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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 <rwlock.h> |
41 | #include <rwlock.h> |
41 | #include <stdio.h> |
42 | #include <stdio.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 | int index; |
|
195 | 196 | ||
196 | rwlock_write_lock( & arp_globals.lock ); |
197 | rwlock_write_lock( & arp_globals.lock ); |
197 | // an existing device? |
198 | // an existing device? |
198 | device = arp_cache_find( & arp_globals.cache, device_id ); |
199 | device = arp_cache_find( & arp_globals.cache, device_id ); |
199 | if( device ){ |
200 | if( device ){ |
200 | if( device->service != service ){ |
201 | if( device->service != service ){ |
201 | printf( "\nDevice %d already exists", device->device_id ); |
202 | printf( "\nDevice %d already exists", device->device_id ); |
202 | rwlock_write_unlock( & arp_globals.lock ); |
203 | rwlock_write_unlock( & arp_globals.lock ); |
203 | return EEXIST; |
204 | return EEXIST; |
204 | } |
205 | } |
205 | proto = arp_protos_find( & device->protos, protocol ); |
206 | proto = arp_protos_find( & device->protos, protocol ); |
206 | if( proto ){ |
207 | if( proto ){ |
207 | free( proto->addr ); |
208 | free( proto->addr ); |
208 | free( proto->addr_data ); |
209 | free( proto->addr_data ); |
209 | proto->addr = address; |
210 | proto->addr = address; |
210 | proto->addr_data = address->value; |
211 | proto->addr_data = address->value; |
211 | }else{ |
212 | }else{ |
212 | if( ERROR_OCCURRED( arp_proto_create( & proto, protocol, address ))){ |
213 | if( ERROR_OCCURRED( arp_proto_create( & proto, protocol, address ))){ |
213 | rwlock_write_unlock( & arp_globals.lock ); |
214 | rwlock_write_unlock( & arp_globals.lock ); |
214 | return ERROR_CODE; |
215 | return ERROR_CODE; |
215 | } |
216 | } |
216 | if( ERROR_OCCURRED( arp_protos_add( & device->protos, proto->service, proto ))){ |
217 | index = arp_protos_add( & device->protos, proto->service, proto ); |
- | 218 | if( index < 0 ){ |
|
217 | rwlock_write_unlock( & arp_globals.lock ); |
219 | rwlock_write_unlock( & arp_globals.lock ); |
218 | free( proto ); |
220 | free( proto ); |
219 | return ERROR_CODE; |
221 | return result; |
220 | } |
222 | } |
221 | } |
223 | } |
222 | printf( "\nCache of the existing device %d cleaned", device->device_id ); |
224 | printf( "\nCache of the existing device %d cleaned", device->device_id ); |
223 | }else{ |
225 | }else{ |
- | 226 | index = protocol_map( service, protocol ); |
|
- | 227 | if( ! index ) return ENOENT; |
|
224 | // create a new device |
228 | // create a new device |
225 | device = ( arp_device_ref ) malloc( sizeof( arp_device_t )); |
229 | device = ( arp_device_ref ) malloc( sizeof( arp_device_t )); |
226 | if( ! device ){ |
230 | if( ! device ){ |
227 | rwlock_write_unlock( & arp_globals.lock ); |
231 | rwlock_write_unlock( & arp_globals.lock ); |
228 | return ENOMEM; |
232 | return ENOMEM; |
229 | } |
233 | } |
- | 234 | device->hardware = index; |
|
230 | device->device_id = device_id; |
235 | device->device_id = device_id; |
231 | if( ERROR_OCCURRED( arp_protos_initialize( & device->protos )) |
236 | if( ERROR_OCCURRED( arp_protos_initialize( & device->protos )) |
232 | || ERROR_OCCURRED( arp_proto_create( & proto, protocol, address ))){ |
237 | || ERROR_OCCURRED( arp_proto_create( & proto, protocol, address ))){ |
233 | rwlock_write_unlock( & arp_globals.lock ); |
238 | rwlock_write_unlock( & arp_globals.lock ); |
234 | free( device ); |
239 | free( device ); |
235 | return ERROR_CODE; |
240 | return ERROR_CODE; |
236 | } |
241 | } |
237 | if( ERROR_OCCURRED( arp_protos_add( & device->protos, proto->service, proto ))){ |
