sys/netinet/ip_icmp.c

222 	register struct icmp *icp;
310 	icp = mtod(m, struct icmp *);
312 	icp->icmp_type = type;
314 		icp->icmp_gwaddr.s_addr = dest;
316 		icp->icmp_void = 0;
322 			icp->icmp_pptr = code;
326 			icp->icmp_nextmtu = htons(mtu);
329 	icp->icmp_code = code;
335 	m_copydata(n, 0, icmplen, (caddr_t)&icp->icmp_ip);
336 	nip = &icp->icmp_ip;
375 	struct icmp *icp;
409 	icp = mtod(m, struct icmp *);
421 		switch (icp->icmp_type) {
432 		printf("icmp_input, type %d code %d\n", icp->icmp_type,
433 		    icp->icmp_code);
439 	if (icp->icmp_type > ICMP_MAXTYPE)
453 	ICMPSTAT_INC(icps_inhist[icp->icmp_type]);
454 	code = icp->icmp_code;
455 	switch (icp->icmp_type) {
516 		if (icmplen < ICMP_ADVLENMIN || icmplen < ICMP_ADVLEN(icp) ||
517 		    icp->icmp_ip.ip_hl < (sizeof(struct ip) >> 2)) {
522 		if (IN_MULTICAST(ntohl(icp->icmp_ip.ip_dst.s_addr)))
526 			printf("deliver to protocol %d\n", icp->icmp_ip.ip_p);
528 		icmpsrc.sin_addr = icp->icmp_ip.ip_dst;
533 		ctlfunc = inetsw[ip_protox[icp->icmp_ip.ip_p]].pr_ctlinput;
536 				   (void *)&icp->icmp_ip);
549 		icp->icmp_type = ICMP_ECHOREPLY;
567 		icp->icmp_type = ICMP_TSTAMPREPLY;
568 		icp->icmp_rtime = iptime();
569 		icp->icmp_ttime = icp->icmp_rtime;	/* bogus, do later! */
602 		icp->icmp_type = ICMP_MASKREPLY;
604 			icp->icmp_mask = ia->ia_sockmask.sin_addr.s_addr;
606 			icp->icmp_mask = V_icmpmaskfake;
616 		ICMPSTAT_INC(icps_outhist[icp->icmp_type]);
625 			dst = ntohl(icp->icmp_ip.ip_dst.s_addr);
626 			gw = ntohl(icp->icmp_gwaddr.s_addr);
644 		if (icmplen < ICMP_ADVLENMIN || icmplen < ICMP_ADVLEN(icp) ||
645 		    icp->icmp_ip.ip_hl < (sizeof(struct ip) >> 2)) {
657 		icmpdst.sin_addr = icp->icmp_gwaddr;
661 			strcpy(buf, inet_ntoa(icp->icmp_ip.ip_dst));
664 			       buf, inet_ntoa(icp->icmp_gwaddr));
667 		icmpsrc.sin_addr = icp->icmp_ip.ip_dst;
896 	register struct icmp *icp;
901 	icp = mtod(m, struct icmp *);
902 	icp->icmp_cksum = 0;
903 	icp->icmp_cksum = in_cksum(m, ntohs(ip->ip_len) - hlen);