Rev 4192 | Rev 4261 | Go to most recent revision | Only display areas with differences | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
Rev 4192 | Rev 4243 | ||
---|---|---|---|
1 | /* |
1 | /* |
2 | * Copyright (c) 2009 Lukas Mejdrech |
2 | * Copyright (c) 2009 Lukas Mejdrech |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | /** @addtogroup arp |
29 | /** @addtogroup arp |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | 32 | ||
33 | /** @file |
33 | /** @file |
34 | * ARP module implementation. |
34 | * ARP module implementation. |
35 | * @see arp.h |
35 | * @see arp.h |
36 | */ |
36 | */ |
37 | 37 | ||
38 | #include <async.h> |
38 | #include <async.h> |
39 | #include <malloc.h> |
39 | #include <malloc.h> |
40 | #include <mem.h> |
40 | #include <mem.h> |
41 | #include <rwlock.h> |
41 | #include <rwlock.h> |
42 | #include <stdio.h> |
42 | #include <stdio.h> |
43 | 43 | ||
44 | #include <ipc/ipc.h> |
44 | #include <ipc/ipc.h> |
45 | #include <ipc/services.h> |
45 | #include <ipc/services.h> |
46 | 46 | ||
47 | #include "../../err.h" |
47 | #include "../../err.h" |
48 | #include "../../messages.h" |
48 | #include "../../messages.h" |
49 | #include "../../modules.h" |
49 | #include "../../modules.h" |
50 | 50 | ||
- | 51 | #include "../../include/byteorder.h" |
|
- | 52 | #include "../../include/device.h" |
|
51 | #include "../../include/protocol_map.h" |
53 | #include "../../include/protocol_map.h" |
52 | #include "../../netif/device.h" |
- | |
53 | 54 | ||
54 | #include "../../structures/measured_strings.h" |
55 | #include "../../structures/measured_strings.h" |
55 | #include "../../structures/packet/packet.h" |
56 | #include "../../structures/packet/packet.h" |
56 | #include "../../structures/packet/packet_client.h" |
57 | #include "../../structures/packet/packet_client.h" |
57 | 58 | ||
58 | #include "arp.h" |
59 | #include "arp.h" |
59 | #include "arp_header.h" |
60 | #include "arp_header.h" |
60 | #include "arp_oc.h" |
61 | #include "arp_oc.h" |
61 | //#include "arp_messages.h" |
62 | //#include "arp_messages.h" |
62 | #include "arp_module.h" |
63 | #include "arp_module.h" |
63 | 64 | ||
64 | /** Returns the device identifier message parameter. |
65 | /** Returns the device identifier message parameter. |
65 | */ |
66 | */ |
66 | #define IPC_GET_DEVICE( call ) ( device_id_t ) IPC_GET_ARG1( * call ) |
67 | #define IPC_GET_DEVICE( call ) ( device_id_t ) IPC_GET_ARG1( * call ) |
67 | 68 | ||
68 | /** Returns the packet identifier message parameter. |
69 | /** Returns the packet identifier message parameter. |
69 | */ |
70 | */ |
70 | #define IPC_GET_PACKET( call ) ( packet_id_t ) IPC_GET_ARG2( * call ) |
71 | #define IPC_GET_PACKET( call ) ( packet_id_t ) IPC_GET_ARG2( * call ) |
71 | 72 | ||
72 | /** Returns the protocol service message parameter. |
73 | /** Returns the protocol service message parameter. |
73 | */ |
74 | */ |
74 | #define IPC_GET_PROTO( call ) ( services_t ) IPC_GET_ARG2( * call ) |
75 | #define IPC_GET_PROTO( call ) ( services_t ) IPC_GET_ARG2( * call ) |
75 | 76 | ||
76 | /** Returns the device driver service message parameter. |
77 | /** Returns the device driver service message parameter. |
77 | */ |
78 | */ |
78 | #define IPC_GET_SERVICE( call ) ( services_t ) IPC_GET_ARG3( * call ) |
79 | #define IPC_GET_SERVICE( call ) ( services_t ) IPC_GET_ARG3( * call ) |
79 | 80 | ||
80 | /** ARP global data. |
81 | /** ARP global data. |
81 | */ |
82 | */ |
82 | arp_globals_t arp_globals; |
83 | arp_globals_t arp_globals; |
83 | 84 | ||
84 | /** Creates new protocol specific data. |
85 | /** Creates new protocol specific data. |
85 | * @param proto Protocol specific data. Output parameter. |
86 | * @param proto Protocol specific data. Output parameter. |
86 | * @param service Protocol module service. Input parameter. |
87 | * @param service Protocol module service. Input parameter. |
87 | * @param address Actual protocol device address. Input parameter. |
88 | * @param address Actual protocol device address. Input parameter. |
88 | * @returns EOK on success. |
89 | * @returns EOK on success. |
89 | * @returns ENOMEM if there is not enough memory left. |
90 | * @returns ENOMEM if there is not enough memory left. |
90 | */ |
91 | */ |
91 | int arp_proto_create( arp_proto_ref * proto, services_t service, measured_string_ref address ); |
92 | int arp_proto_create( arp_proto_ref * proto, services_t service, measured_string_ref address ); |
92 | 93 | ||
93 | /** Registers the device. |
94 | /** 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. |
95 | * 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. |
96 | * @param device_id The device identifier. Input parameter. |
96 | * @param service The device driver service. Input parameter. |
97 | * @param service The device driver service. Input parameter. |
97 | * @param protocol The protocol service. Input parameter. |
98 | * @param protocol The protocol service. Input parameter. |
98 | * @param address The actual device protocol address. |
99 | * @param address The actual device protocol address. |
99 | * @returns EOK on success. |
100 | * @returns EOK on success. |
100 | * @returns EEXIST if another device with the same device identifier and different driver service exists. |
