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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 | #include <string.h> |
43 | #include <string.h> |
44 | #include <task.h> |
44 | #include <task.h> |
45 | 45 | ||
46 | #include <ipc/ipc.h> |
46 | #include <ipc/ipc.h> |
47 | #include <ipc/services.h> |
47 | #include <ipc/services.h> |
48 | 48 | ||
49 | #include "../../err.h" |
49 | #include "../../err.h" |
50 | #include "../../messages.h" |
50 | #include "../../messages.h" |
51 | #include "../../modules.h" |
51 | #include "../../modules.h" |
52 | 52 | ||
53 | #include "../../include/byteorder.h" |
53 | #include "../../include/byteorder.h" |
54 | #include "../../include/device.h" |
54 | #include "../../include/device.h" |
55 | #include "../../include/arp_interface.h" |
55 | #include "../../include/arp_interface.h" |
56 | #include "../../include/nil_interface.h" |
56 | #include "../../include/nil_interface.h" |
57 | #include "../../include/protocol_map.h" |
57 | #include "../../include/protocol_map.h" |
58 | 58 | ||
59 | #include "../../structures/measured_strings.h" |
59 | #include "../../structures/measured_strings.h" |
60 | #include "../../structures/packet/packet.h" |
60 | #include "../../structures/packet/packet.h" |
61 | #include "../../structures/packet/packet_client.h" |
61 | #include "../../structures/packet/packet_client.h" |
62 | 62 | ||
63 | #include "../il_messages.h" |
63 | #include "../il_messages.h" |
64 | 64 | ||
65 | #include "arp.h" |
65 | #include "arp.h" |
66 | #include "arp_header.h" |
66 | #include "arp_header.h" |
67 | #include "arp_oc.h" |
67 | #include "arp_oc.h" |
68 | #include "arp_module.h" |
68 | #include "arp_module.h" |
69 | #include "arp_messages.h" |
69 | #include "arp_messages.h" |
70 | 70 | ||
71 | /** ARP global data. |
71 | /** ARP global data. |
72 | */ |
72 | */ |
73 | arp_globals_t arp_globals; |
73 | arp_globals_t arp_globals; |
74 | 74 | ||
75 | int arp_device_req( int arp_phone, device_id_t device_id, services_t protocol, services_t netif, measured_string_ref address ); |
- | |
76 | int arp_translate_req( int arp_phone, device_id_t device_id, services_t protocol, measured_string_ref address, measured_string_ref * translation, char ** data ); |
- | |
77 | - | ||
78 | /** Clears the whole cache. |
75 | /** Clears the whole cache. |
79 | * @returns EOK on success. |
76 | * @returns EOK on success. |
80 | */ |
77 | */ |
81 | int arp_clean_cache_req( int arp_phone ); |
78 | int arp_clean_cache_req( int arp_phone ); |
82 | 79 | ||
83 | /** Clears the device specific data from the cache. |
80 | /** Clears the device specific data from the cache. |
- | 81 | * @param arp_phone The ARP module phone used for (semi)remote calls. Input parameter. |
|
84 | * @param device_id The device identifier. Input parameter. |
82 | * @param device_id The device identifier. Input parameter. |
85 | * @returns EOK on success. |
83 | * @returns EOK on success. |
86 | * @returns ENOENT if the device is not found in the cache. |
84 | * @returns ENOENT if the device is not found in the cache. |
87 | */ |
85 | */ |
88 | int arp_clear_device_req( int arp_phone, device_id_t device_id ); |
86 | int arp_clear_device_req( int arp_phone, device_id_t device_id ); |
89 | 87 | ||
90 | /** Creates new protocol specific data. |
88 | /** Creates new protocol specific data. |
91 | * @param proto Protocol specific data. Output parameter. |
89 | * @param proto Protocol specific data. Output parameter. |
92 | * @param service Protocol module service. Input parameter. |
90 | * @param service Protocol module service. Input parameter. |
93 | * @param address Actual protocol device address. Input parameter. |
91 | * @param address Actual protocol device address. Input parameter. |
94 | * @returns EOK on success. |
92 | * @returns EOK on success. |
95 | * @returns ENOMEM if there is not enough memory left. |
93 | * @returns ENOMEM if there is not enough memory left. |
96 | */ |
94 | */ |
97 | int arp_proto_create( arp_proto_ref * proto, services_t service, measured_string_ref address ); |
95 | int arp_proto_create( arp_proto_ref * proto, services_t service, measured_string_ref address ); |
98 | 96 | ||
99 | /** Registers the device. |
97 | /** Registers the device. |
100 | * Creates new device entry in the cache or updates the protocol address if the device with the device identifier and the driver service exists. |
98 | * Creates new device entry in the cache or updates the protocol address if the device with the device identifier and the driver service exists. |
101 | * @param device_id The device identifier. Input parameter. |
99 | * @param device_id The device identifier. Input parameter. |
102 | * @param service The device driver service. Input parameter. |
100 | * @param service The device driver service. Input parameter. |
103 | * @param protocol The protocol service. Input parameter. |
101 | * @param protocol The protocol service. Input parameter. |
104 | * @param address The actual device protocol address. |
102 | * @param address The actual device protocol address. |
105 | * @returns EOK on success. |
103 | * @returns EOK on success. |
106 | * @returns EEXIST if another device with the same device identifier and different driver service exists. |
