |
441 | device = arp_cache_find( & arp_globals.cache, device_id ); |
440 | if( ! device ){ |
442 | if( ! device ){ |
441 | rwlock_write_unlock( & arp_globals.lock ); |
443 | rwlock_write_unlock( & arp_globals.lock ); |
442 | return ENOENT; |
444 | return ENOENT; |
443 | } |
445 | } |
444 | clear_device( device ); |
446 | clear_device( device ); |
- | 447 | printf( "\nDevice %d cleared", device_id ); |
|
445 | rwlock_write_unlock( & arp_globals.lock ); |
448 | rwlock_write_unlock( & arp_globals.lock ); |
446 | return EOK; |
449 | return EOK; |
447 | } |
450 | } |
448 | 451 | ||
449 | void clear_device( arp_device_ref device ){ |
452 | void clear_device( arp_device_ref device ){ |
450 | int count; |
453 | int count; |
451 | arp_proto_ref proto; |
454 | arp_proto_ref proto; |
452 | 455 | ||
453 | count = arp_protos_count( & device->protos ); |
456 | count = arp_protos_count( & device->protos ); |
454 | while( count > 0 ){ |
457 | while( count > 0 ){ |
455 | proto = arp_protos_get_index( & device->protos, count ); |
458 | proto = arp_protos_get_index( & device->protos, count ); |
456 | if( proto->addr ) free( proto->addr ); |
459 | if( proto->addr ) free( proto->addr ); |
457 | if( proto->addr_data ) free( proto->addr_data ); |
460 | if( proto->addr_data ) free( proto->addr_data ); |
458 | arp_addr_destroy( & proto->addresses ); |
461 | arp_addr_destroy( & proto->addresses ); |
459 | -- count; |
462 | -- count; |
460 | } |
463 | } |
461 | arp_protos_clear( & device->protos ); |
464 | arp_protos_clear( & device->protos ); |
462 | } |
465 | } |
463 | 466 | ||
464 | int arp_clean_cache_message( void ){ |
467 | int arp_clean_cache_message( void ){ |
465 | int count; |
468 | int count; |
466 | arp_device_ref device; |
469 | arp_device_ref device; |
467 | 470 | ||
468 | rwlock_write_lock( & arp_globals.lock ); |
471 | rwlock_write_lock( & arp_globals.lock ); |
469 | count = arp_cache_count( & arp_globals.cache ); |
472 | count = arp_cache_count( & arp_globals.cache ); |
470 | while( count > 0 ){ |
473 | while( count > 0 ){ |
471 | device = arp_cache_get_index( & arp_globals.cache, count ); |
474 | device = arp_cache_get_index( & arp_globals.cache, count ); |
472 | if( device ){ |
475 | if( device ){ |
473 | clear_device( device ); |
476 | clear_device( device ); |
474 | if( device->addr_data ) free( device->addr_data ); |
477 | if( device->addr_data ) free( device->addr_data ); |
475 | if( device->broadcast_data ) free( device->broadcast_data ); |
478 | if( device->broadcast_data ) free( device->broadcast_data ); |
476 | } |
479 | } |
477 | } |
480 | } |
478 | arp_cache_clear( & arp_globals.cache ); |
481 | arp_cache_clear( & arp_globals.cache ); |
479 | rwlock_write_lock( & arp_globals.lock ); |
482 | rwlock_write_unlock( & arp_globals.lock ); |
- | 483 | printf( "\nCache cleaned" ); |
|
480 | return EOK; |
484 | return EOK; |
481 | } |
485 | } |
482 | 486 | ||
483 | int arp_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){ |
487 | int arp_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){ |
484 | ERROR_DECLARE; |
488 | ERROR_DECLARE; |
485 | 489 | ||
486 | measured_string_ref address; |
490 | measured_string_ref address; |
487 | measured_string_ref translation; |
491 | measured_string_ref translation; |
488 | char * data; |
492 | char * data; |
489 | 493 | ||
490 | * answer_count = 0; |
494 | * answer_count = 0; |
491 | switch( IPC_GET_METHOD( * call )){ |
495 | switch( IPC_GET_METHOD( * call )){ |
