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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 <fibril_sync.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 | /** Clears the device specific data. |
84 | /** Clears the device specific data. |
85 | * @param device The device specific data. |
85 | * @param device The device specific data. |
86 | */ |
86 | */ |
87 | void clear_device( arp_device_ref device ); |
87 | void clear_device( arp_device_ref device ); |
88 | 88 | ||
89 | /** @name Message processing functions |
89 | /** @name Message processing functions |
90 | */ |
90 | */ |
91 | /*@{*/ |
91 | /*@{*/ |
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 and the packet is no longer needed. |
124 | * @returns EOK on success and the packet is no longer needed. |
125 | * @returns 1 on success and the packet has been reused. |
125 | * @returns 1 on success and the packet has been reused. |
126 | * @returns EINVAL if the packet is too small to carry an ARP packet. |
126 | * @returns EINVAL if the packet is too small to carry an ARP packet. |
127 | * @returns EINVAL if the received address lengths differs from the registered values. |
127 | * @returns EINVAL if the received address lengths differs from the registered values. |
128 | * @returns ENOENT if the device is not found in the cache. |
128 | * @returns ENOENT if the device is not found in the cache. |
129 | * @returns ENOENT if the protocol for the device is not found in the cache. |
129 | * @returns ENOENT if the protocol for the device is not found in the cache. |
130 | * @returns ENOMEM if there is not enough memory left. |
130 | * @returns ENOMEM if there is not enough memory left. |
131 | */ |
131 | */ |
132 | int arp_receive_message( device_id_t device_id, packet_t packet ); |
132 | int arp_receive_message( device_id_t device_id, packet_t packet ); |
133 | 133 | ||
134 | /** Updates the device content length according to the new MTU value. |
134 | /** Updates the device content length according to the new MTU value. |
135 | * @param device_id The device identifier. Input parameter. |
135 | * @param device_id The device identifier. Input parameter. |
136 | * @param mtu The new mtu value. Input parameter. |
136 | * @param mtu The new mtu value. Input parameter. |
137 | * @returns ENOENT if device is not found. |
137 | * @returns ENOENT if device is not found. |
138 | * @returns EOK on success. |
138 | * @returns EOK on success. |
139 | */ |
139 | */ |
140 | int arp_mtu_changed_message( device_id_t device_id, size_t mtu ); |
140 | int arp_mtu_changed_message( device_id_t device_id, size_t mtu ); |
141 | 141 | ||
142 | /*@}*/ |
142 | /*@}*/ |
143 | 143 | ||
144 | DEVICE_MAP_IMPLEMENT( arp_cache, arp_device_t ) |
144 | DEVICE_MAP_IMPLEMENT( arp_cache, arp_device_t ) |
145 | 145 | ||
146 | INT_MAP_IMPLEMENT( arp_protos, arp_proto_t ) |
146 | INT_MAP_IMPLEMENT( arp_protos, arp_proto_t ) |
147 | 147 | ||
148 | GENERIC_CHAR_MAP_IMPLEMENT( arp_addr, measured_string_t ) |
148 | GENERIC_CHAR_MAP_IMPLEMENT( arp_addr, measured_string_t ) |
149 | 149 | ||
150 | task_id_t arp_task_get_id( void ){ |
150 | task_id_t arp_task_get_id( void ){ |
151 | return task_get_id(); |
151 | return task_get_id(); |
152 | } |
152 | } |
153 | 153 | ||
154 | int arp_clear_device_req( int arp_phone, device_id_t device_id ){ |
154 | int arp_clear_device_req( int arp_phone, device_id_t device_id ){ |
155 | arp_device_ref device; |
155 | arp_device_ref device; |
156 | 156 | ||
157 | fibril_rwlock_write_lock( & arp_globals.lock ); |
157 | fibril_rwlock_write_lock( & arp_globals.lock ); |
158 | device = arp_cache_find( & arp_globals.cache, device_id ); |
158 | device = arp_cache_find( & arp_globals.cache, device_id ); |
159 | if( ! device ){ |
159 | if( ! device ){ |
160 | fibril_rwlock_write_unlock( & arp_globals.lock ); |
160 | fibril_rwlock_write_unlock( & arp_globals.lock ); |
161 | return ENOENT; |
161 | return ENOENT; |
162 | } |
162 | } |
163 | clear_device( device ); |
163 | clear_device( device ); |
164 | printf( "Device %d cleared\n", device_id ); |
164 | printf( "Device %d cleared\n", device_id ); |
165 | fibril_rwlock_write_unlock( & arp_globals.lock ); |
165 | fibril_rwlock_write_unlock( & arp_globals.lock ); |
166 | return EOK; |
166 | return EOK; |
167 | } |
167 | } |
168 | 168 | ||
169 | int arp_clear_address_req( int arp_phone, device_id_t device_id, services_t protocol, measured_string_ref address ){ |
169 | int arp_clear_address_req( int arp_phone, device_id_t device_id, services_t protocol, measured_string_ref address ){ |
170 | arp_device_ref device; |
170 | arp_device_ref device; |
171 | arp_proto_ref proto; |
171 | arp_proto_ref proto; |
172 | 172 | ||
173 | fibril_rwlock_write_lock( & arp_globals.lock ); |
173 | fibril_rwlock_write_lock( & arp_globals.lock ); |