104 | * @returns EEXIST if another device with the same device identifier and different driver service exists. |
107 | * @returns ENOMEM if there is not enough memory left. |
105 | * @returns ENOMEM if there is not enough memory left. |
108 | * @returns Other error codes as defined for the measured_strings_return() function. |
106 | * @returns Other error codes as defined for the measured_strings_return() function. |
109 | */ |
107 | */ |
110 | int arp_device_message( device_id_t device_id, services_t service, services_t protocol, measured_string_ref address ); |
108 | int arp_device_message( device_id_t device_id, services_t service, services_t protocol, measured_string_ref address ); |
111 | 109 | ||
112 | /** Returns the hardware address for the given protocol address. |
110 | /** Returns the hardware address for the given protocol address. |
113 | * Sends the ARP request packet if the hardware address is not found in the cache. |
111 | * Sends the ARP request packet if the hardware address is not found in the cache. |
114 | * @param device_id The device identifier. Input parameter. |
112 | * @param device_id The device identifier. Input parameter. |
115 | * @param protocol The protocol service. Input parameter. |
113 | * @param protocol The protocol service. Input parameter. |
116 | * @param target The target protocol address. Input parameter. |
114 | * @param target The target protocol address. Input parameter. |
117 | * @returns The hardware address of the target. |
115 | * @returns The hardware address of the target. |
118 | * @returns NULL if the target parameter is NULL. |
116 | * @returns NULL if the target parameter is NULL. |
119 | * @returns NULL if the device is not found. |
117 | * @returns NULL if the device is not found. |
120 | * @returns NULL if the device packet is too small to send a request. |
118 | * @returns NULL if the device packet is too small to send a request. |
121 | * @returns NULL if the hardware address is not found in the cache. |
119 | * @returns NULL if the hardware address is not found in the cache. |
122 | */ |
120 | */ |
123 | measured_string_ref arp_translate_message( device_id_t device_id, services_t protocol, measured_string_ref target ); |
121 | measured_string_ref arp_translate_message( device_id_t device_id, services_t protocol, measured_string_ref target ); |
124 | 122 | ||
125 | /** Processes the received ARP packet. |
123 | /** Processes the received ARP packet. |
126 | * Updates the source hardware address if the source entry exists or the packet is targeted to my protocol address. |
124 | * Updates the source hardware address if the source entry exists or the packet is targeted to my protocol address. |
127 | * Responses to the ARP request if the packet is the ARP request and is targeted to my address. |
125 | * Responses to the ARP request if the packet is the ARP request and is targeted to my address. |
128 | * @param device_id The source device identifier. Input parameter. |
126 | * @param device_id The source device identifier. Input parameter. |
129 | * @param packet The received packet. Input/output parameter. |
127 | * @param packet The received packet. Input/output parameter. |
130 | * @returns EOK on success. |
128 | * @returns EOK on success. |
131 | * @returns EINVAL if the packet is too small to carry the ARP packet. |
129 | * @returns EINVAL if the packet is too small to carry the ARP packet. |
132 | * @returns EINVAL if the received address lengths differs from the registered values. |
130 | * @returns EINVAL if the received address lengths differs from the registered values. |
133 | * @returns ENOENT if the device is not found in the cache. |
131 | * @returns ENOENT if the device is not found in the cache. |
134 | * @returns ENOENT if the protocol for the device is not found in the cache. |
132 | * @returns ENOENT if the protocol for the device is not found in the cache. |
135 | * @returns ENOMEM if there is not enough memory left. |
133 | * @returns ENOMEM if there is not enough memory left. |
136 | */ |
134 | */ |
137 | int arp_receive_message( device_id_t device_id, packet_t packet ); |
135 | int arp_receive_message( device_id_t device_id, packet_t packet ); |
138 | 136 | ||
139 | /** Clears the device specific data. |
137 | /** Clears the device specific data. |
140 | * @param device The device specific data. |
138 | * @param device The device specific data. |
141 | */ |
139 | */ |
142 | void clear_device( arp_device_ref device ); |
140 | void clear_device( arp_device_ref device ); |
143 | 141 | ||
144 | /** Processes IPC messages from the registered device driver modules in an infinite loop. |
142 | /** Processes IPC messages from the registered device driver modules in an infinite loop. |
145 | * @param iid The message identifier. Input parameter. |
143 | * @param iid The message identifier. Input parameter. |
146 | * @param icall The message parameters. Input/output parameter. |
144 | * @param icall The message parameters. Input/output parameter. |
147 | */ |
145 | */ |
148 | void arp_receiver( ipc_callid_t iid, ipc_call_t * icall ); |
146 | void arp_receiver( ipc_callid_t iid, ipc_call_t * icall ); |
149 | 147 | ||
150 | DEVICE_MAP_IMPLEMENT( arp_cache, arp_device_t ) |
148 | DEVICE_MAP_IMPLEMENT( arp_cache, arp_device_t ) |
151 | 149 | ||