242 | index = arp_protos_add( & device->protos, proto->service, proto ); |
- | 243 | if( index < 0 ){ |
|
238 | rwlock_write_unlock( & arp_globals.lock ); |
244 | rwlock_write_unlock( & arp_globals.lock ); |
239 | arp_protos_destroy( & device->protos ); |
245 | arp_protos_destroy( & device->protos ); |
240 | free( device ); |
246 | free( device ); |
241 | return ERROR_CODE; |
247 | return index; |
242 | } |
248 | } |
243 | device->service = service; |
249 | device->service = service; |
244 | // bind the new one |
250 | // bind the new one |
245 | device->phone = bind_service( device->service, device->device_id, SERVICE_ARP, 0, arp_receiver ); |
251 | device->phone = bind_service( device->service, device->device_id, SERVICE_ARP, 0, arp_receiver ); |
- | 252 | if( device->phone < 0 ){ |
|
- | 253 | rwlock_write_unlock( & arp_globals.lock ); |
|
- | 254 | arp_protos_destroy( & device->protos ); |
|
- | 255 | free( device ); |
|
- | 256 | return EREFUSED; |
|
- | 257 | } |
|
246 | // get packet dimensions |
258 | // get packet dimensions |
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 ))){ |
259 | if( ERROR_OCCURRED( async_req_1_4( device->phone, NET_NIL_PACKET_SPACE, device_id, & device->addr_len, & device->prefix, & device->content, & device->suffix ))){ |
248 | rwlock_write_unlock( & arp_globals.lock ); |
260 | rwlock_write_unlock( & arp_globals.lock ); |
249 | arp_protos_destroy( & device->protos ); |
261 | arp_protos_destroy( & device->protos ); |
250 | free( device ); |
262 | free( device ); |
251 | return ERROR_CODE; |
263 | return ERROR_CODE; |
252 | } |
264 | } |
253 | // get hardware address |
265 | // get hardware address |
254 | message = async_send_1( device->phone, NET_NIL_ADDR, device->device_id, & answer ); |
266 | message = async_send_1( device->phone, NET_NIL_ADDR, device->device_id, & answer ); |
255 | if( ERROR_OCCURRED( measured_strings_return( device->phone, & device->addr, & device->addr_data, 1 ))){ |
267 | if( ERROR_OCCURRED( measured_strings_return( device->phone, & device->addr, & device->addr_data, 1 ))){ |
256 | rwlock_write_unlock( & arp_globals.lock ); |
268 | rwlock_write_unlock( & arp_globals.lock ); |
257 | arp_protos_destroy( & device->protos ); |
269 | arp_protos_destroy( & device->protos ); |
258 | free( device ); |
270 | free( device ); |
259 | async_wait_for( message, NULL ); |
271 | async_wait_for( message, NULL ); |
260 | return ERROR_CODE; |
272 | return ERROR_CODE; |
261 | } |
273 | } |
262 | async_wait_for( message, & result ); |
274 | async_wait_for( message, & result ); |
263 | if( ERROR_OCCURRED( result )){ |
275 | if( ERROR_OCCURRED( result )){ |
264 | rwlock_write_unlock( & arp_globals.lock ); |
276 | rwlock_write_unlock( & arp_globals.lock ); |
265 | free( device->addr ); |
277 | free( device->addr ); |
266 | free( device->addr_data ); |
278 | free( device->addr_data ); |
267 | arp_protos_destroy( & device->protos ); |
279 | arp_protos_destroy( & device->protos ); |
268 | free( device ); |
280 | free( device ); |
269 | return ERROR_CODE; |
281 | return ERROR_CODE; |
270 | } |
282 | } |
271 | // get broadcast address |
283 | // get broadcast address |
272 | message = async_send_1( device->phone, NET_NIL_BROADCAST_ADDR, device->device_id, & answer ); |
284 | message = async_send_1( device->phone, NET_NIL_BROADCAST_ADDR, device->device_id, & answer ); |
273 | if( ERROR_OCCURRED( measured_strings_return( device->phone, & device->broadcast_addr, & device->broadcast_data, 1 ))){ |
285 | if( ERROR_OCCURRED( measured_strings_return( device->phone, & device->broadcast_addr, & device->broadcast_data, 1 ))){ |