174 | device = arp_cache_find( & arp_globals.cache, device_id ); |
174 | device = arp_cache_find( & arp_globals.cache, device_id ); |
175 | if( ! device ){ |
175 | if( ! device ){ |
176 | fibril_rwlock_write_unlock( & arp_globals.lock ); |
176 | fibril_rwlock_write_unlock( & arp_globals.lock ); |
177 | return ENOENT; |
177 | return ENOENT; |
178 | } |
178 | } |
179 | proto = arp_protos_find( & device->protos, protocol ); |
179 | proto = arp_protos_find( & device->protos, protocol ); |
180 | if( ! proto ){ |
180 | if( ! proto ){ |
181 | fibril_rwlock_write_unlock( & arp_globals.lock ); |
181 | fibril_rwlock_write_unlock( & arp_globals.lock ); |
182 | return ENOENT; |
182 | return ENOENT; |
183 | } |
183 | } |
184 | arp_addr_exclude( & proto->addresses, address->value, address->length ); |
184 | arp_addr_exclude( & proto->addresses, address->value, address->length ); |
185 | fibril_rwlock_write_unlock( & arp_globals.lock ); |
185 | fibril_rwlock_write_unlock( & arp_globals.lock ); |
186 | return EOK; |
186 | return EOK; |
187 | } |
187 | } |
188 | 188 | ||
189 | int arp_clean_cache_req( int arp_phone ){ |
189 | int arp_clean_cache_req( int arp_phone ){ |
190 | int count; |
190 | int count; |
191 | arp_device_ref device; |
191 | arp_device_ref device; |
192 | 192 | ||
193 | fibril_rwlock_write_lock( & arp_globals.lock ); |
193 | fibril_rwlock_write_lock( & arp_globals.lock ); |
194 | for( count = arp_cache_count( & arp_globals.cache ) - 1; count >= 0; -- count ){ |
194 | for( count = arp_cache_count( & arp_globals.cache ) - 1; count >= 0; -- count ){ |
195 | device = arp_cache_get_index( & arp_globals.cache, count ); |
195 | device = arp_cache_get_index( & arp_globals.cache, count ); |
196 | if( device ){ |
196 | if( device ){ |
197 | clear_device( device ); |
197 | clear_device( device ); |
198 | if( device->addr_data ) free( device->addr_data ); |
198 | if( device->addr_data ) free( device->addr_data ); |
199 | if( device->broadcast_data ) free( device->broadcast_data ); |
199 | if( device->broadcast_data ) free( device->broadcast_data ); |
200 | } |
200 | } |
201 | } |
201 | } |
202 | arp_cache_clear( & arp_globals.cache ); |
202 | arp_cache_clear( & arp_globals.cache ); |
203 | fibril_rwlock_write_unlock( & arp_globals.lock ); |
203 | fibril_rwlock_write_unlock( & arp_globals.lock ); |
204 | printf( "Cache cleaned\n" ); |
204 | printf( "Cache cleaned\n" ); |
205 | return EOK; |
205 | return EOK; |
206 | } |
206 | } |
207 | 207 | ||
208 | int arp_device_req( int arp_phone, device_id_t device_id, services_t protocol, services_t netif, measured_string_ref address ){ |
208 | int arp_device_req( int arp_phone, device_id_t device_id, services_t protocol, services_t netif, measured_string_ref address ){ |
209 | ERROR_DECLARE; |
209 | ERROR_DECLARE; |
210 | 210 | ||
211 | measured_string_ref tmp; |
211 | measured_string_ref tmp; |
212 | 212 | ||
213 | tmp = measured_string_copy( address ); |
213 | tmp = measured_string_copy( address ); |
214 | if( ERROR_OCCURRED( arp_device_message( device_id, netif, protocol, tmp ))){ |
214 | if( ERROR_OCCURRED( arp_device_message( device_id, netif, protocol, tmp ))){ |
215 | free( tmp->value ); |
215 | free( tmp->value ); |
216 | free( tmp ); |
216 | free( tmp ); |
217 | } |
217 | } |
218 | return ERROR_CODE; |
218 | return ERROR_CODE; |
219 | } |
219 | } |
220 | 220 | ||
221 | 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 ){ |
221 | 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 ){ |
222 | measured_string_ref tmp; |
222 | measured_string_ref tmp; |
223 | 223 | ||
224 | fibril_rwlock_read_lock( & arp_globals.lock ); |
224 | fibril_rwlock_read_lock( & arp_globals.lock ); |
225 | tmp = arp_translate_message( device_id, protocol, address ); |
225 | tmp = arp_translate_message( device_id, protocol, address ); |
226 | if( tmp ){ |
226 | if( tmp ){ |
227 | * translation = measured_string_copy( tmp ); |
227 | * translation = measured_string_copy( tmp ); |
228 | fibril_rwlock_read_unlock( & arp_globals.lock ); |
228 | fibril_rwlock_read_unlock( & arp_globals.lock ); |
229 | if( * translation ){ |
229 | if( * translation ){ |
230 | * data = ( ** translation ).value; |
230 | * data = ( ** translation ).value; |
231 | return EOK; |
231 | return EOK; |
232 | }else{ |
232 | }else{ |
233 | return ENOMEM; |
233 | return ENOMEM; |
234 | } |
234 | } |
235 | }else{ |
235 | }else{ |
236 | fibril_rwlock_read_unlock( & arp_globals.lock ); |
236 | fibril_rwlock_read_unlock( & arp_globals.lock ); |
237 | return ENOENT; |
237 | return ENOENT; |
238 | } |
238 | } |
239 | } |
239 | } |
240 | 240 | ||
241 | int arp_initialize( async_client_conn_t client_connection ){ |
241 | int arp_initialize( async_client_conn_t client_connection ){ |
242 | ERROR_DECLARE; |