152 | INT_MAP_IMPLEMENT( arp_protos, arp_proto_t ) |
150 | INT_MAP_IMPLEMENT( arp_protos, arp_proto_t ) |
153 | 151 | ||
154 | GENERIC_CHAR_MAP_IMPLEMENT( arp_addr, measured_string_t ) |
152 | GENERIC_CHAR_MAP_IMPLEMENT( arp_addr, measured_string_t ) |
155 | 153 | ||
156 | int arp_task_get_id( void ){ |
154 | int arp_task_get_id( void ){ |
157 | return task_get_id(); |
155 | return task_get_id(); |
158 | } |
156 | } |
159 | 157 | ||
160 | int arp_clear_device_req( int arp_phone, device_id_t device_id ){ |
158 | int arp_clear_device_req( int arp_phone, device_id_t device_id ){ |
161 | arp_device_ref device; |
159 | arp_device_ref device; |
162 | 160 | ||
163 | rwlock_write_lock( & arp_globals.lock ); |
161 | rwlock_write_lock( & arp_globals.lock ); |
164 | device = arp_cache_find( & arp_globals.cache, device_id ); |
162 | device = arp_cache_find( & arp_globals.cache, device_id ); |
165 | if( ! device ){ |
163 | if( ! device ){ |
166 | rwlock_write_unlock( & arp_globals.lock ); |
164 | rwlock_write_unlock( & arp_globals.lock ); |
167 | return ENOENT; |
165 | return ENOENT; |
168 | } |
166 | } |
169 | clear_device( device ); |
167 | clear_device( device ); |
170 | printf( "Device %d cleared\n", device_id ); |
168 | printf( "Device %d cleared\n", device_id ); |
171 | rwlock_write_unlock( & arp_globals.lock ); |
169 | rwlock_write_unlock( & arp_globals.lock ); |
172 | return EOK; |
170 | return EOK; |
173 | } |
171 | } |
174 | 172 | ||
175 | int arp_clean_cache_req( int arp_phone ){ |
173 | int arp_clean_cache_req( int arp_phone ){ |
176 | int count; |
174 | int count; |
177 | arp_device_ref device; |
175 | arp_device_ref device; |
178 | 176 | ||
179 | rwlock_write_lock( & arp_globals.lock ); |
177 | rwlock_write_lock( & arp_globals.lock ); |
180 | for( count = arp_cache_count( & arp_globals.cache ) - 1; count >= 0; -- count ){ |
178 | for( count = arp_cache_count( & arp_globals.cache ) - 1; count >= 0; -- count ){ |
181 | device = arp_cache_get_index( & arp_globals.cache, count ); |
179 | device = arp_cache_get_index( & arp_globals.cache, count ); |
182 | if( device ){ |
180 | if( device ){ |
183 | clear_device( device ); |
181 | clear_device( device ); |
184 | if( device->addr_data ) free( device->addr_data ); |
182 | if( device->addr_data ) free( device->addr_data ); |
185 | if( device->broadcast_data ) free( device->broadcast_data ); |
183 | if( device->broadcast_data ) free( device->broadcast_data ); |
186 | } |
184 | } |
187 | } |
185 | } |
188 | arp_cache_clear( & arp_globals.cache ); |
186 | arp_cache_clear( & arp_globals.cache ); |
189 | rwlock_write_unlock( & arp_globals.lock ); |
187 | rwlock_write_unlock( & arp_globals.lock ); |
190 | printf( "Cache cleaned\n" ); |
188 | printf( "Cache cleaned\n" ); |
191 | return EOK; |
189 | return EOK; |
192 | } |
190 | } |
193 | 191 | ||
194 | int arp_device_req( int arp_phone, device_id_t device_id, services_t protocol, services_t netif, measured_string_ref address ){ |
192 | int arp_device_req( int arp_phone, device_id_t device_id, services_t protocol, services_t netif, measured_string_ref address ){ |
195 | ERROR_DECLARE; |
193 | ERROR_DECLARE; |
196 | 194 | ||
197 | measured_string_ref tmp; |
195 | measured_string_ref tmp; |
198 | 196 | ||
199 | tmp = measured_string_copy( address ); |
197 | tmp = measured_string_copy( address ); |
200 | if( ERROR_OCCURRED( arp_device_message( device_id, netif, protocol, tmp ))){ |
198 | if( ERROR_OCCURRED( arp_device_message( device_id, netif, protocol, tmp ))){ |
201 | free( tmp->value ); |
199 | free( tmp->value ); |
202 | free( tmp ); |
200 | free( tmp ); |
203 | } |
201 | } |
204 | return ERROR_CODE; |
202 | return ERROR_CODE; |
205 | } |
203 | } |
206 | 204 | ||
207 | int arp_translate_req( int arp_phone, device_id_t device_id, services_t protocol, measured_string_ref address, measured_string_ref * translation, char ** data ){ |
205 | int arp_translate_req( int arp_phone, device_id_t device_id, services_t protocol, measured_string_ref address, measured_string_ref * translation, char ** data ){ |
208 | measured_string_ref tmp; |
206 | measured_string_ref tmp; |
209 | 207 | ||
210 | rwlock_read_lock( & arp_globals.lock ); |
208 | rwlock_read_lock( & arp_globals.lock ); |
211 | tmp = arp_translate_message( device_id, protocol, address ); |
209 | tmp = arp_translate_message( device_id, protocol, address ); |
212 | if( tmp ){ |
210 | if( tmp ){ |
213 | * translation = measured_string_copy( tmp ); |
211 | * translation = measured_string_copy( tmp ); |
214 | rwlock_read_unlock( & arp_globals.lock ); |
212 | rwlock_read_unlock( & arp_globals.lock ); |
215 | if( * translation ){ |
213 | if( * translation ){ |
216 | * data = ( ** translation ).value; |
214 | * data = ( ** translation ).value; |
217 | return EOK; |
215 | return EOK; |
218 | }else{ |
216 | }else{ |
219 | return ENOMEM; |
217 | return ENOMEM; |
220 | } |
218 | } |
221 | }else{ |
219 | }else{ |
222 | rwlock_read_unlock( & arp_globals.lock ); |
220 | rwlock_read_unlock( & arp_globals.lock ); |
223 | return ENOENT; |
221 | return ENOENT; |
224 | } |
222 | } |
225 | } |
223 | } |
226 | 224 | ||
227 | int arp_initialize( void ){ |
225 | int arp_initialize( void ){ |
228 | ERROR_DECLARE; |
226 | ERROR_DECLARE; |
229 | 227 | ||
230 | rwlock_initialize( & arp_globals.lock ); |