274 | rwlock_write_unlock( & arp_globals.lock ); |
286 | rwlock_write_unlock( & arp_globals.lock ); |
275 | free( device->addr ); |
287 | free( device->addr ); |
276 | free( device->addr_data ); |
288 | free( device->addr_data ); |
277 | arp_protos_destroy( & device->protos ); |
289 | arp_protos_destroy( & device->protos ); |
278 | free( device ); |
290 | free( device ); |
279 | async_wait_for( message, NULL ); |
291 | async_wait_for( message, NULL ); |
280 | return ERROR_CODE; |
292 | return ERROR_CODE; |
281 | } |
293 | } |
282 | async_wait_for( message, & result ); |
294 | async_wait_for( message, & result ); |
283 | // add to the cache |
295 | // add to the cache |
284 | if( ERROR_OCCURRED( result ) |
296 | if( ERROR_OCCURRED( result ) |
285 | || ERROR_OCCURRED( arp_cache_add( & arp_globals.cache, device->device_id, device ))){ |
297 | || ERROR_OCCURRED( arp_cache_add( & arp_globals.cache, device->device_id, device ))){ |
286 | rwlock_write_unlock( & arp_globals.lock ); |
298 | rwlock_write_unlock( & arp_globals.lock ); |
287 | free( device->addr ); |
299 | free( device->addr ); |
288 | free( device->addr_data ); |
300 | free( device->addr_data ); |
289 | free( device->broadcast_addr ); |
301 | free( device->broadcast_addr ); |
290 | free( device->broadcast_data ); |
302 | free( device->broadcast_data ); |
291 | arp_protos_destroy( & device->protos ); |
303 | arp_protos_destroy( & device->protos ); |
292 | free( device ); |
304 | free( device ); |
293 | return ERROR_CODE; |
305 | return ERROR_CODE; |
294 | } |
306 | } |
295 | printf( "\nNew device registered:\n\tid\t= %d\n\ttype\t= %x\n\tservice\t= %d", device->device_id, device->hardware, device->service ); |
307 | printf( "\nNew device registered:\n\tid\t= %d\n\ttype\t= 0x%x\n\tservice\t= %d", device->device_id, device->hardware, device->service ); |
296 | } |
308 | } |
297 | rwlock_write_unlock( & arp_globals.lock ); |
309 | rwlock_write_unlock( & arp_globals.lock ); |
298 | return EOK; |
310 | return EOK; |
299 | } |
311 | } |
300 | 312 | ||
301 | measured_string_ref arp_translate_message( device_id_t device_id, services_t protocol, measured_string_ref target ){ |
313 | measured_string_ref arp_translate_message( device_id_t device_id, services_t protocol, measured_string_ref target ){ |
302 | arp_device_ref device; |
314 | arp_device_ref device; |
303 | arp_proto_ref proto; |
315 | arp_proto_ref proto; |
304 | measured_string_ref addr; |
316 | measured_string_ref addr; |
305 | size_t length; |
317 | size_t length; |
306 | packet_t packet; |
318 | packet_t packet; |
307 | arp_header_ref header; |
319 | arp_header_ref header; |
308 | 320 | ||
309 | if( ! target ) return NULL; |
321 | if( ! target ) return NULL; |
310 | rwlock_read_lock( & arp_globals.lock ); |
322 | rwlock_read_lock( & arp_globals.lock ); |
311 | device = arp_cache_find( & arp_globals.cache, device_id ); |
323 | device = arp_cache_find( & arp_globals.cache, device_id ); |
312 | if( ! device ){ |
324 | if( ! device ){ |
313 | rwlock_read_unlock( & arp_globals.lock ); |
325 | rwlock_read_unlock( & arp_globals.lock ); |
314 | return NULL; |
326 | return NULL; |
315 | } |
327 | } |
316 | proto = arp_protos_find( & device->protos, protocol ); |
328 | proto = arp_protos_find( & device->protos, protocol ); |
317 | if(( ! proto ) || ( proto->addr->length != target->length )){ |
329 | if(( ! proto ) || ( proto->addr->length != target->length )){ |
318 | rwlock_read_unlock( & arp_globals.lock ); |
330 | rwlock_read_unlock( & arp_globals.lock ); |
319 | return NULL; |
331 | return NULL; |
320 | } |
332 | } |