242 | ERROR_DECLARE; |
243 | 243 | ||
244 | fibril_rwlock_initialize( & arp_globals.lock ); |
244 | fibril_rwlock_initialize( & arp_globals.lock ); |
245 | fibril_rwlock_write_lock( & arp_globals.lock ); |
245 | fibril_rwlock_write_lock( & arp_globals.lock ); |
246 | arp_globals.client_connection = client_connection; |
246 | arp_globals.client_connection = client_connection; |
247 | ERROR_PROPAGATE( arp_cache_initialize( & arp_globals.cache )); |
247 | ERROR_PROPAGATE( arp_cache_initialize( & arp_globals.cache )); |
248 | fibril_rwlock_write_unlock( & arp_globals.lock ); |
248 | fibril_rwlock_write_unlock( & arp_globals.lock ); |
249 | return EOK; |
249 | return EOK; |
250 | } |
250 | } |
251 | 251 | ||
252 | int arp_proto_create( arp_proto_ref * proto, services_t service, measured_string_ref address ){ |
252 | int arp_proto_create( arp_proto_ref * proto, services_t service, measured_string_ref address ){ |
253 | ERROR_DECLARE; |
253 | ERROR_DECLARE; |
254 | 254 | ||
255 | * proto = ( arp_proto_ref ) malloc( sizeof( arp_proto_t )); |
255 | * proto = ( arp_proto_ref ) malloc( sizeof( arp_proto_t )); |
256 | if( !( * proto )) return ENOMEM; |
256 | if( !( * proto )) return ENOMEM; |
257 | ( ** proto ).service = service; |
257 | ( ** proto ).service = service; |
258 | ( ** proto ).addr = address; |
258 | ( ** proto ).addr = address; |
259 | ( ** proto ).addr_data = address->value; |
259 | ( ** proto ).addr_data = address->value; |
260 | if( ERROR_OCCURRED( arp_addr_initialize( &( ** proto).addresses ))){ |
260 | if( ERROR_OCCURRED( arp_addr_initialize( &( ** proto).addresses ))){ |
261 | free( * proto ); |
261 | free( * proto ); |
262 | return ERROR_CODE; |
262 | return ERROR_CODE; |
263 | } |
263 | } |
264 | return EOK; |
264 | return EOK; |
265 | } |
265 | } |
266 | 266 | ||
267 | int arp_device_message( device_id_t device_id, services_t service, services_t protocol, measured_string_ref address ){ |
267 | int arp_device_message( device_id_t device_id, services_t service, services_t protocol, measured_string_ref address ){ |
268 | ERROR_DECLARE; |
268 | ERROR_DECLARE; |
269 | 269 | ||
270 | arp_device_ref device; |
270 | arp_device_ref device; |
271 | arp_proto_ref proto; |
271 | arp_proto_ref proto; |
272 | int index; |
272 | int index; |
273 | hw_type_t hardware; |
273 | hw_type_t hardware; |
274 | 274 | ||
275 | fibril_rwlock_write_lock( & arp_globals.lock ); |
275 | fibril_rwlock_write_lock( & arp_globals.lock ); |
276 | // an existing device? |
276 | // an existing device? |
277 | device = arp_cache_find( & arp_globals.cache, device_id ); |
277 | device = arp_cache_find( & arp_globals.cache, device_id ); |
278 | if( device ){ |
278 | if( device ){ |
279 | if( device->service != service ){ |
279 | if( device->service != service ){ |
280 | printf( "Device %d already exists\n", device->device_id ); |
280 | printf( "Device %d already exists\n", device->device_id ); |
281 | fibril_rwlock_write_unlock( & arp_globals.lock ); |
281 | fibril_rwlock_write_unlock( & arp_globals.lock ); |
282 | return EEXIST; |
282 | return EEXIST; |
283 | } |
283 | } |
284 | proto = arp_protos_find( & device->protos, protocol ); |
284 | proto = arp_protos_find( & device->protos, protocol ); |
285 | if( proto ){ |
285 | if( proto ){ |
286 | free( proto->addr ); |
286 | free( proto->addr ); |
287 | free( proto->addr_data ); |
287 | free( proto->addr_data ); |
288 | proto->addr = address; |
288 | proto->addr = address; |
289 | proto->addr_data = address->value; |
289 | proto->addr_data = address->value; |
290 | }else{ |
290 | }else{ |
291 | if( ERROR_OCCURRED( arp_proto_create( & proto, protocol, address ))){ |
291 | if( ERROR_OCCURRED( arp_proto_create( & proto, protocol, address ))){ |
292 | fibril_rwlock_write_unlock( & arp_globals.lock ); |
292 | fibril_rwlock_write_unlock( & arp_globals.lock ); |
293 | return ERROR_CODE; |
293 | return ERROR_CODE; |
294 | } |
294 | } |
295 | index = arp_protos_add( & device->protos, proto->service, proto ); |
295 | index = arp_protos_add( & device->protos, proto->service, proto ); |
296 | if( index < 0 ){ |
296 | if( index < 0 ){ |
297 | fibril_rwlock_write_unlock( & arp_globals.lock ); |
297 | fibril_rwlock_write_unlock( & arp_globals.lock ); |
298 | free( proto ); |
298 | free( proto ); |
299 | return index; |
299 | return index; |
300 | } |
300 | } |
301 | printf( "New protocol added:\n\tdevice id\t= %d\n\tproto\t= %d", device_id, protocol ); |
301 | printf( "New protocol added:\n\tdevice id\t= %d\n\tproto\t= %d", device_id, protocol ); |
302 | } |
302 | } |
303 | }else{ |
303 | }else{ |
304 | hardware = hardware_map( service ); |
304 | hardware = hardware_map( service ); |
305 | if( ! hardware ) return ENOENT; |
305 | if( ! hardware ) return ENOENT; |
306 | // create a new device |
306 | // create a new device |
