Thomas SOETE / SimpleLib

Simple mbed library with macros

Dependents:   SimpleTimer SimpleUART SimpleTimer Stoppuhr1

ip.h@21:ce11d7ff88af, 2010-11-27 (annotated)

Committer:
Alkorin
Date:
Sat Nov 27 19:08:38 2010 +0000
Revision:
21:ce11d7ff88af
Added some Ethernet/IP structures

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Alkorin 21:ce11d7ff88af 1 /*
Alkorin 21:ce11d7ff88af 2 * Copyright or © or Copr. 2010, Thomas SOETE
Alkorin 21:ce11d7ff88af 3 *
Alkorin 21:ce11d7ff88af 4 * Author e-mail: thomas@soete.org
Alkorin 21:ce11d7ff88af 5 * Library website : http://mbed.org/users/Alkorin/libraries/SimpleLib/
Alkorin 21:ce11d7ff88af 6 *
Alkorin 21:ce11d7ff88af 7 * This software is governed by the CeCILL license under French law and
Alkorin 21:ce11d7ff88af 8 * abiding by the rules of distribution of free software. You can use,
Alkorin 21:ce11d7ff88af 9 * modify and/ or redistribute the software under the terms of the CeCILL
Alkorin 21:ce11d7ff88af 10 * license as circulated by CEA, CNRS and INRIA at the following URL
Alkorin 21:ce11d7ff88af 11 * "http://www.cecill.info".
Alkorin 21:ce11d7ff88af 12 *
Alkorin 21:ce11d7ff88af 13 * As a counterpart to the access to the source code and rights to copy,
Alkorin 21:ce11d7ff88af 14 * modify and redistribute granted by the license, users are provided only
Alkorin 21:ce11d7ff88af 15 * with a limited warranty and the software's author, the holder of the
Alkorin 21:ce11d7ff88af 16 * economic rights, and the successive licensors have only limited
Alkorin 21:ce11d7ff88af 17 * liability.
Alkorin 21:ce11d7ff88af 18 *
Alkorin 21:ce11d7ff88af 19 * In this respect, the user's attention is drawn to the risks associated
Alkorin 21:ce11d7ff88af 20 * with loading, using, modifying and/or developing or reproducing the
Alkorin 21:ce11d7ff88af 21 * software by the user in light of its specific status of free software,
Alkorin 21:ce11d7ff88af 22 * that may mean that it is complicated to manipulate, and that also
Alkorin 21:ce11d7ff88af 23 * therefore means that it is reserved for developers and experienced
Alkorin 21:ce11d7ff88af 24 * professionals having in-depth computer knowledge. Users are therefore
Alkorin 21:ce11d7ff88af 25 * encouraged to load and test the software's suitability as regards their
Alkorin 21:ce11d7ff88af 26 * requirements in conditions enabling the security of their systems and/or
Alkorin 21:ce11d7ff88af 27 * data to be ensured and, more generally, to use and operate it in the
Alkorin 21:ce11d7ff88af 28 * same conditions as regards security.
Alkorin 21:ce11d7ff88af 29 *
Alkorin 21:ce11d7ff88af 30 * The fact that you are presently reading this means that you have had
Alkorin 21:ce11d7ff88af 31 * knowledge of the CeCILL license and that you accept its terms.
Alkorin 21:ce11d7ff88af 32 */
Alkorin 21:ce11d7ff88af 33
Alkorin 21:ce11d7ff88af 34 #ifndef __SIMPLELIB_IP_H__
Alkorin 21:ce11d7ff88af 35 #define __SIMPLELIB_IP_H__
Alkorin 21:ce11d7ff88af 36
Alkorin 21:ce11d7ff88af 37 #include "ip.h"
Alkorin 21:ce11d7ff88af 38
Alkorin 21:ce11d7ff88af 39 typedef __packed struct {
Alkorin 21:ce11d7ff88af 40 unsigned char version:4;
Alkorin 21:ce11d7ff88af 41 unsigned char length:4;
Alkorin 21:ce11d7ff88af 42 unsigned char services;
Alkorin 21:ce11d7ff88af 43 uint16_t total_length;
Alkorin 21:ce11d7ff88af 44 uint16_t identification;
Alkorin 21:ce11d7ff88af 45 unsigned int flags:3;
Alkorin 21:ce11d7ff88af 46 unsigned fragment_offset:13;
Alkorin 21:ce11d7ff88af 47 unsigned char ttl;
Alkorin 21:ce11d7ff88af 48 unsigned char protocol;
Alkorin 21:ce11d7ff88af 49 uint16_t header_checksum;
Alkorin 21:ce11d7ff88af 50 unsigned char source[4];
Alkorin 21:ce11d7ff88af 51 unsigned char destination[4];
Alkorin 21:ce11d7ff88af 52 } s_ip;
Alkorin 21:ce11d7ff88af 53
Alkorin 21:ce11d7ff88af 54 typedef __packed struct {
Alkorin 21:ce11d7ff88af 55 ethernet_packet eth;
Alkorin 21:ce11d7ff88af 56 s_ip ip;
Alkorin 21:ce11d7ff88af 57 } ipv4_packet;
Alkorin 21:ce11d7ff88af 58 #define asIPV4(x) ((ipv4_packet*)(x))
Alkorin 21:ce11d7ff88af 59
Alkorin 21:ce11d7ff88af 60 #define PROTO_ICMP 0x01
Alkorin 21:ce11d7ff88af 61
Alkorin 21:ce11d7ff88af 62 typedef __packed struct {
Alkorin 21:ce11d7ff88af 63 ethernet_packet eth;
Alkorin 21:ce11d7ff88af 64 s_ip ip;
Alkorin 21:ce11d7ff88af 65 __packed struct {
Alkorin 21:ce11d7ff88af 66 unsigned char type;
Alkorin 21:ce11d7ff88af 67 unsigned char code;
Alkorin 21:ce11d7ff88af 68 uint16_t checksum;
Alkorin 21:ce11d7ff88af 69 uint16_t identifier;
Alkorin 21:ce11d7ff88af 70 uint16_t sequence_number;
Alkorin 21:ce11d7ff88af 71 unsigned char data[];
Alkorin 21:ce11d7ff88af 72 } icmp;
Alkorin 21:ce11d7ff88af 73 } icmp_packet;
Alkorin 21:ce11d7ff88af 74 #define asICMP(x) ((icmp_packet*)(x))
Alkorin 21:ce11d7ff88af 75
Alkorin 21:ce11d7ff88af 76 #define ICMP_REQUEST 0x08
Alkorin 21:ce11d7ff88af 77 #define ICMP_REPLY 0x00
Alkorin 21:ce11d7ff88af 78
Alkorin 21:ce11d7ff88af 79 #endif