321 | addr = arp_addr_find( & proto->addresses, target->value, target->length ); |
333 | addr = arp_addr_find( & proto->addresses, target->value, target->length ); |
322 | if( addr ){ |
334 | if( addr ){ |
323 | rwlock_read_unlock( & arp_globals.lock ); |
335 | rwlock_read_unlock( & arp_globals.lock ); |
324 | return addr; |
336 | return addr; |
325 | } |
337 | } |
326 | // ARP packet content size = header + ( address + translation ) * 2 |
338 | // ARP packet content size = header + ( address + translation ) * 2 |
327 | length = 8 + ( CONVERT_SIZE( char, uint8_t, proto->addr->length ) + CONVERT_SIZE( char, uint8_t, device->addr->length )) * 2; |
339 | length = 8 + ( CONVERT_SIZE( char, uint8_t, proto->addr->length ) + CONVERT_SIZE( char, uint8_t, device->addr->length )) * 2; |
328 | if( length > device->content ){ |
340 | if( length > device->content ){ |
329 | rwlock_read_unlock( & arp_globals.lock ); |
341 | rwlock_read_unlock( & arp_globals.lock ); |
330 | return NULL; |
342 | return NULL; |
331 | } |
343 | } |
332 | packet = packet_get_4( arp_globals.networking_phone, device->addr_len, device->prefix, length, device->suffix ); |
344 | packet = packet_get_4( arp_globals.networking_phone, device->addr_len, device->prefix, length, device->suffix ); |
333 | if( ! packet ){ |
345 | if( ! packet ){ |
334 | rwlock_read_unlock( & arp_globals.lock ); |
346 | rwlock_read_unlock( & arp_globals.lock ); |
335 | return NULL; |
347 | return NULL; |
336 | } |
348 | } |
337 | header = ( arp_header_ref ) packet_suffix( packet, length ); |
349 | header = ( arp_header_ref ) packet_suffix( packet, length ); |
338 | header->hardware = device->hardware; |
350 | header->hardware = device->hardware; |
339 | header->hardware_length = device->addr->length; |
351 | header->hardware_length = device->addr->length; |
340 | header->protocol = protocol_map( device->service, protocol ); |
352 | header->protocol = protocol_map( device->service, protocol ); |
341 | header->protocol_length = proto->addr->length; |
353 | header->protocol_length = proto->addr->length; |
342 | header->operation = ARPOP_REQUEST; |
354 | header->operation = ARPOP_REQUEST; |
343 | length = sizeof( arp_header_t ); |
355 | length = sizeof( arp_header_t ); |
344 | memcpy((( uint8_t * ) header ) + length, device->addr->value, device->addr->length ); |
356 | memcpy((( uint8_t * ) header ) + length, device->addr->value, device->addr->length ); |
345 | length += device->addr->length; |
357 | length += device->addr->length; |
346 | memcpy((( uint8_t * ) header ) + length, proto->addr->value, proto->addr->length ); |
358 | memcpy((( uint8_t * ) header ) + length, proto->addr->value, proto->addr->length ); |
347 | length += proto->addr->length; |
359 | length += proto->addr->length; |
348 | memset((( uint8_t * ) header ) + length, 0, device->addr->length ); |
360 | bzero((( uint8_t * ) header ) + length, device->addr->length ); |
349 | length += device->addr->length; |
361 | length += device->addr->length; |
350 | memcpy((( uint8_t * ) header ) + length, target->value, target->length ); |
362 | memcpy((( uint8_t * ) header ) + length, target->value, target->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 )); |
363 | packet_set_addr( packet, ( uint8_t * ) device->addr->value, ( uint8_t * ) device->broadcast_addr->value, CONVERT_SIZE( char, uint8_t, device->addr->length )); |
352 | async_msg_3( device->phone, NET_NETIF_SEND, device_id, SERVICE_ARP, packet_get_id( packet )); |
364 | async_msg_3( device->phone, NET_NETIF_SEND, device_id, SERVICE_ARP, packet_get_id( packet )); |
353 | rwlock_read_unlock( & arp_globals.lock ); |
365 | rwlock_read_unlock( & arp_globals.lock ); |