307 | device = ( arp_device_ref ) malloc( sizeof( arp_device_t )); |
307 | device = ( arp_device_ref ) malloc( sizeof( arp_device_t )); |
308 | if( ! device ){ |
308 | if( ! device ){ |
309 | fibril_rwlock_write_unlock( & arp_globals.lock ); |
309 | fibril_rwlock_write_unlock( & arp_globals.lock ); |
310 | return ENOMEM; |
310 | return ENOMEM; |
311 | } |
311 | } |
312 | device->hardware = hardware; |
312 | device->hardware = hardware; |
313 | device->device_id = device_id; |
313 | device->device_id = device_id; |
314 | if( ERROR_OCCURRED( arp_protos_initialize( & device->protos )) |
314 | if( ERROR_OCCURRED( arp_protos_initialize( & device->protos )) |
315 | || ERROR_OCCURRED( arp_proto_create( & proto, protocol, address ))){ |
315 | || ERROR_OCCURRED( arp_proto_create( & proto, protocol, address ))){ |
316 | fibril_rwlock_write_unlock( & arp_globals.lock ); |
316 | fibril_rwlock_write_unlock( & arp_globals.lock ); |
317 | free( device ); |
317 | free( device ); |
318 | return ERROR_CODE; |
318 | return ERROR_CODE; |
319 | } |
319 | } |
320 | index = arp_protos_add( & device->protos, proto->service, proto ); |
320 | index = arp_protos_add( & device->protos, proto->service, proto ); |
321 | if( index < 0 ){ |
321 | if( index < 0 ){ |
322 | fibril_rwlock_write_unlock( & arp_globals.lock ); |
322 | fibril_rwlock_write_unlock( & arp_globals.lock ); |
323 | arp_protos_destroy( & device->protos ); |
323 | arp_protos_destroy( & device->protos ); |
324 | free( device ); |
324 | free( device ); |
325 | return index; |
325 | return index; |
326 | } |
326 | } |
327 | device->service = service; |
327 | device->service = service; |
328 | // bind the new one |
328 | // bind the new one |
329 | device->phone = bind_service( device->service, ( ipcarg_t ) device->device_id, SERVICE_ARP, 0, arp_globals.client_connection ); |
329 | device->phone = bind_service( device->service, ( ipcarg_t ) device->device_id, SERVICE_ARP, 0, arp_globals.client_connection ); |
330 | if( device->phone < 0 ){ |
330 | if( device->phone < 0 ){ |
331 | fibril_rwlock_write_unlock( & arp_globals.lock ); |
331 | fibril_rwlock_write_unlock( & arp_globals.lock ); |
332 | arp_protos_destroy( & device->protos ); |
332 | arp_protos_destroy( & device->protos ); |
333 | free( device ); |
333 | free( device ); |
334 | return EREFUSED; |
334 | return EREFUSED; |
335 | } |
335 | } |
336 | // get packet dimensions |
336 | // get packet dimensions |
337 | if( ERROR_OCCURRED( nil_packet_size_req( device->phone, device_id, & device->addr_len, & device->prefix, & device->content, & device->suffix ))){ |
337 | if( ERROR_OCCURRED( nil_packet_size_req( device->phone, device_id, & device->addr_len, & device->prefix, & device->content, & device->suffix ))){ |
338 | fibril_rwlock_write_unlock( & arp_globals.lock ); |
338 | fibril_rwlock_write_unlock( & arp_globals.lock ); |
339 | arp_protos_destroy( & device->protos ); |
339 | arp_protos_destroy( & device->protos ); |
340 | free( device ); |
340 | free( device ); |
341 | return ERROR_CODE; |
341 | return ERROR_CODE; |
342 | } |
342 | } |
343 | // get hardware address |
343 | // get hardware address |
344 | if( ERROR_OCCURRED( nil_get_addr( device->phone, device_id, & device->addr, & device->addr_data ))){ |
344 | if( ERROR_OCCURRED( nil_get_addr( device->phone, device_id, & device->addr, & device->addr_data ))){ |
345 | fibril_rwlock_write_unlock( & arp_globals.lock ); |
345 | fibril_rwlock_write_unlock( & arp_globals.lock ); |
346 | arp_protos_destroy( & device->protos ); |
346 | arp_protos_destroy( & device->protos ); |
347 | free( device ); |
347 | free( device ); |
348 | return ERROR_CODE; |
348 | return ERROR_CODE; |
349 | } |
349 | } |
350 | // get broadcast address |
350 | // get broadcast address |
351 | if( ERROR_OCCURRED( nil_get_broadcast_addr( device->phone, device_id, & device->broadcast_addr, & device->broadcast_data ))){ |
351 | if( ERROR_OCCURRED( nil_get_broadcast_addr( device->phone, device_id, & device->broadcast_addr, & device->broadcast_data ))){ |
352 | fibril_rwlock_write_unlock( & arp_globals.lock ); |
352 | fibril_rwlock_write_unlock( & arp_globals.lock ); |
353 | free( device->addr ); |
353 | free( device->addr ); |
354 | free( device->addr_data ); |
354 | free( device->addr_data ); |
355 | arp_protos_destroy( & device->protos ); |
355 | arp_protos_destroy( & device->protos ); |
356 | free( device ); |
356 | free( device ); |
357 | return ERROR_CODE; |
357 | return ERROR_CODE; |
358 | } |
358 | } |
359 | if( ERROR_OCCURRED( arp_cache_add( & arp_globals.cache, device->device_id, device ))){ |
359 | if( ERROR_OCCURRED( arp_cache_add( & arp_globals.cache, device->device_id, device ))){ |
360 | fibril_rwlock_write_unlock( & arp_globals.lock ); |
360 | fibril_rwlock_write_unlock( & arp_globals.lock ); |
