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 | |||
| 40 | #include <fibril_sync.h> |
||
| 41 | |||
| 4715 | mejdrech | 42 | #include "../../include/icmp_codes.h" |
| 4707 | mejdrech | 43 | |
| 4715 | mejdrech | 44 | #include "../../structures/int_map.h" |
| 45 | #include "../../structures/generic_field.h" |
||
| 46 | |||
| 47 | #include "icmp_header.h" |
||
| 48 | |||
| 4720 | mejdrech | 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 | |||
| 4707 | mejdrech | 59 | /** Type definition of the ICMP global data. |
| 60 | * @see icmp_globals |
||
| 61 | */ |
||
| 62 | typedef struct icmp_globals icmp_globals_t; |
||
| 63 | |||
| 4720 | mejdrech | 64 | /** Pending replies map. |
| 65 | * Maps message identifiers to the pending replies. |
||
| 66 | * Sending fibril waits for its associated reply event. |
||
| 67 | * Receiving fibril sets the associated reply with the return value and signals the event. |
||
| 4715 | mejdrech | 68 | */ |
| 4720 | mejdrech | 69 | INT_MAP_DECLARE( icmp_replies, icmp_reply_t ); |
| 4715 | mejdrech | 70 | |
| 71 | /** Echo specific data field. |
||
| 72 | * Used for bundle modules. |
||
| 73 | * The bundle module gets an index to the assigned echo specific data while connecting. |
||
| 74 | * The index is used in the future semi-remote calls instead of the ICMP phone. |
||
| 75 | */ |
||
| 4720 | mejdrech | 76 | GENERIC_FIELD_DECLARE( icmp_echo_data, icmp_echo_t ); |
| 4715 | mejdrech | 77 | |
| 4720 | mejdrech | 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 | }; |
||
| 91 | |||
| 4707 | mejdrech | 92 | /** ICMP global data. |
| 93 | */ |
||
| 94 | struct icmp_globals{ |
||
| 95 | /** IP module phone. |
||
| 96 | */ |
||
| 97 | int ip_phone; |
||
| 98 | /** Reserved packet prefix length. |
||
| 99 | */ |
||
| 100 | size_t prefix; |
||
| 101 | /** Maximal packet content length. |
||
| 102 | */ |
||
| 103 | size_t content; |
||
| 104 | /** Reserved packet suffix length. |
||
| 105 | */ |
||
| 106 | size_t suffix; |
||
| 107 | /** Packet address length. |
||
| 108 | */ |
||
| 109 | size_t addr_len; |
||
| 110 | /** Networking module phone. |
||
| 111 | */ |
||
| 112 | int net_phone; |
||
| 4720 | mejdrech | 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; |
||
| 4715 | mejdrech | 119 | /** The last used identifier number. |
| 120 | */ |
||
| 121 | icmp_param_t last_used_id; |
||
| 122 | /** The budled modules assigned echo specific data. |
||
| 123 | */ |
||
| 4720 | mejdrech | 124 | icmp_echo_data_t echo_data; |
| 4715 | mejdrech | 125 | /** Echo timeout locks. |
| 126 | */ |
||
| 4720 | mejdrech | 127 | icmp_replies_t replies; |
| 4707 | mejdrech | 128 | /** Safety lock. |
| 129 | */ |
||
| 130 | fibril_rwlock_t lock; |
||
| 131 | }; |
||
| 132 | |||
| 133 | #endif |
||
| 134 | |||
| 135 | /** @} |
||
| 136 | */ |
||
| 137 |