101 | * @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. |
102 | * @returns ENOMEM if there is not enough memory left. |
102 | * @returns Other error codes as defined for the measured_strings_return() function. |
103 | * @returns Other error codes as defined for the measured_strings_return() function. |
103 | */ |
104 | */ |
104 | int arp_device_message( device_id_t device_id, services_t service, services_t protocol, measured_string_ref address ); |
105 | int arp_device_message( device_id_t device_id, services_t service, services_t protocol, measured_string_ref address ); |
105 | 106 | ||
106 | /** Returns the hardware address for the given protocol address. |
107 | /** 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. |
108 | * Sends the ARP request packet if the hardware address is not found in the cache. |
108 | * @param device_id The device identifier. Input parameter. |
109 | * @param device_id The device identifier. Input parameter. |
109 | * @param protocol The protocol service. Input parameter. |
110 | * @param protocol The protocol service. Input parameter. |
110 | * @param target The target protocol address. Input parameter. |
111 | * @param target The target protocol address. Input parameter. |
111 | * @returns The hardware address of the target. |
112 | * @returns The hardware address of the target. |
112 | * @returns NULL if the target parameter is NULL. |
113 | * @returns NULL if the target parameter is NULL. |
113 | * @returns NULL if the device is not found. |
114 | * @returns NULL if the device is not found. |
114 | * @returns NULL if the device packet is too small to send a request. |
115 | * @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. |
116 | * @returns NULL if the hardware address is not found in the cache. |
116 | */ |
117 | */ |
117 | measured_string_ref arp_translate_message( device_id_t device_id, services_t protocol, measured_string_ref target ); |
118 | measured_string_ref arp_translate_message( device_id_t device_id, services_t protocol, measured_string_ref target ); |
118 | 119 | ||
119 | /** Processes the received ARP packet. |
120 | /** 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. |
121 | * 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. |
122 | * 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. |
123 | * @param device_id The source device identifier. Input parameter. |
123 | * @param packet The received packet. Input/output parameter. |
124 | * @param packet The received packet. Input/output parameter. |
124 | * @returns EOK on success. |
125 | * @returns EOK on success. |
125 | * @returns EINVAL if the packet is too small to carry the ARP packet. |
126 | * @returns EINVAL if the packet is too small to carry the ARP packet. |
126 | * @returns EINVAL if the received address lengths differs from the registered values. |
127 | * @returns EINVAL if the received address lengths differs from the registered values. |
127 | * @returns ENOENT if the device is not found in the cache. |
128 | * @returns ENOENT if the device is not found in the cache. |
128 | * @returns ENOENT if the protocol for the device is not found in the cache. |
129 | * @returns ENOENT if the protocol for the device is not found in the cache. |
129 | * @returns ENOMEM if there is not enough memory left. |
130 | * @returns ENOMEM if there is not enough memory left. |
130 | */ |
131 | */ |
131 | 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 ); |
132 | 133 | ||
133 | /** Clears the device specific data from the cache. |
134 | /** Clears the device specific data from the cache. |
134 | * @param device_id The device identifier. Input parameter. |
135 | * @param device_id The device identifier. Input parameter. |
135 | * @returns EOK on success. |
136 | * @returns EOK on success. |
136 | * @returns ENOENT if the device is not found in the cache. |
137 | * @returns ENOENT if the device is not found in the cache. |
137 | */ |
138 | */ |
138 | int arp_clear_device_message( device_id_t device_id ); |
139 | int arp_clear_device_message( device_id_t device_id ); |
139 | 140 | ||
140 | /** Clears the device specific data. |
141 | /** Clears the device specific data. |
141 | * @param device The device specific data. |
142 | * @param device The device specific data. |
142 | */ |
143 | */ |
143 | void clear_device( arp_device_ref device ); |
144 | void clear_device( arp_device_ref device ); |
144 | 145 | ||
145 | /** Clears the whole cache. |
146 | /** Clears the whole cache. |
146 | * @returns EOK on success. |
147 | * @returns EOK on success. |
147 | */ |
148 | */ |
148 | int arp_clean_cache_message( void ); |
149 | int arp_clean_cache_message( void ); |
149 | 150 | ||
150 | /** Processes IPC messages from the registered device driver modules in an infinite loop. |
151 | /** Processes IPC messages from the registered device driver modules in an infinite loop. |
151 | * @param iid The message identifier. Input parameter. |
152 | * @param iid The message identifier. Input parameter. |
152 | * @param icall The message parameters. Input/output parameter. |
153 | * @param icall The message parameters. Input/output parameter. |
153 | */ |
154 | */ |
154 | void arp_receiver( ipc_callid_t iid, ipc_call_t * icall ); |
155 | void arp_receiver( ipc_callid_t iid, ipc_call_t * icall ); |
155 | 156 | ||