228 | rwlock_initialize( & arp_globals.lock ); |
231 | rwlock_write_lock( & arp_globals.lock ); |
229 | rwlock_write_lock( & arp_globals.lock ); |
232 | ERROR_PROPAGATE( arp_cache_initialize( & arp_globals.cache )); |
230 | ERROR_PROPAGATE( arp_cache_initialize( & arp_globals.cache )); |
233 | rwlock_write_unlock( & arp_globals.lock ); |
231 | rwlock_write_unlock( & arp_globals.lock ); |
234 | return EOK; |
232 | return EOK; |
235 | } |
233 | } |
236 | 234 | ||
237 | int arp_proto_create( arp_proto_ref * proto, services_t service, measured_string_ref address ){ |
235 | int arp_proto_create( arp_proto_ref * proto, services_t service, measured_string_ref address ){ |
238 | ERROR_DECLARE; |
236 | ERROR_DECLARE; |
239 | 237 | ||
240 | * proto = ( arp_proto_ref ) malloc( sizeof( arp_proto_t )); |
238 | * proto = ( arp_proto_ref ) malloc( sizeof( arp_proto_t )); |
241 | if( !( * proto )) return ENOMEM; |
239 | if( !( * proto )) return ENOMEM; |
242 | ( ** proto ).service = service; |
240 | ( ** proto ).service = service; |
243 | ( ** proto ).addr = address; |
241 | ( ** proto ).addr = address; |
244 | ( ** proto ).addr_data = address->value; |
242 | ( ** proto ).addr_data = address->value; |
245 | if( ERROR_OCCURRED( arp_addr_initialize( &( ** proto).addresses ))){ |
243 | if( ERROR_OCCURRED( arp_addr_initialize( &( ** proto).addresses ))){ |
246 | free( * proto ); |
244 | free( * proto ); |
247 | return ERROR_CODE; |
245 | return ERROR_CODE; |
248 | } |
246 | } |
249 | return EOK; |
247 | return EOK; |
250 | } |
248 | } |
251 | 249 | ||
252 | int arp_device_message( device_id_t device_id, services_t service, services_t protocol, measured_string_ref address ){ |
250 | int arp_device_message( device_id_t device_id, services_t service, services_t protocol, measured_string_ref address ){ |
253 | ERROR_DECLARE; |
251 | ERROR_DECLARE; |
254 | 252 | ||
255 | arp_device_ref device; |
253 | arp_device_ref device; |
256 | arp_proto_ref proto; |
254 | arp_proto_ref proto; |
257 | int index; |
255 | int index; |
258 | 256 | ||
259 | rwlock_write_lock( & arp_globals.lock ); |
257 | rwlock_write_lock( & arp_globals.lock ); |
260 | // an existing device? |
258 | // an existing device? |
261 | device = arp_cache_find( & arp_globals.cache, device_id ); |
259 | device = arp_cache_find( & arp_globals.cache, device_id ); |
262 | if( device ){ |
260 | if( device ){ |
263 | if( device->service != service ){ |
261 | if( device->service != service ){ |
264 | printf( "Device %d already exists\n", device->device_id ); |
262 | printf( "Device %d already exists\n", device->device_id ); |
265 | rwlock_write_unlock( & arp_globals.lock ); |
263 | rwlock_write_unlock( & arp_globals.lock ); |
266 | return EEXIST; |
264 | return EEXIST; |
267 | } |
265 | } |
268 | proto = arp_protos_find( & device->protos, protocol ); |
266 | proto = arp_protos_find( & device->protos, protocol ); |
269 | if( proto ){ |
267 | if( proto ){ |
270 | free( proto->addr ); |
268 | free( proto->addr ); |
271 | free( proto->addr_data ); |
269 | free( proto->addr_data ); |
272 | proto->addr = address; |
270 | proto->addr = address; |
273 | proto->addr_data = address->value; |
271 | proto->addr_data = address->value; |
274 | }else{ |
272 | }else{ |
275 | if( ERROR_OCCURRED( arp_proto_create( & proto, protocol, address ))){ |
273 | if( ERROR_OCCURRED( arp_proto_create( & proto, protocol, address ))){ |
276 | rwlock_write_unlock( & arp_globals.lock ); |
274 | rwlock_write_unlock( & arp_globals.lock ); |
277 | return ERROR_CODE; |
275 | return ERROR_CODE; |
278 | } |
276 | } |
279 | index = arp_protos_add( & device->protos, proto->service, proto ); |
277 | index = arp_protos_add( & device->protos, proto->service, proto ); |
280 | if( index < 0 ){ |
278 | if( index < 0 ){ |
281 | rwlock_write_unlock( & arp_globals.lock ); |
279 | rwlock_write_unlock( & arp_globals.lock ); |
282 | free( proto ); |
280 | free( proto ); |
283 | return index; |
281 | return index; |
284 | } |
282 | } |
285 | printf( "New protocol added:\n\tdevice id\t= %d\n\tproto\t= %d", device_id, protocol ); |
283 | printf( "New protocol added:\n\tdevice id\t= %d\n\tproto\t= %d", device_id, protocol ); |
286 | } |
284 | } |
287 | }else{ |
285 | }else{ |
288 | index = hardware_map( service ); |
286 | index = hardware_map( service ); |
289 | if( ! index ) return ENOENT; |
287 | if( ! index ) return ENOENT; |
290 | // create a new device |
288 | // create a new device |
291 | device = ( arp_device_ref ) malloc( sizeof( arp_device_t )); |
289 | device = ( arp_device_ref ) malloc( sizeof( arp_device_t )); |
292 | if( ! device ){ |
290 | if( ! device ){ |
293 | rwlock_write_unlock( & arp_globals.lock ); |
291 | rwlock_write_unlock( & arp_globals.lock ); |
294 | return ENOMEM; |
292 | return ENOMEM; |
295 | } |
293 | } |
296 | device->hardware = index; |
294 | device->hardware = index; |
297 | device->device_id = device_id; |
295 | device->device_id = device_id; |
298 | if( ERROR_OCCURRED( arp_protos_initialize( & device->protos )) |
296 | if( ERROR_OCCURRED( arp_protos_initialize( & device->protos )) |
299 | || ERROR_OCCURRED( arp_proto_create( & proto, protocol, address ))){ |
297 | || ERROR_OCCURRED( arp_proto_create( & proto, protocol, address ))){ |
300 | rwlock_write_unlock( & arp_globals.lock ); |
