ip.h

mcf5307实验源代码

/*      Copyright (c) 1993 - 1996 by Accelerated Technology, Inc.    NET 3.2  */

#include "protocol.h"

#ifndef IP_H
#define IP_H

typedef struct ipb {
        DLAYER          d;
        IPLAYER         i;
        uint8           data[4104];
}FIPKT;

#define         IPF_BUFFERS     7    /* MAX # of different fragmented pkts
                                      * in transit  */

#define         IPF_CHUNKS      ((MTU/8) +1)
#define         IPF_BITWORDS    ((IPF_CHUNKS/32) +1)


typedef struct frag_buf {
        BUFFER *buf_ptr;
        uint32 bits[IPF_BITWORDS];
        int16 lastchunk;
        uint32 lasttime;
        uint16 iplen;
        uint16 id;
}FPBUF;

extern FPBUF   frag[IPF_BUFFERS];

#endif