156 | DEVICE_MAP_IMPLEMENT( arp_cache, arp_device_t ) |
157 | DEVICE_MAP_IMPLEMENT( arp_cache, arp_device_t ) |
157 | 158 | ||
158 | INT_MAP_IMPLEMENT( arp_protos, arp_proto_t ) |
159 | INT_MAP_IMPLEMENT( arp_protos, arp_proto_t ) |
159 | 160 | ||
160 | GENERIC_CHAR_MAP_IMPLEMENT( arp_addr, measured_string_t ) |
161 | GENERIC_CHAR_MAP_IMPLEMENT( arp_addr, measured_string_t ) |
161 | 162 | ||
162 | int arp_initialize( void ){ |
163 | int arp_initialize( void ){ |
163 | ERROR_DECLARE; |
164 | ERROR_DECLARE; |
164 | 165 | ||
165 | rwlock_initialize( & arp_globals.lock ); |
166 | rwlock_initialize( & arp_globals.lock ); |
166 | rwlock_write_lock( & arp_globals.lock ); |
167 | rwlock_write_lock( & arp_globals.lock ); |
167 | ERROR_PROPAGATE( arp_cache_initialize( & arp_globals.cache )); |
168 | ERROR_PROPAGATE( arp_cache_initialize( & arp_globals.cache )); |
168 | rwlock_write_unlock( & arp_globals.lock ); |
169 | rwlock_write_unlock( & arp_globals.lock ); |
169 | return EOK; |
170 | return EOK; |
170 | } |
171 | } |
171 | 172 | ||
172 | int arp_proto_create( arp_proto_ref * proto, services_t service, measured_string_ref address ){ |
173 | int arp_proto_create( arp_proto_ref * proto, services_t service, measured_string_ref address ){ |
173 | ERROR_DECLARE; |
174 | ERROR_DECLARE; |
174 | 175 | ||
175 | * proto = ( arp_proto_ref ) malloc( sizeof( arp_proto_t )); |
176 | * proto = ( arp_proto_ref ) malloc( sizeof( arp_proto_t )); |
176 | if( !( * proto )) return ENOMEM; |
177 | if( !( * proto )) return ENOMEM; |
177 | ( ** proto ).service = service; |
178 | ( ** proto ).service = service; |
178 | ( ** proto ).addr = address; |
179 | ( ** proto ).addr = address; |
179 | ( ** proto ).addr_data = address->value; |
180 | ( ** proto ).addr_data = address->value; |
180 | if( ERROR_OCCURRED( arp_addr_initialize( &( ** proto).addresses ))){ |
181 | if( ERROR_OCCURRED( arp_addr_initialize( &( ** proto).addresses ))){ |
181 | free( * proto ); |
182 | free( * proto ); |
182 | return ERROR_CODE; |
183 | return ERROR_CODE; |
183 | } |
184 | } |
184 | return EOK; |
185 | return EOK; |
185 | } |
186 | } |
186 | 187 | ||
187 | int arp_device_message( device_id_t device_id, services_t service, services_t protocol, measured_string_ref address ){ |
188 | int arp_device_message( device_id_t device_id, services_t service, services_t protocol, measured_string_ref address ){ |
188 | ERROR_DECLARE; |
189 | ERROR_DECLARE; |
189 | 190 | ||
190 | arp_device_ref device; |
191 | arp_device_ref device; |
191 | aid_t message; |
192 | aid_t message; |
192 | ipc_call_t answer; |
193 | ipc_call_t answer; |
193 | ipcarg_t result; |
194 | ipcarg_t result; |
194 | arp_proto_ref proto; |
195 | arp_proto_ref proto; |
195 | int index; |
196 | int index; |
196 | 197 | ||
197 | rwlock_write_lock( & arp_globals.lock ); |
198 | rwlock_write_lock( & arp_globals.lock ); |
198 | // an existing device? |
199 | // an existing device? |
199 | device = arp_cache_find( & arp_globals.cache, device_id ); |
200 | device = arp_cache_find( & arp_globals.cache, device_id ); |
200 | if( device ){ |
201 | if( device ){ |
201 | if( device->service != service ){ |
202 | if( device->service != service ){ |
202 | printf( "\nDevice %d already exists", device->device_id ); |
203 | printf( "\nDevice %d already exists", device->device_id ); |
203 | rwlock_write_unlock( & arp_globals.lock ); |
204 | rwlock_write_unlock( & arp_globals.lock ); |
204 | return EEXIST; |
205 | return EEXIST; |
205 | } |
206 | } |
206 | proto = arp_protos_find( & device->protos, protocol ); |
207 | proto = arp_protos_find( & device->protos, protocol ); |
207 | if( proto ){ |
208 | if( proto ){ |
208 | free( proto->addr ); |
209 | free( proto->addr ); |
209 | free( proto->addr_data ); |
210 | free( proto->addr_data ); |
210 | proto->addr = address; |
211 | proto->addr = address; |
211 | proto->addr_data = address->value; |
212 | proto->addr_data = address->value; |
212 | }else{ |
213 | }else{ |
213 | if( ERROR_OCCURRED( arp_proto_create( & proto, protocol, address ))){ |
214 | if( ERROR_OCCURRED( arp_proto_create( & proto, protocol, address ))){ |
214 | rwlock_write_unlock( & arp_globals.lock ); |
215 | rwlock_write_unlock( & arp_globals.lock ); |
215 | return ERROR_CODE; |
216 | return ERROR_CODE; |
216 | } |
217 | } |
217 | index = arp_protos_add( & device->protos, proto->service, proto ); |
218 | index = arp_protos_add( & device->protos, proto->service, proto ); |
218 | if( index < 0 ){ |
219 | if( index < 0 ){ |
219 | rwlock_write_unlock( & arp_globals.lock ); |
220 | rwlock_write_unlock( & arp_globals.lock ); |
220 | free( proto ); |
221 | free( proto ); |
221 | return result; |
222 | return result; |
222 | } |
223 | } |
223 | } |
224 | } |
224 | printf( "\nCache of the existing device %d cleaned", device->device_id ); |
225 | printf( "\nCache of the existing device %d cleaned", device->device_id ); |
225 | }else{ |
226 | }else{ |
226 | index = protocol_map( service, protocol ); |
227 | index = hardware_map( service ); |
227 | if( ! index ) return ENOENT; |
228 | if( ! index ) return ENOENT; |
228 | // create a new device |
229 | // create a new device |
229 | device = ( arp_device_ref ) malloc( sizeof( arp_device_t )); |
230 | device = ( arp_device_ref ) malloc( sizeof( arp_device_t )); |
