Rev 4707 | Rev 4719 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
4707 | mejdrech | 1 | /* |
2 | * Copyright (c) 2008 Lukas Mejdrech |
||
3 | * All rights reserved. |
||
4 | * |
||
5 | * Redistribution and use in source and binary forms, with or without |
||
6 | * modification, are permitted provided that the following conditions |
||
7 | * are met: |
||
8 | * |
||
9 | * - Redistributions of source code must retain the above copyright |
||
10 | * notice, this list of conditions and the following disclaimer. |
||
11 | * - Redistributions in binary form must reproduce the above copyright |
||
12 | * notice, this list of conditions and the following disclaimer in the |
||
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 |
||
15 | * derived from this software without specific prior written permission. |
||
16 | * |
||
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 |
||
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
||
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
||
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
||
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 |
||
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 |
||
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||
27 | */ |
||
28 | |||
29 | /** @addtogroup icmp |
||
30 | * @{ |
||
31 | */ |
||
32 | |||
33 | /** @file |
||
34 | * ICMP module. |
||
35 | */ |
||
36 | |||
37 | #ifndef __NET_ICMP_H__ |
||
38 | #define __NET_ICMP_H__ |
||
39 | |||
4715 | mejdrech | 40 | #include <atomic.h> |
4707 | mejdrech | 41 | #include <fibril_sync.h> |
42 | |||
4715 | mejdrech | 43 | #include "../../include/icmp_codes.h" |
4707 | mejdrech | 44 | |
4715 | mejdrech | 45 | #include "../../structures/int_map.h" |
46 | #include "../../structures/generic_field.h" |
||
47 | |||
48 | #include "icmp_header.h" |
||
49 | |||
4707 | mejdrech | 50 | /** Type definition of the ICMP global data. |
51 | * @see icmp_globals |
||
52 | */ |
||
53 | typedef struct icmp_globals icmp_globals_t; |
||
54 | |||
4715 | mejdrech | 55 | /** Timeout locks map. |
56 | * Maps message identifiers to timeout implementing atomic variables. |
||
57 | * Sending fibril waits for its associated atomic variable to be set nonzero. |
||
58 | * Receiving fibril sets the associated atomic variable with the return value. |
||
59 | */ |
||
60 | INT_MAP_DECLARE( time_locks, atomic_t ); |
||
61 | |||
62 | /** Echo specific data field. |
||
63 | * Used for bundle modules. |
||
64 | * 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. |
||
66 | */ |
||
67 | GENERIC_FIELD_DECLARE( echo_data, icmp_echo_t ); |
||
68 | |||
4707 | mejdrech | 69 | /** ICMP global data. |
70 | */ |
||
71 | struct icmp_globals{ |
||
72 | /** IP module phone. |
||
73 | */ |
||
74 | int ip_phone; |
||
75 | /** Reserved packet prefix length. |
||
76 | */ |
||
77 | size_t prefix; |
||
78 | /** Maximal packet content length. |
||
79 | */ |
||
80 | size_t content; |
||
81 | /** Reserved packet suffix length. |
||
82 | */ |
||
83 | size_t suffix; |
||
84 | /** Packet address length. |
||
85 | */ |
||
86 | size_t addr_len; |
||
87 | /** Networking module phone. |
||
88 | */ |
||
89 | int net_phone; |
||
4715 | mejdrech | 90 | /** The last used identifier number. |
91 | */ |
||
92 | icmp_param_t last_used_id; |
||
93 | /** The budled modules assigned echo specific data. |
||
94 | */ |
||
95 | echo_data_t echo_data; |
||
96 | /** Echo timeout locks. |
||
97 | */ |
||
98 | time_locks_t time_locks; |
||
4707 | mejdrech | 99 | /** Safety lock. |
100 | */ |
||
101 | fibril_rwlock_t lock; |
||
102 | }; |
||
103 | |||
104 | #endif |
||
105 | |||
106 | /** @} |
||
107 | */ |
||
108 |