361 | free( device->addr ); |
361 | free( device->addr ); |
362 | free( device->addr_data ); |
362 | free( device->addr_data ); |
363 | free( device->broadcast_addr ); |
363 | free( device->broadcast_addr ); |
364 | free( device->broadcast_data ); |
364 | free( device->broadcast_data ); |
365 | arp_protos_destroy( & device->protos ); |
365 | arp_protos_destroy( & device->protos ); |
366 | free( device ); |
366 | free( device ); |
367 | return ERROR_CODE; |
367 | return ERROR_CODE; |
368 | } |
368 | } |
369 | 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 ); |
369 | 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 ); |
370 | } |
370 | } |
371 | fibril_rwlock_write_unlock( & arp_globals.lock ); |
371 | fibril_rwlock_write_unlock( & arp_globals.lock ); |
372 | return EOK; |
372 | return EOK; |
373 | } |
373 | } |
374 | 374 | ||
375 | measured_string_ref arp_translate_message( device_id_t device_id, services_t protocol, measured_string_ref target ){ |
375 | measured_string_ref arp_translate_message( device_id_t device_id, services_t protocol, measured_string_ref target ){ |
376 | arp_device_ref device; |
376 | arp_device_ref device; |
377 | arp_proto_ref proto; |
377 | arp_proto_ref proto; |
378 | measured_string_ref addr; |
378 | measured_string_ref addr; |
379 | size_t length; |
379 | size_t length; |
380 | packet_t packet; |
380 | packet_t packet; |
381 | arp_header_ref header; |
381 | arp_header_ref header; |
382 | 382 | ||
383 | if( ! target ) return NULL; |
383 | if( ! target ) return NULL; |
384 | device = arp_cache_find( & arp_globals.cache, device_id ); |
384 | device = arp_cache_find( & arp_globals.cache, device_id ); |
385 | if( ! device ) return NULL; |
385 | if( ! device ) return NULL; |
386 | proto = arp_protos_find( & device->protos, protocol ); |
386 | proto = arp_protos_find( & device->protos, protocol ); |
387 | if(( ! proto ) || ( proto->addr->length != target->length )) return NULL; |
387 | if(( ! proto ) || ( proto->addr->length != target->length )) return NULL; |
388 | addr = arp_addr_find( & proto->addresses, target->value, target->length ); |
388 | addr = arp_addr_find( & proto->addresses, target->value, target->length ); |
389 | if( addr ) return addr; |
389 | if( addr ) return addr; |
390 | // ARP packet content size = header + ( address + translation ) * 2 |
390 | // ARP packet content size = header + ( address + translation ) * 2 |
391 | length = 8 + ( CONVERT_SIZE( char, uint8_t, proto->addr->length ) + CONVERT_SIZE( char, uint8_t, device->addr->length )) * 2; |
391 | length = 8 + ( CONVERT_SIZE( char, uint8_t, proto->addr->length ) + CONVERT_SIZE( char, uint8_t, device->addr->length )) * 2; |
392 | if( length > device->content ) return NULL; |
392 | if( length > device->content ) return NULL; |
393 | packet = packet_get_4( arp_globals.net_phone, device->addr_len, device->prefix, length, device->suffix ); |
393 | packet = packet_get_4( arp_globals.net_phone, device->addr_len, device->prefix, length, device->suffix ); |
394 | if( ! packet ) return NULL; |
394 | if( ! packet ) return NULL; |
395 | header = ( arp_header_ref ) packet_suffix( packet, length ); |
395 | header = ( arp_header_ref ) packet_suffix( packet, length ); |
396 | if( ! header ){ |
396 | if( ! header ){ |
397 | pq_release( arp_globals.net_phone, packet_get_id( packet )); |
397 | pq_release( arp_globals.net_phone, packet_get_id( packet )); |
398 | return NULL; |
398 | return NULL; |
399 | } |
399 | } |
400 | header->hardware = htons( device->hardware ); |
400 | header->hardware = htons( device->hardware ); |
401 | header->hardware_length = ( uint8_t ) device->addr->length; |
401 | header->hardware_length = ( uint8_t ) device->addr->length; |
402 | header->protocol = htons( protocol_map( device->service, protocol )); |
402 | header->protocol = htons( protocol_map( device->service, protocol )); |
403 | header->protocol_length = ( uint8_t ) proto->addr->length; |
403 | header->protocol_length = ( uint8_t ) proto->addr->length; |
404 | header->operation = htons( ARPOP_REQUEST ); |
404 | header->operation = htons( ARPOP_REQUEST ); |
405 | length = sizeof( arp_header_t ); |
405 | length = sizeof( arp_header_t ); |
406 | memcpy((( uint8_t * ) header ) + length, device->addr->value, device->addr->length ); |
406 | memcpy((( uint8_t * ) header ) + length, device->addr->value, device->addr->length ); |
407 | length += device->addr->length; |
407 | length += device->addr->length; |
408 | memcpy((( uint8_t * ) header ) + length, proto->addr->value, proto->addr->length ); |
408 | memcpy((( uint8_t * ) header ) + length, proto->addr->value, proto->addr->length ); |
409 | length += proto->addr->length; |
409 | length += proto->addr->length; |
410 | bzero((( uint8_t * ) header ) + length, device->addr->length ); |