230 | if( ! device ){ |
231 | if( ! device ){ |
231 | rwlock_write_unlock( & arp_globals.lock ); |
232 | rwlock_write_unlock( & arp_globals.lock ); |
232 | return ENOMEM; |
233 | return ENOMEM; |
233 | } |
234 | } |
234 | device->hardware = index; |
235 | device->hardware = index; |
235 | device->device_id = device_id; |
236 | device->device_id = device_id; |
236 | if( ERROR_OCCURRED( arp_protos_initialize( & device->protos )) |
237 | if( ERROR_OCCURRED( arp_protos_initialize( & device->protos )) |
237 | || ERROR_OCCURRED( arp_proto_create( & proto, protocol, address ))){ |
238 | || ERROR_OCCURRED( arp_proto_create( & proto, protocol, address ))){ |
238 | rwlock_write_unlock( & arp_globals.lock ); |
239 | rwlock_write_unlock( & arp_globals.lock ); |
239 | free( device ); |
240 | free( device ); |
240 | return ERROR_CODE; |
241 | return ERROR_CODE; |
241 | } |
242 | } |
242 | index = arp_protos_add( & device->protos, proto->service, proto ); |
243 | index = arp_protos_add( & device->protos, proto->service, proto ); |
243 | if( index < 0 ){ |
244 | if( index < 0 ){ |
244 | rwlock_write_unlock( & arp_globals.lock ); |
245 | rwlock_write_unlock( & arp_globals.lock ); |
245 | arp_protos_destroy( & device->protos ); |
246 | arp_protos_destroy( & device->protos ); |
246 | free( device ); |
247 | free( device ); |
247 | return index; |
248 | return index; |
248 | } |
249 | } |
249 | device->service = service; |
250 | device->service = service; |
250 | // bind the new one |
251 | // bind the new one |
251 | device->phone = bind_service( device->service, device->device_id, SERVICE_ARP, 0, arp_receiver ); |
252 | device->phone = bind_service( device->service, device->device_id, SERVICE_ARP, 0, arp_receiver ); |
252 | if( device->phone < 0 ){ |
253 | if( device->phone < 0 ){ |
253 | rwlock_write_unlock( & arp_globals.lock ); |
254 | rwlock_write_unlock( & arp_globals.lock ); |
254 | arp_protos_destroy( & device->protos ); |
255 | arp_protos_destroy( & device->protos ); |
255 | free( device ); |
256 | free( device ); |
256 | return EREFUSED; |
257 | return EREFUSED; |
257 | } |
258 | } |
258 | // get packet dimensions |
259 | // get packet dimensions |
259 | if( ERROR_OCCURRED( async_req_1_4( device->phone, NET_NIL_PACKET_SPACE, device_id, & device->addr_len, & device->prefix, & device->content, & device->suffix ))){ |
260 | if( ERROR_OCCURRED( async_req_1_4( device->phone, NET_NIL_PACKET_SPACE, device_id, & device->addr_len, & device->prefix, & device->content, & device->suffix ))){ |
260 | rwlock_write_unlock( & arp_globals.lock ); |
261 | rwlock_write_unlock( & arp_globals.lock ); |
261 | arp_protos_destroy( & device->protos ); |
262 | arp_protos_destroy( & device->protos ); |
262 | free( device ); |
263 | free( device ); |
263 | return ERROR_CODE; |
264 | return ERROR_CODE; |
264 | } |
265 | } |
265 | // get hardware address |
266 | // get hardware address |
266 | message = async_send_1( device->phone, NET_NIL_ADDR, device->device_id, & answer ); |
267 | message = async_send_1( device->phone, NET_NIL_ADDR, device->device_id, & answer ); |
267 | if( ERROR_OCCURRED( measured_strings_return( device->phone, & device->addr, & device->addr_data, 1 ))){ |
268 | if( ERROR_OCCURRED( measured_strings_return( device->phone, & device->addr, & device->addr_data, 1 ))){ |
268 | rwlock_write_unlock( & arp_globals.lock ); |
269 | rwlock_write_unlock( & arp_globals.lock ); |
269 | arp_protos_destroy( & device->protos ); |
270 | arp_protos_destroy( & device->protos ); |
270 | free( device ); |
271 | free( device ); |
271 | async_wait_for( message, NULL ); |
272 | async_wait_for( message, NULL ); |
272 | return ERROR_CODE; |
273 | return ERROR_CODE; |
273 | } |
274 | } |
274 | async_wait_for( message, & result ); |
275 | async_wait_for( message, & result ); |
275 | if( ERROR_OCCURRED( result )){ |
276 | if( ERROR_OCCURRED( result )){ |
276 | rwlock_write_unlock( & arp_globals.lock ); |
277 | rwlock_write_unlock( & arp_globals.lock ); |
277 | free( device->addr ); |
278 | free( device->addr ); |
278 | free( device->addr_data ); |
279 | free( device->addr_data ); |
279 | arp_protos_destroy( & device->protos ); |
280 | arp_protos_destroy( & device->protos ); |
280 | free( device ); |
281 | free( device ); |
281 | return ERROR_CODE; |
282 | return ERROR_CODE; |
282 | } |
283 | } |
283 | // get broadcast address |
284 | // get broadcast address |
284 | message = async_send_1( device->phone, NET_NIL_BROADCAST_ADDR, device->device_id, & answer ); |
285 | message = async_send_1( device->phone, NET_NIL_BROADCAST_ADDR, device->device_id, & answer ); |
285 | if( ERROR_OCCURRED( measured_strings_return( device->phone, & device->broadcast_addr, & device->broadcast_data, 1 ))){ |
286 | if( ERROR_OCCURRED( measured_strings_return( device->phone, & device->broadcast_addr, & device->broadcast_data, 1 ))){ |
286 | rwlock_write_unlock( & arp_globals.lock ); |
287 | rwlock_write_unlock( & arp_globals.lock ); |
287 | free( device->addr ); |
288 | free( device->addr ); |
288 | free( device->addr_data ); |
289 | free( device->addr_data ); |
289 | arp_protos_destroy( & device->protos ); |
290 | arp_protos_destroy( & device->protos ); |
290 | free( device ); |
291 | free( device ); |
291 | async_wait_for( message, NULL ); |