298 | rwlock_write_unlock( & arp_globals.lock ); |
301 | free( device ); |
299 | free( device ); |
302 | return ERROR_CODE; |
300 | return ERROR_CODE; |
303 | } |
301 | } |
304 | index = arp_protos_add( & device->protos, proto->service, proto ); |
302 | index = arp_protos_add( & device->protos, proto->service, proto ); |
305 | if( index < 0 ){ |
303 | if( index < 0 ){ |
306 | rwlock_write_unlock( & arp_globals.lock ); |
304 | rwlock_write_unlock( & arp_globals.lock ); |
307 | arp_protos_destroy( & device->protos ); |
305 | arp_protos_destroy( & device->protos ); |
308 | free( device ); |
306 | free( device ); |
309 | return index; |
307 | return index; |
310 | } |
308 | } |
311 | device->service = service; |
309 | device->service = service; |
312 | // bind the new one |
310 | // bind the new one |
313 | device->phone = bind_service( device->service, device->device_id, SERVICE_ARP, 0, arp_receiver ); |
311 | device->phone = bind_service( device->service, device->device_id, SERVICE_ARP, 0, arp_receiver ); |
314 | if( device->phone < 0 ){ |
312 | if( device->phone < 0 ){ |
315 | rwlock_write_unlock( & arp_globals.lock ); |
313 | rwlock_write_unlock( & arp_globals.lock ); |
316 | arp_protos_destroy( & device->protos ); |
314 | arp_protos_destroy( & device->protos ); |
317 | free( device ); |
315 | free( device ); |
318 | return EREFUSED; |
316 | return EREFUSED; |
319 | } |
317 | } |
320 | // get packet dimensions |
318 | // get packet dimensions |
321 | if( ERROR_OCCURRED( nil_packet_size_req( device->phone, device_id, & device->addr_len, & device->prefix, & device->content, & device->suffix ))){ |
319 | if( ERROR_OCCURRED( nil_packet_size_req( device->phone, device_id, & device->addr_len, & device->prefix, & device->content, & device->suffix ))){ |
322 | rwlock_write_unlock( & arp_globals.lock ); |
320 | rwlock_write_unlock( & arp_globals.lock ); |
323 | arp_protos_destroy( & device->protos ); |
321 | arp_protos_destroy( & device->protos ); |
324 | free( device ); |
322 | free( device ); |
325 | return ERROR_CODE; |
323 | return ERROR_CODE; |
326 | } |
324 | } |
327 | // get hardware address |
325 | // get hardware address |
328 | if( ERROR_OCCURRED( nil_get_addr( device->phone, device_id, & device->addr, & device->addr_data ))){ |
326 | if( ERROR_OCCURRED( nil_get_addr( device->phone, device_id, & device->addr, & device->addr_data ))){ |
329 | rwlock_write_unlock( & arp_globals.lock ); |
327 | rwlock_write_unlock( & arp_globals.lock ); |
330 | arp_protos_destroy( & device->protos ); |
328 | arp_protos_destroy( & device->protos ); |
331 | free( device ); |
329 | free( device ); |
332 | return ERROR_CODE; |
330 | return ERROR_CODE; |
333 | } |
331 | } |
334 | // get broadcast address |
332 | // get broadcast address |
335 | if( ERROR_OCCURRED( nil_get_broadcast_addr( device->phone, device_id, & device->broadcast_addr, & device->broadcast_data ))){ |
333 | if( ERROR_OCCURRED( nil_get_broadcast_addr( device->phone, device_id, & device->broadcast_addr, & device->broadcast_data ))){ |
336 | rwlock_write_unlock( & arp_globals.lock ); |
334 | rwlock_write_unlock( & arp_globals.lock ); |
337 | free( device->addr ); |
335 | free( device->addr ); |
338 | free( device->addr_data ); |
336 | free( device->addr_data ); |
339 | arp_protos_destroy( & device->protos ); |
337 | arp_protos_destroy( & device->protos ); |
340 | free( device ); |
338 | free( device ); |
341 | return ERROR_CODE; |
339 | return ERROR_CODE; |
342 | } |
340 | } |
343 | if( ERROR_OCCURRED( arp_cache_add( & arp_globals.cache, device->device_id, device ))){ |
341 | if( ERROR_OCCURRED( arp_cache_add( & arp_globals.cache, device->device_id, device ))){ |
344 | rwlock_write_unlock( & arp_globals.lock ); |
342 | rwlock_write_unlock( & arp_globals.lock ); |
345 | free( device->addr ); |
343 | free( device->addr ); |
346 | free( device->addr_data ); |
344 | free( device->addr_data ); |
347 | free( device->broadcast_addr ); |
345 | free( device->broadcast_addr ); |
348 | free( device->broadcast_data ); |
346 | free( device->broadcast_data ); |
349 | arp_protos_destroy( & device->protos ); |
347 | arp_protos_destroy( & device->protos ); |
350 | free( device ); |
348 | free( device ); |
351 | return ERROR_CODE; |
349 | return ERROR_CODE; |
352 | } |
350 | } |
353 | printf( "New device registered:\n\tid\t= %d\n\ttype\t= 0x%x\n\tservice\t= %d\n\tproto\t= %d\n", device->device_id, device->hardware, device->service, protocol ); |
351 | printf( "New device registered:\n\tid\t= %d\n\ttype\t= 0x%x\n\tservice\t= %d\n\tproto\t= %d\n", device->device_id, device->hardware, device->service, protocol ); |
354 | } |
352 | } |
355 | rwlock_write_unlock( & arp_globals.lock ); |
353 | rwlock_write_unlock( & arp_globals.lock ); |
356 | return EOK; |
354 | return EOK; |
357 | } |
355 | } |
358 | 356 | ||
359 | measured_string_ref arp_translate_message( device_id_t device_id, services_t protocol, measured_string_ref target ){ |
357 | measured_string_ref arp_translate_message( device_id_t device_id, services_t protocol, measured_string_ref target ){ |
360 | arp_device_ref device; |
358 | arp_device_ref device; |
361 | arp_proto_ref proto; |
359 | arp_proto_ref proto; |
362 | measured_string_ref addr; |
360 | measured_string_ref addr; |
363 | size_t length; |