410 | bzero((( uint8_t * ) header ) + length, device->addr->length ); |
411 | length += device->addr->length; |
411 | length += device->addr->length; |
412 | memcpy((( uint8_t * ) header ) + length, target->value, target->length ); |
412 | memcpy((( uint8_t * ) header ) + length, target->value, target->length ); |
413 | 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 ){ |
413 | 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 ){ |
414 | pq_release( arp_globals.net_phone, packet_get_id( packet )); |
414 | pq_release( arp_globals.net_phone, packet_get_id( packet )); |
415 | return NULL; |
415 | return NULL; |
416 | } |
416 | } |
417 | nil_send_msg( device->phone, device_id, packet, SERVICE_ARP ); |
417 | nil_send_msg( device->phone, device_id, packet, SERVICE_ARP ); |
418 | return NULL; |
418 | return NULL; |
419 | } |
419 | } |
420 | 420 | ||
421 | int arp_receive_message( device_id_t device_id, packet_t packet ){ |
421 | int arp_receive_message( device_id_t device_id, packet_t packet ){ |
422 | ERROR_DECLARE; |
422 | ERROR_DECLARE; |
423 | 423 | ||
424 | size_t length; |
424 | size_t length; |
425 | arp_header_ref header; |
425 | arp_header_ref header; |
426 | arp_device_ref device; |
426 | arp_device_ref device; |
427 | arp_proto_ref proto; |
427 | arp_proto_ref proto; |
428 | measured_string_ref hw_source; |
428 | measured_string_ref hw_source; |
429 | uint8_t * src_hw; |
429 | uint8_t * src_hw; |
430 | uint8_t * src_proto; |
430 | uint8_t * src_proto; |
431 | uint8_t * des_hw; |
431 | uint8_t * des_hw; |
432 | uint8_t * des_proto; |
432 | uint8_t * des_proto; |
433 | 433 | ||
434 | length = packet_get_data_length( packet ); |
434 | length = packet_get_data_length( packet ); |
435 | if( length <= sizeof( arp_header_t )) return EINVAL; |
435 | if( length <= sizeof( arp_header_t )) return EINVAL; |
436 | device = arp_cache_find( & arp_globals.cache, device_id ); |
436 | device = arp_cache_find( & arp_globals.cache, device_id ); |
437 | if( ! device ) return ENOENT; |
437 | if( ! device ) return ENOENT; |
438 | header = ( arp_header_ref ) packet_get_data( packet ); |
438 | header = ( arp_header_ref ) packet_get_data( packet ); |
439 | if(( ntohs( header->hardware ) != device->hardware ) |
439 | if(( ntohs( header->hardware ) != device->hardware ) |
440 | // TODO how remove conversion from int '2' to uint? |
- | |
441 | || ( length < sizeof( arp_header_t ) + ( header->hardware_length + header->protocol_length ) * 2u )){ |
440 | || ( length < sizeof( arp_header_t ) + header->hardware_length * 2u + header->protocol_length * 2u )){ |
442 | return EINVAL; |
441 | return EINVAL; |
443 | } |
442 | } |
444 | proto = arp_protos_find( & device->protos, protocol_unmap( device->service, ntohs( header->protocol ))); |
443 | proto = arp_protos_find( & device->protos, protocol_unmap( device->service, ntohs( header->protocol ))); |
445 | if( ! proto ) return ENOENT; |
444 | if( ! proto ) return ENOENT; |
446 | src_hw = (( uint8_t * ) header ) + sizeof( arp_header_t ); |
445 | src_hw = (( uint8_t * ) header ) + sizeof( arp_header_t ); |
447 | src_proto = src_hw + header->hardware_length; |
446 | src_proto = src_hw + header->hardware_length; |
448 | des_hw = src_proto + header->protocol_length; |
447 | des_hw = src_proto + header->protocol_length; |
449 | des_proto = des_hw + header->hardware_length; |
448 | des_proto = des_hw + header->hardware_length; |
450 | hw_source = arp_addr_find( & proto->addresses, ( char * ) src_proto, CONVERT_SIZE( uint8_t, char, header->protocol_length )); |
449 | hw_source = arp_addr_find( & proto->addresses, ( char * ) src_proto, CONVERT_SIZE( uint8_t, char, header->protocol_length )); |
451 | // exists? |
450 | // exists? |
452 | if( hw_source ){ |
451 | if( hw_source ){ |
453 | if( hw_source->length != CONVERT_SIZE( uint8_t, char, header->hardware_length )){ |
452 | if( hw_source->length != CONVERT_SIZE( uint8_t, char, header->hardware_length )){ |
454 | return EINVAL; |
453 | return EINVAL; |
455 | } |
454 | } |
456 | memcpy( hw_source->value, src_hw, hw_source->length ); |
455 | memcpy( hw_source->value, src_hw, hw_source->length ); |
457 | } |
456 | } |
458 | // is my protocol address? |
457 | // is my protocol address? |
459 | if( proto->addr->length != CONVERT_SIZE( uint8_t, char, header->protocol_length )){ |
458 | if( proto->addr->length != CONVERT_SIZE( uint8_t, char, header->protocol_length )){ |
460 | return EINVAL; |
459 | return EINVAL; |
461 | } |
460 | } |
462 | if( ! str_lcmp( proto->addr->value, ( char * ) des_proto, proto->addr->length )){ |
461 | if( ! str_lcmp( proto->addr->value, ( char * ) des_proto, proto->addr->length )){ |
463 | // not already upadted? |
462 | // not already upadted? |
464 | if( ! hw_source ){ |
463 | if( ! hw_source ){ |