292 | async_wait_for( message, NULL ); |
292 | return ERROR_CODE; |
293 | return ERROR_CODE; |
293 | } |
294 | } |
294 | async_wait_for( message, & result ); |
295 | async_wait_for( message, & result ); |
295 | // add to the cache |
296 | // add to the cache |
296 | if( ERROR_OCCURRED( result ) |
297 | if( ERROR_OCCURRED( result ) |
297 | || ERROR_OCCURRED( arp_cache_add( & arp_globals.cache, device->device_id, device ))){ |
298 | || ERROR_OCCURRED( arp_cache_add( & arp_globals.cache, device->device_id, device ))){ |
298 | rwlock_write_unlock( & arp_globals.lock ); |
299 | rwlock_write_unlock( & arp_globals.lock ); |
299 | free( device->addr ); |
300 | free( device->addr ); |
300 | free( device->addr_data ); |
301 | free( device->addr_data ); |
301 | free( device->broadcast_addr ); |
302 | free( device->broadcast_addr ); |
302 | free( device->broadcast_data ); |
303 | free( device->broadcast_data ); |
303 | arp_protos_destroy( & device->protos ); |
304 | arp_protos_destroy( & device->protos ); |
304 | free( device ); |
305 | free( device ); |
305 | return ERROR_CODE; |
306 | return ERROR_CODE; |
306 | } |
307 | } |
307 | printf( "\nNew device registered:\n\tid\t= %d\n\ttype\t= 0x%x\n\tservice\t= %d", device->device_id, device->hardware, device->service ); |
308 | printf( "\nNew device registered:\n\tid\t= %d\n\ttype\t= 0x%x\n\tservice\t= %d", device->device_id, device->hardware, device->service ); |
308 | } |
309 | } |
309 | rwlock_write_unlock( & arp_globals.lock ); |
310 | rwlock_write_unlock( & arp_globals.lock ); |
310 | return EOK; |
311 | return EOK; |
311 | } |
312 | } |
312 | 313 | ||
313 | measured_string_ref arp_translate_message( device_id_t device_id, services_t protocol, measured_string_ref target ){ |
314 | measured_string_ref arp_translate_message( device_id_t device_id, services_t protocol, measured_string_ref target ){ |
314 | arp_device_ref device; |
315 | arp_device_ref device; |
315 | arp_proto_ref proto; |
316 | arp_proto_ref proto; |
316 | measured_string_ref addr; |
317 | measured_string_ref addr; |
317 | size_t length; |
318 | size_t length; |
318 | packet_t packet; |
319 | packet_t packet; |
319 | arp_header_ref header; |
320 | arp_header_ref header; |
320 | 321 | ||
321 | if( ! target ) return NULL; |
322 | if( ! target ) return NULL; |
322 | rwlock_read_lock( & arp_globals.lock ); |
- | |
323 | device = arp_cache_find( & arp_globals.cache, device_id ); |
323 | device = arp_cache_find( & arp_globals.cache, device_id ); |
324 | if( ! device ){ |
324 | if( ! device ) return NULL; |
325 | rwlock_read_unlock( & arp_globals.lock ); |
- | |
326 | return NULL; |
- | |
327 | } |
- | |
328 | proto = arp_protos_find( & device->protos, protocol ); |
325 | proto = arp_protos_find( & device->protos, protocol ); |
329 | if(( ! proto ) || ( proto->addr->length != target->length )){ |
326 | if(( ! proto ) || ( proto->addr->length != target->length )) return NULL; |
330 | rwlock_read_unlock( & arp_globals.lock ); |
- | |
331 | return NULL; |
- | |
332 | } |
- | |
333 | addr = arp_addr_find( & proto->addresses, target->value, target->length ); |
327 | addr = arp_addr_find( & proto->addresses, target->value, target->length ); |
334 | if( addr ){ |
- | |
335 | rwlock_read_unlock( & arp_globals.lock ); |
- | |
336 | return addr; |
328 | if( addr ) return addr; |
337 | } |
- | |
338 | // ARP packet content size = header + ( address + translation ) * 2 |
329 | // ARP packet content size = header + ( address + translation ) * 2 |
339 | length = 8 + ( CONVERT_SIZE( char, uint8_t, proto->addr->length ) + CONVERT_SIZE( char, uint8_t, device->addr->length )) * 2; |
330 | length = 8 + ( CONVERT_SIZE( char, uint8_t, proto->addr->length ) + CONVERT_SIZE( char, uint8_t, device->addr->length )) * 2; |
340 | if( length > device->content ){ |
331 | if( length > device->content ) return NULL; |
341 | rwlock_read_unlock( & arp_globals.lock ); |
- | |
342 | return NULL; |
- | |
343 | } |
- | |
344 | packet = packet_get_4( arp_globals.networking_phone, device->addr_len, device->prefix, length, device->suffix ); |
332 | packet = packet_get_4( arp_globals.networking_phone, device->addr_len, device->prefix, length, device->suffix ); |
345 | if( ! packet ){ |
333 | if( ! packet ) return NULL; |
346 | rwlock_read_unlock( & arp_globals.lock ); |
- | |
347 | return NULL; |
- | |
348 | } |
- | |
349 | header = ( arp_header_ref ) packet_suffix( packet, length ); |
334 | header = ( arp_header_ref ) packet_suffix( packet, length ); |
350 | header->hardware = device->hardware; |
335 | header->hardware = htons( device->hardware ); |
351 | header->hardware_length = device->addr->length; |
336 | header->hardware_length = device->addr->length; |
352 | header->protocol = protocol_map( device->service, protocol ); |
337 | header->protocol = htons( protocol_map( device->service, protocol )); |
353 | header->protocol_length = proto->addr->length; |
338 | header->protocol_length = proto->addr->length; |
354 | header->operation = ARPOP_REQUEST; |
339 | header->operation = htons( ARPOP_REQUEST ); |
355 | length = sizeof( arp_header_t ); |
340 | length = sizeof( arp_header_t ); |
356 | memcpy((( uint8_t * ) header ) + length, device->addr->value, device->addr->length ); |
341 | memcpy((( uint8_t * ) header ) + length, device->addr->value, device->addr->length ); |
