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1 | /* |
1 | /* |
2 | * Copyright (c) 2008 Lukas Mejdrech |
2 | * Copyright (c) 2008 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 icmp |
29 | /** @addtogroup icmp |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | 32 | ||
33 | /** @file |
33 | /** @file |
34 | * ICMP module. |
34 | * ICMP module. |
35 | */ |
35 | */ |
36 | 36 | ||
37 | #ifndef __NET_ICMP_H__ |
37 | #ifndef __NET_ICMP_H__ |
38 | #define __NET_ICMP_H__ |
38 | #define __NET_ICMP_H__ |
39 | 39 | ||
40 | #include <atomic.h> |
- | |
41 | #include <fibril_sync.h> |
40 | #include <fibril_sync.h> |
42 | 41 | ||
43 | #include "../../include/icmp_codes.h" |
42 | #include "../../include/icmp_codes.h" |
44 | 43 | ||
45 | #include "../../structures/int_map.h" |
44 | #include "../../structures/int_map.h" |
46 | #include "../../structures/generic_field.h" |
45 | #include "../../structures/generic_field.h" |
47 | 46 | ||
48 | #include "icmp_header.h" |
47 | #include "icmp_header.h" |
49 | 48 | ||
- | 49 | /** Type definition of the ICMP reply data. |
|
- | 50 | * @see icmp_reply |
|
- | 51 | */ |
|
- | 52 | typedef struct icmp_reply icmp_reply_t; |
|
- | 53 | ||
- | 54 | /** Type definition of the ICMP reply data pointer. |
|
- | 55 | * @see icmp_reply |
|
- | 56 | */ |
|
- | 57 | typedef icmp_reply_t * icmp_reply_ref; |
|
- | 58 | ||
50 | /** Type definition of the ICMP global data. |
59 | /** Type definition of the ICMP global data. |
51 | * @see icmp_globals |
60 | * @see icmp_globals |
52 | */ |
61 | */ |
53 | typedef struct icmp_globals icmp_globals_t; |
62 | typedef struct icmp_globals icmp_globals_t; |
54 | 63 | ||
55 | /** Timeout locks map. |
64 | /** Pending replies map. |
56 | * Maps message identifiers to timeout implementing atomic variables. |
65 | * Maps message identifiers to the pending replies. |
57 | * Sending fibril waits for its associated atomic variable to be set nonzero. |
66 | * Sending fibril waits for its associated reply event. |
58 | * Receiving fibril sets the associated atomic variable with the return value. |
67 | * Receiving fibril sets the associated reply with the return value and signals the event. |
59 | */ |
68 | */ |
60 | INT_MAP_DECLARE( time_locks, atomic_t ); |
69 | INT_MAP_DECLARE( icmp_replies, icmp_reply_t ); |
61 | 70 | ||
62 | /** Echo specific data field. |
71 | /** Echo specific data field. |
63 | * Used for bundle modules. |
72 | * Used for bundle modules. |
64 | * The bundle module gets an index to the assigned echo specific data while connecting. |
73 | * The bundle module gets an index to the assigned echo specific data while connecting. |
65 | * The index is used in the future semi-remote calls instead of the ICMP phone. |
74 | * The index is used in the future semi-remote calls instead of the ICMP phone. |
66 | */ |
75 | */ |
67 | GENERIC_FIELD_DECLARE( echo_data, icmp_echo_t ); |
76 | GENERIC_FIELD_DECLARE( icmp_echo_data, icmp_echo_t ); |
- | 77 | ||
- | 78 | /** ICMP reply data. |
|
- | 79 | */ |
|
- | 80 | struct icmp_reply{ |
|
- | 81 | /** Reply result. |
|
- | 82 | */ |
|
- | 83 | int result; |
|
- | 84 | /** Safety lock. |
|
- | 85 | */ |
|
- | 86 | fibril_mutex_t mutex; |
|
- | 87 | /** Received or timeouted reply signaling. |
|
- | 88 | */ |
|
- | 89 | fibril_condvar_t condvar; |
|
- | 90 | }; |
|
68 | 91 | ||
69 | /** ICMP global data. |
92 | /** ICMP global data. |
70 | */ |
93 | */ |
71 | struct icmp_globals{ |
94 | struct icmp_globals{ |
72 | /** IP module phone. |
95 | /** IP module phone. |
73 | */ |
96 | */ |
74 | int ip_phone; |
97 | int ip_phone; |
75 | /** Reserved packet prefix length. |
98 | /** Reserved packet prefix length. |
76 | */ |
99 | */ |
77 | size_t prefix; |
100 | size_t prefix; |
78 | /** Maximal packet content length. |
101 | /** Maximal packet content length. |
79 | */ |
102 | */ |
80 | size_t content; |
103 | size_t content; |
81 | /** Reserved packet suffix length. |
104 | /** Reserved packet suffix length. |
82 | */ |
105 | */ |
83 | size_t suffix; |
106 | size_t suffix; |
84 | /** Packet address length. |
107 | /** Packet address length. |
85 | */ |
108 | */ |
86 | size_t addr_len; |
109 | size_t addr_len; |
87 | /** Networking module phone. |
110 | /** Networking module phone. |
88 | */ |
111 | */ |
89 | int net_phone; |
112 | int net_phone; |
- | 113 | /** Indicates whether ICMP error reporting is enabled. |
|
- | 114 | */ |
|
- | 115 | int error_reporting; |
|
- | 116 | /** Indicates whether ICMP echo replying (ping) is enabled. |
|
- | 117 | */ |
|
- | 118 | int echo_replying; |
|
90 | /** The last used identifier number. |
119 | /** The last used identifier number. |
91 | */ |
120 | */ |
92 | icmp_param_t last_used_id; |
121 | icmp_param_t last_used_id; |
93 | /** The budled modules assigned echo specific data. |
122 | /** The budled modules assigned echo specific data. |
94 | */ |
123 | */ |
95 | echo_data_t echo_data; |
124 | icmp_echo_data_t echo_data; |
96 | /** Echo timeout locks. |
125 | /** Echo timeout locks. |
97 | */ |
126 | */ |
98 | time_locks_t time_locks; |
127 | icmp_replies_t replies; |
99 | /** Safety lock. |
128 | /** Safety lock. |
100 | */ |
129 | */ |
101 | fibril_rwlock_t lock; |
130 | fibril_rwlock_t lock; |
102 | }; |
131 | }; |
103 | 132 | ||
104 | #endif |
133 | #endif |
105 | 134 | ||
106 | /** @} |
135 | /** @} |
107 | */ |
136 | */ |
108 | 137 | ||
109 | 138 |