465 | hw_source = measured_string_create_bulk(( char * ) src_hw, CONVERT_SIZE( uint8_t, char, header->hardware_length )); |
464 | hw_source = measured_string_create_bulk(( char * ) src_hw, CONVERT_SIZE( uint8_t, char, header->hardware_length )); |
466 | if( ! hw_source ) return ENOMEM; |
465 | if( ! hw_source ) return ENOMEM; |
467 | ERROR_PROPAGATE( arp_addr_add( & proto->addresses, ( char * ) src_proto, CONVERT_SIZE( uint8_t, char, header->protocol_length ), hw_source )); |
466 | ERROR_PROPAGATE( arp_addr_add( & proto->addresses, ( char * ) src_proto, CONVERT_SIZE( uint8_t, char, header->protocol_length ), hw_source )); |
468 | } |
467 | } |
469 | if( ntohs( header->operation ) == ARPOP_REQUEST ){ |
468 | if( ntohs( header->operation ) == ARPOP_REQUEST ){ |
470 | header->operation = htons( ARPOP_REPLY ); |
469 | header->operation = htons( ARPOP_REPLY ); |
471 | memcpy( des_proto, src_proto, header->protocol_length ); |
470 | memcpy( des_proto, src_proto, header->protocol_length ); |
472 | memcpy( src_proto, proto->addr->value, header->protocol_length ); |
471 | memcpy( src_proto, proto->addr->value, header->protocol_length ); |
473 | memcpy( src_hw, device->addr->value, device->addr_len ); |
472 | memcpy( src_hw, device->addr->value, device->addr_len ); |
474 | memcpy( des_hw, hw_source->value, header->hardware_length ); |
473 | memcpy( des_hw, hw_source->value, header->hardware_length ); |
475 | ERROR_PROPAGATE( packet_set_addr( packet, src_hw, des_hw, header->hardware_length )); |
474 | ERROR_PROPAGATE( packet_set_addr( packet, src_hw, des_hw, header->hardware_length )); |
476 | nil_send_msg( device->phone, device_id, packet, SERVICE_ARP ); |
475 | nil_send_msg( device->phone, device_id, packet, SERVICE_ARP ); |
477 | return 1; |
476 | return 1; |
478 | } |
477 | } |
479 | } |
478 | } |
480 | return EOK; |
479 | return EOK; |
481 | } |
480 | } |
482 | 481 | ||
483 | void clear_device( arp_device_ref device ){ |
482 | void clear_device( arp_device_ref device ){ |
484 | int count; |
483 | int count; |
485 | arp_proto_ref proto; |
484 | arp_proto_ref proto; |
486 | 485 | ||
487 | for( count = arp_protos_count( & device->protos ) - 1; count >= 0; -- count ){ |
486 | for( count = arp_protos_count( & device->protos ) - 1; count >= 0; -- count ){ |
488 | proto = arp_protos_get_index( & device->protos, count ); |
487 | proto = arp_protos_get_index( & device->protos, count ); |
489 | if( proto ){ |
488 | if( proto ){ |
490 | if( proto->addr ) free( proto->addr ); |
489 | if( proto->addr ) free( proto->addr ); |
491 | if( proto->addr_data ) free( proto->addr_data ); |
490 | if( proto->addr_data ) free( proto->addr_data ); |
492 | arp_addr_destroy( & proto->addresses ); |
491 | arp_addr_destroy( & proto->addresses ); |
493 | } |
492 | } |
494 | } |
493 | } |
495 | arp_protos_clear( & device->protos ); |
494 | arp_protos_clear( & device->protos ); |
496 | } |
495 | } |
497 | 496 | ||
498 | int arp_connect_module( services_t service ){ |
497 | int arp_connect_module( services_t service ){ |
- | 498 | if( service != SERVICE_ARP ) return EINVAL; |
|
499 | return EOK; |
499 | return EOK; |
500 | } |
500 | } |
501 | 501 | ||
502 | int arp_mtu_changed_message( device_id_t device_id, size_t mtu ){ |
502 | int arp_mtu_changed_message( device_id_t device_id, size_t mtu ){ |
503 | arp_device_ref device; |
503 | arp_device_ref device; |
504 | 504 | ||
505 | fibril_rwlock_write_lock( & arp_globals.lock ); |
505 | fibril_rwlock_write_lock( & arp_globals.lock ); |
506 | device = arp_cache_find( & arp_globals.cache, device_id ); |
506 | device = arp_cache_find( & arp_globals.cache, device_id ); |
507 | if( ! device ){ |
507 | if( ! device ){ |
508 | fibril_rwlock_write_unlock( & arp_globals.lock ); |
508 | fibril_rwlock_write_unlock( & arp_globals.lock ); |
509 | return ENOENT; |
509 | return ENOENT; |
510 | } |
510 | } |
511 | device->content = mtu; |
511 | device->content = mtu; |
512 | printf( "arp - device %d changed mtu to %d\n\n", device_id, mtu ); |
512 | printf( "arp - device %d changed mtu to %d\n\n", device_id, mtu ); |
513 | fibril_rwlock_write_unlock( & arp_globals.lock ); |
513 | fibril_rwlock_write_unlock( & arp_globals.lock ); |
514 | return EOK; |
514 | return EOK; |
515 | } |
515 | } |
516 | 516 | ||
517 | int arp_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){ |
517 | int arp_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){ |
518 | ERROR_DECLARE; |
518 | ERROR_DECLARE; |
519 | 519 | ||
520 | measured_string_ref address; |
520 | measured_string_ref address; |
521 | measured_string_ref translation; |
521 | measured_string_ref translation; |
522 | char * data; |
522 | char * data; |
523 | packet_t packet; |
523 | packet_t packet; |
524 | packet_t next; |
524 | packet_t next; |
525 | 525 | ||
