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#include <sys/types.h>
#include <netinet/in.h>
#include <stdio.h>
#include "libpacketdump.h"
#include "libtrace.h"
DLLEXPORT void decode(int link_type UNUSED, const char *packet, unsigned len)
{
libtrace_ip6_frag_t *frag = (libtrace_ip6_frag_t *)packet;
uint16_t offset;
// IPv6 Fragment Header
if (len == 0) {
printf(" IPv6 Frag: [Truncated]\n");
return;
}
printf(" IPv6 Frag: Next Header: %u\n", frag->nxt);
offset = ntohs(frag->frag_off);
printf(" IPv6 Frag: Offset: %u", offset & 0xFFF8);
if ((offset & 0x1)) printf(" MORE_FRAG");
printf("\n");
printf(" IPv6 Frag: Identification: %u\n", ntohl(frag->ident));
/* Only dump the next header if this is the first fragment */
if ((offset & 0xFFF8) != 0)
return;
decode_next(packet + sizeof(libtrace_ip6_frag_t),
len - sizeof(libtrace_ip6_frag_t), "ip", frag->nxt);
return;
}
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