source: mainline/uspace/lib/c/include/ipc/icmp.h@ fdb9982c

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since fdb9982c was f1938c6, checked in by Martin Decky <martin@…>, 14 years ago

streamline ICMP implementation

  • generate ICMP identification based on fibril counter
  • use fibril-local ICMP sequence numbers
  • use hash table (instead of char map) for ICMP replies
  • simplify locking
  • simplify ICMP communication
  • Property mode set to 100644
File size: 3.6 KB
RevLine 
[21580dd]1/*
2 * Copyright (c) 2009 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
[753bca3]29/** @addtogroup libc
30 * @{
[21580dd]31 */
32
33/** @file
[753bca3]34 * ICMP module messages.
[f1938c6]35 * @see icmp_remote.h
[21580dd]36 */
37
[753bca3]38#ifndef LIBC_ICMP_MESSAGES_
39#define LIBC_ICMP_MESSAGES_
[21580dd]40
41#include <ipc/ipc.h>
[2aa15d4]42#include <ipc/net.h>
[21580dd]43#include <sys/types.h>
[753bca3]44#include <sys/time.h>
[21580dd]45
[753bca3]46#include <net/icmp_codes.h>
[21580dd]47
[753bca3]48/** ICMP module messages. */
49typedef enum {
[f1938c6]50 /** Send echo request. @see icmp_echo() */
[21580dd]51 NET_ICMP_ECHO = NET_ICMP_FIRST,
[753bca3]52
53 /**
[f1938c6]54 * Send destination unreachable error message.
[753bca3]55 * @see icmp_destination_unreachable_msg()
[21580dd]56 */
57 NET_ICMP_DEST_UNREACH,
[753bca3]58
59 /**
[f1938c6]60 * Send source quench error message.
[753bca3]61 * @see icmp_source_quench_msg()
[21580dd]62 */
63 NET_ICMP_SOURCE_QUENCH,
[753bca3]64
65 /**
[f1938c6]66 * Send time exceeded error message.
[753bca3]67 * @see icmp_time_exceeded_msg()
[21580dd]68 */
69 NET_ICMP_TIME_EXCEEDED,
[753bca3]70
71 /**
[f1938c6]72 * Send parameter problem error message.
[753bca3]73 * @see icmp_parameter_problem_msg()
[21580dd]74 */
[f1938c6]75 NET_ICMP_PARAMETERPROB
76} icmp_messages_t;
[21580dd]77
[753bca3]78/** @name ICMP specific message parameters definitions */
[21580dd]79/*@{*/
80
[774e6d1a]81/** Return the ICMP code message parameter.
82 *
83 * @param[in] call Message call structure.
[753bca3]84 *
[21580dd]85 */
[774e6d1a]86#define ICMP_GET_CODE(call) ((icmp_code_t) IPC_GET_ARG1(call))
[21580dd]87
[774e6d1a]88/** Return the ICMP link MTU message parameter.
89 *
90 * @param[in] call Message call structure.
[753bca3]91 *
[21580dd]92 */
[774e6d1a]93#define ICMP_GET_MTU(call) ((icmp_param_t) IPC_GET_ARG3(call))
[21580dd]94
[774e6d1a]95/** Return the pointer message parameter.
96 *
97 * @param[in] call Message call structure.
[753bca3]98 *
[21580dd]99 */
[774e6d1a]100#define ICMP_GET_POINTER(call) ((icmp_param_t) IPC_GET_ARG3(call))
[21580dd]101
[774e6d1a]102/** Return the size message parameter.
103 *
104 * @param[in] call Message call structure.
[753bca3]105 *
[21580dd]106 */
[774e6d1a]107#define ICMP_GET_SIZE(call) ((size_t) IPC_GET_ARG1(call))
[21580dd]108
[774e6d1a]109/** Return the timeout message parameter.
110 *
111 * @param[in] call Message call structure.
[753bca3]112 *
[21580dd]113 */
[774e6d1a]114#define ICMP_GET_TIMEOUT(call) ((suseconds_t) IPC_GET_ARG2(call))
[21580dd]115
[774e6d1a]116/** Return the time to live message parameter.
117 *
118 * @param[in] call Message call structure.
[753bca3]119 *
[21580dd]120 */
[774e6d1a]121#define ICMP_GET_TTL(call) ((ip_ttl_t) IPC_GET_ARG3(call))
[21580dd]122
[774e6d1a]123/** Return the type of service message parameter.
124 *
125 * @param[in] call Message call structure.
[753bca3]126 *
[21580dd]127 */
[774e6d1a]128#define ICMP_GET_TOS(call) ((ip_tos_t) IPC_GET_ARG4(call))
[21580dd]129
[774e6d1a]130/** Return the dont fragment message parameter.
[753bca3]131 *
[774e6d1a]132 * @param[in] call Message call structure.
[21580dd]133 */
[774e6d1a]134#define ICMP_GET_DONT_FRAGMENT(call) ((int) IPC_GET_ARG5(call))
[21580dd]135
136/*@}*/
137
138#endif
139
140/** @}
141 */
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