354 | return NULL; |
366 | return NULL; |
355 | } |
367 | } |
356 | 368 | ||
357 | int arp_receive_message( device_id_t device_id, packet_t packet ){ |
369 | int arp_receive_message( device_id_t device_id, packet_t packet ){ |
358 | ERROR_DECLARE; |
370 | ERROR_DECLARE; |
359 | 371 | ||
360 | size_t length; |
372 | size_t length; |
361 | arp_header_ref header; |
373 | arp_header_ref header; |
362 | arp_device_ref device; |
374 | arp_device_ref device; |
363 | arp_proto_ref proto; |
375 | arp_proto_ref proto; |
364 | measured_string_ref hw_source; |
376 | measured_string_ref hw_source; |
365 | uint8_t * src_hw; |
377 | uint8_t * src_hw; |
366 | uint8_t * src_proto; |
378 | uint8_t * src_proto; |
367 | uint8_t * des_hw; |
379 | uint8_t * des_hw; |
368 | uint8_t * des_proto; |
380 | uint8_t * des_proto; |
369 | 381 | ||
370 | length = packet_get_data_length( packet ); |
382 | length = packet_get_data_length( packet ); |
371 | if( length <= sizeof( arp_header_t )) return EINVAL; |
383 | if( length <= sizeof( arp_header_t )) return EINVAL; |
372 | rwlock_read_lock( & arp_globals.lock ); |
384 | rwlock_read_lock( & arp_globals.lock ); |
373 | device = arp_cache_find( & arp_globals.cache, device_id ); |
385 | device = arp_cache_find( & arp_globals.cache, device_id ); |
374 | if( ! device ){ |
386 | if( ! device ){ |
375 | rwlock_read_unlock( & arp_globals.lock ); |
387 | rwlock_read_unlock( & arp_globals.lock ); |
376 | return ENOENT; |
388 | return ENOENT; |
377 | } |
389 | } |
378 | header = ( arp_header_ref ) packet_get_data( packet ); |
390 | header = ( arp_header_ref ) packet_get_data( packet ); |
379 | if(( header->hardware != device->hardware ) |
391 | if(( header->hardware != device->hardware ) |
380 | || ( length < sizeof( arp_header_t ) + ( header->hardware_length + header->protocol_length ) * 2 )){ |
392 | || ( length < sizeof( arp_header_t ) + ( header->hardware_length + header->protocol_length ) * 2 )){ |
381 | rwlock_read_unlock( & arp_globals.lock ); |
393 | rwlock_read_unlock( & arp_globals.lock ); |
382 | return EINVAL; |
394 | return EINVAL; |
383 | } |
395 | } |
384 | proto = arp_protos_find( & device->protos, protocol_unmap( device->service, header->protocol )); |
396 | proto = arp_protos_find( & device->protos, protocol_unmap( device->service, header->protocol )); |
385 | if( ! proto ){ |
397 | if( ! proto ){ |
386 | rwlock_read_unlock( & arp_globals.lock ); |
398 | rwlock_read_unlock( & arp_globals.lock ); |
387 | return ENOENT; |
399 | return ENOENT; |
388 | } |
400 | } |
389 | src_hw = (( uint8_t * ) header ) + sizeof( arp_header_t ); |
401 | src_hw = (( uint8_t * ) header ) + sizeof( arp_header_t ); |
390 | src_proto = src_hw + header->hardware_length; |
402 | src_proto = src_hw + header->hardware_length; |
391 | des_hw = src_proto + header->protocol_length; |
403 | des_hw = src_proto + header->protocol_length; |
392 | des_proto = des_hw + header->hardware_length; |
404 | des_proto = des_hw + header->hardware_length; |
393 | hw_source = arp_addr_find( & proto->addresses, ( char * ) src_proto, CONVERT_SIZE( uint8_t, char, header->protocol_length )); |
405 | hw_source = arp_addr_find( & proto->addresses, ( char * ) src_proto, CONVERT_SIZE( uint8_t, char, header->protocol_length )); |
394 | // exists? |
406 | // exists? |
395 | if( hw_source ){ |
407 | if( hw_source ){ |
396 | if( hw_source->length != CONVERT_SIZE( uint8_t, char, header->hardware_length )){ |
408 | if( hw_source->length != CONVERT_SIZE( uint8_t, char, header->hardware_length )){ |
397 | rwlock_read_unlock( & arp_globals.lock ); |
409 | rwlock_read_unlock( & arp_globals.lock ); |
