sys/netinet/ip_icmp.c

198 	struct icmp *icp;
330 	icp = mtod(m, struct icmp *);
332 	icp->icmp_type = type;
334 		icp->icmp_gwaddr.s_addr = dest;
336 		icp->icmp_void = 0;
342 			icp->icmp_pptr = code;
346 			icp->icmp_nextmtu = htons(mtu);
349 	icp->icmp_code = code;
355 	m_copydata(n, 0, icmplen, (caddr_t)&icp->icmp_ip);
356 	nip = &icp->icmp_ip;
395 	struct icmp *icp;
436 	icp = mtod(m, struct icmp *);
446 		printf("icmp_input, type %d code %d\n", icp->icmp_type,
447 		    icp->icmp_code);
453 	if (icp->icmp_type > ICMP_MAXTYPE)
467 	ICMPSTAT_INC(icps_inhist[icp->icmp_type]);
468 	code = icp->icmp_code;
469 	switch (icp->icmp_type) {
526 		if (icmplen < ICMP_ADVLENMIN || icmplen < ICMP_ADVLEN(icp) ||
527 		    icp->icmp_ip.ip_hl < (sizeof(struct ip) >> 2)) {
532 		if (IN_MULTICAST(ntohl(icp->icmp_ip.ip_dst.s_addr)))
536 			printf("deliver to protocol %d\n", icp->icmp_ip.ip_p);
538 		icmpsrc.sin_addr = icp->icmp_ip.ip_dst;
543 		i = sizeof(struct ip) + min(icmplen, ICMP_ADVLENPREF(icp));
552 		icp = (struct icmp *)(ip + 1);
561 		ctlfunc = inetsw[ip_protox[icp->icmp_ip.ip_p]].pr_ctlinput;
564 				   (void *)&icp->icmp_ip);
579 		icp->icmp_type = ICMP_ECHOREPLY;
596 		icp->icmp_type = ICMP_TSTAMPREPLY;
597 		icp->icmp_rtime = iptime();
598 		icp->icmp_ttime = icp->icmp_rtime;	/* bogus, do later! */
626 		icp->icmp_type = ICMP_MASKREPLY;
628 			icp->icmp_mask = ia->ia_sockmask.sin_addr.s_addr;
630 			icp->icmp_mask = V_icmpmaskfake;
639 		ICMPSTAT_INC(icps_outhist[icp->icmp_type]);
649 			dst = ntohl(icp->icmp_ip.ip_dst.s_addr);
650 			gw = ntohl(icp->icmp_gwaddr.s_addr);
668 		if (icmplen < ICMP_ADVLENMIN || icmplen < ICMP_ADVLEN(icp) ||
669 		    icp->icmp_ip.ip_hl < (sizeof(struct ip) >> 2)) {
681 		icmpdst.sin_addr = icp->icmp_gwaddr;
688 			       inet_ntoa_r(icp->icmp_ip.ip_dst, dstbuf),
689 			       inet_ntoa_r(icp->icmp_gwaddr, gwbuf));
692 		icmpsrc.sin_addr = icp->icmp_ip.ip_dst;
926 	struct icmp *icp;
931 	icp = mtod(m, struct icmp *);
932 	icp->icmp_cksum = 0;
933 	icp->icmp_cksum = in_cksum(m, ntohs(ip->ip_len) - hlen);