Attachment 148695 Details for Bug 194577 – kernel function for printing mbuf info

kernel function for printing mbuf info

main.c (text/plain), 1.00 KB, created by Andrey V. Elsukov on 2014-10-27 09:06:01 UTC

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Creator: Andrey V. Elsukov

Created: 2014-10-27 09:06:01 UTC

Size: 1.00 KB

patch

obsolete

>#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);
>}

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Attachments on bug 194577: 148695 | 148778 | 148792