#define _KERNEL
#include <sys/param.h>
#include <sys/mbuf.h>
#include <sys/systm.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/ip.h>
#include <netinet/ip6.h>


static void
print_mbuf(const struct mbuf *m)
{
	struct ip6_hdr *ip6;
	struct ip *ip;
	char bufa[50], bufb[50];

	printf("mbuf %p: len %u, flags %b\n", m, m->m_len,
	    m->m_flags, M_FLAG_PRINTF);
	if (m->m_len < sizeof(struct ip))
		return;
	ip = mtod(m, struct ip *);
	printf("mbuf %p: ip_v %u ", m, ip->ip_v);
	switch (ip->ip_v) {
	case IPVERSION:
		printf("%s->%s %u\n",
		    inet_ntop(AF_INET, &ip->ip_src, bufa, sizeof(ip->ip_src)),
		    inet_ntop(AF_INET, &ip->ip_dst, bufb, sizeof(ip->ip_dst)),
		    ip->ip_p);
		break;
	case IPV6_VERSION >> 4:
		ip6 = mtod(m, struct ip6_hdr *);
		printf("%s->%s %u\n",
		    inet_ntop(AF_INET6, &ip6->ip6_src, bufa,
		    sizeof(ip6->ip6_src)),
		    inet_ntop(AF_INET6, &ip6->ip6_dst, bufb,
			sizeof(ip6->ip6_dst)), ip6->ip6_nxt);
		break;
	}
}

int
main(int argc, char**argv)
{


	return (0);
}