398 | return EINVAL; |
410 | return EINVAL; |
399 | } |
411 | } |
400 | memcpy( hw_source->value, src_hw, hw_source->length ); |
412 | memcpy( hw_source->value, src_hw, hw_source->length ); |
401 | } |
413 | } |
402 | // is my protocol address? |
414 | // is my protocol address? |
403 | if( proto->addr->length != CONVERT_SIZE( uint8_t, char, header->hardware_length )){ |
415 | if( proto->addr->length != CONVERT_SIZE( uint8_t, char, header->hardware_length )){ |
404 | rwlock_read_unlock( & arp_globals.lock ); |
416 | rwlock_read_unlock( & arp_globals.lock ); |
405 | return EINVAL; |
417 | return EINVAL; |
406 | } |
418 | } |
407 | if( ! strncmp( proto->addr->value, ( char * ) des_proto, proto->addr->length )){ |
419 | if( ! strncmp( proto->addr->value, ( char * ) des_proto, proto->addr->length )){ |
408 | // not already upadted? |
420 | // not already upadted? |
409 | if( ! hw_source ){ |
421 | if( ! hw_source ){ |
410 | hw_source = measured_string_create_bulk(( char * ) src_hw, CONVERT_SIZE( uint8_t, char, header->hardware_length )); |
422 | hw_source = measured_string_create_bulk(( char * ) src_hw, CONVERT_SIZE( uint8_t, char, header->hardware_length )); |
411 | if( ! hw_source ){ |
423 | if( ! hw_source ){ |
412 | rwlock_read_unlock( & arp_globals.lock ); |
424 | rwlock_read_unlock( & arp_globals.lock ); |
413 | return ENOMEM; |
425 | return ENOMEM; |
414 | } |
426 | } |
415 | if( ERROR_OCCURRED( arp_addr_add( & proto->addresses, ( char * ) src_proto, CONVERT_SIZE( uint8_t, char, header->protocol_length ), hw_source ))){ |
427 | if( ERROR_OCCURRED( arp_addr_add( & proto->addresses, ( char * ) src_proto, CONVERT_SIZE( uint8_t, char, header->protocol_length ), hw_source ))){ |
416 | rwlock_read_unlock( & arp_globals.lock ); |
428 | rwlock_read_unlock( & arp_globals.lock ); |
417 | return ERROR_CODE; |
429 | return ERROR_CODE; |
418 | } |
430 | } |
419 | } |
431 | } |
420 | if( header->operation == ARPOP_REQUEST ){ |
432 | if( header->operation == ARPOP_REQUEST ){ |
421 | header->operation = ARPOP_REPLY; |
433 | header->operation = ARPOP_REPLY; |
422 | memcpy( des_proto, src_proto, header->protocol_length ); |
434 | memcpy( des_proto, src_proto, header->protocol_length ); |
423 | memcpy( src_proto, proto->addr->value, header->protocol_length ); |
435 | memcpy( src_proto, proto->addr->value, header->protocol_length ); |
424 | memcpy( src_hw, des_hw, header->hardware_length ); |
436 | memcpy( src_hw, des_hw, header->hardware_length ); |
425 | memcpy( des_hw, hw_source->value, header->hardware_length ); |
437 | memcpy( des_hw, hw_source->value, header->hardware_length ); |
426 | packet_set_addr( packet, src_hw, des_hw, header->hardware_length ); |
438 | packet_set_addr( packet, src_hw, des_hw, header->hardware_length ); |
427 | async_msg_3( device->phone, NET_NETIF_SEND, device_id, SERVICE_ARP, packet_get_id( packet )); |
439 | async_msg_3( device->phone, NET_NETIF_SEND, device_id, SERVICE_ARP, packet_get_id( packet )); |
428 | rwlock_read_unlock( & arp_globals.lock ); |
440 | rwlock_read_unlock( & arp_globals.lock ); |
429 | }else{ |
441 | }else{ |
430 | rwlock_read_unlock( & arp_globals.lock ); |
442 | rwlock_read_unlock( & arp_globals.lock ); |
431 | packet_release( arp_globals.networking_phone, packet_get_id( packet )); |
443 | pq_release( arp_globals.networking_phone, packet_get_id( packet )); |
432 | } |
444 | } |
433 | } |
445 | } |
434 | return EOK; |
446 | return EOK; |
435 | } |
447 | } |
436 | 448 | ||
437 | int arp_clear_device_message( device_id_t device_id ){ |
449 | int arp_clear_device_message( device_id_t device_id ){ |
438 | arp_device_ref device; |
