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