361 | size_t length; |
364 | packet_t packet; |
362 | packet_t packet; |
365 | arp_header_ref header; |
363 | arp_header_ref header; |
366 | 364 | ||
367 | if( ! target ) return NULL; |
365 | if( ! target ) return NULL; |
368 | device = arp_cache_find( & arp_globals.cache, device_id ); |
366 | device = arp_cache_find( & arp_globals.cache, device_id ); |
369 | if( ! device ) return NULL; |
367 | if( ! device ) return NULL; |
370 | proto = arp_protos_find( & device->protos, protocol ); |
368 | proto = arp_protos_find( & device->protos, protocol ); |
371 | if(( ! proto ) || ( proto->addr->length != target->length )) return NULL; |
369 | if(( ! proto ) || ( proto->addr->length != target->length )) return NULL; |
372 | addr = arp_addr_find( & proto->addresses, target->value, target->length ); |
370 | addr = arp_addr_find( & proto->addresses, target->value, target->length ); |
373 | if( addr ) return addr; |
371 | if( addr ) return addr; |
374 | // ARP packet content size = header + ( address + translation ) * 2 |
372 | // ARP packet content size = header + ( address + translation ) * 2 |
375 | length = 8 + ( CONVERT_SIZE( char, uint8_t, proto->addr->length ) + CONVERT_SIZE( char, uint8_t, device->addr->length )) * 2; |
373 | length = 8 + ( CONVERT_SIZE( char, uint8_t, proto->addr->length ) + CONVERT_SIZE( char, uint8_t, device->addr->length )) * 2; |
376 | if( length > device->content ) return NULL; |
374 | if( length > device->content ) return NULL; |
377 | packet = packet_get_4( arp_globals.net_phone, device->addr_len, device->prefix, length, device->suffix ); |
375 | packet = packet_get_4( arp_globals.net_phone, device->addr_len, device->prefix, length, device->suffix ); |
378 | if( ! packet ) return NULL; |
376 | if( ! packet ) return NULL; |
379 | header = ( arp_header_ref ) packet_suffix( packet, length ); |
377 | header = ( arp_header_ref ) packet_suffix( packet, length ); |
380 | header->hardware = htons( device->hardware ); |
378 | header->hardware = htons( device->hardware ); |
381 | header->hardware_length = device->addr->length; |
379 | header->hardware_length = device->addr->length; |
382 | header->protocol = htons( protocol_map( device->service, protocol )); |
380 | header->protocol = htons( protocol_map( device->service, protocol )); |
383 | header->protocol_length = proto->addr->length; |
381 | header->protocol_length = proto->addr->length; |
384 | header->operation = htons( ARPOP_REQUEST ); |
382 | header->operation = htons( ARPOP_REQUEST ); |
385 | length = sizeof( arp_header_t ); |
383 | length = sizeof( arp_header_t ); |
386 | memcpy((( uint8_t * ) header ) + length, device->addr->value, device->addr->length ); |
384 | memcpy((( uint8_t * ) header ) + length, device->addr->value, device->addr->length ); |
387 | length += device->addr->length; |
385 | length += device->addr->length; |
388 | memcpy((( uint8_t * ) header ) + length, proto->addr->value, proto->addr->length ); |
386 | memcpy((( uint8_t * ) header ) + length, proto->addr->value, proto->addr->length ); |
389 | length += proto->addr->length; |
387 | length += proto->addr->length; |
390 | bzero((( uint8_t * ) header ) + length, device->addr->length ); |
388 | bzero((( uint8_t * ) header ) + length, device->addr->length ); |
391 | length += device->addr->length; |
389 | length += device->addr->length; |
392 | memcpy((( uint8_t * ) header ) + length, target->value, target->length ); |
390 | memcpy((( uint8_t * ) header ) + length, target->value, target->length ); |
393 | packet_set_addr( packet, ( uint8_t * ) device->addr->value, ( uint8_t * ) device->broadcast_addr->value, CONVERT_SIZE( char, uint8_t, device->addr->length )); |
391 | packet_set_addr( packet, ( uint8_t * ) device->addr->value, ( uint8_t * ) device->broadcast_addr->value, CONVERT_SIZE( char, uint8_t, device->addr->length )); |
394 | nil_send_msg( device->phone, device_id, packet, SERVICE_ARP ); |
392 | nil_send_msg( device->phone, device_id, packet, SERVICE_ARP ); |
395 | return NULL; |
393 | return NULL; |
396 | } |
394 | } |
397 | 395 | ||
398 | int arp_receive_message( device_id_t device_id, packet_t packet ){ |
396 | int arp_receive_message( device_id_t device_id, packet_t packet ){ |
399 | ERROR_DECLARE; |
397 | ERROR_DECLARE; |
400 | 398 | ||
401 | size_t length; |
399 | size_t length; |
402 | arp_header_ref header; |
400 | arp_header_ref header; |
403 | arp_device_ref device; |
401 | arp_device_ref device; |
404 | arp_proto_ref proto; |
402 | arp_proto_ref proto; |
405 | measured_string_ref hw_source; |
403 | measured_string_ref hw_source; |
406 | uint8_t * src_hw; |
404 | uint8_t * src_hw; |
407 | uint8_t * src_proto; |
405 | uint8_t * src_proto; |
408 | uint8_t * des_hw; |
406 | uint8_t * des_hw; |
409 | uint8_t * des_proto; |
407 | uint8_t * des_proto; |
410 | 408 | ||
411 | length = packet_get_data_length( packet ); |
409 | length = packet_get_data_length( packet ); |
412 | if( length <= sizeof( arp_header_t )) return EINVAL; |
410 | if( length <= sizeof( arp_header_t )) return EINVAL; |
413 | device = arp_cache_find( & arp_globals.cache, device_id ); |
411 | device = arp_cache_find( & arp_globals.cache, device_id ); |
414 | if( ! device ) return ENOENT; |
412 | if( ! device ) return ENOENT; |
415 | header = ( arp_header_ref ) packet_get_data( packet ); |
