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| Rev | Author | Line No. | Line |
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| 4707 | mejdrech | 1 | /* |
| 2 | * Copyright (c) 2008 Lukas Mejdrech |
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| 3 | * All rights reserved. |
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| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * |
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| 9 | * - Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * - Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * - The name of the author may not be used to endorse or promote products |
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| 15 | * derived from this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | */ |
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| 28 | |||
| 29 | /** @addtogroup icmp |
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| 30 | * @{ |
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| 31 | */ |
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| 32 | |||
| 33 | /** @file |
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| 34 | * ICMP module. |
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| 35 | */ |
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| 36 | |||
| 37 | #ifndef __NET_ICMP_H__ |
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| 38 | #define __NET_ICMP_H__ |
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| 39 | |||
| 40 | #include <fibril_sync.h> |
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| 41 | |||
| 4715 | mejdrech | 42 | #include "../../include/icmp_codes.h" |
| 4707 | mejdrech | 43 | |
| 4715 | mejdrech | 44 | #include "../../structures/int_map.h" |
| 45 | |||
| 46 | #include "icmp_header.h" |
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| 47 | |||
| 4720 | mejdrech | 48 | /** Type definition of the ICMP reply data. |
| 49 | * @see icmp_reply |
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| 50 | */ |
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| 51 | typedef struct icmp_reply icmp_reply_t; |
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| 52 | |||
| 53 | /** Type definition of the ICMP reply data pointer. |
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| 54 | * @see icmp_reply |
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| 55 | */ |
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| 56 | typedef icmp_reply_t * icmp_reply_ref; |
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| 57 | |||
| 4707 | mejdrech | 58 | /** Type definition of the ICMP global data. |
| 59 | * @see icmp_globals |
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| 60 | */ |
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| 61 | typedef struct icmp_globals icmp_globals_t; |
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| 62 | |||
| 4720 | mejdrech | 63 | /** Pending replies map. |
| 64 | * Maps message identifiers to the pending replies. |
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| 65 | * Sending fibril waits for its associated reply event. |
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| 66 | * Receiving fibril sets the associated reply with the return value and signals the event. |
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| 4715 | mejdrech | 67 | */ |
| 4720 | mejdrech | 68 | INT_MAP_DECLARE( icmp_replies, icmp_reply_t ); |
| 4715 | mejdrech | 69 | |
| 4721 | mejdrech | 70 | /** Echo specific data map. |
| 71 | * The bundle module gets an identifier of the assigned echo specific data while connecting. |
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| 72 | * The identifier is used in the future semi-remote calls instead of the ICMP phone. |
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| 4715 | mejdrech | 73 | */ |
| 4721 | mejdrech | 74 | INT_MAP_DECLARE( icmp_echo_data, icmp_echo_t ); |
| 4715 | mejdrech | 75 | |
| 4720 | mejdrech | 76 | /** ICMP reply data. |
| 77 | */ |
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| 78 | struct icmp_reply{ |
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| 79 | /** Reply result. |
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| 80 | */ |
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| 81 | int result; |
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| 82 | /** Safety lock. |
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| 83 | */ |
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| 84 | fibril_mutex_t mutex; |
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| 85 | /** Received or timeouted reply signaling. |
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| 86 | */ |
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| 87 | fibril_condvar_t condvar; |
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| 88 | }; |
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| 89 | |||
| 4707 | mejdrech | 90 | /** ICMP global data. |
| 91 | */ |
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| 92 | struct icmp_globals{ |
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| 93 | /** IP module phone. |
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| 94 | */ |
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| 95 | int ip_phone; |
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| 96 | /** Reserved packet prefix length. |
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| 97 | */ |
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| 98 | size_t prefix; |
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| 99 | /** Maximal packet content length. |
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| 100 | */ |
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| 101 | size_t content; |
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| 102 | /** Reserved packet suffix length. |
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| 103 | */ |
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| 104 | size_t suffix; |
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| 105 | /** Packet address length. |
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| 106 | */ |
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| 107 | size_t addr_len; |
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| 108 | /** Networking module phone. |
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| 109 | */ |
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| 110 | int net_phone; |
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| 4720 | mejdrech | 111 | /** Indicates whether ICMP error reporting is enabled. |
| 112 | */ |
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| 113 | int error_reporting; |
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| 114 | /** Indicates whether ICMP echo replying (ping) is enabled. |
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| 115 | */ |
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| 116 | int echo_replying; |
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| 4715 | mejdrech | 117 | /** The last used identifier number. |
| 118 | */ |
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| 119 | icmp_param_t last_used_id; |
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| 120 | /** The budled modules assigned echo specific data. |
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| 121 | */ |
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| 4720 | mejdrech | 122 | icmp_echo_data_t echo_data; |
| 4715 | mejdrech | 123 | /** Echo timeout locks. |
| 124 | */ |
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| 4720 | mejdrech | 125 | icmp_replies_t replies; |
| 4707 | mejdrech | 126 | /** Safety lock. |
| 127 | */ |
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| 128 | fibril_rwlock_t lock; |
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| 129 | }; |
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| 130 | |||
| 131 | #endif |
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| 132 | |||
| 133 | /** @} |
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| 134 | */ |
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| 135 |