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.

IPv4.h

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

File content as of revision 7:8e12f7357b9f:

/*
 * $Id: IPv4.h 27 2011-06-09 12:55:57Z benoit $
 * $Author: benoit $
 * $Date: 2011-06-09 14:55:57 +0200 (jeu., 09 juin 2011) $
 * $Rev: 27 $
 * 
 * 
 * 
 * 
 * 
 */
 
#ifndef __IPV4_H__
#define __IPV4_H__

#include "NetIF.h"


#define    IPV4_PROTO_ICMPV4        1
#define    IPV4_PROTO_TCPV4        6
#define    IPV4_PROTO_UDPV4        17


#define    IPV4_VERSION            4
#define    IPV4_FLAG_DF            0x02
#define    IPV4_FLAG_MF            0x04

typedef uint16_t                IPv4_Proto_t;


#pragma push
#pragma pack(1)
struct IPv4_Header
{
    uint8_t        ihl                :4;
    uint8_t        version            :4;
    uint8_t        tos;
    uint16_t    totalLength;
    uint16_t    id;
    uint16_t    fragmentFlags;
    uint8_t        ttl;
    uint8_t        protocol;
    uint16_t    crc;
    IPv4_Addr_t    source,
                dest;
};
#pragma pop
typedef struct IPv4_Header IPv4_Header_t;


extern Protocol_Handler_t ipv4;


void        IPv4_DumpIPv4Header(const char *prefix, IPv4_Header_t *ipv4Packet);
uint16_t    IPv4_ComputeCRC(IPv4_Header_t *ipv4Header);


#endif /* __IPV4_H__ */