450 | arp_device_ref device; |
439 | 451 | ||
440 | rwlock_write_lock( & arp_globals.lock ); |
452 | rwlock_write_lock( & arp_globals.lock ); |
441 | device = arp_cache_find( & arp_globals.cache, device_id ); |
453 | device = arp_cache_find( & arp_globals.cache, device_id ); |
442 | if( ! device ){ |
454 | if( ! device ){ |
443 | rwlock_write_unlock( & arp_globals.lock ); |
455 | rwlock_write_unlock( & arp_globals.lock ); |
444 | return ENOENT; |
456 | return ENOENT; |
445 | } |
457 | } |
446 | clear_device( device ); |
458 | clear_device( device ); |
447 | printf( "\nDevice %d cleared", device_id ); |
459 | printf( "\nDevice %d cleared", device_id ); |
448 | rwlock_write_unlock( & arp_globals.lock ); |
460 | rwlock_write_unlock( & arp_globals.lock ); |
449 | return EOK; |
461 | return EOK; |
450 | } |
462 | } |
451 | 463 | ||
452 | void clear_device( arp_device_ref device ){ |
464 | void clear_device( arp_device_ref device ){ |
453 | int count; |
465 | int count; |
454 | arp_proto_ref proto; |
466 | arp_proto_ref proto; |
455 | 467 | ||
456 | count = arp_protos_count( & device->protos ); |
468 | for( count = arp_protos_count( & device->protos ) - 1; count >= 0; -- count ){ |
457 | while( count > 0 ){ |
- | |
458 | proto = arp_protos_get_index( & device->protos, count ); |
469 | proto = arp_protos_get_index( & device->protos, count ); |
- | 470 | if( proto ){ |
|
459 | if( proto->addr ) free( proto->addr ); |
471 | if( proto->addr ) free( proto->addr ); |
460 | if( proto->addr_data ) free( proto->addr_data ); |
472 | if( proto->addr_data ) free( proto->addr_data ); |
461 | arp_addr_destroy( & proto->addresses ); |
473 | arp_addr_destroy( & proto->addresses ); |
462 | -- count; |
474 | } |
463 | } |
475 | } |
464 | arp_protos_clear( & device->protos ); |
476 | arp_protos_clear( & device->protos ); |
465 | } |
477 | } |
466 | 478 | ||
467 | int arp_clean_cache_message( void ){ |
479 | int arp_clean_cache_message( void ){ |
468 | int count; |
480 | int count; |
469 | arp_device_ref device; |
481 | arp_device_ref device; |
470 | 482 | ||
471 | rwlock_write_lock( & arp_globals.lock ); |
483 | rwlock_write_lock( & arp_globals.lock ); |
472 | count = arp_cache_count( & arp_globals.cache ); |
484 | for( count = arp_cache_count( & arp_globals.cache ) - 1; count >= 0; -- count ){ |
473 | while( count > 0 ){ |
- | |
474 | device = arp_cache_get_index( & arp_globals.cache, count ); |
485 | device = arp_cache_get_index( & arp_globals.cache, count ); |
475 | if( device ){ |
486 | if( device ){ |
476 | clear_device( device ); |
487 | clear_device( device ); |
477 | if( device->addr_data ) free( device->addr_data ); |
488 | if( device->addr_data ) free( device->addr_data ); |
478 | if( device->broadcast_data ) free( device->broadcast_data ); |
489 | if( device->broadcast_data ) free( device->broadcast_data ); |
479 | } |
490 | } |
480 | } |
491 | } |
481 | arp_cache_clear( & arp_globals.cache ); |
492 | arp_cache_clear( & arp_globals.cache ); |
482 | rwlock_write_unlock( & arp_globals.lock ); |
493 | rwlock_write_unlock( & arp_globals.lock ); |
483 | printf( "\nCache cleaned" ); |
494 | printf( "\nCache cleaned" ); |
484 | return EOK; |
495 | return EOK; |
485 | } |
496 | } |
486 | 497 | ||
487 | int arp_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){ |
498 | int arp_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){ |
488 | ERROR_DECLARE; |
499 | ERROR_DECLARE; |
489 | 500 | ||
490 | measured_string_ref address; |
501 | measured_string_ref address; |
491 | measured_string_ref translation; |
502 | measured_string_ref translation; |
492 | char * data; |