413 | header = ( arp_header_ref ) packet_get_data( packet ); |
416 | if(( ntohs( header->hardware ) != device->hardware ) |
414 | if(( ntohs( header->hardware ) != device->hardware ) |
417 | || ( length < sizeof( arp_header_t ) + ( header->hardware_length + header->protocol_length ) * 2 )){ |
415 | || ( length < sizeof( arp_header_t ) + ( header->hardware_length + header->protocol_length ) * 2 )){ |
418 | return EINVAL; |
416 | return EINVAL; |
419 | } |
417 | } |
420 | proto = arp_protos_find( & device->protos, protocol_unmap( device->service, ntohs( header->protocol ))); |
418 | proto = arp_protos_find( & device->protos, protocol_unmap( device->service, ntohs( header->protocol ))); |
421 | if( ! proto ) return ENOENT; |
419 | if( ! proto ) return ENOENT; |
422 | src_hw = (( uint8_t * ) header ) + sizeof( arp_header_t ); |
420 | src_hw = (( uint8_t * ) header ) + sizeof( arp_header_t ); |
423 | src_proto = src_hw + header->hardware_length; |
421 | src_proto = src_hw + header->hardware_length; |
424 | des_hw = src_proto + header->protocol_length; |
422 | des_hw = src_proto + header->protocol_length; |
425 | des_proto = des_hw + header->hardware_length; |
423 | des_proto = des_hw + header->hardware_length; |
426 | hw_source = arp_addr_find( & proto->addresses, ( char * ) src_proto, CONVERT_SIZE( uint8_t, char, header->protocol_length )); |
424 | hw_source = arp_addr_find( & proto->addresses, ( char * ) src_proto, CONVERT_SIZE( uint8_t, char, header->protocol_length )); |
427 | // exists? |
425 | // exists? |
428 | if( hw_source ){ |
426 | if( hw_source ){ |
429 | if( hw_source->length != CONVERT_SIZE( uint8_t, char, header->hardware_length )){ |
427 | if( hw_source->length != CONVERT_SIZE( uint8_t, char, header->hardware_length )){ |
430 | return EINVAL; |
428 | return EINVAL; |
431 | } |
429 | } |
432 | memcpy( hw_source->value, src_hw, hw_source->length ); |
430 | memcpy( hw_source->value, src_hw, hw_source->length ); |
433 | } |
431 | } |
434 | // is my protocol address? |
432 | // is my protocol address? |
435 | if( proto->addr->length != CONVERT_SIZE( uint8_t, char, header->protocol_length )){ |
433 | if( proto->addr->length != CONVERT_SIZE( uint8_t, char, header->protocol_length )){ |
436 | return EINVAL; |
434 | return EINVAL; |
437 | } |
435 | } |
438 | if( ! str_lcmp( proto->addr->value, ( char * ) des_proto, proto->addr->length )){ |
436 | if( ! str_lcmp( proto->addr->value, ( char * ) des_proto, proto->addr->length )){ |
439 | // not already upadted? |
437 | // not already upadted? |
440 | if( ! hw_source ){ |
438 | if( ! hw_source ){ |
441 | hw_source = measured_string_create_bulk(( char * ) src_hw, CONVERT_SIZE( uint8_t, char, header->hardware_length )); |
439 | hw_source = measured_string_create_bulk(( char * ) src_hw, CONVERT_SIZE( uint8_t, char, header->hardware_length )); |
442 | if( ! hw_source ) return ENOMEM; |
440 | if( ! hw_source ) return ENOMEM; |
443 | ERROR_PROPAGATE( arp_addr_add( & proto->addresses, ( char * ) src_proto, CONVERT_SIZE( uint8_t, char, header->protocol_length ), hw_source )); |
441 | ERROR_PROPAGATE( arp_addr_add( & proto->addresses, ( char * ) src_proto, CONVERT_SIZE( uint8_t, char, header->protocol_length ), hw_source )); |
444 | } |
442 | } |
445 | if( ntohs( header->operation ) == ARPOP_REQUEST ){ |
443 | if( ntohs( header->operation ) == ARPOP_REQUEST ){ |
446 | header->operation = htons( ARPOP_REPLY ); |
444 | header->operation = htons( ARPOP_REPLY ); |
447 | memcpy( des_proto, src_proto, header->protocol_length ); |
445 | memcpy( des_proto, src_proto, header->protocol_length ); |
448 | memcpy( src_proto, proto->addr->value, header->protocol_length ); |
446 | memcpy( src_proto, proto->addr->value, header->protocol_length ); |
449 | memcpy( src_hw, device->addr->value, device->addr_len ); |
447 | memcpy( src_hw, device->addr->value, device->addr_len ); |
450 | memcpy( des_hw, hw_source->value, header->hardware_length ); |
448 | memcpy( des_hw, hw_source->value, header->hardware_length ); |
451 | packet_set_addr( packet, src_hw, des_hw, header->hardware_length ); |
449 | packet_set_addr( packet, src_hw, des_hw, header->hardware_length ); |
452 | nil_send_msg( device->phone, device_id, packet, SERVICE_ARP ); |
450 | nil_send_msg( device->phone, device_id, packet, SERVICE_ARP ); |
453 | }else{ |
451 | }else{ |
454 | pq_release( arp_globals.net_phone, packet_get_id( packet )); |
452 | pq_release( arp_globals.net_phone, packet_get_id( packet )); |
455 | } |
453 | } |
456 | } |
454 | } |
457 | return EOK; |
455 | return EOK; |
458 | } |
456 | } |
459 | 457 | ||
460 | void clear_device( arp_device_ref device ){ |
458 | void clear_device( arp_device_ref device ){ |
461 | int count; |
459 | int count; |
462 | arp_proto_ref proto; |
460 | arp_proto_ref proto; |
463 | 461 | ||
464 | for( count = arp_protos_count( & device->protos ) - 1; count >= 0; -- count ){ |
462 | for( count = arp_protos_count( & device->protos ) - 1; count >= 0; -- count ){ |
465 | proto = arp_protos_get_index( & device->protos, count ); |
463 | proto = arp_protos_get_index( & device->protos, count ); |
466 | if( proto ){ |
464 | if( proto ){ |
467 | if( proto->addr ) free( proto->addr ); |
465 | if( proto->addr ) free( proto->addr ); |
468 | if( proto->addr_data ) free( proto->addr_data ); |