357 | length += device->addr->length; |
342 | length += device->addr->length; |
358 | memcpy((( uint8_t * ) header ) + length, proto->addr->value, proto->addr->length ); |
343 | memcpy((( uint8_t * ) header ) + length, proto->addr->value, proto->addr->length ); |
359 | length += proto->addr->length; |
344 | length += proto->addr->length; |
360 | bzero((( uint8_t * ) header ) + length, device->addr->length ); |
345 | bzero((( uint8_t * ) header ) + length, device->addr->length ); |
361 | length += device->addr->length; |
346 | length += device->addr->length; |
362 | memcpy((( uint8_t * ) header ) + length, target->value, target->length ); |
347 | memcpy((( uint8_t * ) header ) + length, target->value, target->length ); |
363 | packet_set_addr( packet, ( uint8_t * ) device->addr->value, ( uint8_t * ) device->broadcast_addr->value, CONVERT_SIZE( char, uint8_t, device->addr->length )); |
348 | packet_set_addr( packet, ( uint8_t * ) device->addr->value, ( uint8_t * ) device->broadcast_addr->value, CONVERT_SIZE( char, uint8_t, device->addr->length )); |
364 | async_msg_3( device->phone, NET_NETIF_SEND, device_id, SERVICE_ARP, packet_get_id( packet )); |
349 | async_msg_3( device->phone, NET_NIL_SEND, device_id, packet_get_id( packet ), SERVICE_ARP ); |
365 | rwlock_read_unlock( & arp_globals.lock ); |
- | |
366 | return NULL; |
350 | return NULL; |
367 | } |
351 | } |
368 | 352 | ||
369 | int arp_receive_message( device_id_t device_id, packet_t packet ){ |
353 | int arp_receive_message( device_id_t device_id, packet_t packet ){ |
370 | ERROR_DECLARE; |
354 | ERROR_DECLARE; |
371 | 355 | ||
372 | size_t length; |
356 | size_t length; |
373 | arp_header_ref header; |
357 | arp_header_ref header; |
374 | arp_device_ref device; |
358 | arp_device_ref device; |
375 | arp_proto_ref proto; |
359 | arp_proto_ref proto; |
376 | measured_string_ref hw_source; |
360 | measured_string_ref hw_source; |
377 | uint8_t * src_hw; |
361 | uint8_t * src_hw; |
378 | uint8_t * src_proto; |
362 | uint8_t * src_proto; |
379 | uint8_t * des_hw; |
363 | uint8_t * des_hw; |
380 | uint8_t * des_proto; |
364 | uint8_t * des_proto; |
381 | 365 | ||
382 | length = packet_get_data_length( packet ); |
366 | length = packet_get_data_length( packet ); |
383 | if( length <= sizeof( arp_header_t )) return EINVAL; |
367 | if( length <= sizeof( arp_header_t )) return EINVAL; |
384 | rwlock_read_lock( & arp_globals.lock ); |
- | |
385 | device = arp_cache_find( & arp_globals.cache, device_id ); |
368 | device = arp_cache_find( & arp_globals.cache, device_id ); |
386 | if( ! device ){ |
- | |
387 | rwlock_read_unlock( & arp_globals.lock ); |
- | |
388 | return ENOENT; |
369 | if( ! device ) return ENOENT; |
389 | } |
- | |
390 | header = ( arp_header_ref ) packet_get_data( packet ); |
370 | header = ( arp_header_ref ) packet_get_data( packet ); |
391 | if(( header->hardware != device->hardware ) |
371 | if(( ntohs( header->hardware ) != device->hardware ) |
392 | || ( length < sizeof( arp_header_t ) + ( header->hardware_length + header->protocol_length ) * 2 )){ |
372 | || ( length < sizeof( arp_header_t ) + ( header->hardware_length + header->protocol_length ) * 2 )){ |
393 | rwlock_read_unlock( & arp_globals.lock ); |
- | |
394 | return EINVAL; |
373 | return EINVAL; |
395 | } |
374 | } |
396 | proto = arp_protos_find( & device->protos, protocol_unmap( device->service, header->protocol )); |
375 | proto = arp_protos_find( & device->protos, protocol_unmap( device->service, ntohs( header->protocol ))); |
397 | if( ! proto ){ |
- | |
398 | rwlock_read_unlock( & arp_globals.lock ); |
- | |
399 | return ENOENT; |
376 | if( ! proto ) return ENOENT; |
400 | } |
- | |
401 | src_hw = (( uint8_t * ) header ) + sizeof( arp_header_t ); |
377 | src_hw = (( uint8_t * ) header ) + sizeof( arp_header_t ); |
402 | src_proto = src_hw + header->hardware_length; |
378 | src_proto = src_hw + header->hardware_length; |
403 | des_hw = src_proto + header->protocol_length; |
379 | des_hw = src_proto + header->protocol_length; |
404 | des_proto = des_hw + header->hardware_length; |
380 | des_proto = des_hw + header->hardware_length; |
405 | hw_source = arp_addr_find( & proto->addresses, ( char * ) src_proto, CONVERT_SIZE( uint8_t, char, header->protocol_length )); |
381 | hw_source = arp_addr_find( & proto->addresses, ( char * ) src_proto, CONVERT_SIZE( uint8_t, char, header->protocol_length )); |
406 | // exists? |
382 | // exists? |
407 | if( hw_source ){ |
383 | if( hw_source ){ |
408 | if( hw_source->length != CONVERT_SIZE( uint8_t, char, header->hardware_length )){ |
384 | if( hw_source->length != CONVERT_SIZE( uint8_t, char, header->hardware_length )){ |
409 | rwlock_read_unlock( & arp_globals.lock ); |
- | |
410 | return EINVAL; |
385 | return EINVAL; |
411 | } |
386 | } |
412 | memcpy( hw_source->value, src_hw, hw_source->length ); |
387 | memcpy( hw_source->value, src_hw, hw_source->length ); |
413 | } |
388 | } |
414 | // is my protocol address? |
389 | // is my protocol address? |
415 | if( proto->addr->length != CONVERT_SIZE( uint8_t, char, header->hardware_length )){ |
390 | if( proto->addr->length != CONVERT_SIZE( uint8_t, char, header->hardware_length )){ |
416 | rwlock_read_unlock( & arp_globals.lock ); |