492 | case IPC_M_PHONE_HUNGUP: |
496 | case IPC_M_PHONE_HUNGUP: |
493 | return EOK; |
497 | return EOK; |
494 | case NET_ARP_DEVICE: |
498 | case NET_ARP_DEVICE: |
495 | ERROR_PROPAGATE( measured_strings_receive( & address, & data, 1 )); |
499 | ERROR_PROPAGATE( measured_strings_receive( & address, & data, 1 )); |
496 | if( ERROR_OCCURRED( arp_device_message( IPC_GET_DEVICE( call ), IPC_GET_SERVICE( call ), IPC_GET_PROTO( call ), address ))){ |
500 | if( ERROR_OCCURRED( arp_device_message( IPC_GET_DEVICE( call ), IPC_GET_SERVICE( call ), IPC_GET_PROTO( call ), address ))){ |
497 | free( address ); |
501 | free( address ); |
498 | free( data ); |
502 | free( data ); |
499 | } |
503 | } |
500 | return ERROR_CODE; |
504 | return ERROR_CODE; |
501 | case NET_ARP_TRANSLATE: |
505 | case NET_ARP_TRANSLATE: |
502 | ERROR_PROPAGATE( measured_strings_receive( & address, & data, 1 )); |
506 | ERROR_PROPAGATE( measured_strings_receive( & address, & data, 1 )); |
503 | translation = arp_translate_message( IPC_GET_DEVICE( call ), IPC_GET_PROTO( call ), address ); |
507 | translation = arp_translate_message( IPC_GET_DEVICE( call ), IPC_GET_PROTO( call ), address ); |
504 | free( address ); |
508 | free( address ); |
505 | free( data ); |
509 | free( data ); |
506 | if( ! translation ) return ENOENT; |
510 | if( ! translation ) return ENOENT; |
507 | return measured_strings_reply( translation, 1 ); |
511 | return measured_strings_reply( translation, 1 ); |
508 | case NET_ARP_CLEAR_DEVICE: |
512 | case NET_ARP_CLEAR_DEVICE: |
509 | return arp_clear_device_message( IPC_GET_DEVICE( call )); |
513 | return arp_clear_device_message( IPC_GET_DEVICE( call )); |
510 | case NET_ARP_CLEAN_CACHE: |
514 | case NET_ARP_CLEAN_CACHE: |
511 | return arp_clean_cache_message(); |
515 | return arp_clean_cache_message(); |
512 | } |
516 | } |
513 | return ENOTSUP; |
517 | return ENOTSUP; |
514 | } |
518 | } |
515 | 519 | ||
516 | void arp_receiver( ipc_callid_t iid, ipc_call_t * icall ){ |
520 | void arp_receiver( ipc_callid_t iid, ipc_call_t * icall ){ |
517 | ERROR_DECLARE; |
521 | ERROR_DECLARE; |
518 | 522 | ||
519 | packet_t packet; |
523 | packet_t packet; |
520 | 524 | ||
521 | while( true ){ |
525 | while( true ){ |
522 | switch( IPC_GET_METHOD( * icall )){ |
526 | switch( IPC_GET_METHOD( * icall )){ |
523 | case NET_IL_DEVICE_STATE: |
527 | case NET_IL_DEVICE_STATE: |
524 | // do nothing - keep the cache |
528 | // do nothing - keep the cache |
525 | ipc_answer_0( iid, EOK ); |
529 | ipc_answer_0( iid, EOK ); |
526 | break; |
530 | break; |
527 | case NET_IL_RECEIVED: |
531 | case NET_IL_RECEIVED: |
528 | if( ! ERROR_OCCURRED( packet_translate( arp_globals.networking_phone, & packet, IPC_GET_PACKET( icall )))){ |
532 | if( ! ERROR_OCCURRED( packet_translate( arp_globals.networking_phone, & packet, IPC_GET_PACKET( icall )))){ |
529 | ERROR_CODE = arp_receive_message( IPC_GET_DEVICE( icall ), packet ); |
533 | ERROR_CODE = arp_receive_message( IPC_GET_DEVICE( icall ), packet ); |
530 | } |
534 | } |
531 | ipc_answer_0( iid, ERROR_CODE ); |
535 | ipc_answer_0( iid, ERROR_CODE ); |
532 | break; |
536 | break; |
533 | default: |
537 | default: |
534 | ipc_answer_0( iid, ENOTSUP ); |
538 | ipc_answer_0( iid, ENOTSUP ); |
535 | } |
539 | } |
536 | iid = async_get_call( icall ); |
540 | iid = async_get_call( icall ); |
537 | } |
541 | } |
538 | } |
542 | } |
539 | 543 | ||
540 | /** @} |
544 | /** @} |
541 | */ |
545 | */ |
542 | 546 |