466 | if( proto->addr_data ) free( proto->addr_data ); |
469 | arp_addr_destroy( & proto->addresses ); |
467 | arp_addr_destroy( & proto->addresses ); |
470 | } |
468 | } |
471 | } |
469 | } |
472 | arp_protos_clear( & device->protos ); |
470 | arp_protos_clear( & device->protos ); |
473 | } |
471 | } |
474 | 472 | ||
475 | int arp_connect_module( services_t service ){ |
473 | int arp_connect_module( services_t service ){ |
476 | return EOK; |
474 | return EOK; |
477 | } |
475 | } |
478 | 476 | ||
479 | int arp_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){ |
477 | int arp_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){ |
480 | ERROR_DECLARE; |
478 | ERROR_DECLARE; |
481 | 479 | ||
482 | measured_string_ref address; |
480 | measured_string_ref address; |
483 | measured_string_ref translation; |
481 | measured_string_ref translation; |
484 | char * data; |
482 | char * data; |
485 | 483 | ||
486 | // printf( "message %d - %d\n", IPC_GET_METHOD( * call ), NET_ARP_FIRST ); |
484 | // printf( "message %d - %d\n", IPC_GET_METHOD( * call ), NET_ARP_FIRST ); |
487 | * answer_count = 0; |
485 | * answer_count = 0; |
488 | switch( IPC_GET_METHOD( * call )){ |
486 | switch( IPC_GET_METHOD( * call )){ |
489 | case IPC_M_PHONE_HUNGUP: |
487 | case IPC_M_PHONE_HUNGUP: |
490 | return EOK; |
488 | return EOK; |
491 | case NET_ARP_DEVICE: |
489 | case NET_ARP_DEVICE: |
492 | ERROR_PROPAGATE( measured_strings_receive( & address, & data, 1 )); |
490 | ERROR_PROPAGATE( measured_strings_receive( & address, & data, 1 )); |
493 | if( ERROR_OCCURRED( arp_device_message( IPC_GET_DEVICE( call ), IPC_GET_SERVICE( call ), ARP_GET_NETIF( call ), address ))){ |
491 | if( ERROR_OCCURRED( arp_device_message( IPC_GET_DEVICE( call ), IPC_GET_SERVICE( call ), ARP_GET_NETIF( call ), address ))){ |
494 | free( address ); |
492 | free( address ); |
495 | free( data ); |
493 | free( data ); |
496 | } |
494 | } |
497 | return ERROR_CODE; |
495 | return ERROR_CODE; |
498 | case NET_ARP_TRANSLATE: |
496 | case NET_ARP_TRANSLATE: |
499 | ERROR_PROPAGATE( measured_strings_receive( & address, & data, 1 )); |
497 | ERROR_PROPAGATE( measured_strings_receive( & address, & data, 1 )); |
500 | rwlock_read_lock( & arp_globals.lock ); |
498 | rwlock_read_lock( & arp_globals.lock ); |
501 | translation = arp_translate_message( IPC_GET_DEVICE( call ), IPC_GET_SERVICE( call ), address ); |
499 | translation = arp_translate_message( IPC_GET_DEVICE( call ), IPC_GET_SERVICE( call ), address ); |
502 | free( address ); |
500 | free( address ); |
503 | free( data ); |
501 | free( data ); |
504 | if( ! translation ){ |
502 | if( ! translation ){ |
505 | rwlock_read_unlock( & arp_globals.lock ); |
503 | rwlock_read_unlock( & arp_globals.lock ); |
506 | return ENOENT; |
504 | return ENOENT; |
507 | } |
505 | } |
508 | ERROR_CODE = measured_strings_reply( translation, 1 ); |
506 | ERROR_CODE = measured_strings_reply( translation, 1 ); |
509 | rwlock_read_unlock( & arp_globals.lock ); |
507 | rwlock_read_unlock( & arp_globals.lock ); |
510 | return ERROR_CODE; |
508 | return ERROR_CODE; |
511 | case NET_ARP_CLEAR_DEVICE: |
509 | case NET_ARP_CLEAR_DEVICE: |
512 | return arp_clear_device_req( 0, IPC_GET_DEVICE( call )); |
510 | return arp_clear_device_req( 0, IPC_GET_DEVICE( call )); |
513 | case NET_ARP_CLEAN_CACHE: |
511 | case NET_ARP_CLEAN_CACHE: |
514 | return arp_clean_cache_req( 0 ); |
512 | return arp_clean_cache_req( 0 ); |
515 | } |
513 | } |
516 | return ENOTSUP; |
514 | return ENOTSUP; |
517 | } |
515 | } |
518 | 516 | ||
519 | void arp_receiver( ipc_callid_t iid, ipc_call_t * icall ){ |
517 | void arp_receiver( ipc_callid_t iid, ipc_call_t * icall ){ |
520 | ERROR_DECLARE; |
518 | ERROR_DECLARE; |
521 | 519 | ||
522 | packet_t packet; |
520 | packet_t packet; |
523 | 521 | ||
524 | while( true ){ |
522 | while( true ){ |
525 | switch( IPC_GET_METHOD( * icall )){ |
523 | switch( IPC_GET_METHOD( * icall )){ |
526 | case NET_IL_DEVICE_STATE: |
524 | case NET_IL_DEVICE_STATE: |
527 | // do nothing - keep the cache |
525 | // do nothing - keep the cache |
528 | ipc_answer_0( iid, EOK ); |
526 | ipc_answer_0( iid, EOK ); |
529 | break; |
527 | break; |
530 | case NET_IL_RECEIVED: |
528 | case NET_IL_RECEIVED: |
531 | if( ! ERROR_OCCURRED( packet_translate( arp_globals.net_phone, & packet, IPC_GET_PACKET( icall )))){ |
529 | if( ! ERROR_OCCURRED( packet_translate( arp_globals.net_phone, & packet, IPC_GET_PACKET( icall )))){ |
532 | rwlock_read_lock( & arp_globals.lock ); |
530 | rwlock_read_lock( & arp_globals.lock ); |
533 | ERROR_CODE = arp_receive_message( IPC_GET_DEVICE( icall ), packet ); |
531 | ERROR_CODE = arp_receive_message( IPC_GET_DEVICE( icall ), packet ); |
534 | rwlock_read_unlock( & arp_globals.lock ); |
532 | rwlock_read_unlock( & arp_globals.lock ); |
535 | } |
533 | } |
536 | ipc_answer_0( iid, ERROR_CODE ); |
534 | ipc_answer_0( iid, ERROR_CODE ); |
537 | break; |
535 | break; |
538 | default: |
536 | default: |
539 | ipc_answer_0( iid, ENOTSUP ); |
537 | ipc_answer_0( iid, ENOTSUP ); |
540 | } |
538 | } |
541 | iid = async_get_call( icall ); |
539 | iid = async_get_call( icall ); |
542 | } |
540 | } |
543 | } |
541 | } |
544 | 542 | ||
545 | /** @} |
543 | /** @} |
546 | */ |
544 | */ |
547 | 545 |