- | |
417 | return EINVAL; |
391 | return EINVAL; |
418 | } |
392 | } |
419 | if( ! strncmp( proto->addr->value, ( char * ) des_proto, proto->addr->length )){ |
393 | if( ! strncmp( proto->addr->value, ( char * ) des_proto, proto->addr->length )){ |
420 | // not already upadted? |
394 | // not already upadted? |
421 | if( ! hw_source ){ |
395 | if( ! hw_source ){ |
422 | hw_source = measured_string_create_bulk(( char * ) src_hw, CONVERT_SIZE( uint8_t, char, header->hardware_length )); |
396 | hw_source = measured_string_create_bulk(( char * ) src_hw, CONVERT_SIZE( uint8_t, char, header->hardware_length )); |
423 | if( ! hw_source ){ |
397 | if( ! hw_source ) return ENOMEM; |
424 | rwlock_read_unlock( & arp_globals.lock ); |
- | |
425 | return ENOMEM; |
- | |
426 | } |
- | |
427 | if( ERROR_OCCURRED( arp_addr_add( & proto->addresses, ( char * ) src_proto, CONVERT_SIZE( uint8_t, char, header->protocol_length ), hw_source ))){ |
398 | ERROR_PROPAGATE( arp_addr_add( & proto->addresses, ( char * ) src_proto, CONVERT_SIZE( uint8_t, char, header->protocol_length ), hw_source )); |
428 | rwlock_read_unlock( & arp_globals.lock ); |
- | |
429 | return ERROR_CODE; |
- | |
430 | } |
- | |
431 | } |
399 | } |
432 | if( header->operation == ARPOP_REQUEST ){ |
400 | if( ntohs( header->operation ) == ARPOP_REQUEST ){ |
433 | header->operation = ARPOP_REPLY; |
401 | header->operation = htons( ARPOP_REPLY ); |
434 | memcpy( des_proto, src_proto, header->protocol_length ); |
402 | memcpy( des_proto, src_proto, header->protocol_length ); |
435 | memcpy( src_proto, proto->addr->value, header->protocol_length ); |
403 | memcpy( src_proto, proto->addr->value, header->protocol_length ); |
436 | memcpy( src_hw, des_hw, header->hardware_length ); |
404 | memcpy( src_hw, des_hw, header->hardware_length ); |
437 | memcpy( des_hw, hw_source->value, header->hardware_length ); |
405 | memcpy( des_hw, hw_source->value, header->hardware_length ); |
438 | packet_set_addr( packet, src_hw, des_hw, header->hardware_length ); |
406 | packet_set_addr( packet, src_hw, des_hw, header->hardware_length ); |
439 | async_msg_3( device->phone, NET_NETIF_SEND, device_id, SERVICE_ARP, packet_get_id( packet )); |
407 | async_msg_3( device->phone, NET_NIL_SEND, device_id, packet_get_id( packet ), SERVICE_ARP ); |
440 | rwlock_read_unlock( & arp_globals.lock ); |
- | |
441 | }else{ |
408 | }else{ |
442 | rwlock_read_unlock( & arp_globals.lock ); |
- | |
443 | pq_release( arp_globals.networking_phone, packet_get_id( packet )); |
409 | pq_release( arp_globals.networking_phone, packet_get_id( packet )); |
444 | } |
410 | } |
445 | } |
411 | } |
446 | return EOK; |
412 | return EOK; |
447 | } |
413 | } |
448 | 414 | ||
449 | int arp_clear_device_message( device_id_t device_id ){ |
415 | int arp_clear_device_message( device_id_t device_id ){ |
450 | arp_device_ref device; |
416 | arp_device_ref device; |
451 | 417 | ||
452 | rwlock_write_lock( & arp_globals.lock ); |
418 | rwlock_write_lock( & arp_globals.lock ); |
453 | device = arp_cache_find( & arp_globals.cache, device_id ); |
419 | device = arp_cache_find( & arp_globals.cache, device_id ); |
454 | if( ! device ){ |
420 | if( ! device ){ |
455 | rwlock_write_unlock( & arp_globals.lock ); |
421 | rwlock_write_unlock( & arp_globals.lock ); |
456 | return ENOENT; |
422 | return ENOENT; |
457 | } |
423 | } |
458 | clear_device( device ); |
424 | clear_device( device ); |
459 | printf( "\nDevice %d cleared", device_id ); |
425 | printf( "\nDevice %d cleared", device_id ); |
460 | rwlock_write_unlock( & arp_globals.lock ); |
426 | rwlock_write_unlock( & arp_globals.lock ); |
461 | return EOK; |
427 | return EOK; |
462 | } |
428 | } |
463 | 429 | ||
464 | void clear_device( arp_device_ref device ){ |
430 | void clear_device( arp_device_ref device ){ |
465 | int count; |
431 | int count; |
466 | arp_proto_ref proto; |
432 | arp_proto_ref proto; |
467 | 433 | ||
468 | for( count = arp_protos_count( & device->protos ) - 1; count >= 0; -- count ){ |
434 | for( count = arp_protos_count( & device->protos ) - 1; count >= 0; -- count ){ |
469 | proto = arp_protos_get_index( & device->protos, count ); |
435 | proto = arp_protos_get_index( & device->protos, count ); |
470 | if( proto ){ |
436 | if( proto ){ |
471 | if( proto->addr ) free( proto->addr ); |
437 | if( proto->addr ) free( proto->addr ); |
472 | if( proto->addr_data ) free( proto->addr_data ); |
438 | if( proto->addr_data ) free( proto->addr_data ); |
473 | arp_addr_destroy( & proto->addresses ); |
439 | arp_addr_destroy( & proto->addresses ); |
474 | } |
440 | } |
475 | } |
441 | } |
476 | arp_protos_clear( & device->protos ); |
442 | arp_protos_clear( & device->protos ); |
477 | } |
443 | } |
478 | 444 | ||
479 | int arp_clean_cache_message( void ){ |
445 | int arp_clean_cache_message( void ){ |
480 | int count; |
446 | int count; |
481 | arp_device_ref device; |
447 | arp_device_ref device; |
482 | 448 | ||
483 | rwlock_write_lock( & arp_globals.lock ); |
449 | rwlock_write_lock( & arp_globals.lock ); |
484 | for( count = arp_cache_count( & arp_globals.cache ) - 1; count >= 0; -- count ){ |
450 | for( count = arp_cache_count( & arp_globals.cache ) - 1; count >= 0; -- count ){ |
485 | device = arp_cache_get_index( & arp_globals.cache, count ); |