526 | // printf( "message %d - %d\n", IPC_GET_METHOD( * call ), NET_ARP_FIRST ); |
526 | // printf( "message %d - %d\n", IPC_GET_METHOD( * call ), NET_ARP_FIRST ); |
527 | * answer_count = 0; |
527 | * answer_count = 0; |
528 | switch( IPC_GET_METHOD( * call )){ |
528 | switch( IPC_GET_METHOD( * call )){ |
529 | case IPC_M_PHONE_HUNGUP: |
529 | case IPC_M_PHONE_HUNGUP: |
530 | return EOK; |
530 | return EOK; |
531 | case NET_ARP_DEVICE: |
531 | case NET_ARP_DEVICE: |
532 | ERROR_PROPAGATE( measured_strings_receive( & address, & data, 1 )); |
532 | ERROR_PROPAGATE( measured_strings_receive( & address, & data, 1 )); |
533 | if( ERROR_OCCURRED( arp_device_message( IPC_GET_DEVICE( call ), IPC_GET_SERVICE( call ), ARP_GET_NETIF( call ), address ))){ |
533 | if( ERROR_OCCURRED( arp_device_message( IPC_GET_DEVICE( call ), IPC_GET_SERVICE( call ), ARP_GET_NETIF( call ), address ))){ |
534 | free( address ); |
534 | free( address ); |
535 | free( data ); |
535 | free( data ); |
536 | } |
536 | } |
537 | return ERROR_CODE; |
537 | return ERROR_CODE; |
538 | case NET_ARP_TRANSLATE: |
538 | case NET_ARP_TRANSLATE: |
539 | ERROR_PROPAGATE( measured_strings_receive( & address, & data, 1 )); |
539 | ERROR_PROPAGATE( measured_strings_receive( & address, & data, 1 )); |
540 | fibril_rwlock_read_lock( & arp_globals.lock ); |
540 | fibril_rwlock_read_lock( & arp_globals.lock ); |
541 | translation = arp_translate_message( IPC_GET_DEVICE( call ), IPC_GET_SERVICE( call ), address ); |
541 | translation = arp_translate_message( IPC_GET_DEVICE( call ), IPC_GET_SERVICE( call ), address ); |
542 | free( address ); |
542 | free( address ); |
543 | free( data ); |
543 | free( data ); |
544 | if( ! translation ){ |
544 | if( ! translation ){ |
545 | fibril_rwlock_read_unlock( & arp_globals.lock ); |
545 | fibril_rwlock_read_unlock( & arp_globals.lock ); |
546 | return ENOENT; |
546 | return ENOENT; |
547 | } |
547 | } |
548 | ERROR_CODE = measured_strings_reply( translation, 1 ); |
548 | ERROR_CODE = measured_strings_reply( translation, 1 ); |
549 | fibril_rwlock_read_unlock( & arp_globals.lock ); |
549 | fibril_rwlock_read_unlock( & arp_globals.lock ); |
550 | return ERROR_CODE; |
550 | return ERROR_CODE; |
551 | case NET_ARP_CLEAR_DEVICE: |
551 | case NET_ARP_CLEAR_DEVICE: |
552 | return arp_clear_device_req( 0, IPC_GET_DEVICE( call )); |
552 | return arp_clear_device_req( 0, IPC_GET_DEVICE( call )); |
553 | case NET_ARP_CLEAR_ADDRESS: |
553 | case NET_ARP_CLEAR_ADDRESS: |
554 | ERROR_PROPAGATE( measured_strings_receive( & address, & data, 1 )); |
554 | ERROR_PROPAGATE( measured_strings_receive( & address, & data, 1 )); |
555 | arp_clear_address_req( 0, IPC_GET_DEVICE( call ), IPC_GET_SERVICE( call ), address ); |
555 | arp_clear_address_req( 0, IPC_GET_DEVICE( call ), IPC_GET_SERVICE( call ), address ); |
556 | free( address ); |
556 | free( address ); |
557 | free( data ); |
557 | free( data ); |
558 | return EOK; |
558 | return EOK; |
559 | case NET_ARP_CLEAN_CACHE: |
559 | case NET_ARP_CLEAN_CACHE: |
560 | return arp_clean_cache_req( 0 ); |
560 | return arp_clean_cache_req( 0 ); |
561 | case NET_IL_DEVICE_STATE: |
561 | case NET_IL_DEVICE_STATE: |
562 | // do nothing - keep the cache |
562 | // do nothing - keep the cache |
563 | return EOK; |
563 | return EOK; |
564 | case NET_IL_RECEIVED: |
564 | case NET_IL_RECEIVED: |
565 | if( ! ERROR_OCCURRED( packet_translate( arp_globals.net_phone, & packet, IPC_GET_PACKET( call )))){ |
565 | if( ! ERROR_OCCURRED( packet_translate( arp_globals.net_phone, & packet, IPC_GET_PACKET( call )))){ |
566 | fibril_rwlock_read_lock( & arp_globals.lock ); |
566 | fibril_rwlock_read_lock( & arp_globals.lock ); |
567 | do{ |
567 | do{ |
568 | next = pq_detach( packet ); |
568 | next = pq_detach( packet ); |
569 | ERROR_CODE = arp_receive_message( IPC_GET_DEVICE( call ), packet ); |
569 | ERROR_CODE = arp_receive_message( IPC_GET_DEVICE( call ), packet ); |
570 | if( ERROR_CODE != 1 ) pq_release( arp_globals.net_phone, packet_get_id( packet )); |
570 | if( ERROR_CODE != 1 ) pq_release( arp_globals.net_phone, packet_get_id( packet )); |
571 | packet = next; |
571 | packet = next; |
572 | }while( packet ); |
572 | }while( packet ); |
573 | fibril_rwlock_read_unlock( & arp_globals.lock ); |
573 | fibril_rwlock_read_unlock( & arp_globals.lock ); |
574 | } |
574 | } |
575 | return ERROR_CODE; |
575 | return ERROR_CODE; |
576 | case NET_IL_MTU_CHANGED: |
576 | case NET_IL_MTU_CHANGED: |
577 | return arp_mtu_changed_message( IPC_GET_DEVICE( call ), IPC_GET_MTU( call )); |
577 | return arp_mtu_changed_message( IPC_GET_DEVICE( call ), IPC_GET_MTU( call )); |
578 | } |
578 | } |
579 | return ENOTSUP; |
579 | return ENOTSUP; |
580 | } |
580 | } |
581 | 581 | ||
582 | /** @} |
582 | /** @} |
583 | */ |
583 | */ |
584 | 584 |