Benoît Locher / mbedNet

Rewrite from scratch a TCP/IP stack for mbed. So far the following parts are usable: Drivers: - EMAC driver (from CMSIS 2.0) Protocols: - Ethernet protocol - ARP over ethernet for IPv4 - IPv4 over Ethernet - ICMPv4 over IPv4 - UDPv4 over IPv4 APIs: - Sockets for UDPv4 The structure of this stack is designed to be very modular. Each protocol can register one or more protocol to handle its payload, and in each protocol, an API can be hooked (like Sockets for example). This is an early release.

ICMPv4.h

Committer:
Benoit
Date:
2011-06-26
Revision:
7:8e12f7357b9f
Parent:
1:f4040665bc61

File content as of revision 7:8e12f7357b9f:

/*
 * $Id: ICMPv4.h 23 2011-06-06 06:03:23Z benoit $
 * $Author: benoit $
 * $Date: 2011-06-06 08:03:23 +0200 (lun., 06 juin 2011) $
 * $Rev: 23 $
 * 
 * 
 * 
 * 
 * 
 */
 
#ifndef __ICMPV4_H__
#define    __ICMPV4_H__


#include "NetIF.h"
#include "IPv4.h"


#define    ICMPV4_TYPE_ECHO_REPLY        0
#define    ICMPV4_TYPE_ECHO_REQUEST    8


typedef uint8_t        ICMPv4_Type_t;
typedef uint8_t        ICMPv4_Code_t;


#pragma push
#pragma pack(1)
struct ICMPv4_Header
{
    uint8_t        type;
    uint8_t        code;
    uint16_t    crc;
    union 
    {
        uint32_t    restOfHeader;
        struct
        {
            uint16_t    id,
                        sequence;
        } ping;
    } rest;
};
#pragma pop
typedef struct ICMPv4_Header ICMPv4_Header_t;


extern Protocol_Handler_t    icmpv4;


uint16_t	ICMPv4_ComputeCRC(ICMPv4_Header_t *packet, int32_t length);
Bool_t		ICMPv4_CheckCRC(ICMPv4_Header_t *packet, int32_t length);
void		ICMPv4_DumpHeader(const char *prefix, IPv4_Header_t *ipv4Header);

#endif /* __ICMPV4_H__ */