451 | device = arp_cache_get_index( & arp_globals.cache, count ); |
486 | if( device ){ |
452 | if( device ){ |
487 | clear_device( device ); |
453 | clear_device( device ); |
488 | if( device->addr_data ) free( device->addr_data ); |
454 | if( device->addr_data ) free( device->addr_data ); |
489 | if( device->broadcast_data ) free( device->broadcast_data ); |
455 | if( device->broadcast_data ) free( device->broadcast_data ); |
490 | } |
456 | } |
491 | } |
457 | } |
492 | arp_cache_clear( & arp_globals.cache ); |
458 | arp_cache_clear( & arp_globals.cache ); |
493 | rwlock_write_unlock( & arp_globals.lock ); |
459 | rwlock_write_unlock( & arp_globals.lock ); |
494 | printf( "\nCache cleaned" ); |
460 | printf( "\nCache cleaned" ); |
495 | return EOK; |
461 | return EOK; |
496 | } |
462 | } |
497 | 463 | ||
498 | int arp_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){ |
464 | int arp_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){ |
499 | ERROR_DECLARE; |
465 | ERROR_DECLARE; |
500 | 466 | ||
501 | measured_string_ref address; |
467 | measured_string_ref address; |
502 | measured_string_ref translation; |
468 | measured_string_ref translation; |
503 | char * data; |
469 | char * data; |
504 | 470 | ||
- | 471 | // printf( "\nmessage %d - %d", IPC_GET_METHOD( * call ), NET_ARP_FIRST ); |
|
505 | * answer_count = 0; |
472 | * answer_count = 0; |
506 | switch( IPC_GET_METHOD( * call )){ |
473 | switch( IPC_GET_METHOD( * call )){ |
507 | case IPC_M_PHONE_HUNGUP: |
474 | case IPC_M_PHONE_HUNGUP: |
508 | return EOK; |
475 | return EOK; |
509 | case NET_ARP_DEVICE: |
476 | case NET_ARP_DEVICE: |
510 | ERROR_PROPAGATE( measured_strings_receive( & address, & data, 1 )); |
477 | ERROR_PROPAGATE( measured_strings_receive( & address, & data, 1 )); |
511 | if( ERROR_OCCURRED( arp_device_message( IPC_GET_DEVICE( call ), IPC_GET_SERVICE( call ), IPC_GET_PROTO( call ), address ))){ |
478 | if( ERROR_OCCURRED( arp_device_message( IPC_GET_DEVICE( call ), IPC_GET_SERVICE( call ), IPC_GET_PROTO( call ), address ))){ |
512 | free( address ); |
479 | free( address ); |
513 | free( data ); |
480 | free( data ); |
514 | } |
481 | } |
515 | return ERROR_CODE; |
482 | return ERROR_CODE; |
516 | case NET_ARP_TRANSLATE: |
483 | case NET_ARP_TRANSLATE: |
517 | ERROR_PROPAGATE( measured_strings_receive( & address, & data, 1 )); |
484 | ERROR_PROPAGATE( measured_strings_receive( & address, & data, 1 )); |
- | 485 | rwlock_read_lock( & arp_globals.lock ); |
|
518 | translation = arp_translate_message( IPC_GET_DEVICE( call ), IPC_GET_PROTO( call ), address ); |
486 | translation = arp_translate_message( IPC_GET_DEVICE( call ), IPC_GET_PROTO( call ), address ); |
519 | free( address ); |
487 | free( address ); |
520 | free( data ); |
488 | free( data ); |
521 | if( ! translation ) return ENOENT; |
489 | if( ! translation ){ |
- | 490 | rwlock_read_unlock( & arp_globals.lock ); |
|
- | 491 | return ENOENT; |
|
- | 492 | } |
|
522 | return measured_strings_reply( translation, 1 ); |
493 | ERROR_CODE = measured_strings_reply( translation, 1 ); |
- | 494 | rwlock_read_unlock( & arp_globals.lock ); |
|
- | 495 | return ERROR_CODE; |
|
523 | case NET_ARP_CLEAR_DEVICE: |
496 | case NET_ARP_CLEAR_DEVICE: |
524 | return arp_clear_device_message( IPC_GET_DEVICE( call )); |
497 | return arp_clear_device_message( IPC_GET_DEVICE( call )); |
525 | case NET_ARP_CLEAN_CACHE: |
498 | case NET_ARP_CLEAN_CACHE: |
526 | return arp_clean_cache_message(); |
499 | return arp_clean_cache_message(); |
527 | } |
500 | } |
528 | return ENOTSUP; |
501 | return ENOTSUP; |
529 | } |
502 | } |
530 | 503 | ||
531 | void arp_receiver( ipc_callid_t iid, ipc_call_t * icall ){ |
504 | void arp_receiver( ipc_callid_t iid, ipc_call_t * icall ){ |
532 | ERROR_DECLARE; |
505 | ERROR_DECLARE; |
533 | 506 | ||
534 | packet_t packet; |
507 | packet_t packet; |
535 | 508 | ||
536 | while( true ){ |
509 | while( true ){ |
537 | switch( IPC_GET_METHOD( * icall )){ |
510 | switch( IPC_GET_METHOD( * icall )){ |
538 | case NET_IL_DEVICE_STATE: |
511 | case NET_IL_DEVICE_STATE: |
539 | // do nothing - keep the cache |
512 | // do nothing - keep the cache |
540 | ipc_answer_0( iid, EOK ); |
513 | ipc_answer_0( iid, EOK ); |
541 | break; |
514 | break; |
542 | case NET_IL_RECEIVED: |
515 | case NET_IL_RECEIVED: |
543 | if( ! ERROR_OCCURRED( packet_translate( arp_globals.networking_phone, & packet, IPC_GET_PACKET( icall )))){ |
516 | if( ! ERROR_OCCURRED( packet_translate( arp_globals.networking_phone, & packet, IPC_GET_PACKET( icall )))){ |
- | 517 | rwlock_read_lock( & arp_globals.lock ); |
|
544 | ERROR_CODE = arp_receive_message( IPC_GET_DEVICE( icall ), packet ); |
518 | ERROR_CODE = arp_receive_message( IPC_GET_DEVICE( icall ), packet ); |
- | 519 | rwlock_read_unlock( & arp_globals.lock ); |
|
545 | } |
520 | } |
546 | ipc_answer_0( iid, ERROR_CODE ); |
521 | ipc_answer_0( iid, ERROR_CODE ); |
547 | break; |
522 | break; |
548 | default: |
523 | default: |
549 | ipc_answer_0( iid, ENOTSUP ); |
524 | ipc_answer_0( iid, ENOTSUP ); |
550 | } |
525 | } |
551 | iid = async_get_call( icall ); |
526 | iid = async_get_call( icall ); |
552 | } |
527 | } |
553 | } |
528 | } |
554 | 529 | ||
555 | /** @} |
530 | /** @} |
556 | */ |
531 | */ |
557 | 532 |