503 | char * data; |
493 | 504 | ||
494 | * answer_count = 0; |
505 | * answer_count = 0; |
495 | switch( IPC_GET_METHOD( * call )){ |
506 | switch( IPC_GET_METHOD( * call )){ |
496 | case IPC_M_PHONE_HUNGUP: |
507 | case IPC_M_PHONE_HUNGUP: |
497 | return EOK; |
508 | return EOK; |
498 | case NET_ARP_DEVICE: |
509 | case NET_ARP_DEVICE: |
499 | ERROR_PROPAGATE( measured_strings_receive( & address, & data, 1 )); |
510 | ERROR_PROPAGATE( measured_strings_receive( & address, & data, 1 )); |
500 | if( ERROR_OCCURRED( arp_device_message( IPC_GET_DEVICE( call ), IPC_GET_SERVICE( call ), IPC_GET_PROTO( call ), address ))){ |
511 | if( ERROR_OCCURRED( arp_device_message( IPC_GET_DEVICE( call ), IPC_GET_SERVICE( call ), IPC_GET_PROTO( call ), address ))){ |
501 | free( address ); |
512 | free( address ); |
502 | free( data ); |
513 | free( data ); |
503 | } |
514 | } |
504 | return ERROR_CODE; |
515 | return ERROR_CODE; |
505 | case NET_ARP_TRANSLATE: |
516 | case NET_ARP_TRANSLATE: |
506 | ERROR_PROPAGATE( measured_strings_receive( & address, & data, 1 )); |
517 | ERROR_PROPAGATE( measured_strings_receive( & address, & data, 1 )); |
507 | translation = arp_translate_message( IPC_GET_DEVICE( call ), IPC_GET_PROTO( call ), address ); |
518 | translation = arp_translate_message( IPC_GET_DEVICE( call ), IPC_GET_PROTO( call ), address ); |
508 | free( address ); |
519 | free( address ); |
509 | free( data ); |
520 | free( data ); |
510 | if( ! translation ) return ENOENT; |
521 | if( ! translation ) return ENOENT; |
511 | return measured_strings_reply( translation, 1 ); |
522 | return measured_strings_reply( translation, 1 ); |
512 | case NET_ARP_CLEAR_DEVICE: |
523 | case NET_ARP_CLEAR_DEVICE: |
513 | return arp_clear_device_message( IPC_GET_DEVICE( call )); |
524 | return arp_clear_device_message( IPC_GET_DEVICE( call )); |
514 | case NET_ARP_CLEAN_CACHE: |
525 | case NET_ARP_CLEAN_CACHE: |
515 | return arp_clean_cache_message(); |
526 | return arp_clean_cache_message(); |
516 | } |
527 | } |
517 | return ENOTSUP; |
528 | return ENOTSUP; |
518 | } |
529 | } |
519 | 530 | ||
520 | void arp_receiver( ipc_callid_t iid, ipc_call_t * icall ){ |
531 | void arp_receiver( ipc_callid_t iid, ipc_call_t * icall ){ |
521 | ERROR_DECLARE; |
532 | ERROR_DECLARE; |
522 | 533 | ||
523 | packet_t packet; |
534 | packet_t packet; |
524 | 535 | ||
525 | while( true ){ |
536 | while( true ){ |
526 | switch( IPC_GET_METHOD( * icall )){ |
537 | switch( IPC_GET_METHOD( * icall )){ |
527 | case NET_IL_DEVICE_STATE: |
538 | case NET_IL_DEVICE_STATE: |
528 | // do nothing - keep the cache |
539 | // do nothing - keep the cache |
529 | ipc_answer_0( iid, EOK ); |
540 | ipc_answer_0( iid, EOK ); |
530 | break; |
541 | break; |
531 | case NET_IL_RECEIVED: |
542 | case NET_IL_RECEIVED: |
532 | if( ! ERROR_OCCURRED( packet_translate( arp_globals.networking_phone, & packet, IPC_GET_PACKET( icall )))){ |
543 | if( ! ERROR_OCCURRED( packet_translate( arp_globals.networking_phone, & packet, IPC_GET_PACKET( icall )))){ |
533 | ERROR_CODE = arp_receive_message( IPC_GET_DEVICE( icall ), packet ); |
544 | ERROR_CODE = arp_receive_message( IPC_GET_DEVICE( icall ), packet ); |
534 | } |
545 | } |
535 | ipc_answer_0( iid, ERROR_CODE ); |
546 | ipc_answer_0( iid, ERROR_CODE ); |
536 | break; |
547 | break; |
537 | default: |
548 | default: |
538 | ipc_answer_0( iid, ENOTSUP ); |
549 | ipc_answer_0( iid, ENOTSUP ); |
539 | } |
550 | } |
540 | iid = async_get_call( icall ); |
551 | iid = async_get_call( icall ); |
541 | } |
552 | } |
542 | } |
553 | } |
543 | 554 | ||
544 | /** @} |
555 | /** @} |
545 | */ |
556 | */ |
546 | 557 |